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0xd05EDf0bc5C2C960A7EB5485c8f965c151DF2B00
 

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Contract Source Code Verified (Exact Match)

Contract Name:
PufferProtocol

Compiler Version
v0.8.24+commit.e11b9ed9

Optimization Enabled:
Yes with 200 runs

Other Settings:
cancun EvmVersion
File 1 of 111 : PufferProtocol.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferProtocol } from "puffer/interface/IPufferProtocol.sol";
import { AccessManagedUpgradeable } from "openzeppelin-upgradeable/access/manager/AccessManagedUpgradeable.sol";
import { UUPSUpgradeable } from "openzeppelin-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import { PufferProtocolStorage } from "puffer/PufferProtocolStorage.sol";
import { IPufferModuleManager } from "puffer/interface/IPufferModuleManager.sol";
import { IPufferOracleV2 } from "puffer/interface/IPufferOracleV2.sol";
import { IGuardianModule } from "puffer/interface/IGuardianModule.sol";
import { IBeaconDepositContract } from "puffer/interface/IBeaconDepositContract.sol";
import { IPufferModule } from "puffer/interface/IPufferModule.sol";
import { ValidatorKeyData } from "puffer/struct/ValidatorKeyData.sol";
import { Validator } from "puffer/struct/Validator.sol";
import { Permit } from "pufETH/structs/Permit.sol";
import { Status } from "puffer/struct/Status.sol";
import { ProtocolStorage, NodeInfo, ModuleLimit } from "puffer/struct/ProtocolStorage.sol";
import { LibBeaconchainContract } from "puffer/LibBeaconchainContract.sol";
import { IERC20Permit } from "openzeppelin/token/ERC20/extensions/IERC20Permit.sol";
import { SafeCast } from "openzeppelin/utils/math/SafeCast.sol";
import { PufferVaultV2 } from "pufETH/PufferVaultV2.sol";
import { ValidatorTicket } from "puffer/ValidatorTicket.sol";
import { InvalidAddress } from "puffer/Errors.sol";
import { StoppedValidatorInfo } from "puffer/struct/StoppedValidatorInfo.sol";

/**
 * @title PufferProtocol
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 * @dev Upgradeable smart contract for the Puffer Protocol
 * Storage variables are located in PufferProtocolStorage.sol
 */
contract PufferProtocol is IPufferProtocol, AccessManagedUpgradeable, UUPSUpgradeable, PufferProtocolStorage {
    /**
     * @dev Helper struct for the full withdrawals accounting
     * The amounts of VT and pufETH to burn at the end of the withdrawal
     */
    struct BurnAmounts {
        uint256 vt;
        uint256 pufETH;
    }

    /**
     * @dev Helper struct for the full withdrawals accounting
     * The amounts of pufETH to send to the node operator
     */
    struct Withdrawals {
        uint256 pufETHAmount;
        address node;
    }

    /**
     * @dev BLS public keys are 48 bytes long
     */
    uint256 internal constant _BLS_PUB_KEY_LENGTH = 48;

    /**
     * @dev ETH Amount required to be deposited as a bond if the node operator uses SGX
     */
    uint256 internal constant _ENCLAVE_VALIDATOR_BOND = 1 ether;

    /**
     * @dev ETH Amount required to be deposited as a bond if the node operator doesn't use SGX
     */
    uint256 internal constant _NO_ENCLAVE_VALIDATOR_BOND = 2 ether;

    /**
     * @dev Default "PUFFER_MODULE_0" module
     */
    bytes32 internal constant _PUFFER_MODULE_0 = bytes32("PUFFER_MODULE_0");

    /**
     * @inheritdoc IPufferProtocol
     */
    IGuardianModule public immutable override GUARDIAN_MODULE;

    /**
     * @inheritdoc IPufferProtocol
     */
    ValidatorTicket public immutable override VALIDATOR_TICKET;

    /**
     * @inheritdoc IPufferProtocol
     */
    PufferVaultV2 public immutable override PUFFER_VAULT;

    /**
     * @inheritdoc IPufferProtocol
     */
    IPufferModuleManager public immutable override PUFFER_MODULE_MANAGER;

    /**
     * @inheritdoc IPufferProtocol
     */
    IPufferOracleV2 public immutable override PUFFER_ORACLE;

    /**
     * @inheritdoc IPufferProtocol
     */
    IBeaconDepositContract public immutable override BEACON_DEPOSIT_CONTRACT;

    constructor(
        PufferVaultV2 pufferVault,
        IGuardianModule guardianModule,
        address moduleManager,
        ValidatorTicket validatorTicket,
        IPufferOracleV2 oracle,
        address beaconDepositContract
    ) {
        GUARDIAN_MODULE = guardianModule;
        PUFFER_VAULT = PufferVaultV2(payable(address(pufferVault)));
        PUFFER_MODULE_MANAGER = IPufferModuleManager(moduleManager);
        VALIDATOR_TICKET = validatorTicket;
        PUFFER_ORACLE = oracle;
        BEACON_DEPOSIT_CONTRACT = IBeaconDepositContract(beaconDepositContract);
        _disableInitializers();
    }

    /**
     * @notice Initializes the contract
     */
    function initialize(address accessManager) external initializer {
        if (address(accessManager) == address(0)) {
            revert InvalidAddress();
        }
        __AccessManaged_init(accessManager);
        _createPufferModule(_PUFFER_MODULE_0);
        _changeMinimumVTAmount(28 ether); // 28 Validator Tickets
        _setVTPenalty(10 ether); // 10 Validator Tickets
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function depositValidatorTickets(Permit calldata permit, address node) external restricted {
        if (node == address(0)) {
            revert InvalidAddress();
        }
        // owner: msg.sender is intentional
        // We only want the owner of the Permit signature to be able to deposit using the signature
        // For an invalid signature, the permit will revert, but it is wrapped in try/catch, meaning the transaction execution
        // will continue. If the `msg.sender` did a `VALIDATOR_TICKET.approve(spender, amount)` before calling this
        // And the spender is `msg.sender` the Permit call will revert, but the overall transaction will succeed
        _callPermit(address(VALIDATOR_TICKET), permit);

        // slither-disable-next-line unchecked-transfer
        VALIDATOR_TICKET.transferFrom(msg.sender, address(this), permit.amount);

        ProtocolStorage storage $ = _getPufferProtocolStorage();
        $.nodeOperatorInfo[node].vtBalance += SafeCast.toUint96(permit.amount);
        emit ValidatorTicketsDeposited(node, msg.sender, permit.amount);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function withdrawValidatorTickets(uint96 amount, address recipient) external restricted {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        // Node operator can only withdraw if they have no active or pending validators
        // In the future, we plan to allow node operators to withdraw VTs even if they have active/pending validators.
        if (
            $.nodeOperatorInfo[msg.sender].activeValidatorCount + $.nodeOperatorInfo[msg.sender].pendingValidatorCount
                != 0
        ) {
            revert ActiveOrPendingValidatorsExist();
        }

        // Reverts if insufficient balance
        $.nodeOperatorInfo[msg.sender].vtBalance -= amount;

        // slither-disable-next-line unchecked-transfer
        VALIDATOR_TICKET.transfer(recipient, amount);

        emit ValidatorTicketsWithdrawn(msg.sender, recipient, amount);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function registerValidatorKey(
        ValidatorKeyData calldata data,
        bytes32 moduleName,
        Permit calldata pufETHPermit,
        Permit calldata vtPermit
    ) external payable restricted {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        // Revert if the permit amounts are non zero, but the msg.value is also non zero
        if (vtPermit.amount != 0 && pufETHPermit.amount != 0 && msg.value > 0) {
            revert InvalidETHAmount();
        }

        _checkValidatorRegistrationInputs({ $: $, data: data, moduleName: moduleName });

        uint256 validatorBondInETH = data.raveEvidence.length > 0 ? _ENCLAVE_VALIDATOR_BOND : _NO_ENCLAVE_VALIDATOR_BOND;

        // If the node operator is paying for the bond in ETH and wants to transfer VT from their wallet, the ETH amount they send must be equal the bond amount
        if (vtPermit.amount != 0 && pufETHPermit.amount == 0 && msg.value != validatorBondInETH) {
            revert InvalidETHAmount();
        }

        uint256 vtPayment = pufETHPermit.amount == 0 ? msg.value - validatorBondInETH : msg.value;

        uint256 receivedVtAmount;
        // If the VT permit amount is zero, that means that the user is paying for VT with ETH
        if (vtPermit.amount == 0) {
            receivedVtAmount = VALIDATOR_TICKET.purchaseValidatorTicket{ value: vtPayment }(address(this));
        } else {
            _callPermit(address(VALIDATOR_TICKET), vtPermit);
            receivedVtAmount = vtPermit.amount;

            // slither-disable-next-line unchecked-transfer
            VALIDATOR_TICKET.transferFrom(msg.sender, address(this), receivedVtAmount);
        }

        if (receivedVtAmount < $.minimumVtAmount) {
            revert InvalidVTAmount();
        }

        uint256 bondAmount;

        // If the pufETH permit amount is zero, that means that the user is paying the bond with ETH
        if (pufETHPermit.amount == 0) {
            // Mint pufETH by depositing ETH and store the bond amount
            bondAmount = PUFFER_VAULT.depositETH{ value: validatorBondInETH }(address(this));
        } else {
            // Calculate the pufETH amount that we need to transfer from the user
            bondAmount = PUFFER_VAULT.convertToShares(validatorBondInETH);
            _callPermit(address(PUFFER_VAULT), pufETHPermit);

            // slither-disable-next-line unchecked-transfer
            PUFFER_VAULT.transferFrom(msg.sender, address(this), bondAmount);
        }

        _storeValidatorInformation({
            $: $,
            data: data,
            pufETHAmount: bondAmount,
            moduleName: moduleName,
            vtAmount: receivedVtAmount
        });
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to Puffer Paymaster
     */
    function provisionNode(
        bytes[] calldata guardianEnclaveSignatures,
        bytes calldata validatorSignature,
        bytes32 depositRootHash
    ) external restricted {
        if (depositRootHash != BEACON_DEPOSIT_CONTRACT.get_deposit_root()) {
            revert InvalidDepositRootHash();
        }

        ProtocolStorage storage $ = _getPufferProtocolStorage();

        (bytes32 moduleName, uint256 index) = getNextValidatorToProvision();

        // Increment next validator to be provisioned index, panics if there is no validator for provisioning
        $.nextToBeProvisioned[moduleName] = index + 1;
        unchecked {
            // Increment module selection index
            ++$.moduleSelectIndex;
        }

        _validateSignaturesAndProvisionValidator({
            $: $,
            moduleName: moduleName,
            index: index,
            guardianEnclaveSignatures: guardianEnclaveSignatures,
            validatorSignature: validatorSignature
        });

        // Update Node Operator info
        address node = $.validators[moduleName][index].node;
        --$.nodeOperatorInfo[node].pendingValidatorCount;
        ++$.nodeOperatorInfo[node].activeValidatorCount;

        // Mark the validator as active
        $.validators[moduleName][index].status = Status.ACTIVE;
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to Puffer Paymaster
     */
    function batchHandleWithdrawals(
        StoppedValidatorInfo[] calldata validatorInfos,
        bytes[] calldata guardianEOASignatures
    ) external restricted {
        GUARDIAN_MODULE.validateBatchWithdrawals(validatorInfos, guardianEOASignatures);

        ProtocolStorage storage $ = _getPufferProtocolStorage();

        BurnAmounts memory burnAmounts;
        Withdrawals[] memory bondWithdrawals = new Withdrawals[](validatorInfos.length);

        // We MUST NOT do the burning/oracle update/transferring ETH from the PufferModule -> PufferVault
        // because it affects pufETH exchange rate

        // First, we do the calculations
        // slither-disable-start calls-loop
        for (uint256 i = 0; i < validatorInfos.length; ++i) {
            Validator storage validator =
                $.validators[validatorInfos[i].moduleName][validatorInfos[i].pufferModuleIndex];

            if (validator.status != Status.ACTIVE) {
                revert InvalidValidatorState(validator.status);
            }

            // Save the Node address for the bond transfer
            bondWithdrawals[i].node = validator.node;

            uint96 bondAmount = validator.bond;
            // Get the burnAmount for the withdrawal at the current exchange rate
            uint256 burnAmount =
                _getBondBurnAmount({ validatorInfo: validatorInfos[i], validatorBondAmount: bondAmount });
            uint256 vtBurnAmount = _getVTBurnAmount($, bondWithdrawals[i].node, validatorInfos[i]);

            // Update the burnAmounts
            burnAmounts.pufETH += burnAmount;
            burnAmounts.vt += vtBurnAmount;

            // Store the withdrawal amount for that node operator
            bondWithdrawals[i].pufETHAmount = (bondAmount - burnAmount);

            emit ValidatorExited({
                pubKey: validator.pubKey,
                pufferModuleIndex: validatorInfos[i].pufferModuleIndex,
                moduleName: validatorInfos[i].moduleName,
                pufETHBurnAmount: burnAmount,
                vtBurnAmount: vtBurnAmount
            });

            // Decrease the number of registered validators for that module
            _decreaseNumberOfRegisteredValidators($, validatorInfos[i].moduleName);
            // Storage VT and the active validator count update for the Node Operator
            $.nodeOperatorInfo[validator.node].vtBalance -= SafeCast.toUint96(vtBurnAmount);
            --$.nodeOperatorInfo[validator.node].activeValidatorCount;

            delete validator.node;
            delete validator.bond;
            delete validator.module;
            delete validator.status;
            delete validator.pubKey;
        }

        VALIDATOR_TICKET.burn(burnAmounts.vt);
        // Because we've calculated everything in the previous loop, we can do the burning
        PUFFER_VAULT.burn(burnAmounts.pufETH);
        // Deduct 32 ETH from the `lockedETHAmount` on the PufferOracle
        PUFFER_ORACLE.exitValidators(validatorInfos.length);

        // In this loop, we transfer back the bonds, and do the accounting that affects the exchange rate
        for (uint256 i = 0; i < validatorInfos.length; ++i) {
            // If the withdrawal amount is bigger than 32 ETH, we cap it to 32 ETH
            // The excess is the rewards amount for that Node Operator
            uint256 transferAmount =
                validatorInfos[i].withdrawalAmount > 32 ether ? 32 ether : validatorInfos[i].withdrawalAmount;
            (bool success,) = IPufferModule(validatorInfos[i].module).call(address(PUFFER_VAULT), transferAmount, "");
            if (!success) {
                revert Failed();
            }

            // Skip the empty transfer (validator got slashed)
            if (bondWithdrawals[i].pufETHAmount == 0) {
                continue;
            }
            // slither-disable-next-line unchecked-transfer
            PUFFER_VAULT.transfer(bondWithdrawals[i].node, bondWithdrawals[i].pufETHAmount);
        }
        // slither-disable-start calls-loop
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to Puffer Paymaster
     */
    function skipProvisioning(bytes32 moduleName, bytes[] calldata guardianEOASignatures) external restricted {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        uint256 skippedIndex = $.nextToBeProvisioned[moduleName];

        address node = $.validators[moduleName][skippedIndex].node;

        // Check the signatures (reverts if invalid)
        GUARDIAN_MODULE.validateSkipProvisioning({
            moduleName: moduleName,
            skippedIndex: skippedIndex,
            guardianEOASignatures: guardianEOASignatures
        });

        uint256 vtPenalty = $.vtPenalty;
        // Burn VT penalty amount from the Node Operator
        VALIDATOR_TICKET.burn(vtPenalty);
        $.nodeOperatorInfo[node].vtBalance -= SafeCast.toUint96(vtPenalty);
        --$.nodeOperatorInfo[node].pendingValidatorCount;

        // Change the status of that validator
        $.validators[moduleName][skippedIndex].status = Status.SKIPPED;

        // Transfer pufETH to that node operator
        // slither-disable-next-line unchecked-transfer
        PUFFER_VAULT.transfer(node, $.validators[moduleName][skippedIndex].bond);

        _decreaseNumberOfRegisteredValidators($, moduleName);
        unchecked {
            ++$.nextToBeProvisioned[moduleName];
        }
        emit ValidatorSkipped($.validators[moduleName][skippedIndex].pubKey, skippedIndex, moduleName);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to the DAO
     */
    function changeMinimumVTAmount(uint256 newMinimumVTAmount) external restricted {
        _changeMinimumVTAmount(newMinimumVTAmount);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Initially it is restricted to the DAO
     */
    function createPufferModule(bytes32 moduleName) external restricted returns (address) {
        return _createPufferModule(moduleName);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to the DAO
     */
    function setModuleWeights(bytes32[] calldata newModuleWeights) external restricted {
        _setModuleWeights(newModuleWeights);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to the DAO
     */
    function setValidatorLimitPerModule(bytes32 moduleName, uint128 limit) external restricted {
        _setValidatorLimitPerModule(moduleName, limit);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev Restricted to the DAO
     */
    function setVTPenalty(uint256 newPenaltyAmount) external restricted {
        _setVTPenalty(newPenaltyAmount);
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getVTPenalty() external view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.vtPenalty;
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getDepositDataRoot(bytes calldata pubKey, bytes calldata signature, bytes calldata withdrawalCredentials)
        external
        pure
        returns (bytes32)
    {
        return LibBeaconchainContract.getDepositDataRoot(pubKey, signature, withdrawalCredentials);
    }

    /**
     * @inheritdoc IPufferProtocol
     * @dev This is meant for OFF-CHAIN use, as it can be very expensive to call
     */
    function getValidators(bytes32 moduleName) external view returns (Validator[] memory) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        uint256 numOfValidators = $.pendingValidatorIndices[moduleName];

        Validator[] memory validators = new Validator[](numOfValidators);

        for (uint256 i = 0; i < numOfValidators; ++i) {
            validators[i] = $.validators[moduleName][i];
        }

        return validators;
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getNextValidatorToProvision() public view returns (bytes32, uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        uint256 moduleSelectionIndex = $.moduleSelectIndex;
        uint256 moduleWeightsLength = $.moduleWeights.length;
        // Do Weights number of rounds
        uint256 moduleEndIndex = moduleSelectionIndex + moduleWeightsLength;

        // Read from the storage
        bytes32 moduleName = $.moduleWeights[moduleSelectionIndex % moduleWeightsLength];

        // Iterate through all modules to see if there is a validator ready to be provisioned
        while (moduleSelectionIndex < moduleEndIndex) {
            // Read the index for that moduleName
            uint256 pufferModuleIndex = $.nextToBeProvisioned[moduleName];

            // If we find it, return it
            if ($.validators[moduleName][pufferModuleIndex].status == Status.PENDING) {
                return (moduleName, pufferModuleIndex);
            }
            unchecked {
                // If not, try the next module
                ++moduleSelectionIndex;
            }
            moduleName = $.moduleWeights[moduleSelectionIndex % moduleWeightsLength];
        }

        // No validators found
        return (bytes32("NO_VALIDATORS"), type(uint256).max);
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getNextValidatorToBeProvisionedIndex(bytes32 moduleName) external view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.nextToBeProvisioned[moduleName];
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getPendingValidatorIndex(bytes32 moduleName) external view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.pendingValidatorIndices[moduleName];
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getValidatorInfo(bytes32 moduleName, uint256 pufferModuleIndex) external view returns (Validator memory) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.validators[moduleName][pufferModuleIndex];
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getNodeInfo(address node) external view returns (NodeInfo memory) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.nodeOperatorInfo[node];
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getModuleAddress(bytes32 moduleName) external view returns (address) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return address($.modules[moduleName]);
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getWithdrawalCredentials(address module) public view returns (bytes memory) {
        return IPufferModule(module).getWithdrawalCredentials();
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getModuleWeights() external view returns (bytes32[] memory) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.moduleWeights;
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getModuleSelectIndex() external view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.moduleSelectIndex;
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getValidatorTicketsBalance(address owner) public view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        return $.nodeOperatorInfo[owner].vtBalance;
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getMinimumVtAmount() public view returns (uint256) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.minimumVtAmount;
    }

    /**
     * @notice Returns necessary information to make Guardian's life easier
     */
    function getPayload(bytes32 moduleName, bool usingEnclave)
        external
        view
        returns (bytes[] memory, bytes memory, uint256, uint256)
    {
        ProtocolStorage storage $ = _getPufferProtocolStorage();

        bytes[] memory pubKeys = GUARDIAN_MODULE.getGuardiansEnclavePubkeys();
        bytes memory withdrawalCredentials = getWithdrawalCredentials(address($.modules[moduleName]));
        uint256 threshold = GUARDIAN_MODULE.getThreshold();
        uint256 validatorBond = usingEnclave ? _ENCLAVE_VALIDATOR_BOND : _NO_ENCLAVE_VALIDATOR_BOND;
        uint256 ethAmount = validatorBond + ($.minimumVtAmount * PUFFER_ORACLE.getValidatorTicketPrice()) / 1 ether;

        return (pubKeys, withdrawalCredentials, threshold, ethAmount);
    }

    /**
     * @inheritdoc IPufferProtocol
     */
    function getModuleLimitInformation(bytes32 moduleName) external view returns (ModuleLimit memory info) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        return $.moduleLimits[moduleName];
    }

    /**
     * @notice Called by the PufferModules to check if the system is paused
     * @dev `restricted` will revert if the system is paused
     */
    function revertIfPaused() external restricted { }

    function _storeValidatorInformation(
        ProtocolStorage storage $,
        ValidatorKeyData calldata data,
        uint256 pufETHAmount,
        bytes32 moduleName,
        uint256 vtAmount
    ) internal {
        uint256 pufferModuleIndex = $.pendingValidatorIndices[moduleName];

        // No need for SafeCast
        $.validators[moduleName][pufferModuleIndex] = Validator({
            pubKey: data.blsPubKey,
            status: Status.PENDING,
            module: address($.modules[moduleName]),
            bond: uint96(pufETHAmount),
            node: msg.sender
        });

        $.nodeOperatorInfo[msg.sender].vtBalance += SafeCast.toUint96(vtAmount);

        // Increment indices for this module and number of validators registered
        unchecked {
            ++$.nodeOperatorInfo[msg.sender].pendingValidatorCount;
            ++$.pendingValidatorIndices[moduleName];
            ++$.moduleLimits[moduleName].numberOfRegisteredValidators;
        }
        emit NumberOfRegisteredValidatorsChanged(moduleName, $.moduleLimits[moduleName].numberOfRegisteredValidators);
        emit ValidatorKeyRegistered(data.blsPubKey, pufferModuleIndex, moduleName, (data.raveEvidence.length > 0));
    }

    function _setValidatorLimitPerModule(bytes32 moduleName, uint128 limit) internal {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        if (limit < $.moduleLimits[moduleName].numberOfRegisteredValidators) {
            revert ValidatorLimitForModuleReached();
        }
        emit ValidatorLimitPerModuleChanged($.moduleLimits[moduleName].allowedLimit, limit);
        $.moduleLimits[moduleName].allowedLimit = limit;
    }

    function _setVTPenalty(uint256 newPenaltyAmount) internal {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        if (newPenaltyAmount > $.minimumVtAmount) {
            revert InvalidVTAmount();
        }
        emit VTPenaltyChanged($.vtPenalty, newPenaltyAmount);
        $.vtPenalty = newPenaltyAmount;
    }

    function _setModuleWeights(bytes32[] memory newModuleWeights) internal {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        emit ModuleWeightsChanged($.moduleWeights, newModuleWeights);
        $.moduleWeights = newModuleWeights;
    }

    function _createPufferModule(bytes32 moduleName) internal returns (address) {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        if (address($.modules[moduleName]) != address(0)) {
            revert ModuleAlreadyExists();
        }
        IPufferModule module = PUFFER_MODULE_MANAGER.createNewPufferModule(moduleName);
        $.modules[moduleName] = module;
        $.moduleWeights.push(moduleName);
        bytes32 withdrawalCredentials = bytes32(module.getWithdrawalCredentials());
        emit NewPufferModuleCreated(address(module), moduleName, withdrawalCredentials);
        _setValidatorLimitPerModule(moduleName, 500);
        return address(module);
    }

    function _checkValidatorRegistrationInputs(
        ProtocolStorage storage $,
        ValidatorKeyData calldata data,
        bytes32 moduleName
    ) internal view {
        // This acts as a validation if the module is existent
        // +1 is to validate the current transaction registration
        if (($.moduleLimits[moduleName].numberOfRegisteredValidators + 1) > $.moduleLimits[moduleName].allowedLimit) {
            revert ValidatorLimitForModuleReached();
        }

        if (data.blsPubKey.length != _BLS_PUB_KEY_LENGTH) {
            revert InvalidBLSPubKey();
        }

        // Every guardian needs to receive a share
        if (data.blsEncryptedPrivKeyShares.length != GUARDIAN_MODULE.getGuardians().length) {
            revert InvalidBLSPrivateKeyShares();
        }

        // blsPubKeySet is for a subset of guardians and because of that we use .getThreshold()
        if (data.blsPubKeySet.length != (GUARDIAN_MODULE.getThreshold() * _BLS_PUB_KEY_LENGTH)) {
            revert InvalidBLSPublicKeySet();
        }
    }

    function _changeMinimumVTAmount(uint256 newMinimumVtAmount) internal {
        ProtocolStorage storage $ = _getPufferProtocolStorage();
        if (newMinimumVtAmount < $.vtPenalty) {
            revert InvalidVTAmount();
        }
        emit MinimumVTAmountChanged($.minimumVtAmount, newMinimumVtAmount);
        $.minimumVtAmount = newMinimumVtAmount;
    }

    function _getBondBurnAmount(StoppedValidatorInfo calldata validatorInfo, uint256 validatorBondAmount)
        internal
        view
        returns (uint256 pufETHBurnAmount)
    {
        // Case 1:
        // The Validator was slashed, we burn the whole bond for that validator
        if (validatorInfo.wasSlashed) {
            return validatorBondAmount;
        }

        // Case 2:
        // The withdrawal amount is less than 32 ETH, we burn the difference to cover up the loss for inactivity
        if (validatorInfo.withdrawalAmount < 32 ether) {
            pufETHBurnAmount = PUFFER_VAULT.convertToSharesUp(32 ether - validatorInfo.withdrawalAmount);
        }
        // Case 3:
        // Withdrawal amount was >= 32 ether, we don't burn anything
        return pufETHBurnAmount;
    }

    function _validateSignaturesAndProvisionValidator(
        ProtocolStorage storage $,
        bytes32 moduleName,
        uint256 index,
        bytes[] calldata guardianEnclaveSignatures,
        bytes calldata validatorSignature
    ) internal {
        bytes memory validatorPubKey = $.validators[moduleName][index].pubKey;

        bytes memory withdrawalCredentials = getWithdrawalCredentials($.validators[moduleName][index].module);

        bytes32 depositDataRoot =
            LibBeaconchainContract.getDepositDataRoot(validatorPubKey, validatorSignature, withdrawalCredentials);

        // Check the signatures (reverts if invalid)
        GUARDIAN_MODULE.validateProvisionNode({
            pufferModuleIndex: index,
            pubKey: validatorPubKey,
            signature: validatorSignature,
            depositDataRoot: depositDataRoot,
            withdrawalCredentials: withdrawalCredentials,
            guardianEnclaveSignatures: guardianEnclaveSignatures
        });

        IPufferModule module = $.modules[moduleName];

        // Transfer 32 ETH to the module
        PUFFER_VAULT.transferETH(address(module), 32 ether);

        emit SuccessfullyProvisioned(validatorPubKey, index, moduleName);

        // Increase lockedETH on Puffer Oracle
        PUFFER_ORACLE.provisionNode();

        module.callStake({ pubKey: validatorPubKey, signature: validatorSignature, depositDataRoot: depositDataRoot });
    }

    function _getVTBurnAmount(ProtocolStorage storage $, address node, StoppedValidatorInfo calldata validatorInfo)
        internal
        view
        returns (uint256)
    {
        uint256 validatedEpochs = validatorInfo.endEpoch - validatorInfo.startEpoch;
        // Epoch has 32 blocks, each block is 12 seconds, we upscale to 18 decimals to get the VT amount and divide by 1 day
        // The formula is validatedEpochs * 32 * 12 * 1 ether / 1 days (4444444444444444.44444444...) we round it up
        uint256 vtBurnAmount = validatedEpochs * 4444444444444445;

        uint256 minimumVTAmount = $.minimumVtAmount;
        uint256 nodeVTBalance = $.nodeOperatorInfo[node].vtBalance;

        // If the VT burn amount is less than the minimum VT amount that means that the node operator exited early
        // If we don't penalize it, the node operator can exit early and re-register with the same VTs.
        // By doing that, they can lower the APY for the pufETH holders
        if (minimumVTAmount > vtBurnAmount) {
            // Case when the node operator registered the validator but afterwards the DAO increases the minimum VT amount
            if (nodeVTBalance < minimumVTAmount) {
                return nodeVTBalance;
            }

            return minimumVTAmount;
        }

        return vtBurnAmount;
    }

    function _callPermit(address token, Permit calldata permitData) internal {
        try IERC20Permit(token).permit({
            owner: msg.sender,
            spender: address(this),
            value: permitData.amount,
            deadline: permitData.deadline,
            v: permitData.v,
            s: permitData.s,
            r: permitData.r
        }) { } catch { }
    }

    function _decreaseNumberOfRegisteredValidators(ProtocolStorage storage $, bytes32 moduleName) internal {
        $.moduleLimits[moduleName].numberOfRegisteredValidators -= 1;
        emit NumberOfRegisteredValidatorsChanged(moduleName, $.moduleLimits[moduleName].numberOfRegisteredValidators);
    }

    function _authorizeUpgrade(address newImplementation) internal virtual override restricted { }
}

File 2 of 111 : IPufferProtocol.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { Validator } from "puffer/struct/Validator.sol";
import { ValidatorKeyData } from "puffer/struct/ValidatorKeyData.sol";
import { IGuardianModule } from "puffer/interface/IGuardianModule.sol";
import { IPufferModuleManager } from "puffer/interface/IPufferModuleManager.sol";
import { PufferVaultV2 } from "pufETH/PufferVaultV2.sol";
import { IPufferOracleV2 } from "puffer/interface/IPufferOracleV2.sol";
import { Status } from "puffer/struct/Status.sol";
import { Permit } from "pufETH/structs/Permit.sol";
import { ValidatorTicket } from "puffer/ValidatorTicket.sol";
import { NodeInfo } from "puffer/struct/NodeInfo.sol";
import { ModuleLimit } from "puffer/struct/ProtocolStorage.sol";
import { StoppedValidatorInfo } from "puffer/struct/StoppedValidatorInfo.sol";
import { IBeaconDepositContract } from "puffer/interface/IBeaconDepositContract.sol";

/**
 * @title IPufferProtocol
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferProtocol {
    /**
     * @notice Thrown when the deposit state that is provided doesn't match the one on Beacon deposit contract
     */
    error InvalidDepositRootHash();

    /**
     * @notice Thrown when the number of BLS public key shares doesn't match guardians threshold number
     * @dev Signature "0x8cdea6a6"
     */
    error InvalidBLSPublicKeySet();

    /**
     * @notice Thrown when the node operator tries to withdraw VTs from the PufferProtocol but has active/pending validators
     * @dev Signature "0x22242546"
     */
    error ActiveOrPendingValidatorsExist();

    /**
     * @notice Thrown on the module creation if the module already exists
     * @dev Signature "0x2157f2d7"
     */
    error ModuleAlreadyExists();

    /**
     * @notice Thrown when the new validators tires to register to a module, but the validator limit for that module is already reached
     * @dev Signature "0xb75c5781"
     */
    error ValidatorLimitForModuleReached();

    /**
     * @notice Thrown when the number of BLS private key shares doesn't match guardians number
     * @dev Signature "0x2c8f9aa3"
     */
    error InvalidBLSPrivateKeyShares();

    /**
     * @notice Thrown when the BLS public key is not valid
     * @dev Signature "0x7eef7967"
     */
    error InvalidBLSPubKey();

    /**
     * @notice Thrown when validator is not in a valid state
     * @dev Signature "0x3001591c"
     */
    error InvalidValidatorState(Status status);

    /**
     * @notice Thrown if the sender did not send enough ETH in the transaction
     * @dev Signature "0x242b035c"
     */
    error InvalidETHAmount();

    /**
     * @notice Thrown if the sender tries to register validator with invalid VT amount
     * @dev Signature "0x95c01f62"
     */
    error InvalidVTAmount();

    /**
     * @notice Thrown if the ETH transfer from the PufferModule to the PufferVault fails
     * @dev Signature "0x625a40e6"
     */
    error Failed();

    /**
     * @notice Emitted when the number of active validators changes
     * @dev Signature "0xc06afc2b3c88873a9be580de9bbbcc7fea3027ef0c25fd75d5411ed3195abcec"
     */
    event NumberOfRegisteredValidatorsChanged(bytes32 indexed moduleName, uint256 newNumberOfRegisteredValidators);

    /**
     * @notice Emitted when the new Puffer module is created
     * @dev Signature "0x8ad2a9260a8e9a01d1ccd66b3875bcbdf8c4d0c552bc51a7d2125d4146e1d2d6"
     */
    event NewPufferModuleCreated(address module, bytes32 indexed moduleName, bytes32 withdrawalCredentials);

    /**
     * @notice Emitted when the module's validator limit is changed from `oldLimit` to `newLimit`
     * @dev Signature "0x21e92cbdc47ef718b9c77ea6a6ee50ff4dd6362ee22041ab77a46dacb93f5355"
     */
    event ValidatorLimitPerModuleChanged(uint256 oldLimit, uint256 newLimit);

    /**
     * @notice Emitted when the minimum number of days for ValidatorTickets is changed from `oldMinimumNumberOfDays` to `newMinimumNumberOfDays`
     * @dev Signature "0xc6f97db308054b44394df54aa17699adff6b9996e9cffb4dcbcb127e20b68abc"
     */
    event MinimumVTAmountChanged(uint256 oldMinimumNumberOfDays, uint256 newMinimumNumberOfDays);

    /**
     * @notice Emitted when the VT Penalty amount is changed from `oldPenalty` to `newPenalty`
     * @dev Signature "0xfceca97b5d1d1164f9a15e42f38eaf4a6e760d8505f06161a258d4bf21cc4ee7"
     */
    event VTPenaltyChanged(uint256 oldPenalty, uint256 newPenalty);

    /**
     * @notice Emitted when VT is deposited to the protocol
     * @dev Signature "0xd47eb90c0b945baf5f3ae3f1384a7a524a6f78f1461b354c4a09c4001a5cee9c"
     */
    event ValidatorTicketsDeposited(address indexed node, address indexed depositor, uint256 amount);

    /**
     * @notice Emitted when VT is withdrawn from the protocol
     * @dev Signature "0xdf7e884ecac11650e1285647b057fa733a7bb9f1da100e7a8c22aafe4bdf6f40"
     */
    event ValidatorTicketsWithdrawn(address indexed node, address indexed recipient, uint256 amount);

    /**
     * @notice Emitted when the guardians decide to skip validator provisioning for `moduleName`
     * @dev Signature "0x088dc5dc64f3e8df8da5140a284d3018a717d6b009e605513bb28a2b466d38ee"
     */
    event ValidatorSkipped(bytes pubKey, uint256 indexed pufferModuleIndex, bytes32 indexed moduleName);

    /**
     * @notice Emitted when the module weights changes from `oldWeights` to `newWeights`
     * @dev Signature "0xd4c9924bd67ff5bd900dc6b1e03b839c6ffa35386096b0c2a17c03638fa4ebff"
     */
    event ModuleWeightsChanged(bytes32[] oldWeights, bytes32[] newWeights);

    /**
     * @notice Emitted when the Validator key is registered
     * @param pubKey is the validator public key
     * @param pufferModuleIndex is the internal validator index in Puffer Finance, not to be mistaken with validator index on Beacon Chain
     * @param moduleName is the staking Module
     * @param usingEnclave is indicating if the validator is using secure enclave
     * @dev Signature "0xc73344cf227e056eee8d82aee54078c9b55323b61d17f61587eb570873f8e319"
     */
    event ValidatorKeyRegistered(
        bytes pubKey, uint256 indexed pufferModuleIndex, bytes32 indexed moduleName, bool usingEnclave
    );

    /**
     * @notice Emitted when the Validator exited and stopped validating
     * @param pubKey is the validator public key
     * @param pufferModuleIndex is the internal validator index in Puffer Finance, not to be mistaken with validator index on Beacon Chain
     * @param moduleName is the staking Module
     * @param pufETHBurnAmount The amount of pufETH burned from the Node Operator
     * @dev Signature "0xf435da9e3aeccc40d39fece7829f9941965ceee00d31fa7a89d608a273ea906e"
     */
    event ValidatorExited(
        bytes pubKey,
        uint256 indexed pufferModuleIndex,
        bytes32 indexed moduleName,
        uint256 pufETHBurnAmount,
        uint256 vtBurnAmount
    );

    /**
     * @notice Emitted when the Validator is provisioned
     * @param pubKey is the validator public key
     * @param pufferModuleIndex is the internal validator index in Puffer Finance, not to be mistaken with validator index on Beacon Chain
     * @param moduleName is the staking Module
     * @dev Signature "0x96cbbd073e24b0a7d0cab7dc347c239e52be23c1b44ce240b3b929821fed19a4"
     */
    event SuccessfullyProvisioned(bytes pubKey, uint256 indexed pufferModuleIndex, bytes32 indexed moduleName);

    /**
     * @notice Returns validator information
     * @param moduleName is the staking Module
     * @param pufferModuleIndex is the Index of the validator in Puffer, not to be mistaken with Validator index on beacon chain
     * @return Validator info struct
     */
    function getValidatorInfo(bytes32 moduleName, uint256 pufferModuleIndex) external view returns (Validator memory);

    /**
     * @notice Returns Penalty for submitting a bad validator registration
     * @dev If the guardians skip a validator, the node operator will be penalized
     * /// todo write any possible reasons for skipping a validator, here and in skipValidator method
     */
    function getVTPenalty() external view returns (uint256);

    /**
     * @notice Returns the node operator information
     * @param node is the node operator address
     * @return NodeInfo struct
     */
    function getNodeInfo(address node) external view returns (NodeInfo memory);

    /**
     * @notice Deposits Validator Tickets for the `node`
     */
    function depositValidatorTickets(Permit calldata permit, address node) external;

    /**
     * @notice Withdraws the `amount` of Validator Tickers from the `msg.sender` to the `recipient`
     * @dev Each active validator requires node operator to have at least `minimumVtAmount` locked
     */
    function withdrawValidatorTickets(uint96 amount, address recipient) external;

    /**
     * @notice Batch settling of validator withdrawals
     *
     * @notice Settles a validator withdrawal
     * @dev This is one of the most important methods in the protocol
     * It has multiple tasks:
     * 1. Burn the pufETH from the node operator (if the withdrawal amount was lower than 32 ETH)
     * 2. Burn the Validator Tickets from the node operator
     * 3. Transfer withdrawal ETH from the PufferModule of the Validator to the PufferVault
     * 4. Decrement the `lockedETHAmount` on the PufferOracle to reflect the new amount of locked ETH
     */
    function batchHandleWithdrawals(
        StoppedValidatorInfo[] calldata validatorInfos,
        bytes[] calldata guardianEOASignatures
    ) external;

    /**
     * @notice Skips the next validator for `moduleName`
     * @dev Restricted to Guardians
     */
    function skipProvisioning(bytes32 moduleName, bytes[] calldata guardianEOASignatures) external;

    /**
     * @notice Sets the module weights array to `newModuleWeights`
     * @dev Restricted to the DAO
     */
    function setModuleWeights(bytes32[] calldata newModuleWeights) external;

    /**
     * @notice Sets the module limits for `moduleName` to `limit`
     * @dev Restricted to the DAO
     */
    function setValidatorLimitPerModule(bytes32 moduleName, uint128 limit) external;

    /**
     * @notice Sets the Validator Ticket penalty amount to `newPenaltyAmount`
     * @dev Restricted to the DAO
     */
    function setVTPenalty(uint256 newPenaltyAmount) external;

    /**
     * @notice Changes the minimum number amount of VT that must be locked per validator
     * @dev Restricted to the DAO
     */
    function changeMinimumVTAmount(uint256 newMinimumVTAmount) external;

    /**
     * @notice Returns the guardian module
     */
    function GUARDIAN_MODULE() external view returns (IGuardianModule);

    /**
     * @notice Returns the Validator ticket ERC20 token
     */
    function VALIDATOR_TICKET() external view returns (ValidatorTicket);

    /**
     * @notice Returns the Puffer Vault
     */
    function PUFFER_VAULT() external view returns (PufferVaultV2);

    /**
     * @notice Returns the Puffer Module Manager
     */
    function PUFFER_MODULE_MANAGER() external view returns (IPufferModuleManager);

    /**
     * @notice Returns the Puffer Oracle
     */
    function PUFFER_ORACLE() external view returns (IPufferOracleV2);

    /**
     * @notice Returns Beacon Deposit Contract
     */
    function BEACON_DEPOSIT_CONTRACT() external view returns (IBeaconDepositContract);

    /**
     * @notice Returns the current module weights
     */
    function getModuleWeights() external view returns (bytes32[] memory);

    /**
     * @notice Returns the module select index
     */
    function getModuleSelectIndex() external view returns (uint256);

    /**
     * @notice Returns the address for `moduleName`
     */
    function getModuleAddress(bytes32 moduleName) external view returns (address);

    /**
     * @notice Provisions the next node that is in line for provisioning if the `guardianEnclaveSignatures` are valid
     * @dev You can check who is next for provisioning by calling `getNextValidatorToProvision` method
     */
    function provisionNode(
        bytes[] calldata guardianEnclaveSignatures,
        bytes calldata validatorSignature,
        bytes32 depositRootHash
    ) external;

    /**
     * @notice Returns the deposit_data_root
     * @param pubKey is the public key of the validator
     * @param signature is the validator's signature over deposit data
     * @param withdrawalCredentials is the withdrawal credentials (one of Puffer Modules)
     * @return deposit_data_root
     */
    function getDepositDataRoot(bytes calldata pubKey, bytes calldata signature, bytes calldata withdrawalCredentials)
        external
        pure
        returns (bytes32);

    /**
     * @notice Returns the array of Puffer validators
     * @dev This is meant for OFF-CHAIN use, as it can be very expensive to call
     */
    function getValidators(bytes32 moduleName) external view returns (Validator[] memory);

    /**
     * @notice Returns the number of active validators for `moduleName`
     */
    function getModuleLimitInformation(bytes32 moduleName) external view returns (ModuleLimit memory info);

    /**
     * @notice Creates a new Puffer module with `moduleName`
     * @param moduleName The name of the module
     * @dev It will revert if you try to create two modules with the same name
     * @return The address of the new module
     */
    function createPufferModule(bytes32 moduleName) external returns (address);

    /**
     * @notice Registers a new validator key in a `moduleName` queue with a permit
     * @dev There is a queue per moduleName and it is FIFO
     *
     * If you are depositing without the permit, make sure to .approve pufETH to PufferProtocol
     * and populate permit.amount with the correct amount
     *
     * @param data The validator key data
     * @param moduleName The name of the module
     * @param pufETHPermit The permit for the pufETH
     * @param vtPermit The permit for the ValidatorTicket
     */
    function registerValidatorKey(
        ValidatorKeyData calldata data,
        bytes32 moduleName,
        Permit calldata pufETHPermit,
        Permit calldata vtPermit
    ) external payable;

    /**
     * @notice Returns the pending validator index for `moduleName`
     */
    function getPendingValidatorIndex(bytes32 moduleName) external view returns (uint256);

    /**
     * @notice Returns the next validator index for provisioning for `moduleName`
     */
    function getNextValidatorToBeProvisionedIndex(bytes32 moduleName) external view returns (uint256);

    /**
     * @notice Returns the amount of Validator Tickets locked in the PufferProtocol for the `owner`
     * The real VT balance may be different from the balance in the PufferProtocol
     * When the Validator is exited, the VTs are burned and the balance is decreased
     */
    function getValidatorTicketsBalance(address owner) external returns (uint256);

    /**
     * @notice Returns the next in line for provisioning
     * @dev The order in which the modules are selected is based on Module Weights
     * Every module has its own FIFO queue for provisioning
     */
    function getNextValidatorToProvision() external view returns (bytes32 moduleName, uint256 indexToBeProvisioned);

    /**
     * @notice Returns the withdrawal credentials for a `module`
     */
    function getWithdrawalCredentials(address module) external view returns (bytes memory);

    /**
     * @notice Returns the minimum amount of Validator Tokens to run a validator
     */
    function getMinimumVtAmount() external view returns (uint256);

    /**
     * @notice Reverts if the system is paused
     */
    function revertIfPaused() external;
}

File 3 of 111 : AccessManagedUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AccessManaged.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "@openzeppelin/contracts/access/manager/IAuthority.sol";
import {AuthorityUtils} from "@openzeppelin/contracts/access/manager/AuthorityUtils.sol";
import {IAccessManager} from "@openzeppelin/contracts/access/manager/IAccessManager.sol";
import {IAccessManaged} from "@openzeppelin/contracts/access/manager/IAccessManaged.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev This contract module makes available a {restricted} modifier. Functions decorated with this modifier will be
 * permissioned according to an "authority": a contract like {AccessManager} that follows the {IAuthority} interface,
 * implementing a policy that allows certain callers to access certain functions.
 *
 * IMPORTANT: The `restricted` modifier should never be used on `internal` functions, judiciously used in `public`
 * functions, and ideally only used in `external` functions. See {restricted}.
 */
abstract contract AccessManagedUpgradeable is Initializable, ContextUpgradeable, IAccessManaged {
    /// @custom:storage-location erc7201:openzeppelin.storage.AccessManaged
    struct AccessManagedStorage {
        address _authority;

        bool _consumingSchedule;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessManaged")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant AccessManagedStorageLocation = 0xf3177357ab46d8af007ab3fdb9af81da189e1068fefdc0073dca88a2cab40a00;

    function _getAccessManagedStorage() private pure returns (AccessManagedStorage storage $) {
        assembly {
            $.slot := AccessManagedStorageLocation
        }
    }

    /**
     * @dev Initializes the contract connected to an initial authority.
     */
    function __AccessManaged_init(address initialAuthority) internal onlyInitializing {
        __AccessManaged_init_unchained(initialAuthority);
    }

    function __AccessManaged_init_unchained(address initialAuthority) internal onlyInitializing {
        _setAuthority(initialAuthority);
    }

    /**
     * @dev Restricts access to a function as defined by the connected Authority for this contract and the
     * caller and selector of the function that entered the contract.
     *
     * [IMPORTANT]
     * ====
     * In general, this modifier should only be used on `external` functions. It is okay to use it on `public`
     * functions that are used as external entry points and are not called internally. Unless you know what you're
     * doing, it should never be used on `internal` functions. Failure to follow these rules can have critical security
     * implications! This is because the permissions are determined by the function that entered the contract, i.e. the
     * function at the bottom of the call stack, and not the function where the modifier is visible in the source code.
     * ====
     *
     * [WARNING]
     * ====
     * Avoid adding this modifier to the https://docs.soliditylang.org/en/v0.8.20/contracts.html#receive-ether-function[`receive()`]
     * function or the https://docs.soliditylang.org/en/v0.8.20/contracts.html#fallback-function[`fallback()`]. These
     * functions are the only execution paths where a function selector cannot be unambiguosly determined from the calldata
     * since the selector defaults to `0x00000000` in the `receive()` function and similarly in the `fallback()` function
     * if no calldata is provided. (See {_checkCanCall}).
     *
     * The `receive()` function will always panic whereas the `fallback()` may panic depending on the calldata length.
     * ====
     */
    modifier restricted() {
        _checkCanCall(_msgSender(), _msgData());
        _;
    }

    /// @inheritdoc IAccessManaged
    function authority() public view virtual returns (address) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._authority;
    }

    /// @inheritdoc IAccessManaged
    function setAuthority(address newAuthority) public virtual {
        address caller = _msgSender();
        if (caller != authority()) {
            revert AccessManagedUnauthorized(caller);
        }
        if (newAuthority.code.length == 0) {
            revert AccessManagedInvalidAuthority(newAuthority);
        }
        _setAuthority(newAuthority);
    }

    /// @inheritdoc IAccessManaged
    function isConsumingScheduledOp() public view returns (bytes4) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._consumingSchedule ? this.isConsumingScheduledOp.selector : bytes4(0);
    }

    /**
     * @dev Transfers control to a new authority. Internal function with no access restriction. Allows bypassing the
     * permissions set by the current authority.
     */
    function _setAuthority(address newAuthority) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        $._authority = newAuthority;
        emit AuthorityUpdated(newAuthority);
    }

    /**
     * @dev Reverts if the caller is not allowed to call the function identified by a selector. Panics if the calldata
     * is less than 4 bytes long.
     */
    function _checkCanCall(address caller, bytes calldata data) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        (bool immediate, uint32 delay) = AuthorityUtils.canCallWithDelay(
            authority(),
            caller,
            address(this),
            bytes4(data[0:4])
        );
        if (!immediate) {
            if (delay > 0) {
                $._consumingSchedule = true;
                IAccessManager(authority()).consumeScheduledOp(caller, data);
                $._consumingSchedule = false;
            } else {
                revert AccessManagedUnauthorized(caller);
            }
        }
    }
}

File 4 of 111 : UUPSUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.20;

import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol";
import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
import {Initializable} from "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    address private immutable __self = address(this);

    /**
     * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`
     * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,
     * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.
     * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must
     * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function
     * during an upgrade.
     */
    string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";

    /**
     * @dev The call is from an unauthorized context.
     */
    error UUPSUnauthorizedCallContext();

    /**
     * @dev The storage `slot` is unsupported as a UUID.
     */
    error UUPSUnsupportedProxiableUUID(bytes32 slot);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        _checkProxy();
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        _checkNotDelegated();
        _;
    }

    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual notDelegated returns (bytes32) {
        return ERC1967Utils.IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data);
    }

    /**
     * @dev Reverts if the execution is not performed via delegatecall or the execution
     * context is not of a proxy with an ERC1967-compliant implementation pointing to self.
     * See {_onlyProxy}.
     */
    function _checkProxy() internal view virtual {
        if (
            address(this) == __self || // Must be called through delegatecall
            ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
        ) {
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Reverts if the execution is performed via delegatecall.
     * See {notDelegated}.
     */
    function _checkNotDelegated() internal view virtual {
        if (address(this) != __self) {
            // Must not be called through delegatecall
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

    /**
     * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.
     *
     * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value
     * is expected to be the implementation slot in ERC1967.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {
        try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
            if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
                revert UUPSUnsupportedProxiableUUID(slot);
            }
            ERC1967Utils.upgradeToAndCall(newImplementation, data);
        } catch {
            // The implementation is not UUPS
            revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
        }
    }
}

File 5 of 111 : PufferProtocolStorage.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { ProtocolStorage } from "puffer/struct/ProtocolStorage.sol";

/**
 * @title PufferProtocolStorage
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
abstract contract PufferProtocolStorage {
    /**
     * @dev Storage slot location for PufferProtocol
     * @custom:storage-location erc7201:PufferProtocol.storage
     */
    bytes32 private constant _PUFFER_PROTOCOL_STORAGE =
        0xb8d3716136db480afe9a80da6be84f994509ecf9515ed14d03024589b5f2bd00;

    function _getPufferProtocolStorage() internal pure returns (ProtocolStorage storage $) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            $.slot := _PUFFER_PROTOCOL_STORAGE
        }
    }
}

File 6 of 111 : IPufferModuleManager.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferModule } from "puffer/interface/IPufferModule.sol";
import { IRestakingOperator } from "puffer/interface/IRestakingOperator.sol";
import { IDelegationManager } from "eigenlayer/interfaces/IDelegationManager.sol";
import { ISignatureUtils } from "eigenlayer/interfaces/ISignatureUtils.sol";
import { BeaconChainProofs } from "eigenlayer/libraries/BeaconChainProofs.sol";
import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { IRegistryCoordinator, IBLSApkRegistry } from "eigenlayer-middleware/interfaces/IRegistryCoordinator.sol";

/**
 * @title IPufferModuleManager
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferModuleManager {
    /**
     * @notice Thrown if the module name is not allowed
     */
    error ForbiddenModuleName();

    /**
     * @notice Emitted when a Restaking Operator is opted into a slasher
     * @param restakingOperator is the address of the restaking operator
     * @param slasher is the address of the slasher contract
     * @dev Signature "0xfaf85fa92e9a913f582def722d9da998852ef6cd2fc7715266e3c3b16495c7ac"
     */
    event RestakingOperatorOptedInSlasher(address indexed restakingOperator, address indexed slasher);

    /**
     * @notice Emitted when the Restaking Operator is created
     * @param restakingOperator is the address of the restaking operator
     * @param operatorDetails is the struct with new operator details
     * @dev Signature "0xbb6c366230e589c402e164f680d07db88a6c1d4dda4dd2dcbab5528c09a6b046"
     */
    event RestakingOperatorCreated(
        address indexed restakingOperator, IDelegationManager.OperatorDetails operatorDetails
    );

    /**
     * @notice Emitted when the Restaking Operator is modified
     * @param restakingOperator is the address of the restaking operator
     * @param newOperatorDetails is the struct with new operator details
     * @dev Signature "0xee78237d6444cc6c9083c1ef31a82b0feac23fbdf0cf52d7b0ed66dfa5f7f9f2"
     */
    event RestakingOperatorModified(
        address indexed restakingOperator, IDelegationManager.OperatorDetails newOperatorDetails
    );

    /**
     * @notice Emitted when the Withdrawals are queued
     * @param moduleName is the name of the module
     * @param shareAmount is the amount of shares
     * @dev Signature "0xfa1bd67700189b28b5a9085170838266813878ca3237b31a33358644a22a2f0e"
     */
    event WithdrawalsQueued(bytes32 indexed moduleName, uint256 shareAmount, bytes32 withdrawalRoot);

    /**
     * @notice Emitted when the verify and process withdrawals is called
     * @param moduleName is the name of the module
     * @param withdrawalFields are the fields of the withdrawals being proven
     * @param validatorFields are the fields of the validators being proven
     * @dev Signature "0x3f91dfbadd893521ffbbd43362750081af349f220002e6bfb4ffb3c00735f8ac"
     */
    event VerifiedAndProcessedWithdrawals(
        bytes32 indexed moduleName, bytes32[][] validatorFields, bytes32[][] withdrawalFields
    );

    /**
     * @notice Emitted when the Restaking Operator is updated with a new metadata URI
     * @param restakingOperator is the address of the restaking operator
     * @param metadataURI is the new URI of the operator's metadata
     * @dev Signature "0x4cb1b839d29c7a6f051ae51c7b439f2f8f991de54a4b5906503a06a0892ba2c4"
     */
    event RestakingOperatorMetadataURIUpdated(address indexed restakingOperator, string metadataURI);

    /**
     * @notice Emitted when the Puffer Module is delegated
     * @param moduleName the module name to be delegated
     * @param operator the operator to delegate to
     * @dev Signature "0xfa610363b3f4985bba03612919e946ac0bccf11c8e067255de41e530f8cc0997"
     */
    event PufferModuleDelegated(bytes32 indexed moduleName, address operator);

    /**
     * @notice Emitted when the Puffer Module is undelegated
     * @param moduleName the module name to be undelegated
     * @dev Signature "0x4651591b511cac27601595cefbb19b2f0a04ec7b9348230f44a1309b9d70a8c9"
     */
    event PufferModuleUndelegated(bytes32 indexed moduleName);

    /**
     * @notice Emitted when the restaking operator avs signature proof is updated
     * @param restakingOperator is the address of the restaking operator
     * @param digestHash is the message hash
     * @param signer is the address of the signature signer
     * @dev Signature "0x3a6a179c72e503b78f992c3aa1a8d451c366c446c086cee5a811a3d03445a62f"
     */
    event AVSRegistrationSignatureProofUpdated(address indexed restakingOperator, bytes32 digestHash, address signer);

    /**
     * @notice Emitted when a Node Operator verifies withdrawal credentials
     * @param moduleName is the name of the module
     * @param validatorIndices is the indices of the validators
     * @dev Signature "0x6722c9fd02a30e38d993af1ef931e54d0c24d0eae5eba68982773ce120b8ddee"
     */
    event ValidatorCredentialsVerified(bytes32 indexed moduleName, uint40[] validatorIndices);

    /**
     * @notice Emitted when ETH is withdrawn from EigenPod to a PufferModule
     * @param moduleName is the name of the module
     * @param amountToWithdraw is the amount of ETH to withdrawn
     * @dev Signature "0xcc72a3059fae624886e4da6e0b98e575d8cb4f7ea47e3986b5b60182621b7e22"
     */
    event NonBeaconChainETHBalanceWithdrawn(bytes32 indexed moduleName, uint256 amountToWithdraw);

    /**
     * @notice Emitted when the withdrawals are completed
     * @param moduleName is the name of the module
     * @param sharesWithdrawn is the shares withdrawn
     * @dev Signature "0x46ca5934f7ca805e7fbdc05e90e3ecbea495c41e35ba48e24f053c0c3d25af1e"
     */
    event CompletedQueuedWithdrawals(bytes32 indexed moduleName, uint256 sharesWithdrawn);

    /**
     * @notice Emitted when the Restaking Operator is registered to an AVS
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param socket is the socket of the operator (typically an IP address)
     * @dev Signature "0x4651591b511cac27601595cefbb19b2f0a04ec7b9348230f44a1309b9d70a8c9"
     */
    event RestakingOperatorRegisteredToAVS(
        IRestakingOperator restakingOperator, address avsRegistryCoordinator, bytes quorumNumbers, string socket
    );

    /**
     * @notice Emitted when the Restaking Operator is registered to an AVS
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param socket is the socket of the operator (typically an IP address)
     * @param operatorKickParams used to determine which operator is removed to maintain quorum capacity as the
     * operator registers for quorums
     * @dev Signature "0x4651591b511cac27601595cefbb19b2f0a04ec7b9348230f44a1309b9d70a8c9"
     */
    event RestakingOperatorRegisteredToAVSWithChurn(
        IRestakingOperator restakingOperator,
        address avsRegistryCoordinator,
        bytes quorumNumbers,
        string socket,
        IRegistryCoordinator.OperatorKickParam[] operatorKickParams
    );

    /**
     * @notice Emitted when the Restaking Operator is deregistered from an AVS
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being deregistered from
     * @dev Signature "0x4651591b511cac27601595cefbb19b2f0a04ec7b9348230f44a1309b9d70a8c9"
     */
    event RestakingOperatorDeregisteredFromAVS(
        IRestakingOperator restakingOperator, address avsRegistryCoordinator, bytes quorumNumbers
    );

    /**
     * @notice Emitted when the Restaking Operator AVS Socket is updated
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param socket is the new socket of the operator
     * @dev Signature "0x4651591b511cac27601595cefbb19b2f0a04ec7b9348230f44a1309b9d70a8c9"
     */
    event RestakingOperatorAVSSocketUpdated(
        IRestakingOperator restakingOperator, address avsRegistryCoordinator, string socket
    );

    /**
     * @notice Returns the Puffer Module beacon address
     */
    function PUFFER_MODULE_BEACON() external view returns (address);

    /**
     * @notice Returns the Restaking Operator beacon address
     */
    function RESTAKING_OPERATOR_BEACON() external view returns (address);

    /**
     * @notice Returns the Puffer Protocol address
     */
    function PUFFER_PROTOCOL() external view returns (address);

    /**
     * @notice Create a new Restaking Operator
     * @param metadataURI is a URI for the operator's metadata, i.e. a link providing more details on the operator.
     *
     * @param delegationApprover Address to verify signatures when a staker wishes to delegate to the operator, as well as controlling "forced undelegations".
     *
     * @dev See IDelegationManager(EigenLayer) for more details about the other parameters
     * @dev Signature verification follows these rules:
     * 1) If this address is left as address(0), then any staker will be free to delegate to the operator, i.e. no signature verification will be performed.
     * 2) If this address is an EOA (i.e. it has no code), then we follow standard ECDSA signature verification for delegations to the operator.
     * 3) If this address is a contract (i.e. it has code) then we forward a call to the contract and verify that it returns the correct EIP-1271 "magic value".
     * @return module The newly created Puffer module
     */
    function createNewRestakingOperator(
        string memory metadataURI,
        address delegationApprover,
        uint32 stakerOptOutWindowBlocks
    ) external returns (IRestakingOperator module);

    /**
     * @notice Create a new Puffer module
     * @dev This function creates a new Puffer module with the given module name
     * @param moduleName The name of the module
     * @return module The newly created Puffer module
     */
    function createNewPufferModule(bytes32 moduleName) external returns (IPufferModule module);

    /**
     * @notice Calls the modifyOperatorDetails function on the restaking operator
     * @param restakingOperator is the address of the restaking operator
     * @dev See IDelegationManager(EigenLayer) for more details about the other parameters
     * @dev Restricted to the DAO
     */
    function callModifyOperatorDetails(
        IRestakingOperator restakingOperator,
        IDelegationManager.OperatorDetails calldata newOperatorDetails
    ) external;

    /**
     * @notice Calls the verifyAndProcessWithdrawals function from the PufferModule `moduleName` with the given parameters
     * @dev See IEigenPod(EigenLayer) for more details about the other parameters
     */
    function callVerifyAndProcessWithdrawals(
        bytes32 moduleName,
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        BeaconChainProofs.WithdrawalProof[] calldata withdrawalProofs,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields,
        bytes32[][] calldata withdrawalFields
    ) external;

    /**
     * @notice Calls `queueWithdrawals` from the PufferModule `moduleName`
     * @param moduleName is the name of the module
     * @param sharesAmount is the amount of shares to withdraw
     */
    function callQueueWithdrawals(bytes32 moduleName, uint256 sharesAmount) external;

    /**
     * @notice Calls `completeQueuedWithdrawals` from the PufferModule `moduleName`
     * @dev See IDelegationManager(EigenLayer) for more details about the other parameters
     */
    function callCompleteQueuedWithdrawals(
        bytes32 moduleName,
        IDelegationManager.Withdrawal[] calldata withdrawals,
        IERC20[][] calldata tokens,
        uint256[] calldata middlewareTimesIndexes,
        bool[] calldata receiveAsTokens
    ) external;

    /**
     * @notice Calls `verifyWithdrawalCredentials` from the PufferModule `moduleName` with the given parameters
     * @dev See IEigenPod(EigenLayer) for more details about the other parameters
     */
    function callVerifyWithdrawalCredentials(
        bytes32 moduleName,
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        uint40[] calldata validatorIndices,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields
    ) external;

    /**
     * @notice Withdraws ETH from EigenPod to `moduleName`
     * @param amountToWithdraw is the amount of ETH to withdraw
     */
    function callWithdrawNonBeaconChainETHBalanceWei(bytes32 moduleName, uint256 amountToWithdraw) external;

    /**
     * @notice Calls the optIntoSlashing function on the restaking operator
     * @param restakingOperator is the address of the restaking operator
     * @param slasher is the address of the slasher contract to opt into
     * @dev Restricted to the DAO
     */
    function callOptIntoSlashing(IRestakingOperator restakingOperator, address slasher) external;

    /**
     * @notice Calls the updateOperatorMetadataURI function on the restaking operator
     * @param restakingOperator is the address of the restaking operator
     * @param metadataURI is the URI of the operator's metadata
     * @dev Restricted to the DAO
     */
    function callUpdateMetadataURI(IRestakingOperator restakingOperator, string calldata metadataURI) external;

    /**
     * @notice Calls the callDelegateTo function on the target module
     * @param moduleName is the name of the module
     * @param operator is the address of the restaking operator
     * @param approverSignatureAndExpiry the signature of the delegation approver
     * @param approverSalt salt for the signature
     * @dev Restricted to the DAO
     */
    function callDelegateTo(
        bytes32 moduleName,
        address operator,
        ISignatureUtils.SignatureWithExpiry calldata approverSignatureAndExpiry,
        bytes32 approverSalt
    ) external;

    /**
     * @notice Calls the callUndelegate function on the target module
     * @param moduleName is the name of the module
     * @dev Restricted to the DAO
     */
    function callUndelegate(bytes32 moduleName) external returns (bytes32[] memory withdrawalRoot);

    /**
     * @notice Updates AVS registration signature proof
     * @param restakingOperator is the address of the restaking operator
     * @param digestHash is the message hash
     * @param signer is the address of the signature signer
     * @dev Restricted to the DAO
     */
    function updateAVSRegistrationSignatureProof(
        IRestakingOperator restakingOperator,
        bytes32 digestHash,
        address signer
    ) external;

    /**
     * @notice Registers msg.sender as an operator for one or more quorums. If any quorum exceeds its maximum
     * operator capacity after the operator is registered, this method will fail.
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param socket is the socket of the operator (typically an IP address)
     * @param params contains the G1 & G2 public keys of the operator, and a signature proving their ownership
     * @param operatorSignature is the signature of the operator used by the AVS to register the operator in the delegation manager
     * @dev Restricted to the DAO
     */
    function callRegisterOperatorToAVS(
        IRestakingOperator restakingOperator,
        address avsRegistryCoordinator,
        bytes calldata quorumNumbers,
        string calldata socket,
        IBLSApkRegistry.PubkeyRegistrationParams calldata params,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata operatorSignature
    ) external;

    /**
     * @notice Registers msg.sender as an operator for one or more quorums. If any quorum reaches its maximum operator
     * capacity, `operatorKickParams` is used to replace an old operator with the new one.
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param socket is the socket of the operator (typically an IP address)
     * @param params contains the G1 & G2 public keys of the operator, and a signature proving their ownership
     * @param operatorKickParams used to determine which operator is removed to maintain quorum capacity as the
     * operator registers for quorums
     * @param churnApproverSignature is the signature of the churnApprover over the `operatorKickParams`
     * @param operatorSignature is the signature of the operator used by the AVS to register the operator in the delegation manager
     * @dev Restricted to the DAO
     */
    function callRegisterOperatorToAVSWithChurn(
        IRestakingOperator restakingOperator,
        address avsRegistryCoordinator,
        bytes calldata quorumNumbers,
        string calldata socket,
        IBLSApkRegistry.PubkeyRegistrationParams calldata params,
        IRegistryCoordinator.OperatorKickParam[] calldata operatorKickParams,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata churnApproverSignature,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata operatorSignature
    ) external;

    /**
     * @notice Deregisters the caller from one or more quorums
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being deregistered from
     * @dev Restricted to the DAO
     */
    function callDeregisterOperatorFromAVS(
        IRestakingOperator restakingOperator,
        address avsRegistryCoordinator,
        bytes calldata quorumNumbers
    ) external;

    /**
     * @notice Updates the socket of the msg.sender given they are a registered operator
     * @param restakingOperator is the address of the restaking operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param socket is the new socket of the operator
     * @dev Restricted to the DAO
     */
    function callUpdateOperatorAVSSocket(
        IRestakingOperator restakingOperator,
        address avsRegistryCoordinator,
        string memory socket
    ) external;
}

File 7 of 111 : IPufferOracleV2.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferOracle } from "pufETH/interface/IPufferOracle.sol";

/**
 * @title IPufferOracle
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferOracleV2 is IPufferOracle {
    error InvalidUpdate();
    /**
     * @notice Emitted when the number of active Puffer validators is updated
     * @param numberOfActivePufferValidators is the number of active Puffer validators
     */

    event NumberOfActiveValidators(uint256 numberOfActivePufferValidators);

    /**
     * @notice Emitted when the total number of validators is updated
     * @param oldNumberOfValidators is the old number of validators
     * @param newNumberOfValidators is the new number of validators
     */
    event TotalNumberOfValidatorsUpdated(
        uint256 oldNumberOfValidators, uint256 newNumberOfValidators, uint256 epochNumber
    );

    /**
     * @notice Returns the total number of active validators on Ethereum
     */
    function getTotalNumberOfValidators() external view returns (uint256);

    /**
     * @notice Returns the number of active puffer validators on Ethereum
     */
    function getNumberOfActiveValidators() external view returns (uint256);

    /**
     * @notice Exits `validatorNumber` validators, decreasing the `lockedETHAmount` by validatorNumber * 32 ETH.
     * It is called when when the validator exits the system in the `batchHandleWithdrawals` on the PufferProtocol.
     * In the same transaction, we are transferring full withdrawal ETH from the PufferModule to the Vault
     * Decrementing the `lockedETHAmount` by 32 ETH and we burn the Node Operator's pufETH (bond) if we need to cover up the loss.
     * @dev Restricted to PufferProtocol contract
     */
    function exitValidators(uint256 validatorNumber) external;

    /**
     * @notice Increases the `lockedETHAmount` on the PufferOracle by 32 ETH to account for a new deposit.
     * It is called when the Beacon chain receives a new deposit from the PufferProtocol.
     * The PufferVault's balance will simultaneously decrease by 32 ETH as the deposit is made.
     * @dev Restricted to PufferProtocol contract
     */
    function provisionNode() external;
}

File 8 of 111 : IGuardianModule.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { RaveEvidence } from "puffer/struct/RaveEvidence.sol";
import { IEnclaveVerifier } from "puffer/EnclaveVerifier.sol";
import { StoppedValidatorInfo } from "puffer/struct/StoppedValidatorInfo.sol";

/**
 * @title IGuardianModule interface
 * @author Puffer Finance
 */
interface IGuardianModule {
    /**
     * @notice Thrown when the ECDSA public key is not valid
     * @dev Signature "0xe3eece5a"
     */
    error InvalidECDSAPubKey();

    /**
     * @notice Thrown when the RAVE evidence is not valid
     * @dev Signature "0x2b3c629b"
     */
    error InvalidRAVE();

    /**
     * @notice Thrown if the threshold value is not valid
     * @dev Signature "0x651a749b"
     */
    error InvalidThreshold(uint256 threshold);

    /**
     * @notice Emitted when the ejection threshold is changed
     * @param oldThreshold is the old threshold value
     * @param newThreshold is the new threshold value
     * @dev Signature "0x4ae5122a691bf14917d273c6a81956e1f521b3e39f2d0c6d963117bf9c820e83"
     */
    event EjectionThresholdChanged(uint256 oldThreshold, uint256 newThreshold);

    /**
     * @notice Emitted when the threshold value for guardian signatures is changed
     * @param oldThreshold is the old threshold value
     * @param newThreshold is the new threshold value
     * @dev Signature "0x3164947cf0f49f08dd0cd80e671535b1e11590d347c55dcaa97ba3c24a96b33a"
     */
    event ThresholdChanged(uint256 oldThreshold, uint256 newThreshold);

    /**
     * @notice Emitted when a guardian is added to the module
     * @param guardian The address of the guardian added
     * @dev Signature "0x038596bb31e2e7d3d9f184d4c98b310103f6d7f5830e5eec32bffe6f1728f969"
     */
    event GuardianAdded(address guardian);

    /**
     * @notice Emitted when a guardian is removed from the module
     * @param guardian The address of the guardian removed
     * @dev Signature "0xb8107d0c6b40be480ce3172ee66ba6d64b71f6b1685a851340036e6e2e3e3c52"
     */
    event GuardianRemoved(address guardian);

    /**
     * @notice Emitted when the guardian changes guardian enclave address
     * @param guardian is the address outside of the enclave
     * @param guardianEnclave is the enclave address
     * @param pubKey is the public key
     * @dev Signature "0x14720919b20fceff2a396c4973d37c6087e4619d40c8f4003d8e44ee127461a2"
     */
    event RotatedGuardianKey(address guardian, address guardianEnclave, bytes pubKey);

    /**
     * @notice Emitted when the mrenclave value is changed
     * @dev Signature "0x1ff2c57ef9a384cea0c482d61fec8d708967d266f03266e301c6786f7209904a"
     */
    event MrEnclaveChanged(bytes32 oldMrEnclave, bytes32 newMrEnclave);

    /**
     * @notice Emitted when the mrsigner value is changed
     * @dev Signature "0x1a1fe271c5533136fccd1c6df515ca1f227d95822bfe78b9dd93debf3d709ae6"
     */
    event MrSignerChanged(bytes32 oldMrSigner, bytes32 newMrSigner);

    /**
     * @notice Returns the enclave address registered to `guardian`
     */
    function getGuardiansEnclaveAddress(address guardian) external view returns (address);

    /**
     * @notice Returns the ejection threshold ETH value
     * @dev The ejection threshold is the minimum amount of ETH on the beacon chain required do the validation duties
     * If it drops below this value, the validator will be ejected
     * It is more likely that the validator will run out of Validator Tickets before its balance drops below this value
     * @return The ejection threshold value
     */
    function getEjectionThreshold() external view returns (uint256);

    /**
     * @notice Sets the values for mrEnclave and mrSigner to `newMrenclave` and `newMrsigner`
     */
    function setGuardianEnclaveMeasurements(bytes32 newMrenclave, bytes32 newMrsigner) external;

    /**
     * @notice Validates the update of the number of validators
     */
    function validateTotalNumberOfValidators(
        uint256 newNumberOfValidators,
        uint256 epochNumber,
        bytes[] calldata guardianEOASignatures
    ) external view;

    /**
     * @notice Returns the enclave verifier
     */
    function ENCLAVE_VERIFIER() external view returns (IEnclaveVerifier);

    /**
     * @notice Validates the batch withdrawals calldata
     * @dev The order of the signatures is important
     * The order of the signatures MUST the same as the order of the validators in the validator module
     * @param validatorInfos The information of the stopped validators
     * @param guardianEOASignatures The guardian EOA signatures
     */
    function validateBatchWithdrawals(
        StoppedValidatorInfo[] calldata validatorInfos,
        bytes[] calldata guardianEOASignatures
    ) external;

    /**
     * @notice Validates the node provisioning calldata
     * @dev The order of the signatures is important
     * The order of the signatures MUST the same as the order of the guardians in the guardian module
     * @param pufferModuleIndex is the validator index in Puffer
     * @param pubKey The public key
     * @param signature The signature
     * @param withdrawalCredentials The withdrawal credentials
     * @param depositDataRoot The deposit data root
     * @param guardianEnclaveSignatures The guardian enclave signatures
     */
    function validateProvisionNode(
        uint256 pufferModuleIndex,
        bytes memory pubKey,
        bytes calldata signature,
        bytes calldata withdrawalCredentials,
        bytes32 depositDataRoot,
        bytes[] calldata guardianEnclaveSignatures
    ) external view;

    /**
     * @notice Validates the skipping of provisioning for a specific module
     * @param moduleName The name of the module
     * @param skippedIndex The index of the skipped provisioning
     * @param guardianEOASignatures The guardian EOA signatures
     */
    function validateSkipProvisioning(bytes32 moduleName, uint256 skippedIndex, bytes[] calldata guardianEOASignatures)
        external
        view;

    /**
     * @notice Returns the threshold value for guardian signatures
     * @dev The threshold value is the minimum number of guardian signatures required for a transaction to be considered valid
     * @return The threshold value
     */
    function getThreshold() external view returns (uint256);

    /**
     * @notice Returns the list of guardians
     * @dev This function returns an array of addresses representing the guardians
     * @return An array of addresses representing the guardians
     */
    function getGuardians() external view returns (address[] memory);

    /**
     * @notice Adds a new guardian to the module
     * @dev Restricted to the DAO
     * @param newGuardian The address of the new guardian to add
     */
    function addGuardian(address newGuardian) external;

    /**
     * @notice Removes a guardian from the module
     * @dev Restricted to the DAO
     * @param guardian The address of the guardian to remove
     */
    function removeGuardian(address guardian) external;

    /**
     * @notice Changes the threshold value for the guardian signatures
     * @dev Restricted to the DAO
     * @param newThreshold The new threshold value
     */
    function setThreshold(uint256 newThreshold) external;

    /**
     * @notice Changes the ejection threshold value
     * @dev Restricted to the DAO
     * @param newThreshold The new threshold value
     */
    function setEjectionThreshold(uint256 newThreshold) external;

    /**
     * @dev Validates the signatures of the guardians' enclave signatures
     * @param enclaveSignatures The array of enclave signatures
     * @param signedMessageHash The hash of the signed message
     * @return A boolean indicating whether the signatures are valid
     */
    function validateGuardiansEnclaveSignatures(bytes[] calldata enclaveSignatures, bytes32 signedMessageHash)
        external
        view
        returns (bool);

    /**
     * @dev Validates the signatures of the guardians' EOAs.
     * @param eoaSignatures The array of EOAs' signatures.
     * @param signedMessageHash The hash of the signed message.
     * @return A boolean indicating whether the signatures are valid.
     */
    function validateGuardiansEOASignatures(bytes[] calldata eoaSignatures, bytes32 signedMessageHash)
        external
        view
        returns (bool);

    /**
     * @notice Rotates guardian's key
     * @dev If he caller is not a valid guardian or if the RAVE evidence is not valid the tx will revert
     * @param blockNumber is the block number
     * @param pubKey is the public key of the new signature
     * @param evidence is the RAVE evidence
     */
    function rotateGuardianKey(uint256 blockNumber, bytes calldata pubKey, RaveEvidence calldata evidence) external;

    /**
     * @notice Returns the guardians enclave addresses
     */
    function getGuardiansEnclaveAddresses() external view returns (address[] memory);

    /**
     * @notice Returns the guardians enclave public keys
     */
    function getGuardiansEnclavePubkeys() external view returns (bytes[] memory);

    /**
     * @notice Checks if an account is a guardian
     * @param account The address to check
     * @return A boolean indicating whether the account is a guardian
     */
    function isGuardian(address account) external view returns (bool);

    /**
     * @notice Returns the mrenclave value
     */
    function getMrenclave() external view returns (bytes32);

    /**
     * @notice Returns the mrsigner value
     */
    function getMrsigner() external view returns (bytes32);
}

File 9 of 111 : IBeaconDepositContract.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @notice Beacon Deposit Contract for ETH Mainnet
 * https://etherscan.io/address/0x00000000219ab540356cbb839cbe05303d7705fa#code
 */
interface IBeaconDepositContract {
    //solhint-disable-next-line func-param-name-mixedcase
    event DepositEvent(bytes pubkey, bytes withdrawal_credentials, bytes amount, bytes signature, bytes index);

    function deposit(
        //solhint-disable-next-line func-param-name-mixedcase
        bytes memory pubkey,
        //solhint-disable-next-line func-param-name-mixedcase
        bytes memory withdrawal_credentials,
        //solhint-disable-next-line func-param-name-mixedcase
        bytes memory signature,
        //solhint-disable-next-line func-param-name-mixedcase
        bytes32 deposit_data_root
    ) external payable;
    function get_deposit_count() external view returns (bytes memory);
    function get_deposit_root() external view returns (bytes32);
    function supportsInterface(bytes4 interfaceId) external pure returns (bool);
}

File 10 of 111 : IPufferModule.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { ISignatureUtils } from "eigenlayer/interfaces/ISignatureUtils.sol";
import { BeaconChainProofs } from "eigenlayer/libraries/BeaconChainProofs.sol";
import { IDelegationManager } from "eigenlayer/interfaces/IDelegationManager.sol";
import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";

/**
 * @title IPufferModule
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferModule {
    /**
     * @notice Thrown if the rewards are already claimed for a `blockNumber`
     * @dev Signature "0xa9214540"
     */
    error AlreadyClaimed(uint256 blockNumber, address node);

    /**
     * @notice Thrown if guardians try to post root for an invalid block number
     * @dev Signature "0x9f4aafbe"
     */
    error InvalidBlockNumber(uint256 blockNumber);

    /**
     * @notice Thrown if the there is nothing to be claimed for the provided information
     * @dev Signature "0x64ab3466"
     */
    error NothingToClaim(address node);

    /**
     * @notice Emitted when the rewards MerkleRoot `root` for a `blockNumber` is posted
     */
    event RewardsRootPosted(uint256 indexed blockNumber, bytes32 root);

    /**
     * @notice Emits when rewards are claimed
     * @param node is the node address
     * @param amount is the amount claimed in wei
     */
    event RewardsClaimed(address indexed node, uint256 amount);

    /**
     * @notice Returns the Withdrawal credentials for that module
     */
    function getWithdrawalCredentials() external view returns (bytes memory);

    /**
     * @notice Returns the module name
     */
    function NAME() external view returns (bytes32);

    /**
     * @notice Starts the validator
     */
    function callStake(bytes calldata pubKey, bytes calldata signature, bytes32 depositDataRoot) external payable;

    /**
     * @notice Calls the delegateTo function on the EigenLayer delegation manager
     * @param operator is the address of the restaking operator
     * @param approverSignatureAndExpiry the signature of the delegation approver
     * @param approverSalt salt for the signature
     * @dev Restricted to the DAO
     */
    function callDelegateTo(
        address operator,
        ISignatureUtils.SignatureWithExpiry calldata approverSignatureAndExpiry,
        bytes32 approverSalt
    ) external;

    /**
     * @notice Calls the undelegate function on the EigenLayer delegation manager
     * @dev Restricted to the DAO
     */
    function callUndelegate() external returns (bytes32[] memory withdrawalRoot);

    /**
     * @notice Returns the EigenPod address owned by the module
     */
    function getEigenPod() external view returns (address);

    /**
     * @notice Queues the withdrawal from EigenLayer for the Beacon Chain strategy
     * @dev Restricted to PufferModuleManager
     */
    function queueWithdrawals(uint256 shareAmount) external returns (bytes32[] memory);

    /**
     * @notice Verifies and processes the withdrawals
     */
    function verifyAndProcessWithdrawals(
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        BeaconChainProofs.WithdrawalProof[] calldata withdrawalProofs,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields,
        bytes32[][] calldata withdrawalFields
    ) external;

    /**
     * @notice Verifies the withdrawal credentials
     */
    function verifyWithdrawalCredentials(
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        uint40[] calldata validatorIndices,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields
    ) external;

    /**
     * @notice Completes the queued withdrawals
     */
    function completeQueuedWithdrawals(
        IDelegationManager.Withdrawal[] calldata withdrawals,
        IERC20[][] calldata tokens,
        uint256[] calldata middlewareTimesIndexes,
        bool[] calldata receiveAsTokens
    ) external;

    /**
     * @notice Withdraws the non beacon chain ETH balance
     */
    function withdrawNonBeaconChainETHBalanceWei(uint256 amountToWithdraw) external;

    /**
     * @notice Function callable only by PufferProtocol
     * @param to is the destination address
     * @param amount is the ETH amount in wei
     * @param data is the calldata
     */
    function call(address to, uint256 amount, bytes calldata data)
        external
        returns (bool success, bytes memory response);
}

File 11 of 111 : ValidatorKeyData.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @dev Validator Key data struct
 */
struct ValidatorKeyData {
    bytes blsPubKey;
    bytes signature;
    bytes32 depositDataRoot;
    bytes[] blsEncryptedPrivKeyShares;
    bytes blsPubKeySet;
    bytes raveEvidence;
}

File 12 of 111 : Validator.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { Status } from "puffer/struct/Status.sol";

/**
 * @dev Validator struct
 */
struct Validator {
    address node; // Address of the Node operator
    uint96 bond; // Validator bond (pufETH amount)
    address module; // In which module is the Validator participating
    Status status; // Validator status
    bytes pubKey; // Validator public key
}

File 13 of 111 : Permit.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @dev Struct representing a permit for a specific action.
 */
struct Permit {
    uint256 deadline;
    uint256 amount;
    uint8 v;
    bytes32 r;
    bytes32 s;
}

File 14 of 111 : Status.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @dev Validator Status
 */
enum Status {
    UNINITIALIZED,
    PENDING,
    SKIPPED,
    ACTIVE,
    FROZEN
}

File 15 of 111 : ProtocolStorage.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { Validator } from "puffer/struct/Validator.sol";
import { NodeInfo } from "puffer/struct/NodeInfo.sol";
import { IPufferModule } from "puffer/interface/IPufferModule.sol";

/**
 * @custom:storage-location erc7201:PufferProtocol.storage
 * @dev +-----------------------------------------------------------+
 *      |                                                           |
 *      | DO NOT CHANGE, REORDER, REMOVE EXISTING STORAGE VARIABLES |
 *      |                                                           |
 *      +-----------------------------------------------------------+
 */
struct ProtocolStorage {
    /**
     * @dev Module weights
     * Slot 0
     */
    bytes32[] moduleWeights;
    /**
     * @dev Select module index
     * Slot 1
     */
    uint256 moduleSelectIndex;
    /**
     * @dev Mapping of module name to pending validator index for that module
     * Slot 2
     */
    mapping(bytes32 moduleName => uint256 pendingValidatorIndex) pendingValidatorIndices;
    /**
     * @dev Mapping of a module name to validator queue
     * Slot 3
     */
    mapping(bytes32 moduleName => uint256 nextInLineToBeProvisionedIndex) nextToBeProvisioned;
    /**
     * @dev Mapping of Module name => idx => Validator
     * Index is incrementing starting from 0, not to be mistaken with Beacon Chain Validator Index
     * Slot 4
     */
    mapping(bytes32 moduleName => mapping(uint256 index => Validator validator)) validators;
    /**
     * @dev Mapping between module name and a module
     * Slot 5
     */
    mapping(bytes32 moduleName => IPufferModule moduleAddress) modules;
    /**
     * @dev Mapping of Module name => Module limit
     * Slot 6
     */
    mapping(bytes32 moduleName => ModuleLimit moduleLimit) moduleLimits;
    /**
     * @dev Mapping of Node operator address => Node operator information
     * Slot 7
     */
    mapping(address node => NodeInfo info) nodeOperatorInfo;
    /**
     * @dev Minimum number of VT tokens per validator
     * 1 DAY = 1e18
     * Slot 8
     */
    uint256 minimumVtAmount;
    /**
     * @dev Amount of VT tokens to burn for a validator penalty
     * 1 VT = 1e18
     * Slot 9
     */
    uint256 vtPenalty;
}

struct ModuleLimit {
    uint128 allowedLimit;
    uint128 numberOfRegisteredValidators;
}

File 16 of 111 : LibBeaconchainContract.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @title LibBeaconchainContract
 * @dev Copied from the deposit contract
 *         https://github.com/ethereum/consensus-specs/blob/dev/solidity_deposit_contract/deposit_contract.sol
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
library LibBeaconchainContract {
    /**
     * @notice Returns the deposit data root. We assume that the deposit amount is 32 ETH
     * @param pubKey is the public key
     * @param signature is the signature
     * @param withdrawalCredentials is the withdrawal credentials
     * @return the deposit data root
     */
    function getDepositDataRoot(bytes memory pubKey, bytes calldata signature, bytes memory withdrawalCredentials)
        external
        pure
        returns (bytes32)
    {
        bytes32 pubKeyRoot = sha256(abi.encodePacked(pubKey, bytes16(0)));
        bytes32 signatureRoot = sha256(
            abi.encodePacked(
                sha256(abi.encodePacked(signature[:64])), sha256(abi.encodePacked(signature[64:], bytes32(0)))
            )
        );
        return sha256(
            abi.encodePacked(
                sha256(abi.encodePacked(pubKeyRoot, withdrawalCredentials)),
                sha256(
                    abi.encodePacked(
                        hex"0040597307000000000000000000000000000000000000000000000000000000", signatureRoot
                    )
                )
            )
        );
    }
}

File 17 of 111 : IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

File 18 of 111 : SafeCast.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }
}

File 19 of 111 : PufferVaultV2.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { PufferVault } from "./PufferVault.sol";
import { IStETH } from "./interface/Lido/IStETH.sol";
import { ILidoWithdrawalQueue } from "./interface/Lido/ILidoWithdrawalQueue.sol";
import { IEigenLayer } from "./interface/EigenLayer/IEigenLayer.sol";
import { IStrategy } from "./interface/EigenLayer/IStrategy.sol";
import { IDelegationManager } from "./interface/EigenLayer/IDelegationManager.sol";
import { IWETH } from "./interface/Other/IWETH.sol";
import { IPufferVaultV2 } from "./interface/IPufferVaultV2.sol";
import { IPufferOracle } from "./interface/IPufferOracle.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { EnumerableMap } from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
import { Math } from "@openzeppelin/contracts/utils/math/Math.sol";
import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

/**
 * @title PufferVaultV2
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
contract PufferVaultV2 is PufferVault, IPufferVaultV2 {
    using SafeERC20 for address;
    using EnumerableMap for EnumerableMap.UintToUintMap;
    using EnumerableSet for EnumerableSet.Bytes32Set;
    using Math for uint256;

    uint256 private constant _BASIS_POINT_SCALE = 1e4;

    /**
     * @dev The Wrapped Ethereum ERC20 token
     */
    IWETH internal immutable _WETH;

    /**
     * @dev The PufferOracle contract
     */
    IPufferOracle public immutable PUFFER_ORACLE;

    /**
     * @notice Delegation manager from EigenLayer
     */
    IDelegationManager internal immutable _DELEGATION_MANAGER;

    /**
     * @dev Two wallets that transferred pufETH to the PufferVault by mistake.
     */
    address private constant WHALE_PUFFER = 0xe6957D9b493b2f2634c8898AC09dc14Cb24BE222;
    address private constant PUFFER = 0x34c912C13De7953530DBE4c32F597d1bAF77889b;

    constructor(
        IStETH stETH,
        IWETH weth,
        ILidoWithdrawalQueue lidoWithdrawalQueue,
        IStrategy stETHStrategy,
        IEigenLayer eigenStrategyManager,
        IPufferOracle oracle,
        IDelegationManager delegationManager
    ) PufferVault(stETH, lidoWithdrawalQueue, stETHStrategy, eigenStrategyManager) {
        _WETH = weth;
        PUFFER_ORACLE = oracle;
        _DELEGATION_MANAGER = delegationManager;
        ERC4626Storage storage erc4626Storage = _getERC4626StorageInternal();
        erc4626Storage._asset = _WETH;
        // This redundant code is for the Echidna fuzz testing
        _setDailyWithdrawalLimit(100 ether);
        _updateDailyWithdrawals(0);
        _setExitFeeBasisPoints(100); // 1%
        _disableInitializers();
    }

    receive() external payable virtual override { }

    /**
     * @notice Changes underlying asset from stETH to WETH
     */
    function initialize() public reinitializer(2) {
        // In this initialization, we swap out the underlying stETH with WETH
        ERC4626Storage storage erc4626Storage = _getERC4626StorageInternal();
        erc4626Storage._asset = _WETH;
        _setDailyWithdrawalLimit(100 ether);
        _updateDailyWithdrawals(0);
        _setExitFeeBasisPoints(100); // 1%

        // Return pufETH to Puffers
        // If statement is necessary because we don't wan to change existing tests that rely on the original behavior
        if (balanceOf(address(this)) > 299 ether) {
            // Must do this.transfer (external call) because ERC20Upgradeable uses Context::_msgSender() (the msg.sender of the .initialize external call)

            // https://etherscan.io/tx/0x2e02a00dbc8ba48cd65a6802d174c210d0c4869806a564cca0088e42d382b2ff
            // slither-disable-next-line unchecked-transfer
            this.transfer(WHALE_PUFFER, 299.864287100672938618 ether);
            // https://etherscan.io/tx/0x7d309dc26cb3f0226e480e0d4c598707faee59d58bfc68bedb75cf5055ac274a
            // slither-disable-next-line unchecked-transfer
            this.transfer(PUFFER, 25426113577506618);
        }
    }

    /**
     * @dev See {IERC4626-totalAssets}.
     * pufETH, the shares of the vault, will be backed primarily by the WETH asset.
     * However, at any point in time, the full backings may be a combination of stETH, WETH, and ETH.
     * `totalAssets()` is calculated by summing the following:
     * - WETH held in the vault contract
     * - ETH  held in the vault contract
     * - PUFFER_ORACLE.getLockedEthAmount(), which is the oracle-reported Puffer validator ETH locked in the Beacon chain
     * - stETH held in the vault contract, in EigenLayer's stETH strategy, and in Lido's withdrawal queue. (we assume stETH is always 1:1 with ETH since it's rebasing)
     *
     * NOTE on the native ETH deposits:
     * When dealing with NATIVE ETH deposits, we need to deduct callvalue from the balance.
     * The contract calculates the amount of shares(pufETH) to mint based on the total assets.
     * When a user sends ETH, the msg.value is immediately added to address(this).balance.
     * Since address(this.balance)` is used in calculating `totalAssets()`, we must deduct the `callvalue()` from the balance to prevent the user from minting excess shares.
     * `msg.value` cannot be accessed from a view function, so we use assembly to get the callvalue.
     */
    function totalAssets() public view virtual override returns (uint256) {
        uint256 callValue;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            callValue := callvalue()
        }
        return _ST_ETH.balanceOf(address(this)) + getPendingLidoETHAmount() + getELBackingEthAmount()
            + _WETH.balanceOf(address(this)) + (address(this).balance - callValue) + PUFFER_ORACLE.getLockedEthAmount();
    }

    /**
     * @notice Withdrawals WETH assets from the vault, burning the `owner`'s (pufETH) shares.
     * The caller of this function does not have to be the `owner` if the `owner` has approved the caller to spend their pufETH.
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     * Copied the original ERC4626 code back to override `PufferVault` + wrap ETH logic
     * @param assets The amount of assets (WETH) to withdraw
     * @param receiver The address to receive the assets (WETH)
     * @param owner The address of the owner for which the shares (pufETH) are burned.
     * @return shares The amount of shares (pufETH) burned
     */
    function withdraw(uint256 assets, address receiver, address owner)
        public
        virtual
        override
        revertIfDeposited
        restricted
        returns (uint256)
    {
        uint256 maxAssets = maxWithdraw(owner);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxWithdraw(owner, assets, maxAssets);
        }

        _updateDailyWithdrawals(assets);

        _wrapETH(assets);

        uint256 shares = previewWithdraw(assets);
        _withdraw({ caller: _msgSender(), receiver: receiver, owner: owner, assets: assets, shares: shares });

        return shares;
    }

    /**
     * @notice Redeems (pufETH) `shares` to receive (WETH) assets from the vault, burning the `owner`'s (pufETH) `shares`.
     * The caller of this function does not have to be the `owner` if the `owner` has approved the caller to spend their pufETH.
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     * Copied the original ERC4626 code back to override `PufferVault` + wrap ETH logic
     * @param shares The amount of shares (pufETH) to withdraw
     * @param receiver The address to receive the assets (WETH)
     * @param owner The address of the owner for which the shares (pufETH) are burned.
     * @return assets The amount of assets (WETH) redeemed
     */
    function redeem(uint256 shares, address receiver, address owner)
        public
        virtual
        override
        revertIfDeposited
        restricted
        returns (uint256)
    {
        uint256 maxShares = maxRedeem(owner);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxRedeem(owner, shares, maxShares);
        }

        uint256 assets = previewRedeem(shares);

        _updateDailyWithdrawals(assets);

        _wrapETH(assets);

        _withdraw({ caller: _msgSender(), receiver: receiver, owner: owner, assets: assets, shares: shares });

        return assets;
    }

    /**
     * @inheritdoc IPufferVaultV2
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function depositETH(address receiver) public payable virtual markDeposit restricted returns (uint256) {
        uint256 maxAssets = maxDeposit(receiver);
        if (msg.value > maxAssets) {
            revert ERC4626ExceededMaxDeposit(receiver, msg.value, maxAssets);
        }

        uint256 shares = previewDeposit(msg.value);
        _mint(receiver, shares);
        emit Deposit(_msgSender(), receiver, msg.value, shares);

        return shares;
    }

    /**
     * @inheritdoc IPufferVaultV2
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function depositStETH(uint256 stETHSharesAmount, address receiver)
        public
        virtual
        markDeposit
        restricted
        returns (uint256)
    {
        uint256 maxAssets = maxDeposit(receiver);

        // Get the amount of assets (stETH) that corresponds to `stETHSharesAmount` so that we can use it in our calculation
        uint256 assets = _ST_ETH.getPooledEthByShares(stETHSharesAmount);

        if (assets > maxAssets) {
            revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
        }

        uint256 shares = previewDeposit(assets);
        // Transfer the exact number of stETH shares from the user to the vault
        _ST_ETH.transferSharesFrom({ _sender: msg.sender, _recipient: address(this), _sharesAmount: stETHSharesAmount });
        _mint(receiver, shares);

        emit Deposit(_msgSender(), receiver, assets, shares);

        return shares;
    }

    /**
     * @inheritdoc PufferVault
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function deposit(uint256 assets, address receiver)
        public
        virtual
        override
        markDeposit
        restricted
        returns (uint256)
    {
        return super.deposit(assets, receiver);
    }

    /**
     * @inheritdoc PufferVault
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function mint(uint256 shares, address receiver) public virtual override markDeposit restricted returns (uint256) {
        return super.mint(shares, receiver);
    }

    /**
     * @notice Initiates ETH withdrawals from Lido
     * @dev Restricted to Operations Multisig
     * @param amounts An array of stETH amounts to queue
     * @return requestIds An array of request IDs for the withdrawals
     */
    function initiateETHWithdrawalsFromLido(uint256[] calldata amounts)
        external
        virtual
        override
        restricted
        returns (uint256[] memory requestIds)
    {
        VaultStorage storage $ = _getPufferVaultStorage();

        uint256 lockedAmount;
        for (uint256 i = 0; i < amounts.length; ++i) {
            lockedAmount += amounts[i];
        }
        $.lidoLockedETH += lockedAmount;

        SafeERC20.safeIncreaseAllowance(_ST_ETH, address(_LIDO_WITHDRAWAL_QUEUE), lockedAmount);
        requestIds = _LIDO_WITHDRAWAL_QUEUE.requestWithdrawals(amounts, address(this));

        for (uint256 i = 0; i < requestIds.length; ++i) {
            $.lidoWithdrawalAmounts.set(requestIds[i], amounts[i]);
        }
        emit RequestedWithdrawals(requestIds);
        return requestIds;
    }

    /**
     * @notice Claims ETH withdrawals from Lido
     * @dev Restricted to Operations Multisig
     * @param requestIds An array of request IDs for the withdrawals
     */
    function claimWithdrawalsFromLido(uint256[] calldata requestIds) external virtual override restricted {
        VaultStorage storage $ = _getPufferVaultStorage();

        // ETH balance before the claim
        uint256 balanceBefore = address(this).balance;

        uint256 expectedWithdrawal = 0;

        for (uint256 i = 0; i < requestIds.length; ++i) {
            // .get reverts if requestId is not present
            expectedWithdrawal += $.lidoWithdrawalAmounts.get(requestIds[i]);
            $.lidoWithdrawalAmounts.remove(requestIds[i]);

            // slither-disable-next-line calls-loop
            _LIDO_WITHDRAWAL_QUEUE.claimWithdrawal(requestIds[i]);
        }

        // ETH balance after the claim
        uint256 balanceAfter = address(this).balance;
        uint256 actualWithdrawal = balanceAfter - balanceBefore;
        // Deduct from the locked amount the expected amount
        $.lidoLockedETH -= expectedWithdrawal;

        emit ClaimedWithdrawals(requestIds);
        emit LidoWithdrawal(expectedWithdrawal, actualWithdrawal);
    }

    /**
     * @notice Transfers ETH to a specified address.
     * @dev Restricted to PufferProtocol smart contract
     * @dev It is used to transfer ETH to PufferModules to fund Puffer validators.
     * @param to The address of the PufferModule to transfer ETH to
     * @param ethAmount The amount of ETH to transfer
     */
    function transferETH(address to, uint256 ethAmount) external restricted {
        // Our Vault holds ETH & WETH
        // If we don't have enough ETH for the transfer, unwrap WETH
        uint256 ethBalance = address(this).balance;
        if (ethBalance < ethAmount) {
            // Reverts if no WETH to unwrap
            _WETH.withdraw(ethAmount - ethBalance);
        }

        // slither-disable-next-line arbitrary-send-eth
        (bool success,) = to.call{ value: ethAmount }("");

        if (!success) {
            revert ETHTransferFailed();
        }

        emit TransferredETH(to, ethAmount);
    }

    /**
     * @notice Allows the `msg.sender` to burn their (pufETH) shares
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     * @dev It is used to burn portions of Puffer validator bonds due to inactivity or slashing
     * @param shares The amount of shares to burn
     */
    function burn(uint256 shares) public restricted {
        _burn(msg.sender, shares);
    }

    /**
     * @notice Returns the amount of shares (pufETH) for the `assets` amount rounded up
     * @param assets The amount of assets
     */
    function convertToSharesUp(uint256 assets) public view returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Ceil);
    }

    /**
     * @notice Sets a new daily withdrawal limit
     * @dev Restricted to the DAO
     * @param newLimit The new daily limit to be set
     */
    function setDailyWithdrawalLimit(uint96 newLimit) external restricted {
        _setDailyWithdrawalLimit(newLimit);
        _resetDailyWithdrawals();
    }

    /**
     * @param newExitFeeBasisPoints is the new exit fee basis points
     * @dev Restricted to the DAO
     */
    function setExitFeeBasisPoints(uint256 newExitFeeBasisPoints) external restricted {
        _setExitFeeBasisPoints(newExitFeeBasisPoints);
    }

    /**
     * @inheritdoc IPufferVaultV2
     */
    function getRemainingAssetsDailyWithdrawalLimit() public view virtual returns (uint256) {
        VaultStorage storage $ = _getPufferVaultStorage();
        uint96 dailyAssetsWithdrawalLimit = $.dailyAssetsWithdrawalLimit;
        uint96 assetsWithdrawnToday = $.assetsWithdrawnToday;

        // If we are in a new day, return the full daily limit
        if ($.lastWithdrawalDay < block.timestamp / 1 days) {
            return dailyAssetsWithdrawalLimit;
        }

        return dailyAssetsWithdrawalLimit - assetsWithdrawnToday;
    }

    /**
     * @notice Calculates the maximum amount of assets (WETH) that can be withdrawn by the `owner`.
     * @dev This function considers both the remaining daily withdrawal limit and the `owner`'s balance.
     * See {IERC4626-maxWithdraw}
     * @param owner The address of the owner for which the maximum withdrawal amount is calculated.
     * @return maxAssets The maximum amount of assets that can be withdrawn by the `owner`.
     */
    function maxWithdraw(address owner) public view virtual override returns (uint256 maxAssets) {
        uint256 remainingAssets = getRemainingAssetsDailyWithdrawalLimit();
        uint256 maxUserAssets = previewRedeem(balanceOf(owner));
        return remainingAssets < maxUserAssets ? remainingAssets : maxUserAssets;
    }

    /**
     * @notice Calculates the maximum amount of shares (pufETH) that can be redeemed by the `owner`.
     * @dev This function considers both the remaining daily withdrawal limit in terms of assets and converts it to shares, and the `owner`'s share balance.
     * See {IERC4626-maxRedeem}
     * @param owner The address of the owner for which the maximum redeemable shares are calculated.
     * @return maxShares The maximum amount of shares that can be redeemed by the `owner`.
     */
    function maxRedeem(address owner) public view virtual override returns (uint256 maxShares) {
        uint256 remainingShares = previewWithdraw(getRemainingAssetsDailyWithdrawalLimit());
        uint256 userShares = balanceOf(owner);
        return remainingShares < userShares ? remainingShares : userShares;
    }

    /**
     * @dev Preview adding an exit fee on withdraw. See {IERC4626-previewWithdraw}.
     */
    function previewWithdraw(uint256 assets) public view virtual override returns (uint256) {
        uint256 fee = _feeOnRaw(assets, getExitFeeBasisPoints());
        return super.previewWithdraw(assets + fee);
    }

    /**
     * @dev Preview taking an exit fee on redeem. See {IERC4626-previewRedeem}.
     */
    function previewRedeem(uint256 shares) public view virtual override returns (uint256) {
        uint256 assets = super.previewRedeem(shares);
        return assets - _feeOnTotal(assets, getExitFeeBasisPoints());
    }

    /**
     * @inheritdoc IPufferVaultV2
     */
    function getExitFeeBasisPoints() public view virtual returns (uint256) {
        VaultStorage storage $ = _getPufferVaultStorage();
        return $.exitFeeBasisPoints;
    }

    /**
     * @notice Initiates Withdrawal from EigenLayer
     * Restricted access to Puffer Operations multisig
     */
    function initiateStETHWithdrawalFromEigenLayer(uint256 sharesToWithdraw) external virtual override restricted {
        VaultStorage storage $ = _getPufferVaultStorage();

        IDelegationManager.QueuedWithdrawalParams[] memory withdrawals =
            new IDelegationManager.QueuedWithdrawalParams[](1);

        IStrategy[] memory strategies = new IStrategy[](1);
        strategies[0] = IStrategy(_EIGEN_STETH_STRATEGY);

        uint256[] memory shares = new uint256[](1);
        shares[0] = sharesToWithdraw;

        $.eigenLayerPendingWithdrawalSharesAmount += sharesToWithdraw;

        withdrawals[0] = IDelegationManager.QueuedWithdrawalParams({
            strategies: strategies,
            shares: shares,
            withdrawer: address(this)
        });

        bytes32 withdrawalRoot = _DELEGATION_MANAGER.queueWithdrawals(withdrawals)[0];

        $.eigenLayerWithdrawals.add(withdrawalRoot);
    }

    /**
     * @notice Claims the queued withdrawal from EigenLayer
     * Restricted access to Puffer Operations multisig
     */
    function claimWithdrawalFromEigenLayerM2(
        IEigenLayer.QueuedWithdrawal calldata queuedWithdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex,
        uint256 nonce
    ) external virtual restricted {
        VaultStorage storage $ = _getPufferVaultStorage();

        IDelegationManager.Withdrawal memory withdrawal = IDelegationManager.Withdrawal({
            staker: address(this),
            delegatedTo: address(0),
            withdrawer: address(this),
            nonce: nonce,
            startBlock: queuedWithdrawal.withdrawalStartBlock,
            strategies: queuedWithdrawal.strategies,
            shares: queuedWithdrawal.shares
        });

        bytes32 withdrawalRoot = _DELEGATION_MANAGER.calculateWithdrawalRoot(withdrawal);
        bool isValidWithdrawal = $.eigenLayerWithdrawals.remove(withdrawalRoot);
        if (!isValidWithdrawal) {
            revert InvalidWithdrawal();
        }

        $.eigenLayerPendingWithdrawalSharesAmount -= queuedWithdrawal.shares[0];

        _DELEGATION_MANAGER.completeQueuedWithdrawal({
            withdrawal: withdrawal,
            tokens: tokens,
            middlewareTimesIndex: middlewareTimesIndex,
            receiveAsTokens: true
        });
    }

    // Not compatible anymore
    function claimWithdrawalFromEigenLayer(
        IEigenLayer.QueuedWithdrawal calldata queuedWithdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex
    ) external override { }

    // Not needed anymore
    function depositToEigenLayer(uint256 amount) external override { }

    /**
     * @dev Calculates the fees that should be added to an amount `assets` that does not already include fees.
     * Used in {IERC4626-withdraw}.
     */
    function _feeOnRaw(uint256 assets, uint256 feeBasisPoints) internal pure virtual returns (uint256) {
        return assets.mulDiv(feeBasisPoints, _BASIS_POINT_SCALE, Math.Rounding.Ceil);
    }

    /**
     * @dev Calculates the fee part of an amount `assets` that already includes fees.
     * Used in {IERC4626-redeem}.
     */
    function _feeOnTotal(uint256 assets, uint256 feeBasisPoints) internal pure virtual returns (uint256) {
        return assets.mulDiv(feeBasisPoints, feeBasisPoints + _BASIS_POINT_SCALE, Math.Rounding.Ceil);
    }

    /**
     * @notice Wraps the vault's ETH balance to WETH.
     * @dev Used to provide WETH liquidity
     */
    function _wrapETH(uint256 assets) internal virtual {
        uint256 wethBalance = _WETH.balanceOf(address(this));

        if (wethBalance < assets) {
            _WETH.deposit{ value: assets - wethBalance }();
        }
    }

    /**
     * @notice Updates the amount of assets (WETH) withdrawn today
     * @param withdrawalAmount is the assets (WETH) amount
     */
    function _updateDailyWithdrawals(uint256 withdrawalAmount) internal virtual {
        VaultStorage storage $ = _getPufferVaultStorage();

        // Check if it's a new day to reset the withdrawal count
        if ($.lastWithdrawalDay < block.timestamp / 1 days) {
            _resetDailyWithdrawals();
        }
        $.assetsWithdrawnToday += uint96(withdrawalAmount);
        emit AssetsWithdrawnToday($.assetsWithdrawnToday);
    }

    /**
     * @notice Updates the maximum amount of assets (WETH) that can be withdrawn daily
     * @param newLimit is the assets (WETH) amount
     */
    function _setDailyWithdrawalLimit(uint96 newLimit) internal virtual {
        VaultStorage storage $ = _getPufferVaultStorage();
        emit DailyWithdrawalLimitSet($.dailyAssetsWithdrawalLimit, newLimit);
        $.dailyAssetsWithdrawalLimit = newLimit;
    }

    /**
     * @notice Updates the exit fee basis points
     * @dev 200 Basis points = 2% is the maximum exit fee
     */
    function _setExitFeeBasisPoints(uint256 newExitFeeBasisPoints) internal virtual {
        VaultStorage storage $ = _getPufferVaultStorage();
        // 2% is the maximum exit fee
        if (newExitFeeBasisPoints > 200) {
            revert InvalidExitFeeBasisPoints();
        }
        emit ExitFeeBasisPointsSet($.exitFeeBasisPoints, newExitFeeBasisPoints);
        $.exitFeeBasisPoints = newExitFeeBasisPoints;
    }

    modifier markDeposit() virtual {
        assembly {
            tstore(_DEPOSIT_TRACKER_LOCATION, 1) // Store `1` in the deposit tracker location
        }
        _;
    }

    modifier revertIfDeposited() virtual {
        assembly {
            // If the deposit tracker location is set to `1`, revert with `DepositAndWithdrawalForbidden()`
            if tload(_DEPOSIT_TRACKER_LOCATION) {
                mstore(0x00, 0x39b79d11) // Store the error signature `0x39b79d11` for `error DepositAndWithdrawalForbidden()` in memory.
                revert(0x1c, 0x04) // Revert by returning those 4 bytes. `revert DepositAndWithdrawalForbidden()`
            }
        }
        _;
    }

    function _resetDailyWithdrawals() internal virtual {
        VaultStorage storage $ = _getPufferVaultStorage();
        $.lastWithdrawalDay = uint64(block.timestamp / 1 days);
        $.assetsWithdrawnToday = 0;
        emit DailyWithdrawalLimitReset();
    }

    function _authorizeUpgrade(address newImplementation) internal virtual override restricted { }

    function _getERC4626StorageInternal() private pure returns (ERC4626Storage storage $) {
        // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC4626")) - 1)) & ~bytes32(uint256(0xff))
        // solhint-disable-next-line no-inline-assembly
        assembly {
            $.slot := 0x0773e532dfede91f04b12a73d3d2acd361424f41f76b4fb79f090161e36b4e00
        }
    }
}

File 20 of 111 : ValidatorTicket.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { UUPSUpgradeable } from "openzeppelin-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import { AccessManagedUpgradeable } from "openzeppelin-upgradeable/access/manager/AccessManagedUpgradeable.sol";
import { ERC20PermitUpgradeable } from "openzeppelin-upgrades/token/ERC20/extensions/ERC20PermitUpgradeable.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { Address } from "openzeppelin/utils/Address.sol";
import { ValidatorTicketStorage } from "src/ValidatorTicketStorage.sol";
import { SafeCast } from "openzeppelin/utils/math/SafeCast.sol";
import { IPufferOracle } from "pufETH/interface/IPufferOracle.sol";
import { IValidatorTicket } from "./interface/IValidatorTicket.sol";
import { Math } from "@openzeppelin/contracts/utils/math/Math.sol";

/**
 * @title ValidatorTicket
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
contract ValidatorTicket is
    IValidatorTicket,
    ValidatorTicketStorage,
    UUPSUpgradeable,
    AccessManagedUpgradeable,
    ERC20PermitUpgradeable
{
    using SafeERC20 for address;
    using Address for address payable;
    using Math for uint256;

    /**
     * @inheritdoc IValidatorTicket
     */
    address payable public immutable override TREASURY;

    /**
     * @inheritdoc IValidatorTicket
     */
    address payable public immutable override GUARDIAN_MODULE;

    /**
     * @inheritdoc IValidatorTicket
     */
    address payable public immutable override PUFFER_VAULT;

    /**
     * @inheritdoc IValidatorTicket
     */
    IPufferOracle public immutable override PUFFER_ORACLE;

    /**
     * @dev Basis point scale
     */
    uint256 private constant _BASIS_POINT_SCALE = 1e4;

    /**
     * @dev Threshold for acceptable fee rate percentage
     */
    uint256 private constant _FEE_RATE_THRESHOLD_BPS = 1000;

    constructor(
        address payable guardianModule,
        address payable treasury,
        address payable pufferVault,
        IPufferOracle pufferOracle
    ) {
        if (
            guardianModule == address(0) || treasury == address(0) || pufferVault == address(0)
                || address(pufferOracle) == address(0)
        ) {
            revert InvalidData();
        }
        PUFFER_ORACLE = pufferOracle;
        GUARDIAN_MODULE = guardianModule;
        PUFFER_VAULT = pufferVault;
        TREASURY = treasury;
        _disableInitializers();
    }

    function initialize(address accessManager, uint256 treasuryFeeRate, uint256 guardiansFeeRate)
        external
        initializer
    {
        __AccessManaged_init(accessManager);
        __ERC20_init("Puffer Validator Ticket", "VT");
        __ERC20Permit_init("Puffer Validator Ticket");
        _setProtocolFeeRate(treasuryFeeRate);
        _setGuardiansFeeRate(guardiansFeeRate);
    }

    /**
     * @inheritdoc IValidatorTicket
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function purchaseValidatorTicket(address recipient)
        external
        payable
        virtual
        restricted
        returns (uint256 mintedAmount)
    {
        ValidatorTicket storage $ = _getValidatorTicketStorage();

        uint256 mintPrice = PUFFER_ORACLE.getValidatorTicketPrice();
        mintedAmount = (msg.value * 1 ether) / mintPrice; // * 1 ether is to upscale amount to 18 decimals

        // slither-disable-next-line divide-before-multiply
        _mint(recipient, mintedAmount);

        // If we are over the burst threshold, keep everything
        // That means that pufETH holders are not getting any new rewards until it goes under the threshold
        if (PUFFER_ORACLE.isOverBurstThreshold()) {
            // Everything goes to the treasury
            TREASURY.sendValue(msg.value);
            emit DispersedETH({ treasury: msg.value, guardians: 0, vault: 0 });
            return mintedAmount;
        }

        uint256 treasuryAmount = _sendETH(TREASURY, msg.value, $.protocolFeeRate);
        uint256 guardiansAmount = _sendETH(GUARDIAN_MODULE, msg.value, $.guardiansFeeRate);
        uint256 vaultAmount = msg.value - (treasuryAmount + guardiansAmount);
        // The remainder belongs to PufferVault
        PUFFER_VAULT.sendValue(vaultAmount);
        emit DispersedETH({ treasury: treasuryAmount, guardians: guardiansAmount, vault: vaultAmount });
    }

    /**
     * @notice Burns `amount` from the transaction sender
     * @dev Restricted to the PufferProtocol
     */
    function burn(uint256 amount) external virtual restricted {
        _burn(msg.sender, amount);
    }

    /**
     * @notice Updates the treasury fee
     * @dev Restricted to the DAO
     * (10,000 = 100%, 100 = 1%) 10% is the maximum value defined in the _setProtocolFeeRate function
     * @param newProtocolFeeRate The new treasury fee rate
     */
    function setProtocolFeeRate(uint256 newProtocolFeeRate) external virtual restricted {
        _setProtocolFeeRate(newProtocolFeeRate);
    }

    /**
     * @notice Updates the guardians fee rate
     * @dev Restricted to the DAO
     * (10,000 = 100%, 100 = 1%) 10% is the maximum value defined in the _setProtocolFeeRate function
     * @param newGuardiansFeeRate The new guardians fee rate
     */
    function setGuardiansFeeRate(uint256 newGuardiansFeeRate) external virtual restricted {
        _setGuardiansFeeRate(newGuardiansFeeRate);
    }

    /**
     * @inheritdoc IValidatorTicket
     */
    function getProtocolFeeRate() external view virtual returns (uint256) {
        ValidatorTicket storage $ = _getValidatorTicketStorage();
        return $.protocolFeeRate;
    }

    /**
     * @inheritdoc IValidatorTicket
     */
    function getGuardiansFeeRate() external view virtual returns (uint256) {
        ValidatorTicket storage $ = _getValidatorTicketStorage();
        return $.guardiansFeeRate;
    }

    /**
     * @param rate represents the percentage of the amount to send
     * @dev Calculates the amount to send and sends it to the recipient
     * rate is in basis points (100 = 1)
     * This is for sending ETH to trusted addresses (no reentrancy protection)
     * PufferVault, Guardians, Treasury
     */
    function _sendETH(address to, uint256 amount, uint256 rate) internal virtual returns (uint256 toSend) {
        toSend = amount.mulDiv(rate, _BASIS_POINT_SCALE, Math.Rounding.Ceil);

        if (toSend != 0) {
            payable(to).sendValue(toSend);
        }
    }

    function _setProtocolFeeRate(uint256 newProtocolFeeRate) internal virtual {
        ValidatorTicket storage $ = _getValidatorTicketStorage();
        // Treasury fee can not be bigger than 10%
        if (newProtocolFeeRate > (_FEE_RATE_THRESHOLD_BPS)) {
            revert InvalidData();
        }
        emit ProtocolFeeChanged($.protocolFeeRate, newProtocolFeeRate);
        $.protocolFeeRate = SafeCast.toUint128(newProtocolFeeRate);
    }

    function _setGuardiansFeeRate(uint256 newGuardiansFeeRate) internal virtual {
        ValidatorTicket storage $ = _getValidatorTicketStorage();
        // Treasury fee can not be bigger than 10%
        if (newGuardiansFeeRate > (_FEE_RATE_THRESHOLD_BPS)) {
            revert InvalidData();
        }
        emit GuardiansFeeChanged($.guardiansFeeRate, newGuardiansFeeRate);
        $.guardiansFeeRate = SafeCast.toUint128(newGuardiansFeeRate);
    }

    function _authorizeUpgrade(address newImplementation) internal virtual override restricted { }
}

File 21 of 111 : Errors.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @notice Thrown when the operation is not authorized
 * @dev Signature "0x82b42900"
 */
error Unauthorized();

/**
 * @notice Thrown if the address supplied is not valid
 * @dev Signature "0xe6c4247b"
 */
error InvalidAddress();

File 22 of 111 : StoppedValidatorInfo.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @dev Stopped validator info
 */
struct StoppedValidatorInfo {
    ///@dev Module address.
    address module;
    ///@dev Validator start epoch.
    uint256 startEpoch;
    ///@dev Validator stop epoch.
    uint256 endEpoch;
    /// @dev Indicates whether the validator was slashed before stopping.
    bool wasSlashed;
    /// @dev Name of the module where the validator was participating.
    bytes32 moduleName;
    /// @dev Index of the validator in the module's validator list.
    uint256 pufferModuleIndex;
    /// @dev Amount of funds withdrawn upon validator stoppage.
    uint256 withdrawalAmount;
}

File 23 of 111 : NodeInfo.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @dev Everything is packed in 1 storage slot
 */
struct NodeInfo {
    uint64 activeValidatorCount; // Number of active validators
    uint64 pendingValidatorCount; // Number of pending validators (registered but not yet provisioned)
    uint96 vtBalance; // Validator ticket balance
}

File 24 of 111 : IAuthority.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAuthority.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard interface for permissioning originally defined in Dappsys.
 */
interface IAuthority {
    /**
     * @dev Returns true if the caller can invoke on a target the function identified by a function selector.
     */
    function canCall(address caller, address target, bytes4 selector) external view returns (bool allowed);
}

File 25 of 111 : AuthorityUtils.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AuthorityUtils.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "./IAuthority.sol";

library AuthorityUtils {
    /**
     * @dev Since `AccessManager` implements an extended IAuthority interface, invoking `canCall` with backwards compatibility
     * for the preexisting `IAuthority` interface requires special care to avoid reverting on insufficient return data.
     * This helper function takes care of invoking `canCall` in a backwards compatible way without reverting.
     */
    function canCallWithDelay(
        address authority,
        address caller,
        address target,
        bytes4 selector
    ) internal view returns (bool immediate, uint32 delay) {
        (bool success, bytes memory data) = authority.staticcall(
            abi.encodeCall(IAuthority.canCall, (caller, target, selector))
        );
        if (success) {
            if (data.length >= 0x40) {
                (immediate, delay) = abi.decode(data, (bool, uint32));
            } else if (data.length >= 0x20) {
                immediate = abi.decode(data, (bool));
            }
        }
        return (immediate, delay);
    }
}

File 26 of 111 : IAccessManager.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAccessManager.sol)

pragma solidity ^0.8.20;

import {IAccessManaged} from "./IAccessManaged.sol";
import {Time} from "../../utils/types/Time.sol";

interface IAccessManager {
    /**
     * @dev A delayed operation was scheduled.
     */
    event OperationScheduled(
        bytes32 indexed operationId,
        uint32 indexed nonce,
        uint48 schedule,
        address caller,
        address target,
        bytes data
    );

    /**
     * @dev A scheduled operation was executed.
     */
    event OperationExecuted(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev A scheduled operation was canceled.
     */
    event OperationCanceled(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev Informational labelling for a roleId.
     */
    event RoleLabel(uint64 indexed roleId, string label);

    /**
     * @dev Emitted when `account` is granted `roleId`.
     *
     * NOTE: The meaning of the `since` argument depends on the `newMember` argument.
     * If the role is granted to a new member, the `since` argument indicates when the account becomes a member of the role,
     * otherwise it indicates the execution delay for this account and roleId is updated.
     */
    event RoleGranted(uint64 indexed roleId, address indexed account, uint32 delay, uint48 since, bool newMember);

    /**
     * @dev Emitted when `account` membership or `roleId` is revoked. Unlike granting, revoking is instantaneous.
     */
    event RoleRevoked(uint64 indexed roleId, address indexed account);

    /**
     * @dev Role acting as admin over a given `roleId` is updated.
     */
    event RoleAdminChanged(uint64 indexed roleId, uint64 indexed admin);

    /**
     * @dev Role acting as guardian over a given `roleId` is updated.
     */
    event RoleGuardianChanged(uint64 indexed roleId, uint64 indexed guardian);

    /**
     * @dev Grant delay for a given `roleId` will be updated to `delay` when `since` is reached.
     */
    event RoleGrantDelayChanged(uint64 indexed roleId, uint32 delay, uint48 since);

    /**
     * @dev Target mode is updated (true = closed, false = open).
     */
    event TargetClosed(address indexed target, bool closed);

    /**
     * @dev Role required to invoke `selector` on `target` is updated to `roleId`.
     */
    event TargetFunctionRoleUpdated(address indexed target, bytes4 selector, uint64 indexed roleId);

    /**
     * @dev Admin delay for a given `target` will be updated to `delay` when `since` is reached.
     */
    event TargetAdminDelayUpdated(address indexed target, uint32 delay, uint48 since);

    error AccessManagerAlreadyScheduled(bytes32 operationId);
    error AccessManagerNotScheduled(bytes32 operationId);
    error AccessManagerNotReady(bytes32 operationId);
    error AccessManagerExpired(bytes32 operationId);
    error AccessManagerLockedAccount(address account);
    error AccessManagerLockedRole(uint64 roleId);
    error AccessManagerBadConfirmation();
    error AccessManagerUnauthorizedAccount(address msgsender, uint64 roleId);
    error AccessManagerUnauthorizedCall(address caller, address target, bytes4 selector);
    error AccessManagerUnauthorizedConsume(address target);
    error AccessManagerUnauthorizedCancel(address msgsender, address caller, address target, bytes4 selector);
    error AccessManagerInvalidInitialAdmin(address initialAdmin);

    /**
     * @dev Check if an address (`caller`) is authorised to call a given function on a given contract directly (with
     * no restriction). Additionally, it returns the delay needed to perform the call indirectly through the {schedule}
     * & {execute} workflow.
     *
     * This function is usually called by the targeted contract to control immediate execution of restricted functions.
     * Therefore we only return true if the call can be performed without any delay. If the call is subject to a
     * previously set delay (not zero), then the function should return false and the caller should schedule the operation
     * for future execution.
     *
     * If `immediate` is true, the delay can be disregarded and the operation can be immediately executed, otherwise
     * the operation can be executed if and only if delay is greater than 0.
     *
     * NOTE: The IAuthority interface does not include the `uint32` delay. This is an extension of that interface that
     * is backward compatible. Some contracts may thus ignore the second return argument. In that case they will fail
     * to identify the indirect workflow, and will consider calls that require a delay to be forbidden.
     *
     * NOTE: This function does not report the permissions of this manager itself. These are defined by the
     * {_canCallSelf} function instead.
     */
    function canCall(
        address caller,
        address target,
        bytes4 selector
    ) external view returns (bool allowed, uint32 delay);

    /**
     * @dev Expiration delay for scheduled proposals. Defaults to 1 week.
     *
     * IMPORTANT: Avoid overriding the expiration with 0. Otherwise every contract proposal will be expired immediately,
     * disabling any scheduling usage.
     */
    function expiration() external view returns (uint32);

    /**
     * @dev Minimum setback for all delay updates, with the exception of execution delays. It
     * can be increased without setback (and reset via {revokeRole} in the case event of an
     * accidental increase). Defaults to 5 days.
     */
    function minSetback() external view returns (uint32);

    /**
     * @dev Get whether the contract is closed disabling any access. Otherwise role permissions are applied.
     */
    function isTargetClosed(address target) external view returns (bool);

    /**
     * @dev Get the role required to call a function.
     */
    function getTargetFunctionRole(address target, bytes4 selector) external view returns (uint64);

    /**
     * @dev Get the admin delay for a target contract. Changes to contract configuration are subject to this delay.
     */
    function getTargetAdminDelay(address target) external view returns (uint32);

    /**
     * @dev Get the id of the role that acts as an admin for the given role.
     *
     * The admin permission is required to grant the role, revoke the role and update the execution delay to execute
     * an operation that is restricted to this role.
     */
    function getRoleAdmin(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role that acts as a guardian for a given role.
     *
     * The guardian permission allows canceling operations that have been scheduled under the role.
     */
    function getRoleGuardian(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role current grant delay.
     *
     * Its value may change at any point without an event emitted following a call to {setGrantDelay}.
     * Changes to this value, including effect timepoint are notified in advance by the {RoleGrantDelayChanged} event.
     */
    function getRoleGrantDelay(uint64 roleId) external view returns (uint32);

    /**
     * @dev Get the access details for a given account for a given role. These details include the timepoint at which
     * membership becomes active, and the delay applied to all operation by this user that requires this permission
     * level.
     *
     * Returns:
     * [0] Timestamp at which the account membership becomes valid. 0 means role is not granted.
     * [1] Current execution delay for the account.
     * [2] Pending execution delay for the account.
     * [3] Timestamp at which the pending execution delay will become active. 0 means no delay update is scheduled.
     */
    function getAccess(uint64 roleId, address account) external view returns (uint48, uint32, uint32, uint48);

    /**
     * @dev Check if a given account currently has the permission level corresponding to a given role. Note that this
     * permission might be associated with an execution delay. {getAccess} can provide more details.
     */
    function hasRole(uint64 roleId, address account) external view returns (bool, uint32);

    /**
     * @dev Give a label to a role, for improved role discoverability by UIs.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleLabel} event.
     */
    function labelRole(uint64 roleId, string calldata label) external;

    /**
     * @dev Add `account` to `roleId`, or change its execution delay.
     *
     * This gives the account the authorization to call any function that is restricted to this role. An optional
     * execution delay (in seconds) can be set. If that delay is non 0, the user is required to schedule any operation
     * that is restricted to members of this role. The user will only be able to execute the operation after the delay has
     * passed, before it has expired. During this period, admin and guardians can cancel the operation (see {cancel}).
     *
     * If the account has already been granted this role, the execution delay will be updated. This update is not
     * immediate and follows the delay rules. For example, if a user currently has a delay of 3 hours, and this is
     * called to reduce that delay to 1 hour, the new delay will take some time to take effect, enforcing that any
     * operation executed in the 3 hours that follows this update was indeed scheduled before this update.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - granted role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleGranted} event.
     */
    function grantRole(uint64 roleId, address account, uint32 executionDelay) external;

    /**
     * @dev Remove an account from a role, with immediate effect. If the account does not have the role, this call has
     * no effect.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - revoked role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function revokeRole(uint64 roleId, address account) external;

    /**
     * @dev Renounce role permissions for the calling account with immediate effect. If the sender is not in
     * the role this call has no effect.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function renounceRole(uint64 roleId, address callerConfirmation) external;

    /**
     * @dev Change admin role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleAdminChanged} event
     */
    function setRoleAdmin(uint64 roleId, uint64 admin) external;

    /**
     * @dev Change guardian role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGuardianChanged} event
     */
    function setRoleGuardian(uint64 roleId, uint64 guardian) external;

    /**
     * @dev Update the delay for granting a `roleId`.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGrantDelayChanged} event.
     */
    function setGrantDelay(uint64 roleId, uint32 newDelay) external;

    /**
     * @dev Set the role required to call functions identified by the `selectors` in the `target` contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetFunctionRoleUpdated} event per selector.
     */
    function setTargetFunctionRole(address target, bytes4[] calldata selectors, uint64 roleId) external;

    /**
     * @dev Set the delay for changing the configuration of a given target contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetAdminDelayUpdated} event.
     */
    function setTargetAdminDelay(address target, uint32 newDelay) external;

    /**
     * @dev Set the closed flag for a contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetClosed} event.
     */
    function setTargetClosed(address target, bool closed) external;

    /**
     * @dev Return the timepoint at which a scheduled operation will be ready for execution. This returns 0 if the
     * operation is not yet scheduled, has expired, was executed, or was canceled.
     */
    function getSchedule(bytes32 id) external view returns (uint48);

    /**
     * @dev Return the nonce for the latest scheduled operation with a given id. Returns 0 if the operation has never
     * been scheduled.
     */
    function getNonce(bytes32 id) external view returns (uint32);

    /**
     * @dev Schedule a delayed operation for future execution, and return the operation identifier. It is possible to
     * choose the timestamp at which the operation becomes executable as long as it satisfies the execution delays
     * required for the caller. The special value zero will automatically set the earliest possible time.
     *
     * Returns the `operationId` that was scheduled. Since this value is a hash of the parameters, it can reoccur when
     * the same parameters are used; if this is relevant, the returned `nonce` can be used to uniquely identify this
     * scheduled operation from other occurrences of the same `operationId` in invocations of {execute} and {cancel}.
     *
     * Emits a {OperationScheduled} event.
     *
     * NOTE: It is not possible to concurrently schedule more than one operation with the same `target` and `data`. If
     * this is necessary, a random byte can be appended to `data` to act as a salt that will be ignored by the target
     * contract if it is using standard Solidity ABI encoding.
     */
    function schedule(address target, bytes calldata data, uint48 when) external returns (bytes32, uint32);

    /**
     * @dev Execute a function that is delay restricted, provided it was properly scheduled beforehand, or the
     * execution delay is 0.
     *
     * Returns the nonce that identifies the previously scheduled operation that is executed, or 0 if the
     * operation wasn't previously scheduled (if the caller doesn't have an execution delay).
     *
     * Emits an {OperationExecuted} event only if the call was scheduled and delayed.
     */
    function execute(address target, bytes calldata data) external payable returns (uint32);

    /**
     * @dev Cancel a scheduled (delayed) operation. Returns the nonce that identifies the previously scheduled
     * operation that is cancelled.
     *
     * Requirements:
     *
     * - the caller must be the proposer, a guardian of the targeted function, or a global admin
     *
     * Emits a {OperationCanceled} event.
     */
    function cancel(address caller, address target, bytes calldata data) external returns (uint32);

    /**
     * @dev Consume a scheduled operation targeting the caller. If such an operation exists, mark it as consumed
     * (emit an {OperationExecuted} event and clean the state). Otherwise, throw an error.
     *
     * This is useful for contract that want to enforce that calls targeting them were scheduled on the manager,
     * with all the verifications that it implies.
     *
     * Emit a {OperationExecuted} event.
     */
    function consumeScheduledOp(address caller, bytes calldata data) external;

    /**
     * @dev Hashing function for delayed operations.
     */
    function hashOperation(address caller, address target, bytes calldata data) external view returns (bytes32);

    /**
     * @dev Changes the authority of a target managed by this manager instance.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     */
    function updateAuthority(address target, address newAuthority) external;
}

File 27 of 111 : IAccessManaged.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAccessManaged.sol)

pragma solidity ^0.8.20;

interface IAccessManaged {
    /**
     * @dev Authority that manages this contract was updated.
     */
    event AuthorityUpdated(address authority);

    error AccessManagedUnauthorized(address caller);
    error AccessManagedRequiredDelay(address caller, uint32 delay);
    error AccessManagedInvalidAuthority(address authority);

    /**
     * @dev Returns the current authority.
     */
    function authority() external view returns (address);

    /**
     * @dev Transfers control to a new authority. The caller must be the current authority.
     */
    function setAuthority(address) external;

    /**
     * @dev Returns true only in the context of a delayed restricted call, at the moment that the scheduled operation is
     * being consumed. Prevents denial of service for delayed restricted calls in the case that the contract performs
     * attacker controlled calls.
     */
    function isConsumingScheduledOp() external view returns (bytes4);
}

File 28 of 111 : ContextUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 29 of 111 : Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Storage of the initializable contract.
     *
     * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
     * when using with upgradeable contracts.
     *
     * @custom:storage-location erc7201:openzeppelin.storage.Initializable
     */
    struct InitializableStorage {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        uint64 _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    /**
     * @dev The contract is already initialized.
     */
    error InvalidInitialization();

    /**
     * @dev The contract is not initializing.
     */
    error NotInitializing();

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint64 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
     * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
     * production.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reininitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    /**
     * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
     */
    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    /**
     * @dev Returns a pointer to the storage namespace.
     */
    // solhint-disable-next-line var-name-mixedcase
    function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
        assembly {
            $.slot := INITIALIZABLE_STORAGE
        }
    }
}

File 30 of 111 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.20;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 31 of 111 : ERC1967Utils.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 */
library ERC1967Utils {
    // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
    // This will be fixed in Solidity 0.8.21. At that point we should remove these events.
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev The `implementation` of the proxy is invalid.
     */
    error ERC1967InvalidImplementation(address implementation);

    /**
     * @dev The `admin` of the proxy is invalid.
     */
    error ERC1967InvalidAdmin(address admin);

    /**
     * @dev The `beacon` of the proxy is invalid.
     */
    error ERC1967InvalidBeacon(address beacon);

    /**
     * @dev An upgrade function sees `msg.value > 0` that may be lost.
     */
    error ERC1967NonPayable();

    /**
     * @dev Returns the current implementation address.
     */
    function getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Performs implementation upgrade with additional setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
     * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {IERC1967-AdminChanged} event.
     */
    function changeAdmin(address newAdmin) internal {
        emit AdminChanged(getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    /**
     * @dev Change the beacon and trigger a setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-BeaconUpgraded} event.
     *
     * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
     * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
     * efficiency.
     */
    function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
     * if an upgrade doesn't perform an initialization call.
     */
    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

File 32 of 111 : IRestakingOperator.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IDelegationManager } from "eigenlayer/interfaces/IDelegationManager.sol";
import { ISlasher } from "eigenlayer/interfaces/ISlasher.sol";
import { IRegistryCoordinator, IBLSApkRegistry } from "eigenlayer-middleware/interfaces/IRegistryCoordinator.sol";
import { ISignatureUtils } from "eigenlayer/interfaces/ISignatureUtils.sol";

/**
 * @title IRestakingOperator
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IRestakingOperator {
    /**
     * @notice Returns the EigenLayer's DelegationManager
     */
    function EIGEN_DELEGATION_MANAGER() external view returns (IDelegationManager);

    /**
     * @notice Returns the EigenLayer's Slasher
     */
    function EIGEN_SLASHER() external view returns (ISlasher);

    /**
     * @notice Modify the operator details
     * @param newOperatorDetails is the struct with new operator details
     * @dev Restricted to the PufferModuleManager
     */
    function modifyOperatorDetails(IDelegationManager.OperatorDetails calldata newOperatorDetails) external;

    /**
     * @notice Opts the restaking operator into slashing by the slasher
     * @param slasher is the address of the slasher contract to opt into
     * @dev Restricted to the PufferModuleManager
     */
    function optIntoSlashing(address slasher) external;

    /**
     * @notice Updates the operator's metadata URI
     * @param metadataURI is the URI of the operator's metadata
     * @dev Restricted to the PufferModuleManager
     */
    function updateOperatorMetadataURI(string calldata metadataURI) external;

    /**
     * @notice Updates a signature proof by setting the signer address of the message hash
     * @param digestHash is message hash
     * @param signer is the signer address
     * @dev Restricted to the PufferModuleManager
     */
    function updateSignatureProof(bytes32 digestHash, address signer) external;

    /**
     * @notice Registers msg.sender as an operator for one or more quorums. If any quorum exceeds its maximum
     * operator capacity after the operator is registered, this method will fail.
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param socket is the socket of the operator (typically an IP address)
     * @param params contains the G1 & G2 public keys of the operator, and a signature proving their ownership
     * @param operatorSignature is the signature of the operator used by the AVS to register the operator in the delegation manager
     * @dev `params` is ignored if the caller has previously registered a public key
     * @dev `operatorSignature` is ignored if the operator's status is already REGISTERED
     */
    function registerOperatorToAVS(
        address avsRegistryCoordinator,
        bytes calldata quorumNumbers,
        string calldata socket,
        IBLSApkRegistry.PubkeyRegistrationParams calldata params,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata operatorSignature
    ) external;

    /**
     * @notice Registers msg.sender as an operator for one or more quorums. If any quorum reaches its maximum operator
     * capacity, `operatorKickParams` is used to replace an old operator with the new one.
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being registered for
     * @param params contains the G1 & G2 public keys of the operator, and a signature proving their ownership
     * @param operatorKickParams used to determine which operator is removed to maintain quorum capacity as the
     * operator registers for quorums
     * @param churnApproverSignature is the signature of the churnApprover over the `operatorKickParams`
     * @param operatorSignature is the signature of the operator used by the AVS to register the operator in the delegation manager
     * @dev `params` is ignored if the caller has previously registered a public key
     * @dev `operatorSignature` is ignored if the operator's status is already REGISTERED
     */
    function registerOperatorToAVSWithChurn(
        address avsRegistryCoordinator,
        bytes calldata quorumNumbers,
        string calldata socket,
        IBLSApkRegistry.PubkeyRegistrationParams calldata params,
        IRegistryCoordinator.OperatorKickParam[] calldata operatorKickParams,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata churnApproverSignature,
        ISignatureUtils.SignatureWithSaltAndExpiry calldata operatorSignature
    ) external;

    /**
     * @notice Deregisters the caller from one or more quorums
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param quorumNumbers is an ordered byte array containing the quorum numbers being deregistered from
     */
    function deregisterOperatorFromAVS(address avsRegistryCoordinator, bytes calldata quorumNumbers) external;

    /**
     * @notice Updates the socket of the msg.sender given they are a registered operator
     * @param avsRegistryCoordinator the avs registry coordinator address
     * @param socket is the new socket of the operator
     */
    function updateOperatorAVSSocket(address avsRegistryCoordinator, string memory socket) external;
}

File 33 of 111 : IDelegationManager.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "./IStrategy.sol";
import "./ISignatureUtils.sol";
import "./IStrategyManager.sol";

/**
 * @title DelegationManager
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice  This is the contract for delegation in EigenLayer. The main functionalities of this contract are
 * - enabling anyone to register as an operator in EigenLayer
 * - allowing operators to specify parameters related to stakers who delegate to them
 * - enabling any staker to delegate its stake to the operator of its choice (a given staker can only delegate to a single operator at a time)
 * - enabling a staker to undelegate its assets from the operator it is delegated to (performed as part of the withdrawal process, initiated through the StrategyManager)
 */
interface IDelegationManager is ISignatureUtils {
    // @notice Struct used for storing information about a single operator who has registered with EigenLayer
    struct OperatorDetails {
        // @notice address to receive the rewards that the operator earns via serving applications built on EigenLayer.
        address earningsReceiver;
        /**
         * @notice Address to verify signatures when a staker wishes to delegate to the operator, as well as controlling "forced undelegations".
         * @dev Signature verification follows these rules:
         * 1) If this address is left as address(0), then any staker will be free to delegate to the operator, i.e. no signature verification will be performed.
         * 2) If this address is an EOA (i.e. it has no code), then we follow standard ECDSA signature verification for delegations to the operator.
         * 3) If this address is a contract (i.e. it has code) then we forward a call to the contract and verify that it returns the correct EIP-1271 "magic value".
         */
        address delegationApprover;
        /**
         * @notice A minimum delay -- measured in blocks -- enforced between:
         * 1) the operator signalling their intent to register for a service, via calling `Slasher.optIntoSlashing`
         * and
         * 2) the operator completing registration for the service, via the service ultimately calling `Slasher.recordFirstStakeUpdate`
         * @dev note that for a specific operator, this value *cannot decrease*, i.e. if the operator wishes to modify their OperatorDetails,
         * then they are only allowed to either increase this value or keep it the same.
         */
        uint32 stakerOptOutWindowBlocks;
    }

    /**
     * @notice Abstract struct used in calculating an EIP712 signature for a staker to approve that they (the staker themselves) delegate to a specific operator.
     * @dev Used in computing the `STAKER_DELEGATION_TYPEHASH` and as a reference in the computation of the stakerDigestHash in the `delegateToBySignature` function.
     */
    struct StakerDelegation {
        // the staker who is delegating
        address staker;
        // the operator being delegated to
        address operator;
        // the staker's nonce
        uint256 nonce;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }

    /**
     * @notice Abstract struct used in calculating an EIP712 signature for an operator's delegationApprover to approve that a specific staker delegate to the operator.
     * @dev Used in computing the `DELEGATION_APPROVAL_TYPEHASH` and as a reference in the computation of the approverDigestHash in the `_delegate` function.
     */
    struct DelegationApproval {
        // the staker who is delegating
        address staker;
        // the operator being delegated to
        address operator;
        // the operator's provided salt
        bytes32 salt;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }

    /**
     * Struct type used to specify an existing queued withdrawal. Rather than storing the entire struct, only a hash is stored.
     * In functions that operate on existing queued withdrawals -- e.g. completeQueuedWithdrawal`, the data is resubmitted and the hash of the submitted
     * data is computed by `calculateWithdrawalRoot` and checked against the stored hash in order to confirm the integrity of the submitted data.
     */
    struct Withdrawal {
        // The address that originated the Withdrawal
        address staker;
        // The address that the staker was delegated to at the time that the Withdrawal was created
        address delegatedTo;
        // The address that can complete the Withdrawal + will receive funds when completing the withdrawal
        address withdrawer;
        // Nonce used to guarantee that otherwise identical withdrawals have unique hashes
        uint256 nonce;
        // Block number when the Withdrawal was created
        uint32 startBlock;
        // Array of strategies that the Withdrawal contains
        IStrategy[] strategies;
        // Array containing the amount of shares in each Strategy in the `strategies` array
        uint256[] shares;
    }

    struct QueuedWithdrawalParams {
        // Array of strategies that the QueuedWithdrawal contains
        IStrategy[] strategies;
        // Array containing the amount of shares in each Strategy in the `strategies` array
        uint256[] shares;
        // The address of the withdrawer
        address withdrawer;
    }

    // @notice Emitted when a new operator registers in EigenLayer and provides their OperatorDetails.
    event OperatorRegistered(address indexed operator, OperatorDetails operatorDetails);

    /// @notice Emitted when an operator updates their OperatorDetails to @param newOperatorDetails
    event OperatorDetailsModified(address indexed operator, OperatorDetails newOperatorDetails);

    /**
     * @notice Emitted when @param operator indicates that they are updating their MetadataURI string
     * @dev Note that these strings are *never stored in storage* and are instead purely emitted in events for off-chain indexing
     */
    event OperatorMetadataURIUpdated(address indexed operator, string metadataURI);

    /// @notice Emitted whenever an operator's shares are increased for a given strategy. Note that shares is the delta in the operator's shares.
    event OperatorSharesIncreased(address indexed operator, address staker, IStrategy strategy, uint256 shares);

    /// @notice Emitted whenever an operator's shares are decreased for a given strategy. Note that shares is the delta in the operator's shares.
    event OperatorSharesDecreased(address indexed operator, address staker, IStrategy strategy, uint256 shares);

    /// @notice Emitted when @param staker delegates to @param operator.
    event StakerDelegated(address indexed staker, address indexed operator);

    /// @notice Emitted when @param staker undelegates from @param operator.
    event StakerUndelegated(address indexed staker, address indexed operator);

    /// @notice Emitted when @param staker is undelegated via a call not originating from the staker themself
    event StakerForceUndelegated(address indexed staker, address indexed operator);

    /**
     * @notice Emitted when a new withdrawal is queued.
     * @param withdrawalRoot Is the hash of the `withdrawal`.
     * @param withdrawal Is the withdrawal itself.
     */
    event WithdrawalQueued(bytes32 withdrawalRoot, Withdrawal withdrawal);

    /// @notice Emitted when a queued withdrawal is completed
    event WithdrawalCompleted(bytes32 withdrawalRoot);

    /// @notice Emitted when a queued withdrawal is *migrated* from the StrategyManager to the DelegationManager
    event WithdrawalMigrated(bytes32 oldWithdrawalRoot, bytes32 newWithdrawalRoot);
    
    /// @notice Emitted when the `minWithdrawalDelayBlocks` variable is modified from `previousValue` to `newValue`.
    event MinWithdrawalDelayBlocksSet(uint256 previousValue, uint256 newValue);

    /// @notice Emitted when the `strategyWithdrawalDelayBlocks` variable is modified from `previousValue` to `newValue`.
    event StrategyWithdrawalDelayBlocksSet(IStrategy strategy, uint256 previousValue, uint256 newValue);

    /**
     * @notice Registers the caller as an operator in EigenLayer.
     * @param registeringOperatorDetails is the `OperatorDetails` for the operator.
     * @param metadataURI is a URI for the operator's metadata, i.e. a link providing more details on the operator.
     *
     * @dev Once an operator is registered, they cannot 'deregister' as an operator, and they will forever be considered "delegated to themself".
     * @dev This function will revert if the caller attempts to set their `earningsReceiver` to address(0).
     * @dev Note that the `metadataURI` is *never stored * and is only emitted in the `OperatorMetadataURIUpdated` event
     */
    function registerAsOperator(
        OperatorDetails calldata registeringOperatorDetails,
        string calldata metadataURI
    ) external;

    /**
     * @notice Updates an operator's stored `OperatorDetails`.
     * @param newOperatorDetails is the updated `OperatorDetails` for the operator, to replace their current OperatorDetails`.
     *
     * @dev The caller must have previously registered as an operator in EigenLayer.
     * @dev This function will revert if the caller attempts to set their `earningsReceiver` to address(0).
     */
    function modifyOperatorDetails(OperatorDetails calldata newOperatorDetails) external;

    /**
     * @notice Called by an operator to emit an `OperatorMetadataURIUpdated` event indicating the information has updated.
     * @param metadataURI The URI for metadata associated with an operator
     * @dev Note that the `metadataURI` is *never stored * and is only emitted in the `OperatorMetadataURIUpdated` event
     */
    function updateOperatorMetadataURI(string calldata metadataURI) external;

    /**
     * @notice Caller delegates their stake to an operator.
     * @param operator The account (`msg.sender`) is delegating its assets to for use in serving applications built on EigenLayer.
     * @param approverSignatureAndExpiry Verifies the operator approves of this delegation
     * @param approverSalt A unique single use value tied to an individual signature.
     * @dev The approverSignatureAndExpiry is used in the event that:
     *          1) the operator's `delegationApprover` address is set to a non-zero value.
     *                  AND
     *          2) neither the operator nor their `delegationApprover` is the `msg.sender`, since in the event that the operator
     *             or their delegationApprover is the `msg.sender`, then approval is assumed.
     * @dev In the event that `approverSignatureAndExpiry` is not checked, its content is ignored entirely; it's recommended to use an empty input
     * in this case to save on complexity + gas costs
     */
    function delegateTo(
        address operator,
        SignatureWithExpiry memory approverSignatureAndExpiry,
        bytes32 approverSalt
    ) external;

    /**
     * @notice Caller delegates a staker's stake to an operator with valid signatures from both parties.
     * @param staker The account delegating stake to an `operator` account
     * @param operator The account (`staker`) is delegating its assets to for use in serving applications built on EigenLayer.
     * @param stakerSignatureAndExpiry Signed data from the staker authorizing delegating stake to an operator
     * @param approverSignatureAndExpiry is a parameter that will be used for verifying that the operator approves of this delegation action in the event that:
     * @param approverSalt Is a salt used to help guarantee signature uniqueness. Each salt can only be used once by a given approver.
     *
     * @dev If `staker` is an EOA, then `stakerSignature` is verified to be a valid ECDSA stakerSignature from `staker`, indicating their intention for this action.
     * @dev If `staker` is a contract, then `stakerSignature` will be checked according to EIP-1271.
     * @dev the operator's `delegationApprover` address is set to a non-zero value.
     * @dev neither the operator nor their `delegationApprover` is the `msg.sender`, since in the event that the operator or their delegationApprover
     * is the `msg.sender`, then approval is assumed.
     * @dev This function will revert if the current `block.timestamp` is equal to or exceeds the expiry
     * @dev In the case that `approverSignatureAndExpiry` is not checked, its content is ignored entirely; it's recommended to use an empty input
     * in this case to save on complexity + gas costs
     */
    function delegateToBySignature(
        address staker,
        address operator,
        SignatureWithExpiry memory stakerSignatureAndExpiry,
        SignatureWithExpiry memory approverSignatureAndExpiry,
        bytes32 approverSalt
    ) external;

    /**
     * @notice Undelegates the staker from the operator who they are delegated to. Puts the staker into the "undelegation limbo" mode of the EigenPodManager
     * and queues a withdrawal of all of the staker's shares in the StrategyManager (to the staker), if necessary.
     * @param staker The account to be undelegated.
     * @return withdrawalRoot The root of the newly queued withdrawal, if a withdrawal was queued. Otherwise just bytes32(0).
     *
     * @dev Reverts if the `staker` is also an operator, since operators are not allowed to undelegate from themselves.
     * @dev Reverts if the caller is not the staker, nor the operator who the staker is delegated to, nor the operator's specified "delegationApprover"
     * @dev Reverts if the `staker` is already undelegated.
     */
    function undelegate(address staker) external returns (bytes32[] memory withdrawalRoot);

    /**
     * Allows a staker to withdraw some shares. Withdrawn shares/strategies are immediately removed
     * from the staker. If the staker is delegated, withdrawn shares/strategies are also removed from
     * their operator.
     *
     * All withdrawn shares/strategies are placed in a queue and can be fully withdrawn after a delay.
     */
    function queueWithdrawals(
        QueuedWithdrawalParams[] calldata queuedWithdrawalParams
    ) external returns (bytes32[] memory);

    /**
     * @notice Used to complete the specified `withdrawal`. The caller must match `withdrawal.withdrawer`
     * @param withdrawal The Withdrawal to complete.
     * @param tokens Array in which the i-th entry specifies the `token` input to the 'withdraw' function of the i-th Strategy in the `withdrawal.strategies` array.
     * This input can be provided with zero length if `receiveAsTokens` is set to 'false' (since in that case, this input will be unused)
     * @param middlewareTimesIndex is the index in the operator that the staker who triggered the withdrawal was delegated to's middleware times array
     * @param receiveAsTokens If true, the shares specified in the withdrawal will be withdrawn from the specified strategies themselves
     * and sent to the caller, through calls to `withdrawal.strategies[i].withdraw`. If false, then the shares in the specified strategies
     * will simply be transferred to the caller directly.
     * @dev middlewareTimesIndex should be calculated off chain before calling this function by finding the first index that satisfies `slasher.canWithdraw`
     * @dev beaconChainETHStrategy shares are non-transferrable, so if `receiveAsTokens = false` and `withdrawal.withdrawer != withdrawal.staker`, note that
     * any beaconChainETHStrategy shares in the `withdrawal` will be _returned to the staker_, rather than transferred to the withdrawer, unlike shares in
     * any other strategies, which will be transferred to the withdrawer.
     */
    function completeQueuedWithdrawal(
        Withdrawal calldata withdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex,
        bool receiveAsTokens
    ) external;

    /**
     * @notice Array-ified version of `completeQueuedWithdrawal`.
     * Used to complete the specified `withdrawals`. The function caller must match `withdrawals[...].withdrawer`
     * @param withdrawals The Withdrawals to complete.
     * @param tokens Array of tokens for each Withdrawal. See `completeQueuedWithdrawal` for the usage of a single array.
     * @param middlewareTimesIndexes One index to reference per Withdrawal. See `completeQueuedWithdrawal` for the usage of a single index.
     * @param receiveAsTokens Whether or not to complete each withdrawal as tokens. See `completeQueuedWithdrawal` for the usage of a single boolean.
     * @dev See `completeQueuedWithdrawal` for relevant dev tags
     */
    function completeQueuedWithdrawals(
        Withdrawal[] calldata withdrawals,
        IERC20[][] calldata tokens,
        uint256[] calldata middlewareTimesIndexes,
        bool[] calldata receiveAsTokens
    ) external;

    /**
     * @notice Increases a staker's delegated share balance in a strategy.
     * @param staker The address to increase the delegated shares for their operator.
     * @param strategy The strategy in which to increase the delegated shares.
     * @param shares The number of shares to increase.
     *
     * @dev *If the staker is actively delegated*, then increases the `staker`'s delegated shares in `strategy` by `shares`. Otherwise does nothing.
     * @dev Callable only by the StrategyManager or EigenPodManager.
     */
    function increaseDelegatedShares(
        address staker,
        IStrategy strategy,
        uint256 shares
    ) external;

    /**
     * @notice Decreases a staker's delegated share balance in a strategy.
     * @param staker The address to increase the delegated shares for their operator.
     * @param strategy The strategy in which to decrease the delegated shares.
     * @param shares The number of shares to decrease.
     *
     * @dev *If the staker is actively delegated*, then decreases the `staker`'s delegated shares in `strategy` by `shares`. Otherwise does nothing.
     * @dev Callable only by the StrategyManager or EigenPodManager.
     */
    function decreaseDelegatedShares(
        address staker,
        IStrategy strategy,
        uint256 shares
    ) external;

    /**
     * @notice returns the address of the operator that `staker` is delegated to.
     * @notice Mapping: staker => operator whom the staker is currently delegated to.
     * @dev Note that returning address(0) indicates that the staker is not actively delegated to any operator.
     */
    function delegatedTo(address staker) external view returns (address);

    /**
     * @notice Returns the OperatorDetails struct associated with an `operator`.
     */
    function operatorDetails(address operator) external view returns (OperatorDetails memory);

    /*
     * @notice Returns the earnings receiver address for an operator
     */
    function earningsReceiver(address operator) external view returns (address);

    /**
     * @notice Returns the delegationApprover account for an operator
     */
    function delegationApprover(address operator) external view returns (address);

    /**
     * @notice Returns the stakerOptOutWindowBlocks for an operator
     */
    function stakerOptOutWindowBlocks(address operator) external view returns (uint256);

    /**
     * @notice Given array of strategies, returns array of shares for the operator
     */
    function getOperatorShares(
        address operator,
        IStrategy[] memory strategies
    ) external view returns (uint256[] memory);

    /**
     * @notice Given a list of strategies, return the minimum number of blocks that must pass to withdraw
     * from all the inputted strategies. Return value is >= minWithdrawalDelayBlocks as this is the global min withdrawal delay.
     * @param strategies The strategies to check withdrawal delays for
     */
    function getWithdrawalDelay(IStrategy[] calldata strategies) external view returns (uint256);

    /**
     * @notice returns the total number of shares in `strategy` that are delegated to `operator`.
     * @notice Mapping: operator => strategy => total number of shares in the strategy delegated to the operator.
     * @dev By design, the following invariant should hold for each Strategy:
     * (operator's shares in delegation manager) = sum (shares above zero of all stakers delegated to operator)
     * = sum (delegateable shares of all stakers delegated to the operator)
     */
    function operatorShares(address operator, IStrategy strategy) external view returns (uint256);

    /**
     * @notice Returns 'true' if `staker` *is* actively delegated, and 'false' otherwise.
     */
    function isDelegated(address staker) external view returns (bool);

    /**
     * @notice Returns true is an operator has previously registered for delegation.
     */
    function isOperator(address operator) external view returns (bool);

    /// @notice Mapping: staker => number of signed delegation nonces (used in `delegateToBySignature`) from the staker that the contract has already checked
    function stakerNonce(address staker) external view returns (uint256);

    /**
     * @notice Mapping: delegationApprover => 32-byte salt => whether or not the salt has already been used by the delegationApprover.
     * @dev Salts are used in the `delegateTo` and `delegateToBySignature` functions. Note that these functions only process the delegationApprover's
     * signature + the provided salt if the operator being delegated to has specified a nonzero address as their `delegationApprover`.
     */
    function delegationApproverSaltIsSpent(address _delegationApprover, bytes32 salt) external view returns (bool);

    /**
     * @notice Minimum delay enforced by this contract for completing queued withdrawals. Measured in blocks, and adjustable by this contract's owner,
     * up to a maximum of `MAX_WITHDRAWAL_DELAY_BLOCKS`. Minimum value is 0 (i.e. no delay enforced).
     * Note that strategies each have a separate withdrawal delay, which can be greater than this value. So the minimum number of blocks that must pass
     * to withdraw a strategy is MAX(minWithdrawalDelayBlocks, strategyWithdrawalDelayBlocks[strategy])
     */
    function minWithdrawalDelayBlocks() external view returns (uint256);

    /**
     * @notice Minimum delay enforced by this contract per Strategy for completing queued withdrawals. Measured in blocks, and adjustable by this contract's owner,
     * up to a maximum of `MAX_WITHDRAWAL_DELAY_BLOCKS`. Minimum value is 0 (i.e. no delay enforced).
     */
    function strategyWithdrawalDelayBlocks(IStrategy strategy) external view returns (uint256);

    /**
     * @notice Calculates the digestHash for a `staker` to sign to delegate to an `operator`
     * @param staker The signing staker
     * @param operator The operator who is being delegated to
     * @param expiry The desired expiry time of the staker's signature
     */
    function calculateCurrentStakerDelegationDigestHash(
        address staker,
        address operator,
        uint256 expiry
    ) external view returns (bytes32);

    /**
     * @notice Calculates the digest hash to be signed and used in the `delegateToBySignature` function
     * @param staker The signing staker
     * @param _stakerNonce The nonce of the staker. In practice we use the staker's current nonce, stored at `stakerNonce[staker]`
     * @param operator The operator who is being delegated to
     * @param expiry The desired expiry time of the staker's signature
     */
    function calculateStakerDelegationDigestHash(
        address staker,
        uint256 _stakerNonce,
        address operator,
        uint256 expiry
    ) external view returns (bytes32);

    /**
     * @notice Calculates the digest hash to be signed by the operator's delegationApprove and used in the `delegateTo` and `delegateToBySignature` functions.
     * @param staker The account delegating their stake
     * @param operator The account receiving delegated stake
     * @param _delegationApprover the operator's `delegationApprover` who will be signing the delegationHash (in general)
     * @param approverSalt A unique and single use value associated with the approver signature.
     * @param expiry Time after which the approver's signature becomes invalid
     */
    function calculateDelegationApprovalDigestHash(
        address staker,
        address operator,
        address _delegationApprover,
        bytes32 approverSalt,
        uint256 expiry
    ) external view returns (bytes32);

    /// @notice The EIP-712 typehash for the contract's domain
    function DOMAIN_TYPEHASH() external view returns (bytes32);

    /// @notice The EIP-712 typehash for the StakerDelegation struct used by the contract
    function STAKER_DELEGATION_TYPEHASH() external view returns (bytes32);

    /// @notice The EIP-712 typehash for the DelegationApproval struct used by the contract
    function DELEGATION_APPROVAL_TYPEHASH() external view returns (bytes32);

    /**
     * @notice Getter function for the current EIP-712 domain separator for this contract.
     *
     * @dev The domain separator will change in the event of a fork that changes the ChainID.
     * @dev By introducing a domain separator the DApp developers are guaranteed that there can be no signature collision.
     * for more detailed information please read EIP-712.
     */
    function domainSeparator() external view returns (bytes32);
    
    /// @notice Mapping: staker => cumulative number of queued withdrawals they have ever initiated.
    /// @dev This only increments (doesn't decrement), and is used to help ensure that otherwise identical withdrawals have unique hashes.
    function cumulativeWithdrawalsQueued(address staker) external view returns (uint256);

    /// @notice Returns the keccak256 hash of `withdrawal`.
    function calculateWithdrawalRoot(Withdrawal memory withdrawal) external pure returns (bytes32);

    function migrateQueuedWithdrawals(IStrategyManager.DeprecatedStruct_QueuedWithdrawal[] memory withdrawalsToQueue) external;
}

File 34 of 111 : ISignatureUtils.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

/**
 * @title The interface for common signature utilities.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 */
interface ISignatureUtils {
    // @notice Struct that bundles together a signature and an expiration time for the signature. Used primarily for stack management.
    struct SignatureWithExpiry {
        // the signature itself, formatted as a single bytes object
        bytes signature;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }

    // @notice Struct that bundles together a signature, a salt for uniqueness, and an expiration time for the signature. Used primarily for stack management.
    struct SignatureWithSaltAndExpiry {
        // the signature itself, formatted as a single bytes object
        bytes signature;
        // the salt used to generate the signature
        bytes32 salt;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }
}

File 35 of 111 : BeaconChainProofs.sol
// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.0;

import "./Merkle.sol";
import "../libraries/Endian.sol";

//Utility library for parsing and PHASE0 beacon chain block headers
//SSZ Spec: https://github.com/ethereum/consensus-specs/blob/dev/ssz/simple-serialize.md#merkleization
//BeaconBlockHeader Spec: https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#beaconblockheader
//BeaconState Spec: https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#beaconstate
library BeaconChainProofs {
    // constants are the number of fields and the heights of the different merkle trees used in merkleizing beacon chain containers
    uint256 internal constant BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT = 3;

    uint256 internal constant BEACON_BLOCK_BODY_FIELD_TREE_HEIGHT = 4;

    uint256 internal constant BEACON_STATE_FIELD_TREE_HEIGHT = 5;

    uint256 internal constant VALIDATOR_FIELD_TREE_HEIGHT = 3;

    //Note: changed in the deneb hard fork from 4->5
    uint256 internal constant EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB = 5;
    uint256 internal constant EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA = 4;

    // SLOTS_PER_HISTORICAL_ROOT = 2**13, so tree height is 13
    uint256 internal constant BLOCK_ROOTS_TREE_HEIGHT = 13;

    //HISTORICAL_ROOTS_LIMIT = 2**24, so tree height is 24
    uint256 internal constant HISTORICAL_SUMMARIES_TREE_HEIGHT = 24;

    //Index of block_summary_root in historical_summary container
    uint256 internal constant BLOCK_SUMMARY_ROOT_INDEX = 0;

    // tree height for hash tree of an individual withdrawal container
    uint256 internal constant WITHDRAWAL_FIELD_TREE_HEIGHT = 2;

    uint256 internal constant VALIDATOR_TREE_HEIGHT = 40;

    // MAX_WITHDRAWALS_PER_PAYLOAD = 2**4, making tree height = 4
    uint256 internal constant WITHDRAWALS_TREE_HEIGHT = 4;

    //in beacon block body https://github.com/ethereum/consensus-specs/blob/dev/specs/capella/beacon-chain.md#beaconblockbody
    uint256 internal constant EXECUTION_PAYLOAD_INDEX = 9;

    // in beacon block header https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#beaconblockheader
    uint256 internal constant SLOT_INDEX = 0;
    uint256 internal constant STATE_ROOT_INDEX = 3;
    uint256 internal constant BODY_ROOT_INDEX = 4;
    // in beacon state https://github.com/ethereum/consensus-specs/blob/dev/specs/capella/beacon-chain.md#beaconstate
    uint256 internal constant VALIDATOR_TREE_ROOT_INDEX = 11;
    uint256 internal constant HISTORICAL_SUMMARIES_INDEX = 27;

    // in validator https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#validator
    uint256 internal constant VALIDATOR_PUBKEY_INDEX = 0;
    uint256 internal constant VALIDATOR_WITHDRAWAL_CREDENTIALS_INDEX = 1;
    uint256 internal constant VALIDATOR_BALANCE_INDEX = 2;
    uint256 internal constant VALIDATOR_WITHDRAWABLE_EPOCH_INDEX = 7;

    // in execution payload header
    uint256 internal constant TIMESTAMP_INDEX = 9;

    //in execution payload
    uint256 internal constant WITHDRAWALS_INDEX = 14;

    // in withdrawal
    uint256 internal constant WITHDRAWAL_VALIDATOR_INDEX_INDEX = 1;
    uint256 internal constant WITHDRAWAL_VALIDATOR_AMOUNT_INDEX = 3;

    //Misc Constants

    /// @notice The number of slots each epoch in the beacon chain
    uint64 internal constant SLOTS_PER_EPOCH = 32;

    /// @notice The number of seconds in a slot in the beacon chain
    uint64 internal constant SECONDS_PER_SLOT = 12;

    /// @notice Number of seconds per epoch: 384 == 32 slots/epoch * 12 seconds/slot 
    uint64 internal constant SECONDS_PER_EPOCH = SLOTS_PER_EPOCH * SECONDS_PER_SLOT;

    bytes8 internal constant UINT64_MASK = 0xffffffffffffffff;

    /// @notice This struct contains the merkle proofs and leaves needed to verify a partial/full withdrawal
    struct WithdrawalProof {
        bytes withdrawalProof;
        bytes slotProof;
        bytes executionPayloadProof;
        bytes timestampProof;
        bytes historicalSummaryBlockRootProof;
        uint64 blockRootIndex;
        uint64 historicalSummaryIndex;
        uint64 withdrawalIndex;
        bytes32 blockRoot;
        bytes32 slotRoot;
        bytes32 timestampRoot;
        bytes32 executionPayloadRoot;
    }

    /// @notice This struct contains the root and proof for verifying the state root against the oracle block root
    struct StateRootProof {
        bytes32 beaconStateRoot;
        bytes proof;
    }

    /**
     * @notice This function verifies merkle proofs of the fields of a certain validator against a beacon chain state root
     * @param validatorIndex the index of the proven validator
     * @param beaconStateRoot is the beacon chain state root to be proven against.
     * @param validatorFieldsProof is the data used in proving the validator's fields
     * @param validatorFields the claimed fields of the validator
     */
    function verifyValidatorFields(
        bytes32 beaconStateRoot,
        bytes32[] calldata validatorFields,
        bytes calldata validatorFieldsProof,
        uint40 validatorIndex
    ) internal view {
        require(
            validatorFields.length == 2 ** VALIDATOR_FIELD_TREE_HEIGHT,
            "BeaconChainProofs.verifyValidatorFields: Validator fields has incorrect length"
        );

        /**
         * Note: the length of the validator merkle proof is BeaconChainProofs.VALIDATOR_TREE_HEIGHT + 1.
         * There is an additional layer added by hashing the root with the length of the validator list
         */
        require(
            validatorFieldsProof.length == 32 * ((VALIDATOR_TREE_HEIGHT + 1) + BEACON_STATE_FIELD_TREE_HEIGHT),
            "BeaconChainProofs.verifyValidatorFields: Proof has incorrect length"
        );
        uint256 index = (VALIDATOR_TREE_ROOT_INDEX << (VALIDATOR_TREE_HEIGHT + 1)) | uint256(validatorIndex);
        // merkleize the validatorFields to get the leaf to prove
        bytes32 validatorRoot = Merkle.merkleizeSha256(validatorFields);

        // verify the proof of the validatorRoot against the beaconStateRoot
        require(
            Merkle.verifyInclusionSha256({
                proof: validatorFieldsProof,
                root: beaconStateRoot,
                leaf: validatorRoot,
                index: index
            }),
            "BeaconChainProofs.verifyValidatorFields: Invalid merkle proof"
        );
    }

    /**
     * @notice This function verifies the latestBlockHeader against the state root. the latestBlockHeader is
     * a tracked in the beacon state.
     * @param beaconStateRoot is the beacon chain state root to be proven against.
     * @param stateRootProof is the provided merkle proof
     * @param latestBlockRoot is hashtree root of the latest block header in the beacon state
     */
    function verifyStateRootAgainstLatestBlockRoot(
        bytes32 latestBlockRoot,
        bytes32 beaconStateRoot,
        bytes calldata stateRootProof
    ) internal view {
        require(
            stateRootProof.length == 32 * (BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT),
            "BeaconChainProofs.verifyStateRootAgainstLatestBlockRoot: Proof has incorrect length"
        );
        //Next we verify the slot against the blockRoot
        require(
            Merkle.verifyInclusionSha256({
                proof: stateRootProof,
                root: latestBlockRoot,
                leaf: beaconStateRoot,
                index: STATE_ROOT_INDEX
            }),
            "BeaconChainProofs.verifyStateRootAgainstLatestBlockRoot: Invalid latest block header root merkle proof"
        );
    }

    /**
     * @notice This function verifies the slot and the withdrawal fields for a given withdrawal
     * @param withdrawalProof is the provided set of merkle proofs
     * @param withdrawalFields is the serialized withdrawal container to be proven
     */
    function verifyWithdrawal(
        bytes32 beaconStateRoot,
        bytes32[] calldata withdrawalFields,
        WithdrawalProof calldata withdrawalProof,
        uint64 denebForkTimestamp
    ) internal view {
        require(
            withdrawalFields.length == 2 ** WITHDRAWAL_FIELD_TREE_HEIGHT,
            "BeaconChainProofs.verifyWithdrawal: withdrawalFields has incorrect length"
        );

        require(
            withdrawalProof.blockRootIndex < 2 ** BLOCK_ROOTS_TREE_HEIGHT,
            "BeaconChainProofs.verifyWithdrawal: blockRootIndex is too large"
        );
        require(
            withdrawalProof.withdrawalIndex < 2 ** WITHDRAWALS_TREE_HEIGHT,
            "BeaconChainProofs.verifyWithdrawal: withdrawalIndex is too large"
        );

        require(
            withdrawalProof.historicalSummaryIndex < 2 ** HISTORICAL_SUMMARIES_TREE_HEIGHT,
            "BeaconChainProofs.verifyWithdrawal: historicalSummaryIndex is too large"
        );

        //Note: post deneb hard fork, the number of exection payload header fields increased from 15->17, adding an extra level to the tree height
        uint256 executionPayloadHeaderFieldTreeHeight = (getWithdrawalTimestamp(withdrawalProof) < denebForkTimestamp) ? EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA : EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB;
        require(
            withdrawalProof.withdrawalProof.length ==
                32 * (executionPayloadHeaderFieldTreeHeight + WITHDRAWALS_TREE_HEIGHT + 1),
            "BeaconChainProofs.verifyWithdrawal: withdrawalProof has incorrect length"
        );
        require(
            withdrawalProof.executionPayloadProof.length ==
                32 * (BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT + BEACON_BLOCK_BODY_FIELD_TREE_HEIGHT),
            "BeaconChainProofs.verifyWithdrawal: executionPayloadProof has incorrect length"
        );
        require(
            withdrawalProof.slotProof.length == 32 * (BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT),
            "BeaconChainProofs.verifyWithdrawal: slotProof has incorrect length"
        );
        require(
            withdrawalProof.timestampProof.length == 32 * (executionPayloadHeaderFieldTreeHeight),
            "BeaconChainProofs.verifyWithdrawal: timestampProof has incorrect length"
        );

        require(
            withdrawalProof.historicalSummaryBlockRootProof.length ==
                32 *
                    (BEACON_STATE_FIELD_TREE_HEIGHT +
                        (HISTORICAL_SUMMARIES_TREE_HEIGHT + 1) +
                        1 +
                        (BLOCK_ROOTS_TREE_HEIGHT)),
            "BeaconChainProofs.verifyWithdrawal: historicalSummaryBlockRootProof has incorrect length"
        );
        /**
         * Note: Here, the "1" in "1 + (BLOCK_ROOTS_TREE_HEIGHT)" signifies that extra step of choosing the "block_root_summary" within the individual
         * "historical_summary". Everywhere else it signifies merkelize_with_mixin, where the length of an array is hashed with the root of the array,
         * but not here.
         */
        uint256 historicalBlockHeaderIndex = (HISTORICAL_SUMMARIES_INDEX <<
            ((HISTORICAL_SUMMARIES_TREE_HEIGHT + 1) + 1 + (BLOCK_ROOTS_TREE_HEIGHT))) |
            (uint256(withdrawalProof.historicalSummaryIndex) << (1 + (BLOCK_ROOTS_TREE_HEIGHT))) |
            (BLOCK_SUMMARY_ROOT_INDEX << (BLOCK_ROOTS_TREE_HEIGHT)) |
            uint256(withdrawalProof.blockRootIndex);

        require(
            Merkle.verifyInclusionSha256({
                proof: withdrawalProof.historicalSummaryBlockRootProof,
                root: beaconStateRoot,
                leaf: withdrawalProof.blockRoot,
                index: historicalBlockHeaderIndex
            }),
            "BeaconChainProofs.verifyWithdrawal: Invalid historicalsummary merkle proof"
        );

        //Next we verify the slot against the blockRoot
        require(
            Merkle.verifyInclusionSha256({
                proof: withdrawalProof.slotProof,
                root: withdrawalProof.blockRoot,
                leaf: withdrawalProof.slotRoot,
                index: SLOT_INDEX
            }),
            "BeaconChainProofs.verifyWithdrawal: Invalid slot merkle proof"
        );

        {
            // Next we verify the executionPayloadRoot against the blockRoot
            uint256 executionPayloadIndex = (BODY_ROOT_INDEX << (BEACON_BLOCK_BODY_FIELD_TREE_HEIGHT)) |
                EXECUTION_PAYLOAD_INDEX;
            require(
                Merkle.verifyInclusionSha256({
                    proof: withdrawalProof.executionPayloadProof,
                    root: withdrawalProof.blockRoot,
                    leaf: withdrawalProof.executionPayloadRoot,
                    index: executionPayloadIndex
                }),
                "BeaconChainProofs.verifyWithdrawal: Invalid executionPayload merkle proof"
            );
        }

        // Next we verify the timestampRoot against the executionPayload root
        require(
            Merkle.verifyInclusionSha256({
                proof: withdrawalProof.timestampProof,
                root: withdrawalProof.executionPayloadRoot,
                leaf: withdrawalProof.timestampRoot,
                index: TIMESTAMP_INDEX
            }),
            "BeaconChainProofs.verifyWithdrawal: Invalid timestamp merkle proof"
        );

        {
            /**
             * Next we verify the withdrawal fields against the executionPayloadRoot:
             * First we compute the withdrawal_index, then we merkleize the 
             * withdrawalFields container to calculate the withdrawalRoot.
             *
             * Note: Merkleization of the withdrawals root tree uses MerkleizeWithMixin, i.e., the length of the array is hashed with the root of
             * the array.  Thus we shift the WITHDRAWALS_INDEX over by WITHDRAWALS_TREE_HEIGHT + 1 and not just WITHDRAWALS_TREE_HEIGHT.
             */
            uint256 withdrawalIndex = (WITHDRAWALS_INDEX << (WITHDRAWALS_TREE_HEIGHT + 1)) |
                uint256(withdrawalProof.withdrawalIndex);
            bytes32 withdrawalRoot = Merkle.merkleizeSha256(withdrawalFields);
            require(
                Merkle.verifyInclusionSha256({
                    proof: withdrawalProof.withdrawalProof,
                    root: withdrawalProof.executionPayloadRoot,
                    leaf: withdrawalRoot,
                    index: withdrawalIndex
                }),
                "BeaconChainProofs.verifyWithdrawal: Invalid withdrawal merkle proof"
            );
        }
    }

    /**
     * @notice This function replicates the ssz hashing of a validator's pubkey, outlined below:
     *  hh := ssz.NewHasher()
     *  hh.PutBytes(validatorPubkey[:])
     *  validatorPubkeyHash := hh.Hash()
     *  hh.Reset()
     */
    function hashValidatorBLSPubkey(bytes memory validatorPubkey) internal pure returns (bytes32 pubkeyHash) {
        require(validatorPubkey.length == 48, "Input should be 48 bytes in length");
        return sha256(abi.encodePacked(validatorPubkey, bytes16(0)));
    }

    /**
     * @dev Retrieve the withdrawal timestamp
     */
    function getWithdrawalTimestamp(WithdrawalProof memory withdrawalProof) internal pure returns (uint64) {
        return
            Endian.fromLittleEndianUint64(withdrawalProof.timestampRoot);
    }

    /**
     * @dev Converts the withdrawal's slot to an epoch
     */
    function getWithdrawalEpoch(WithdrawalProof memory withdrawalProof) internal pure returns (uint64) {
        return
            Endian.fromLittleEndianUint64(withdrawalProof.slotRoot) / SLOTS_PER_EPOCH;
    }

    /**
     * Indices for validator fields (refer to consensus specs):
     * 0: pubkey
     * 1: withdrawal credentials
     * 2: effective balance
     * 3: slashed?
     * 4: activation elligibility epoch
     * 5: activation epoch
     * 6: exit epoch
     * 7: withdrawable epoch
     */

    /**
     * @dev Retrieves a validator's pubkey hash
     */
    function getPubkeyHash(bytes32[] memory validatorFields) internal pure returns (bytes32) {
        return 
            validatorFields[VALIDATOR_PUBKEY_INDEX];
    }

    function getWithdrawalCredentials(bytes32[] memory validatorFields) internal pure returns (bytes32) {
        return
            validatorFields[VALIDATOR_WITHDRAWAL_CREDENTIALS_INDEX];
    }

    /**
     * @dev Retrieves a validator's effective balance (in gwei)
     */
    function getEffectiveBalanceGwei(bytes32[] memory validatorFields) internal pure returns (uint64) {
        return 
            Endian.fromLittleEndianUint64(validatorFields[VALIDATOR_BALANCE_INDEX]);
    }

    /**
     * @dev Retrieves a validator's withdrawable epoch
     */
    function getWithdrawableEpoch(bytes32[] memory validatorFields) internal pure returns (uint64) {
        return 
            Endian.fromLittleEndianUint64(validatorFields[VALIDATOR_WITHDRAWABLE_EPOCH_INDEX]);
    }

    /**
     * Indices for withdrawal fields (refer to consensus specs):
     * 0: withdrawal index
     * 1: validator index
     * 2: execution address
     * 3: withdrawal amount
     */

    /**
     * @dev Retrieves a withdrawal's validator index
     */
    function getValidatorIndex(bytes32[] memory withdrawalFields) internal pure returns (uint40) {
        return 
            uint40(Endian.fromLittleEndianUint64(withdrawalFields[WITHDRAWAL_VALIDATOR_INDEX_INDEX]));
    }

    /**
     * @dev Retrieves a withdrawal's withdrawal amount (in gwei)
     */
    function getWithdrawalAmountGwei(bytes32[] memory withdrawalFields) internal pure returns (uint64) {
        return
            Endian.fromLittleEndianUint64(withdrawalFields[WITHDRAWAL_VALIDATOR_AMOUNT_INDEX]);
    }
}

File 36 of 111 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

File 37 of 111 : IRegistryCoordinator.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.12;

import {IBLSApkRegistry} from "./IBLSApkRegistry.sol";
import {IStakeRegistry} from "./IStakeRegistry.sol";
import {IIndexRegistry} from "./IIndexRegistry.sol";
import {BN254} from "../libraries/BN254.sol";

/**
 * @title Interface for a contract that coordinates between various registries for an AVS.
 * @author Layr Labs, Inc.
 */
interface IRegistryCoordinator {
    // EVENTS

    /// Emits when an operator is registered
    event OperatorRegistered(address indexed operator, bytes32 indexed operatorId);

    /// Emits when an operator is deregistered
    event OperatorDeregistered(address indexed operator, bytes32 indexed operatorId);

    event OperatorSetParamsUpdated(uint8 indexed quorumNumber, OperatorSetParam operatorSetParams);

    event ChurnApproverUpdated(address prevChurnApprover, address newChurnApprover);

    event EjectorUpdated(address prevEjector, address newEjector);

    /// @notice emitted when all the operators for a quorum are updated at once
    event QuorumBlockNumberUpdated(uint8 indexed quorumNumber, uint256 blocknumber);

    // DATA STRUCTURES
    enum OperatorStatus
    {
        // default is NEVER_REGISTERED
        NEVER_REGISTERED,
        REGISTERED,
        DEREGISTERED
    }

    // STRUCTS

    /**
     * @notice Data structure for storing info on operators
     */
    struct OperatorInfo {
        // the id of the operator, which is likely the keccak256 hash of the operator's public key if using BLSRegistry
        bytes32 operatorId;
        // indicates whether the operator is actively registered for serving the middleware or not
        OperatorStatus status;
    }

    /**
     * @notice Data structure for storing info on quorum bitmap updates where the `quorumBitmap` is the bitmap of the 
     * quorums the operator is registered for starting at (inclusive)`updateBlockNumber` and ending at (exclusive) `nextUpdateBlockNumber`
     * @dev nextUpdateBlockNumber is initialized to 0 for the latest update
     */
    struct QuorumBitmapUpdate {
        uint32 updateBlockNumber;
        uint32 nextUpdateBlockNumber;
        uint192 quorumBitmap;
    }

    /**
     * @notice Data structure for storing operator set params for a given quorum. Specifically the 
     * `maxOperatorCount` is the maximum number of operators that can be registered for the quorum,
     * `kickBIPsOfOperatorStake` is the basis points of a new operator needs to have of an operator they are trying to kick from the quorum,
     * and `kickBIPsOfTotalStake` is the basis points of the total stake of the quorum that an operator needs to be below to be kicked.
     */ 
     struct OperatorSetParam {
        uint32 maxOperatorCount;
        uint16 kickBIPsOfOperatorStake;
        uint16 kickBIPsOfTotalStake;
    }

    /**
     * @notice Data structure for the parameters needed to kick an operator from a quorum with number `quorumNumber`, used during registration churn.
     * `operator` is the address of the operator to kick
     */
    struct OperatorKickParam {
        uint8 quorumNumber;
        address operator;
    }

    /// @notice Returns the operator set params for the given `quorumNumber`
    function getOperatorSetParams(uint8 quorumNumber) external view returns (OperatorSetParam memory);
    /// @notice the Stake registry contract that will keep track of operators' stakes
    function stakeRegistry() external view returns (IStakeRegistry);
    /// @notice the BLS Aggregate Pubkey Registry contract that will keep track of operators' BLS aggregate pubkeys per quorum
    function blsApkRegistry() external view returns (IBLSApkRegistry);
    /// @notice the index Registry contract that will keep track of operators' indexes
    function indexRegistry() external view returns (IIndexRegistry);

    /**
     * @notice Ejects the provided operator from the provided quorums from the AVS
     * @param operator is the operator to eject
     * @param quorumNumbers are the quorum numbers to eject the operator from
     */
    function ejectOperator(
        address operator, 
        bytes calldata quorumNumbers
    ) external;

    /// @notice Returns the number of quorums the registry coordinator has created
    function quorumCount() external view returns (uint8);

    /// @notice Returns the operator struct for the given `operator`
    function getOperator(address operator) external view returns (OperatorInfo memory);

    /// @notice Returns the operatorId for the given `operator`
    function getOperatorId(address operator) external view returns (bytes32);

    /// @notice Returns the operator address for the given `operatorId`
    function getOperatorFromId(bytes32 operatorId) external view returns (address operator);

    /// @notice Returns the status for the given `operator`
    function getOperatorStatus(address operator) external view returns (IRegistryCoordinator.OperatorStatus);

    /// @notice Returns the indices of the quorumBitmaps for the provided `operatorIds` at the given `blockNumber`
    function getQuorumBitmapIndicesAtBlockNumber(uint32 blockNumber, bytes32[] memory operatorIds) external view returns (uint32[] memory);

    /**
     * @notice Returns the quorum bitmap for the given `operatorId` at the given `blockNumber` via the `index`
     * @dev reverts if `index` is incorrect 
     */ 
    function getQuorumBitmapAtBlockNumberByIndex(bytes32 operatorId, uint32 blockNumber, uint256 index) external view returns (uint192);

    /// @notice Returns the `index`th entry in the operator with `operatorId`'s bitmap history
    function getQuorumBitmapUpdateByIndex(bytes32 operatorId, uint256 index) external view returns (QuorumBitmapUpdate memory);

    /// @notice Returns the current quorum bitmap for the given `operatorId`
    function getCurrentQuorumBitmap(bytes32 operatorId) external view returns (uint192);

    /// @notice Returns the length of the quorum bitmap history for the given `operatorId`
    function getQuorumBitmapHistoryLength(bytes32 operatorId) external view returns (uint256);

    /// @notice Returns the registry at the desired index
    function registries(uint256) external view returns (address);

    /// @notice Returns the number of registries
    function numRegistries() external view returns (uint256);

    /**
     * @notice Returns the message hash that an operator must sign to register their BLS public key.
     * @param operator is the address of the operator registering their BLS public key
     */
    function pubkeyRegistrationMessageHash(address operator) external view returns (BN254.G1Point memory);

    /// @notice returns the blocknumber the quorum was last updated all at once for all operators
    function quorumUpdateBlockNumber(uint8 quorumNumber) external view returns (uint256);

    /// @notice The owner of the registry coordinator
    function owner() external view returns (address);
}

File 38 of 111 : IPufferOracle.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @title IPufferOracle
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferOracle {
    /**
     * @notice Thrown if the new ValidatorTicket mint price is invalid
     */
    error InvalidValidatorTicketPrice();

    /**
     * @notice Emitted when the price to mint ValidatorTicket is updated
     * @dev Signature "0xf76811fec27423d0853e6bf49d7ea78c666629c2f67e29647d689954021ae0ea"
     */
    event ValidatorTicketMintPriceUpdated(uint256 oldPrice, uint256 newPrice);

    /**
     * @notice Retrieves the current mint price for minting one ValidatorTicket
     * @return pricePerVT The current ValidatorTicket mint price
     */
    function getValidatorTicketPrice() external view returns (uint256 pricePerVT);

    /**
     * @notice Returns true if the number of active Puffer Validators is over the burst threshold
     */
    function isOverBurstThreshold() external view returns (bool);

    /**
     * @notice Returns the locked ETH amount
     * @return lockedEthAmount The amount of ETH locked in Beacon chain
     */
    function getLockedEthAmount() external view returns (uint256 lockedEthAmount);
}

File 39 of 111 : RaveEvidence.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

struct RaveEvidence {
    // Preprocessed remote attestation report
    bytes report;
    // Preprocessed RSA signature over the report
    bytes signature;
    // The hash of a whitelisted Intel-signed leaf x509 certificate
    bytes32 leafX509CertDigest;
}

File 40 of 111 : EnclaveVerifier.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { RAVE } from "rave/RAVE.sol";
import { X509Verifier } from "rave/X509Verifier.sol";
import { IEnclaveVerifier } from "puffer/interface/IEnclaveVerifier.sol";
import { RaveEvidence } from "puffer/struct/RaveEvidence.sol";
import { AccessManaged } from "openzeppelin/access/manager/AccessManaged.sol";
import { InvalidAddress } from "puffer/Errors.sol";

/**
 * @title EnclaveVerifier
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
contract EnclaveVerifier is IEnclaveVerifier, AccessManaged, RAVE {
    /**
     * @dev RSA Public key for Intel: https://api.portal.trustedservices.intel.com/content/documentation.html
     */
    bytes internal constant _INTEL_RSA_MODULUS =
        hex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
    bytes internal constant _INTEL_EXPONENT = hex"010001";

    /**
     * @notice Freshness number of blocks
     */
    uint256 public immutable FRESHNESS_BLOCKS;

    /**
     * @dev Mapping from keccak'd leaf x509 to RSA pub key components
     * leafHash -> pubKey
     */
    mapping(bytes32 leafHash => RSAPubKey pubKey) internal _validLeafX509s;

    constructor(uint256 freshnessBlocks, address accessManager) AccessManaged(accessManager) {
        if (address(accessManager) == address(0)) {
            revert InvalidAddress();
        }
        FRESHNESS_BLOCKS = freshnessBlocks;
    }

    /**
     * @inheritdoc IEnclaveVerifier
     */
    function getIntelRootCAPubKey() external pure returns (RSAPubKey memory) {
        return RSAPubKey({ modulus: _INTEL_RSA_MODULUS, exponent: _INTEL_EXPONENT });
    }

    /**
     * @inheritdoc IEnclaveVerifier
     */
    function addLeafX509(bytes calldata leafX509Cert) external {
        (bytes memory leafCertModulus, bytes memory leafCertExponent) =
            X509Verifier.verifySignedX509(leafX509Cert, _INTEL_RSA_MODULUS, _INTEL_EXPONENT);

        bytes32 hashedCert = keccak256(leafX509Cert);

        _validLeafX509s[hashedCert] = RSAPubKey({ modulus: leafCertModulus, exponent: leafCertExponent });

        emit AddedPubKey(hashedCert);
    }

    /**
     * @notice Removes a whitelisted leaf x509 RSA public key
     */
    function removeLeafX509(bytes32 hashedCert) external restricted {
        delete _validLeafX509s[hashedCert].modulus;
        delete _validLeafX509s[hashedCert].exponent;
        emit RemovedPubKey(hashedCert);
    }

    /**
     * @inheritdoc IEnclaveVerifier
     */
    function verifyEvidence(
        uint256 blockNumber,
        bytes32 raveCommitment,
        RaveEvidence calldata evidence,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) external view returns (bool) {
        // Check for freshness
        if ((block.number - blockNumber) > FRESHNESS_BLOCKS) {
            revert StaleEvidence();
        }

        RSAPubKey memory leafX509 = _validLeafX509s[evidence.leafX509CertDigest];

        // Recover a remote attestation payload if everything is valid
        bytes memory recoveredPayload = verifyRemoteAttestation({
            report: evidence.report,
            sig: evidence.signature,
            signingMod: leafX509.modulus,
            signingExp: leafX509.exponent,
            mrenclave: mrenclave,
            mrsigner: mrsigner
        });

        // Remote attestation payloads are expected to be in the form (32B_Commitment || 32B_BlockHash)
        bytes memory expectedPayload = abi.encode(raveCommitment, blockhash(blockNumber));

        // Compare with the expected payload
        return (keccak256(expectedPayload) == keccak256(recoveredPayload));
    }
}

File 41 of 111 : PufferVault.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferVault } from "./interface/IPufferVault.sol";
import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { IStETH } from "./interface/Lido/IStETH.sol";
import { ILidoWithdrawalQueue } from "./interface/Lido/ILidoWithdrawalQueue.sol";
import { IEigenLayer } from "./interface/EigenLayer/IEigenLayer.sol";
import { IStrategy } from "./interface/EigenLayer/IStrategy.sol";
import { PufferVaultStorage } from "./PufferVaultStorage.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { IERC721Receiver } from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import { UUPSUpgradeable } from "@openzeppelin-contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import { AccessManagedUpgradeable } from
    "@openzeppelin-contracts-upgradeable/access/manager/AccessManagedUpgradeable.sol";
import { ERC4626Upgradeable } from "@openzeppelin-contracts-upgradeable/token/ERC20/extensions/ERC4626Upgradeable.sol";
import { ERC20Upgradeable } from "@openzeppelin-contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import { ERC20PermitUpgradeable } from
    "@openzeppelin-contracts-upgradeable/token/ERC20/extensions/ERC20PermitUpgradeable.sol";

/**
 * @title PufferVault
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
contract PufferVault is
    IPufferVault,
    IERC721Receiver,
    PufferVaultStorage,
    AccessManagedUpgradeable,
    ERC20PermitUpgradeable,
    ERC4626Upgradeable,
    UUPSUpgradeable
{
    using EnumerableSet for EnumerableSet.Bytes32Set;
    using EnumerableSet for EnumerableSet.UintSet;
    using SafeERC20 for address;

    /**
     * @dev EigenLayer stETH strategy
     */
    IStrategy internal immutable _EIGEN_STETH_STRATEGY;
    /**
     * @dev EigenLayer Strategy Manager
     */
    IEigenLayer internal immutable _EIGEN_STRATEGY_MANAGER;
    /**
     * @dev stETH contract
     */
    IStETH internal immutable _ST_ETH;
    /**
     * @dev Lido Withdrawal Queue
     */
    ILidoWithdrawalQueue internal immutable _LIDO_WITHDRAWAL_QUEUE;

    constructor(
        IStETH stETH,
        ILidoWithdrawalQueue lidoWithdrawalQueue,
        IStrategy stETHStrategy,
        IEigenLayer eigenStrategyManager
    ) payable {
        _ST_ETH = stETH;
        _LIDO_WITHDRAWAL_QUEUE = lidoWithdrawalQueue;
        _EIGEN_STETH_STRATEGY = stETHStrategy;
        _EIGEN_STRATEGY_MANAGER = eigenStrategyManager;
        _disableInitializers();
    }

    function initialize(address accessManager) external initializer {
        __AccessManaged_init(accessManager);
        __ERC20Permit_init("pufETH");
        __ERC4626_init(_ST_ETH);
        __ERC20_init("pufETH", "pufETH");
    }

    // solhint-disable-next-line no-complex-fallback
    receive() external payable virtual {
        // If we don't use this pattern, somebody can create a Lido withdrawal, claim it to this contract
        // Making `$.lidoLockedETH -= msg.value` revert
        VaultStorage storage $ = _getPufferVaultStorage();
        if ($.isLidoWithdrawal) {
            $.lidoLockedETH -= msg.value;
        }
    }

    /**
     * @inheritdoc ERC4626Upgradeable
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function deposit(uint256 assets, address receiver) public virtual override restricted returns (uint256) {
        return super.deposit(assets, receiver);
    }

    /**
     * @inheritdoc ERC4626Upgradeable
     * @dev Restricted in this context is like `whenNotPaused` modifier from Pausable.sol
     */
    function mint(uint256 shares, address receiver) public virtual override restricted returns (uint256) {
        return super.mint(shares, receiver);
    }

    /**
     * @notice Claims ETH withdrawals from Lido
     * @param requestIds An array of request IDs for the withdrawals
     */
    function claimWithdrawalsFromLido(uint256[] calldata requestIds) external virtual {
        VaultStorage storage $ = _getPufferVaultStorage();

        // Tell our receive() that we are doing a Lido claim
        $.isLidoWithdrawal = true;

        for (uint256 i = 0; i < requestIds.length; ++i) {
            bool isValidWithdrawal = $.lidoWithdrawals.remove(requestIds[i]);
            if (!isValidWithdrawal) {
                revert InvalidWithdrawal();
            }

            // slither-disable-next-line calls-loop
            _LIDO_WITHDRAWAL_QUEUE.claimWithdrawal(requestIds[i]);
        }

        // Reset back the value
        $.isLidoWithdrawal = false;
        emit ClaimedWithdrawals(requestIds);
    }

    /**
     * @notice Not allowed
     */
    function redeem(uint256, address, address) public virtual override returns (uint256) {
        revert WithdrawalsAreDisabled();
    }

    /**
     * @notice Not allowed
     */
    function withdraw(uint256, address, address) public virtual override returns (uint256) {
        revert WithdrawalsAreDisabled();
    }

    /**
     * @dev See {IERC4626-totalAssets}.
     * Eventually, stETH will not be part of this vault anymore, and the Vault(pufETH) will represent shares of total ETH holdings
     * Because stETH is a rebasing token, its ratio with ETH is 1:1
     * Because of that our ETH holdings backing the system are:
     * stETH balance of this vault + stETH balance locked in EigenLayer + stETH balance that is the process of withdrawal from Lido
     * + ETH balance of this vault
     */
    function totalAssets() public view virtual override returns (uint256) {
        return _ST_ETH.balanceOf(address(this)) + getELBackingEthAmount() + getPendingLidoETHAmount()
            + address(this).balance;
    }

    /**
     * @notice Returns the ETH amount that is backing this vault locked in EigenLayer stETH strategy
     */
    function getELBackingEthAmount() public view virtual returns (uint256 ethAmount) {
        VaultStorage storage $ = _getPufferVaultStorage();
        // When we initiate withdrawal from EigenLayer, the shares are deducted from the `lockedAmount`
        // In that case the locked amount goes to 0 and the pendingWithdrawalAmount increases
        uint256 lockedAmount = _EIGEN_STETH_STRATEGY.userUnderlyingView(address(this));
        uint256 pendingWithdrawalAmount =
            _EIGEN_STETH_STRATEGY.sharesToUnderlyingView($.eigenLayerPendingWithdrawalSharesAmount);
        return lockedAmount + pendingWithdrawalAmount;
    }

    /**
     * @notice Returns the amount of ETH that is pending withdrawal from Lido
     * @return The amount of ETH pending withdrawal
     */
    function getPendingLidoETHAmount() public view virtual returns (uint256) {
        VaultStorage storage $ = _getPufferVaultStorage();
        return $.lidoLockedETH;
    }

    /**
     * @notice Deposits stETH into `stETH EigenLayer strategy`
     * Restricted access
     * @param amount the amount of stETH to deposit
     */
    function depositToEigenLayer(uint256 amount) external virtual restricted {
        SafeERC20.safeIncreaseAllowance(_ST_ETH, address(_EIGEN_STRATEGY_MANAGER), amount);
        _EIGEN_STRATEGY_MANAGER.depositIntoStrategy({ strategy: _EIGEN_STETH_STRATEGY, token: _ST_ETH, amount: amount });
    }

    /**
     * @notice Initiates stETH withdrawals from EigenLayer
     * Restricted access
     * @param sharesToWithdraw An amount of EigenLayer shares that we want to queue
     */
    function initiateStETHWithdrawalFromEigenLayer(uint256 sharesToWithdraw) external virtual restricted {
        VaultStorage storage $ = _getPufferVaultStorage();

        IStrategy[] memory strategies = new IStrategy[](1);
        strategies[0] = IStrategy(_EIGEN_STETH_STRATEGY);

        uint256[] memory shares = new uint256[](1);
        shares[0] = sharesToWithdraw;

        // Account for the shares
        $.eigenLayerPendingWithdrawalSharesAmount += sharesToWithdraw;

        bytes32 withdrawalRoot = _EIGEN_STRATEGY_MANAGER.queueWithdrawal({
            strategyIndexes: new uint256[](1), // [0]
            strategies: strategies,
            shares: shares,
            withdrawer: address(this),
            undelegateIfPossible: true
        });

        $.eigenLayerWithdrawals.add(withdrawalRoot);
    }

    /**
     * @notice Claims stETH withdrawals from EigenLayer
     * Restricted access
     * @param queuedWithdrawal The queued withdrawal details
     * @param tokens The tokens to be withdrawn
     * @param middlewareTimesIndex The index of middleware times
     */
    function claimWithdrawalFromEigenLayer(
        IEigenLayer.QueuedWithdrawal calldata queuedWithdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex
    ) external virtual {
        VaultStorage storage $ = _getPufferVaultStorage();

        bytes32 withdrawalRoot = _EIGEN_STRATEGY_MANAGER.calculateWithdrawalRoot(queuedWithdrawal);
        bool isValidWithdrawal = $.eigenLayerWithdrawals.remove(withdrawalRoot);
        if (!isValidWithdrawal) {
            revert InvalidWithdrawal();
        }

        $.eigenLayerPendingWithdrawalSharesAmount -= queuedWithdrawal.shares[0];

        _EIGEN_STRATEGY_MANAGER.completeQueuedWithdrawal({
            queuedWithdrawal: queuedWithdrawal,
            tokens: tokens,
            middlewareTimesIndex: middlewareTimesIndex,
            receiveAsTokens: true
        });
    }

    /**
     * @notice Initiates ETH withdrawals from Lido
     * Restricted access
     * @param amounts An array of amounts that we want to queue
     */
    function initiateETHWithdrawalsFromLido(uint256[] calldata amounts)
        external
        virtual
        restricted
        returns (uint256[] memory requestIds)
    {
        VaultStorage storage $ = _getPufferVaultStorage();

        uint256 lockedAmount;
        for (uint256 i = 0; i < amounts.length; ++i) {
            lockedAmount += amounts[i];
        }
        $.lidoLockedETH += lockedAmount;

        SafeERC20.safeIncreaseAllowance(_ST_ETH, address(_LIDO_WITHDRAWAL_QUEUE), lockedAmount);
        requestIds = _LIDO_WITHDRAWAL_QUEUE.requestWithdrawals(amounts, address(this));

        for (uint256 i = 0; i < requestIds.length; ++i) {
            $.lidoWithdrawals.add(requestIds[i]);
        }
        emit RequestedWithdrawals(requestIds);
        return requestIds;
    }

    /**
     * @notice Required by the ERC721 Standard
     */
    function onERC721Received(address, address, uint256, bytes calldata) external virtual returns (bytes4) {
        return IERC721Receiver.onERC721Received.selector;
    }

    /**
     * @notice Returns the number of decimals used to get its user representation.
     */
    function decimals() public pure override(ERC20Upgradeable, ERC4626Upgradeable) returns (uint8) {
        return 18;
    }

    /**
     * @dev Authorizes an upgrade to a new implementation
     * Restricted access
     * @param newImplementation The address of the new implementation
     */
    // slither-disable-next-line dead-code
    function _authorizeUpgrade(address newImplementation) internal virtual override restricted { }
}

File 42 of 111 : IStETH.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";

interface IStETH is IERC20 {
    /**
     * @return the amount of Ether that corresponds to `_sharesAmount` token shares.
     */
    function getPooledEthByShares(uint256 _sharesAmount) external view returns (uint256);

    /**
     * @return the amount of shares that corresponds to `_ethAmount` protocol-controlled Ether.
     */
    function getSharesByPooledEth(uint256 _pooledEthAmount) external view returns (uint256);

    function getTotalPooledEther() external view returns (uint256);

    function transferShares(address _recipient, uint256 _sharesAmount) external returns (uint256);

    function transferSharesFrom(address _sender, address _recipient, uint256 _sharesAmount)
        external
        returns (uint256);

    /**
     * @return the amount of tokens in existence.
     *
     * @dev Always equals to `_getTotalPooledEther()` since token amount
     * is pegged to the total amount of Ether controlled by the protocol.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Process user deposit, mints liquid tokens and increase the pool buffer
     * @param _referral address of referral.
     * @return amount of StETH shares generated
     */
    function submit(address _referral) external payable returns (uint256);

    /**
     * @notice Returns the number of shares owned by `_account`
     */
    function sharesOf(address _account) external view returns (uint256);
}

File 43 of 111 : ILidoWithdrawalQueue.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * ILidoWithdrawalQueue
 */
interface ILidoWithdrawalQueue {
    function requestWithdrawals(uint256[] calldata _amounts, address _owner)
        external
        returns (uint256[] memory requestIds);

    function claimWithdrawal(uint256 _requestId) external;
}

File 44 of 111 : IEigenLayer.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { IStrategy } from "./IStrategy.sol";

interface IEigenLayer {
    /**
     * packed struct for queued withdrawals; helps deal with stack-too-deep errors
     */
    struct WithdrawerAndNonce {
        address withdrawer;
        uint96 nonce;
    }
    /**
     * Struct type used to specify an existing queued withdrawal. Rather than storing the entire struct, only a hash is stored.
     * In functions that operate on existing queued withdrawals -- e.g. `startQueuedWithdrawalWaitingPeriod` or `completeQueuedWithdrawal`,
     * the data is resubmitted and the hash of the submitted data is computed by `calculateWithdrawalRoot` and checked against the
     * stored hash in order to confirm the integrity of the submitted data.
     */

    struct QueuedWithdrawal {
        IStrategy[] strategies;
        uint256[] shares;
        address depositor;
        WithdrawerAndNonce withdrawerAndNonce;
        uint32 withdrawalStartBlock;
        address delegatedAddress;
    }

    function depositIntoStrategy(IStrategy strategy, IERC20 token, uint256 amount) external returns (uint256 shares);

    function stakerStrategyShares(address staker, IStrategy strategy) external view returns (uint256 shares);

    function queueWithdrawal(
        uint256[] calldata strategyIndexes,
        IStrategy[] calldata strategies,
        uint256[] calldata shares,
        address withdrawer,
        bool undelegateIfPossible
    ) external returns (bytes32);

    function completeQueuedWithdrawal(
        QueuedWithdrawal calldata queuedWithdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex,
        bool receiveAsTokens
    ) external;

    function calculateWithdrawalRoot(QueuedWithdrawal memory queuedWithdrawal) external pure returns (bytes32);
}

File 45 of 111 : IStrategy.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

interface IStrategy {
    /**
     * @notice Returns the amount of underlying tokens for `user`
     */
    function userUnderlying(address user) external view returns (uint256);

    /**
     * @notice Returns the amount of underlying tokens for `user`
     */
    function userUnderlyingView(address user) external view returns (uint256);

    /**
     * @notice Used to convert a number of shares to the equivalent amount of underlying tokens for this strategy.
     * @notice In contrast to `sharesToUnderlying`, this function guarantees no state modifications
     * @param amountShares is the amount of shares to calculate its conversion into the underlying token
     * @return The amount of shares corresponding to the input `amountUnderlying`
     * @dev Implementation for these functions in particular may vary significantly for different strategies
     */
    function sharesToUnderlyingView(uint256 amountShares) external view returns (uint256);
}

File 46 of 111 : IDelegationManager.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { IStrategy } from "./IStrategy.sol";

interface IDelegationManager {
    // @notice Struct used for storing information about a single operator who has registered with EigenLayer
    struct OperatorDetails {
        // @notice address to receive the rewards that the operator earns via serving applications built on EigenLayer.
        address earningsReceiver;
        /**
         * @notice Address to verify signatures when a staker wishes to delegate to the operator, as well as controlling "forced undelegations".
         * @dev Signature verification follows these rules:
         * 1) If this address is left as address(0), then any staker will be free to delegate to the operator, i.e. no signature verification will be performed.
         * 2) If this address is an EOA (i.e. it has no code), then we follow standard ECDSA signature verification for delegations to the operator.
         * 3) If this address is a contract (i.e. it has code) then we forward a call to the contract and verify that it returns the correct EIP-1271 "magic value".
         */
        address delegationApprover;
        /**
         * @notice A minimum delay -- measured in blocks -- enforced between:
         * 1) the operator signalling their intent to register for a service, via calling `Slasher.optIntoSlashing`
         * and
         * 2) the operator completing registration for the service, via the service ultimately calling `Slasher.recordFirstStakeUpdate`
         * @dev note that for a specific operator, this value *cannot decrease*, i.e. if the operator wishes to modify their OperatorDetails,
         * then they are only allowed to either increase this value or keep it the same.
         */
        uint32 stakerOptOutWindowBlocks;
    }

    /**
     * @notice Abstract struct used in calculating an EIP712 signature for a staker to approve that they (the staker themselves) delegate to a specific operator.
     * @dev Used in computing the `STAKER_DELEGATION_TYPEHASH` and as a reference in the computation of the stakerDigestHash in the `delegateToBySignature` function.
     */
    struct StakerDelegation {
        // the staker who is delegating
        address staker;
        // the operator being delegated to
        address operator;
        // the staker's nonce
        uint256 nonce;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }

    /**
     * @notice Abstract struct used in calculating an EIP712 signature for an operator's delegationApprover to approve that a specific staker delegate to the operator.
     * @dev Used in computing the `DELEGATION_APPROVAL_TYPEHASH` and as a reference in the computation of the approverDigestHash in the `_delegate` function.
     */
    struct DelegationApproval {
        // the staker who is delegating
        address staker;
        // the operator being delegated to
        address operator;
        // the operator's provided salt
        bytes32 salt;
        // the expiration timestamp (UTC) of the signature
        uint256 expiry;
    }

    /**
     * Struct type used to specify an existing queued withdrawal. Rather than storing the entire struct, only a hash is stored.
     * In functions that operate on existing queued withdrawals -- e.g. completeQueuedWithdrawal`, the data is resubmitted and the hash of the submitted
     * data is computed by `calculateWithdrawalRoot` and checked against the stored hash in order to confirm the integrity of the submitted data.
     */
    struct Withdrawal {
        // The address that originated the Withdrawal
        address staker;
        // The address that the staker was delegated to at the time that the Withdrawal was created
        address delegatedTo;
        // The address that can complete the Withdrawal + will receive funds when completing the withdrawal
        address withdrawer;
        // Nonce used to guarantee that otherwise identical withdrawals have unique hashes
        uint256 nonce;
        // Block number when the Withdrawal was created
        uint32 startBlock;
        // Array of strategies that the Withdrawal contains
        IStrategy[] strategies;
        // Array containing the amount of shares in each Strategy in the `strategies` array
        uint256[] shares;
    }

    struct QueuedWithdrawalParams {
        // Array of strategies that the QueuedWithdrawal contains
        IStrategy[] strategies;
        // Array containing the amount of shares in each Strategy in the `strategies` array
        uint256[] shares;
        // The address of the withdrawer
        address withdrawer;
    }

    // @notice Emitted when a new operator registers in EigenLayer and provides their OperatorDetails.
    event OperatorRegistered(address indexed operator, OperatorDetails operatorDetails);

    /// @notice Emitted when an operator updates their OperatorDetails to @param newOperatorDetails
    event OperatorDetailsModified(address indexed operator, OperatorDetails newOperatorDetails);

    /**
     * @notice Emitted when @param operator indicates that they are updating their MetadataURI string
     * @dev Note that these strings are *never stored in storage* and are instead purely emitted in events for off-chain indexing
     */
    event OperatorMetadataURIUpdated(address indexed operator, string metadataURI);

    /// @notice Emitted whenever an operator's shares are increased for a given strategy. Note that shares is the delta in the operator's shares.
    event OperatorSharesIncreased(address indexed operator, address staker, IStrategy strategy, uint256 shares);

    /// @notice Emitted whenever an operator's shares are decreased for a given strategy. Note that shares is the delta in the operator's shares.
    event OperatorSharesDecreased(address indexed operator, address staker, IStrategy strategy, uint256 shares);

    /// @notice Emitted when @param staker delegates to @param operator.
    event StakerDelegated(address indexed staker, address indexed operator);

    /// @notice Emitted when @param staker undelegates from @param operator.
    event StakerUndelegated(address indexed staker, address indexed operator);

    /// @notice Emitted when @param staker is undelegated via a call not originating from the staker themself
    event StakerForceUndelegated(address indexed staker, address indexed operator);

    /**
     * @notice Emitted when a new withdrawal is queued.
     * @param withdrawalRoot Is the hash of the `withdrawal`.
     * @param withdrawal Is the withdrawal itself.
     */
    event WithdrawalQueued(bytes32 withdrawalRoot, Withdrawal withdrawal);

    /// @notice Emitted when a queued withdrawal is completed
    event WithdrawalCompleted(bytes32 withdrawalRoot);

    /// @notice Emitted when a queued withdrawal is *migrated* from the StrategyManager to the DelegationManager
    event WithdrawalMigrated(bytes32 oldWithdrawalRoot, bytes32 newWithdrawalRoot);

    /// @notice Emitted when the `minWithdrawalDelayBlocks` variable is modified from `previousValue` to `newValue`.
    event MinWithdrawalDelayBlocksSet(uint256 previousValue, uint256 newValue);

    /// @notice Emitted when the `strategyWithdrawalDelayBlocks` variable is modified from `previousValue` to `newValue`.
    event StrategyWithdrawalDelayBlocksSet(IStrategy strategy, uint256 previousValue, uint256 newValue);

    /**
     * Allows a staker to withdraw some shares. Withdrawn shares/strategies are immediately removed
     * from the staker. If the staker is delegated, withdrawn shares/strategies are also removed from
     * their operator.
     *
     * All withdrawn shares/strategies are placed in a queue and can be fully withdrawn after a delay.
     */
    function queueWithdrawals(QueuedWithdrawalParams[] calldata queuedWithdrawalParams)
        external
        returns (bytes32[] memory);

    /**
     * @notice Used to complete the specified `withdrawal`. The caller must match `withdrawal.withdrawer`
     * @param withdrawal The Withdrawal to complete.
     * @param tokens Array in which the i-th entry specifies the `token` input to the 'withdraw' function of the i-th Strategy in the `withdrawal.strategies` array.
     * This input can be provided with zero length if `receiveAsTokens` is set to 'false' (since in that case, this input will be unused)
     * @param middlewareTimesIndex is the index in the operator that the staker who triggered the withdrawal was delegated to's middleware times array
     * @param receiveAsTokens If true, the shares specified in the withdrawal will be withdrawn from the specified strategies themselves
     * and sent to the caller, through calls to `withdrawal.strategies[i].withdraw`. If false, then the shares in the specified strategies
     * will simply be transferred to the caller directly.
     * @dev middlewareTimesIndex should be calculated off chain before calling this function by finding the first index that satisfies `slasher.canWithdraw`
     * @dev beaconChainETHStrategy shares are non-transferrable, so if `receiveAsTokens = false` and `withdrawal.withdrawer != withdrawal.staker`, note that
     * any beaconChainETHStrategy shares in the `withdrawal` will be _returned to the staker_, rather than transferred to the withdrawer, unlike shares in
     * any other strategies, which will be transferred to the withdrawer.
     */
    function completeQueuedWithdrawal(
        Withdrawal calldata withdrawal,
        IERC20[] calldata tokens,
        uint256 middlewareTimesIndex,
        bool receiveAsTokens
    ) external;

    /**
     * @notice Array-ified version of `completeQueuedWithdrawal`.
     * Used to complete the specified `withdrawals`. The function caller must match `withdrawals[...].withdrawer`
     * @param withdrawals The Withdrawals to complete.
     * @param tokens Array of tokens for each Withdrawal. See `completeQueuedWithdrawal` for the usage of a single array.
     * @param middlewareTimesIndexes One index to reference per Withdrawal. See `completeQueuedWithdrawal` for the usage of a single index.
     * @param receiveAsTokens Whether or not to complete each withdrawal as tokens. See `completeQueuedWithdrawal` for the usage of a single boolean.
     * @dev See `completeQueuedWithdrawal` for relevant dev tags
     */
    function completeQueuedWithdrawals(
        Withdrawal[] calldata withdrawals,
        IERC20[][] calldata tokens,
        uint256[] calldata middlewareTimesIndexes,
        bool[] calldata receiveAsTokens
    ) external;

    /// @notice Returns the keccak256 hash of `withdrawal`.
    function calculateWithdrawalRoot(Withdrawal memory withdrawal) external pure returns (bytes32);
}

File 47 of 111 : IWETH.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";

interface IWETH is IERC20 {
    event Deposit(address indexed dst, uint256 wad);
    event Withdrawal(address indexed src, uint256 wad);

    function deposit() external payable;
    function withdraw(uint256 wad) external;
}

File 48 of 111 : IPufferVaultV2.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferVault } from "./IPufferVault.sol";

/**
 * @title IPufferVaultV2
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferVaultV2 is IPufferVault {
    /**
     * @dev Thrown if the Vault doesn't have ETH liquidity to transfer to PufferModule
     */
    error ETHTransferFailed();

    /**
     * @dev Thrown if there is a deposit and a withdrawal in the same transaction
     */
    error DepositAndWithdrawalForbidden();

    /**
     * @dev Thrown if the new exit fee basis points is invalid
     */
    error InvalidExitFeeBasisPoints();

    /**
     * Emitted when assets (WETH) are withdrawn
     * @dev Signature: 0x139f9ee0762f3b0c92a4b8c7b8fe8be6b12aaece4b9b22de6bf1ba1094dcd998
     */
    event AssetsWithdrawnToday(uint256 withdrawalAmount);

    /**
     * Emitted daily withdrawal limit is reset
     * @dev Signature: 0x190567136e3dd93d29bef98a7c7c87cff34ee88e71d634b52f5fb3b531085f40
     */
    event DailyWithdrawalLimitReset();

    /**
     * Emitted when the daily withdrawal limit is set
     * @dev Signature: 0x8d5f7487ce1fd25059bd15204a55ea2c293160362b849a6f9244aec7d5a3700b
     */
    event DailyWithdrawalLimitSet(uint96 oldLimit, uint96 newLimit);

    /**
     * Emitted when the Vault transfers ETH to a specified address
     * @dev Signature: 0xba7bb5aa419c34d8776b86cc0e9d41e72d74a893a511f361a11af6c05e920c3d
     */
    event TransferredETH(address indexed to, uint256 amount);

    /**
     * Emitted when the Vault transfers ETH to a specified address
     * @dev Signature: 0xb10a745484e9798f0014ea028d76169706f92e7eea5d5bb66001c1400769785d
     */
    event ExitFeeBasisPointsSet(uint256 previousFee, uint256 newFee);

    /**
     * Emitted when the Vault gets ETH from Lido
     * @dev Signature: 0xb5cd6ba4df0e50a9991fc91db91ea56e2f134e498a70fc7224ad61d123e5bbb0
     */
    event LidoWithdrawal(uint256 expectedWithdrawal, uint256 actualWithdrawal);

    /**
     * @notice Returns the current exit fee basis points
     */
    function getExitFeeBasisPoints() external view returns (uint256);

    /**
     * @notice Returns the remaining assets that can be withdrawn today
     * @return The remaining assets that can be withdrawn today
     */
    function getRemainingAssetsDailyWithdrawalLimit() external view returns (uint256);

    /**
     * @notice Deposits native ETH into the Puffer Vault
     * @param receiver The recipient of pufETH tokens
     * @return shares The amount of pufETH received from the deposit
     */
    function depositETH(address receiver) external payable returns (uint256);

    /**
     * @notice Deposits stETH into the Puffer Vault
     * @param stETHSharesAmount The shares amount of stETH to deposit
     * @param receiver The recipient of pufETH tokens
     * @return shares The amount of pufETH received from the deposit
     */
    function depositStETH(uint256 stETHSharesAmount, address receiver) external returns (uint256);
}

File 49 of 111 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

File 50 of 111 : EnumerableMap.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableMap.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableMap.js.

pragma solidity ^0.8.20;

import {EnumerableSet} from "./EnumerableSet.sol";

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * The following map types are supported:
 *
 * - `uint256 -> address` (`UintToAddressMap`) since v3.0.0
 * - `address -> uint256` (`AddressToUintMap`) since v4.6.0
 * - `bytes32 -> bytes32` (`Bytes32ToBytes32Map`) since v4.6.0
 * - `uint256 -> uint256` (`UintToUintMap`) since v4.7.0
 * - `bytes32 -> uint256` (`Bytes32ToUintMap`) since v4.7.0
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableMap, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableMap.
 * ====
 */
library EnumerableMap {
    using EnumerableSet for EnumerableSet.Bytes32Set;

    // To implement this library for multiple types with as little code repetition as possible, we write it in
    // terms of a generic Map type with bytes32 keys and values. The Map implementation uses private functions,
    // and user-facing implementations such as `UintToAddressMap` are just wrappers around the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit in bytes32.

    /**
     * @dev Query for a nonexistent map key.
     */
    error EnumerableMapNonexistentKey(bytes32 key);

    struct Bytes32ToBytes32Map {
        // Storage of keys
        EnumerableSet.Bytes32Set _keys;
        mapping(bytes32 key => bytes32) _values;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(Bytes32ToBytes32Map storage map, bytes32 key, bytes32 value) internal returns (bool) {
        map._values[key] = value;
        return map._keys.add(key);
    }

    /**
     * @dev Removes a key-value pair from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(Bytes32ToBytes32Map storage map, bytes32 key) internal returns (bool) {
        delete map._values[key];
        return map._keys.remove(key);
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bool) {
        return map._keys.contains(key);
    }

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function length(Bytes32ToBytes32Map storage map) internal view returns (uint256) {
        return map._keys.length();
    }

    /**
     * @dev Returns the key-value pair stored at position `index` in the map. O(1).
     *
     * Note that there are no guarantees on the ordering of entries inside the
     * array, and it may change when more entries are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32ToBytes32Map storage map, uint256 index) internal view returns (bytes32, bytes32) {
        bytes32 key = map._keys.at(index);
        return (key, map._values[key]);
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bool, bytes32) {
        bytes32 value = map._values[key];
        if (value == bytes32(0)) {
            return (contains(map, key), bytes32(0));
        } else {
            return (true, value);
        }
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(Bytes32ToBytes32Map storage map, bytes32 key) internal view returns (bytes32) {
        bytes32 value = map._values[key];
        if (value == 0 && !contains(map, key)) {
            revert EnumerableMapNonexistentKey(key);
        }
        return value;
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(Bytes32ToBytes32Map storage map) internal view returns (bytes32[] memory) {
        return map._keys.values();
    }

    // UintToUintMap

    struct UintToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToUintMap storage map, uint256 key, uint256 value) internal returns (bool) {
        return set(map._inner, bytes32(key), bytes32(value));
    }

    /**
     * @dev Removes a value from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(UintToUintMap storage map, uint256 key) internal returns (bool) {
        return remove(map._inner, bytes32(key));
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(UintToUintMap storage map, uint256 key) internal view returns (bool) {
        return contains(map._inner, bytes32(key));
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. O(1).
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintToUintMap storage map, uint256 index) internal view returns (uint256, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (uint256(key), uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(UintToUintMap storage map, uint256 key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(key));
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToUintMap storage map, uint256 key) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(key)));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(UintToUintMap storage map) internal view returns (uint256[] memory) {
        bytes32[] memory store = keys(map._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
        return remove(map._inner, bytes32(key));
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
        return contains(map._inner, bytes32(key));
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToAddressMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. O(1).
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(UintToAddressMap storage map) internal view returns (uint256[] memory) {
        bytes32[] memory store = keys(map._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressToUintMap

    struct AddressToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(AddressToUintMap storage map, address key, uint256 value) internal returns (bool) {
        return set(map._inner, bytes32(uint256(uint160(key))), bytes32(value));
    }

    /**
     * @dev Removes a value from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(AddressToUintMap storage map, address key) internal returns (bool) {
        return remove(map._inner, bytes32(uint256(uint160(key))));
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(AddressToUintMap storage map, address key) internal view returns (bool) {
        return contains(map._inner, bytes32(uint256(uint160(key))));
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(AddressToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. O(1).
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressToUintMap storage map, uint256 index) internal view returns (address, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (address(uint160(uint256(key))), uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(AddressToUintMap storage map, address key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, bytes32(uint256(uint160(key))));
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(AddressToUintMap storage map, address key) internal view returns (uint256) {
        return uint256(get(map._inner, bytes32(uint256(uint160(key)))));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(AddressToUintMap storage map) internal view returns (address[] memory) {
        bytes32[] memory store = keys(map._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // Bytes32ToUintMap

    struct Bytes32ToUintMap {
        Bytes32ToBytes32Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(Bytes32ToUintMap storage map, bytes32 key, uint256 value) internal returns (bool) {
        return set(map._inner, key, bytes32(value));
    }

    /**
     * @dev Removes a value from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(Bytes32ToUintMap storage map, bytes32 key) internal returns (bool) {
        return remove(map._inner, key);
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(Bytes32ToUintMap storage map, bytes32 key) internal view returns (bool) {
        return contains(map._inner, key);
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(Bytes32ToUintMap storage map) internal view returns (uint256) {
        return length(map._inner);
    }

    /**
     * @dev Returns the element stored at position `index` in the map. O(1).
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32ToUintMap storage map, uint256 index) internal view returns (bytes32, uint256) {
        (bytes32 key, bytes32 value) = at(map._inner, index);
        return (key, uint256(value));
    }

    /**
     * @dev Tries to returns the value associated with `key`. O(1).
     * Does not revert if `key` is not in the map.
     */
    function tryGet(Bytes32ToUintMap storage map, bytes32 key) internal view returns (bool, uint256) {
        (bool success, bytes32 value) = tryGet(map._inner, key);
        return (success, uint256(value));
    }

    /**
     * @dev Returns the value associated with `key`. O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(Bytes32ToUintMap storage map, bytes32 key) internal view returns (uint256) {
        return uint256(get(map._inner, key));
    }

    /**
     * @dev Return the an array containing all the keys
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the map grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function keys(Bytes32ToUintMap storage map) internal view returns (bytes32[] memory) {
        bytes32[] memory store = keys(map._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

File 51 of 111 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

File 52 of 111 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
        mapping(bytes32 value => uint256) _positions;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._positions[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We cache the value's position to prevent multiple reads from the same storage slot
        uint256 position = set._positions[value];

        if (position != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 valueIndex = position - 1;
            uint256 lastIndex = set._values.length - 1;

            if (valueIndex != lastIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._positions[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

File 53 of 111 : ERC20PermitUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Permit.sol)

pragma solidity ^0.8.20;

import {IERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import {ERC20Upgradeable} from "../ERC20Upgradeable.sol";
import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import {EIP712Upgradeable} from "../../../utils/cryptography/EIP712Upgradeable.sol";
import {NoncesUpgradeable} from "../../../utils/NoncesUpgradeable.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
abstract contract ERC20PermitUpgradeable is Initializable, ERC20Upgradeable, IERC20Permit, EIP712Upgradeable, NoncesUpgradeable {
    bytes32 private constant PERMIT_TYPEHASH =
        keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");

    /**
     * @dev Permit deadline has expired.
     */
    error ERC2612ExpiredSignature(uint256 deadline);

    /**
     * @dev Mismatched signature.
     */
    error ERC2612InvalidSigner(address signer, address owner);

    /**
     * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`.
     *
     * It's a good idea to use the same `name` that is defined as the ERC20 token name.
     */
    function __ERC20Permit_init(string memory name) internal onlyInitializing {
        __EIP712_init_unchained(name, "1");
    }

    function __ERC20Permit_init_unchained(string memory) internal onlyInitializing {}

    /**
     * @inheritdoc IERC20Permit
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        if (block.timestamp > deadline) {
            revert ERC2612ExpiredSignature(deadline);
        }

        bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));

        bytes32 hash = _hashTypedDataV4(structHash);

        address signer = ECDSA.recover(hash, v, r, s);
        if (signer != owner) {
            revert ERC2612InvalidSigner(signer, owner);
        }

        _approve(owner, spender, value);
    }

    /**
     * @inheritdoc IERC20Permit
     */
    function nonces(address owner) public view virtual override(IERC20Permit, NoncesUpgradeable) returns (uint256) {
        return super.nonces(owner);
    }

    /**
     * @inheritdoc IERC20Permit
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {
        return _domainSeparatorV4();
    }
}

File 54 of 111 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert FailedInnerCall();
        }
    }
}

File 55 of 111 : ValidatorTicketStorage.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @title ValidatorTicketStorage
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
abstract contract ValidatorTicketStorage {
    /**
     * @custom:storage-location erc7201:ValidatorTicket.storage
     * @dev +-----------------------------------------------------------+
     *      |                                                           |
     *      | DO NOT CHANGE, REORDER, REMOVE EXISTING STORAGE VARIABLES |
     *      |                                                           |
     *      +-----------------------------------------------------------+
     */
    struct ValidatorTicket {
        /**
         * @dev Protocol fee rate, can be updated by governance (10,000 = 100%, 100 = 1%)
         * Slot 0
         */
        uint128 protocolFeeRate;
        /**
         * @dev Guardians fee rate, can be updated by governance (10,000 = 100%, 100 = 1%)
         * Slot 0
         */
        uint128 guardiansFeeRate;
    }

    /**
     * @dev Storage slot location for ValidatorTicket
     * @custom:storage-location erc7201:ValidatorTicket.storage
     * keccak256(abi.encode(uint256(keccak256("ValidatorTicket.storage")) - 1)) & ~bytes32(uint256(0xff))
     */
    bytes32 private constant _VALIDATOR_TICKET_STORAGE =
        0x522b25b4b3844af9be07fc1b83a538fd31925481b968b15976cafed863007000;

    function _getValidatorTicketStorage() internal pure returns (ValidatorTicket storage $) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            $.slot := _VALIDATOR_TICKET_STORAGE
        }
    }
}

File 56 of 111 : IValidatorTicket.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { IPufferOracle } from "pufETH/interface/IPufferOracle.sol";

/**
 * @title IValidatorTicket
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IValidatorTicket {
    /**
     * @dev Thrown when the user tries to purchase VT with an invalid amount
     */
    error InvalidAmount();

    /**
     * @notice Thrown if the oracle tries to submit invalid data
     * @dev Signature "0x5cb045db"
     */
    error InvalidData();

    /**
     * @notice Emitted when the ETH `amount` in wei is transferred to `to` address
     * @dev Signature "0xba7bb5aa419c34d8776b86cc0e9d41e72d74a893a511f361a11af6c05e920c3d"
     */
    event TransferredETH(address indexed to, uint256 amount);

    /**
     * @notice Emitted when the ETH is split between treasury, guardians and vault
     * @dev Signature "0x8476c087a9e2adf34e598e2ef90747a2824cf1bd88e16bdb0ef56d5d6bddff27"
     */
    event DispersedETH(uint256 treasury, uint256 guardians, uint256 vault);

    /**
     * @notice Emitted when the protocol fee rate is changed
     * @dev Signature "0xb51bef650ff5ad43303dbe2e500a74d4fd1bdc9ae05f046bece330e82ae0ba87"
     */
    event ProtocolFeeChanged(uint256 oldTreasuryFee, uint256 newTreasuryFee);

    /**
     * @notice Emitted when the protocol fee rate is changed
     * @dev Signature "0x0a3e0a163d4dfba5f018c5c1e2214007151b3abb0907e3ae402ae447c7e1bc47"
     */
    event GuardiansFeeChanged(uint256 oldGuardiansFee, uint256 newGuardiansFee);

    /**
     * @notice Mints VT to `recipient` corresponding to sent ETH and distributes funds between the Treasury, Guardians and PufferVault
     * @param recipient The address to mint VT to
     * @dev restricted modifier is also used as `whenNotPaused`
     * @return Amount of VT minted
     */
    function purchaseValidatorTicket(address recipient) external payable returns (uint256);

    /**
     * @notice Retrieves the current guardians fee rate
     * @return The current guardians fee rate
     */
    function getGuardiansFeeRate() external view returns (uint256);

    /**
     * @notice Returns the Puffer Vault (pufETH)
     */
    function PUFFER_VAULT() external view returns (address payable);

    /**
     * @notice Returns the Treasury
     */
    function TREASURY() external view returns (address payable);

    /**
     * @notice Returns the GuardianModule
     */
    function GUARDIAN_MODULE() external view returns (address payable);

    /**
     * @notice Returns the Puffer Oracle
     */
    function PUFFER_ORACLE() external view returns (IPufferOracle);

    /**
     * @notice Retrieves the current protocol fee rate
     * @return The current protocol fee rate
     */
    function getProtocolFeeRate() external view returns (uint256);
}

File 57 of 111 : Time.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol)

pragma solidity ^0.8.20;

import {Math} from "../math/Math.sol";
import {SafeCast} from "../math/SafeCast.sol";

/**
 * @dev This library provides helpers for manipulating time-related objects.
 *
 * It uses the following types:
 * - `uint48` for timepoints
 * - `uint32` for durations
 *
 * While the library doesn't provide specific types for timepoints and duration, it does provide:
 * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point
 * - additional helper functions
 */
library Time {
    using Time for *;

    /**
     * @dev Get the block timestamp as a Timepoint.
     */
    function timestamp() internal view returns (uint48) {
        return SafeCast.toUint48(block.timestamp);
    }

    /**
     * @dev Get the block number as a Timepoint.
     */
    function blockNumber() internal view returns (uint48) {
        return SafeCast.toUint48(block.number);
    }

    // ==================================================== Delay =====================================================
    /**
     * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the
     * future. The "effect" timepoint describes when the transitions happens from the "old" value to the "new" value.
     * This allows updating the delay applied to some operation while keeping some guarantees.
     *
     * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for
     * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set
     * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should
     * still apply for some time.
     *
     *
     * The `Delay` type is 112 bits long, and packs the following:
     *
     * ```
     *   | [uint48]: effect date (timepoint)
     *   |           | [uint32]: value before (duration)
     *   ↓           ↓       ↓ [uint32]: value after (duration)
     * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC
     * ```
     *
     * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently
     * supported.
     */
    type Delay is uint112;

    /**
     * @dev Wrap a duration into a Delay to add the one-step "update in the future" feature
     */
    function toDelay(uint32 duration) internal pure returns (Delay) {
        return Delay.wrap(duration);
    }

    /**
     * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled
     * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered.
     */
    function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) {
        (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack();
        return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect);
    }

    /**
     * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the
     * effect timepoint is 0, then the pending value should not be considered.
     */
    function getFull(Delay self) internal view returns (uint32, uint32, uint48) {
        return _getFullAt(self, timestamp());
    }

    /**
     * @dev Get the current value.
     */
    function get(Delay self) internal view returns (uint32) {
        (uint32 delay, , ) = self.getFull();
        return delay;
    }

    /**
     * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to
     * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the
     * new delay becomes effective.
     */
    function withUpdate(
        Delay self,
        uint32 newValue,
        uint32 minSetback
    ) internal view returns (Delay updatedDelay, uint48 effect) {
        uint32 value = self.get();
        uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0));
        effect = timestamp() + setback;
        return (pack(value, newValue, effect), effect);
    }

    /**
     * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint).
     */
    function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) {
        uint112 raw = Delay.unwrap(self);

        valueAfter = uint32(raw);
        valueBefore = uint32(raw >> 32);
        effect = uint48(raw >> 64);

        return (valueBefore, valueAfter, effect);
    }

    /**
     * @dev pack the components into a Delay object.
     */
    function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) {
        return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter));
    }
}

File 58 of 111 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 59 of 111 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

File 60 of 111 : ISlasher.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "./IStrategyManager.sol";
import "./IDelegationManager.sol";

/**
 * @title Interface for the primary 'slashing' contract for EigenLayer.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice See the `Slasher` contract itself for implementation details.
 */
interface ISlasher {
    // struct used to store information about the current state of an operator's obligations to middlewares they are serving
    struct MiddlewareTimes {
        // The update block for the middleware whose most recent update was earliest, i.e. the 'stalest' update out of all middlewares the operator is serving
        uint32 stalestUpdateBlock;
        // The latest 'serveUntilBlock' from all of the middleware that the operator is serving
        uint32 latestServeUntilBlock;
    }

    // struct used to store details relevant to a single middleware that an operator has opted-in to serving
    struct MiddlewareDetails {
        // the block at which the contract begins being able to finalize the operator's registration with the service via calling `recordFirstStakeUpdate`
        uint32 registrationMayBeginAtBlock;
        // the block before which the contract is allowed to slash the user
        uint32 contractCanSlashOperatorUntilBlock;
        // the block at which the middleware's view of the operator's stake was most recently updated
        uint32 latestUpdateBlock;
    }

    /// @notice Emitted when a middleware times is added to `operator`'s array.
    event MiddlewareTimesAdded(
        address operator,
        uint256 index,
        uint32 stalestUpdateBlock,
        uint32 latestServeUntilBlock
    );

    /// @notice Emitted when `operator` begins to allow `contractAddress` to slash them.
    event OptedIntoSlashing(address indexed operator, address indexed contractAddress);

    /// @notice Emitted when `contractAddress` signals that it will no longer be able to slash `operator` after the `contractCanSlashOperatorUntilBlock`.
    event SlashingAbilityRevoked(
        address indexed operator,
        address indexed contractAddress,
        uint32 contractCanSlashOperatorUntilBlock
    );

    /**
     * @notice Emitted when `slashingContract` 'freezes' the `slashedOperator`.
     * @dev The `slashingContract` must have permission to slash the `slashedOperator`, i.e. `canSlash(slasherOperator, slashingContract)` must return 'true'.
     */
    event OperatorFrozen(address indexed slashedOperator, address indexed slashingContract);

    /// @notice Emitted when `previouslySlashedAddress` is 'unfrozen', allowing them to again move deposited funds within EigenLayer.
    event FrozenStatusReset(address indexed previouslySlashedAddress);

    /**
     * @notice Gives the `contractAddress` permission to slash the funds of the caller.
     * @dev Typically, this function must be called prior to registering for a middleware.
     */
    function optIntoSlashing(address contractAddress) external;

    /**
     * @notice Used for 'slashing' a certain operator.
     * @param toBeFrozen The operator to be frozen.
     * @dev Technically the operator is 'frozen' (hence the name of this function), and then subject to slashing pending a decision by a human-in-the-loop.
     * @dev The operator must have previously given the caller (which should be a contract) the ability to slash them, through a call to `optIntoSlashing`.
     */
    function freezeOperator(address toBeFrozen) external;

    /**
     * @notice Removes the 'frozen' status from each of the `frozenAddresses`
     * @dev Callable only by the contract owner (i.e. governance).
     */
    function resetFrozenStatus(address[] calldata frozenAddresses) external;

    /**
     * @notice this function is a called by middlewares during an operator's registration to make sure the operator's stake at registration
     *         is slashable until serveUntil
     * @param operator the operator whose stake update is being recorded
     * @param serveUntilBlock the block until which the operator's stake at the current block is slashable
     * @dev adds the middleware's slashing contract to the operator's linked list
     */
    function recordFirstStakeUpdate(address operator, uint32 serveUntilBlock) external;

    /**
     * @notice this function is a called by middlewares during a stake update for an operator (perhaps to free pending withdrawals)
     *         to make sure the operator's stake at updateBlock is slashable until serveUntil
     * @param operator the operator whose stake update is being recorded
     * @param updateBlock the block for which the stake update is being recorded
     * @param serveUntilBlock the block until which the operator's stake at updateBlock is slashable
     * @param insertAfter the element of the operators linked list that the currently updating middleware should be inserted after
     * @dev insertAfter should be calculated offchain before making the transaction that calls this. this is subject to race conditions,
     *      but it is anticipated to be rare and not detrimental.
     */
    function recordStakeUpdate(
        address operator,
        uint32 updateBlock,
        uint32 serveUntilBlock,
        uint256 insertAfter
    ) external;

    /**
     * @notice this function is a called by middlewares during an operator's deregistration to make sure the operator's stake at deregistration
     *         is slashable until serveUntil
     * @param operator the operator whose stake update is being recorded
     * @param serveUntilBlock the block until which the operator's stake at the current block is slashable
     * @dev removes the middleware's slashing contract to the operator's linked list and revokes the middleware's (i.e. caller's) ability to
     * slash `operator` once `serveUntil` is reached
     */
    function recordLastStakeUpdateAndRevokeSlashingAbility(address operator, uint32 serveUntilBlock) external;

    /// @notice The StrategyManager contract of EigenLayer
    function strategyManager() external view returns (IStrategyManager);

    /// @notice The DelegationManager contract of EigenLayer
    function delegation() external view returns (IDelegationManager);

    /**
     * @notice Used to determine whether `staker` is actively 'frozen'. If a staker is frozen, then they are potentially subject to
     * slashing of their funds, and cannot cannot deposit or withdraw from the strategyManager until the slashing process is completed
     * and the staker's status is reset (to 'unfrozen').
     * @param staker The staker of interest.
     * @return Returns 'true' if `staker` themselves has their status set to frozen, OR if the staker is delegated
     * to an operator who has their status set to frozen. Otherwise returns 'false'.
     */
    function isFrozen(address staker) external view returns (bool);

    /// @notice Returns true if `slashingContract` is currently allowed to slash `toBeSlashed`.
    function canSlash(address toBeSlashed, address slashingContract) external view returns (bool);

    /// @notice Returns the block until which `serviceContract` is allowed to slash the `operator`.
    function contractCanSlashOperatorUntilBlock(
        address operator,
        address serviceContract
    ) external view returns (uint32);

    /// @notice Returns the block at which the `serviceContract` last updated its view of the `operator`'s stake
    function latestUpdateBlock(address operator, address serviceContract) external view returns (uint32);

    /// @notice A search routine for finding the correct input value of `insertAfter` to `recordStakeUpdate` / `_updateMiddlewareList`.
    function getCorrectValueForInsertAfter(address operator, uint32 updateBlock) external view returns (uint256);

    /**
     * @notice Returns 'true' if `operator` can currently complete a withdrawal started at the `withdrawalStartBlock`, with `middlewareTimesIndex` used
     * to specify the index of a `MiddlewareTimes` struct in the operator's list (i.e. an index in `operatorToMiddlewareTimes[operator]`). The specified
     * struct is consulted as proof of the `operator`'s ability (or lack thereof) to complete the withdrawal.
     * This function will return 'false' if the operator cannot currently complete a withdrawal started at the `withdrawalStartBlock`, *or* in the event
     * that an incorrect `middlewareTimesIndex` is supplied, even if one or more correct inputs exist.
     * @param operator Either the operator who queued the withdrawal themselves, or if the withdrawing party is a staker who delegated to an operator,
     * this address is the operator *who the staker was delegated to* at the time of the `withdrawalStartBlock`.
     * @param withdrawalStartBlock The block number at which the withdrawal was initiated.
     * @param middlewareTimesIndex Indicates an index in `operatorToMiddlewareTimes[operator]` to consult as proof of the `operator`'s ability to withdraw
     * @dev The correct `middlewareTimesIndex` input should be computable off-chain.
     */
    function canWithdraw(
        address operator,
        uint32 withdrawalStartBlock,
        uint256 middlewareTimesIndex
    ) external returns (bool);

    /**
     * operator =>
     *  [
     *      (
     *          the least recent update block of all of the middlewares it's serving/served,
     *          latest time that the stake bonded at that update needed to serve until
     *      )
     *  ]
     */
    function operatorToMiddlewareTimes(
        address operator,
        uint256 arrayIndex
    ) external view returns (MiddlewareTimes memory);

    /// @notice Getter function for fetching `operatorToMiddlewareTimes[operator].length`
    function middlewareTimesLength(address operator) external view returns (uint256);

    /// @notice Getter function for fetching `operatorToMiddlewareTimes[operator][index].stalestUpdateBlock`.
    function getMiddlewareTimesIndexStalestUpdateBlock(address operator, uint32 index) external view returns (uint32);

    /// @notice Getter function for fetching `operatorToMiddlewareTimes[operator][index].latestServeUntil`.
    function getMiddlewareTimesIndexServeUntilBlock(address operator, uint32 index) external view returns (uint32);

    /// @notice Getter function for fetching `_operatorToWhitelistedContractsByUpdate[operator].size`.
    function operatorWhitelistedContractsLinkedListSize(address operator) external view returns (uint256);

    /// @notice Getter function for fetching a single node in the operator's linked list (`_operatorToWhitelistedContractsByUpdate[operator]`).
    function operatorWhitelistedContractsLinkedListEntry(
        address operator,
        address node
    ) external view returns (bool, uint256, uint256);
}

File 61 of 111 : IStrategy.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @title Minimal interface for an `Strategy` contract.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice Custom `Strategy` implementations may expand extensively on this interface.
 */
interface IStrategy {
    /**
     * @notice Used to deposit tokens into this Strategy
     * @param token is the ERC20 token being deposited
     * @param amount is the amount of token being deposited
     * @dev This function is only callable by the strategyManager contract. It is invoked inside of the strategyManager's
     * `depositIntoStrategy` function, and individual share balances are recorded in the strategyManager as well.
     * @return newShares is the number of new shares issued at the current exchange ratio.
     */
    function deposit(IERC20 token, uint256 amount) external returns (uint256);

    /**
     * @notice Used to withdraw tokens from this Strategy, to the `recipient`'s address
     * @param recipient is the address to receive the withdrawn funds
     * @param token is the ERC20 token being transferred out
     * @param amountShares is the amount of shares being withdrawn
     * @dev This function is only callable by the strategyManager contract. It is invoked inside of the strategyManager's
     * other functions, and individual share balances are recorded in the strategyManager as well.
     */
    function withdraw(address recipient, IERC20 token, uint256 amountShares) external;

    /**
     * @notice Used to convert a number of shares to the equivalent amount of underlying tokens for this strategy.
     * @notice In contrast to `sharesToUnderlyingView`, this function **may** make state modifications
     * @param amountShares is the amount of shares to calculate its conversion into the underlying token
     * @return The amount of underlying tokens corresponding to the input `amountShares`
     * @dev Implementation for these functions in particular may vary significantly for different strategies
     */
    function sharesToUnderlying(uint256 amountShares) external returns (uint256);

    /**
     * @notice Used to convert an amount of underlying tokens to the equivalent amount of shares in this strategy.
     * @notice In contrast to `underlyingToSharesView`, this function **may** make state modifications
     * @param amountUnderlying is the amount of `underlyingToken` to calculate its conversion into strategy shares
     * @return The amount of underlying tokens corresponding to the input `amountShares`
     * @dev Implementation for these functions in particular may vary significantly for different strategies
     */
    function underlyingToShares(uint256 amountUnderlying) external returns (uint256);

    /**
     * @notice convenience function for fetching the current underlying value of all of the `user`'s shares in
     * this strategy. In contrast to `userUnderlyingView`, this function **may** make state modifications
     */
    function userUnderlying(address user) external returns (uint256);

    /**
     * @notice convenience function for fetching the current total shares of `user` in this strategy, by
     * querying the `strategyManager` contract
     */
    function shares(address user) external view returns (uint256);

    /**
     * @notice Used to convert a number of shares to the equivalent amount of underlying tokens for this strategy.
     * @notice In contrast to `sharesToUnderlying`, this function guarantees no state modifications
     * @param amountShares is the amount of shares to calculate its conversion into the underlying token
     * @return The amount of shares corresponding to the input `amountUnderlying`
     * @dev Implementation for these functions in particular may vary significantly for different strategies
     */
    function sharesToUnderlyingView(uint256 amountShares) external view returns (uint256);

    /**
     * @notice Used to convert an amount of underlying tokens to the equivalent amount of shares in this strategy.
     * @notice In contrast to `underlyingToShares`, this function guarantees no state modifications
     * @param amountUnderlying is the amount of `underlyingToken` to calculate its conversion into strategy shares
     * @return The amount of shares corresponding to the input `amountUnderlying`
     * @dev Implementation for these functions in particular may vary significantly for different strategies
     */
    function underlyingToSharesView(uint256 amountUnderlying) external view returns (uint256);

    /**
     * @notice convenience function for fetching the current underlying value of all of the `user`'s shares in
     * this strategy. In contrast to `userUnderlying`, this function guarantees no state modifications
     */
    function userUnderlyingView(address user) external view returns (uint256);

    /// @notice The underlying token for shares in this Strategy
    function underlyingToken() external view returns (IERC20);

    /// @notice The total number of extant shares in this Strategy
    function totalShares() external view returns (uint256);

    /// @notice Returns either a brief string explaining the strategy's goal & purpose, or a link to metadata that explains in more detail.
    function explanation() external view returns (string memory);
}

File 62 of 111 : IStrategyManager.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "./IStrategy.sol";
import "./ISlasher.sol";
import "./IDelegationManager.sol";
import "./IEigenPodManager.sol";

/**
 * @title Interface for the primary entrypoint for funds into EigenLayer.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice See the `StrategyManager` contract itself for implementation details.
 */
interface IStrategyManager {
    /**
     * @notice Emitted when a new deposit occurs on behalf of `staker`.
     * @param staker Is the staker who is depositing funds into EigenLayer.
     * @param strategy Is the strategy that `staker` has deposited into.
     * @param token Is the token that `staker` deposited.
     * @param shares Is the number of new shares `staker` has been granted in `strategy`.
     */
    event Deposit(address staker, IERC20 token, IStrategy strategy, uint256 shares);

    /// @notice Emitted when `thirdPartyTransfersForbidden` is updated for a strategy and value by the owner
    event UpdatedThirdPartyTransfersForbidden(IStrategy strategy, bool value);

    /// @notice Emitted when the `strategyWhitelister` is changed
    event StrategyWhitelisterChanged(address previousAddress, address newAddress);

    /// @notice Emitted when a strategy is added to the approved list of strategies for deposit
    event StrategyAddedToDepositWhitelist(IStrategy strategy);

    /// @notice Emitted when a strategy is removed from the approved list of strategies for deposit
    event StrategyRemovedFromDepositWhitelist(IStrategy strategy);

    /**
     * @notice Deposits `amount` of `token` into the specified `strategy`, with the resultant shares credited to `msg.sender`
     * @param strategy is the specified strategy where deposit is to be made,
     * @param token is the denomination in which the deposit is to be made,
     * @param amount is the amount of token to be deposited in the strategy by the staker
     * @return shares The amount of new shares in the `strategy` created as part of the action.
     * @dev The `msg.sender` must have previously approved this contract to transfer at least `amount` of `token` on their behalf.
     * @dev Cannot be called by an address that is 'frozen' (this function will revert if the `msg.sender` is frozen).
     *
     * WARNING: Depositing tokens that allow reentrancy (eg. ERC-777) into a strategy is not recommended.  This can lead to attack vectors
     *          where the token balance and corresponding strategy shares are not in sync upon reentrancy.
     */
    function depositIntoStrategy(IStrategy strategy, IERC20 token, uint256 amount) external returns (uint256 shares);

    /**
     * @notice Used for depositing an asset into the specified strategy with the resultant shares credited to `staker`,
     * who must sign off on the action.
     * Note that the assets are transferred out/from the `msg.sender`, not from the `staker`; this function is explicitly designed
     * purely to help one address deposit 'for' another.
     * @param strategy is the specified strategy where deposit is to be made,
     * @param token is the denomination in which the deposit is to be made,
     * @param amount is the amount of token to be deposited in the strategy by the staker
     * @param staker the staker that the deposited assets will be credited to
     * @param expiry the timestamp at which the signature expires
     * @param signature is a valid signature from the `staker`. either an ECDSA signature if the `staker` is an EOA, or data to forward
     * following EIP-1271 if the `staker` is a contract
     * @return shares The amount of new shares in the `strategy` created as part of the action.
     * @dev The `msg.sender` must have previously approved this contract to transfer at least `amount` of `token` on their behalf.
     * @dev A signature is required for this function to eliminate the possibility of griefing attacks, specifically those
     * targeting stakers who may be attempting to undelegate.
     * @dev Cannot be called if thirdPartyTransfersForbidden is set to true for this strategy
     *
     *  WARNING: Depositing tokens that allow reentrancy (eg. ERC-777) into a strategy is not recommended.  This can lead to attack vectors
     *          where the token balance and corresponding strategy shares are not in sync upon reentrancy
     */
    function depositIntoStrategyWithSignature(
        IStrategy strategy,
        IERC20 token,
        uint256 amount,
        address staker,
        uint256 expiry,
        bytes memory signature
    ) external returns (uint256 shares);

    /// @notice Used by the DelegationManager to remove a Staker's shares from a particular strategy when entering the withdrawal queue
    function removeShares(address staker, IStrategy strategy, uint256 shares) external;

    /// @notice Used by the DelegationManager to award a Staker some shares that have passed through the withdrawal queue
    function addShares(address staker, IERC20 token, IStrategy strategy, uint256 shares) external;
    
    /// @notice Used by the DelegationManager to convert withdrawn shares to tokens and send them to a recipient
    function withdrawSharesAsTokens(address recipient, IStrategy strategy, uint256 shares, IERC20 token) external;

    /// @notice Returns the current shares of `user` in `strategy`
    function stakerStrategyShares(address user, IStrategy strategy) external view returns (uint256 shares);

    /**
     * @notice Get all details on the staker's deposits and corresponding shares
     * @return (staker's strategies, shares in these strategies)
     */
    function getDeposits(address staker) external view returns (IStrategy[] memory, uint256[] memory);

    /// @notice Simple getter function that returns `stakerStrategyList[staker].length`.
    function stakerStrategyListLength(address staker) external view returns (uint256);

    /**
     * @notice Owner-only function that adds the provided Strategies to the 'whitelist' of strategies that stakers can deposit into
     * @param strategiesToWhitelist Strategies that will be added to the `strategyIsWhitelistedForDeposit` mapping (if they aren't in it already)
     * @param thirdPartyTransfersForbiddenValues bool values to set `thirdPartyTransfersForbidden` to for each strategy
     */
    function addStrategiesToDepositWhitelist(
        IStrategy[] calldata strategiesToWhitelist,
        bool[] calldata thirdPartyTransfersForbiddenValues
    ) external;

    /**
     * @notice Owner-only function that removes the provided Strategies from the 'whitelist' of strategies that stakers can deposit into
     * @param strategiesToRemoveFromWhitelist Strategies that will be removed to the `strategyIsWhitelistedForDeposit` mapping (if they are in it)
     */
    function removeStrategiesFromDepositWhitelist(IStrategy[] calldata strategiesToRemoveFromWhitelist) external;

    /// @notice Returns the single, central Delegation contract of EigenLayer
    function delegation() external view returns (IDelegationManager);

    /// @notice Returns the single, central Slasher contract of EigenLayer
    function slasher() external view returns (ISlasher);

    /// @notice Returns the EigenPodManager contract of EigenLayer
    function eigenPodManager() external view returns (IEigenPodManager);

    /// @notice Returns the address of the `strategyWhitelister`
    function strategyWhitelister() external view returns (address);

    /**
     * @notice Returns bool for whether or not `strategy` enables credit transfers. i.e enabling
     * depositIntoStrategyWithSignature calls or queueing withdrawals to a different address than the staker.
     */
    function thirdPartyTransfersForbidden(IStrategy strategy) external view returns (bool);

// LIMITED BACKWARDS-COMPATIBILITY FOR DEPRECATED FUNCTIONALITY
    // packed struct for queued withdrawals; helps deal with stack-too-deep errors
    struct DeprecatedStruct_WithdrawerAndNonce {
        address withdrawer;
        uint96 nonce;
    }

    /**
     * Struct type used to specify an existing queued withdrawal. Rather than storing the entire struct, only a hash is stored.
     * In functions that operate on existing queued withdrawals -- e.g. `startQueuedWithdrawalWaitingPeriod` or `completeQueuedWithdrawal`,
     * the data is resubmitted and the hash of the submitted data is computed by `calculateWithdrawalRoot` and checked against the
     * stored hash in order to confirm the integrity of the submitted data.
     */
    struct DeprecatedStruct_QueuedWithdrawal {
        IStrategy[] strategies;
        uint256[] shares;
        address staker;
        DeprecatedStruct_WithdrawerAndNonce withdrawerAndNonce;
        uint32 withdrawalStartBlock;
        address delegatedAddress;
    }

    function migrateQueuedWithdrawal(DeprecatedStruct_QueuedWithdrawal memory queuedWithdrawal) external returns (bool, bytes32);

    function calculateWithdrawalRoot(DeprecatedStruct_QueuedWithdrawal memory queuedWithdrawal) external pure returns (bytes32);
}

File 63 of 111 : Merkle.sol
// SPDX-License-Identifier: MIT
// Adapted from OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library Merkle {
    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. The tree is built assuming `leaf` is
     * the 0 indexed `index`'th leaf from the bottom left of the tree.
     *
     * Note this is for a Merkle tree using the keccak/sha3 hash function
     */
    function verifyInclusionKeccak(
        bytes memory proof,
        bytes32 root,
        bytes32 leaf,
        uint256 index
    ) internal pure returns (bool) {
        return processInclusionProofKeccak(proof, leaf, index) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. The tree is built assuming `leaf` is
     * the 0 indexed `index`'th leaf from the bottom left of the tree.
     *
     * _Available since v4.4._
     *
     * Note this is for a Merkle tree using the keccak/sha3 hash function
     */
    function processInclusionProofKeccak(
        bytes memory proof,
        bytes32 leaf,
        uint256 index
    ) internal pure returns (bytes32) {
        require(
            proof.length != 0 && proof.length % 32 == 0,
            "Merkle.processInclusionProofKeccak: proof length should be a non-zero multiple of 32"
        );
        bytes32 computedHash = leaf;
        for (uint256 i = 32; i <= proof.length; i += 32) {
            if (index % 2 == 0) {
                // if ith bit of index is 0, then computedHash is a left sibling
                assembly {
                    mstore(0x00, computedHash)
                    mstore(0x20, mload(add(proof, i)))
                    computedHash := keccak256(0x00, 0x40)
                    index := div(index, 2)
                }
            } else {
                // if ith bit of index is 1, then computedHash is a right sibling
                assembly {
                    mstore(0x00, mload(add(proof, i)))
                    mstore(0x20, computedHash)
                    computedHash := keccak256(0x00, 0x40)
                    index := div(index, 2)
                }
            }
        }
        return computedHash;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. The tree is built assuming `leaf` is
     * the 0 indexed `index`'th leaf from the bottom left of the tree.
     *
     * Note this is for a Merkle tree using the sha256 hash function
     */
    function verifyInclusionSha256(
        bytes memory proof,
        bytes32 root,
        bytes32 leaf,
        uint256 index
    ) internal view returns (bool) {
        return processInclusionProofSha256(proof, leaf, index) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. The tree is built assuming `leaf` is
     * the 0 indexed `index`'th leaf from the bottom left of the tree.
     *
     * _Available since v4.4._
     *
     * Note this is for a Merkle tree using the sha256 hash function
     */
    function processInclusionProofSha256(
        bytes memory proof,
        bytes32 leaf,
        uint256 index
    ) internal view returns (bytes32) {
        require(
            proof.length != 0 && proof.length % 32 == 0,
            "Merkle.processInclusionProofSha256: proof length should be a non-zero multiple of 32"
        );
        bytes32[1] memory computedHash = [leaf];
        for (uint256 i = 32; i <= proof.length; i += 32) {
            if (index % 2 == 0) {
                // if ith bit of index is 0, then computedHash is a left sibling
                assembly {
                    mstore(0x00, mload(computedHash))
                    mstore(0x20, mload(add(proof, i)))
                    if iszero(staticcall(sub(gas(), 2000), 2, 0x00, 0x40, computedHash, 0x20)) {
                        revert(0, 0)
                    }
                    index := div(index, 2)
                }
            } else {
                // if ith bit of index is 1, then computedHash is a right sibling
                assembly {
                    mstore(0x00, mload(add(proof, i)))
                    mstore(0x20, mload(computedHash))
                    if iszero(staticcall(sub(gas(), 2000), 2, 0x00, 0x40, computedHash, 0x20)) {
                        revert(0, 0)
                    }
                    index := div(index, 2)
                }
            }
        }
        return computedHash[0];
    }

    /**
     @notice this function returns the merkle root of a tree created from a set of leaves using sha256 as its hash function
     @param leaves the leaves of the merkle tree
     @return The computed Merkle root of the tree.
     @dev A pre-condition to this function is that leaves.length is a power of two.  If not, the function will merkleize the inputs incorrectly.
     */
    function merkleizeSha256(bytes32[] memory leaves) internal pure returns (bytes32) {
        //there are half as many nodes in the layer above the leaves
        uint256 numNodesInLayer = leaves.length / 2;
        //create a layer to store the internal nodes
        bytes32[] memory layer = new bytes32[](numNodesInLayer);
        //fill the layer with the pairwise hashes of the leaves
        for (uint256 i = 0; i < numNodesInLayer; i++) {
            layer[i] = sha256(abi.encodePacked(leaves[2 * i], leaves[2 * i + 1]));
        }
        //the next layer above has half as many nodes
        numNodesInLayer /= 2;
        //while we haven't computed the root
        while (numNodesInLayer != 0) {
            //overwrite the first numNodesInLayer nodes in layer with the pairwise hashes of their children
            for (uint256 i = 0; i < numNodesInLayer; i++) {
                layer[i] = sha256(abi.encodePacked(layer[2 * i], layer[2 * i + 1]));
            }
            //the next layer above has half as many nodes
            numNodesInLayer /= 2;
        }
        //the first node in the layer is the root
        return layer[0];
    }
}

File 64 of 111 : Endian.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

library Endian {
    /**
     * @notice Converts a little endian-formatted uint64 to a big endian-formatted uint64
     * @param lenum little endian-formatted uint64 input, provided as 'bytes32' type
     * @return n The big endian-formatted uint64
     * @dev Note that the input is formatted as a 'bytes32' type (i.e. 256 bits), but it is immediately truncated to a uint64 (i.e. 64 bits)
     * through a right-shift/shr operation.
     */
    function fromLittleEndianUint64(bytes32 lenum) internal pure returns (uint64 n) {
        // the number needs to be stored in little-endian encoding (ie in bytes 0-8)
        n = uint64(uint256(lenum >> 192));
        return
            (n >> 56) |
            ((0x00FF000000000000 & n) >> 40) |
            ((0x0000FF0000000000 & n) >> 24) |
            ((0x000000FF00000000 & n) >> 8) |
            ((0x00000000FF000000 & n) << 8) |
            ((0x0000000000FF0000 & n) << 24) |
            ((0x000000000000FF00 & n) << 40) |
            ((0x00000000000000FF & n) << 56);
    }
}

File 65 of 111 : IBLSApkRegistry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.12;

import {IRegistry} from "./IRegistry.sol";

import {BN254} from "../libraries/BN254.sol";

/**
 * @title Minimal interface for a registry that keeps track of aggregate operator public keys across many quorums.
 * @author Layr Labs, Inc.
 */
interface IBLSApkRegistry is IRegistry {
    // STRUCTS
    /// @notice Data structure used to track the history of the Aggregate Public Key of all operators
    struct ApkUpdate {
        // first 24 bytes of keccak256(apk_x0, apk_x1, apk_y0, apk_y1)
        bytes24 apkHash;
        // block number at which the update occurred
        uint32 updateBlockNumber;
        // block number at which the next update occurred
        uint32 nextUpdateBlockNumber;
    }

    /**
     * @notice Struct used when registering a new public key
     * @param pubkeyRegistrationSignature is the registration message signed by the private key of the operator
     * @param pubkeyG1 is the corresponding G1 public key of the operator 
     * @param pubkeyG2 is the corresponding G2 public key of the operator
     */     
    struct PubkeyRegistrationParams {
        BN254.G1Point pubkeyRegistrationSignature;
        BN254.G1Point pubkeyG1;
        BN254.G2Point pubkeyG2;
    }

    // EVENTS
    /// @notice Emitted when `operator` registers with the public keys `pubkeyG1` and `pubkeyG2`.
    event NewPubkeyRegistration(address indexed operator, BN254.G1Point pubkeyG1, BN254.G2Point pubkeyG2);

    // @notice Emitted when a new operator pubkey is registered for a set of quorums
    event OperatorAddedToQuorums(
        address operator,
        bytes32 operatorId,
        bytes quorumNumbers
    );

    // @notice Emitted when an operator pubkey is removed from a set of quorums
    event OperatorRemovedFromQuorums(
        address operator, 
        bytes32 operatorId,
        bytes quorumNumbers
    );

    /**
     * @notice Registers the `operator`'s pubkey for the specified `quorumNumbers`.
     * @param operator The address of the operator to register.
     * @param quorumNumbers The quorum numbers the operator is registering for, where each byte is an 8 bit integer quorumNumber.
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already registered
     */
    function registerOperator(address operator, bytes calldata quorumNumbers) external;

    /**
     * @notice Deregisters the `operator`'s pubkey for the specified `quorumNumbers`.
     * @param operator The address of the operator to deregister.
     * @param quorumNumbers The quorum numbers the operator is deregistering from, where each byte is an 8 bit integer quorumNumber.
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already deregistered
     *         5) `quorumNumbers` is a subset of the quorumNumbers that the operator is registered for
     */ 
    function deregisterOperator(address operator, bytes calldata quorumNumbers) external;
    
    /**
     * @notice Initializes a new quorum by pushing its first apk update
     * @param quorumNumber The number of the new quorum
     */
    function initializeQuorum(uint8 quorumNumber) external;

    /**
     * @notice mapping from operator address to pubkey hash.
     * Returns *zero* if the `operator` has never registered, and otherwise returns the hash of the public key of the operator.
     */
    function operatorToPubkeyHash(address operator) external view returns (bytes32);

    /**
     * @notice mapping from pubkey hash to operator address.
     * Returns *zero* if no operator has ever registered the public key corresponding to `pubkeyHash`,
     * and otherwise returns the (unique) registered operator who owns the BLS public key that is the preimage of `pubkeyHash`.
     */
    function pubkeyHashToOperator(bytes32 pubkeyHash) external view returns (address);

    /**
     * @notice Called by the RegistryCoordinator register an operator as the owner of a BLS public key.
     * @param operator is the operator for whom the key is being registered
     * @param params contains the G1 & G2 public keys of the operator, and a signature proving their ownership
     * @param pubkeyRegistrationMessageHash is a hash that the operator must sign to prove key ownership
     */
    function registerBLSPublicKey(
        address operator,
        PubkeyRegistrationParams calldata params,
        BN254.G1Point calldata pubkeyRegistrationMessageHash
    ) external returns (bytes32 operatorId);

    /**
     * @notice Returns the pubkey and pubkey hash of an operator
     * @dev Reverts if the operator has not registered a valid pubkey
     */
    function getRegisteredPubkey(address operator) external view returns (BN254.G1Point memory, bytes32);

    /// @notice Returns the current APK for the provided `quorumNumber `
    function getApk(uint8 quorumNumber) external view returns (BN254.G1Point memory);

    /// @notice Returns the index of the quorumApk index at `blockNumber` for the provided `quorumNumber`
    function getApkIndicesAtBlockNumber(bytes calldata quorumNumbers, uint256 blockNumber) external view returns(uint32[] memory);

    /// @notice Returns the `ApkUpdate` struct at `index` in the list of APK updates for the `quorumNumber`
    function getApkUpdateAtIndex(uint8 quorumNumber, uint256 index) external view returns (ApkUpdate memory);

    /// @notice Returns the operator address for the given `pubkeyHash`
    function getOperatorFromPubkeyHash(bytes32 pubkeyHash) external view returns (address);

    /**
     * @notice get 24 byte hash of the apk of `quorumNumber` at `blockNumber` using the provided `index`;
     * called by checkSignatures in BLSSignatureChecker.sol.
     * @param quorumNumber is the quorum whose ApkHash is being retrieved
     * @param blockNumber is the number of the block for which the latest ApkHash will be retrieved
     * @param index is the index of the apkUpdate being retrieved from the list of quorum apkUpdates in storage
     */
    function getApkHashAtBlockNumberAndIndex(uint8 quorumNumber, uint32 blockNumber, uint256 index) external view returns (bytes24);

    /// @notice returns the ID used to identify the `operator` within this AVS.
    /// @dev Returns zero in the event that the `operator` has never registered for the AVS
    function getOperatorId(address operator) external view returns (bytes32);
}

File 66 of 111 : IStakeRegistry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.12;

import {IDelegationManager} from "eigenlayer-contracts/src/contracts/interfaces/IDelegationManager.sol";
import {IStrategy} from "eigenlayer-contracts/src/contracts/interfaces/IStrategy.sol";

import {IRegistry} from "./IRegistry.sol";

/**
 * @title Interface for a `Registry` that keeps track of stakes of operators for up to 256 quorums.
 * @author Layr Labs, Inc.
 */
interface IStakeRegistry is IRegistry {
    
    // DATA STRUCTURES

    /// @notice struct used to store the stakes of an individual operator or the sum of all operators' stakes, for storage
    struct StakeUpdate {
        // the block number at which the stake amounts were updated and stored
        uint32 updateBlockNumber;
        // the block number at which the *next update* occurred.
        /// @notice This entry has the value **0** until another update takes place.
        uint32 nextUpdateBlockNumber;
        // stake weight for the quorum
        uint96 stake;
    }

    /**
     * @notice In weighing a particular strategy, the amount of underlying asset for that strategy is
     * multiplied by its multiplier, then divided by WEIGHTING_DIVISOR
     */
    struct StrategyParams {
        IStrategy strategy;
        uint96 multiplier;
    }

    // EVENTS

    /// @notice emitted whenever the stake of `operator` is updated
    event OperatorStakeUpdate(
        bytes32 indexed operatorId,
        uint8 quorumNumber,
        uint96 stake
    );
    /// @notice emitted when the minimum stake for a quorum is updated
    event MinimumStakeForQuorumUpdated(uint8 indexed quorumNumber, uint96 minimumStake);
    /// @notice emitted when a new quorum is created
    event QuorumCreated(uint8 indexed quorumNumber);
    /// @notice emitted when `strategy` has been added to the array at `strategyParams[quorumNumber]`
    event StrategyAddedToQuorum(uint8 indexed quorumNumber, IStrategy strategy);
    /// @notice emitted when `strategy` has removed from the array at `strategyParams[quorumNumber]`
    event StrategyRemovedFromQuorum(uint8 indexed quorumNumber, IStrategy strategy);
    /// @notice emitted when `strategy` has its `multiplier` updated in the array at `strategyParams[quorumNumber]`
    event StrategyMultiplierUpdated(uint8 indexed quorumNumber, IStrategy strategy, uint256 multiplier);

    /**
     * @notice Registers the `operator` with `operatorId` for the specified `quorumNumbers`.
     * @param operator The address of the operator to register.
     * @param operatorId The id of the operator to register.
     * @param quorumNumbers The quorum numbers the operator is registering for, where each byte is an 8 bit integer quorumNumber.
     * @return The operator's current stake for each quorum, and the total stake for each quorum
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already registered
     */
    function registerOperator(
        address operator, 
        bytes32 operatorId, 
        bytes memory quorumNumbers
    ) external returns (uint96[] memory, uint96[] memory);

    /**
     * @notice Deregisters the operator with `operatorId` for the specified `quorumNumbers`.
     * @param operatorId The id of the operator to deregister.
     * @param quorumNumbers The quorum numbers the operator is deregistering from, where each byte is an 8 bit integer quorumNumber.
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already deregistered
     *         5) `quorumNumbers` is a subset of the quorumNumbers that the operator is registered for
     */
    function deregisterOperator(bytes32 operatorId, bytes memory quorumNumbers) external;

    /**
     * @notice Initialize a new quorum created by the registry coordinator by setting strategies, weights, and minimum stake
     */
    function initializeQuorum(uint8 quorumNumber, uint96 minimumStake, StrategyParams[] memory strategyParams) external;

    /// @notice Adds new strategies and the associated multipliers to the @param quorumNumber.
    function addStrategies(
        uint8 quorumNumber,
        StrategyParams[] memory strategyParams
    ) external;

    /**
     * @notice This function is used for removing strategies and their associated weights from the
     * mapping strategyParams for a specific @param quorumNumber.
     * @dev higher indices should be *first* in the list of @param indicesToRemove, since otherwise
     * the removal of lower index entries will cause a shift in the indices of the other strategiesToRemove
     */
    function removeStrategies(uint8 quorumNumber, uint256[] calldata indicesToRemove) external;

    /**
     * @notice This function is used for modifying the weights of strategies that are already in the
     * mapping strategyParams for a specific
     * @param quorumNumber is the quorum number to change the strategy for
     * @param strategyIndices are the indices of the strategies to change
     * @param newMultipliers are the new multipliers for the strategies
     */
    function modifyStrategyParams(
        uint8 quorumNumber,
        uint256[] calldata strategyIndices,
        uint96[] calldata newMultipliers
    ) external;

    /// @notice Constant used as a divisor in calculating weights.
    function WEIGHTING_DIVISOR() external pure returns (uint256);

    /// @notice Returns the EigenLayer delegation manager contract.
    function delegation() external view returns (IDelegationManager);

    /// @notice In order to register for a quorum i, an operator must have at least `minimumStakeForQuorum[i]`
    function minimumStakeForQuorum(uint8 quorumNumber) external view returns (uint96);

    /// @notice Returns the length of the dynamic array stored in `strategyParams[quorumNumber]`.
    function strategyParamsLength(uint8 quorumNumber) external view returns (uint256);

    /// @notice Returns the strategy and weight multiplier for the `index`'th strategy in the quorum `quorumNumber`
    function strategyParamsByIndex(
        uint8 quorumNumber,
        uint256 index
    ) external view returns (StrategyParams memory);

    /**
     * @notice This function computes the total weight of the @param operator in the quorum @param quorumNumber.
     * @dev reverts in the case that `quorumNumber` is greater than or equal to `quorumCount`
     */
    function weightOfOperatorForQuorum(uint8 quorumNumber, address operator) external view returns (uint96);

    /**
     * @notice Returns the entire `operatorIdToStakeHistory[operatorId][quorumNumber]` array.
     * @param operatorId The id of the operator of interest.
     * @param quorumNumber The quorum number to get the stake for.
     */
    function getStakeHistory(bytes32 operatorId, uint8 quorumNumber) external view returns (StakeUpdate[] memory);

    function getTotalStakeHistoryLength(uint8 quorumNumber) external view returns (uint256);

    /**
     * @notice Returns the `index`-th entry in the dynamic array of total stake, `totalStakeHistory` for quorum `quorumNumber`.
     * @param quorumNumber The quorum number to get the stake for.
     * @param index Array index for lookup, within the dynamic array `totalStakeHistory[quorumNumber]`.
     */
    function getTotalStakeUpdateAtIndex(uint8 quorumNumber, uint256 index) external view returns (StakeUpdate memory);

    /// @notice Returns the indices of the operator stakes for the provided `quorumNumber` at the given `blockNumber`
    function getStakeUpdateIndexAtBlockNumber(bytes32 operatorId, uint8 quorumNumber, uint32 blockNumber)
        external
        view
        returns (uint32);

    /// @notice Returns the indices of the total stakes for the provided `quorumNumbers` at the given `blockNumber`
    function getTotalStakeIndicesAtBlockNumber(uint32 blockNumber, bytes calldata quorumNumbers) external view returns(uint32[] memory) ;

    /**
     * @notice Returns the `index`-th entry in the `operatorIdToStakeHistory[operatorId][quorumNumber]` array.
     * @param quorumNumber The quorum number to get the stake for.
     * @param operatorId The id of the operator of interest.
     * @param index Array index for lookup, within the dynamic array `operatorIdToStakeHistory[operatorId][quorumNumber]`.
     * @dev Function will revert if `index` is out-of-bounds.
     */
    function getStakeUpdateAtIndex(uint8 quorumNumber, bytes32 operatorId, uint256 index)
        external
        view
        returns (StakeUpdate memory);

    /**
     * @notice Returns the most recent stake weight for the `operatorId` for a certain quorum
     * @dev Function returns an StakeUpdate struct with **every entry equal to 0** in the event that the operator has no stake history
     */
    function getLatestStakeUpdate(bytes32 operatorId, uint8 quorumNumber) external view returns (StakeUpdate memory);

    /**
     * @notice Returns the stake weight corresponding to `operatorId` for quorum `quorumNumber`, at the
     * `index`-th entry in the `operatorIdToStakeHistory[operatorId][quorumNumber]` array if the entry 
     * corresponds to the operator's stake at `blockNumber`. Reverts otherwise.
     * @param quorumNumber The quorum number to get the stake for.
     * @param operatorId The id of the operator of interest.
     * @param index Array index for lookup, within the dynamic array `operatorIdToStakeHistory[operatorId][quorumNumber]`.
     * @param blockNumber Block number to make sure the stake is from.
     * @dev Function will revert if `index` is out-of-bounds.
     * @dev used the BLSSignatureChecker to get past stakes of signing operators
     */
    function getStakeAtBlockNumberAndIndex(uint8 quorumNumber, uint32 blockNumber, bytes32 operatorId, uint256 index)
        external
        view
        returns (uint96);

    /**
     * @notice Returns the total stake weight for quorum `quorumNumber`, at the `index`-th entry in the 
     * `totalStakeHistory[quorumNumber]` array if the entry corresponds to the total stake at `blockNumber`. 
     * Reverts otherwise.
     * @param quorumNumber The quorum number to get the stake for.
     * @param index Array index for lookup, within the dynamic array `totalStakeHistory[quorumNumber]`.
     * @param blockNumber Block number to make sure the stake is from.
     * @dev Function will revert if `index` is out-of-bounds.
     * @dev used the BLSSignatureChecker to get past stakes of signing operators
     */
    function getTotalStakeAtBlockNumberFromIndex(uint8 quorumNumber, uint32 blockNumber, uint256 index) external view returns (uint96);

    /**
     * @notice Returns the most recent stake weight for the `operatorId` for quorum `quorumNumber`
     * @dev Function returns weight of **0** in the event that the operator has no stake history
     */
    function getCurrentStake(bytes32 operatorId, uint8 quorumNumber) external view returns (uint96);

    /// @notice Returns the stake of the operator for the provided `quorumNumber` at the given `blockNumber`
    function getStakeAtBlockNumber(bytes32 operatorId, uint8 quorumNumber, uint32 blockNumber)
        external
        view
        returns (uint96);

    /**
     * @notice Returns the stake weight from the latest entry in `_totalStakeHistory` for quorum `quorumNumber`.
     * @dev Will revert if `_totalStakeHistory[quorumNumber]` is empty.
     */
    function getCurrentTotalStake(uint8 quorumNumber) external view returns (uint96);

    /**
     * @notice Called by the registry coordinator to update an operator's stake for one
     * or more quorums.
     *
     * If the operator no longer has the minimum stake required for a quorum, they are
     * added to the
     * @return A bitmap of quorums where the operator no longer meets the minimum stake
     * and should be deregistered.
     */
    function updateOperatorStake(
        address operator, 
        bytes32 operatorId, 
        bytes calldata quorumNumbers
    ) external returns (uint192);
}

File 67 of 111 : IIndexRegistry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.12;

import {IRegistry} from "./IRegistry.sol";

/**
 * @title Interface for a `Registry`-type contract that keeps track of an ordered list of operators for up to 256 quorums.
 * @author Layr Labs, Inc.
 */
interface IIndexRegistry is IRegistry {
    // EVENTS
    
    // emitted when an operator's index in the ordered operator list for the quorum with number `quorumNumber` is updated
    event QuorumIndexUpdate(bytes32 indexed operatorId, uint8 quorumNumber, uint32 newOperatorIndex);

    // DATA STRUCTURES

    // struct used to give definitive ordering to operators at each blockNumber. 
    struct OperatorUpdate {
        // blockNumber number from which `operatorIndex` was the operators index
        // the operator's index is the first entry such that `blockNumber >= entry.fromBlockNumber`
        uint32 fromBlockNumber;
        // the operator at this index
        bytes32 operatorId;
    }

    // struct used to denote the number of operators in a quorum at a given blockNumber
    struct QuorumUpdate {
        // The total number of operators at a `blockNumber` is the first entry such that `blockNumber >= entry.fromBlockNumber`
        uint32 fromBlockNumber;
        // The number of operators at `fromBlockNumber`
        uint32 numOperators;
    }

    /**
     * @notice Registers the operator with the specified `operatorId` for the quorums specified by `quorumNumbers`.
     * @param operatorId is the id of the operator that is being registered
     * @param quorumNumbers is the quorum numbers the operator is registered for
     * @return numOperatorsPerQuorum is a list of the number of operators (including the registering operator) in each of the quorums the operator is registered for
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already registered
     */
    function registerOperator(bytes32 operatorId, bytes calldata quorumNumbers) external returns(uint32[] memory);

    /**
     * @notice Deregisters the operator with the specified `operatorId` for the quorums specified by `quorumNumbers`.
     * @param operatorId is the id of the operator that is being deregistered
     * @param quorumNumbers is the quorum numbers the operator is deregistered for
     * @dev access restricted to the RegistryCoordinator
     * @dev Preconditions (these are assumed, not validated in this contract):
     *         1) `quorumNumbers` has no duplicates
     *         2) `quorumNumbers.length` != 0
     *         3) `quorumNumbers` is ordered in ascending order
     *         4) the operator is not already deregistered
     *         5) `quorumNumbers` is a subset of the quorumNumbers that the operator is registered for
     */
    function deregisterOperator(bytes32 operatorId, bytes calldata quorumNumbers) external;

    /**
     * @notice Initialize a quorum by pushing its first quorum update
     * @param quorumNumber The number of the new quorum
     */
    function initializeQuorum(uint8 quorumNumber) external;

    /// @notice Returns the OperatorUpdate entry for the specified `operatorIndex` and `quorumNumber` at the specified `arrayIndex`
    function getOperatorUpdateAtIndex(
        uint8 quorumNumber,
        uint32 operatorIndex,
        uint32 arrayIndex
    ) external view returns (OperatorUpdate memory);

    /// @notice Returns the QuorumUpdate entry for the specified `quorumNumber` at the specified `quorumIndex`
    function getQuorumUpdateAtIndex(uint8 quorumNumber, uint32 quorumIndex) external view returns (QuorumUpdate memory);

    /// @notice Returns the most recent OperatorUpdate entry for the specified quorumNumber and operatorIndex
    function getLatestOperatorUpdate(uint8 quorumNumber, uint32 operatorIndex) external view returns (OperatorUpdate memory);

    /// @notice Returns the most recent QuorumUpdate entry for the specified quorumNumber
    function getLatestQuorumUpdate(uint8 quorumNumber) external view returns (QuorumUpdate memory);

    /// @notice Returns the current number of operators of this service for `quorumNumber`.
    function totalOperatorsForQuorum(uint8 quorumNumber) external view returns (uint32);

    /// @notice Returns an ordered list of operators of the services for the given `quorumNumber` at the given `blockNumber`
    function getOperatorListAtBlockNumber(uint8 quorumNumber, uint32 blockNumber) external view returns (bytes32[] memory);
}

File 68 of 111 : BN254.sol
// SPDX-License-Identifier: MIT
// several functions are taken or adapted from https://github.com/HarryR/solcrypto/blob/master/contracts/altbn128.sol (MIT license):
// Copyright 2017 Christian Reitwiessner
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

// The remainder of the code in this library is written by LayrLabs Inc. and is also under an MIT license

pragma solidity ^0.8.12;

/**
 * @title Library for operations on the BN254 elliptic curve.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice Contains BN254 parameters, common operations (addition, scalar mul, pairing), and BLS signature functionality.
 */
library BN254 {
    // modulus for the underlying field F_p of the elliptic curve
    uint256 internal constant FP_MODULUS =
        21888242871839275222246405745257275088696311157297823662689037894645226208583;
    // modulus for the underlying field F_r of the elliptic curve
    uint256 internal constant FR_MODULUS =
        21888242871839275222246405745257275088548364400416034343698204186575808495617;

    struct G1Point {
        uint256 X;
        uint256 Y;
    }

    // Encoding of field elements is: X[1] * i + X[0]
    struct G2Point {
        uint256[2] X;
        uint256[2] Y;
    }

    function generatorG1() internal pure returns (G1Point memory) {
        return G1Point(1, 2);
    }

    // generator of group G2
    /// @dev Generator point in F_q2 is of the form: (x0 + ix1, y0 + iy1).
    uint256 internal constant G2x1 = 11559732032986387107991004021392285783925812861821192530917403151452391805634;
    uint256 internal constant G2x0 = 10857046999023057135944570762232829481370756359578518086990519993285655852781;
    uint256 internal constant G2y1 = 4082367875863433681332203403145435568316851327593401208105741076214120093531;
    uint256 internal constant G2y0 = 8495653923123431417604973247489272438418190587263600148770280649306958101930;

    /// @notice returns the G2 generator
    /// @dev mind the ordering of the 1s and 0s!
    ///      this is because of the (unknown to us) convention used in the bn254 pairing precompile contract
    ///      "Elements a * i + b of F_p^2 are encoded as two elements of F_p, (a, b)."
    ///      https://github.com/ethereum/EIPs/blob/master/EIPS/eip-197.md#encoding
    function generatorG2() internal pure returns (G2Point memory) {
        return G2Point([G2x1, G2x0], [G2y1, G2y0]);
    }

    // negation of the generator of group G2
    /// @dev Generator point in F_q2 is of the form: (x0 + ix1, y0 + iy1).
    uint256 internal constant nG2x1 = 11559732032986387107991004021392285783925812861821192530917403151452391805634;
    uint256 internal constant nG2x0 = 10857046999023057135944570762232829481370756359578518086990519993285655852781;
    uint256 internal constant nG2y1 = 17805874995975841540914202342111839520379459829704422454583296818431106115052;
    uint256 internal constant nG2y0 = 13392588948715843804641432497768002650278120570034223513918757245338268106653;

    function negGeneratorG2() internal pure returns (G2Point memory) {
        return G2Point([nG2x1, nG2x0], [nG2y1, nG2y0]);
    }

    bytes32 internal constant powersOfTauMerkleRoot =
        0x22c998e49752bbb1918ba87d6d59dd0e83620a311ba91dd4b2cc84990b31b56f;

    /**
     * @param p Some point in G1.
     * @return The negation of `p`, i.e. p.plus(p.negate()) should be zero.
     */
    function negate(G1Point memory p) internal pure returns (G1Point memory) {
        // The prime q in the base field F_q for G1
        if (p.X == 0 && p.Y == 0) {
            return G1Point(0, 0);
        } else {
            return G1Point(p.X, FP_MODULUS - (p.Y % FP_MODULUS));
        }
    }

    /**
     * @return r the sum of two points of G1
     */
    function plus(G1Point memory p1, G1Point memory p2) internal view returns (G1Point memory r) {
        uint256[4] memory input;
        input[0] = p1.X;
        input[1] = p1.Y;
        input[2] = p2.X;
        input[3] = p2.Y;
        bool success;

        // solium-disable-next-line security/no-inline-assembly
        assembly {
            success := staticcall(sub(gas(), 2000), 6, input, 0x80, r, 0x40)
            // Use "invalid" to make gas estimation work
            switch success
            case 0 {
                invalid()
            }
        }

        require(success, "ec-add-failed");
    }

    /**
     * @notice an optimized ecMul implementation that takes O(log_2(s)) ecAdds
     * @param p the point to multiply
     * @param s the scalar to multiply by
     * @dev this function is only safe to use if the scalar is 9 bits or less
     */ 
    function scalar_mul_tiny(BN254.G1Point memory p, uint16 s) internal view returns (BN254.G1Point memory) {
        require(s < 2**9, "scalar-too-large");

        // if s is 1 return p
        if(s == 1) {
            return p;
        }

        // the accumulated product to return
        BN254.G1Point memory acc = BN254.G1Point(0, 0);
        // the 2^n*p to add to the accumulated product in each iteration
        BN254.G1Point memory p2n = p;
        // value of most significant bit
        uint16 m = 1;
        // index of most significant bit
        uint8 i = 0;

        //loop until we reach the most significant bit
        while(s >= m){
            unchecked {
                // if the  current bit is 1, add the 2^n*p to the accumulated product
                if ((s >> i) & 1 == 1) {
                    acc = plus(acc, p2n);
                }
                // double the 2^n*p for the next iteration
                p2n = plus(p2n, p2n);

                // increment the index and double the value of the most significant bit
                m <<= 1;
                ++i;
            }
        }
        
        // return the accumulated product
        return acc;
    }

    /**
     * @return r the product of a point on G1 and a scalar, i.e.
     *         p == p.scalar_mul(1) and p.plus(p) == p.scalar_mul(2) for all
     *         points p.
     */
    function scalar_mul(G1Point memory p, uint256 s) internal view returns (G1Point memory r) {
        uint256[3] memory input;
        input[0] = p.X;
        input[1] = p.Y;
        input[2] = s;
        bool success;
        // solium-disable-next-line security/no-inline-assembly
        assembly {
            success := staticcall(sub(gas(), 2000), 7, input, 0x60, r, 0x40)
            // Use "invalid" to make gas estimation work
            switch success
            case 0 {
                invalid()
            }
        }
        require(success, "ec-mul-failed");
    }

    /**
     *  @return The result of computing the pairing check
     *         e(p1[0], p2[0]) *  .... * e(p1[n], p2[n]) == 1
     *         For example,
     *         pairing([P1(), P1().negate()], [P2(), P2()]) should return true.
     */
    function pairing(
        G1Point memory a1,
        G2Point memory a2,
        G1Point memory b1,
        G2Point memory b2
    ) internal view returns (bool) {
        G1Point[2] memory p1 = [a1, b1];
        G2Point[2] memory p2 = [a2, b2];

        uint256[12] memory input;

        for (uint256 i = 0; i < 2; i++) {
            uint256 j = i * 6;
            input[j + 0] = p1[i].X;
            input[j + 1] = p1[i].Y;
            input[j + 2] = p2[i].X[0];
            input[j + 3] = p2[i].X[1];
            input[j + 4] = p2[i].Y[0];
            input[j + 5] = p2[i].Y[1];
        }

        uint256[1] memory out;
        bool success;

        // solium-disable-next-line security/no-inline-assembly
        assembly {
            success := staticcall(sub(gas(), 2000), 8, input, mul(12, 0x20), out, 0x20)
            // Use "invalid" to make gas estimation work
            switch success
            case 0 {
                invalid()
            }
        }

        require(success, "pairing-opcode-failed");

        return out[0] != 0;
    }

    /**
     * @notice This function is functionally the same as pairing(), however it specifies a gas limit
     *         the user can set, as a precompile may use the entire gas budget if it reverts.
     */
    function safePairing(
        G1Point memory a1,
        G2Point memory a2,
        G1Point memory b1,
        G2Point memory b2,
        uint256 pairingGas
    ) internal view returns (bool, bool) {
        G1Point[2] memory p1 = [a1, b1];
        G2Point[2] memory p2 = [a2, b2];

        uint256[12] memory input;

        for (uint256 i = 0; i < 2; i++) {
            uint256 j = i * 6;
            input[j + 0] = p1[i].X;
            input[j + 1] = p1[i].Y;
            input[j + 2] = p2[i].X[0];
            input[j + 3] = p2[i].X[1];
            input[j + 4] = p2[i].Y[0];
            input[j + 5] = p2[i].Y[1];
        }

        uint256[1] memory out;
        bool success;

        // solium-disable-next-line security/no-inline-assembly
        assembly {
            success := staticcall(pairingGas, 8, input, mul(12, 0x20), out, 0x20)
        }

        //Out is the output of the pairing precompile, either 0 or 1 based on whether the two pairings are equal.
        //Success is true if the precompile actually goes through (aka all inputs are valid)

        return (success, out[0] != 0);
    }

    /// @return hashedG1 the keccak256 hash of the G1 Point
    /// @dev used for BLS signatures
    function hashG1Point(BN254.G1Point memory pk) internal pure returns (bytes32 hashedG1) {
        assembly {
            mstore(0, mload(pk))
            mstore(0x20, mload(add(0x20, pk)))
            hashedG1 := keccak256(0, 0x40)
        }
    }

    /// @return the keccak256 hash of the G2 Point
    /// @dev used for BLS signatures
    function hashG2Point(
        BN254.G2Point memory pk
    ) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(pk.X[0], pk.X[1], pk.Y[0], pk.Y[1]));
    }

    /**
     * @notice adapted from https://github.com/HarryR/solcrypto/blob/master/contracts/altbn128.sol
     */
    function hashToG1(bytes32 _x) internal view returns (G1Point memory) {
        uint256 beta = 0;
        uint256 y = 0;

        uint256 x = uint256(_x) % FP_MODULUS;

        while (true) {
            (beta, y) = findYFromX(x);

            // y^2 == beta
            if( beta == mulmod(y, y, FP_MODULUS) ) {
                return G1Point(x, y);
            }

            x = addmod(x, 1, FP_MODULUS);
        }
        return G1Point(0, 0);
    }

    /**
     * Given X, find Y
     *
     *   where y = sqrt(x^3 + b)
     *
     * Returns: (x^3 + b), y
     */
    function findYFromX(uint256 x) internal view returns (uint256, uint256) {
        // beta = (x^3 + b) % p
        uint256 beta = addmod(mulmod(mulmod(x, x, FP_MODULUS), x, FP_MODULUS), 3, FP_MODULUS);

        // y^2 = x^3 + b
        // this acts like: y = sqrt(beta) = beta^((p+1) / 4)
        uint256 y = expMod(beta, 0xc19139cb84c680a6e14116da060561765e05aa45a1c72a34f082305b61f3f52, FP_MODULUS);

        return (beta, y);
    }

    function expMod(uint256 _base, uint256 _exponent, uint256 _modulus) internal view returns (uint256 retval) {
        bool success;
        uint256[1] memory output;
        uint[6] memory input;
        input[0] = 0x20; // baseLen = new(big.Int).SetBytes(getData(input, 0, 32))
        input[1] = 0x20; // expLen  = new(big.Int).SetBytes(getData(input, 32, 32))
        input[2] = 0x20; // modLen  = new(big.Int).SetBytes(getData(input, 64, 32))
        input[3] = _base;
        input[4] = _exponent;
        input[5] = _modulus;
        assembly {
            success := staticcall(sub(gas(), 2000), 5, input, 0xc0, output, 0x20)
            // Use "invalid" to make gas estimation work
            switch success
            case 0 {
                invalid()
            }
        }
        require(success, "BN254.expMod: call failure");
        return output[0];
    }
}

File 69 of 111 : RAVE.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

import { X509Verifier } from "rave/X509Verifier.sol";
import { JSONBuilder } from "rave/JSONBuilder.sol";
import { BytesUtils } from "ens-contracts/dnssec-oracle/BytesUtils.sol";
import { Base64 } from "openzeppelin/utils/Base64.sol";
import { RAVEBase } from "rave/RAVEBase.sol";

/**
 * @title RAVE
 * @author PufferFinance
 * @custom:security-contact [email protected]
 * @notice RAVe is a smart contract for verifying Remote Attestation evidence.
 */
contract RAVE is RAVEBase, JSONBuilder {
    using BytesUtils for *;

    constructor() { }

    /**
     * @inheritdoc RAVEBase
     */
    function verifyRemoteAttestation(
        bytes calldata report,
        bytes calldata sig,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) public view override returns (bytes memory payload) {
        // Decode the encoded report JSON values to a Values struct and reconstruct the original JSON string
        (Values memory reportValues, bytes memory reportBytes) = _buildReportBytes(report);

        // Verify the report was signed by the SigningPK
        if (!verifyReportSignature(reportBytes, sig, signingMod, signingExp)) {
            revert BadReportSignature();
        }

        // Verify the report's contents match the expected
        payload = _verifyReportContents(reportValues, mrenclave, mrsigner);
    }

    /**
     * @inheritdoc RAVEBase
     */
    function rave(
        bytes calldata report,
        bytes calldata sig,
        bytes memory leafX509Cert,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) public view override returns (bytes memory payload) {
        // Verify the leafX509Cert was signed with signingMod and signingExp
        (bytes memory leafCertModulus, bytes memory leafCertExponent) =
            X509Verifier.verifySignedX509(leafX509Cert, signingMod, signingExp);

        // Verify report has expected fields then extract its payload
        payload = verifyRemoteAttestation(report, sig, leafCertModulus, leafCertExponent, mrenclave, mrsigner);
    }

    /*
    * @dev Builds the JSON report string from the abi-encoded `encodedReportValues`. The assumption is that `isvEnclaveQuoteBody` value was previously base64 decoded off-chain and needs to be base64 encoded to produce the message-to-be-signed.
    * @param encodedReportValues The values from the attestation evidence report JSON from IAS.
    * @return reportValues The JSON values as a Values struct for easier processing downstream
    * @return reportBytes The exact message-to-be-signed
    */
    function _buildReportBytes(bytes memory encodedReportValues)
        internal
        pure
        returns (Values memory reportValues, bytes memory reportBytes)
    {
        // Decode the report JSON values
        (
            bytes memory id,
            bytes memory timestamp,
            bytes memory version,
            bytes memory epidPseudonym,
            bytes memory advisoryURL,
            bytes memory advisoryIDs,
            bytes memory isvEnclaveQuoteStatus,
            bytes memory isvEnclaveQuoteBody
        ) = abi.decode(encodedReportValues, (bytes, bytes, bytes, bytes, bytes, bytes, bytes, bytes));

        // Assumes the quote body was already decoded off-chain
        bytes memory encBody = bytes(Base64.encode(isvEnclaveQuoteBody));

        // Pack values to struct
        reportValues = JSONBuilder.Values(
            id, timestamp, version, epidPseudonym, advisoryURL, advisoryIDs, isvEnclaveQuoteStatus, encBody
        );

        // Reconstruct the JSON report that was signed
        reportBytes = bytes(buildJSON(reportValues));

        // Pass on the decoded value for later processing
        reportValues.isvEnclaveQuoteBody = isvEnclaveQuoteBody;
    }

    /*
    * @dev Parses a report, verifies the fields are correctly set, and extracts the enclave' 64 byte commitment.
    * @param reportValues The values from the attestation evidence report JSON from IAS.
    * @param mrenclave The expected enclave measurement.
    * @param mrsigner The expected enclave signer.
    * @return The 64 byte payload if the mrenclave and mrsigner values were correctly set.
    */
    function _verifyReportContents(Values memory reportValues, bytes32 mrenclave, bytes32 mrsigner)
        internal
        pure
        returns (bytes memory payload)
    {
        // check enclave status
        bytes32 status = keccak256(reportValues.isvEnclaveQuoteStatus);
        require(status == OK_STATUS || status == HARDENING_STATUS, "bad isvEnclaveQuoteStatus");

        // quote body is already base64 decoded
        bytes memory quoteBody = reportValues.isvEnclaveQuoteBody;
        assert(quoteBody.length == QUOTE_BODY_LENGTH);

        // Verify report's MRENCLAVE matches the expected
        bytes32 mre = quoteBody.readBytes32(MRENCLAVE_OFFSET);
        require(mre == mrenclave);

        // Verify report's MRSIGNER matches the expected
        bytes32 mrs = quoteBody.readBytes32(MRSIGNER_OFFSET);
        require(mrs == mrsigner);

        // Verify report's <= 64B payload matches the expected
        payload = quoteBody.substring(PAYLOAD_OFFSET, PAYLOAD_SIZE);
    }
}

File 70 of 111 : X509Verifier.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

import { Asn1Decode, NodePtr } from "rave/ASN1Decode.sol";
import { RSAVerify } from "ens-contracts/dnssec-oracle/algorithms/RSAVerify.sol";
import { BytesUtils } from "ens-contracts/dnssec-oracle/BytesUtils.sol";

library X509Verifier {
    using Asn1Decode for bytes;
    using BytesUtils for bytes;

    /*
     * @dev Verifies an x509 certificate was signed (RSASHA256) by the supplied public key. 
     * @param childCertBody The DER-encoded body (preimage) of the x509   child certificate
     * @param certSig The RSASHA256 signature of the childCertBody
     * @param parentMod The modulus of the parent certificate's public RSA key
     * @param parentExp The exponent of the parent certificate's public RSA key
     * @return Returns true if this childCertBody was signed by the parent's RSA private key
     */
    function verifyChildCert(
        bytes memory childCertBody,
        bytes memory certSig,
        bytes memory parentMod,
        bytes memory parentExp
    ) public view returns (bool) {
        // Recover the digest using parent's public key
        (bool success, bytes memory res) = RSAVerify.rsarecover(parentMod, parentExp, certSig);
        // Digest is last 32 bytes of res
        bytes32 recovered = res.readBytes32(res.length - 32);
        return success && recovered == sha256(childCertBody);
    }

    /*
     * @dev specs: https://www.ietf.org/rfc/rfc5280.txt
     * @dev     Certificate  ::=  SEQUENCE  {
     * @dev         tbsCertificate       TBSCertificate,
     * @dev         signatureAlgorithm   AlgorithmIdentifier,
     * @dev         signatureValue       BIT STRING  }
     * @dev
     * @dev     TBSCertificate  ::=  SEQUENCE  {
     * @dev         version         [0]  EXPLICIT Version DEFAULT v1,
     * @dev         serialNumber         CertificateSerialNumber,
     * @dev         signature            AlgorithmIdentifier,
     * @dev         issuer               Name,
     * @dev         validity             Validity,
     * @dev         subject              Name,
     * @dev         subjectPublicKeyInfo SubjectPublicKeyInfo,
     * @dev         issuerUniqueID  [1]  IMPLICIT UniqueIdentifier OPTIONAL,
     * @dev                              -- If present, version MUST be v2 or v3
     * @dev         subjectUniqueID [2]  IMPLICIT UniqueIdentifier OPTIONAL,
     * @dev                              -- If present, version MUST be v2 or v3
     * @dev         extensions      [3]  EXPLICIT Extensions OPTIONAL
     * @dev                              -- If present, version MUST be v3
     * @dev         }
     * @dev Verifies an x509 certificate was signed (RSASHA256) by the parent's
     * @dev supplied modulus and exponent, then returns the child x509's modulus and exponent.
     * @param cert The DER-encoded signed x509 certificate.
     * @param parentMod The parent RSA modulus.
     * @param parentExp The parent RSA exponent.
     * @return Returns the RSA modulus and exponent of the signed x509 certificate iff it was signed by the parent.
     */
    function verifySignedX509(bytes memory cert, bytes memory parentMod, bytes memory parentExp)
        public
        view
        returns (bytes memory, bytes memory)
    {
        // Pointer to top level asn1 object: Sequence{tbsCertificate, signatureAlgorithm, signatureValue}
        uint256 root = cert.root();

        // Traverse to first in sequence (the tbsCertificate)
        uint256 tbsPtr = cert.firstChildOf(root);

        // Extracts the TBSCerificate (what is used as input to RSA-SHA256)
        bytes memory certBody = cert.allBytesAt(tbsPtr);

        // Top level traverse to signatureAlgorithm
        uint256 sigAlgPtr = cert.nextSiblingOf(tbsPtr);

        // Top level traverse to signatureValue
        uint256 sigPtr = cert.nextSiblingOf(sigAlgPtr);

        // Extracts the signed certificate body
        bytes memory signature = cert.bytesAt(sigPtr);

        // Verify the parent signed the certBody
        require(verifyChildCert(certBody, signature, parentMod, parentExp), "verifyChildCert fail");

        //  ----------------
        // Begin traversing the tbsCertificate
        //  ----------------

        // Traverse to first child of tbsCertificate
        uint256 ptr = cert.firstChildOf(tbsPtr);

        // Account for v1 vs v3
        if (cert[NodePtr.ixs(ptr)] == 0xa0) {
            ptr = cert.nextSiblingOf(ptr);
        }

        // Extract serialNumber (CertificateSerialNumber)
        // uint256 serialNumber = uint160(cert.uintAt(ptr));

        // Skip the next 3 fields (signature, issuer, validity, subject)
        ptr = cert.nextSiblingOf(ptr); // point to signature
        ptr = cert.nextSiblingOf(ptr); // point to issuer
        ptr = cert.nextSiblingOf(ptr); // point to validity

        // Arrive at the validity field
        // todo verifiy validity timestamps
        // uint256 validityPtr = ptr;
        // bytes memory validNotBefore = cert.bytesAt(validityPtr);
        // console.logBytes(validNotBefore);
        // uint40 validNotBefore = uint40(toTimestamp(cert.bytesAt(validityPtr)));
        // console.log("validNotBefore: %s", validNotBefore);
        // validityPtr = cert.nextSiblingOf(validityPtr);
        // bytes memory validNotAfter = cert.bytesAt(validityPtr);
        // console.logBytes(validNotAfter);
        // uint40 validNotAfter = uint40(toTimestamp(cert.bytesAt(validityPtr)));
        // console.log("validNotAfter: %s", validNotAfter);

        // Traverse until the subjectPublicKeyInfo field
        ptr = cert.nextSiblingOf(ptr); // point to subject
        ptr = cert.nextSiblingOf(ptr); // point to subjectPublicKeyInfo

        // Enter subjectPublicKeyInfo
        ptr = cert.firstChildOf(ptr); // point to subjectPublicKeyInfo.algorithm
        ptr = cert.nextSiblingOf(ptr); // point to subjectPublicKeyInfo.subjectPublicKey

        // Extract DER-encoded RSA public key
        bytes memory pubKey = cert.bitstringAt(ptr);

        // Extract RSA modulus
        uint256 pkPtr = pubKey.root();
        pkPtr = pubKey.firstChildOf(pkPtr);
        bytes memory modulus = pubKey.bytesAt(pkPtr);

        // Extract RSA exponent
        pkPtr = pubKey.nextSiblingOf(pkPtr);
        bytes memory exponent = pubKey.bytesAt(pkPtr);

        return (modulus, exponent);
    }

    /*
     * @dev Verifies the x509 certificate hasn't expired
     * @param certBody The DER-encoded body (preimage) of the x509 
     * @return Returns ...
     */
    function notExpired(bytes calldata) public pure returns (bool) {
        // TODO
        return true;
    }
}

File 71 of 111 : IEnclaveVerifier.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { RaveEvidence } from "puffer/struct/RaveEvidence.sol";

/**
 * @title IEnclaveVerifier interface
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IEnclaveVerifier {
    struct RSAPubKey {
        bytes modulus;
        bytes exponent;
    }

    /**
     * @notice Thrown if the Evidence that we're trying to verify is stale
     * Evidence should be submitted for the recent block < `FRESHNESS_BLOCKS`
     * @dev Signature "0x5d4ad9a9"
     */
    error StaleEvidence();

    /**
     * @notice Emitted when the `pubKeyHash` is added to valid pubKeys
     * @dev Signature "0x13b85b042d2bb270091da7111e3b3cc407f6b86c85882cf48ae94123cae22b17"
     */
    event AddedPubKey(bytes32 indexed pubKeyHash);

    /**
     * @notice Emitted when the `pubKeyHash` is removed from valid pubKeys
     * @dev Signature "0x0ebd07953ae533bded7d9b0715fa49e0a0ed0a6cef4638a685737ffef8b86254"
     */
    event RemovedPubKey(bytes32 indexed pubKeyHash);

    /**
     * @notice Getter for intelRootCAPubKey
     */
    function getIntelRootCAPubKey() external pure returns (RSAPubKey memory);

    /**
     * @notice Adds a leaf x509 RSA public key if the x509 was signed by Intel's root CA
     * @param leafX509Cert certificate
     */
    function addLeafX509(bytes calldata leafX509Cert) external;

    /**
     * @notice Verifies remote attestation evidence: the report contains the expected MRENCLAVE/MRSIGNER values, a valid TCB status, and was signed by an Intel-issued x509 certificate. The report will contain a 64B payload in the form (32B_Commitment || 32B_BlockHash), where 32B_Blockhash is a recent L1 blockhash and 32B_Commitment is a keccak256 hash that the enclave is committing to. The calling contract is expected to precompute raveCommitment from public inputs. The function returns true if the report is valid and the extracted payload matches the expected.
     * @param blockNumber is the block number to fetch 32B_Blockhash
     * @param raveCommitment is the keccak256 hash commitment 32B_Commitment
     * @param evidence is the remote attestation evidence
     * @param mrenclave is the MRENCLAVE value expected by the calling contract
     * @param mrsigner is the MRSIGNER value expected by the calling contract
     * @return true if evidence verification is a success
     */
    function verifyEvidence(
        uint256 blockNumber,
        bytes32 raveCommitment,
        RaveEvidence calldata evidence,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) external view returns (bool);
}

File 72 of 111 : AccessManaged.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AccessManaged.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "./IAuthority.sol";
import {AuthorityUtils} from "./AuthorityUtils.sol";
import {IAccessManager} from "./IAccessManager.sol";
import {IAccessManaged} from "./IAccessManaged.sol";
import {Context} from "../../utils/Context.sol";

/**
 * @dev This contract module makes available a {restricted} modifier. Functions decorated with this modifier will be
 * permissioned according to an "authority": a contract like {AccessManager} that follows the {IAuthority} interface,
 * implementing a policy that allows certain callers to access certain functions.
 *
 * IMPORTANT: The `restricted` modifier should never be used on `internal` functions, judiciously used in `public`
 * functions, and ideally only used in `external` functions. See {restricted}.
 */
abstract contract AccessManaged is Context, IAccessManaged {
    address private _authority;

    bool private _consumingSchedule;

    /**
     * @dev Initializes the contract connected to an initial authority.
     */
    constructor(address initialAuthority) {
        _setAuthority(initialAuthority);
    }

    /**
     * @dev Restricts access to a function as defined by the connected Authority for this contract and the
     * caller and selector of the function that entered the contract.
     *
     * [IMPORTANT]
     * ====
     * In general, this modifier should only be used on `external` functions. It is okay to use it on `public`
     * functions that are used as external entry points and are not called internally. Unless you know what you're
     * doing, it should never be used on `internal` functions. Failure to follow these rules can have critical security
     * implications! This is because the permissions are determined by the function that entered the contract, i.e. the
     * function at the bottom of the call stack, and not the function where the modifier is visible in the source code.
     * ====
     *
     * [WARNING]
     * ====
     * Avoid adding this modifier to the https://docs.soliditylang.org/en/v0.8.20/contracts.html#receive-ether-function[`receive()`]
     * function or the https://docs.soliditylang.org/en/v0.8.20/contracts.html#fallback-function[`fallback()`]. These
     * functions are the only execution paths where a function selector cannot be unambiguosly determined from the calldata
     * since the selector defaults to `0x00000000` in the `receive()` function and similarly in the `fallback()` function
     * if no calldata is provided. (See {_checkCanCall}).
     *
     * The `receive()` function will always panic whereas the `fallback()` may panic depending on the calldata length.
     * ====
     */
    modifier restricted() {
        _checkCanCall(_msgSender(), _msgData());
        _;
    }

    /// @inheritdoc IAccessManaged
    function authority() public view virtual returns (address) {
        return _authority;
    }

    /// @inheritdoc IAccessManaged
    function setAuthority(address newAuthority) public virtual {
        address caller = _msgSender();
        if (caller != authority()) {
            revert AccessManagedUnauthorized(caller);
        }
        if (newAuthority.code.length == 0) {
            revert AccessManagedInvalidAuthority(newAuthority);
        }
        _setAuthority(newAuthority);
    }

    /// @inheritdoc IAccessManaged
    function isConsumingScheduledOp() public view returns (bytes4) {
        return _consumingSchedule ? this.isConsumingScheduledOp.selector : bytes4(0);
    }

    /**
     * @dev Transfers control to a new authority. Internal function with no access restriction. Allows bypassing the
     * permissions set by the current authority.
     */
    function _setAuthority(address newAuthority) internal virtual {
        _authority = newAuthority;
        emit AuthorityUpdated(newAuthority);
    }

    /**
     * @dev Reverts if the caller is not allowed to call the function identified by a selector. Panics if the calldata
     * is less than 4 bytes long.
     */
    function _checkCanCall(address caller, bytes calldata data) internal virtual {
        (bool immediate, uint32 delay) = AuthorityUtils.canCallWithDelay(
            authority(),
            caller,
            address(this),
            bytes4(data[0:4])
        );
        if (!immediate) {
            if (delay > 0) {
                _consumingSchedule = true;
                IAccessManager(authority()).consumeScheduledOp(caller, data);
                _consumingSchedule = false;
            } else {
                revert AccessManagedUnauthorized(caller);
            }
        }
    }
}

File 73 of 111 : IPufferVault.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @title PufferVault
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
interface IPufferVault {
    /**
     * @notice Emitted when we request withdrawals from Lido
     */
    event RequestedWithdrawals(uint256[] requestIds);
    /**
     * @notice Emitted when we claim the withdrawals from Lido
     */
    event ClaimedWithdrawals(uint256[] requestIds);
    /**
     * @notice Emitted when the user tries to do a withdrawal
     */

    /**
     * @dev Thrown when withdrawals are disabled and a withdrawal attempt is made
     */
    error WithdrawalsAreDisabled();

    /**
     * @dev Thrown when a withdrawal attempt is made with invalid parameters
     */
    error InvalidWithdrawal();
}

File 74 of 111 : PufferVaultStorage.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;

import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import { EnumerableMap } from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";

/**
 * @title PufferVaultStorage
 * @author Puffer Finance
 * @custom:security-contact [email protected]
 */
abstract contract PufferVaultStorage {
    /**
     * @custom:storage-location erc7201:puffervault.storage
     * @dev +-----------------------------------------------------------+
     *      |                                                           |
     *      | DO NOT CHANGE, REORDER, REMOVE EXISTING STORAGE VARIABLES |
     *      |                                                           |
     *      +-----------------------------------------------------------+
     */
    struct VaultStorage {
        // 6 Slots for Redemption logic
        uint256 lidoLockedETH;
        uint256 eigenLayerPendingWithdrawalSharesAmount;
        bool isLidoWithdrawal; // Not in use in PufferVaultV2
        EnumerableSet.UintSet lidoWithdrawals; // Not in use in PufferVaultV2
        EnumerableSet.Bytes32Set eigenLayerWithdrawals;
        EnumerableMap.UintToUintMap lidoWithdrawalAmounts;
        // 1 Slot for daily withdrawal limits
        uint96 dailyAssetsWithdrawalLimit;
        uint96 assetsWithdrawnToday;
        uint64 lastWithdrawalDay;
        // 1 slot for withdrawal fee
        uint256 exitFeeBasisPoints;
    }

    // keccak256(abi.encode(uint256(keccak256("puffervault.depositTracker")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 internal constant _DEPOSIT_TRACKER_LOCATION =
        0x78b7b410d94d33094d5b8a71f1c003e2cbb9e212054d2df1984e3dabc3b25e00;

    // keccak256(abi.encode(uint256(keccak256("puffervault.storage")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant _VAULT_STORAGE_LOCATION =
        0x611ea165ca9257827fc43d2954fdae7d825e82c825d9037db9337fa1bfa93100;

    function _getPufferVaultStorage() internal pure returns (VaultStorage storage $) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            $.slot := _VAULT_STORAGE_LOCATION
        }
    }
}

File 75 of 111 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be
     * reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 76 of 111 : UUPSUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.20;

import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol";
import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
import {Initializable} from "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    address private immutable __self = address(this);

    /**
     * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`
     * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,
     * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.
     * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must
     * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function
     * during an upgrade.
     */
    string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";

    /**
     * @dev The call is from an unauthorized context.
     */
    error UUPSUnauthorizedCallContext();

    /**
     * @dev The storage `slot` is unsupported as a UUID.
     */
    error UUPSUnsupportedProxiableUUID(bytes32 slot);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        _checkProxy();
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        _checkNotDelegated();
        _;
    }

    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual notDelegated returns (bytes32) {
        return ERC1967Utils.IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data);
    }

    /**
     * @dev Reverts if the execution is not performed via delegatecall or the execution
     * context is not of a proxy with an ERC1967-compliant implementation pointing to self.
     * See {_onlyProxy}.
     */
    function _checkProxy() internal view virtual {
        if (
            address(this) == __self || // Must be called through delegatecall
            ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
        ) {
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Reverts if the execution is performed via delegatecall.
     * See {notDelegated}.
     */
    function _checkNotDelegated() internal view virtual {
        if (address(this) != __self) {
            // Must not be called through delegatecall
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

    /**
     * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.
     *
     * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value
     * is expected to be the implementation slot in ERC1967.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {
        try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
            if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
                revert UUPSUnsupportedProxiableUUID(slot);
            }
            ERC1967Utils.upgradeToAndCall(newImplementation, data);
        } catch {
            // The implementation is not UUPS
            revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
        }
    }
}

File 77 of 111 : AccessManagedUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AccessManaged.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "@openzeppelin/contracts/access/manager/IAuthority.sol";
import {AuthorityUtils} from "@openzeppelin/contracts/access/manager/AuthorityUtils.sol";
import {IAccessManager} from "@openzeppelin/contracts/access/manager/IAccessManager.sol";
import {IAccessManaged} from "@openzeppelin/contracts/access/manager/IAccessManaged.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev This contract module makes available a {restricted} modifier. Functions decorated with this modifier will be
 * permissioned according to an "authority": a contract like {AccessManager} that follows the {IAuthority} interface,
 * implementing a policy that allows certain callers to access certain functions.
 *
 * IMPORTANT: The `restricted` modifier should never be used on `internal` functions, judiciously used in `public`
 * functions, and ideally only used in `external` functions. See {restricted}.
 */
abstract contract AccessManagedUpgradeable is Initializable, ContextUpgradeable, IAccessManaged {
    /// @custom:storage-location erc7201:openzeppelin.storage.AccessManaged
    struct AccessManagedStorage {
        address _authority;

        bool _consumingSchedule;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessManaged")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant AccessManagedStorageLocation = 0xf3177357ab46d8af007ab3fdb9af81da189e1068fefdc0073dca88a2cab40a00;

    function _getAccessManagedStorage() private pure returns (AccessManagedStorage storage $) {
        assembly {
            $.slot := AccessManagedStorageLocation
        }
    }

    /**
     * @dev Initializes the contract connected to an initial authority.
     */
    function __AccessManaged_init(address initialAuthority) internal onlyInitializing {
        __AccessManaged_init_unchained(initialAuthority);
    }

    function __AccessManaged_init_unchained(address initialAuthority) internal onlyInitializing {
        _setAuthority(initialAuthority);
    }

    /**
     * @dev Restricts access to a function as defined by the connected Authority for this contract and the
     * caller and selector of the function that entered the contract.
     *
     * [IMPORTANT]
     * ====
     * In general, this modifier should only be used on `external` functions. It is okay to use it on `public`
     * functions that are used as external entry points and are not called internally. Unless you know what you're
     * doing, it should never be used on `internal` functions. Failure to follow these rules can have critical security
     * implications! This is because the permissions are determined by the function that entered the contract, i.e. the
     * function at the bottom of the call stack, and not the function where the modifier is visible in the source code.
     * ====
     *
     * [WARNING]
     * ====
     * Avoid adding this modifier to the https://docs.soliditylang.org/en/v0.8.20/contracts.html#receive-ether-function[`receive()`]
     * function or the https://docs.soliditylang.org/en/v0.8.20/contracts.html#fallback-function[`fallback()`]. These
     * functions are the only execution paths where a function selector cannot be unambiguosly determined from the calldata
     * since the selector defaults to `0x00000000` in the `receive()` function and similarly in the `fallback()` function
     * if no calldata is provided. (See {_checkCanCall}).
     *
     * The `receive()` function will always panic whereas the `fallback()` may panic depending on the calldata length.
     * ====
     */
    modifier restricted() {
        _checkCanCall(_msgSender(), _msgData());
        _;
    }

    /// @inheritdoc IAccessManaged
    function authority() public view virtual returns (address) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._authority;
    }

    /// @inheritdoc IAccessManaged
    function setAuthority(address newAuthority) public virtual {
        address caller = _msgSender();
        if (caller != authority()) {
            revert AccessManagedUnauthorized(caller);
        }
        if (newAuthority.code.length == 0) {
            revert AccessManagedInvalidAuthority(newAuthority);
        }
        _setAuthority(newAuthority);
    }

    /// @inheritdoc IAccessManaged
    function isConsumingScheduledOp() public view returns (bytes4) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._consumingSchedule ? this.isConsumingScheduledOp.selector : bytes4(0);
    }

    /**
     * @dev Transfers control to a new authority. Internal function with no access restriction. Allows bypassing the
     * permissions set by the current authority.
     */
    function _setAuthority(address newAuthority) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        $._authority = newAuthority;
        emit AuthorityUpdated(newAuthority);
    }

    /**
     * @dev Reverts if the caller is not allowed to call the function identified by a selector. Panics if the calldata
     * is less than 4 bytes long.
     */
    function _checkCanCall(address caller, bytes calldata data) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        (bool immediate, uint32 delay) = AuthorityUtils.canCallWithDelay(
            authority(),
            caller,
            address(this),
            bytes4(data[0:4])
        );
        if (!immediate) {
            if (delay > 0) {
                $._consumingSchedule = true;
                IAccessManager(authority()).consumeScheduledOp(caller, data);
                $._consumingSchedule = false;
            } else {
                revert AccessManagedUnauthorized(caller);
            }
        }
    }
}

File 78 of 111 : ERC4626Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC4626.sol)

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ERC20Upgradeable} from "../ERC20Upgradeable.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the ERC4626 "Tokenized Vault Standard" as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[EIP-4626].
 *
 * This extension allows the minting and burning of "shares" (represented using the ERC20 inheritance) in exchange for
 * underlying "assets" through standardized {deposit}, {mint}, {redeem} and {burn} workflows. This contract extends
 * the ERC20 standard. Any additional extensions included along it would affect the "shares" token represented by this
 * contract and not the "assets" token which is an independent contract.
 *
 * [CAUTION]
 * ====
 * In empty (or nearly empty) ERC-4626 vaults, deposits are at high risk of being stolen through frontrunning
 * with a "donation" to the vault that inflates the price of a share. This is variously known as a donation or inflation
 * attack and is essentially a problem of slippage. Vault deployers can protect against this attack by making an initial
 * deposit of a non-trivial amount of the asset, such that price manipulation becomes infeasible. Withdrawals may
 * similarly be affected by slippage. Users can protect against this attack as well as unexpected slippage in general by
 * verifying the amount received is as expected, using a wrapper that performs these checks such as
 * https://github.com/fei-protocol/ERC4626#erc4626router-and-base[ERC4626Router].
 *
 * Since v4.9, this implementation uses virtual assets and shares to mitigate that risk. The `_decimalsOffset()`
 * corresponds to an offset in the decimal representation between the underlying asset's decimals and the vault
 * decimals. This offset also determines the rate of virtual shares to virtual assets in the vault, which itself
 * determines the initial exchange rate. While not fully preventing the attack, analysis shows that the default offset
 * (0) makes it non-profitable, as a result of the value being captured by the virtual shares (out of the attacker's
 * donation) matching the attacker's expected gains. With a larger offset, the attack becomes orders of magnitude more
 * expensive than it is profitable. More details about the underlying math can be found
 * xref:erc4626.adoc#inflation-attack[here].
 *
 * The drawback of this approach is that the virtual shares do capture (a very small) part of the value being accrued
 * to the vault. Also, if the vault experiences losses, the users try to exit the vault, the virtual shares and assets
 * will cause the first user to exit to experience reduced losses in detriment to the last users that will experience
 * bigger losses. Developers willing to revert back to the pre-v4.9 behavior just need to override the
 * `_convertToShares` and `_convertToAssets` functions.
 *
 * To learn more, check out our xref:ROOT:erc4626.adoc[ERC-4626 guide].
 * ====
 */
abstract contract ERC4626Upgradeable is Initializable, ERC20Upgradeable, IERC4626 {
    using Math for uint256;

    /// @custom:storage-location erc7201:openzeppelin.storage.ERC4626
    struct ERC4626Storage {
        IERC20 _asset;
        uint8 _underlyingDecimals;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC4626")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC4626StorageLocation = 0x0773e532dfede91f04b12a73d3d2acd361424f41f76b4fb79f090161e36b4e00;

    function _getERC4626Storage() private pure returns (ERC4626Storage storage $) {
        assembly {
            $.slot := ERC4626StorageLocation
        }
    }

    /**
     * @dev Attempted to deposit more assets than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxDeposit(address receiver, uint256 assets, uint256 max);

    /**
     * @dev Attempted to mint more shares than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxMint(address receiver, uint256 shares, uint256 max);

    /**
     * @dev Attempted to withdraw more assets than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxWithdraw(address owner, uint256 assets, uint256 max);

    /**
     * @dev Attempted to redeem more shares than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxRedeem(address owner, uint256 shares, uint256 max);

    /**
     * @dev Set the underlying asset contract. This must be an ERC20-compatible contract (ERC20 or ERC777).
     */
    function __ERC4626_init(IERC20 asset_) internal onlyInitializing {
        __ERC4626_init_unchained(asset_);
    }

    function __ERC4626_init_unchained(IERC20 asset_) internal onlyInitializing {
        ERC4626Storage storage $ = _getERC4626Storage();
        (bool success, uint8 assetDecimals) = _tryGetAssetDecimals(asset_);
        $._underlyingDecimals = success ? assetDecimals : 18;
        $._asset = asset_;
    }

    /**
     * @dev Attempts to fetch the asset decimals. A return value of false indicates that the attempt failed in some way.
     */
    function _tryGetAssetDecimals(IERC20 asset_) private view returns (bool, uint8) {
        (bool success, bytes memory encodedDecimals) = address(asset_).staticcall(
            abi.encodeCall(IERC20Metadata.decimals, ())
        );
        if (success && encodedDecimals.length >= 32) {
            uint256 returnedDecimals = abi.decode(encodedDecimals, (uint256));
            if (returnedDecimals <= type(uint8).max) {
                return (true, uint8(returnedDecimals));
            }
        }
        return (false, 0);
    }

    /**
     * @dev Decimals are computed by adding the decimal offset on top of the underlying asset's decimals. This
     * "original" value is cached during construction of the vault contract. If this read operation fails (e.g., the
     * asset has not been created yet), a default of 18 is used to represent the underlying asset's decimals.
     *
     * See {IERC20Metadata-decimals}.
     */
    function decimals() public view virtual override(IERC20Metadata, ERC20Upgradeable) returns (uint8) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return $._underlyingDecimals + _decimalsOffset();
    }

    /** @dev See {IERC4626-asset}. */
    function asset() public view virtual returns (address) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return address($._asset);
    }

    /** @dev See {IERC4626-totalAssets}. */
    function totalAssets() public view virtual returns (uint256) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return $._asset.balanceOf(address(this));
    }

    /** @dev See {IERC4626-convertToShares}. */
    function convertToShares(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-convertToAssets}. */
    function convertToAssets(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-maxDeposit}. */
    function maxDeposit(address) public view virtual returns (uint256) {
        return type(uint256).max;
    }

    /** @dev See {IERC4626-maxMint}. */
    function maxMint(address) public view virtual returns (uint256) {
        return type(uint256).max;
    }

    /** @dev See {IERC4626-maxWithdraw}. */
    function maxWithdraw(address owner) public view virtual returns (uint256) {
        return _convertToAssets(balanceOf(owner), Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-maxRedeem}. */
    function maxRedeem(address owner) public view virtual returns (uint256) {
        return balanceOf(owner);
    }

    /** @dev See {IERC4626-previewDeposit}. */
    function previewDeposit(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-previewMint}. */
    function previewMint(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Ceil);
    }

    /** @dev See {IERC4626-previewWithdraw}. */
    function previewWithdraw(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Ceil);
    }

    /** @dev See {IERC4626-previewRedeem}. */
    function previewRedeem(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-deposit}. */
    function deposit(uint256 assets, address receiver) public virtual returns (uint256) {
        uint256 maxAssets = maxDeposit(receiver);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
        }

        uint256 shares = previewDeposit(assets);
        _deposit(_msgSender(), receiver, assets, shares);

        return shares;
    }

    /** @dev See {IERC4626-mint}.
     *
     * As opposed to {deposit}, minting is allowed even if the vault is in a state where the price of a share is zero.
     * In this case, the shares will be minted without requiring any assets to be deposited.
     */
    function mint(uint256 shares, address receiver) public virtual returns (uint256) {
        uint256 maxShares = maxMint(receiver);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxMint(receiver, shares, maxShares);
        }

        uint256 assets = previewMint(shares);
        _deposit(_msgSender(), receiver, assets, shares);

        return assets;
    }

    /** @dev See {IERC4626-withdraw}. */
    function withdraw(uint256 assets, address receiver, address owner) public virtual returns (uint256) {
        uint256 maxAssets = maxWithdraw(owner);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxWithdraw(owner, assets, maxAssets);
        }

        uint256 shares = previewWithdraw(assets);
        _withdraw(_msgSender(), receiver, owner, assets, shares);

        return shares;
    }

    /** @dev See {IERC4626-redeem}. */
    function redeem(uint256 shares, address receiver, address owner) public virtual returns (uint256) {
        uint256 maxShares = maxRedeem(owner);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxRedeem(owner, shares, maxShares);
        }

        uint256 assets = previewRedeem(shares);
        _withdraw(_msgSender(), receiver, owner, assets, shares);

        return assets;
    }

    /**
     * @dev Internal conversion function (from assets to shares) with support for rounding direction.
     */
    function _convertToShares(uint256 assets, Math.Rounding rounding) internal view virtual returns (uint256) {
        return assets.mulDiv(totalSupply() + 10 ** _decimalsOffset(), totalAssets() + 1, rounding);
    }

    /**
     * @dev Internal conversion function (from shares to assets) with support for rounding direction.
     */
    function _convertToAssets(uint256 shares, Math.Rounding rounding) internal view virtual returns (uint256) {
        return shares.mulDiv(totalAssets() + 1, totalSupply() + 10 ** _decimalsOffset(), rounding);
    }

    /**
     * @dev Deposit/mint common workflow.
     */
    function _deposit(address caller, address receiver, uint256 assets, uint256 shares) internal virtual {
        ERC4626Storage storage $ = _getERC4626Storage();
        // If _asset is ERC777, `transferFrom` can trigger a reentrancy BEFORE the transfer happens through the
        // `tokensToSend` hook. On the other hand, the `tokenReceived` hook, that is triggered after the transfer,
        // calls the vault, which is assumed not malicious.
        //
        // Conclusion: we need to do the transfer before we mint so that any reentrancy would happen before the
        // assets are transferred and before the shares are minted, which is a valid state.
        // slither-disable-next-line reentrancy-no-eth
        SafeERC20.safeTransferFrom($._asset, caller, address(this), assets);
        _mint(receiver, shares);

        emit Deposit(caller, receiver, assets, shares);
    }

    /**
     * @dev Withdraw/redeem common workflow.
     */
    function _withdraw(
        address caller,
        address receiver,
        address owner,
        uint256 assets,
        uint256 shares
    ) internal virtual {
        ERC4626Storage storage $ = _getERC4626Storage();
        if (caller != owner) {
            _spendAllowance(owner, caller, shares);
        }

        // If _asset is ERC777, `transfer` can trigger a reentrancy AFTER the transfer happens through the
        // `tokensReceived` hook. On the other hand, the `tokensToSend` hook, that is triggered before the transfer,
        // calls the vault, which is assumed not malicious.
        //
        // Conclusion: we need to do the transfer after the burn so that any reentrancy would happen after the
        // shares are burned and after the assets are transferred, which is a valid state.
        _burn(owner, shares);
        SafeERC20.safeTransfer($._asset, receiver, assets);

        emit Withdraw(caller, receiver, owner, assets, shares);
    }

    function _decimalsOffset() internal view virtual returns (uint8) {
        return 0;
    }
}

File 79 of 111 : ERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors {
    /// @custom:storage-location erc7201:openzeppelin.storage.ERC20
    struct ERC20Storage {
        mapping(address account => uint256) _balances;

        mapping(address account => mapping(address spender => uint256)) _allowances;

        uint256 _totalSupply;

        string _name;
        string _symbol;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;

    function _getERC20Storage() private pure returns (ERC20Storage storage $) {
        assembly {
            $.slot := ERC20StorageLocation
        }
    }

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        ERC20Storage storage $ = _getERC20Storage();
        $._name = name_;
        $._symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            $._totalSupply += value;
        } else {
            uint256 fromBalance = $._balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                $._balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                $._totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                $._balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        $._allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

File 80 of 111 : ERC20PermitUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Permit.sol)

pragma solidity ^0.8.20;

import {IERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import {ERC20Upgradeable} from "../ERC20Upgradeable.sol";
import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import {EIP712Upgradeable} from "../../../utils/cryptography/EIP712Upgradeable.sol";
import {NoncesUpgradeable} from "../../../utils/NoncesUpgradeable.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
abstract contract ERC20PermitUpgradeable is Initializable, ERC20Upgradeable, IERC20Permit, EIP712Upgradeable, NoncesUpgradeable {
    bytes32 private constant PERMIT_TYPEHASH =
        keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");

    /**
     * @dev Permit deadline has expired.
     */
    error ERC2612ExpiredSignature(uint256 deadline);

    /**
     * @dev Mismatched signature.
     */
    error ERC2612InvalidSigner(address signer, address owner);

    /**
     * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`.
     *
     * It's a good idea to use the same `name` that is defined as the ERC20 token name.
     */
    function __ERC20Permit_init(string memory name) internal onlyInitializing {
        __EIP712_init_unchained(name, "1");
    }

    function __ERC20Permit_init_unchained(string memory) internal onlyInitializing {}

    /**
     * @inheritdoc IERC20Permit
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        if (block.timestamp > deadline) {
            revert ERC2612ExpiredSignature(deadline);
        }

        bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));

        bytes32 hash = _hashTypedDataV4(structHash);

        address signer = ECDSA.recover(hash, v, r, s);
        if (signer != owner) {
            revert ERC2612InvalidSigner(signer, owner);
        }

        _approve(owner, spender, value);
    }

    /**
     * @inheritdoc IERC20Permit
     */
    function nonces(address owner) public view virtual override(IERC20Permit, NoncesUpgradeable) returns (uint256) {
        return super.nonces(owner);
    }

    /**
     * @inheritdoc IERC20Permit
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {
        return _domainSeparatorV4();
    }
}

File 81 of 111 : ERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors {
    /// @custom:storage-location erc7201:openzeppelin.storage.ERC20
    struct ERC20Storage {
        mapping(address account => uint256) _balances;

        mapping(address account => mapping(address spender => uint256)) _allowances;

        uint256 _totalSupply;

        string _name;
        string _symbol;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;

    function _getERC20Storage() private pure returns (ERC20Storage storage $) {
        assembly {
            $.slot := ERC20StorageLocation
        }
    }

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        ERC20Storage storage $ = _getERC20Storage();
        $._name = name_;
        $._symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            $._totalSupply += value;
        } else {
            uint256 fromBalance = $._balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                $._balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                $._totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                $._balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        $._allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

File 82 of 111 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.20;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS
    }

    /**
     * @dev The signature derives the `address(0)`.
     */
    error ECDSAInvalidSignature();

    /**
     * @dev The signature has an invalid length.
     */
    error ECDSAInvalidSignatureLength(uint256 length);

    /**
     * @dev The signature has an S value that is in the upper half order.
     */
    error ECDSAInvalidSignatureS(bytes32 s);

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
     * return address(0) without also returning an error description. Errors are documented using an enum (error type)
     * and a bytes32 providing additional information about the error.
     *
     * If no error is returned, then the address can be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
        unchecked {
            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
            // We do not check for an overflow here since the shift operation results in 0 or 1.
            uint8 v = uint8((uint256(vs) >> 255) + 27);
            return tryRecover(hash, v, r, s);
        }
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError, bytes32) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS, s);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature, bytes32(0));
        }

        return (signer, RecoverError.NoError, bytes32(0));
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
     */
    function _throwError(RecoverError error, bytes32 errorArg) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert ECDSAInvalidSignature();
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert ECDSAInvalidSignatureLength(uint256(errorArg));
        } else if (error == RecoverError.InvalidSignatureS) {
            revert ECDSAInvalidSignatureS(errorArg);
        }
    }
}

File 83 of 111 : EIP712Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.20;

import {MessageHashUtils} from "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol";
import {IERC5267} from "@openzeppelin/contracts/interfaces/IERC5267.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose
 * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract
 * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to
 * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain
 * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the
 * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.
 */
abstract contract EIP712Upgradeable is Initializable, IERC5267 {
    bytes32 private constant TYPE_HASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    /// @custom:storage-location erc7201:openzeppelin.storage.EIP712
    struct EIP712Storage {
        /// @custom:oz-renamed-from _HASHED_NAME
        bytes32 _hashedName;
        /// @custom:oz-renamed-from _HASHED_VERSION
        bytes32 _hashedVersion;

        string _name;
        string _version;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.EIP712")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant EIP712StorageLocation = 0xa16a46d94261c7517cc8ff89f61c0ce93598e3c849801011dee649a6a557d100;

    function _getEIP712Storage() private pure returns (EIP712Storage storage $) {
        assembly {
            $.slot := EIP712StorageLocation
        }
    }

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    function __EIP712_init(string memory name, string memory version) internal onlyInitializing {
        __EIP712_init_unchained(name, version);
    }

    function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {
        EIP712Storage storage $ = _getEIP712Storage();
        $._name = name;
        $._version = version;

        // Reset prior values in storage if upgrading
        $._hashedName = 0;
        $._hashedVersion = 0;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        return _buildDomainSeparator();
    }

    function _buildDomainSeparator() private view returns (bytes32) {
        return keccak256(abi.encode(TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash(), block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);
    }

    /**
     * @dev See {IERC-5267}.
     */
    function eip712Domain()
        public
        view
        virtual
        returns (
            bytes1 fields,
            string memory name,
            string memory version,
            uint256 chainId,
            address verifyingContract,
            bytes32 salt,
            uint256[] memory extensions
        )
    {
        EIP712Storage storage $ = _getEIP712Storage();
        // If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized
        // and the EIP712 domain is not reliable, as it will be missing name and version.
        require($._hashedName == 0 && $._hashedVersion == 0, "EIP712: Uninitialized");

        return (
            hex"0f", // 01111
            _EIP712Name(),
            _EIP712Version(),
            block.chainid,
            address(this),
            bytes32(0),
            new uint256[](0)
        );
    }

    /**
     * @dev The name parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712Name() internal view virtual returns (string memory) {
        EIP712Storage storage $ = _getEIP712Storage();
        return $._name;
    }

    /**
     * @dev The version parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712Version() internal view virtual returns (string memory) {
        EIP712Storage storage $ = _getEIP712Storage();
        return $._version;
    }

    /**
     * @dev The hash of the name parameter for the EIP712 domain.
     *
     * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead.
     */
    function _EIP712NameHash() internal view returns (bytes32) {
        EIP712Storage storage $ = _getEIP712Storage();
        string memory name = _EIP712Name();
        if (bytes(name).length > 0) {
            return keccak256(bytes(name));
        } else {
            // If the name is empty, the contract may have been upgraded without initializing the new storage.
            // We return the name hash in storage if non-zero, otherwise we assume the name is empty by design.
            bytes32 hashedName = $._hashedName;
            if (hashedName != 0) {
                return hashedName;
            } else {
                return keccak256("");
            }
        }
    }

    /**
     * @dev The hash of the version parameter for the EIP712 domain.
     *
     * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead.
     */
    function _EIP712VersionHash() internal view returns (bytes32) {
        EIP712Storage storage $ = _getEIP712Storage();
        string memory version = _EIP712Version();
        if (bytes(version).length > 0) {
            return keccak256(bytes(version));
        } else {
            // If the version is empty, the contract may have been upgraded without initializing the new storage.
            // We return the version hash in storage if non-zero, otherwise we assume the version is empty by design.
            bytes32 hashedVersion = $._hashedVersion;
            if (hashedVersion != 0) {
                return hashedVersion;
            } else {
                return keccak256("");
            }
        }
    }
}

File 84 of 111 : NoncesUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Provides tracking nonces for addresses. Nonces will only increment.
 */
abstract contract NoncesUpgradeable is Initializable {
    /**
     * @dev The nonce used for an `account` is not the expected current nonce.
     */
    error InvalidAccountNonce(address account, uint256 currentNonce);

    /// @custom:storage-location erc7201:openzeppelin.storage.Nonces
    struct NoncesStorage {
        mapping(address account => uint256) _nonces;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Nonces")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant NoncesStorageLocation = 0x5ab42ced628888259c08ac98db1eb0cf702fc1501344311d8b100cd1bfe4bb00;

    function _getNoncesStorage() private pure returns (NoncesStorage storage $) {
        assembly {
            $.slot := NoncesStorageLocation
        }
    }

    function __Nonces_init() internal onlyInitializing {
    }

    function __Nonces_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Returns the next unused nonce for an address.
     */
    function nonces(address owner) public view virtual returns (uint256) {
        NoncesStorage storage $ = _getNoncesStorage();
        return $._nonces[owner];
    }

    /**
     * @dev Consumes a nonce.
     *
     * Returns the current value and increments nonce.
     */
    function _useNonce(address owner) internal virtual returns (uint256) {
        NoncesStorage storage $ = _getNoncesStorage();
        // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be
        // decremented or reset. This guarantees that the nonce never overflows.
        unchecked {
            // It is important to do x++ and not ++x here.
            return $._nonces[owner]++;
        }
    }

    /**
     * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.
     */
    function _useCheckedNonce(address owner, uint256 nonce) internal virtual {
        uint256 current = _useNonce(owner);
        if (nonce != current) {
            revert InvalidAccountNonce(owner, current);
        }
    }
}

File 85 of 111 : IEigenPodManager.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "@openzeppelin/contracts/proxy/beacon/IBeacon.sol";
import "./IETHPOSDeposit.sol";
import "./IStrategyManager.sol";
import "./IEigenPod.sol";
import "./IBeaconChainOracle.sol";
import "./IPausable.sol";
import "./ISlasher.sol";
import "./IStrategy.sol";

/**
 * @title Interface for factory that creates and manages solo staking pods that have their withdrawal credentials pointed to EigenLayer.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 */

interface IEigenPodManager is IPausable {
    /// @notice Emitted to notify the update of the beaconChainOracle address
    event BeaconOracleUpdated(address indexed newOracleAddress);

    /// @notice Emitted to notify the deployment of an EigenPod
    event PodDeployed(address indexed eigenPod, address indexed podOwner);

    /// @notice Emitted to notify a deposit of beacon chain ETH recorded in the strategy manager
    event BeaconChainETHDeposited(address indexed podOwner, uint256 amount);

    /// @notice Emitted when the balance of an EigenPod is updated
    event PodSharesUpdated(address indexed podOwner, int256 sharesDelta);

    /// @notice Emitted when a withdrawal of beacon chain ETH is completed
    event BeaconChainETHWithdrawalCompleted(
        address indexed podOwner,
        uint256 shares,
        uint96 nonce,
        address delegatedAddress,
        address withdrawer,
        bytes32 withdrawalRoot
    );

    event DenebForkTimestampUpdated(uint64 newValue);

    /**
     * @notice Creates an EigenPod for the sender.
     * @dev Function will revert if the `msg.sender` already has an EigenPod.
     * @dev Returns EigenPod address 
     */
    function createPod() external returns (address);

    /**
     * @notice Stakes for a new beacon chain validator on the sender's EigenPod.
     * Also creates an EigenPod for the sender if they don't have one already.
     * @param pubkey The 48 bytes public key of the beacon chain validator.
     * @param signature The validator's signature of the deposit data.
     * @param depositDataRoot The root/hash of the deposit data for the validator's deposit.
     */
    function stake(bytes calldata pubkey, bytes calldata signature, bytes32 depositDataRoot) external payable;

    /**
     * @notice Changes the `podOwner`'s shares by `sharesDelta` and performs a call to the DelegationManager
     * to ensure that delegated shares are also tracked correctly
     * @param podOwner is the pod owner whose balance is being updated.
     * @param sharesDelta is the change in podOwner's beaconChainETHStrategy shares
     * @dev Callable only by the podOwner's EigenPod contract.
     * @dev Reverts if `sharesDelta` is not a whole Gwei amount
     */
    function recordBeaconChainETHBalanceUpdate(address podOwner, int256 sharesDelta) external;

    /**
     * @notice Updates the oracle contract that provides the beacon chain state root
     * @param newBeaconChainOracle is the new oracle contract being pointed to
     * @dev Callable only by the owner of this contract (i.e. governance)
     */
    function updateBeaconChainOracle(IBeaconChainOracle newBeaconChainOracle) external;

    /// @notice Returns the address of the `podOwner`'s EigenPod if it has been deployed.
    function ownerToPod(address podOwner) external view returns (IEigenPod);

    /// @notice Returns the address of the `podOwner`'s EigenPod (whether it is deployed yet or not).
    function getPod(address podOwner) external view returns (IEigenPod);

    /// @notice The ETH2 Deposit Contract
    function ethPOS() external view returns (IETHPOSDeposit);

    /// @notice Beacon proxy to which the EigenPods point
    function eigenPodBeacon() external view returns (IBeacon);

    /// @notice Oracle contract that provides updates to the beacon chain's state
    function beaconChainOracle() external view returns (IBeaconChainOracle);

    /// @notice Returns the beacon block root at `timestamp`. Reverts if the Beacon block root at `timestamp` has not yet been finalized.
    function getBlockRootAtTimestamp(uint64 timestamp) external view returns (bytes32);

    /// @notice EigenLayer's StrategyManager contract
    function strategyManager() external view returns (IStrategyManager);

    /// @notice EigenLayer's Slasher contract
    function slasher() external view returns (ISlasher);

    /// @notice Returns 'true' if the `podOwner` has created an EigenPod, and 'false' otherwise.
    function hasPod(address podOwner) external view returns (bool);

    /// @notice Returns the number of EigenPods that have been created
    function numPods() external view returns (uint256);

    /**
     * @notice Mapping from Pod owner owner to the number of shares they have in the virtual beacon chain ETH strategy.
     * @dev The share amount can become negative. This is necessary to accommodate the fact that a pod owner's virtual beacon chain ETH shares can
     * decrease between the pod owner queuing and completing a withdrawal.
     * When the pod owner's shares would otherwise increase, this "deficit" is decreased first _instead_.
     * Likewise, when a withdrawal is completed, this "deficit" is decreased and the withdrawal amount is decreased; We can think of this
     * as the withdrawal "paying off the deficit".
     */
    function podOwnerShares(address podOwner) external view returns (int256);

    /// @notice returns canonical, virtual beaconChainETH strategy
    function beaconChainETHStrategy() external view returns (IStrategy);

    /**
     * @notice Used by the DelegationManager to remove a pod owner's shares while they're in the withdrawal queue.
     * Simply decreases the `podOwner`'s shares by `shares`, down to a minimum of zero.
     * @dev This function reverts if it would result in `podOwnerShares[podOwner]` being less than zero, i.e. it is forbidden for this function to
     * result in the `podOwner` incurring a "share deficit". This behavior prevents a Staker from queuing a withdrawal which improperly removes excessive
     * shares from the operator to whom the staker is delegated.
     * @dev Reverts if `shares` is not a whole Gwei amount
     */
    function removeShares(address podOwner, uint256 shares) external;

    /**
     * @notice Increases the `podOwner`'s shares by `shares`, paying off deficit if possible.
     * Used by the DelegationManager to award a pod owner shares on exiting the withdrawal queue
     * @dev Returns the number of shares added to `podOwnerShares[podOwner]` above zero, which will be less than the `shares` input
     * in the event that the podOwner has an existing shares deficit (i.e. `podOwnerShares[podOwner]` starts below zero)
     * @dev Reverts if `shares` is not a whole Gwei amount
     */
    function addShares(address podOwner, uint256 shares) external returns (uint256);

    /**
     * @notice Used by the DelegationManager to complete a withdrawal, sending tokens to some destination address
     * @dev Prioritizes decreasing the podOwner's share deficit, if they have one
     * @dev Reverts if `shares` is not a whole Gwei amount
     */
    function withdrawSharesAsTokens(address podOwner, address destination, uint256 shares) external;

    /**
     * @notice the deneb hard fork timestamp used to determine which proof path to use for proving a withdrawal
     */
    function denebForkTimestamp() external view returns (uint64);

     /**
     * setting the deneb hard fork timestamp by the eigenPodManager owner
     * @dev this function is designed to be called twice.  Once, it is set to type(uint64).max 
     * prior to the actual deneb fork timestamp being set, and then the second time it is set 
     * to the actual deneb fork timestamp.
     */
    function setDenebForkTimestamp(uint64 newDenebForkTimestamp) external;

}

File 86 of 111 : IRegistry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

/**
 * @title Minimal interface for a `Registry`-type contract.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice Functions related to the registration process itself have been intentionally excluded
 * because their function signatures may vary significantly.
 */
interface IRegistry {
    function registryCoordinator() external view returns (address);
}

File 87 of 111 : JSONBuilder.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

contract JSONBuilder {
    struct Values {
        bytes id;
        bytes timestamp;
        bytes version;
        bytes epidPseudonym;
        bytes advisoryURL;
        bytes advisoryIDs;
        bytes isvEnclaveQuoteStatus;
        bytes isvEnclaveQuoteBody;
    }

    function buildJSON(Values memory values) public pure returns (string memory json) {
        json = string(
            abi.encodePacked(
                '{"id":"',
                values.id,
                '","timestamp":"',
                values.timestamp,
                '","version":',
                values.version,
                ',"epidPseudonym":"',
                values.epidPseudonym
            )
        );
        json = string(
            abi.encodePacked(
                json,
                '","advisoryURL":"',
                values.advisoryURL,
                '","advisoryIDs":',
                values.advisoryIDs,
                ',"isvEnclaveQuoteStatus":"',
                values.isvEnclaveQuoteStatus,
                '","isvEnclaveQuoteBody":"',
                values.isvEnclaveQuoteBody,
                '"}'
            )
        );
    }
}

contract CustomJSONBuilder {
    string[] public keys;

    constructor(string[] memory _keys) {
        keys = _keys;
    }

    function buildJSON(string[] memory values) public view returns (string memory) {
        require(values.length == keys.length);
        string memory json = "";
        for (uint256 i = 0; i < keys.length; i++) {
            json = string(abi.encodePacked(json, keys[i], values[i]));
        }
        return string(abi.encodePacked("{", json, '"}'));
    }
}

File 88 of 111 : BytesUtils.sol
pragma solidity ^0.8.4;

library BytesUtils {
    error OffsetOutOfBoundsError(uint256 offset, uint256 length);

    /*
     * @dev Returns the keccak-256 hash of a byte range.
     * @param self The byte string to hash.
     * @param offset The position to start hashing at.
     * @param len The number of bytes to hash.
     * @return The hash of the byte range.
     */
    function keccak(
        bytes memory self,
        uint256 offset,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        require(offset + len <= self.length);
        assembly {
            ret := keccak256(add(add(self, 32), offset), len)
        }
    }

    /*
     * @dev Returns a positive number if `other` comes lexicographically after
     *      `self`, a negative number if it comes before, or zero if the
     *      contents of the two bytes are equal.
     * @param self The first bytes to compare.
     * @param other The second bytes to compare.
     * @return The result of the comparison.
     */
    function compare(
        bytes memory self,
        bytes memory other
    ) internal pure returns (int256) {
        return compare(self, 0, self.length, other, 0, other.length);
    }

    /*
     * @dev Returns a positive number if `other` comes lexicographically after
     *      `self`, a negative number if it comes before, or zero if the
     *      contents of the two bytes are equal. Comparison is done per-rune,
     *      on unicode codepoints.
     * @param self The first bytes to compare.
     * @param offset The offset of self.
     * @param len    The length of self.
     * @param other The second bytes to compare.
     * @param otheroffset The offset of the other string.
     * @param otherlen    The length of the other string.
     * @return The result of the comparison.
     */
    function compare(
        bytes memory self,
        uint256 offset,
        uint256 len,
        bytes memory other,
        uint256 otheroffset,
        uint256 otherlen
    ) internal pure returns (int256) {
        if (offset + len > self.length) {
            revert OffsetOutOfBoundsError(offset + len, self.length);
        }
        if (otheroffset + otherlen > other.length) {
            revert OffsetOutOfBoundsError(otheroffset + otherlen, other.length);
        }

        uint256 shortest = len;
        if (otherlen < len) shortest = otherlen;

        uint256 selfptr;
        uint256 otherptr;

        assembly {
            selfptr := add(self, add(offset, 32))
            otherptr := add(other, add(otheroffset, 32))
        }
        for (uint256 idx = 0; idx < shortest; idx += 32) {
            uint256 a;
            uint256 b;
            assembly {
                a := mload(selfptr)
                b := mload(otherptr)
            }
            if (a != b) {
                // Mask out irrelevant bytes and check again
                uint256 mask;
                if (shortest - idx >= 32) {
                    mask = type(uint256).max;
                } else {
                    mask = ~(2 ** (8 * (idx + 32 - shortest)) - 1);
                }
                int256 diff = int256(a & mask) - int256(b & mask);
                if (diff != 0) return diff;
            }
            selfptr += 32;
            otherptr += 32;
        }

        return int256(len) - int256(otherlen);
    }

    /*
     * @dev Returns true if the two byte ranges are equal.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @param otherOffset The offset into the second byte range.
     * @param len The number of bytes to compare
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other,
        uint256 otherOffset,
        uint256 len
    ) internal pure returns (bool) {
        return keccak(self, offset, len) == keccak(other, otherOffset, len);
    }

    /*
     * @dev Returns true if the two byte ranges are equal with offsets.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @param otherOffset The offset into the second byte range.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other,
        uint256 otherOffset
    ) internal pure returns (bool) {
        return
            keccak(self, offset, self.length - offset) ==
            keccak(other, otherOffset, other.length - otherOffset);
    }

    /*
     * @dev Compares a range of 'self' to all of 'other' and returns True iff
     *      they are equal.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other
    ) internal pure returns (bool) {
        return
            self.length == offset + other.length &&
            equals(self, offset, other, 0, other.length);
    }

    /*
     * @dev Returns true if the two byte ranges are equal.
     * @param self The first byte range to compare.
     * @param other The second byte range to compare.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        bytes memory other
    ) internal pure returns (bool) {
        return
            self.length == other.length &&
            equals(self, 0, other, 0, self.length);
    }

    /*
     * @dev Returns the 8-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 8 bits of the string, interpreted as an integer.
     */
    function readUint8(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint8 ret) {
        return uint8(self[idx]);
    }

    /*
     * @dev Returns the 16-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 16 bits of the string, interpreted as an integer.
     */
    function readUint16(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint16 ret) {
        require(idx + 2 <= self.length);
        assembly {
            ret := and(mload(add(add(self, 2), idx)), 0xFFFF)
        }
    }

    /*
     * @dev Returns the 32-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bits of the string, interpreted as an integer.
     */
    function readUint32(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint32 ret) {
        require(idx + 4 <= self.length);
        assembly {
            ret := and(mload(add(add(self, 4), idx)), 0xFFFFFFFF)
        }
    }

    /*
     * @dev Returns the 32 byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bytes of the string.
     */
    function readBytes32(
        bytes memory self,
        uint256 idx
    ) internal pure returns (bytes32 ret) {
        require(idx + 32 <= self.length);
        assembly {
            ret := mload(add(add(self, 32), idx))
        }
    }

    /*
     * @dev Returns the 32 byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bytes of the string.
     */
    function readBytes20(
        bytes memory self,
        uint256 idx
    ) internal pure returns (bytes20 ret) {
        require(idx + 20 <= self.length);
        assembly {
            ret := and(
                mload(add(add(self, 32), idx)),
                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000
            )
        }
    }

    /*
     * @dev Returns the n byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes.
     * @param len The number of bytes.
     * @return The specified 32 bytes of the string.
     */
    function readBytesN(
        bytes memory self,
        uint256 idx,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        require(len <= 32);
        require(idx + len <= self.length);
        assembly {
            let mask := not(sub(exp(256, sub(32, len)), 1))
            ret := and(mload(add(add(self, 32), idx)), mask)
        }
    }

    function memcpy(uint256 dest, uint256 src, uint256 len) private pure {
        // Copy word-length chunks while possible
        for (; len >= 32; len -= 32) {
            assembly {
                mstore(dest, mload(src))
            }
            dest += 32;
            src += 32;
        }

        // Copy remaining bytes
        unchecked {
            uint256 mask = (256 ** (32 - len)) - 1;
            assembly {
                let srcpart := and(mload(src), not(mask))
                let destpart := and(mload(dest), mask)
                mstore(dest, or(destpart, srcpart))
            }
        }
    }

    /*
     * @dev Copies a substring into a new byte string.
     * @param self The byte string to copy from.
     * @param offset The offset to start copying at.
     * @param len The number of bytes to copy.
     */
    function substring(
        bytes memory self,
        uint256 offset,
        uint256 len
    ) internal pure returns (bytes memory) {
        require(offset + len <= self.length);

        bytes memory ret = new bytes(len);
        uint256 dest;
        uint256 src;

        assembly {
            dest := add(ret, 32)
            src := add(add(self, 32), offset)
        }
        memcpy(dest, src, len);

        return ret;
    }

    // Maps characters from 0x30 to 0x7A to their base32 values.
    // 0xFF represents invalid characters in that range.
    bytes constant base32HexTable =
        hex"00010203040506070809FFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1FFFFFFFFFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1F";

    /**
     * @dev Decodes unpadded base32 data of up to one word in length.
     * @param self The data to decode.
     * @param off Offset into the string to start at.
     * @param len Number of characters to decode.
     * @return The decoded data, left aligned.
     */
    function base32HexDecodeWord(
        bytes memory self,
        uint256 off,
        uint256 len
    ) internal pure returns (bytes32) {
        require(len <= 52);

        uint256 ret = 0;
        uint8 decoded;
        for (uint256 i = 0; i < len; i++) {
            bytes1 char = self[off + i];
            require(char >= 0x30 && char <= 0x7A);
            decoded = uint8(base32HexTable[uint256(uint8(char)) - 0x30]);
            require(decoded <= 0x20);
            if (i == len - 1) {
                break;
            }
            ret = (ret << 5) | decoded;
        }

        uint256 bitlen = len * 5;
        if (len % 8 == 0) {
            // Multiple of 8 characters, no padding
            ret = (ret << 5) | decoded;
        } else if (len % 8 == 2) {
            // Two extra characters - 1 byte
            ret = (ret << 3) | (decoded >> 2);
            bitlen -= 2;
        } else if (len % 8 == 4) {
            // Four extra characters - 2 bytes
            ret = (ret << 1) | (decoded >> 4);
            bitlen -= 4;
        } else if (len % 8 == 5) {
            // Five extra characters - 3 bytes
            ret = (ret << 4) | (decoded >> 1);
            bitlen -= 1;
        } else if (len % 8 == 7) {
            // Seven extra characters - 4 bytes
            ret = (ret << 2) | (decoded >> 3);
            bitlen -= 3;
        } else {
            revert();
        }

        return bytes32(ret << (256 - bitlen));
    }

    /**
     * @dev Finds the first occurrence of the byte `needle` in `self`.
     * @param self The string to search
     * @param off The offset to start searching at
     * @param len The number of bytes to search
     * @param needle The byte to search for
     * @return The offset of `needle` in `self`, or 2**256-1 if it was not found.
     */
    function find(
        bytes memory self,
        uint256 off,
        uint256 len,
        bytes1 needle
    ) internal pure returns (uint256) {
        for (uint256 idx = off; idx < off + len; idx++) {
            if (self[idx] == needle) {
                return idx;
            }
        }
        return type(uint256).max;
    }

    /**
     * @dev Attempts to parse an address from a hex string
     * @param str The string to parse
     * @param idx The offset to start parsing at
     * @param lastIdx The (exclusive) last index in `str` to consider. Use `str.length` to scan the whole string.
     */
    function hexToAddress(
        bytes memory str,
        uint256 idx,
        uint256 lastIdx
    ) internal pure returns (address, bool) {
        if (lastIdx - idx < 40) return (address(0x0), false);
        uint256 ret = 0;
        for (uint256 i = idx; i < idx + 40; i++) {
            ret <<= 4;
            uint256 x = readUint8(str, i);
            if (x >= 48 && x < 58) {
                ret |= x - 48;
            } else if (x >= 65 && x < 71) {
                ret |= x - 55;
            } else if (x >= 97 && x < 103) {
                ret |= x - 87;
            } else {
                return (address(0x0), false);
            }
        }
        return (address(uint160(ret)), true);
    }
}

File 89 of 111 : Base64.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Base64.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides a set of functions to operate with Base64 strings.
 */
library Base64 {
    /**
     * @dev Base64 Encoding/Decoding Table
     */
    string internal constant _TABLE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * @dev Converts a `bytes` to its Bytes64 `string` representation.
     */
    function encode(bytes memory data) internal pure returns (string memory) {
        /**
         * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence
         * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol
         */
        if (data.length == 0) return "";

        // Loads the table into memory
        string memory table = _TABLE;

        // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter
        // and split into 4 numbers of 6 bits.
        // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up
        // - `data.length + 2`  -> Round up
        // - `/ 3`              -> Number of 3-bytes chunks
        // - `4 *`              -> 4 characters for each chunk
        string memory result = new string(4 * ((data.length + 2) / 3));

        /// @solidity memory-safe-assembly
        assembly {
            // Prepare the lookup table (skip the first "length" byte)
            let tablePtr := add(table, 1)

            // Prepare result pointer, jump over length
            let resultPtr := add(result, 32)

            // Run over the input, 3 bytes at a time
            for {
                let dataPtr := data
                let endPtr := add(data, mload(data))
            } lt(dataPtr, endPtr) {

            } {
                // Advance 3 bytes
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                // To write each character, shift the 3 bytes (18 bits) chunk
                // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)
                // and apply logical AND with 0x3F which is the number of
                // the previous character in the ASCII table prior to the Base64 Table
                // The result is then added to the table to get the character to write,
                // and finally write it in the result pointer but with a left shift
                // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits

                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance
            }

            // When data `bytes` is not exactly 3 bytes long
            // it is padded with `=` characters at the end
            switch mod(mload(data), 3)
            case 1 {
                mstore8(sub(resultPtr, 1), 0x3d)
                mstore8(sub(resultPtr, 2), 0x3d)
            }
            case 2 {
                mstore8(sub(resultPtr, 1), 0x3d)
            }
        }

        return result;
    }
}

File 90 of 111 : RAVEBase.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

import { BytesUtils } from "ens-contracts/dnssec-oracle/BytesUtils.sol";
import { RSAVerify } from "ens-contracts/dnssec-oracle/algorithms/RSAVerify.sol";
import { IRave } from "rave/IRave.sol";

abstract contract RAVEBase is IRave {
    using BytesUtils for *;

    uint256 constant MAX_JSON_ELEMENTS = 19;
    uint256 constant QUOTE_BODY_LENGTH = 432;
    uint256 constant MRENCLAVE_OFFSET = 112;
    uint256 constant MRSIGNER_OFFSET = 176;
    uint256 constant PAYLOAD_OFFSET = 368;
    uint256 constant PAYLOAD_SIZE = 64;

    bytes32 constant OK_STATUS = keccak256("OK");
    bytes32 constant HARDENING_STATUS = keccak256("SW_HARDENING_NEEDED");

    constructor() { }

    /**
     * @inheritdoc IRave
     */
    function verifyReportSignature(
        bytes memory report,
        bytes calldata sig,
        bytes memory signingMod,
        bytes memory signingExp
    ) public view returns (bool) {
        // Use signingPK to verify sig is the RSA signature over sha256(report)
        (bool success, bytes memory got) = RSAVerify.rsarecover(signingMod, signingExp, sig);
        // Last 32 bytes is recovered signed digest
        bytes32 recovered = got.readBytes32(got.length - 32);
        return success && recovered == sha256(report);
    }

    /**
     * @inheritdoc IRave
     */
    function verifyRemoteAttestation(
        bytes calldata report,
        bytes calldata sig,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) public view virtual returns (bytes memory payload) { }

    /**
     * @inheritdoc IRave
     */
    function rave(
        bytes calldata report,
        bytes calldata sig,
        bytes memory leafX509Cert,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) external view virtual returns (bytes memory payload) { }
}

File 91 of 111 : ASN1Decode.sol
// SPDX-License-Identifier: MIT
// Original source: https://github.com/JonahGroendal/asn1-decode
pragma solidity >=0.8.0 <0.9.0;

import { BytesUtils } from "ens-contracts/dnssec-oracle/BytesUtils.sol";

library NodePtr {
    // Unpack first byte index
    function ixs(uint256 self) internal pure returns (uint256) {
        return uint80(self);
    }
    // Unpack first content byte index

    function ixf(uint256 self) internal pure returns (uint256) {
        return uint80(self >> 80);
    }
    // Unpack last content byte index

    function ixl(uint256 self) internal pure returns (uint256) {
        return uint80(self >> 160);
    }
    // Pack 3 uint80s into a uint256

    function getPtr(uint256 _ixs, uint256 _ixf, uint256 _ixl) internal pure returns (uint256) {
        _ixs |= _ixf << 80;
        _ixs |= _ixl << 160;
        return _ixs;
    }
}

library Asn1Decode {
    using NodePtr for uint256;
    using BytesUtils for bytes;

    /*
    * @dev Get the root node. First step in traversing an ASN1 structure
    * @param der The DER-encoded ASN1 structure
    * @return A pointer to the outermost node
    */
    function root(bytes memory der) internal pure returns (uint256) {
        return readNodeLength(der, 0);
    }

    /*
    * @dev Get the root node of an ASN1 structure that's within a bit string value
    * @param der The DER-encoded ASN1 structure
    * @return A pointer to the outermost node
    */
    function rootOfBitStringAt(bytes memory der, uint256 ptr) internal pure returns (uint256) {
        require(der[ptr.ixs()] == 0x03, "Not type BIT STRING");
        return readNodeLength(der, ptr.ixf() + 1);
    }

    /*
    * @dev Get the root node of an ASN1 structure that's within an octet string value
    * @param der The DER-encoded ASN1 structure
    * @return A pointer to the outermost node
    */
    function rootOfOctetStringAt(bytes memory der, uint256 ptr) internal pure returns (uint256) {
        require(der[ptr.ixs()] == 0x04, "Not type OCTET STRING");
        return readNodeLength(der, ptr.ixf());
    }

    /*
    * @dev Get the next sibling node
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return A pointer to the next sibling node
    */
    function nextSiblingOf(bytes memory der, uint256 ptr) internal pure returns (uint256) {
        return readNodeLength(der, ptr.ixl() + 1);
    }

    /*
    * @dev Get the first child node of the current node
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return A pointer to the first child node
    */
    function firstChildOf(bytes memory der, uint256 ptr) internal pure returns (uint256) {
        require(der[ptr.ixs()] & 0x20 == 0x20, "Not a constructed type");
        return readNodeLength(der, ptr.ixf());
    }

    /*
    * @dev Use for looping through children of a node (either i or j).
    * @param i Pointer to an ASN1 node
    * @param j Pointer to another ASN1 node of the same ASN1 structure
    * @return True iff j is child of i or i is child of j.
    */
    function isChildOf(uint256 i, uint256 j) internal pure returns (bool) {
        return (((i.ixf() <= j.ixs()) && (j.ixl() <= i.ixl())) || ((j.ixf() <= i.ixs()) && (i.ixl() <= j.ixl())));
    }

    /*
    * @dev Extract value of node from DER-encoded structure
    * @param der The der-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return Value bytes of node
    */
    function bytesAt(bytes memory der, uint256 ptr) internal pure returns (bytes memory) {
        return der.substring(ptr.ixf(), ptr.ixl() + 1 - ptr.ixf());
    }

    /*
    * @dev Extract entire node from DER-encoded structure
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return All bytes of node
    */
    function allBytesAt(bytes memory der, uint256 ptr) internal pure returns (bytes memory) {
        return der.substring(ptr.ixs(), ptr.ixl() + 1 - ptr.ixs());
    }

    /*
    * @dev Extract value of node from DER-encoded structure
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return Value bytes of node as bytes32
    */
    function bytes32At(bytes memory der, uint256 ptr) internal pure returns (bytes32) {
        return der.readBytesN(ptr.ixf(), ptr.ixl() + 1 - ptr.ixf());
    }

    /*
    * @dev Extract value of node from DER-encoded structure
    * @param der The der-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return Uint value of node
    */
    function uintAt(bytes memory der, uint256 ptr) internal pure returns (uint256) {
        require(der[ptr.ixs()] == 0x02, "Not type INTEGER");
        require(der[ptr.ixf()] & 0x80 == 0, "Not positive");
        uint256 len = ptr.ixl() + 1 - ptr.ixf();
        return uint256(der.readBytesN(ptr.ixf(), len) >> (32 - len) * 8);
    }

    /*
    * @dev Extract value of a positive integer node from DER-encoded structure
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return Value bytes of a positive integer node
    */
    function uintBytesAt(bytes memory der, uint256 ptr) internal pure returns (bytes memory) {
        require(der[ptr.ixs()] == 0x02, "Not type INTEGER");
        require(der[ptr.ixf()] & 0x80 == 0, "Not positive");
        uint256 valueLength = ptr.ixl() + 1 - ptr.ixf();
        if (der[ptr.ixf()] == 0) {
            return der.substring(ptr.ixf() + 1, valueLength - 1);
        } else {
            return der.substring(ptr.ixf(), valueLength);
        }
    }

    function keccakOfBytesAt(bytes memory der, uint256 ptr) internal pure returns (bytes32) {
        return der.keccak(ptr.ixf(), ptr.ixl() + 1 - ptr.ixf());
    }

    function keccakOfAllBytesAt(bytes memory der, uint256 ptr) internal pure returns (bytes32) {
        return der.keccak(ptr.ixs(), ptr.ixl() + 1 - ptr.ixs());
    }

    /*
    * @dev Extract value of bitstring node from DER-encoded structure
    * @param der The DER-encoded ASN1 structure
    * @param ptr Points to the indices of the current node
    * @return Value of bitstring converted to bytes
    */
    function bitstringAt(bytes memory der, uint256 ptr) internal pure returns (bytes memory) {
        require(der[ptr.ixs()] == 0x03, "Not type BIT STRING");
        // Only 00 padded bitstr can be converted to bytestr!
        require(der[ptr.ixf()] == 0x00);
        uint256 valueLength = ptr.ixl() + 1 - ptr.ixf();
        return der.substring(ptr.ixf() + 1, valueLength - 1);
    }

    function readNodeLength(bytes memory der, uint256 ix) private pure returns (uint256) {
        uint256 length;
        uint80 ixFirstContentByte;
        uint80 ixLastContentByte;
        if ((der[ix + 1] & 0x80) == 0) {
            length = uint8(der[ix + 1]);
            ixFirstContentByte = uint80(ix + 2);
            ixLastContentByte = uint80(ixFirstContentByte + length - 1);
        } else {
            uint8 lengthbytesLength = uint8(der[ix + 1] & 0x7F);
            if (lengthbytesLength == 1) {
                length = der.readUint8(ix + 2);
            } else if (lengthbytesLength == 2) {
                length = der.readUint16(ix + 2);
            } else {
                length = uint256(der.readBytesN(ix + 2, lengthbytesLength) >> (32 - lengthbytesLength) * 8);
            }
            ixFirstContentByte = uint80(ix + 2 + lengthbytesLength);
            ixLastContentByte = uint80(ixFirstContentByte + length - 1);
        }
        return NodePtr.getPtr(ix, ixFirstContentByte, ixLastContentByte);
    }
}

File 92 of 111 : RSAVerify.sol
pragma solidity ^0.8.4;

import "../BytesUtils.sol";
import "./ModexpPrecompile.sol";

library RSAVerify {
    /**
     * @dev Recovers the input data from an RSA signature, returning the result in S.
     * @param N The RSA public modulus.
     * @param E The RSA public exponent.
     * @param S The signature to recover.
     * @return True if the recovery succeeded.
     */
    function rsarecover(
        bytes memory N,
        bytes memory E,
        bytes memory S
    ) internal view returns (bool, bytes memory) {
        return ModexpPrecompile.modexp(S, E, N);
    }
}

File 93 of 111 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 94 of 111 : Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Storage of the initializable contract.
     *
     * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
     * when using with upgradeable contracts.
     *
     * @custom:storage-location erc7201:openzeppelin.storage.Initializable
     */
    struct InitializableStorage {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        uint64 _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    /**
     * @dev The contract is already initialized.
     */
    error InvalidInitialization();

    /**
     * @dev The contract is not initializing.
     */
    error NotInitializing();

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint64 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
     * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
     * production.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reininitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    /**
     * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
     */
    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    /**
     * @dev Returns a pointer to the storage namespace.
     */
    // solhint-disable-next-line var-name-mixedcase
    function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
        assembly {
            $.slot := INITIALIZABLE_STORAGE
        }
    }
}

File 95 of 111 : ContextUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

File 96 of 111 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 97 of 111 : IERC4626.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";
import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

/**
 * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 */
interface IERC4626 is IERC20, IERC20Metadata {
    event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

    event Withdraw(
        address indexed sender,
        address indexed receiver,
        address indexed owner,
        uint256 assets,
        uint256 shares
    );

    /**
     * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
     *
     * - MUST be an ERC-20 token contract.
     * - MUST NOT revert.
     */
    function asset() external view returns (address assetTokenAddress);

    /**
     * @dev Returns the total amount of the underlying asset that is “managed” by Vault.
     *
     * - SHOULD include any compounding that occurs from yield.
     * - MUST be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT revert.
     */
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /**
     * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToShares(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToAssets(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
     * through a deposit call.
     *
     * - MUST return a limited value if receiver is subject to some deposit limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
     * - MUST NOT revert.
     */
    function maxDeposit(address receiver) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
     *   call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
     *   in the same transaction.
     * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
     *   deposit would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   deposit execution, and are accounted for during deposit.
     * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
     * - MUST return a limited value if receiver is subject to some mint limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
     * - MUST NOT revert.
     */
    function maxMint(address receiver) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
     *   in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
     *   same transaction.
     * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
     *   would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by minting.
     */
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
     *   execution, and are accounted for during mint.
     * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxWithdraw(address owner) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
     *   call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
     *   called
     *   in the same transaction.
     * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
     *   the withdrawal would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   withdraw execution, and are accounted for during withdraw.
     * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
     * through a redeem call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxRedeem(address owner) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
     *   in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
     *   same transaction.
     * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
     *   redemption would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
     */
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   redeem execution, and are accounted for during redeem.
     * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}

File 98 of 111 : draft-IERC6093.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

File 99 of 111 : EIP712Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.20;

import {MessageHashUtils} from "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol";
import {IERC5267} from "@openzeppelin/contracts/interfaces/IERC5267.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose
 * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract
 * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to
 * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain
 * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the
 * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.
 */
abstract contract EIP712Upgradeable is Initializable, IERC5267 {
    bytes32 private constant TYPE_HASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    /// @custom:storage-location erc7201:openzeppelin.storage.EIP712
    struct EIP712Storage {
        /// @custom:oz-renamed-from _HASHED_NAME
        bytes32 _hashedName;
        /// @custom:oz-renamed-from _HASHED_VERSION
        bytes32 _hashedVersion;

        string _name;
        string _version;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.EIP712")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant EIP712StorageLocation = 0xa16a46d94261c7517cc8ff89f61c0ce93598e3c849801011dee649a6a557d100;

    function _getEIP712Storage() private pure returns (EIP712Storage storage $) {
        assembly {
            $.slot := EIP712StorageLocation
        }
    }

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    function __EIP712_init(string memory name, string memory version) internal onlyInitializing {
        __EIP712_init_unchained(name, version);
    }

    function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {
        EIP712Storage storage $ = _getEIP712Storage();
        $._name = name;
        $._version = version;

        // Reset prior values in storage if upgrading
        $._hashedName = 0;
        $._hashedVersion = 0;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        return _buildDomainSeparator();
    }

    function _buildDomainSeparator() private view returns (bytes32) {
        return keccak256(abi.encode(TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash(), block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);
    }

    /**
     * @dev See {IERC-5267}.
     */
    function eip712Domain()
        public
        view
        virtual
        returns (
            bytes1 fields,
            string memory name,
            string memory version,
            uint256 chainId,
            address verifyingContract,
            bytes32 salt,
            uint256[] memory extensions
        )
    {
        EIP712Storage storage $ = _getEIP712Storage();
        // If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized
        // and the EIP712 domain is not reliable, as it will be missing name and version.
        require($._hashedName == 0 && $._hashedVersion == 0, "EIP712: Uninitialized");

        return (
            hex"0f", // 01111
            _EIP712Name(),
            _EIP712Version(),
            block.chainid,
            address(this),
            bytes32(0),
            new uint256[](0)
        );
    }

    /**
     * @dev The name parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712Name() internal view virtual returns (string memory) {
        EIP712Storage storage $ = _getEIP712Storage();
        return $._name;
    }

    /**
     * @dev The version parameter for the EIP712 domain.
     *
     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
     * are a concern.
     */
    function _EIP712Version() internal view virtual returns (string memory) {
        EIP712Storage storage $ = _getEIP712Storage();
        return $._version;
    }

    /**
     * @dev The hash of the name parameter for the EIP712 domain.
     *
     * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead.
     */
    function _EIP712NameHash() internal view returns (bytes32) {
        EIP712Storage storage $ = _getEIP712Storage();
        string memory name = _EIP712Name();
        if (bytes(name).length > 0) {
            return keccak256(bytes(name));
        } else {
            // If the name is empty, the contract may have been upgraded without initializing the new storage.
            // We return the name hash in storage if non-zero, otherwise we assume the name is empty by design.
            bytes32 hashedName = $._hashedName;
            if (hashedName != 0) {
                return hashedName;
            } else {
                return keccak256("");
            }
        }
    }

    /**
     * @dev The hash of the version parameter for the EIP712 domain.
     *
     * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead.
     */
    function _EIP712VersionHash() internal view returns (bytes32) {
        EIP712Storage storage $ = _getEIP712Storage();
        string memory version = _EIP712Version();
        if (bytes(version).length > 0) {
            return keccak256(bytes(version));
        } else {
            // If the version is empty, the contract may have been upgraded without initializing the new storage.
            // We return the version hash in storage if non-zero, otherwise we assume the version is empty by design.
            bytes32 hashedVersion = $._hashedVersion;
            if (hashedVersion != 0) {
                return hashedVersion;
            } else {
                return keccak256("");
            }
        }
    }
}

File 100 of 111 : NoncesUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Provides tracking nonces for addresses. Nonces will only increment.
 */
abstract contract NoncesUpgradeable is Initializable {
    /**
     * @dev The nonce used for an `account` is not the expected current nonce.
     */
    error InvalidAccountNonce(address account, uint256 currentNonce);

    /// @custom:storage-location erc7201:openzeppelin.storage.Nonces
    struct NoncesStorage {
        mapping(address account => uint256) _nonces;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Nonces")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant NoncesStorageLocation = 0x5ab42ced628888259c08ac98db1eb0cf702fc1501344311d8b100cd1bfe4bb00;

    function _getNoncesStorage() private pure returns (NoncesStorage storage $) {
        assembly {
            $.slot := NoncesStorageLocation
        }
    }

    function __Nonces_init() internal onlyInitializing {
    }

    function __Nonces_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Returns the next unused nonce for an address.
     */
    function nonces(address owner) public view virtual returns (uint256) {
        NoncesStorage storage $ = _getNoncesStorage();
        return $._nonces[owner];
    }

    /**
     * @dev Consumes a nonce.
     *
     * Returns the current value and increments nonce.
     */
    function _useNonce(address owner) internal virtual returns (uint256) {
        NoncesStorage storage $ = _getNoncesStorage();
        // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be
        // decremented or reset. This guarantees that the nonce never overflows.
        unchecked {
            // It is important to do x++ and not ++x here.
            return $._nonces[owner]++;
        }
    }

    /**
     * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.
     */
    function _useCheckedNonce(address owner, uint256 nonce) internal virtual {
        uint256 current = _useNonce(owner);
        if (nonce != current) {
            revert InvalidAccountNonce(owner, current);
        }
    }
}

File 101 of 111 : MessageHashUtils.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)

pragma solidity ^0.8.20;

import {Strings} from "../Strings.sol";

/**
 * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.
 *
 * The library provides methods for generating a hash of a message that conforms to the
 * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]
 * specifications.
 */
library MessageHashUtils {
    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing a bytes32 `messageHash` with
     * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with
     * keccak256, although any bytes32 value can be safely used because the final digest will
     * be re-hashed.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash
            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix
            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)
        }
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x45` (`personal_sign` messages).
     *
     * The digest is calculated by prefixing an arbitrary `message` with
     * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the
     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.
     *
     * See {ECDSA-recover}.
     */
    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {
        return
            keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-191 signed data with version
     * `0x00` (data with intended validator).
     *
     * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended
     * `validator` address. Then hashing the result.
     *
     * See {ECDSA-recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(hex"19_00", validator, data));
    }

    /**
     * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).
     *
     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with
     * `\x19\x01` and hashing the result. It corresponds to the hash signed by the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.
     *
     * See {ECDSA-recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, hex"19_01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            digest := keccak256(ptr, 0x42)
        }
    }
}

File 102 of 111 : IERC5267.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)

pragma solidity ^0.8.20;

interface IERC5267 {
    /**
     * @dev MAY be emitted to signal that the domain could have changed.
     */
    event EIP712DomainChanged();

    /**
     * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712
     * signature.
     */
    function eip712Domain()
        external
        view
        returns (
            bytes1 fields,
            string memory name,
            string memory version,
            uint256 chainId,
            address verifyingContract,
            bytes32 salt,
            uint256[] memory extensions
        );
}

File 103 of 111 : IETHPOSDeposit.sol
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// SPDX-License-Identifier: CC0-1.0

pragma solidity >=0.5.0;

// This interface is designed to be compatible with the Vyper version.
/// @notice This is the Ethereum 2.0 deposit contract interface.
/// For more information see the Phase 0 specification under https://github.com/ethereum/eth2.0-specs
interface IETHPOSDeposit {
    /// @notice A processed deposit event.
    event DepositEvent(bytes pubkey, bytes withdrawal_credentials, bytes amount, bytes signature, bytes index);

    /// @notice Submit a Phase 0 DepositData object.
    /// @param pubkey A BLS12-381 public key.
    /// @param withdrawal_credentials Commitment to a public key for withdrawals.
    /// @param signature A BLS12-381 signature.
    /// @param deposit_data_root The SHA-256 hash of the SSZ-encoded DepositData object.
    /// Used as a protection against malformed input.
    function deposit(
        bytes calldata pubkey,
        bytes calldata withdrawal_credentials,
        bytes calldata signature,
        bytes32 deposit_data_root
    ) external payable;

    /// @notice Query the current deposit root hash.
    /// @return The deposit root hash.
    function get_deposit_root() external view returns (bytes32);

    /// @notice Query the current deposit count.
    /// @return The deposit count encoded as a little endian 64-bit number.
    function get_deposit_count() external view returns (bytes memory);
}

File 104 of 111 : IEigenPod.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "../libraries/BeaconChainProofs.sol";
import "./IEigenPodManager.sol";
import "./IBeaconChainOracle.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @title The implementation contract used for restaking beacon chain ETH on EigenLayer
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice The main functionalities are:
 * - creating new ETH validators with their withdrawal credentials pointed to this contract
 * - proving from beacon chain state roots that withdrawal credentials are pointed to this contract
 * - proving from beacon chain state roots the balances of ETH validators with their withdrawal credentials
 *   pointed to this contract
 * - updating aggregate balances in the EigenPodManager
 * - withdrawing eth when withdrawals are initiated
 * @dev Note that all beacon chain balances are stored as gwei within the beacon chain datastructures. We choose
 *   to account balances in terms of gwei in the EigenPod contract and convert to wei when making calls to other contracts
 */
interface IEigenPod {
    enum VALIDATOR_STATUS {
        INACTIVE, // doesnt exist
        ACTIVE, // staked on ethpos and withdrawal credentials are pointed to the EigenPod
        WITHDRAWN // withdrawn from the Beacon Chain
    }

    struct ValidatorInfo {
        // index of the validator in the beacon chain
        uint64 validatorIndex;
        // amount of beacon chain ETH restaked on EigenLayer in gwei
        uint64 restakedBalanceGwei;
        //timestamp of the validator's most recent balance update
        uint64 mostRecentBalanceUpdateTimestamp;
        // status of the validator
        VALIDATOR_STATUS status;
    }

    /**
     * @notice struct used to store amounts related to proven withdrawals in memory. Used to help
     * manage stack depth and optimize the number of external calls, when batching withdrawal operations.
     */
    struct VerifiedWithdrawal {
        // amount to send to a podOwner from a proven withdrawal
        uint256 amountToSendGwei;
        // difference in shares to be recorded in the eigenPodManager, as a result of the withdrawal
        int256 sharesDeltaGwei;
    }


    enum PARTIAL_WITHDRAWAL_CLAIM_STATUS {
        REDEEMED,
        PENDING,
        FAILED
    }

    /// @notice Emitted when an ETH validator stakes via this eigenPod
    event EigenPodStaked(bytes pubkey);

    /// @notice Emitted when an ETH validator's withdrawal credentials are successfully verified to be pointed to this eigenPod
    event ValidatorRestaked(uint40 validatorIndex);

    /// @notice Emitted when an ETH validator's  balance is proven to be updated.  Here newValidatorBalanceGwei
    //  is the validator's balance that is credited on EigenLayer.
    event ValidatorBalanceUpdated(uint40 validatorIndex, uint64 balanceTimestamp, uint64 newValidatorBalanceGwei);

    /// @notice Emitted when an ETH validator is prove to have withdrawn from the beacon chain
    event FullWithdrawalRedeemed(
        uint40 validatorIndex,
        uint64 withdrawalTimestamp,
        address indexed recipient,
        uint64 withdrawalAmountGwei
    );

    /// @notice Emitted when a partial withdrawal claim is successfully redeemed
    event PartialWithdrawalRedeemed(
        uint40 validatorIndex,
        uint64 withdrawalTimestamp,
        address indexed recipient,
        uint64 partialWithdrawalAmountGwei
    );

    /// @notice Emitted when restaked beacon chain ETH is withdrawn from the eigenPod.
    event RestakedBeaconChainETHWithdrawn(address indexed recipient, uint256 amount);

    /// @notice Emitted when podOwner enables restaking
    event RestakingActivated(address indexed podOwner);

    /// @notice Emitted when ETH is received via the `receive` fallback
    event NonBeaconChainETHReceived(uint256 amountReceived);

    /// @notice Emitted when ETH that was previously received via the `receive` fallback is withdrawn
    event NonBeaconChainETHWithdrawn(address indexed recipient, uint256 amountWithdrawn);


    /// @notice The max amount of eth, in gwei, that can be restaked per validator
    function MAX_RESTAKED_BALANCE_GWEI_PER_VALIDATOR() external view returns (uint64);

    /// @notice the amount of execution layer ETH in this contract that is staked in EigenLayer (i.e. withdrawn from beaconchain but not EigenLayer),
    function withdrawableRestakedExecutionLayerGwei() external view returns (uint64);

    /// @notice any ETH deposited into the EigenPod contract via the `receive` fallback function
    function nonBeaconChainETHBalanceWei() external view returns (uint256);

    /// @notice Used to initialize the pointers to contracts crucial to the pod's functionality, in beacon proxy construction from EigenPodManager
    function initialize(address owner) external;

    /// @notice Called by EigenPodManager when the owner wants to create another ETH validator.
    function stake(bytes calldata pubkey, bytes calldata signature, bytes32 depositDataRoot) external payable;

    /**
     * @notice Transfers `amountWei` in ether from this contract to the specified `recipient` address
     * @notice Called by EigenPodManager to withdrawBeaconChainETH that has been added to the EigenPod's balance due to a withdrawal from the beacon chain.
     * @dev The podOwner must have already proved sufficient withdrawals, so that this pod's `withdrawableRestakedExecutionLayerGwei` exceeds the
     * `amountWei` input (when converted to GWEI).
     * @dev Reverts if `amountWei` is not a whole Gwei amount
     */
    function withdrawRestakedBeaconChainETH(address recipient, uint256 amount) external;

    /// @notice The single EigenPodManager for EigenLayer
    function eigenPodManager() external view returns (IEigenPodManager);

    /// @notice The owner of this EigenPod
    function podOwner() external view returns (address);

    /// @notice an indicator of whether or not the podOwner has ever "fully restaked" by successfully calling `verifyCorrectWithdrawalCredentials`.
    function hasRestaked() external view returns (bool);

    /**
     * @notice The latest timestamp at which the pod owner withdrew the balance of the pod, via calling `withdrawBeforeRestaking`.
     * @dev This variable is only updated when the `withdrawBeforeRestaking` function is called, which can only occur before `hasRestaked` is set to true for this pod.
     * Proofs for this pod are only valid against Beacon Chain state roots corresponding to timestamps after the stored `mostRecentWithdrawalTimestamp`.
     */
    function mostRecentWithdrawalTimestamp() external view returns (uint64);

    /// @notice Returns the validatorInfo struct for the provided pubkeyHash
    function validatorPubkeyHashToInfo(bytes32 validatorPubkeyHash) external view returns (ValidatorInfo memory);

    /// @notice Returns the validatorInfo struct for the provided pubkey
    function validatorPubkeyToInfo(bytes calldata validatorPubkey) external view returns (ValidatorInfo memory);

    ///@notice mapping that tracks proven withdrawals
    function provenWithdrawal(bytes32 validatorPubkeyHash, uint64 slot) external view returns (bool);

    /// @notice This returns the status of a given validator
    function validatorStatus(bytes32 pubkeyHash) external view returns (VALIDATOR_STATUS);

    /// @notice This returns the status of a given validator pubkey
    function validatorStatus(bytes calldata validatorPubkey) external view returns (VALIDATOR_STATUS);

    /**
     * @notice This function verifies that the withdrawal credentials of validator(s) owned by the podOwner are pointed to
     * this contract. It also verifies the effective balance  of the validator.  It verifies the provided proof of the ETH validator against the beacon chain state
     * root, marks the validator as 'active' in EigenLayer, and credits the restaked ETH in Eigenlayer.
     * @param oracleTimestamp is the Beacon Chain timestamp whose state root the `proof` will be proven against.
     * @param validatorIndices is the list of indices of the validators being proven, refer to consensus specs
     * @param withdrawalCredentialProofs is an array of proofs, where each proof proves each ETH validator's balance and withdrawal credentials
     * against a beacon chain state root
     * @param validatorFields are the fields of the "Validator Container", refer to consensus specs
     * for details: https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#validator
     */
    function verifyWithdrawalCredentials(
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        uint40[] calldata validatorIndices,
        bytes[] calldata withdrawalCredentialProofs,
        bytes32[][] calldata validatorFields
    )
        external;

    /**
     * @notice This function records an update (either increase or decrease) in the pod's balance in the StrategyManager.  
               It also verifies a merkle proof of the validator's current beacon chain balance.  
     * @param oracleTimestamp The oracleTimestamp whose state root the `proof` will be proven against.
     *        Must be within `VERIFY_BALANCE_UPDATE_WINDOW_SECONDS` of the current block.
     * @param validatorIndices is the list of indices of the validators being proven, refer to consensus specs 
     * @param validatorFieldsProofs proofs against the `beaconStateRoot` for each validator in `validatorFields`
     * @param validatorFields are the fields of the "Validator Container", refer to consensus specs
     * @dev For more details on the Beacon Chain spec, see: https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#validator
     */
    function verifyBalanceUpdates(
        uint64 oracleTimestamp,
        uint40[] calldata validatorIndices,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields
    ) external;

    /**
     * @notice This function records full and partial withdrawals on behalf of one of the Ethereum validators for this EigenPod
     * @param oracleTimestamp is the timestamp of the oracle slot that the withdrawal is being proven against
     * @param withdrawalProofs is the information needed to check the veracity of the block numbers and withdrawals being proven
     * @param validatorFieldsProofs is the proof of the validator's fields' in the validator tree
     * @param withdrawalFields are the fields of the withdrawals being proven
     * @param validatorFields are the fields of the validators being proven
     */
    function verifyAndProcessWithdrawals(
        uint64 oracleTimestamp,
        BeaconChainProofs.StateRootProof calldata stateRootProof,
        BeaconChainProofs.WithdrawalProof[] calldata withdrawalProofs,
        bytes[] calldata validatorFieldsProofs,
        bytes32[][] calldata validatorFields,
        bytes32[][] calldata withdrawalFields
    ) external;

    /**
     * @notice Called by the pod owner to activate restaking by withdrawing
     * all existing ETH from the pod and preventing further withdrawals via
     * "withdrawBeforeRestaking()"
     */
    function activateRestaking() external;

    /// @notice Called by the pod owner to withdraw the balance of the pod when `hasRestaked` is set to false
    function withdrawBeforeRestaking() external;

    /// @notice Called by the pod owner to withdraw the nonBeaconChainETHBalanceWei
    function withdrawNonBeaconChainETHBalanceWei(address recipient, uint256 amountToWithdraw) external;

    /// @notice called by owner of a pod to remove any ERC20s deposited in the pod
    function recoverTokens(IERC20[] memory tokenList, uint256[] memory amountsToWithdraw, address recipient) external;
}

File 105 of 111 : IBeaconChainOracle.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

/**
 * @title Interface for the BeaconStateOracle contract.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 */
interface IBeaconChainOracle {
    /// @notice The block number to state root mapping.
    function timestampToBlockRoot(uint256 timestamp) external view returns (bytes32);
}

File 106 of 111 : IPausable.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

import "../interfaces/IPauserRegistry.sol";

/**
 * @title Adds pausability to a contract, with pausing & unpausing controlled by the `pauser` and `unpauser` of a PauserRegistry contract.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 * @notice Contracts that inherit from this contract may define their own `pause` and `unpause` (and/or related) functions.
 * These functions should be permissioned as "onlyPauser" which defers to a `PauserRegistry` for determining access control.
 * @dev Pausability is implemented using a uint256, which allows up to 256 different single bit-flags; each bit can potentially pause different functionality.
 * Inspiration for this was taken from the NearBridge design here https://etherscan.io/address/0x3FEFc5A4B1c02f21cBc8D3613643ba0635b9a873#code.
 * For the `pause` and `unpause` functions we've implemented, if you pause, you can only flip (any number of) switches to on/1 (aka "paused"), and if you unpause,
 * you can only flip (any number of) switches to off/0 (aka "paused").
 * If you want a pauseXYZ function that just flips a single bit / "pausing flag", it will:
 * 1) 'bit-wise and' (aka `&`) a flag with the current paused state (as a uint256)
 * 2) update the paused state to this new value
 * @dev We note as well that we have chosen to identify flags by their *bit index* as opposed to their numerical value, so, e.g. defining `DEPOSITS_PAUSED = 3`
 * indicates specifically that if the *third bit* of `_paused` is flipped -- i.e. it is a '1' -- then deposits should be paused
 */

interface IPausable {
    /// @notice Emitted when the `pauserRegistry` is set to `newPauserRegistry`.
    event PauserRegistrySet(IPauserRegistry pauserRegistry, IPauserRegistry newPauserRegistry);

    /// @notice Emitted when the pause is triggered by `account`, and changed to `newPausedStatus`.
    event Paused(address indexed account, uint256 newPausedStatus);

    /// @notice Emitted when the pause is lifted by `account`, and changed to `newPausedStatus`.
    event Unpaused(address indexed account, uint256 newPausedStatus);
    
    /// @notice Address of the `PauserRegistry` contract that this contract defers to for determining access control (for pausing).
    function pauserRegistry() external view returns (IPauserRegistry);

    /**
     * @notice This function is used to pause an EigenLayer contract's functionality.
     * It is permissioned to the `pauser` address, which is expected to be a low threshold multisig.
     * @param newPausedStatus represents the new value for `_paused` to take, which means it may flip several bits at once.
     * @dev This function can only pause functionality, and thus cannot 'unflip' any bit in `_paused` from 1 to 0.
     */
    function pause(uint256 newPausedStatus) external;

    /**
     * @notice Alias for `pause(type(uint256).max)`.
     */
    function pauseAll() external;

    /**
     * @notice This function is used to unpause an EigenLayer contract's functionality.
     * It is permissioned to the `unpauser` address, which is expected to be a high threshold multisig or governance contract.
     * @param newPausedStatus represents the new value for `_paused` to take, which means it may flip several bits at once.
     * @dev This function can only unpause functionality, and thus cannot 'flip' any bit in `_paused` from 0 to 1.
     */
    function unpause(uint256 newPausedStatus) external;

    /// @notice Returns the current paused status as a uint256.
    function paused() external view returns (uint256);

    /// @notice Returns 'true' if the `indexed`th bit of `_paused` is 1, and 'false' otherwise
    function paused(uint8 index) external view returns (bool);

    /// @notice Allows the unpauser to set a new pauser registry
    function setPauserRegistry(IPauserRegistry newPauserRegistry) external;
}

File 107 of 111 : IRave.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

/**
 * @title IRave interface
 * @author Puffer finance
 * @custom:security-contact [email protected]
 * @notice IRave interface
 */
interface IRave {
    /**
     * Bad report signature
     */
    error BadReportSignature();

    /*
    * @dev Verifies the RSA-SHA256 signature of the attestation report.
    * @param report The attestation evidence report from IAS.
    * @param sig The RSA-SHA256 signature over the report.
    * @param signingMod The expected signer's RSA modulus
    * @param signingExp The expected signer's RSA exponent
    * @return True if the signature is valid
    */
    function verifyReportSignature(
        bytes memory report,
        bytes calldata sig,
        bytes memory signingMod,
        bytes memory signingExp
    ) external view returns (bool);

    /*
    * @dev Verifies that the leafX509Cert was signed by the expected signer (signingMod, signingExp). 
        Then uses leafX509Cert RSA public key to verify the signature over the report, sig. 
        The trusted report is verified for correct fields and then the enclave' 64 byte commitment is extracted. 
    * @param report The attestation evidence report from IAS.
    * @param sig The RSA-SHA256 signature over the report.
    * @param leafX509Cert The signed leaf x509 certificate.
    * @param signingMod The expected signer's RSA modulus
    * @param signingExp The expected signer's RSA exponent
    * @param mrenclave The expected enclave measurement.
    * @param mrsigner The expected enclave signer.
    * @return The 64 byte payload from the report.
    */
    function rave(
        bytes calldata report,
        bytes memory sig,
        bytes memory leafX509Cert,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) external view returns (bytes memory payload);

    /*
    * @dev Verifies that this report was signed by the expected signer, then extracts out the report's 64 byte payload.
    * @param report The attestation evidence report from IAS.
    * @param sig The RSA-SHA256 signature over the report.
    * @param signingMod The expected signer's RSA modulus
    * @param signingExp The expected signer's RSA exponent
    * @param mrenclave The expected enclave measurement.
    * @param mrsigner The expected enclave signer.
    * @return The 64 byte payload from the report.
    */
    function verifyRemoteAttestation(
        bytes calldata report,
        bytes memory sig,
        bytes memory signingMod,
        bytes memory signingExp,
        bytes32 mrenclave,
        bytes32 mrsigner
    ) external view returns (bytes memory payload);
}

File 108 of 111 : ModexpPrecompile.sol
pragma solidity ^0.8.4;

library ModexpPrecompile {
    /**
     * @dev Computes (base ^ exponent) % modulus over big numbers.
     */
    function modexp(
        bytes memory base,
        bytes memory exponent,
        bytes memory modulus
    ) internal view returns (bool success, bytes memory output) {
        bytes memory input = abi.encodePacked(
            uint256(base.length),
            uint256(exponent.length),
            uint256(modulus.length),
            base,
            exponent,
            modulus
        );

        output = new bytes(modulus.length);

        assembly {
            success := staticcall(
                gas(),
                5,
                add(input, 32),
                mload(input),
                add(output, 32),
                mload(modulus)
            )
        }
    }
}

File 109 of 111 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant HEX_DIGITS = "0123456789abcdef";
    uint8 private constant ADDRESS_LENGTH = 20;

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value)));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        uint256 localValue = value;
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = HEX_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal
     * representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

File 110 of 111 : IPauserRegistry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity >=0.5.0;

/**
 * @title Interface for the `PauserRegistry` contract.
 * @author Layr Labs, Inc.
 * @notice Terms of Service: https://docs.eigenlayer.xyz/overview/terms-of-service
 */
interface IPauserRegistry {
    event PauserStatusChanged(address pauser, bool canPause);

    event UnpauserChanged(address previousUnpauser, address newUnpauser);
    
    /// @notice Mapping of addresses to whether they hold the pauser role.
    function isPauser(address pauser) external view returns (bool);

    /// @notice Unique address that holds the unpauser role. Capable of changing *both* the pauser and unpauser addresses.
    function unpauser() external view returns (address);
}

File 111 of 111 : SignedMath.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

Settings
{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "openzeppelin-upgrades/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin-upgrades/=lib/openzeppelin-contracts-upgradeable/",
    "eigenlayer/=lib/eigenlayer-contracts/src/contracts/",
    "eigenlayer-middleware/=lib/eigenlayer-middleware/src/",
    "eigenlayer-test/=lib/eigenlayer-contracts/src/test/",
    "openzeppelin-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "puffer/=src/",
    "script/=script/",
    "rave/=lib/rave/src/",
    "rave-test/=lib/rave/test/",
    "murky/=lib/murky/src/",
    "pufETH/=lib/pufETH/src/",
    "pufETHTest/=lib/pufETH/test/",
    "pufETHScript/=lib/pufETH/script/",
    "@openzeppelin-contracts-upgradeable/=lib/pufETH/lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin-upgrades/=lib/eigenlayer-contracts/lib/openzeppelin-contracts-upgradeable/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ERC4626/=lib/pufETH/lib/properties/lib/ERC4626/contracts/",
    "eigenlayer-contracts/=lib/eigenlayer-contracts/",
    "ens-contracts/=lib/rave/lib/ens-contracts/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "properties/=lib/pufETH/lib/properties/contracts/",
    "solady/=lib/pufETH/lib/solady/src/",
    "solmate/=lib/pufETH/lib/properties/lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": false
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {
    "src/LibBeaconchainContract.sol": {
      "LibBeaconchainContract": "0x05Ed83F15E1ac00f88ddaac0964cF21CF62f424b"
    }
  }
}

Contract Security Audit

Contract ABI

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IPufferOracleV2","name":"oracle","type":"address"},{"internalType":"address","name":"beaconDepositContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"authority","type":"address"}],"name":"AccessManagedInvalidAuthority","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"},{"internalType":"uint32","name":"delay","type":"uint32"}],"name":"AccessManagedRequiredDelay","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"AccessManagedUnauthorized","type":"error"},{"inputs":[],"name":"ActiveOrPendingValidatorsExist","type":"error"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"Failed","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"InvalidAddress","type":"error"},{"inputs":[],"name":"InvalidBLSPrivateKeyShares","type":"error"},{"inputs":[],"name":"InvalidBLSPubKey","type":"error"},{"inputs":[],"name":"InvalidBLSPublicKeySet","type":"error"},{"inputs":[],"name":"InvalidDepositRootHash","type":"error"},{"inputs":[],"name":"InvalidETHAmount","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"InvalidVTAmount","type":"error"},{"inputs":[{"internalType":"enum Status","name":"status","type":"uint8"}],"name":"InvalidValidatorState","type":"error"},{"inputs":[],"name":"ModuleAlreadyExists","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[],"name":"UUPSUnauthorizedCallContext","type":"error"},{"inputs":[{"internalType":"bytes32","name":"slot","type":"bytes32"}],"name":"UUPSUnsupportedProxiableUUID","type":"error"},{"inputs":[],"name":"ValidatorLimitForModuleReached","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"authority","type":"address"}],"name":"AuthorityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"oldMinimumNumberOfDays","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newMinimumNumberOfDays","type":"uint256"}],"name":"MinimumVTAmountChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32[]","name":"oldWeights","type":"bytes32[]"},{"indexed":false,"internalType":"bytes32[]","name":"newWeights","type":"bytes32[]"}],"name":"ModuleWeightsChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"module","type":"address"},{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"indexed":false,"internalType":"bytes32","name":"withdrawalCredentials","type":"bytes32"}],"name":"NewPufferModuleCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"newNumberOfRegisteredValidators","type":"uint256"}],"name":"NumberOfRegisteredValidatorsChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"pubKey","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"SuccessfullyProvisioned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"oldPenalty","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newPenalty","type":"uint256"}],"name":"VTPenaltyChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"pubKey","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"pufETHBurnAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"vtBurnAmount","type":"uint256"}],"name":"ValidatorExited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"pubKey","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"indexed":false,"internalType":"bool","name":"usingEnclave","type":"bool"}],"name":"ValidatorKeyRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"oldLimit","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newLimit","type":"uint256"}],"name":"ValidatorLimitPerModuleChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"pubKey","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"ValidatorSkipped","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"node","type":"address"},{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ValidatorTicketsDeposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"node","type":"address"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ValidatorTicketsWithdrawn","type":"event"},{"inputs":[],"name":"BEACON_DEPOSIT_CONTRACT","outputs":[{"internalType":"contract IBeaconDepositContract","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"GUARDIAN_MODULE","outputs":[{"internalType":"contract IGuardianModule","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUFFER_MODULE_MANAGER","outputs":[{"internalType":"contract IPufferModuleManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUFFER_ORACLE","outputs":[{"internalType":"contract IPufferOracleV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUFFER_VAULT","outputs":[{"internalType":"contract PufferVaultV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UPGRADE_INTERFACE_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VALIDATOR_TICKET","outputs":[{"internalType":"contract ValidatorTicket","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"authority","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"module","type":"address"},{"internalType":"uint256","name":"startEpoch","type":"uint256"},{"internalType":"uint256","name":"endEpoch","type":"uint256"},{"internalType":"bool","name":"wasSlashed","type":"bool"},{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"},{"internalType":"uint256","name":"withdrawalAmount","type":"uint256"}],"internalType":"struct StoppedValidatorInfo[]","name":"validatorInfos","type":"tuple[]"},{"internalType":"bytes[]","name":"guardianEOASignatures","type":"bytes[]"}],"name":"batchHandleWithdrawals","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMinimumVTAmount","type":"uint256"}],"name":"changeMinimumVTAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"createPufferModule","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct Permit","name":"permit","type":"tuple"},{"internalType":"address","name":"node","type":"address"}],"name":"depositValidatorTickets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"pubKey","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"bytes","name":"withdrawalCredentials","type":"bytes"}],"name":"getDepositDataRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getMinimumVtAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"getModuleAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"getModuleLimitInformation","outputs":[{"components":[{"internalType":"uint128","name":"allowedLimit","type":"uint128"},{"internalType":"uint128","name":"numberOfRegisteredValidators","type":"uint128"}],"internalType":"struct ModuleLimit","name":"info","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getModuleSelectIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getModuleWeights","outputs":[{"internalType":"bytes32[]","name":"","type":"bytes32[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"getNextValidatorToBeProvisionedIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextValidatorToProvision","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"node","type":"address"}],"name":"getNodeInfo","outputs":[{"components":[{"internalType":"uint64","name":"activeValidatorCount","type":"uint64"},{"internalType":"uint64","name":"pendingValidatorCount","type":"uint64"},{"internalType":"uint96","name":"vtBalance","type":"uint96"}],"internalType":"struct NodeInfo","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"internalType":"bool","name":"usingEnclave","type":"bool"}],"name":"getPayload","outputs":[{"internalType":"bytes[]","name":"","type":"bytes[]"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"getPendingValidatorIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVTPenalty","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"internalType":"uint256","name":"pufferModuleIndex","type":"uint256"}],"name":"getValidatorInfo","outputs":[{"components":[{"internalType":"address","name":"node","type":"address"},{"internalType":"uint96","name":"bond","type":"uint96"},{"internalType":"address","name":"module","type":"address"},{"internalType":"enum Status","name":"status","type":"uint8"},{"internalType":"bytes","name":"pubKey","type":"bytes"}],"internalType":"struct Validator","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"getValidatorTicketsBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"}],"name":"getValidators","outputs":[{"components":[{"internalType":"address","name":"node","type":"address"},{"internalType":"uint96","name":"bond","type":"uint96"},{"internalType":"address","name":"module","type":"address"},{"internalType":"enum Status","name":"status","type":"uint8"},{"internalType":"bytes","name":"pubKey","type":"bytes"}],"internalType":"struct Validator[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"}],"name":"getWithdrawalCredentials","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"accessManager","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isConsumingScheduledOp","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"guardianEnclaveSignatures","type":"bytes[]"},{"internalType":"bytes","name":"validatorSignature","type":"bytes"},{"internalType":"bytes32","name":"depositRootHash","type":"bytes32"}],"name":"provisionNode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bytes","name":"blsPubKey","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"bytes32","name":"depositDataRoot","type":"bytes32"},{"internalType":"bytes[]","name":"blsEncryptedPrivKeyShares","type":"bytes[]"},{"internalType":"bytes","name":"blsPubKeySet","type":"bytes"},{"internalType":"bytes","name":"raveEvidence","type":"bytes"}],"internalType":"struct ValidatorKeyData","name":"data","type":"tuple"},{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct Permit","name":"pufETHPermit","type":"tuple"},{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct Permit","name":"vtPermit","type":"tuple"}],"name":"registerValidatorKey","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"revertIfPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAuthority","type":"address"}],"name":"setAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"newModuleWeights","type":"bytes32[]"}],"name":"setModuleWeights","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPenaltyAmount","type":"uint256"}],"name":"setVTPenalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"internalType":"uint128","name":"limit","type":"uint128"}],"name":"setValidatorLimitPerModule","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"moduleName","type":"bytes32"},{"internalType":"bytes[]","name":"guardianEOASignatures","type":"bytes[]"}],"name":"skipProvisioning","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint96","name":"amount","type":"uint96"},{"internalType":"address","name":"recipient","type":"address"}],"name":"withdrawValidatorTickets","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000d9a442856c234a39a81a089c06451ebaa4306a72000000000000000000000000628b183f248a142a598aa2dcccd6f7e480a7ccf20000000000000000000000009e1e4fcb49931df5743e659ad910d331735c38600000000000000000000000007d26ad6f6ba9d6ba1de0218ae5e20cd3a273a55a0000000000000000000000000be2ae0edbebb517541df217ef0074fc9a9e994f00000000000000000000000000000000219ab540356cbb839cbe05303d7705fa

-----Decoded View---------------
Arg [0] : pufferVault (address): 0xD9A442856C234a39a81a089C06451EBAa4306a72
Arg [1] : guardianModule (address): 0x628b183F248a142A598AA2dcCCD6f7E480a7CcF2
Arg [2] : moduleManager (address): 0x9E1E4fCb49931df5743e659ad910d331735C3860
Arg [3] : validatorTicket (address): 0x7D26AD6F6BA9D6bA1de0218Ae5e20CD3a273a55A
Arg [4] : oracle (address): 0x0BE2aE0edbeBb517541DF217EF0074FC9a9e994f
Arg [5] : beaconDepositContract (address): 0x00000000219ab540356cBB839Cbe05303d7705Fa

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000d9a442856c234a39a81a089c06451ebaa4306a72
Arg [1] : 000000000000000000000000628b183f248a142a598aa2dcccd6f7e480a7ccf2
Arg [2] : 0000000000000000000000009e1e4fcb49931df5743e659ad910d331735c3860
Arg [3] : 0000000000000000000000007d26ad6f6ba9d6ba1de0218ae5e20cd3a273a55a
Arg [4] : 0000000000000000000000000be2ae0edbebb517541df217ef0074fc9a9e994f
Arg [5] : 00000000000000000000000000000000219ab540356cbb839cbe05303d7705fa


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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.