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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { UtilLib } from "./utils/UtilLib.sol";
import { LRTConstants } from "./utils/LRTConstants.sol";

import { LRTConfigRoleChecker, ILRTConfig } from "./utils/LRTConfigRoleChecker.sol";
import { IRSETH } from "./interfaces/IRSETH.sol";
import { ILRTOracle } from "./interfaces/ILRTOracle.sol";
import { INodeDelegator } from "./interfaces/INodeDelegator.sol";
import { ILRTDepositPool } from "./interfaces/ILRTDepositPool.sol";
import { ILRTUnstakingVault } from "./interfaces/ILRTUnstakingVault.sol";
import { ILRTWithdrawalManager } from "./interfaces/ILRTWithdrawalManager.sol";
import { ILRTConverter } from "./interfaces/ILRTConverter.sol";

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { PausableUpgradeable } from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import { ReentrancyGuardUpgradeable } from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

/// @title LRTDepositPool - Deposit Pool Contract for LSTs
/// @notice Handles LST asset deposits
contract LRTDepositPool is ILRTDepositPool, LRTConfigRoleChecker, PausableUpgradeable, ReentrancyGuardUpgradeable {
    using SafeERC20 for IERC20;

    uint256 public maxNodeDelegatorLimit;
    uint256 public minAmountToDeposit;

    mapping(address => uint256) public isNodeDelegator; // 0: not a node delegator, 1: is a node delegator
    address[] public nodeDelegatorQueue;

    /// @notice maximum amount that can be ignored
    uint256 public maxNegligibleAmount;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /// @dev Initializes the contract
    /// @param lrtConfigAddr LRT config address
    function initialize(address lrtConfigAddr) external initializer {
        UtilLib.checkNonZeroAddress(lrtConfigAddr);
        __Pausable_init();
        __ReentrancyGuard_init();
        maxNodeDelegatorLimit = 10;
        lrtConfig = ILRTConfig(lrtConfigAddr);
        emit UpdatedLRTConfig(lrtConfigAddr);
    }

    /*//////////////////////////////////////////////////////////////
                        receive functions
    //////////////////////////////////////////////////////////////*/

    receive() external payable { }

    /// @dev receive from RewardReceiver
    function receiveFromRewardReceiver() external payable { }

    /// @dev receive from LRTConverter
    function receiveFromLRTConverter() external payable { }

    /// @dev receive from NodeDelegator
    function receiveFromNodeDelegator() external payable { }

    /*//////////////////////////////////////////////////////////////
                            user interactions
    //////////////////////////////////////////////////////////////*/

    /// @notice Allows user to deposit ETH to the protocol
    /// @param minRSETHAmountExpected Minimum amount of rseth to receive
    /// @param referralId referral id
    function depositETH(
        uint256 minRSETHAmountExpected,
        string calldata referralId
    )
        external
        payable
        nonReentrant
        whenNotPaused
    {
        // checks
        uint256 rsethAmountToMint = _beforeDeposit(LRTConstants.ETH_TOKEN, msg.value, minRSETHAmountExpected);

        // interactions
        _mintRsETH(rsethAmountToMint);

        emit ETHDeposit(msg.sender, msg.value, rsethAmountToMint, referralId);
    }

    /// @notice helps user stake LST to the protocol
    /// @param asset LST asset address to stake
    /// @param depositAmount LST asset amount to stake
    /// @param minRSETHAmountExpected Minimum amount of rseth to receive
    function depositAsset(
        address asset,
        uint256 depositAmount,
        uint256 minRSETHAmountExpected,
        string calldata referralId
    )
        external
        nonReentrant
        whenNotPaused
        onlySupportedAsset(asset)
    {
        // checks
        uint256 rsethAmountToMint = _beforeDeposit(asset, depositAmount, minRSETHAmountExpected);

        // interactions
        IERC20(asset).safeTransferFrom(msg.sender, address(this), depositAmount);
        _mintRsETH(rsethAmountToMint);

        emit AssetDeposit(msg.sender, asset, depositAmount, rsethAmountToMint, referralId);
    }

    /*//////////////////////////////////////////////////////////////
                        Fund movement functions
    //////////////////////////////////////////////////////////////*/

    /// @notice swap ETH for LST asset which is accepted by LRTDepositPool
    /// @dev use LRTOracle to get price for toToken. Only callable by LRT manager
    /// @param toAsset Asset address to swap to
    /// @param minToAssetAmount Minimum asset amount to swap to
    function swapETHForAssetWithinDepositPool(
        address toAsset,
        uint256 minToAssetAmount
    )
        external
        payable
        onlyLRTManager
        onlySupportedAsset(toAsset)
    {
        // checks
        uint256 ethAmountSent = msg.value;

        uint256 returnAmount = getSwapETHToAssetReturnAmount(toAsset, ethAmountSent);

        if (returnAmount < minToAssetAmount || IERC20(toAsset).balanceOf(address(this)) < returnAmount) {
            revert NotEnoughAssetToTransfer();
        }

        // interactions
        IERC20(toAsset).transfer(msg.sender, returnAmount);

        emit ETHSwappedForLST(ethAmountSent, toAsset, returnAmount);
    }

    /// @notice transfers asset lying in this DepositPool to node delegator contract
    /// @dev only callable by LRT manager
    /// @param ndcIndex Index of NodeDelegator contract address in nodeDelegatorQueue
    /// @param asset Asset address
    /// @param amount Asset amount to transfer
    function transferAssetToNodeDelegator(
        uint256 ndcIndex,
        address asset,
        uint256 amount
    )
        external
        nonReentrant
        onlyLRTManager
        onlySupportedAsset(asset)
    {
        address nodeDelegator = nodeDelegatorQueue[ndcIndex];
        IERC20(asset).safeTransfer(nodeDelegator, amount);
    }

    /// @notice transfers ETH lying in this DepositPool to node delegator contract
    /// @dev only callable by LRT manager
    /// @param ndcIndex Index of NodeDelegator contract address in nodeDelegatorQueue
    /// @param amount ETH amount to transfer
    function transferETHToNodeDelegator(uint256 ndcIndex, uint256 amount) external nonReentrant onlyLRTManager {
        address nodeDelegator = nodeDelegatorQueue[ndcIndex];
        INodeDelegator(nodeDelegator).sendETHFromDepositPoolToNDC{ value: amount }();
        emit EthTransferred(nodeDelegator, amount);
    }

    /// @notice transfers asset lying in this DepositPool to LRTUnstakingVault contract
    /// @dev only callable by LRT manager
    /// @param asset Asset address
    /// @param amount Asset amount to transfer
    function transferAssetToLRTUnstakingVault(
        address asset,
        uint256 amount
    )
        external
        nonReentrant
        onlyLRTManager
        onlySupportedAsset(asset)
    {
        address lrtUnstakingVault = lrtConfig.getContract(LRTConstants.LRT_UNSTAKING_VAULT);
        IERC20(asset).safeTransfer(lrtUnstakingVault, amount);
    }

    /// @notice transfers ETH lying in this DepositPool to nLRTUnstakingVault contract
    /// @dev only callable by LRT manager
    /// @param amount ETH amount to transfer
    function transferETHToLRTUnstakingVault(uint256 amount) external nonReentrant onlyLRTManager {
        address lrtUnstakingVault = lrtConfig.getContract(LRTConstants.LRT_UNSTAKING_VAULT);
        ILRTUnstakingVault(lrtUnstakingVault).receiveFromLRTDepositPool{ value: amount }();
        emit EthTransferred(lrtUnstakingVault, amount);
    }

    /*//////////////////////////////////////////////////////////////
                    Setters / Update Functions
    //////////////////////////////////////////////////////////////*/

    /// @notice maximum amount that can be ignored
    /// @dev only callable by LRT admin
    /// @param maxNegligibleAmount_ Maximum amount that can be ignored
    function setMaxNegligibleAmount(uint256 maxNegligibleAmount_) external onlyLRTAdmin {
        maxNegligibleAmount = maxNegligibleAmount_;
        emit MaxNegligibleAmountUpdated(maxNegligibleAmount_);
    }

    /// @notice update min amount to deposit
    /// @dev only callable by LRT admin
    /// @param minAmountToDeposit_ Minimum amount to deposit
    function setMinAmountToDeposit(uint256 minAmountToDeposit_) external onlyLRTAdmin {
        minAmountToDeposit = minAmountToDeposit_;
        emit MinAmountToDepositUpdated(minAmountToDeposit_);
    }

    /// @notice update max node delegator count
    /// @dev only callable by LRT admin
    /// @param maxNodeDelegatorLimit_ Maximum count of node delegator
    function updateMaxNodeDelegatorLimit(uint256 maxNodeDelegatorLimit_) external onlyLRTAdmin {
        if (maxNodeDelegatorLimit_ < nodeDelegatorQueue.length) {
            revert InvalidMaximumNodeDelegatorLimit();
        }

        maxNodeDelegatorLimit = maxNodeDelegatorLimit_;
        emit MaxNodeDelegatorLimitUpdated(maxNodeDelegatorLimit);
    }

    /// @notice add new node delegator contract addresses
    /// @dev only callable by LRT admin
    /// @param nodeDelegatorContracts Array of NodeDelegator contract addresses
    function addNodeDelegatorContractToQueue(address[] calldata nodeDelegatorContracts) external onlyLRTAdmin {
        uint256 length = nodeDelegatorContracts.length;
        if (nodeDelegatorQueue.length + length > maxNodeDelegatorLimit) {
            revert MaximumNodeDelegatorLimitReached();
        }

        for (uint256 i; i < length;) {
            UtilLib.checkNonZeroAddress(nodeDelegatorContracts[i]);

            // check if node delegator contract is already added and add it if not
            if (isNodeDelegator[nodeDelegatorContracts[i]] == 0) {
                nodeDelegatorQueue.push(nodeDelegatorContracts[i]);
            }

            isNodeDelegator[nodeDelegatorContracts[i]] = 1;

            unchecked {
                ++i;
            }
        }

        emit NodeDelegatorAddedinQueue(nodeDelegatorContracts);
    }

    /// @notice remove node delegator contract address from queue
    /// @dev only callable by LRT admin
    /// @param nodeDelegatorAddress NodeDelegator contract address
    function removeNodeDelegatorContractFromQueue(address nodeDelegatorAddress) external onlyLRTAdmin {
        _removeNodeDelegatorContractFromQueue(nodeDelegatorAddress);
    }

    /// @notice remove many node delegator contracts from queue
    /// @dev only callable by LRT admin
    /// @param nodeDelegatorContracts Array of NodeDelegator contract addresses
    function removeManyNodeDelegatorContractsFromQueue(address[] calldata nodeDelegatorContracts)
        external
        onlyLRTAdmin
    {
        uint256 length = nodeDelegatorContracts.length;
        for (uint256 i; i < length;) {
            _removeNodeDelegatorContractFromQueue(nodeDelegatorContracts[i]);
            unchecked {
                ++i;
            }
        }
    }

    /// @dev Triggers stopped state. Contract must not be paused.
    function pause() external onlyLRTManager {
        _pause();
    }

    /// @dev Returns to normal state. Contract must be paused
    function unpause() external onlyLRTAdmin {
        _unpause();
    }

    /*//////////////////////////////////////////////////////////////
                    other write functions
    //////////////////////////////////////////////////////////////*/

    /// @notice Approves the maximum amount of an asset to the LRTConverter contract
    /// @dev only supported assets can be deposited and only called by the LRT manager
    /// @param asset the asset to approve
    function maxApproveToLRTConverter(address asset) external onlySupportedAsset(asset) onlyLRTManager {
        address lrtConverterAddress = lrtConfig.getContract(LRTConstants.LRT_CONVERTER);
        IERC20(asset).approve(lrtConverterAddress, type(uint256).max);
    }

    /*//////////////////////////////////////////////////////////////
                            view functions
    //////////////////////////////////////////////////////////////*/

    /// @notice gets the total asset present in protocol
    /// @param asset Asset address
    /// @return totalAssetDeposit total asset present in protocol
    function getTotalAssetDeposits(address asset) public view override returns (uint256 totalAssetDeposit) {
        (
            uint256 assetLyingInDepositPool,
            uint256 assetLyingInNDCs,
            uint256 assetStakedInEigenLayer,
            uint256 assetUnstakingFromEigenLayer,
            uint256 assetLyingInConverter,
            uint256 assetLyingUnstakingVault
        ) = getAssetDistributionData(asset);
        return (
            assetLyingInDepositPool + assetLyingInNDCs + assetStakedInEigenLayer + assetUnstakingFromEigenLayer
                + assetLyingInConverter + assetLyingUnstakingVault
        );
    }

    /// @notice gets the current limit of asset deposit
    /// @param asset Asset address
    /// @return currentLimit Current limit of asset deposit
    function getAssetCurrentLimit(address asset) public view override returns (uint256) {
        uint256 totalAssetDeposits = getTotalAssetDeposits(asset);
        if (totalAssetDeposits > lrtConfig.depositLimitByAsset(asset)) {
            return 0;
        }

        return lrtConfig.depositLimitByAsset(asset) - totalAssetDeposits;
    }

    /// @dev get node delegator queue
    /// @return nodeDelegatorQueue Array of node delegator contract addresses
    function getNodeDelegatorQueue() external view override returns (address[] memory) {
        return nodeDelegatorQueue;
    }

    /// @dev provides asset amount distribution data among depositPool, NDCs and eigenLayer
    /// @param asset the asset to get the total amount of
    /// @return assetLyingInDepositPool asset amount lying in this LRTDepositPool contract
    /// @return assetLyingInNDCs asset amount sum lying in all NDC contract
    /// @return assetStakedInEigenLayer asset amount deposited in eigen layer strategies through all NDCs
    /// @return assetUnstakingFromEigenLayer asset amount in delayed withdrawal from eigen layer strategies through all
    /// NDCs
    /// @return assetLyingInConverter asset value lying in converter
    /// @return assetLyingUnstakingVault asset amount lying in UnstakingVault
    function getAssetDistributionData(address asset)
        public
        view
        override
        onlySupportedAsset(asset)
        returns (
            uint256 assetLyingInDepositPool,
            uint256 assetLyingInNDCs,
            uint256 assetStakedInEigenLayer,
            uint256 assetUnstakingFromEigenLayer,
            uint256 assetLyingInConverter,
            uint256 assetLyingUnstakingVault
        )
    {
        if (asset == LRTConstants.ETH_TOKEN) {
            return getETHDistributionData();
        }
        assetLyingInDepositPool = IERC20(asset).balanceOf(address(this));

        uint256 ndcsCount = nodeDelegatorQueue.length;
        for (uint256 i; i < ndcsCount;) {
            assetLyingInNDCs += IERC20(asset).balanceOf(nodeDelegatorQueue[i]);
            assetStakedInEigenLayer += INodeDelegator(nodeDelegatorQueue[i]).getAssetBalance(asset);

            unchecked {
                ++i;
            }
        }

        address lrtUnstakingVault = lrtConfig.getContract(LRTConstants.LRT_UNSTAKING_VAULT);
        assetUnstakingFromEigenLayer = ILRTUnstakingVault(lrtUnstakingVault).getAssetsUnstaking(asset);
        assetLyingInConverter = 0; //assets in converter are accounted in there eth value => getETHDistributionData
        assetLyingUnstakingVault = IERC20(asset).balanceOf(lrtUnstakingVault);
    }

    /// @dev provides ETH amount distribution data among depositPool, NDCs and eigenLayer
    /// @dev rewards are not accounted here
    /// it will automatically be accounted once it is moved from feeReceiver/rewardReceiver to depositPool
    function getETHDistributionData()
        public
        view
        override
        returns (
            uint256 ethLyingInDepositPool,
            uint256 ethLyingInNDCs,
            uint256 ethStakedInEigenLayer,
            uint256 ethUnstakingFromEigenLayer,
            uint256 ethLyingInConverter,
            uint256 ethLyingInUnstakingVault
        )
    {
        ethLyingInDepositPool = address(this).balance;

        uint256 ndcsCount = nodeDelegatorQueue.length;
        for (uint256 i; i < ndcsCount;) {
            ethLyingInNDCs += nodeDelegatorQueue[i].balance;
            ethStakedInEigenLayer += INodeDelegator(nodeDelegatorQueue[i]).getETHEigenPodBalance();
            unchecked {
                ++i;
            }
        }

        address lrtUnstakingVault = lrtConfig.getContract(LRTConstants.LRT_UNSTAKING_VAULT);
        ethUnstakingFromEigenLayer = ILRTUnstakingVault(lrtUnstakingVault).getAssetsUnstaking(LRTConstants.ETH_TOKEN);

        address lrtConverter = lrtConfig.getContract(LRTConstants.LRT_CONVERTER);
        ethLyingInConverter = ILRTConverter(lrtConverter).ethValueInWithdrawal();

        ethLyingInUnstakingVault = lrtUnstakingVault.balance;
    }

    /// @notice View amount of rsETH to mint for given asset amount
    /// @param asset Asset address
    /// @param amount Asset amount
    /// @return rsethAmountToMint Amount of rseth to mint
    function getRsETHAmountToMint(
        address asset,
        uint256 amount
    )
        public
        view
        override
        returns (uint256 rsethAmountToMint)
    {
        // setup oracle contract
        address lrtOracleAddress = lrtConfig.getContract(LRTConstants.LRT_ORACLE);
        ILRTOracle lrtOracle = ILRTOracle(lrtOracleAddress);

        // calculate rseth amount to mint based on asset amount and asset exchange rate
        rsethAmountToMint = (amount * lrtOracle.getAssetPrice(asset)) / lrtOracle.rsETHPrice();
    }

    /// @notice get return amount for swapping ETH to asset that is accepted by LRTDepositPool
    /// @dev use LRTOracle to get price for toToken
    /// @param toAsset Asset address to swap to
    /// @param ethAmountToSend Eth amount to swap from
    /// @return returnAmount Return amount of toAsset
    function getSwapETHToAssetReturnAmount(
        address toAsset,
        uint256 ethAmountToSend
    )
        public
        view
        returns (uint256 returnAmount)
    {
        address lrtOracleAddress = lrtConfig.getContract(LRTConstants.LRT_ORACLE);
        ILRTOracle lrtOracle = ILRTOracle(lrtOracleAddress);

        uint256 ethPricePerUint = 1e18;

        return ethPricePerUint * ethAmountToSend / lrtOracle.getAssetPrice(toAsset);
    }

    /*//////////////////////////////////////////////////////////////
                          internal functions
    //////////////////////////////////////////////////////////////*/

    /// @notice internal function to remove node delegator contract address from queue
    /// @param nodeDelegatorAddress NodeDelegator contract address
    function _removeNodeDelegatorContractFromQueue(address nodeDelegatorAddress) internal {
        // 1. check if node delegator contract is in queue and find Index
        uint256 ndcIndex = _getNDCIndex(nodeDelegatorAddress);

        // 2. revert if node delegator contract has any asset balances.
        // 2.1 check if NDC has native ETH balance in eigen layer or/and in itself.
        _checkResidueEthBalance(nodeDelegatorAddress);
        // 2.2  check if NDC has LST balance
        _checkResidueLSTBalance(nodeDelegatorAddress);

        // 3. remove node delegator contract from queue
        // 3.1 remove from isNodeDelegator mapping
        isNodeDelegator[nodeDelegatorAddress] = 0;
        // 3.2 remove from nodeDelegatorQueue
        nodeDelegatorQueue[ndcIndex] = nodeDelegatorQueue[nodeDelegatorQueue.length - 1];
        nodeDelegatorQueue.pop();

        emit NodeDelegatorRemovedFromQueue(nodeDelegatorAddress);
    }

    function _getNDCIndex(address nodeDelegatorAddress) internal view returns (uint256) {
        uint256 length = nodeDelegatorQueue.length;
        uint256 i;
        for (; i < length;) {
            if (nodeDelegatorQueue[i] == nodeDelegatorAddress) {
                return i;
            }
            unchecked {
                ++i;
            }
        }

        // If node delegator contract is not found in queue, revert
        revert NodeDelegatorNotFound();
    }

    /// @dev reverts if NDC has native ETH balance in eigen layer or/and in itself.
    function _checkResidueEthBalance(address nodeDelegatorAddress) internal view {
        uint256 ndcEthBalance =
            INodeDelegator(nodeDelegatorAddress).getETHEigenPodBalance() + address(nodeDelegatorAddress).balance;

        if (ndcEthBalance > maxNegligibleAmount) {
            revert NodeDelegatorHasETH();
        }
    }

    /// @dev reverts if NDC has LST balance
    function _checkResidueLSTBalance(address nodeDelegatorAddress) internal view {
        address[] memory supportedAssets = lrtConfig.getSupportedAssetList();
        uint256 supportedAssetsLength = supportedAssets.length;

        uint256 assetBalance;
        for (uint256 i; i < supportedAssetsLength; ++i) {
            if (supportedAssets[i] == LRTConstants.ETH_TOKEN) {
                // this function only checks for residual LST balance
                continue;
            }

            assetBalance = IERC20(supportedAssets[i]).balanceOf(nodeDelegatorAddress)
                + INodeDelegator(nodeDelegatorAddress).getAssetBalance(supportedAssets[i]);

            if (assetBalance > maxNegligibleAmount) {
                revert NodeDelegatorHasAssetBalance(supportedAssets[i], assetBalance);
            }
        }
    }

    function _beforeDeposit(
        address asset,
        uint256 depositAmount,
        uint256 minRSETHAmountExpected
    )
        private
        view
        returns (uint256 rsethAmountToMint)
    {
        if (depositAmount == 0 || depositAmount < minAmountToDeposit) {
            revert InvalidAmountToDeposit();
        }

        if (_checkIfDepositAmountExceedesCurrentLimit(asset, depositAmount)) {
            revert MaximumDepositLimitReached();
        }

        rsethAmountToMint = getRsETHAmountToMint(asset, depositAmount);

        if (rsethAmountToMint < minRSETHAmountExpected) {
            revert MinimumAmountToReceiveNotMet();
        }
    }

    /// @notice checks if deposit amount exceeds current limit
    /// @param asset Asset address
    /// @param amount Asset amount
    /// @return bool true if deposit amount exceeds current limit
    function _checkIfDepositAmountExceedesCurrentLimit(address asset, uint256 amount) internal view returns (bool) {
        uint256 totalAssetDeposits = getTotalAssetDeposits(asset);
        if (asset == LRTConstants.ETH_TOKEN) {
            return (totalAssetDeposits > lrtConfig.depositLimitByAsset(asset));
        }
        return (totalAssetDeposits + amount > lrtConfig.depositLimitByAsset(asset));
    }

    /// @dev private function to mint rseth
    /// @param rsethAmountToMint Amount of rseth minted
    function _mintRsETH(uint256 rsethAmountToMint) private {
        address rsethToken = lrtConfig.rsETH();
        // mint rseth for user
        IRSETH(rsethToken).mint(msg.sender, rsethAmountToMint);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

/// @title UtilLib - Utility library
/// @notice Utility functions
library UtilLib {
    error ZeroAddressNotAllowed();

    /// @dev zero address check modifier
    /// @param address_ address to check
    function checkNonZeroAddress(address address_) internal pure {
        if (address_ == address(0)) revert ZeroAddressNotAllowed();
    }

    function getMin(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a < b) return a;
        return b;
    }

    function getMax(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a > b) return a;
        return b;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

library LRTConstants {
    //tokens
    //rETH token
    bytes32 public constant R_ETH_TOKEN = keccak256("R_ETH_TOKEN");
    //stETH token
    bytes32 public constant ST_ETH_TOKEN = keccak256("ST_ETH_TOKEN");
    //cbETH token
    bytes32 public constant CB_ETH_TOKEN = keccak256("CB_ETH_TOKEN");
    //ETHX token
    bytes32 public constant ETHX_TOKEN = keccak256("ETHX_TOKEN");
    //sfrxETH
    bytes32 public constant SFRX_ETH_TOKEN = keccak256("SFRX_ETH_TOKEN");

    bytes32 public constant BEACON_CHAIN_ETH_STRATEGY = keccak256("BEACON_CHAIN_ETH_STRATEGY");

    //contracts
    bytes32 public constant LRT_ORACLE = keccak256("LRT_ORACLE");
    bytes32 public constant LRT_DEPOSIT_POOL = keccak256("LRT_DEPOSIT_POOL");
    bytes32 public constant LRT_WITHDRAW_MANAGER = keccak256("LRT_WITHDRAW_MANAGER");
    bytes32 public constant LRT_UNSTAKING_VAULT = keccak256("LRT_UNSTAKING_VAULT");
    bytes32 public constant LRT_CONVERTER = keccak256("LRT_CONVERTER");

    bytes32 public constant EIGEN_STRATEGY_MANAGER = keccak256("EIGEN_STRATEGY_MANAGER");

    //Roles
    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
    bytes32 public constant MANAGER = keccak256("MANAGER");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant BURNER_ROLE = keccak256("BURNER_ROLE");

    // updated library variables
    bytes32 public constant SFRXETH_TOKEN = keccak256("SFRXETH_TOKEN");
    // add new vars below
    bytes32 public constant EIGEN_POD_MANAGER = keccak256("EIGEN_POD_MANAGER");

    // native ETH as ERC20 for ease of implementation
    address public constant ETH_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    // Operator Role
    bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE");

    // reward receiver contract
    bytes32 public constant REWARD_RECEIVER = keccak256("REWARD_RECEIVER");

    // EigenLayer Delegation Manager
    bytes32 public constant EIGEN_DELEGATION_MANAGER = keccak256("EIGEN_DELEGATION_MANAGER");

    uint256 public constant ONE_E_9 = 1e9;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { UtilLib } from "./UtilLib.sol";
import { LRTConstants } from "./LRTConstants.sol";

import { ILRTConfig } from "../interfaces/ILRTConfig.sol";

import { IAccessControl } from "@openzeppelin/contracts/access/IAccessControl.sol";
import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol";

/// @title LRTConfigRoleChecker - LRT Config Role Checker Contract
/// @notice Handles LRT config role checks
abstract contract LRTConfigRoleChecker {
    ILRTConfig public lrtConfig;

    // events
    event UpdatedLRTConfig(address indexed lrtConfig);

    // modifiers
    modifier onlyRole(bytes32 role) {
        if (!IAccessControl(address(lrtConfig)).hasRole(role, msg.sender)) {
            string memory roleStr = string(abi.encodePacked(role));
            revert ILRTConfig.CallerNotLRTConfigAllowedRole(roleStr);
        }
        _;
    }

    modifier onlyLRTManager() {
        if (!IAccessControl(address(lrtConfig)).hasRole(LRTConstants.MANAGER, msg.sender)) {
            revert ILRTConfig.CallerNotLRTConfigManager();
        }
        _;
    }

    modifier onlyLRTOperator() {
        if (!IAccessControl(address(lrtConfig)).hasRole(LRTConstants.OPERATOR_ROLE, msg.sender)) {
            revert ILRTConfig.CallerNotLRTConfigOperator();
        }
        _;
    }

    modifier onlyLRTAdmin() {
        if (!IAccessControl(address(lrtConfig)).hasRole(LRTConstants.DEFAULT_ADMIN_ROLE, msg.sender)) {
            revert ILRTConfig.CallerNotLRTConfigAdmin();
        }
        _;
    }

    modifier onlySupportedAsset(address asset) {
        if (!lrtConfig.isSupportedAsset(asset)) {
            revert ILRTConfig.AssetNotSupported();
        }
        _;
    }

    // setters

    /// @notice Updates the LRT config contract
    /// @dev only callable by LRT admin
    /// @param lrtConfigAddr the new LRT config contract Address
    function updateLRTConfig(address lrtConfigAddr) external virtual onlyLRTAdmin {
        if (address(lrtConfig) != address(0)) revert ILRTConfig.ValueAlreadyInUse();

        UtilLib.checkNonZeroAddress(lrtConfigAddr);
        lrtConfig = ILRTConfig(lrtConfigAddr);
        emit UpdatedLRTConfig(lrtConfigAddr);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol";

interface IRSETH is IERC20 {
    function mint(address account, uint256 amount) external;

    function burnFrom(address account, uint256 amount) external;

    function pause() external;

    function unpause() external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

interface ILRTOracle {
    // errors
    error AssetOracleNotSupported();
    error RSETHPriceExceedsLimit();

    // events
    event AssetPriceOracleUpdate(address indexed asset, address indexed priceOracle);
    event RsETHPriceUpdate(uint256 newPrice);
    event PricePercentageLimitUpdate(uint256 newLimit);

    // methods
    function getAssetPrice(address asset) external view returns (uint256);
    function assetPriceOracle(address asset) external view returns (address);
    function rsETHPrice() external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IStrategy, IERC20 } from "contracts/external/eigenlayer/interfaces/IStrategy.sol";
import { IEigenDelegationManager } from "contracts/external/eigenlayer/interfaces/IEigenDelegationManager.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface INodeDelegator {
    // event
    event AssetDepositIntoStrategy(address indexed asset, address indexed strategy, uint256 depositAmount);
    event ETHDepositFromDepositPool(uint256 depositAmount);
    event EigenPodCreated(address indexed eigenPod, address indexed podOwner);
    event ETHStaked(bytes valPubKey, uint256 amount);
    event WithdrawalQueued(uint256 nonce, address withdrawer, bytes32[] withdrawalRoots);
    event EthTransferred(address to, uint256 amount);
    event EigenLayerWithdrawalCompleted(address indexed depositor, uint256 nonce, address indexed caller);
    event ETHRewardsReceived(uint256 amount);
    event ETHExtraStakeToReceiveIncremented(uint256 amount);
    event ExtraStakeReceived(uint256 amount);
    event ETHRewardsWithdrawInitiated(uint256 amount);
    event ElSharesDelegated(address indexed elOperator);
    event RestakingActivated();
    event ETHReceived(address indexed sender, uint256 amount);
    event Undelegated();

    // errors
    error TokenTransferFailed();
    error StrategyIsNotSetForAsset();
    error InvalidETHSender();
    error InvalidDepositRoot(bytes32 expectedDepositRoot, bytes32 actualDepositRoot);
    error StrategyMustNotBeBeaconChain();
    error InsufficientStakedButUnverifiedNativeETH();
    error InvalidWithdrawalData();

    // getter
    function stakedButUnverifiedNativeETH() external view returns (uint256);

    // write functions
    function depositAssetIntoStrategy(address asset) external;
    function maxApproveToEigenStrategyManager(address asset) external;
    function initiateUnstaking(
        IStrategy[] calldata strategies,
        uint256[] calldata shares
    )
        external
        returns (bytes32 withdrawalRoot);

    function completeUnstaking(
        IEigenDelegationManager.Withdrawal calldata withdrawal,
        IERC20[] calldata assets,
        uint256 middlewareTimesIndex
    )
        external;

    // view functions
    function getAssetBalances() external view returns (address[] memory, uint256[] memory);

    function getAssetBalance(address asset) external view returns (uint256);

    function getETHEigenPodBalance() external view returns (uint256);

    function transferBackToLRTDepositPool(address asset, uint256 amount) external;

    function sendETHFromDepositPoolToNDC() external payable;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

interface ILRTDepositPool {
    //errors
    error InvalidAmountToDeposit();
    error NotEnoughAssetToTransfer();
    error MaximumDepositLimitReached();
    error MaximumNodeDelegatorLimitReached();
    error InvalidMaximumNodeDelegatorLimit();
    error MinimumAmountToReceiveNotMet();
    error NodeDelegatorNotFound();
    error NodeDelegatorHasAssetBalance(address assetAddress, uint256 assetBalance);
    error NodeDelegatorHasETH();
    error EthTransferFailed();

    //events
    event MaxNodeDelegatorLimitUpdated(uint256 maxNodeDelegatorLimit);
    event NodeDelegatorAddedinQueue(address[] nodeDelegatorContracts);
    event NodeDelegatorRemovedFromQueue(address nodeDelegatorContracts);
    event AssetDeposit(
        address indexed depositor,
        address indexed asset,
        uint256 depositAmount,
        uint256 rsethMintAmount,
        string referralId
    );
    event ETHDeposit(address indexed depositor, uint256 depositAmount, uint256 rsethMintAmount, string referralId);
    event MinAmountToDepositUpdated(uint256 minAmountToDeposit);
    event MaxNegligibleAmountUpdated(uint256 maxNegligibleAmount);
    event ETHSwappedForLST(uint256 ethAmount, address indexed toAsset, uint256 returnAmount);
    event EthTransferred(address to, uint256 amount);

    // functions
    function depositAsset(
        address asset,
        uint256 depositAmount,
        uint256 minRSETHAmountExpected,
        string calldata referralId
    )
        external;

    function getSwapETHToAssetReturnAmount(
        address toAsset,
        uint256 ethAmountToSend
    )
        external
        view
        returns (uint256 returnAmount);

    function getTotalAssetDeposits(address asset) external view returns (uint256);

    function getAssetCurrentLimit(address asset) external view returns (uint256);

    function getRsETHAmountToMint(address asset, uint256 depositAmount) external view returns (uint256);

    function addNodeDelegatorContractToQueue(address[] calldata nodeDelegatorContract) external;

    function transferAssetToNodeDelegator(uint256 ndcIndex, address asset, uint256 amount) external;

    function updateMaxNodeDelegatorLimit(uint256 maxNodeDelegatorLimit) external;

    function getNodeDelegatorQueue() external view returns (address[] memory);

    function getAssetDistributionData(address asset)
        external
        view
        returns (
            uint256 assetLyingInDepositPool,
            uint256 assetLyingInNDCs,
            uint256 assetStakedInEigenLayer,
            uint256 assetUnstakingFromEigenLayer,
            uint256 assetLyingInConverter,
            uint256 assetLyingUnstakingVault
        );

    function getETHDistributionData()
        external
        view
        returns (
            uint256 ethLyingInDepositPool,
            uint256 ethLyingInNDCs,
            uint256 ethStakedInEigenLayer,
            uint256 ethUnstakingFromEigenLayer,
            uint256 ethLyingInConverter,
            uint256 ethLyingInUnstakingVault
        );

    function isNodeDelegator(address nodeDelegatorContract) external view returns (uint256);

    // receivers
    function receiveFromRewardReceiver() external payable;
    function receiveFromLRTConverter() external payable;
    function receiveFromNodeDelegator() external payable;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IStrategy } from "contracts/external/eigenlayer/interfaces/IStrategy.sol";
import { IEigenDelegationManager } from "contracts/external/eigenlayer/interfaces/IEigenDelegationManager.sol";

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface ILRTUnstakingVault {
    error CallerNotLRTNodeDelegator();
    error EthTransferFailed();
    error CallerNotLRTWithdrawalManager();

    event EthReceived(address sender, uint256 amount);

    // functions
    function sharesUnstaking(address asset) external view returns (uint256);

    function getAssetsUnstaking(address asset) external view returns (uint256);

    function balanceOf(address asset) external view returns (uint256);

    function addSharesUnstaking(address asset, uint256 amount) external;

    function reduceSharesUnstaking(address asset, uint256 amount) external;

    function redeem(address asset, uint256 amount) external;

    // receive functions
    function receiveFromLRTDepositPool() external payable;
    function receiveFromNodeDelegator() external payable;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IStrategy } from "contracts/external/eigenlayer/interfaces/IStrategy.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface ILRTWithdrawalManager {
    //errors
    error TokenTransferFailed();
    error EthTransferFailed();
    error InvalidAmountToWithdraw();
    error ExceedAmountToWithdraw();
    error WithdrawalLocked();
    error WithdrawalDelayNotPassed();
    error WithdrawalDelayTooSmall();
    error NoPendingWithdrawals();
    error AmountMustBeGreaterThanZero();
    error StrategyNotSupported();

    error RsETHPriceMustBeGreaterMinimum(uint256 rsEthPrice);
    error AssetPriceMustBeGreaterMinimum(uint256 assetPrice);

    struct WithdrawalRequest {
        uint256 rsETHUnstaked;
        uint256 expectedAssetAmount;
        uint256 withdrawalStartBlock;
    }

    //events
    event AssetWithdrawalQueued(
        address indexed withdrawer, address indexed asset, uint256 rsETHUnstaked, uint256 indexed userNonce
    );

    event AssetWithdrawalFinalized(
        address indexed withdrawer, address indexed asset, uint256 amountBurned, uint256 amountReceived
    );
    event EtherReceived(address indexed depositor, uint256 ethAmount, uint256 sharesAmount);

    event AssetUnlocked(
        address indexed asset, uint256 rsEthAmount, uint256 assetAmount, uint256 rsEThPrice, uint256 assetPrice
    );

    event MinAmountToWithdrawUpdated(address asset, uint256 minRsEthAmountToWithdraw);
    event WithdrawalDelayBlocksUpdated(uint256 withdrawalDelayBlocks);

    // methods

    function getExpectedAssetAmount(address asset, uint256 amount) external view returns (uint256);

    function getAvailableAssetAmount(address asset) external view returns (uint256 assetAmount);

    function getUserWithdrawalRequest(
        address asset,
        address user,
        uint256 index
    )
        external
        view
        returns (uint256 rsETHAmount, uint256 expectedAssetAmount, uint256 withdrawalStartBlock, uint256 userNonce);

    function initiateWithdrawal(address asset, uint256 withdrawAmount) external;

    function completeWithdrawal(address asset) external;

    function unlockQueue(
        address asset,
        uint256 index,
        uint256 minimumAssetPrice,
        uint256 minimumRsEthPrice
    )
        external
        returns (uint256 rsETHBurned, uint256 assetAmountUnlocked);

    // receive functions
    function receiveFromLRTUnstakingVault() external payable;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IEigenDelegationManager } from "contracts/external/eigenlayer/interfaces/IEigenDelegationManager.sol";

interface ILRTConverter {
    error NotEnoughAssetToTransfer();
    error TokenTransferFailed();
    error InvalidWithdrawer();
    error WithdrawalRootNotPending();
    error WithdrawalRootAlreadyProcess();
    error ConversionLimitReached();
    error WithdrawalRootNotProcessed();
    error MinimumExpectedReturnNotReached();

    event ConvertedEigenlayerAssetToRsEth(address indexed reciever, uint256 rsethAmount, bytes32 withdrawalRoot);
    event ETHSwappedForLST(uint256 ethAmount, address indexed toAsset, uint256 returnAmount);
    event EthTransferred(address to, uint256 amount);

    function ethValueInWithdrawal() external view returns (uint256);

    function transferAssetFromDepositPool(address _asset, uint256 _amount) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @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 amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` 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 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal onlyInitializing {
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal onlyInitializing {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuardUpgradeable is Initializable {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../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 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.encodeWithSelector(token.transfer.selector, 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.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 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);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @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.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @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.isContract(address(token));
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

interface ILRTConfig {
    // Errors
    error ValueAlreadyInUse();
    error AssetAlreadySupported();
    error AssetNotSupported();
    error CallerNotLRTConfigAdmin();
    error CallerNotLRTConfigManager();
    error CallerNotLRTConfigOperator();
    error CallerNotLRTConfigAllowedRole(string role);
    error CannotUpdateStrategyAsItHasFundsNDCFunds(address ndc, uint256 amount);
    error InvalidMaxRewardAmount();

    // Events
    event SetToken(bytes32 key, address indexed tokenAddr);
    event SetContract(bytes32 key, address indexed contractAddr);
    event AddedNewSupportedAsset(address indexed asset, uint256 depositLimit);
    event RemovedSupportedAsset(address indexed asset);
    event AssetDepositLimitUpdate(address indexed asset, uint256 depositLimit);
    event AssetStrategyUpdate(address indexed asset, address indexed strategy);
    event SetRSETH(address indexed rsETH);
    event UpdateMaxRewardAmount(uint256 maxRewardAmount);

    // methods

    function rsETH() external view returns (address);

    function assetStrategy(address asset) external view returns (address);

    function isSupportedAsset(address asset) external view returns (bool);

    function getLSTToken(bytes32 tokenId) external view returns (address);

    function getContract(bytes32 contractId) external view returns (address);

    function getSupportedAssetList() external view returns (address[] memory);

    function depositLimitByAsset(address asset) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.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 {
    // packed struct for queued withdrawals; helps deal with stack-too-deep errors
    struct WithdrawerAndNonce {
        address withdrawer;
        uint96 nonce;
    }

    struct QueuedWithdrawal {
        IStrategy[] strategies;
        uint256[] shares;
        address depositor;
        WithdrawerAndNonce withdrawerAndNonce;
        uint32 withdrawalStartBlock;
        address delegatedAddress;
    }

    /**
     * @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 `depositor`'s address
     * @param depositor 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 depositor, 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 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);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import "./IStrategy.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 IEigenDelegationManager {
    // @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);

    function pendingWithdrawals(bytes32 withdrawalRoot) external view returns (bool);

    /**
     * @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 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);

    // @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 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 Delegates from `staker` to `operator`.
     * @dev requires that:
     * 1) if `staker` is an EOA, then `signature` is valid ECDSA signature from `staker`, indicating their intention for
     * this action
     * 2) if `staker` is a contract, then `signature` must will be checked according to EIP-1271
     */
    function delegateToBySignature(address staker, address operator, uint256 expiry, bytes memory signature) external;

    /**
     * @notice Returns the number of actively-delegatable shares a staker has across all strategies.
     * @dev Returns two empty arrays in the case that the Staker has no actively-delegateable shares.
     */
    function getDelegatableShares(address staker) external view returns (IStrategy[] memory, uint256[] memory);

    /// @notice Returns 'true' if `staker` is *not* actively delegated, and 'false' otherwise.
    function isNotDelegated(address staker) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../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;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @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 Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 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 functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _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 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _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() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @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 {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @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.
 */
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].
     */
    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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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(errorMessage);
        }
    }
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "eth-gas-reporter/=node_modules/eth-gas-reporter/",
    "hardhat/=node_modules/hardhat/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "solidity-code-metrics/=node_modules/solidity-code-metrics/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AssetNotSupported","type":"error"},{"inputs":[],"name":"CallerNotLRTConfigAdmin","type":"error"},{"inputs":[],"name":"CallerNotLRTConfigManager","type":"error"},{"inputs":[],"name":"EthTransferFailed","type":"error"},{"inputs":[],"name":"InvalidAmountToDeposit","type":"error"},{"inputs":[],"name":"InvalidMaximumNodeDelegatorLimit","type":"error"},{"inputs":[],"name":"MaximumDepositLimitReached","type":"error"},{"inputs":[],"name":"MaximumNodeDelegatorLimitReached","type":"error"},{"inputs":[],"name":"MinimumAmountToReceiveNotMet","type":"error"},{"inputs":[{"internalType":"address","name":"assetAddress","type":"address"},{"internalType":"uint256","name":"assetBalance","type":"uint256"}],"name":"NodeDelegatorHasAssetBalance","type":"error"},{"inputs":[],"name":"NodeDelegatorHasETH","type":"error"},{"inputs":[],"name":"NodeDelegatorNotFound","type":"error"},{"inputs":[],"name":"NotEnoughAssetToTransfer","type":"error"},{"inputs":[],"name":"ValueAlreadyInUse","type":"error"},{"inputs":[],"name":"ZeroAddressNotAllowed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"uint256","name":"depositAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rsethMintAmount","type":"uint256"},{"indexed":false,"internalType":"string","name":"referralId","type":"string"}],"name":"AssetDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":false,"internalType":"uint256","name":"depositAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rsethMintAmount","type":"uint256"},{"indexed":false,"internalType":"string","name":"referralId","type":"string"}],"name":"ETHDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"ethAmount","type":"uint256"},{"indexed":true,"internalType":"address","name":"toAsset","type":"address"},{"indexed":false,"internalType":"uint256","name":"returnAmount","type":"uint256"}],"name":"ETHSwappedForLST","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EthTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxNegligibleAmount","type":"uint256"}],"name":"MaxNegligibleAmountUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxNodeDelegatorLimit","type":"uint256"}],"name":"MaxNodeDelegatorLimitUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"minAmountToDeposit","type":"uint256"}],"name":"MinAmountToDepositUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"nodeDelegatorContracts","type":"address[]"}],"name":"NodeDelegatorAddedinQueue","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"nodeDelegatorContracts","type":"address"}],"name":"NodeDelegatorRemovedFromQueue","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"lrtConfig","type":"address"}],"name":"UpdatedLRTConfig","type":"event"},{"inputs":[{"internalType":"address[]","name":"nodeDelegatorContracts","type":"address[]"}],"name":"addNodeDelegatorContractToQueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"depositAmount","type":"uint256"},{"internalType":"uint256","name":"minRSETHAmountExpected","type":"uint256"},{"internalType":"string","name":"referralId","type":"string"}],"name":"depositAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"minRSETHAmountExpected","type":"uint256"},{"internalType":"string","name":"referralId","type":"string"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"getAssetCurrentLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"getAssetDistributionData","outputs":[{"internalType":"uint256","name":"assetLyingInDepositPool","type":"uint256"},{"internalType":"uint256","name":"assetLyingInNDCs","type":"uint256"},{"internalType":"uint256","name":"assetStakedInEigenLayer","type":"uint256"},{"internalType":"uint256","name":"assetUnstakingFromEigenLayer","type":"uint256"},{"internalType":"uint256","name":"assetLyingInConverter","type":"uint256"},{"internalType":"uint256","name":"assetLyingUnstakingVault","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getETHDistributionData","outputs":[{"internalType":"uint256","name":"ethLyingInDepositPool","type":"uint256"},{"internalType":"uint256","name":"ethLyingInNDCs","type":"uint256"},{"internalType":"uint256","name":"ethStakedInEigenLayer","type":"uint256"},{"internalType":"uint256","name":"ethUnstakingFromEigenLayer","type":"uint256"},{"internalType":"uint256","name":"ethLyingInConverter","type":"uint256"},{"internalType":"uint256","name":"ethLyingInUnstakingVault","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNodeDelegatorQueue","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"getRsETHAmountToMint","outputs":[{"internalType":"uint256","name":"rsethAmountToMint","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"toAsset","type":"address"},{"internalType":"uint256","name":"ethAmountToSend","type":"uint256"}],"name":"getSwapETHToAssetReturnAmount","outputs":[{"internalType":"uint256","name":"returnAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"getTotalAssetDeposits","outputs":[{"internalType":"uint256","name":"totalAssetDeposit","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"lrtConfigAddr","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isNodeDelegator","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lrtConfig","outputs":[{"internalType":"contract ILRTConfig","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"maxApproveToLRTConverter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxNegligibleAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxNodeDelegatorLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minAmountToDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"nodeDelegatorQueue","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"receiveFromLRTConverter","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"receiveFromNodeDelegator","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"receiveFromRewardReceiver","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address[]","name":"nodeDelegatorContracts","type":"address[]"}],"name":"removeManyNodeDelegatorContractsFromQueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nodeDelegatorAddress","type":"address"}],"name":"removeNodeDelegatorContractFromQueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxNegligibleAmount_","type":"uint256"}],"name":"setMaxNegligibleAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"minAmountToDeposit_","type":"uint256"}],"name":"setMinAmountToDeposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"toAsset","type":"address"},{"internalType":"uint256","name":"minToAssetAmount","type":"uint256"}],"name":"swapETHForAssetWithinDepositPool","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferAssetToLRTUnstakingVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"ndcIndex","type":"uint256"},{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferAssetToNodeDelegator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferETHToLRTUnstakingVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"ndcIndex","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferETHToNodeDelegator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lrtConfigAddr","type":"address"}],"name":"updateLRTConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxNodeDelegatorLimit_","type":"uint256"}],"name":"updateMaxNodeDelegatorLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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