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// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./Base.sol";
import "../interfaces/IConnector.sol";
import "lib/solmate/src/tokens/ERC20.sol";

/**
 * @title SuperToken
 * @notice A contract which enables bridging a token to its sibling chains.
 * @dev This contract implements ISuperTokenOrVault to support message bridging through IMessageBridge compliant contracts.
 */
contract Vault is Base {
    using SafeTransferLib for ERC20;

    // /**
    //  * @notice constructor for creating a new SuperTokenVault.
    //  * @param token_ token contract address which is to be bridged.
    //  */

    constructor(address token_) Base(token_) {
        bridgeType = token_ == ETH_ADDRESS ? NATIVE_VAULT : ERC20_VAULT;
    }

    /**
     * @notice Bridges tokens between chains.
     * @dev This function allows bridging tokens between different chains.
     * @param receiver_ The address to receive the bridged tokens.
     * @param amount_ The amount of tokens to bridge.
     * @param msgGasLimit_ The gas limit for the execution of the bridging process.
     * @param connector_ The address of the connector contract responsible for the bridge.
     * @param execPayload_ The payload for executing the bridging process on the connector.
     * @param options_ Additional options for the bridging process.
     */
    function bridge(
        address receiver_,
        uint256 amount_,
        uint256 msgGasLimit_,
        address connector_,
        bytes calldata execPayload_,
        bytes calldata options_
    ) external payable nonReentrant {
        (
            TransferInfo memory transferInfo,
            bytes memory postHookData
        ) = _beforeBridge(
                connector_,
                TransferInfo(receiver_, amount_, execPayload_)
            );

        _receiveTokens(transferInfo.amount);

        _afterBridge(
            msgGasLimit_,
            connector_,
            options_,
            postHookData,
            transferInfo
        );
    }

    /**
     * @notice Receives inbound tokens from another chain.
     * @dev This function is used to receive tokens from another chain.
     * @param siblingChainSlug_ The identifier of the sibling chain.
     * @param payload_ The payload containing the inbound tokens.
     */
    function receiveInbound(
        uint32 siblingChainSlug_,
        bytes memory payload_
    ) external payable override nonReentrant {
        (
            address receiver,
            uint256 unlockAmount,
            bytes32 messageId,
            bytes memory extraData
        ) = abi.decode(payload_, (address, uint256, bytes32, bytes));

        TransferInfo memory transferInfo = TransferInfo(
            receiver,
            unlockAmount,
            extraData
        );

        bytes memory postHookData;
        (postHookData, transferInfo) = _beforeMint(
            siblingChainSlug_,
            transferInfo
        );

        _transferTokens(transferInfo.receiver, transferInfo.amount);

        _afterMint(unlockAmount, messageId, postHookData, transferInfo);
    }

    /**
     * @notice Retry a failed transaction.
     * @dev This function allows retrying a failed transaction sent through a connector.
     * @param connector_ The address of the connector contract responsible for the failed transaction.
     * @param messageId_ The unique identifier of the failed transaction.
     */
    function retry(
        address connector_,
        bytes32 messageId_
    ) external nonReentrant {
        (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        ) = _beforeRetry(connector_, messageId_);
        _transferTokens(transferInfo.receiver, transferInfo.amount);

        _afterRetry(connector_, messageId_, postRetryHookData);
    }

    function _transferTokens(address receiver_, uint256 amount_) internal {
        if (amount_ == 0) return;
        if (address(token) == ETH_ADDRESS) {
            SafeTransferLib.safeTransferETH(receiver_, amount_);
        } else {
            ERC20(token).safeTransfer(receiver_, amount_);
        }
    }

    function _receiveTokens(uint256 amount_) internal {
        if (amount_ == 0 || address(token) == ETH_ADDRESS) return;
        ERC20(token).safeTransferFrom(msg.sender, address(this), amount_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {IMintableERC20} from "../interfaces/IMintableERC20.sol";
import {IConnector} from "../interfaces/IConnector.sol";
import "lib/solmate/src/utils/SafeTransferLib.sol";
import "../interfaces/IHook.sol";
import "../common/Errors.sol";
import "lib/solmate/src/utils/ReentrancyGuard.sol";
import "../interfaces/IBridge.sol";
import "../utils/RescueBase.sol";
import "../common/Constants.sol";

abstract contract Base is ReentrancyGuard, IBridge, RescueBase {
    address public immutable token;
    bytes32 public bridgeType;
    IHook public hook__;
    // message identifier => cache
    mapping(bytes32 => bytes) public identifierCache;

    // connector => cache
    mapping(address => bytes) public connectorCache;

    mapping(address => bool) public validConnectors;

    event ConnectorStatusUpdated(address connector, bool status);

    event HookUpdated(address newHook);

    event BridgingTokens(
        address connector,
        address sender,
        address receiver,
        uint256 amount,
        bytes32 messageId
    );
    event TokensBridged(
        address connecter,
        address receiver,
        uint256 amount,
        bytes32 messageId
    );

    constructor(address token_) AccessControl(msg.sender) {
        if (token_ != ETH_ADDRESS && token_.code.length == 0)
            revert InvalidTokenContract();
        token = token_;
        _grantRole(RESCUE_ROLE, msg.sender);
    }

    /**
     * @notice this function is used to update hook
     * @dev it can only be updated by owner
     * @dev should be carefully migrated as it can risk user funds
     * @param hook_ new hook address
     */
    function updateHook(
        address hook_,
        bool approve_
    ) external virtual onlyOwner {
        // remove the approval from the old hook
        if (token != ETH_ADDRESS) {
            if (ERC20(token).allowance(address(this), address(hook__)) > 0) {
                SafeTransferLib.safeApprove(ERC20(token), address(hook__), 0);
            }
            if (approve_) {
                SafeTransferLib.safeApprove(
                    ERC20(token),
                    hook_,
                    type(uint256).max
                );
            }
        }
        hook__ = IHook(hook_);

        emit HookUpdated(hook_);
    }

    function updateConnectorStatus(
        address[] calldata connectors,
        bool[] calldata statuses
    ) external onlyOwner {
        uint256 length = connectors.length;
        for (uint256 i; i < length; i++) {
            validConnectors[connectors[i]] = statuses[i];
            emit ConnectorStatusUpdated(connectors[i], statuses[i]);
        }
    }

    /**
     * @notice Executes pre-bridge operations before initiating a token bridge transfer.
     * @dev This internal function is called before initiating a token bridge transfer.
     * It validates the receiver address and the connector, and if a pre-hook contract is defined,
     * it executes the source pre-hook call.
     * @param connector_ The address of the connector responsible for the transfer.
     * @param transferInfo_ Information about the transfer.
     * @return transferInfo Information about the transfer after pre-bridge operations.
     * @return postHookData Data returned from the pre-hook call.
     * @dev Reverts with `ZeroAddressReceiver` if the receiver address is zero.
     * Reverts with `InvalidConnector` if the connector address is not valid.
     */
    function _beforeBridge(
        address connector_,
        TransferInfo memory transferInfo_
    )
        internal
        returns (TransferInfo memory transferInfo, bytes memory postHookData)
    {
        if (transferInfo_.receiver == address(0)) revert ZeroAddressReceiver();
        if (!validConnectors[connector_]) revert InvalidConnector();
        if (token == ETH_ADDRESS && msg.value < transferInfo_.amount)
            revert InsufficientMsgValue();

        if (address(hook__) != address(0)) {
            (transferInfo, postHookData) = hook__.srcPreHookCall(
                SrcPreHookCallParams(connector_, msg.sender, transferInfo_)
            );
        }
    }

    /**
     * @notice Executes post-bridge operations after completing a token bridge transfer.
     * @dev This internal function is called after completing a token bridge transfer.
     * It executes the source post-hook call if a hook contract is defined, calculates fees,
     * calls the outbound function of the connector, and emits an event for tokens withdrawn.
     * @param msgGasLimit_ The gas limit for the outbound call.
     * @param connector_ The address of the connector responsible for the transfer.
     * @param options_ Additional options for the outbound call.
     * @param postSrcHookData_ Data returned from the source post-hook call.
     * @param transferInfo_ Information about the transfer.
     * @dev Reverts with `MessageIdMisMatched` if the returned message ID does not match the expected message ID.
     */
    function _afterBridge(
        uint256 msgGasLimit_,
        address connector_,
        bytes memory options_,
        bytes memory postSrcHookData_,
        TransferInfo memory transferInfo_
    ) internal {
        TransferInfo memory transferInfo = transferInfo_;
        if (address(hook__) != address(0)) {
            transferInfo = hook__.srcPostHookCall(
                SrcPostHookCallParams(
                    connector_,
                    options_,
                    postSrcHookData_,
                    transferInfo_
                )
            );
        }

        uint256 fees = token == ETH_ADDRESS
            ? msg.value - transferInfo.amount
            : msg.value;

        bytes32 messageId = IConnector(connector_).getMessageId();
        bytes32 returnedMessageId = IConnector(connector_).outbound{
            value: fees
        }(
            msgGasLimit_,
            abi.encode(
                transferInfo.receiver,
                transferInfo.amount,
                messageId,
                transferInfo.data
            ),
            options_
        );
        if (returnedMessageId != messageId) revert MessageIdMisMatched();

        emit BridgingTokens(
            connector_,
            msg.sender,
            transferInfo.receiver,
            transferInfo.amount,
            messageId
        );
    }

    /**
     * @notice Executes pre-mint operations before minting tokens.
     * @dev This internal function is called before minting tokens.
     * It validates the caller as a valid connector, checks if the receiver is not this contract, the bridge contract,
     * or the token contract, and executes the destination pre-hook call if a hook contract is defined.
     * @param transferInfo_ Information about the transfer.
     * @return postHookData Data returned from the destination pre-hook call.
     * @return transferInfo Information about the transfer after pre-mint operations.
     * @dev Reverts with `InvalidConnector` if the caller is not a valid connector.
     * Reverts with `CannotTransferOrExecuteOnBridgeContracts` if the receiver is this contract, the bridge contract,
     * or the token contract.
     */
    function _beforeMint(
        uint32,
        TransferInfo memory transferInfo_
    )
        internal
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        if (!validConnectors[msg.sender]) revert InvalidConnector();

        // no need of source check here, as if invalid caller, will revert with InvalidPoolId
        if (
            transferInfo_.receiver == address(this) ||
            // transferInfo_.receiver == address(bridge__) ||
            transferInfo_.receiver == token
        ) revert CannotTransferOrExecuteOnBridgeContracts();

        if (address(hook__) != address(0)) {
            (postHookData, transferInfo) = hook__.dstPreHookCall(
                DstPreHookCallParams(
                    msg.sender,
                    connectorCache[msg.sender],
                    transferInfo_
                )
            );
        }
    }

    /**
     * @notice Executes post-mint operations after minting tokens.
     * @dev This internal function is called after minting tokens.
     * It executes the destination post-hook call if a hook contract is defined and updates cache data.
     * @param messageId_ The unique identifier for the mint transaction.
     * @param postHookData_ Data returned from the destination pre-hook call.
     * @param transferInfo_ Information about the mint transaction.
     */
    function _afterMint(
        uint256,
        bytes32 messageId_,
        bytes memory postHookData_,
        TransferInfo memory transferInfo_
    ) internal {
        if (address(hook__) != address(0)) {
            CacheData memory cacheData = hook__.dstPostHookCall(
                DstPostHookCallParams(
                    msg.sender,
                    messageId_,
                    connectorCache[msg.sender],
                    postHookData_,
                    transferInfo_
                )
            );

            identifierCache[messageId_] = cacheData.identifierCache;
            connectorCache[msg.sender] = cacheData.connectorCache;
        }

        emit TokensBridged(
            msg.sender,
            transferInfo_.receiver,
            transferInfo_.amount,
            messageId_
        );
    }

    /**
     * @notice Executes pre-retry operations before retrying a failed transaction.
     * @dev This internal function is called before retrying a failed transaction.
     * It validates the connector, retrieves cache data for the given message ID,
     * and executes the pre-retry hook if defined.
     * @param connector_ The address of the connector responsible for the failed transaction.
     * @param messageId_ The unique identifier for the failed transaction.
     * @return postRetryHookData Data returned from the pre-retry hook call.
     * @return transferInfo Information about the transfer.
     * @dev Reverts with `InvalidConnector` if the connector is not valid.
     * Reverts with `NoPendingData` if there is no pending data for the given message ID.
     */
    function _beforeRetry(
        address connector_,
        bytes32 messageId_
    )
        internal
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        if (!validConnectors[connector_]) revert InvalidConnector();

        CacheData memory cacheData = CacheData(
            identifierCache[messageId_],
            connectorCache[connector_]
        );

        if (cacheData.identifierCache.length == 0) revert NoPendingData();
        (postRetryHookData, transferInfo) = hook__.preRetryHook(
            PreRetryHookCallParams(connector_, cacheData)
        );
    }

    /**
     * @notice Executes post-retry operations after retrying a failed transaction.
     * @dev This internal function is called after retrying a failed transaction.
     * It retrieves cache data for the given message ID, executes the post-retry hook if defined,
     * and updates cache data.
     * @param connector_ The address of the connector responsible for the failed transaction.
     * @param messageId_ The unique identifier for the failed transaction.
     * @param postRetryHookData Data returned from the pre-retry hook call.
     */
    function _afterRetry(
        address connector_,
        bytes32 messageId_,
        bytes memory postRetryHookData
    ) internal {
        CacheData memory cacheData = CacheData(
            identifierCache[messageId_],
            connectorCache[connector_]
        );

        (cacheData) = hook__.postRetryHook(
            PostRetryHookCallParams(
                connector_,
                messageId_,
                postRetryHookData,
                cacheData
            )
        );
        identifierCache[messageId_] = cacheData.identifierCache;
        connectorCache[connector_] = cacheData.connectorCache;
    }

    /**
     * @notice Retrieves the minimum fees required for a transaction from a connector.
     * @dev This function returns the minimum fees required for a transaction from the specified connector,
     * based on the provided message gas limit and payload size.
     * @param connector_ The address of the connector.
     * @param msgGasLimit_ The gas limit for the transaction.
     * @param payloadSize_ The size of the payload for the transaction.
     * @return totalFees The total minimum fees required for the transaction.
     */
    function getMinFees(
        address connector_,
        uint256 msgGasLimit_,
        uint256 payloadSize_
    ) external view returns (uint256 totalFees) {
        return IConnector(connector_).getMinFees(msgGasLimit_, payloadSize_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./Base.sol";

contract Controller is Base {
    uint256 public totalMinted;

    constructor(address token_) Base(token_) {
        bridgeType = NORMAL_CONTROLLER;
    }

    /**
     * @notice Bridges tokens between chains.
     * @dev This function allows bridging tokens between different chains.
     * @param receiver_ The address to receive the bridged tokens.
     * @param amount_ The amount of tokens to bridge.
     * @param msgGasLimit_ The gas limit for the execution of the bridging process.
     * @param connector_ The address of the connector contract responsible for the bridge.
     * @param execPayload_ The payload for executing the bridging process on the connector.
     * @param options_ Additional options for the bridging process.
     */
    function bridge(
        address receiver_,
        uint256 amount_,
        uint256 msgGasLimit_,
        address connector_,
        bytes calldata execPayload_,
        bytes calldata options_
    ) external payable nonReentrant {
        (
            TransferInfo memory transferInfo,
            bytes memory postHookData
        ) = _beforeBridge(
                connector_,
                TransferInfo(receiver_, amount_, execPayload_)
            );

        // to maintain socket dl specific accounting for super token
        // re check this logic for mint and mint use cases and if other minter involved
        totalMinted -= transferInfo.amount;
        _burn(msg.sender, transferInfo.amount);
        _afterBridge(
            msgGasLimit_,
            connector_,
            options_,
            postHookData,
            transferInfo
        );
    }

    /**
     * @notice Receives inbound tokens from another chain.
     * @dev This function is used to receive tokens from another chain.
     * @param siblingChainSlug_ The identifier of the sibling chain.
     * @param payload_ The payload containing the inbound tokens.
     */
    function receiveInbound(
        uint32 siblingChainSlug_,
        bytes memory payload_
    ) external payable override nonReentrant {
        (
            address receiver,
            uint256 lockAmount,
            bytes32 messageId,
            bytes memory extraData
        ) = abi.decode(payload_, (address, uint256, bytes32, bytes));

        // convert to shares
        TransferInfo memory transferInfo = TransferInfo(
            receiver,
            lockAmount,
            extraData
        );
        bytes memory postHookData;
        (postHookData, transferInfo) = _beforeMint(
            siblingChainSlug_,
            transferInfo
        );

        _mint(transferInfo.receiver, transferInfo.amount);
        totalMinted += transferInfo.amount;

        _afterMint(lockAmount, messageId, postHookData, transferInfo);
    }

    /**
     * @notice Retry a failed transaction.
     * @dev This function allows retrying a failed transaction sent through a connector.
     * @param connector_ The address of the connector contract responsible for the failed transaction.
     * @param messageId_ The unique identifier of the failed transaction.
     */
    function retry(
        address connector_,
        bytes32 messageId_
    ) external nonReentrant {
        (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        ) = _beforeRetry(connector_, messageId_);
        _mint(transferInfo.receiver, transferInfo.amount);
        totalMinted += transferInfo.amount;

        _afterRetry(connector_, messageId_, postRetryHookData);
    }

    function _burn(address user_, uint256 burnAmount_) internal virtual {
        IMintableERC20(token).burn(user_, burnAmount_);
    }

    function _mint(address user_, uint256 mintAmount_) internal virtual {
        if (mintAmount_ == 0) return;
        IMintableERC20(token).mint(user_, mintAmount_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {IFiatTokenV2_1_Mintable} from "./IFiatTokenV2_1_Mintable.sol";
import "../Controller.sol";

contract FiatTokenV2_1_Controller is Controller {
    using SafeTransferLib for ERC20;

    constructor(address token_) Controller(token_) {
        bridgeType = FIAT_TOKEN_CONTROLLER;
    }

    function _burn(address user_, uint256 burnAmount_) internal override {
        ERC20(token).safeTransferFrom(user_, address(this), burnAmount_);
        IFiatTokenV2_1_Mintable(address(token)).burn(burnAmount_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "lib/solmate/src/tokens/ERC20.sol";

// USDC's standard token
abstract contract IFiatTokenV2_1_Mintable is ERC20 {
    function mint(address receiver_, uint256 amount_) external virtual;

    function burn(uint256 _amount) external virtual;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

address constant ETH_ADDRESS = address(
    0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE
);

bytes32 constant NORMAL_CONTROLLER = keccak256("NORMAL_CONTROLLER");
bytes32 constant FIAT_TOKEN_CONTROLLER = keccak256("FIAT_TOKEN_CONTROLLER");

bytes32 constant LIMIT_HOOK = keccak256("LIMIT_HOOK");
bytes32 constant LIMIT_EXECUTION_HOOK = keccak256("LIMIT_EXECUTION_HOOK");
bytes32 constant LIMIT_EXECUTION_YIELD_HOOK = keccak256(
    "LIMIT_EXECUTION_YIELD_HOOK"
);
bytes32 constant LIMIT_EXECUTION_YIELD_TOKEN_HOOK = keccak256(
    "LIMIT_EXECUTION_YIELD_TOKEN_HOOK"
);

bytes32 constant ERC20_VAULT = keccak256("ERC20_VAULT");
bytes32 constant NATIVE_VAULT = keccak256("NATIVE_VAULT");

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

error SiblingNotSupported();
error NotAuthorized();
error NotBridge();
error NotSocket();
error ConnectorUnavailable();
error InvalidPoolId();
error CannotTransferOrExecuteOnBridgeContracts();
error NoPendingData();
error MessageIdMisMatched();
error NotMessageBridge();
error InvalidSiblingChainSlug();
error InvalidTokenContract();
error InvalidExchangeRateContract();
error InvalidConnector();
error InvalidConnectorPoolId();
error ZeroAddressReceiver();
error ZeroAddress();
error ZeroAmount();
error DebtRatioTooHigh();
error NotEnoughAssets();
error VaultShutdown();
error InsufficientFunds();
error PermitDeadlineExpired();
error InvalidSigner();
error InsufficientMsgValue();

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

struct UpdateLimitParams {
    bool isMint;
    address connector;
    uint256 maxLimit;
    uint256 ratePerSecond;
}

struct SrcPreHookCallParams {
    address connector;
    address msgSender;
    TransferInfo transferInfo;
}

struct SrcPostHookCallParams {
    address connector;
    bytes options;
    bytes postSrcHookData;
    TransferInfo transferInfo;
}

struct DstPreHookCallParams {
    address connector;
    bytes connectorCache;
    TransferInfo transferInfo;
}

struct DstPostHookCallParams {
    address connector;
    bytes32 messageId;
    bytes connectorCache;
    bytes postHookData;
    TransferInfo transferInfo;
}

struct PreRetryHookCallParams {
    address connector;
    CacheData cacheData;
}

struct PostRetryHookCallParams {
    address connector;
    bytes32 messageId;
    bytes postRetryHookData;
    CacheData cacheData;
}

struct TransferInfo {
    address receiver;
    uint256 amount;
    bytes data;
}

struct CacheData {
    bytes identifierCache;
    bytes connectorCache;
}

struct LimitParams {
    uint256 lastUpdateTimestamp;
    uint256 ratePerSecond;
    uint256 maxLimit;
    uint256 lastUpdateLimit;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./utils/RescueBase.sol";
import {ISocket} from "./interfaces/ISocket.sol";
import {IPlug} from "./interfaces/IPlug.sol";
import {IConnector} from "./interfaces/IConnector.sol";
import {IBridge} from "./interfaces/IBridge.sol";
import "./common/Errors.sol";

contract ConnectorPlug is IConnector, IPlug, RescueBase {
    IBridge public immutable bridge__;
    ISocket public immutable socket__;
    uint32 public immutable siblingChainSlug;
    uint256 public messageIdPart;

    event ConnectorPlugDisconnected();

    constructor(
        address bridge_,
        address socket_,
        uint32 siblingChainSlug_
    ) AccessControl(msg.sender) {
        bridge__ = IBridge(bridge_);
        socket__ = ISocket(socket_);
        siblingChainSlug = siblingChainSlug_;
        _grantRole(RESCUE_ROLE, msg.sender);
    }

    function outbound(
        uint256 msgGasLimit_,
        bytes memory payload_,
        bytes memory
    ) external payable override returns (bytes32 messageId_) {
        if (msg.sender != address(bridge__)) revert NotBridge();

        return
            socket__.outbound{value: msg.value}(
                siblingChainSlug,
                msgGasLimit_,
                bytes32(0),
                bytes32(0),
                payload_
            );
    }

    function inbound(
        uint32 siblingChainSlug_, // cannot be connected for any other slug, immutable variable
        bytes calldata payload_
    ) external payable override {
        if (msg.sender != address(socket__)) revert NotSocket();
        bridge__.receiveInbound(siblingChainSlug_, payload_);
    }

    /**
     * @notice this function calculates the fees needed to send the message to Socket.
     * @param msgGasLimit_ min gas limit needed at destination chain to execute the message.
     */
    function getMinFees(
        uint256 msgGasLimit_,
        uint256 payloadSize_
    ) external view returns (uint256 totalFees) {
        return
            socket__.getMinFees(
                msgGasLimit_,
                payloadSize_,
                bytes32(0),
                bytes32(0),
                siblingChainSlug,
                address(this)
            );
    }

    function connect(
        address siblingPlug_,
        address switchboard_
    ) external onlyOwner {
        messageIdPart =
            (uint256(socket__.chainSlug()) << 224) |
            (uint256(uint160(siblingPlug_)) << 64);

        socket__.connect(
            siblingChainSlug,
            siblingPlug_,
            switchboard_,
            switchboard_
        );
    }

    function disconnect() external onlyOwner {
        messageIdPart = 0;

        (
            ,
            address inboundSwitchboard,
            address outboundSwitchboard,
            ,

        ) = socket__.getPlugConfig(address(this), siblingChainSlug);

        socket__.connect(
            siblingChainSlug,
            address(0),
            inboundSwitchboard,
            outboundSwitchboard
        );

        emit ConnectorPlugDisconnected();
    }

    /**
     * @notice this function is used to calculate message id before sending outbound().
     * @return messageId
     */
    function getMessageId() external view returns (bytes32) {
        return bytes32(messageIdPart | (socket__.globalMessageCount()));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "lib/openzeppelin-contracts/contracts/utils/math/Math.sol";
import {FixedPointMathLib} from "lib/solmate/src/utils/FixedPointMathLib.sol";
import {IStrategy} from "../interfaces/IStrategy.sol";
import {IMintableERC20} from "../interfaces/IMintableERC20.sol";
import "lib/solmate/src/utils/SafeTransferLib.sol";
import {IConnector} from "../ConnectorPlug.sol";
import "./LimitExecutionHook.sol";

interface IYieldToken {
    function updateTotalUnderlyingAssets(uint256 amount_) external;

    function calculateMintAmount(uint256 amount_) external returns (uint256);

    function convertToShares(
        uint256 underlyingAssets
    ) external view returns (uint256);

    function transfer(address to_, uint256 amount_) external returns (bool);

    function convertToAssets(uint256 shares) external view returns (uint256);
}

// limits on underlying or visible tokens
contract Controller_YieldLimitExecHook is LimitExecutionHook {
    using SafeTransferLib for IMintableERC20;
    using FixedPointMathLib for uint256;

    uint256 private constant MAX_BPS = 10_000;
    IYieldToken public immutable yieldToken__;

    // total yield
    uint256 public totalUnderlyingAssets;

    // if true, no funds can be invested in the strategy
    bool public emergencyShutdown;

    event ShutdownStateUpdated(bool shutdownState);

    modifier notShutdown() {
        if (emergencyShutdown) revert VaultShutdown();
        _;
    }

    constructor(
        address underlyingAsset_,
        address controller_,
        address executionHelper_
    ) LimitExecutionHook(msg.sender, controller_, executionHelper_, true) {
        yieldToken__ = IYieldToken(underlyingAsset_);
        hookType = LIMIT_EXECUTION_YIELD_TOKEN_HOOK;
        _grantRole(LIMIT_UPDATER_ROLE, msg.sender);
    }

    // assumed transfer info inputs are validated at controller
    // transfer info data is untrusted
    function srcPreHookCall(
        SrcPreHookCallParams calldata params_
    )
        public
        override
        notShutdown
        returns (TransferInfo memory transferInfo, bytes memory postSrcHookData)
    {
        super.srcPreHookCall(params_);
        uint256 amount = params_.transferInfo.amount;
        postSrcHookData = abi.encode(amount);

        totalUnderlyingAssets -= amount;
        transferInfo = params_.transferInfo;
        transferInfo.amount = yieldToken__.convertToShares(amount);
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory srcPostHookCallParams_
    )
        public
        override
        isVaultOrController
        returns (TransferInfo memory transferInfo)
    {
        yieldToken__.updateTotalUnderlyingAssets(totalUnderlyingAssets);

        transferInfo.receiver = srcPostHookCallParams_.transferInfo.receiver;
        transferInfo.data = abi.encode(
            srcPostHookCallParams_.options,
            srcPostHookCallParams_.transferInfo.data
        );
        transferInfo.amount = abi.decode(
            srcPostHookCallParams_.postSrcHookData,
            (uint256)
        );
    }

    /**
     * @notice This function is called before the execution of a destination hook.
     * @dev It checks if the sibling chain is supported, consumes a part of the limit, and prepares post-hook data.
     */
    function dstPreHookCall(
        DstPreHookCallParams calldata params_
    )
        public
        override
        notShutdown
        isVaultOrController
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        (uint256 increasedUnderlying, bytes memory payload) = abi.decode(
            params_.transferInfo.data,
            (uint256, bytes)
        );

        _poolDstHook(params_.connector, increasedUnderlying);
        totalUnderlyingAssets += increasedUnderlying;
        yieldToken__.updateTotalUnderlyingAssets(totalUnderlyingAssets);

        yieldToken__.updateTotalUnderlyingAssets(totalUnderlyingAssets);

        if (params_.transferInfo.amount == 0)
            return (abi.encode(0, 0, 0, address(0)), transferInfo);

        (uint256 consumedUnderlying, uint256 pendingUnderlying) = _limitDstHook(
            params_.connector,
            params_.transferInfo.amount
        );
        uint256 sharesToMint = yieldToken__.calculateMintAmount(
            params_.transferInfo.amount
        );

        postHookData = abi.encode(
            consumedUnderlying,
            pendingUnderlying,
            params_.transferInfo.amount,
            params_.transferInfo.receiver
        );

        transferInfo = params_.transferInfo;
        if (pendingUnderlying != 0) transferInfo.receiver = address(this);
        transferInfo.amount = sharesToMint;
        transferInfo.data = payload;
    }

    /**
     * @notice Handles post-hook logic after the execution of a destination hook.
     * @dev This function processes post-hook data to update the identifier cache and sibling chain cache.
     */
    function dstPostHookCall(
        DstPostHookCallParams calldata params_
    )
        public
        override
        isVaultOrController
        notShutdown
        returns (CacheData memory cacheData)
    {
        (
            uint256 consumedUnderlying,
            uint256 pendingUnderlying,
            uint256 depositUnderlying,
            address receiver
        ) = abi.decode(
                params_.postHookData,
                (uint256, uint256, uint256, address)
            );
        bytes memory execPayload = params_.transferInfo.data;

        uint256 connectorPendingShares = _getConnectorPendingAmount(
            params_.connectorCache
        );

        uint256 pendingShares;
        if (pendingUnderlying > 0) {
            // totalShares * consumedU / totalU
            uint256 consumedShares = (params_.transferInfo.amount *
                pendingUnderlying) / depositUnderlying;

            pendingShares = params_.transferInfo.amount - consumedShares;

            cacheData.identifierCache = abi.encode(
                params_.transferInfo.receiver,
                pendingShares,
                params_.connector,
                execPayload
            );
            yieldToken__.transfer(receiver, consumedUnderlying);

            emit TokensPending(
                params_.connector,
                params_.transferInfo.receiver,
                consumedShares,
                pendingShares,
                params_.messageId
            );
        } else {
            if (execPayload.length > 0) {
                // execute
                bool success = executionHelper__.execute(
                    params_.transferInfo.receiver,
                    execPayload,
                    params_.messageId,
                    depositUnderlying
                );

                if (success) {
                    emit MessageExecuted(
                        params_.messageId,
                        params_.transferInfo.receiver
                    );
                    cacheData.identifierCache = new bytes(0);
                } else
                    cacheData.identifierCache = abi.encode(
                        params_.transferInfo.receiver,
                        0,
                        params_.connector,
                        execPayload
                    );
            } else cacheData.identifierCache = new bytes(0);
        }

        cacheData.connectorCache = abi.encode(
            connectorPendingShares + pendingShares
        );
    }

    // /**
    //  * @notice Handles pre-retry hook logic before execution.
    //  * @dev This function can be used to mint funds which were in a pending state due to limits.
    //  * @param siblingChainSlug_ The unique identifier of the sibling chain.
    //  * @param identifierCache_ Identifier cache containing pending mint information.
    //  * @param connectorCache_ Sibling chain cache containing pending amount information.
    //  * @return updatedReceiver The updated receiver of the funds.
    //  * @return consumedUnderlying The amount consumed from the limit.
    //  * @return postRetryHookData The post-hook data to be processed after the retry hook execution.
    //  */
    function preRetryHook(
        PreRetryHookCallParams calldata params_
    )
        public
        override
        isVaultOrController
        notShutdown
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        (
            address receiver,
            uint256 totalPendingShares,
            address connector,

        ) = abi.decode(
                params_.cacheData.identifierCache,
                (address, uint256, address, bytes)
            );

        if (connector != params_.connector) revert InvalidConnector();

        (uint256 consumedShares, uint256 pendingShares) = _limitDstHook(
            params_.connector,
            totalPendingShares
        );

        postRetryHookData = abi.encode(receiver, consumedShares, pendingShares);
        uint256 consumedUnderlying = yieldToken__.convertToAssets(
            consumedShares
        );
        yieldToken__.transfer(receiver, consumedUnderlying);

        transferInfo = TransferInfo(transferInfo.receiver, 0, bytes(""));
    }

    // /**
    //  * @notice Handles post-retry hook logic after execution.
    //  * @dev This function updates the identifier cache and sibling chain cache based on the post-hook data.
    //  * @param siblingChainSlug_ The unique identifier of the sibling chain.
    //  * @param identifierCache_ Identifier cache containing pending mint information.
    //  * @param connectorCache_ Sibling chain cache containing pending amount information.
    //  * @param postRetryHookData_ The post-hook data containing updated receiver and consumed/pending amounts.
    //  * @return newIdentifierCache The updated identifier cache.
    //  * @return newConnectorCache The updated sibling chain cache.
    //  */
    function postRetryHook(
        PostRetryHookCallParams calldata params_
    ) public override returns (CacheData memory cacheData) {
        return super.postRetryHook(params_);
    }

    function updateEmergencyShutdownState(
        bool shutdownState_
    ) external onlyOwner {
        emergencyShutdown = shutdownState_;
        emit ShutdownStateUpdated(shutdownState_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "lib/solmate/src/utils/ReentrancyGuard.sol";
import "../common/Errors.sol";
import "../common/Constants.sol";
import "../interfaces/IHook.sol";
import "../utils/RescueBase.sol";

/**
 * @title Base contract for super token and vault
 * @notice It contains relevant execution payload storages.
 * @dev This contract implements Socket's IPlug to enable message bridging and IMessageBridge
 * to support any type of message bridge.
 */
abstract contract HookBase is ReentrancyGuard, IHook, RescueBase {
    address public immutable vaultOrController;
    bytes32 public hookType;

    /**
     * @notice Constructor for creating a new SuperToken.
     */
    constructor(
        address owner_,
        address vaultOrController_
    ) AccessControl(owner_) {
        vaultOrController = vaultOrController_;
        _grantRole(RESCUE_ROLE, owner_);
    }

    modifier isVaultOrController() {
        if (msg.sender != vaultOrController) revert NotAuthorized();
        _;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./LimitHook.sol";

interface IKintoID {
    function isKYC(address) external view returns (bool);
}

interface IKintoFactory {
    function walletTs(address) external view returns (uint256);
}

interface IKintoWallet {
    function isFunderWhitelisted(address) external view returns (bool);
    function owners(uint256) external view returns (address);
}

/**
 * @title Kinto Hook
 * @notice meant to be deployed only Kinto. Inherits from LimitHook. Overrides the following functions:
 *  - on srcPreHookCall, which is called when a user on Kinto wants to "withdraw" (bridge out), it checks if the user is KYC'd. If not, it reverts.
 *  - on dstPreHookCall, which is called when a user wants to bridge in assets into Kinto, it checks if the original sender (the one that initiated the transaction on the vault chain) is an address included in funderWhitelist of the user's KintoWallet. If not, it reverts. The original sender is passed as an encoded param through the SenderHook.
 */
contract KintoHook is LimitHook {
    address public constant BRIDGER_L2 =
        0x26181Dfc530d96523350e895180b09BAf3d816a0;
    IKintoID public immutable kintoID;
    IKintoFactory public immutable kintoFactory;

    error InvalidSender(address sender);
    error InvalidReceiver(address sender);
    error KYCRequired();
    error ReceiverNotAllowed(address receiver);
    error SenderNotAllowed(address sender);

    /**
     * @notice Constructor for creating a Kinto Hook
     * @param owner_ Owner of this contract.
     * @param controller_ Controller of this contract.
     * @param useControllerPools_ Whether to use controller pools.
     * @param kintoID_ KintoID contract address.
     * @param kintoFactory_ KintoFactory contract address.
     */
    constructor(
        address owner_,
        address controller_,
        bool useControllerPools_,
        address kintoID_,
        address kintoFactory_
    ) LimitHook(owner_, controller_, useControllerPools_) {
        hookType = keccak256("KINTO");
        kintoID = IKintoID(kintoID_);
        kintoFactory = IKintoFactory(kintoFactory_);
    }

    function srcPreHookCall(
        SrcPreHookCallParams memory params_
    )
        public
        override
        isVaultOrController
        returns (TransferInfo memory transferInfo, bytes memory postHookData)
    {
        address sender = params_.msgSender;
        if (kintoFactory.walletTs(sender) == 0) revert InvalidSender(sender);
        if (!kintoID.isKYC(IKintoWallet(sender).owners(0)))
            revert KYCRequired();

        address receiver = params_.transferInfo.receiver;
        if (!IKintoWallet(sender).isFunderWhitelisted(receiver))
            revert ReceiverNotAllowed(receiver);

        return super.srcPreHookCall(params_);
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory params_
    ) public view override isVaultOrController returns (TransferInfo memory) {
        return super.srcPostHookCall(params_);
    }

    function dstPreHookCall(
        DstPreHookCallParams memory params_
    )
        public
        override
        isVaultOrController
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        address receiver = params_.transferInfo.receiver;
        address msgSender = abi.decode(params_.transferInfo.data, (address));

        if (msgSender != BRIDGER_L2) {
            if (kintoFactory.walletTs(receiver) == 0)
                revert InvalidReceiver(receiver);
            if (!kintoID.isKYC(IKintoWallet(receiver).owners(0)))
                revert KYCRequired();
            if (!IKintoWallet(receiver).isFunderWhitelisted(msgSender))
                revert SenderNotAllowed(msgSender);
        }

        return super.dstPreHookCall(params_);
    }

    function dstPostHookCall(
        DstPostHookCallParams memory params_
    ) public override isVaultOrController returns (CacheData memory cacheData) {
        return super.dstPostHookCall(params_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./plugins/LimitPlugin.sol";
import "./plugins/ExecutionHelper.sol";
import "./plugins/ConnectorPoolPlugin.sol";
import "../interfaces/IController.sol";

contract LimitExecutionHook is LimitPlugin, ConnectorPoolPlugin {
    bool public useControllerPools;
    ExecutionHelper executionHelper__;

    event MessageExecuted(bytes32 indexed messageId, address indexed receiver);

    /**
     * @notice Constructor for creating a new SuperToken.
     * @param owner_ Owner of this contract.
     */
    constructor(
        address owner_,
        address controller_,
        address executionHelper_,
        bool useControllerPools_
    ) HookBase(owner_, controller_) {
        useControllerPools = useControllerPools_;
        executionHelper__ = ExecutionHelper(executionHelper_);
        hookType = LIMIT_EXECUTION_HOOK;
        _grantRole(LIMIT_UPDATER_ROLE, owner_);
    }

    function setExecutionHelper(address executionHelper_) external onlyOwner {
        executionHelper__ = ExecutionHelper(executionHelper_);
    }

    function srcPreHookCall(
        SrcPreHookCallParams calldata params_
    )
        public
        virtual
        isVaultOrController
        returns (TransferInfo memory, bytes memory)
    {
        if (useControllerPools)
            _poolSrcHook(params_.connector, params_.transferInfo.amount);
        _limitSrcHook(params_.connector, params_.transferInfo.amount);
        return (params_.transferInfo, bytes(""));
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory params_
    ) public virtual isVaultOrController returns (TransferInfo memory) {
        return params_.transferInfo;
    }

    function dstPreHookCall(
        DstPreHookCallParams calldata params_
    )
        public
        virtual
        isVaultOrController
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        if (useControllerPools)
            _poolDstHook(params_.connector, params_.transferInfo.amount);

        (uint256 consumedAmount, uint256 pendingAmount) = _limitDstHook(
            params_.connector,
            params_.transferInfo.amount
        );
        postHookData = abi.encode(
            consumedAmount,
            pendingAmount,
            params_.transferInfo.amount
        );
        transferInfo = params_.transferInfo;
        transferInfo.amount = consumedAmount;
    }

    function dstPostHookCall(
        DstPostHookCallParams calldata params_
    ) public virtual isVaultOrController returns (CacheData memory cacheData) {
        bytes memory execPayload = params_.transferInfo.data;

        (
            uint256 consumedAmount,
            uint256 pendingAmount,
            uint256 bridgeAmount
        ) = abi.decode(params_.postHookData, (uint256, uint256, uint256));

        uint256 connectorPendingAmount = _getConnectorPendingAmount(
            params_.connectorCache
        );
        cacheData.connectorCache = abi.encode(
            connectorPendingAmount + pendingAmount
        );
        cacheData.identifierCache = abi.encode(
            params_.transferInfo.receiver,
            pendingAmount,
            bridgeAmount,
            params_.connector,
            execPayload
        );

        if (pendingAmount > 0) {
            emit TokensPending(
                params_.connector,
                params_.transferInfo.receiver,
                consumedAmount,
                pendingAmount,
                params_.messageId
            );
        } else {
            if (execPayload.length > 0) {
                // execute
                bool success = executionHelper__.execute(
                    params_.transferInfo.receiver,
                    execPayload,
                    params_.messageId,
                    bridgeAmount
                );

                if (success) {
                    emit MessageExecuted(
                        params_.messageId,
                        params_.transferInfo.receiver
                    );
                    cacheData.identifierCache = new bytes(0);
                }
            } else cacheData.identifierCache = new bytes(0);
        }
    }

    function preRetryHook(
        PreRetryHookCallParams calldata params_
    )
        public
        virtual
        isVaultOrController
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        (address receiver, uint256 pendingMint, , address connector, ) = abi
            .decode(
                params_.cacheData.identifierCache,
                (address, uint256, uint256, address, bytes)
            );

        if (connector != params_.connector) revert InvalidConnector();

        (uint256 consumedAmount, uint256 pendingAmount) = _limitDstHook(
            params_.connector,
            pendingMint
        );

        postRetryHookData = abi.encode(receiver, consumedAmount, pendingAmount);
        transferInfo = TransferInfo(receiver, consumedAmount, bytes(""));
    }

    function postRetryHook(
        PostRetryHookCallParams calldata params_
    ) public virtual isVaultOrController returns (CacheData memory cacheData) {
        (
            ,
            ,
            uint256 bridgeAmount,
            address connector,
            bytes memory execPayload
        ) = abi.decode(
                params_.cacheData.identifierCache,
                (address, uint256, uint256, address, bytes)
            );

        (address receiver, uint256 consumedAmount, uint256 pendingAmount) = abi
            .decode(params_.postRetryHookData, (address, uint256, uint256));

        uint256 connectorPendingAmount = _getConnectorPendingAmount(
            params_.cacheData.connectorCache
        );

        cacheData.connectorCache = abi.encode(
            connectorPendingAmount - consumedAmount
        );
        cacheData.identifierCache = abi.encode(
            receiver,
            pendingAmount,
            bridgeAmount,
            connector,
            execPayload
        );

        emit PendingTokensBridged(
            params_.connector,
            receiver,
            consumedAmount,
            pendingAmount,
            params_.messageId
        );

        if (pendingAmount == 0) {
            // receiver is not an input from user, can receiver check
            // no connector check required here, as already done in preRetryHook call in same tx

            // execute
            bool success = executionHelper__.execute(
                receiver,
                execPayload,
                params_.messageId,
                bridgeAmount
            );
            if (success) {
                emit MessageExecuted(params_.messageId, receiver);
                cacheData.identifierCache = new bytes(0);
            }
        }
    }

    function getConnectorPendingAmount(
        address connector_
    ) external returns (uint256) {
        bytes memory cache = IController(vaultOrController).connectorCache(
            connector_
        );
        return _getConnectorPendingAmount(cache);
    }

    function _getIdentifierPendingAmount(
        bytes memory identifierCache_
    ) internal pure returns (uint256) {
        if (identifierCache_.length > 0) {
            (, uint256 pendingAmount, , , ) = abi.decode(
                identifierCache_,
                (address, uint256, uint256, address, bytes)
            );
            return pendingAmount;
        } else return 0;
    }

    function getIdentifierPendingAmount(
        bytes32 messageId_
    ) external returns (uint256) {
        bytes memory cache = IController(vaultOrController).identifierCache(
            messageId_
        );
        return _getIdentifierPendingAmount(cache);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./plugins/LimitPlugin.sol";
import "../interfaces/IController.sol";
import "./plugins/ConnectorPoolPlugin.sol";

contract LimitHook is LimitPlugin, ConnectorPoolPlugin {
    bool public immutable useControllerPools;

    /**
     * @notice Constructor for creating a new SuperToken.
     * @param owner_ Owner of this contract.
     */
    constructor(
        address owner_,
        address controller_,
        bool useControllerPools_
    ) HookBase(owner_, controller_) {
        useControllerPools = useControllerPools_;
        hookType = LIMIT_HOOK;
        _grantRole(LIMIT_UPDATER_ROLE, owner_);
    }

    function srcPreHookCall(
        SrcPreHookCallParams memory params_
    )
        public
        virtual
        isVaultOrController
        returns (TransferInfo memory transferInfo, bytes memory postHookData)
    {
        if (useControllerPools)
            _poolSrcHook(params_.connector, params_.transferInfo.amount);

        _limitSrcHook(params_.connector, params_.transferInfo.amount);
        transferInfo = params_.transferInfo;
        postHookData = hex"";
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory params_
    ) public view virtual isVaultOrController returns (TransferInfo memory) {
        return params_.transferInfo;
    }

    function dstPreHookCall(
        DstPreHookCallParams memory params_
    )
        public
        virtual
        isVaultOrController
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        if (useControllerPools)
            _poolDstHook(params_.connector, params_.transferInfo.amount);

        (uint256 consumedAmount, uint256 pendingAmount) = _limitDstHook(
            params_.connector,
            params_.transferInfo.amount
        );
        postHookData = abi.encode(consumedAmount, pendingAmount);
        transferInfo = params_.transferInfo;
        transferInfo.amount = consumedAmount;
    }

    function dstPostHookCall(
        DstPostHookCallParams memory params_
    ) public virtual isVaultOrController returns (CacheData memory cacheData) {
        (uint256 consumedAmount, uint256 pendingAmount) = abi.decode(
            params_.postHookData,
            (uint256, uint256)
        );
        uint256 connectorPendingAmount = _getConnectorPendingAmount(
            params_.connectorCache
        );
        if (pendingAmount > 0) {
            cacheData = CacheData(
                abi.encode(
                    params_.transferInfo.receiver,
                    pendingAmount,
                    params_.connector
                ),
                abi.encode(connectorPendingAmount + pendingAmount)
            );

            emit TokensPending(
                params_.connector,
                params_.transferInfo.receiver,
                consumedAmount,
                pendingAmount,
                params_.messageId
            );
        } else {
            cacheData = CacheData(
                bytes(""),
                abi.encode(connectorPendingAmount + pendingAmount)
            );
        }
    }

    function preRetryHook(
        PreRetryHookCallParams memory params_
    )
        public
        virtual
        nonReentrant
        isVaultOrController
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        (address updatedReceiver, uint256 pendingMint, address connector) = abi
            .decode(
                params_.cacheData.identifierCache,
                (address, uint256, address)
            );

        if (connector != params_.connector) revert InvalidConnector();

        (uint256 consumedAmount, uint256 pendingAmount) = _limitDstHook(
            params_.connector,
            pendingMint
        );

        postRetryHookData = abi.encode(
            updatedReceiver,
            consumedAmount,
            pendingAmount
        );
        transferInfo = TransferInfo(updatedReceiver, consumedAmount, bytes(""));
    }

    function postRetryHook(
        PostRetryHookCallParams calldata params_
    )
        public
        virtual
        isVaultOrController
        nonReentrant
        returns (CacheData memory cacheData)
    {
        (
            address updatedReceiver,
            uint256 consumedAmount,
            uint256 pendingAmount
        ) = abi.decode(params_.postRetryHookData, (address, uint256, uint256));

        // code reaches here after minting/unlocking the pending amount
        emit PendingTokensBridged(
            params_.connector,
            updatedReceiver,
            consumedAmount,
            pendingAmount,
            params_.messageId
        );

        uint256 connectorPendingAmount = _getConnectorPendingAmount(
            params_.cacheData.connectorCache
        );
        cacheData.connectorCache = abi.encode(
            connectorPendingAmount - consumedAmount
        );
        cacheData.identifierCache = abi.encode(
            updatedReceiver,
            pendingAmount,
            params_.connector
        );

        if (pendingAmount == 0) {
            cacheData.identifierCache = new bytes(0);
        }
    }

    function getConnectorPendingAmount(
        address connector_
    ) external returns (uint256) {
        bytes memory cache = IController(vaultOrController).connectorCache(
            connector_
        );
        return _getConnectorPendingAmount(cache);
    }

    function _getIdentifierPendingAmount(
        bytes memory identifierCache_
    ) internal pure returns (uint256) {
        if (identifierCache_.length > 0) {
            (, uint256 pendingAmount, ) = abi.decode(
                identifierCache_,
                (address, uint256, address)
            );
            return pendingAmount;
        } else return 0;
    }

    function getIdentifierPendingAmount(
        bytes32 messageId_
    ) external returns (uint256) {
        bytes memory cache = IController(vaultOrController).identifierCache(
            messageId_
        );
        return _getIdentifierPendingAmount(cache);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;
import "../HookBase.sol";

abstract contract ConnectorPoolPlugin is HookBase {
    // connectorPoolId => totalLockedAmount
    mapping(uint256 => uint256) public poolLockedAmounts;

    // connector => connectorPoolId
    mapping(address => uint256) public connectorPoolIds;

    event ConnectorPoolIdUpdated(address connector, uint256 poolId);
    event PoolLockedAmountUpdated(uint256 poolId, uint256 amount);

    function updateConnectorPoolId(
        address[] calldata connectors,
        uint256[] calldata poolIds_
    ) external onlyOwner {
        uint256 length = connectors.length;
        for (uint256 i; i < length; i++) {
            if (poolIds_[i] == 0) revert InvalidPoolId();
            connectorPoolIds[connectors[i]] = poolIds_[i];
            emit ConnectorPoolIdUpdated(connectors[i], poolIds_[i]);
        }
    }

    function updatePoolLockedAmounts(
        uint256[] calldata poolIds_,
        uint256[] calldata amounts_
    ) external onlyOwner {
        uint256 length = poolIds_.length;
        for (uint256 i; i < length; i++) {
            if (poolIds_[i] == 0) revert InvalidPoolId();
            poolLockedAmounts[poolIds_[i]] = amounts_[i];
            emit PoolLockedAmountUpdated(poolIds_[i], amounts_[i]);
        }
    }

    function _poolSrcHook(address connector_, uint256 amount_) internal {
        uint256 connectorPoolId = connectorPoolIds[connector_];
        if (connectorPoolId == 0) revert InvalidPoolId();
        if (amount_ > poolLockedAmounts[connectorPoolId])
            revert InsufficientFunds();

        poolLockedAmounts[connectorPoolId] -= amount_;
    }

    function _poolDstHook(
        address connector_,
        uint256 amount_
    ) internal returns (uint256 oldLockedAmount) {
        uint256 connectorPoolId = connectorPoolIds[connector_];
        if (connectorPoolId == 0) revert InvalidPoolId();

        oldLockedAmount = poolLockedAmounts[connectorPoolId];
        poolLockedAmounts[connectorPoolId] += amount_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "../../libraries/ExcessivelySafeCall.sol";
import "../../utils/RescueBase.sol";
import "../../common/Errors.sol";

/**
 * @title ExecutionHelper
 * @notice It is an untrusted contract used for payload execution by Super token and Vault.
 */
contract ExecutionHelper is RescueBase {
    using ExcessivelySafeCall for address;
    uint16 private constant MAX_COPY_BYTES = 0;
    address public hook;
    bytes32 public messageId;
    uint256 public bridgeAmount;

    constructor(address owner_) AccessControl(owner_) {
        _grantRole(RESCUE_ROLE, owner_);
    }

    modifier onlyHook() {
        require(msg.sender == hook, "ExecutionHelper: only hook");
        _;
    }

    function setHook(address hook_) external onlyOwner {
        hook = hook_;
    }

    /**
     * @notice this function is used to execute a payload at target_
     * @dev receiver address cannot be this contract address.
     * @param target_ address of target.
     * @param payload_ payload to be executed at target.
     */
    function execute(
        address target_,
        bytes memory payload_,
        bytes32 messageId_,
        uint256 bridgeAmount_
    ) external onlyHook returns (bool success) {
        if (target_ == address(this)) return false;

        messageId = messageId_;
        bridgeAmount = bridgeAmount_;

        (success, ) = target_.excessivelySafeCall(
            gasleft(),
            MAX_COPY_BYTES,
            payload_
        );

        messageId = bytes32(0);
        bridgeAmount = 0;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "../HookBase.sol";
import {Gauge} from "../../utils/Gauge.sol";

abstract contract LimitPlugin is Gauge, HookBase {
    bytes32 constant LIMIT_UPDATER_ROLE = keccak256("LIMIT_UPDATER_ROLE");

    // connector => receivingLimitParams
    mapping(address => LimitParams) _receivingLimitParams;

    // connector => sendingLimitParams
    mapping(address => LimitParams) _sendingLimitParams;

    ////////////////////////////////////////////////////////
    ////////////////////// EVENTS //////////////////////////
    ////////////////////////////////////////////////////////

    // Emitted when limit parameters are updated
    event LimitParamsUpdated(UpdateLimitParams[] updates);

    // Emitted when pending tokens are minted to the receiver
    event PendingTokensBridged(
        address connector,
        address receiver,
        uint256 consumedAmount,
        uint256 pendingAmount,
        bytes32 messageId
    );
    // Emitted when the transfer reaches the limit, and the token mint is added to the pending queue
    event TokensPending(
        address connector,
        address receiver,
        uint256 consumedAmount,
        uint256 pendingAmount,
        bytes32 messageId
    );

    /**
     * @notice This function is used to set bridge limits.
     * @dev It can only be updated by the owner.
     * @param updates An array of structs containing update parameters.
     */
    function updateLimitParams(
        UpdateLimitParams[] calldata updates
    ) external onlyRole(LIMIT_UPDATER_ROLE) {
        for (uint256 i = 0; i < updates.length; i++) {
            if (updates[i].isMint) {
                _consumePartLimit(
                    0,
                    _receivingLimitParams[updates[i].connector]
                ); // To keep the current limit in sync
                _receivingLimitParams[updates[i].connector].maxLimit = updates[
                    i
                ].maxLimit;
                _receivingLimitParams[updates[i].connector]
                    .ratePerSecond = updates[i].ratePerSecond;
            } else {
                _consumePartLimit(0, _sendingLimitParams[updates[i].connector]); // To keep the current limit in sync
                _sendingLimitParams[updates[i].connector].maxLimit = updates[i]
                    .maxLimit;
                _sendingLimitParams[updates[i].connector]
                    .ratePerSecond = updates[i].ratePerSecond;
            }
        }

        emit LimitParamsUpdated(updates);
    }

    function getCurrentReceivingLimit(
        address connector_
    ) external view returns (uint256) {
        return _getCurrentLimit(_receivingLimitParams[connector_]);
    }

    function getCurrentSendingLimit(
        address connector_
    ) external view returns (uint256) {
        return _getCurrentLimit(_sendingLimitParams[connector_]);
    }

    function getReceivingLimitParams(
        address connector_
    ) external view returns (LimitParams memory) {
        return _receivingLimitParams[connector_];
    }

    function getSendingLimitParams(
        address connector_
    ) external view returns (LimitParams memory) {
        return _sendingLimitParams[connector_];
    }

    function _limitSrcHook(address connector_, uint256 amount_) internal {
        if (_sendingLimitParams[connector_].maxLimit == 0)
            revert SiblingNotSupported();

        _consumeFullLimit(amount_, _sendingLimitParams[connector_]); // Reverts on limit hit
    }

    function _limitDstHook(
        address connector_,
        uint256 amount_
    ) internal returns (uint256 consumedAmount, uint256 pendingAmount) {
        if (_receivingLimitParams[connector_].maxLimit == 0)
            revert SiblingNotSupported();

        (consumedAmount, pendingAmount) = _consumePartLimit(
            amount_,
            _receivingLimitParams[connector_]
        );
    }

    function _getConnectorPendingAmount(
        bytes memory connectorCache_
    ) internal pure returns (uint256) {
        if (connectorCache_.length > 0) {
            return abi.decode(connectorCache_, (uint256));
        } else return 0;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./LimitHook.sol";

/**
 * @title Sender Hook
 * @notice It only defines behaviour for `srcPreHookCall` to include the sender in the TransferInfo data field.
 */
contract SenderHook is LimitHook {
    /**
     * @notice meant to be deployed only on vault chains (all except Kinto).
     * Overrides `srcPreHookCall` to pass the `msg.sender` so that it can be used
     * in the `dstPreHookCall` on Kinto chain.
     * @param owner_ Owner of this contract.
     * @param controller_ Controller of this contract.
     * @param useControllerPools_ Whether to use controller pools.
     */
    constructor(
        address owner_,
        address controller_,
        bool useControllerPools_
    ) LimitHook(owner_, controller_, useControllerPools_) {
        hookType = keccak256("KINTO");
    }

    function srcPreHookCall(
        SrcPreHookCallParams memory params_
    )
        public
        override
        isVaultOrController
        returns (TransferInfo memory transferInfo, bytes memory postHookData)
    {
        // add `msgSender` inside data field
        params_.transferInfo.data = abi.encode(params_.msgSender);
        return super.srcPreHookCall(params_);
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory params_
    ) public view override isVaultOrController returns (TransferInfo memory) {
        return super.srcPostHookCall(params_);
    }

    function dstPreHookCall(
        DstPreHookCallParams memory params_
    )
        public
        override
        isVaultOrController
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        return super.dstPreHookCall(params_);
    }

    function dstPostHookCall(
        DstPostHookCallParams memory params_
    ) public override isVaultOrController returns (CacheData memory cacheData) {
        return super.dstPostHookCall(params_);
    }

    /// @dev not needed for this hook
    function preRetryHook(
        PreRetryHookCallParams memory params_
    )
        public
        override
        nonReentrant
        isVaultOrController
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        return super.preRetryHook(params_);
    }

    /// @dev not needed for this hook
    function postRetryHook(
        PostRetryHookCallParams calldata params_
    )
        public
        override
        isVaultOrController
        nonReentrant
        returns (CacheData memory cacheData)
    {
        return super.postRetryHook(params_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "lib/openzeppelin-contracts/contracts/utils/math/Math.sol";
import {FixedPointMathLib} from "lib/solmate/src/utils/FixedPointMathLib.sol";
import {IStrategy} from "../interfaces/IStrategy.sol";
import "lib/solmate/src/tokens/ERC20.sol";

import "lib/solmate/src/utils/SafeTransferLib.sol";
import {IConnector} from "../ConnectorPlug.sol";

import "./LimitExecutionHook.sol";

contract Vault_YieldLimitExecHook is LimitExecutionHook {
    using SafeTransferLib for ERC20;
    using FixedPointMathLib for uint256;

    uint256 private constant MAX_BPS = 10_000;

    IStrategy public strategy; // address of the strategy contract
    ERC20 public immutable underlyingAsset__;

    uint256 public totalLockedInStrategy; // total funds deposited in strategy

    uint256 public totalIdle; // Amount of tokens that are in the vault
    uint256 public totalDebt; // Amount of tokens that strategy have borrowed
    uint128 public lastRebalanceTimestamp; // Timestamp of last rebalance

    uint128 public rebalanceDelay; // Delay between rebalance
    uint256 public debtRatio; // Debt ratio for the Vault (in BPS, <= 10k)
    bool public emergencyShutdown; // if true, no funds can be invested in the strategy

    uint256 public lastTotalUnderlyingAssetsSynced;

    event WithdrawFromStrategy(uint256 withdrawn);
    event Rebalanced(
        uint256 totalIdle,
        uint256 totalDebt,
        uint256 credit,
        uint256 debtOutstanding
    );
    event ShutdownStateUpdated(bool shutdownState);
    event DebtRatioUpdated(uint256 debtRatio);
    event StrategyUpdated(address strategy);
    event RebalanceDelayUpdated(uint128 rebalanceDelay);

    modifier notShutdown() {
        if (emergencyShutdown) revert VaultShutdown();
        _;
    }

    constructor(
        uint256 debtRatio_,
        uint128 rebalanceDelay_,
        address strategy_,
        address underlyingAsset_,
        address vault_,
        address executionHelper_,
        bool useControllerPools_
    )
        LimitExecutionHook(
            msg.sender,
            vault_,
            executionHelper_,
            useControllerPools_
        )
    {
        underlyingAsset__ = ERC20(underlyingAsset_);
        debtRatio = debtRatio_;
        rebalanceDelay = rebalanceDelay_;
        strategy = IStrategy(strategy_);
        hookType = LIMIT_EXECUTION_YIELD_HOOK;
        _grantRole(LIMIT_UPDATER_ROLE, msg.sender);
    }

    /**
     * @dev This function calls the srcHookCall function of the connector contract,
     * passing in the receiver, amount, siblingChainSlug, extradata, and msg.sender, and returns
     * the updated receiver, amount, and extradata.
     */
    function srcPreHookCall(
        SrcPreHookCallParams calldata params_
    ) public override notShutdown returns (TransferInfo memory, bytes memory) {
        totalIdle += params_.transferInfo.amount;
        return super.srcPreHookCall(params_);
    }

    function srcPostHookCall(
        SrcPostHookCallParams memory srcPostHookCallParams_
    )
        public
        override
        isVaultOrController
        returns (TransferInfo memory transferInfo)
    {
        _checkDelayAndRebalance();

        uint256 totalUnderlyingAsset = strategy.estimatedTotalAssets() +
            totalIdle;
        uint256 totalYieldSync = totalUnderlyingAsset -
            lastTotalUnderlyingAssetsSynced;
        lastTotalUnderlyingAssetsSynced = totalUnderlyingAsset;

        transferInfo = srcPostHookCallParams_.transferInfo;
        if (srcPostHookCallParams_.transferInfo.amount == 0) {
            transferInfo.data = abi.encode(totalYieldSync, bytes(""));
        } else {
            transferInfo.data = abi.encode(
                totalYieldSync,
                srcPostHookCallParams_.transferInfo.data
            );
        }
    }

    /**
     * @notice This function is called before the execution of a destination hook.
     * @dev It checks if the sibling chain is supported, consumes a part of the limit, and prepares post-hook data.
     */
    function dstPreHookCall(
        DstPreHookCallParams calldata params_
    )
        public
        override
        notShutdown
        returns (bytes memory postHookData, TransferInfo memory transferInfo)
    {
        (postHookData, transferInfo) = super.dstPreHookCall(params_);

        // ensure vault have enough idle underlyingAssets
        if (transferInfo.amount > totalUnderlyingAssets())
            revert NotEnoughAssets();

        (bytes memory options_, bytes memory payload_) = abi.decode(
            params_.transferInfo.data,
            (bytes, bytes)
        );
        bool pullFromStrategy = abi.decode(options_, (bool));

        if (transferInfo.amount > totalIdle) {
            if (pullFromStrategy) {
                _withdrawFromStrategy(transferInfo.amount - totalIdle);
            } else {
                (
                    uint256 consumedUnderlying,
                    uint256 pendingUnderlying,
                    uint256 bridgeUnderlying
                ) = abi.decode(postHookData, (uint256, uint256, uint256));

                pendingUnderlying += transferInfo.amount - totalIdle;
                postHookData = abi.encode(
                    transferInfo.amount,
                    pendingUnderlying,
                    bridgeUnderlying
                );
                transferInfo.amount = totalIdle;

                // Update the lastUpdateLimit as consumedAmount is reduced to totalIdle. This is to ensure that the
                // receiving limit is updated by correct transferred amount.
                LimitParams storage receivingParams = _receivingLimitParams[
                    params_.connector
                ];

                receivingParams.lastUpdateLimit +=
                    consumedUnderlying -
                    transferInfo.amount;
            }
            totalIdle = 0;
        } else totalIdle -= transferInfo.amount;

        transferInfo.data = payload_;
        transferInfo.receiver = params_.transferInfo.receiver;
    }

    function dstPostHookCall(
        DstPostHookCallParams calldata params_
    ) public override returns (CacheData memory cacheData) {
        return super.dstPostHookCall(params_);
    }

    /**
     * @notice Handles pre-retry hook logic before execution.
     * @dev This function can be used to mint funds which were in a pending state due to limits.
     */
    function preRetryHook(
        PreRetryHookCallParams calldata params_
    )
        public
        override
        notShutdown
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        )
    {
        (postRetryHookData, transferInfo) = super.preRetryHook(params_);
        if (transferInfo.amount > totalIdle) {
            _withdrawFromStrategy(transferInfo.amount - totalIdle);
            totalIdle = 0;
        } else totalIdle -= transferInfo.amount;
    }

    function postRetryHook(
        PostRetryHookCallParams calldata params_
    ) public override returns (CacheData memory cacheData) {
        return super.postRetryHook(params_);
    }

    function withdrawFromStrategy(
        uint256 underlyingAsset_
    ) external onlyOwner returns (uint256) {
        return _withdrawFromStrategy(underlyingAsset_);
    }

    function _withdrawFromStrategy(
        uint256 underlyingAsset_
    ) internal returns (uint256 withdrawn) {
        uint256 preBalance = underlyingAsset__.balanceOf(address(this));
        strategy.withdraw(underlyingAsset_);
        withdrawn = underlyingAsset__.balanceOf(address(this)) - preBalance;
        totalIdle += withdrawn;
        totalDebt -= withdrawn;

        underlyingAsset__.transfer(vaultOrController, withdrawn);
        emit WithdrawFromStrategy(withdrawn);
    }

    function _withdrawAllFromStrategy() internal returns (uint256) {
        uint256 preBalance = underlyingAsset__.balanceOf(address(this));
        strategy.withdrawAll();
        uint256 withdrawn = underlyingAsset__.balanceOf(address(this)) -
            preBalance;
        totalIdle += withdrawn;
        totalDebt = 0;

        underlyingAsset__.transfer(vaultOrController, withdrawn);
        emit WithdrawFromStrategy(withdrawn);
        return withdrawn;
    }

    function rebalance() external notShutdown {
        _rebalance();
    }

    function _checkDelayAndRebalance() internal {
        uint128 timeElapsed = uint128(block.timestamp) - lastRebalanceTimestamp;
        if (timeElapsed >= rebalanceDelay) {
            _rebalance();
        }
    }

    function _rebalance() internal {
        if (address(strategy) == address(0)) return;
        lastRebalanceTimestamp = uint128(block.timestamp);
        // Compute the line of credit the Vault is able to offer the Strategy (if any)
        uint256 credit = _creditAvailable();
        uint256 pendingDebt = _debtOutstanding();

        if (credit > 0) {
            // Credit surplus, give to Strategy
            totalIdle -= credit;
            totalDebt += credit;
            totalLockedInStrategy += credit;
            underlyingAsset__.safeTransferFrom(
                vaultOrController,
                address(strategy),
                credit
            );
            strategy.invest();
        } else if (pendingDebt > 0) {
            // Credit deficit, take from Strategy
            _withdrawFromStrategy(pendingDebt);
        }

        emit Rebalanced(totalIdle, totalDebt, credit, pendingDebt);
    }

    /// @notice Returns the total quantity of all underlyingAssets under control of this
    ///    Vault, whether they're loaned out to a Strategy, or currently held in
    /// the Vault.
    /// @return total quantity of all underlyingAssets under control of this Vault
    function totalUnderlyingAssets() public view returns (uint256) {
        return strategy.estimatedTotalAssets() + totalIdle;
    }

    function _creditAvailable() internal view returns (uint256) {
        uint256 vaultTotalAssets = totalUnderlyingAssets();
        uint256 vaultDebtLimit = (debtRatio * vaultTotalAssets) / MAX_BPS;
        uint256 vaultTotalDebt = totalDebt;

        if (vaultDebtLimit <= vaultTotalDebt) return 0;

        // Start with debt limit left for the Strategy
        uint256 availableCredit = vaultDebtLimit - vaultTotalDebt;

        // Can only borrow up to what the contract has in reserve
        // NOTE: Running near 100% is discouraged
        return Math.min(availableCredit, totalIdle);
    }

    function creditAvailable() external view returns (uint256) {
        // @notice
        //     Amount of tokens in Vault a Strategy has access to as a credit line.
        //     This will check the Strategy's debt limit, as well as the tokens
        //     available in the Vault, and determine the maximum amount of tokens
        //     (if any) the Strategy may draw on.
        //     In the rare case the Vault is in emergency shutdown this will return 0.
        // @param strategy The Strategy to check. Defaults to caller.
        // @return The quantity of tokens available for the Strategy to draw on.

        return _creditAvailable();
    }

    function _debtOutstanding() internal view returns (uint256) {
        // See note on `debtOutstanding()`.
        if (debtRatio == 0) {
            return totalDebt;
        }

        uint256 debtLimit = ((debtRatio * totalUnderlyingAssets()) / MAX_BPS);

        if (totalDebt <= debtLimit) return 0;
        else return totalDebt - debtLimit;
    }

    function debtOutstanding() external view returns (uint256) {
        // @notice
        //     Determines if `strategy` is past its debt limit and if any tokens
        //     should be withdrawn to the Vault.
        // @return The quantity of tokens to withdraw.

        return _debtOutstanding();
    }

    function updateEmergencyShutdownState(
        bool shutdownState_,
        bool detachStrategy
    ) external onlyOwner {
        if (shutdownState_ && detachStrategy) {
            // If we're exiting emergency shutdown, we need to empty strategy
            _withdrawAllFromStrategy();
            strategy = IStrategy(address(0));
        }
        emergencyShutdown = shutdownState_;
        emit ShutdownStateUpdated(shutdownState_);
    }

    ////////////////////////////////////////////////////////
    ////////////////////// SETTERS //////////////////////////
    ////////////////////////////////////////////////////////

    function setDebtRatio(uint256 debtRatio_) external onlyOwner {
        if (debtRatio_ > MAX_BPS) revert DebtRatioTooHigh();
        debtRatio = debtRatio_;

        emit DebtRatioUpdated(debtRatio_);
    }

    function setStrategy(address strategy_) external onlyOwner {
        strategy = IStrategy(strategy_);
        emit StrategyUpdated(strategy_);
    }

    function setRebalanceDelay(uint128 rebalanceDelay_) external onlyOwner {
        rebalanceDelay = rebalanceDelay_;
        emit RebalanceDelayUpdated(rebalanceDelay_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.3;

interface IBridge {
    function bridge(
        address receiver_,
        uint256 amount_,
        uint256 msgGasLimit_,
        address connector_,
        bytes calldata execPayload_,
        bytes calldata options_
    ) external payable;

    function receiveInbound(
        uint32 siblingChainSlug_,
        bytes memory payload_
    ) external payable;

    function retry(address connector_, bytes32 messageId_) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IConnector {
    function outbound(
        uint256 msgGasLimit_,
        bytes memory payload_,
        bytes memory options_
    ) external payable returns (bytes32 messageId_);

    function siblingChainSlug() external view returns (uint32);

    function getMinFees(
        uint256 msgGasLimit_,
        uint256 payloadSize_
    ) external view returns (uint256 totalFees);

    function getMessageId() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IController {
    function identifierCache(
        bytes32 messageId_
    ) external payable returns (bytes memory cache);

    function connectorCache(
        address connector_
    ) external payable returns (bytes memory cache);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.3;
import "../common/Structs.sol";

interface IHook {
    /**
     * @notice Executes pre-hook call for source underlyingAsset.
     * @dev This function is used to execute a pre-hook call for the source underlyingAsset before initiating a transfer.
     * @param params_ Parameters for the pre-hook call.
     * @return transferInfo Information about the transfer.
     * @return postSrcHookData returned from the pre-hook call.
     */
    function srcPreHookCall(
        SrcPreHookCallParams calldata params_
    )
        external
        returns (
            TransferInfo memory transferInfo,
            bytes memory postSrcHookData
        );

    function srcPostHookCall(
        SrcPostHookCallParams calldata params_
    ) external returns (TransferInfo memory transferInfo);

    /**
     * @notice Executes pre-hook call for destination underlyingAsset.
     * @dev This function is used to execute a pre-hook call for the destination underlyingAsset before initiating a transfer.
     * @param params_ Parameters for the pre-hook call.
     */
    function dstPreHookCall(
        DstPreHookCallParams calldata params_
    )
        external
        returns (bytes memory postHookData, TransferInfo memory transferInfo);

    /**
     * @notice Executes post-hook call for destination underlyingAsset.
     * @dev This function is used to execute a post-hook call for the destination underlyingAsset after completing a transfer.
     * @param params_ Parameters for the post-hook call.
     * @return cacheData Cached data for the post-hook call.
     */
    function dstPostHookCall(
        DstPostHookCallParams calldata params_
    ) external returns (CacheData memory cacheData);

    /**
     * @notice Executes a pre-retry hook for a failed transaction.
     * @dev This function is used to execute a pre-retry hook for a failed transaction.
     * @param params_ Parameters for the pre-retry hook.
     * @return postRetryHookData Data from the post-retry hook.
     * @return transferInfo Information about the transfer.
     */
    function preRetryHook(
        PreRetryHookCallParams calldata params_
    )
        external
        returns (
            bytes memory postRetryHookData,
            TransferInfo memory transferInfo
        );

    /**
     * @notice Executes a post-retry hook for a failed transaction.
     * @dev This function is used to execute a post-retry hook for a failed transaction.
     * @param params_ Parameters for the post-retry hook.
     * @return cacheData Cached data for the post-retry hook.
     */
    function postRetryHook(
        PostRetryHookCallParams calldata params_
    ) external returns (CacheData memory cacheData);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;
import "./IHook.sol";

interface ILimitHook is IHook {
    function updateLimitParams(UpdateLimitParams[] calldata updates) external;

    function checkLimit(address user, uint256 amount) external view;

    function getIdentifierPendingAmount(
        bytes32 messageId_
    ) external returns (uint256);

    function getConnectorPendingAmount(
        address connector_
    ) external returns (uint256);

    function getCurrentReceivingLimit(
        address connector_
    ) external view returns (uint256);

    function getCurrentSendingLimit(
        address connector_
    ) external view returns (uint256);

    function getReceivingLimitParams(
        address connector_
    ) external view returns (LimitParams memory);

    function getSendingLimitParams(
        address connector_
    ) external view returns (LimitParams memory);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

interface IMintableERC20 {
    function mint(address receiver_, uint256 amount_) external;

    function burn(address burner_, uint256 amount_) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/**
 * @title IPlug
 * @notice Interface for a plug contract that executes the message received from a source chain.
 */
interface IPlug {
    /**
     * @dev this should be only executable by socket
     * @notice executes the message received from source chain
     * @notice It is expected to have original sender checks in the destination plugs using payload
     * @param srcChainSlug_ chain slug of source
     * @param payload_ the data which is needed by plug at inbound call on remote
     */
    function inbound(
        uint32 srcChainSlug_,
        bytes calldata payload_
    ) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/**
 * @title ISocket
 * @notice An interface for a cross-chain communication contract
 * @dev This interface provides methods for transmitting and executing messages between chains,
 * connecting a plug to a remote chain and setting up switchboards for the message transmission
 * This interface also emits events for important operations such as message transmission, execution status,
 * and plug connection
 */
interface ISocket {
    /**
     * @notice A struct containing fees required for message transmission and execution
     * @param transmissionFees fees needed for transmission
     * @param switchboardFees fees needed by switchboard
     * @param executionFee fees needed for execution
     */
    struct Fees {
        uint128 transmissionFees;
        uint128 executionFee;
        uint128 switchboardFees;
    }

    /**
     * @title MessageDetails
     * @dev This struct defines the details of a message to be executed in a Decapacitor contract.
     */
    struct MessageDetails {
        // A unique identifier for the message.
        bytes32 msgId;
        // The fee to be paid for executing the message.
        uint256 executionFee;
        // The maximum amount of gas that can be used to execute the message.
        uint256 minMsgGasLimit;
        // The extra params which provides msg value and additional info needed for message exec
        bytes32 executionParams;
        // The payload data to be executed in the message.
        bytes payload;
    }

    /**
     * @title ExecutionDetails
     * @dev This struct defines the execution details
     */
    struct ExecutionDetails {
        // packet id
        bytes32 packetId;
        // proposal count
        uint256 proposalCount;
        // gas limit needed to execute inbound
        uint256 executionGasLimit;
        // proof data required by the Decapacitor contract to verify the message's authenticity
        bytes decapacitorProof;
        // signature of executor
        bytes signature;
    }

    /**
     * @notice emits the message details when a new message arrives at outbound
     * @param localChainSlug local chain slug
     * @param localPlug local plug address
     * @param dstChainSlug remote chain slug
     * @param dstPlug remote plug address
     * @param msgId message id packed with remoteChainSlug and nonce
     * @param minMsgGasLimit gas limit needed to execute the inbound at remote
     * @param payload the data which will be used by inbound at remote
     */
    event MessageOutbound(
        uint32 localChainSlug,
        address localPlug,
        uint32 dstChainSlug,
        address dstPlug,
        bytes32 msgId,
        uint256 minMsgGasLimit,
        bytes32 executionParams,
        bytes32 transmissionParams,
        bytes payload,
        Fees fees
    );

    /**
     * @notice emits the status of message after inbound call
     * @param msgId msg id which is executed
     */
    event ExecutionSuccess(bytes32 msgId);

    /**
     * @notice emits the config set by a plug for a remoteChainSlug
     * @param plug address of plug on current chain
     * @param siblingChainSlug sibling chain slug
     * @param siblingPlug address of plug on sibling chain
     * @param inboundSwitchboard inbound switchboard (select from registered options)
     * @param outboundSwitchboard outbound switchboard (select from registered options)
     * @param capacitor capacitor selected based on outbound switchboard
     * @param decapacitor decapacitor selected based on inbound switchboard
     */
    event PlugConnected(
        address plug,
        uint32 siblingChainSlug,
        address siblingPlug,
        address inboundSwitchboard,
        address outboundSwitchboard,
        address capacitor,
        address decapacitor
    );

    /**
     * @notice registers a message
     * @dev Packs the message and includes it in a packet with capacitor
     * @param remoteChainSlug_ the remote chain slug
     * @param minMsgGasLimit_ the gas limit needed to execute the payload on remote
     * @param payload_ the data which is needed by plug at inbound call on remote
     */
    function outbound(
        uint32 remoteChainSlug_,
        uint256 minMsgGasLimit_,
        bytes32 executionParams_,
        bytes32 transmissionParams_,
        bytes memory payload_
    ) external payable returns (bytes32 msgId);

    /**
     * @notice executes a message
     * @param executionDetails_ the packet details, proof and signature needed for message execution
     * @param messageDetails_ the message details
     */
    function execute(
        ISocket.ExecutionDetails calldata executionDetails_,
        ISocket.MessageDetails calldata messageDetails_
    ) external payable;

    /**
     * @notice sets the config specific to the plug
     * @param siblingChainSlug_ the sibling chain slug
     * @param siblingPlug_ address of plug present at sibling chain to call inbound
     * @param inboundSwitchboard_ the address of switchboard to use for receiving messages
     * @param outboundSwitchboard_ the address of switchboard to use for sending messages
     */
    function connect(
        uint32 siblingChainSlug_,
        address siblingPlug_,
        address inboundSwitchboard_,
        address outboundSwitchboard_
    ) external;

    /**
     * @notice Retrieves the minimum fees required for a message with a specified gas limit and destination chain.
     * @param minMsgGasLimit_ The gas limit of the message.
     * @param remoteChainSlug_ The slug of the destination chain for the message.
     * @param plug_ The address of the plug through which the message is sent.
     * @return totalFees The minimum fees required for the specified message.
     */
    function getMinFees(
        uint256 minMsgGasLimit_,
        uint256 payloadSize_,
        bytes32 executionParams_,
        bytes32 transmissionParams_,
        uint32 remoteChainSlug_,
        address plug_
    ) external view returns (uint256 totalFees);

    /**
     * @notice returns chain slug
     * @return chainSlug current chain slug
     */
    function chainSlug() external view returns (uint32 chainSlug);

    function globalMessageCount() external view returns (uint64);

    /**
     * @notice returns the config for given `plugAddress_` and `siblingChainSlug_`
     * @param siblingChainSlug_ the sibling chain slug
     * @param plugAddress_ address of plug present at current chain
     */
    function getPlugConfig(
        address plugAddress_,
        uint32 siblingChainSlug_
    )
        external
        view
        returns (
            address siblingPlug,
            address inboundSwitchboard__,
            address outboundSwitchboard__,
            address capacitor__,
            address decapacitor__
        );
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/**
 * @title IStrategy
 * @notice Interface for strategy contract which interacts with other protocols
 */
interface IStrategy {
    function withdraw(uint256 amount_) external returns (uint256 loss_);

    function withdrawAll() external;

    function estimatedTotalAssets()
        external
        view
        returns (uint256 totalUnderlyingAssets_);

    function invest() external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "./utils/Ownable.sol";

/**
 * @title KintoDeployer
 * @dev Convenience contract for deploying contracts on Kinto using `CREATE2`
 * and nominating a new address to be the owner.
 */
contract KintoDeployer {
    event ContractDeployed(address indexed addr);

    /**
     * @dev Deploys a contract using `CREATE2` and nominates a new address
     * for owner (if set).
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * @param nominee address to be set as nominee (if set)
     * @param bytecode of the contract to deploy
     * @param salt to use for the calculation
     */
    function deploy(
        address nominee,
        bytes memory bytecode,
        bytes32 salt
    ) external payable returns (address) {
        address addr;
        // deploy the contract using `CREATE2`
        assembly {
            addr := create2(0, add(bytecode, 0x20), mload(bytecode), salt)
        }
        require(addr != address(0), "Failed to deploy contract");

        // nominate address if contract is Ownable
        try Ownable(addr).owner() returns (address owner_) {
            if (owner_ == address(this) && nominee != address(0)) {
                Ownable(addr).nominateOwner(nominee);
            }
        } catch {}
        emit ContractDeployed(addr);
        return addr;
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity 0.8.13;

library ExcessivelySafeCall {
    uint constant LOW_28_MASK =
        0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff;

    /// @notice Use when you _really_ really _really_ don't trust the called
    /// contract. This prevents the called contract from causing reversion of
    /// the caller in as many ways as we can.
    /// @dev The main difference between this and a solidity low-level call is
    /// that we limit the number of bytes that the callee can cause to be
    /// copied to caller memory. This prevents stupid things like malicious
    /// contracts returning 10,000,000 bytes causing a local OOG when copying
    /// to memory.
    /// @param _target The address to call
    /// @param _gas The amount of gas to forward to the remote contract
    /// @param _maxCopy The maximum number of bytes of returndata to copy
    /// to memory.
    /// @param _calldata The data to send to the remote contract
    /// @return success and returndata, as `.call()`. Returndata is capped to
    /// `_maxCopy` bytes.
    function excessivelySafeCall(
        address _target,
        uint _gas,
        uint16 _maxCopy,
        bytes memory _calldata
    ) internal returns (bool, bytes memory) {
        // set up for assembly call
        uint _toCopy;
        bool _success;
        bytes memory _returnData = new bytes(_maxCopy);
        // dispatch message to recipient
        // by assembly calling "handle" function
        // we call via assembly to avoid memcopying a very large returndata
        // returned by a malicious contract
        assembly {
            _success := call(
                _gas, // gas
                _target, // recipient
                0, // ether value
                add(_calldata, 0x20), // inloc
                mload(_calldata), // inlen
                0, // outloc
                0 // outlen
            )
            // limit our copy to 256 bytes
            _toCopy := returndatasize()
            if gt(_toCopy, _maxCopy) {
                _toCopy := _maxCopy
            }
            // Store the length of the copied bytes
            mstore(_returnData, _toCopy)
            // copy the bytes from returndata[0:_toCopy]
            returndatacopy(add(_returnData, 0x20), 0, _toCopy)
        }
        return (_success, _returnData);
    }

    /// @notice Use when you _really_ really _really_ don't trust the called
    /// contract. This prevents the called contract from causing reversion of
    /// the caller in as many ways as we can.
    /// @dev The main difference between this and a solidity low-level call is
    /// that we limit the number of bytes that the callee can cause to be
    /// copied to caller memory. This prevents stupid things like malicious
    /// contracts returning 10,000,000 bytes causing a local OOG when copying
    /// to memory.
    /// @param _target The address to call
    /// @param _gas The amount of gas to forward to the remote contract
    /// @param _maxCopy The maximum number of bytes of returndata to copy
    /// to memory.
    /// @param _calldata The data to send to the remote contract
    /// @return success and returndata, as `.call()`. Returndata is capped to
    /// `_maxCopy` bytes.
    function excessivelySafeStaticCall(
        address _target,
        uint _gas,
        uint16 _maxCopy,
        bytes memory _calldata
    ) internal view returns (bool, bytes memory) {
        // set up for assembly call
        uint _toCopy;
        bool _success;
        bytes memory _returnData = new bytes(_maxCopy);
        // dispatch message to recipient
        // by assembly calling "handle" function
        // we call via assembly to avoid memcopying a very large returndata
        // returned by a malicious contract
        assembly {
            _success := staticcall(
                _gas, // gas
                _target, // recipient
                add(_calldata, 0x20), // inloc
                mload(_calldata), // inlen
                0, // outloc
                0 // outlen
            )
            // limit our copy to 256 bytes
            _toCopy := returndatasize()
            if gt(_toCopy, _maxCopy) {
                _toCopy := _maxCopy
            }
            // Store the length of the copied bytes
            mstore(_returnData, _toCopy)
            // copy the bytes from returndata[0:_toCopy]
            returndatacopy(add(_returnData, 0x20), 0, _toCopy)
        }
        return (_success, _returnData);
    }

    /**
     * @notice Swaps function selectors in encoded contract calls
     * @dev Allows reuse of encoded calldata for functions with identical
     * argument types but different names. It simply swaps out the first 4 bytes
     * for the new selector. This function modifies memory in place, and should
     * only be used with caution.
     * @param _newSelector The new 4-byte selector
     * @param _buf The encoded contract args
     */
    function swapSelector(
        bytes4 _newSelector,
        bytes memory _buf
    ) internal pure {
        require(_buf.length >= 4);
        uint _mask = LOW_28_MASK;
        assembly {
            // load the first word of
            let _word := mload(add(_buf, 0x20))
            // mask out the top 4 bytes
            // /x
            _word := and(_word, _mask)
            _word := or(_newSelector, _word)
            mstore(add(_buf, 0x20), _word)
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.8.13;

import "lib/solmate/src/utils/SafeTransferLib.sol";
import "lib/solmate/src/tokens/ERC20.sol";

error ZeroAddress();

/**
 * @title RescueFundsLib
 * @dev A library that provides a function to rescue funds from a contract.
 */

library RescueFundsLib {
    /**
     * @dev The address used to identify ETH.
     */
    address public constant ETH_ADDRESS =
        address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    /**
     * @dev thrown when the given token address don't have any code
     */
    error InvalidTokenAddress();

    /**
     * @dev Rescues funds from a contract.
     * @param token_ The address of the token contract.
     * @param rescueTo_ The address of the user.
     * @param amount_ The amount of tokens to be rescued.
     */
    function rescueFunds(
        address token_,
        address rescueTo_,
        uint256 amount_
    ) internal {
        if (rescueTo_ == address(0)) revert ZeroAddress();

        if (token_ == ETH_ADDRESS) {
            SafeTransferLib.safeTransferETH(rescueTo_, amount_);
        } else {
            if (token_.code.length == 0) revert InvalidTokenAddress();
            SafeTransferLib.safeTransfer(ERC20(token_), rescueTo_, amount_);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "lib/solmate/src/tokens/ERC20.sol";
import "../utils/RescueBase.sol";
import "../interfaces/IHook.sol";

/**
 * @title SuperToken
 * @notice An ERC20 contract which enables bridging a token to its sibling chains.
 * @dev This contract implements ISuperTokenOrVault to support message bridging through IMessageBridge compliant contracts.
 */
contract SuperToken is ERC20, RescueBase {
    // for all controller access (mint, burn)
    bytes32 constant CONTROLLER_ROLE = keccak256("CONTROLLER_ROLE");

    /**
     * @notice constructor for creating a new SuperToken.
     * @param name_ token name
     * @param symbol_ token symbol
     * @param decimals_ token decimals (should be same on all chains)
     * @param initialSupplyHolder_ address to which initial supply will be minted
     * @param owner_ owner of this contract
     * @param initialSupply_ initial supply of super token
     */
    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        address initialSupplyHolder_,
        address owner_,
        uint256 initialSupply_
    ) ERC20(name_, symbol_, decimals_) AccessControl(owner_) {
        _mint(initialSupplyHolder_, initialSupply_);
        _grantRole(RESCUE_ROLE, owner_);
    }

    function burn(
        address user_,
        uint256 amount_
    ) external onlyRole(CONTROLLER_ROLE) {
        _burn(user_, amount_);
    }

    function mint(
        address receiver_,
        uint256 amount_
    ) external onlyRole(CONTROLLER_ROLE) {
        _mint(receiver_, amount_);
    }
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.8.13;

import "./YieldTokenBase.sol";
import {IStrategy} from "../../interfaces/IStrategy.sol";
import {IConnector} from "../../interfaces/IConnector.sol";
import {IHook} from "../../interfaces/IHook.sol";

// add shutdown
contract YieldToken is YieldTokenBase {
    using FixedPointMathLib for uint256;

    bytes32 constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 constant HOOK_ROLE = keccak256("HOOK_ROLE");

    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_
    ) YieldTokenBase(name_, symbol_, decimals_) AccessControl(msg.sender) {
        _grantRole(RESCUE_ROLE, msg.sender);
    }

    // move to hook
    // fix to round up and check other cases
    function calculateMintAmount(
        uint256 underlyingAssets_
    ) external view returns (uint256) {
        // total supply -> total shares
        // total yield -> total underlying from all chains
        // yield sent from src chain includes new amount hence subtracted here
        uint256 supply = _totalSupply; // Saves an extra SLOAD if _totalSupply is non-zero.
        return
            supply == 0
                ? underlyingAssets_
                : underlyingAssets_.mulDivDown(
                    supply,
                    totalUnderlyingAssets - underlyingAssets_
                );
    }

    function burn(
        address user_,
        uint256 shares_
    ) external nonReentrant onlyRole(MINTER_ROLE) {
        _burn(user_, shares_);
    }

    // minter role
    function mint(
        address receiver_,
        uint256 amount_
    ) external nonReentrant onlyRole(MINTER_ROLE) {
        _mint(receiver_, amount_);
    }

    // hook role
    function updateTotalUnderlyingAssets(
        uint256 amount_
    ) external onlyRole(HOOK_ROLE) {
        _updateTotalUnderlyingAssets(amount_);
    }

    function _updateTotalUnderlyingAssets(uint256 amount_) internal {
        totalUnderlyingAssets = amount_;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

import "lib/openzeppelin-contracts/contracts/security/ReentrancyGuard.sol";
import {FixedPointMathLib} from "lib/solmate/src/utils/FixedPointMathLib.sol";
import "../../utils/RescueBase.sol";
import "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import {PermitDeadlineExpired, InvalidSigner} from "../../common/Errors.sol";

abstract contract YieldTokenBase is RescueBase, ReentrancyGuard, IERC20 {
    using FixedPointMathLib for uint256;

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal _totalSupply;

    mapping(address => uint256) internal _balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                            YIELD STORAGE
    //////////////////////////////////////////////////////////////*/

    // total yield from all siblings
    uint256 public totalUnderlyingAssets;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(string memory _name, string memory _symbol, uint8 _decimals) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function convertToShares(
        uint256 underlyingAssets
    ) public view virtual returns (uint256) {
        uint256 supply = _totalSupply; // Saves an extra SLOAD if _totalSupply is non-zero.
        return
            supply == 0
                ? underlyingAssets
                : underlyingAssets.mulDivDown(supply, totalUnderlyingAssets);
    }

    function convertToAssets(
        uint256 shares
    ) public view virtual returns (uint256) {
        uint256 supply = _totalSupply; // Saves an extra SLOAD if _totalSupply is non-zero.
        return
            supply == 0
                ? shares
                : shares.mulDivDown(totalUnderlyingAssets, supply);
    }

    function balanceOf(address user_) external view returns (uint256) {
        uint256 balance = _balanceOf[user_];
        if (balance == 0) return 0;
        return convertToAssets(balance);
    }

    // recheck for multi yield
    function totalSupply() external view returns (uint256) {
        if (_totalSupply == 0) return 0;
        return totalUnderlyingAssets;
    }

    function approve(
        address spender_,
        uint256 amount_
    ) public virtual returns (bool) {
        uint256 shares = convertToShares(amount_);
        allowance[msg.sender][spender_] = shares;

        emit Approval(msg.sender, spender_, shares);

        return true;
    }

    function transfer(
        address to_,
        uint256 amount_
    ) public override returns (bool) {
        uint256 sharesToTransfer = convertToShares(amount_);
        _balanceOf[msg.sender] -= sharesToTransfer;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            _balanceOf[to_] += sharesToTransfer;
        }

        emit Transfer(msg.sender, to_, amount_);

        return true;
    }

    // transfer changes shares balance but reduces the amount
    function transferFrom(
        address from_,
        address to_,
        uint256 amount_
    ) public override returns (bool) {
        uint256 sharesToTransfer = convertToShares(amount_);

        uint256 allowed = allowance[from_][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max)
            allowance[from_][msg.sender] = allowed - sharesToTransfer;

        _balanceOf[from_] -= sharesToTransfer;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            _balanceOf[to_] += sharesToTransfer;
        }

        emit Transfer(from_, to_, amount_);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        if (deadline < block.timestamp) revert PermitDeadlineExpired();
        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                convertToShares(value),
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            if (recoveredAddress == address(0) || recoveredAddress != owner)
                revert InvalidSigner();

            allowance[recoveredAddress][spender] = convertToShares(value);
        }

        emit Approval(owner, spender, convertToShares(value));
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return
            block.chainid == INITIAL_CHAIN_ID
                ? INITIAL_DOMAIN_SEPARATOR
                : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256(
                        "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
                    ),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        _totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            _balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        _balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            _totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.8.13;

import "./Ownable.sol";

/**
 * @title AccessControl
 * @dev This abstract contract implements access control mechanism based on roles.
 * Each role can have one or more addresses associated with it, which are granted
 * permission to execute functions with the onlyRole modifier.
 */
abstract contract AccessControl is Ownable {
    /**
     * @dev A mapping of roles to a mapping of addresses to boolean values indicating whether or not they have the role.
     */
    mapping(bytes32 => mapping(address => bool)) private _permits;

    /**
     * @dev Emitted when a role is granted to an address.
     */
    event RoleGranted(bytes32 indexed role, address indexed grantee);

    /**
     * @dev Emitted when a role is revoked from an address.
     */
    event RoleRevoked(bytes32 indexed role, address indexed revokee);

    /**
     * @dev Error message thrown when an address does not have permission to execute a function with onlyRole modifier.
     */
    error NoPermit(bytes32 role);

    /**
     * @dev Constructor that sets the owner of the contract.
     */
    constructor(address owner_) Ownable(owner_) {}

    /**
     * @dev Modifier that restricts access to addresses having roles
     * Throws an error if the caller do not have permit
     */
    modifier onlyRole(bytes32 role) {
        if (!_permits[role][msg.sender]) revert NoPermit(role);
        _;
    }

    /**
     * @dev Checks and reverts if an address do not have a specific role.
     * @param role_ The role to check.
     * @param address_ The address to check.
     */
    function _checkRole(bytes32 role_, address address_) internal virtual {
        if (!_hasRole(role_, address_)) revert NoPermit(role_);
    }

    /**
     * @dev Grants a role to a given address.
     * @param role_ The role to grant.
     * @param grantee_ The address to grant the role to.
     * Emits a RoleGranted event.
     * Can only be called by the owner of the contract.
     */
    function grantRole(
        bytes32 role_,
        address grantee_
    ) external virtual onlyOwner {
        _grantRole(role_, grantee_);
    }

    /**
     * @dev Revokes a role from a given address.
     * @param role_ The role to revoke.
     * @param revokee_ The address to revoke the role from.
     * Emits a RoleRevoked event.
     * Can only be called by the owner of the contract.
     */
    function revokeRole(
        bytes32 role_,
        address revokee_
    ) external virtual onlyOwner {
        _revokeRole(role_, revokee_);
    }

    /**
     * @dev Internal function to grant a role to a given address.
     * @param role_ The role to grant.
     * @param grantee_ The address to grant the role to.
     * Emits a RoleGranted event.
     */
    function _grantRole(bytes32 role_, address grantee_) internal {
        _permits[role_][grantee_] = true;
        emit RoleGranted(role_, grantee_);
    }

    /**
     * @dev Internal function to revoke a role from a given address.
     * @param role_ The role to revoke.
     * @param revokee_ The address to revoke the role from.
     * Emits a RoleRevoked event.
     */
    function _revokeRole(bytes32 role_, address revokee_) internal {
        _permits[role_][revokee_] = false;
        emit RoleRevoked(role_, revokee_);
    }

    /**
     * @dev Checks whether an address has a specific role.
     * @param role_ The role to check.
     * @param address_ The address to check.
     * @return A boolean value indicating whether or not the address has the role.
     */
    function hasRole(
        bytes32 role_,
        address address_
    ) external view returns (bool) {
        return _hasRole(role_, address_);
    }

    function _hasRole(
        bytes32 role_,
        address address_
    ) internal view returns (bool) {
        return _permits[role_][address_];
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 amount
    );

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(string memory _name, string memory _symbol, uint8 _decimals) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(
        address spender,
        uint256 amount
    ) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max)
            allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(
                recoveredAddress != address(0) && recoveredAddress == owner,
                "INVALID_SIGNER"
            );

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return
            block.chainid == INITIAL_CHAIN_ID
                ? INITIAL_DOMAIN_SEPARATOR
                : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256(
                        "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
                    ),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Transfer the ETH and store if it succeeded or not.
            success := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(success, "ETH_TRANSFER_FAILED");
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        ERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(
                freeMemoryPointer,
                0x23b872dd00000000000000000000000000000000000000000000000000000000
            )
            mstore(
                add(freeMemoryPointer, 4),
                and(from, 0xffffffffffffffffffffffffffffffffffffffff)
            ) // Append and mask the "from" argument.
            mstore(
                add(freeMemoryPointer, 36),
                and(to, 0xffffffffffffffffffffffffffffffffffffffff)
            ) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(
                    and(eq(mload(0), 1), gt(returndatasize(), 31)),
                    iszero(returndatasize())
                ),
                // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
            )
        }

        require(success, "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(ERC20 token, address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(
                freeMemoryPointer,
                0xa9059cbb00000000000000000000000000000000000000000000000000000000
            )
            mstore(
                add(freeMemoryPointer, 4),
                and(to, 0xffffffffffffffffffffffffffffffffffffffff)
            ) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(
                    and(eq(mload(0), 1), gt(returndatasize(), 31)),
                    iszero(returndatasize())
                ),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "TRANSFER_FAILED");
    }

    function safeApprove(ERC20 token, address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(
                freeMemoryPointer,
                0x095ea7b300000000000000000000000000000000000000000000000000000000
            )
            mstore(
                add(freeMemoryPointer, 4),
                and(to, 0xffffffffffffffffffffffffffffffffffffffff)
            ) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(
                    and(eq(mload(0), 1), gt(returndatasize(), 31)),
                    iszero(returndatasize())
                ),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "APPROVE_FAILED");
    }
}

error ZeroAddress();

/**
 * @title RescueFundsLib
 * @dev A library that provides a function to rescue funds from a contract.
 */

library RescueFundsLib {
    /**
     * @dev The address used to identify ETH.
     */
    address public constant ETH_ADDRESS =
        address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    /**
     * @dev thrown when the given token address don't have any code
     */
    error InvalidTokenAddress();

    /**
     * @dev Rescues funds from a contract.
     * @param token_ The address of the token contract.
     * @param rescueTo_ The address of the user.
     * @param amount_ The amount of tokens to be rescued.
     */
    function rescueFunds(
        address token_,
        address rescueTo_,
        uint256 amount_
    ) internal {
        if (rescueTo_ == address(0)) revert ZeroAddress();

        if (token_ == ETH_ADDRESS) {
            SafeTransferLib.safeTransferETH(rescueTo_, amount_);
        } else {
            if (token_.code.length == 0) revert InvalidTokenAddress();
            SafeTransferLib.safeTransfer(ERC20(token_), rescueTo_, amount_);
        }
    }
}

/**
 * @title Ownable
 * @dev The Ownable contract provides a simple way to manage ownership of a contract
 * and allows for ownership to be transferred to a nominated address.
 */
abstract contract Ownable {
    address private _owner;
    address private _nominee;

    event OwnerNominated(address indexed nominee);
    event OwnerClaimed(address indexed claimer);

    error OnlyOwner();
    error OnlyNominee();

    /**
     * @dev Sets the contract's owner to the address that is passed to the constructor.
     */
    constructor(address owner_) {
        _claimOwner(owner_);
    }

    /**
     * @dev Modifier that restricts access to only the contract's owner.
     * Throws an error if the caller is not the owner.
     */
    modifier onlyOwner() {
        if (msg.sender != _owner) revert OnlyOwner();
        _;
    }

    /**
     * @dev Returns the current owner of the contract.
     */
    function owner() external view returns (address) {
        return _owner;
    }

    /**
     * @dev Returns the current nominee for ownership of the contract.
     */
    function nominee() external view returns (address) {
        return _nominee;
    }

    /**
     * @dev Allows the current owner to nominate a new owner for the contract.
     * Throws an error if the caller is not the owner.
     * Emits an `OwnerNominated` event with the address of the nominee.
     */
    function nominateOwner(address nominee_) external {
        if (msg.sender != _owner) revert OnlyOwner();
        _nominee = nominee_;
        emit OwnerNominated(_nominee);
    }

    /**
     * @dev Allows the nominated owner to claim ownership of the contract.
     * Throws an error if the caller is not the nominee.
     * Sets the nominated owner as the new owner of the contract.
     * Emits an `OwnerClaimed` event with the address of the new owner.
     */
    function claimOwner() external {
        if (msg.sender != _nominee) revert OnlyNominee();
        _claimOwner(msg.sender);
    }

    /**
     * @dev Internal function that sets the owner of the contract to the specified address
     * and sets the nominee to address(0).
     */
    function _claimOwner(address claimer_) internal {
        _owner = claimer_;
        _nominee = address(0);
        emit OwnerClaimed(claimer_);
    }
}

/**
 * @title AccessControl
 * @dev This abstract contract implements access control mechanism based on roles.
 * Each role can have one or more addresses associated with it, which are granted
 * permission to execute functions with the onlyRole modifier.
 */
abstract contract AccessControl is Ownable {
    /**
     * @dev A mapping of roles to a mapping of addresses to boolean values indicating whether or not they have the role.
     */
    mapping(bytes32 => mapping(address => bool)) private _permits;

    /**
     * @dev Emitted when a role is granted to an address.
     */
    event RoleGranted(bytes32 indexed role, address indexed grantee);

    /**
     * @dev Emitted when a role is revoked from an address.
     */
    event RoleRevoked(bytes32 indexed role, address indexed revokee);

    /**
     * @dev Error message thrown when an address does not have permission to execute a function with onlyRole modifier.
     */
    error NoPermit(bytes32 role);

    /**
     * @dev Constructor that sets the owner of the contract.
     */
    constructor(address owner_) Ownable(owner_) {}

    /**
     * @dev Modifier that restricts access to addresses having roles
     * Throws an error if the caller do not have permit
     */
    modifier onlyRole(bytes32 role) {
        if (!_permits[role][msg.sender]) revert NoPermit(role);
        _;
    }

    /**
     * @dev Checks and reverts if an address do not have a specific role.
     * @param role_ The role to check.
     * @param address_ The address to check.
     */
    function _checkRole(bytes32 role_, address address_) internal virtual {
        if (!_hasRole(role_, address_)) revert NoPermit(role_);
    }

    /**
     * @dev Grants a role to a given address.
     * @param role_ The role to grant.
     * @param grantee_ The address to grant the role to.
     * Emits a RoleGranted event.
     * Can only be called by the owner of the contract.
     */
    function grantRole(
        bytes32 role_,
        address grantee_
    ) external virtual onlyOwner {
        _grantRole(role_, grantee_);
    }

    /**
     * @dev Revokes a role from a given address.
     * @param role_ The role to revoke.
     * @param revokee_ The address to revoke the role from.
     * Emits a RoleRevoked event.
     * Can only be called by the owner of the contract.
     */
    function revokeRole(
        bytes32 role_,
        address revokee_
    ) external virtual onlyOwner {
        _revokeRole(role_, revokee_);
    }

    /**
     * @dev Internal function to grant a role to a given address.
     * @param role_ The role to grant.
     * @param grantee_ The address to grant the role to.
     * Emits a RoleGranted event.
     */
    function _grantRole(bytes32 role_, address grantee_) internal {
        _permits[role_][grantee_] = true;
        emit RoleGranted(role_, grantee_);
    }

    /**
     * @dev Internal function to revoke a role from a given address.
     * @param role_ The role to revoke.
     * @param revokee_ The address to revoke the role from.
     * Emits a RoleRevoked event.
     */
    function _revokeRole(bytes32 role_, address revokee_) internal {
        _permits[role_][revokee_] = false;
        emit RoleRevoked(role_, revokee_);
    }

    /**
     * @dev Checks whether an address has a specific role.
     * @param role_ The role to check.
     * @param address_ The address to check.
     * @return A boolean value indicating whether or not the address has the role.
     */
    function hasRole(
        bytes32 role_,
        address address_
    ) external view returns (bool) {
        return _hasRole(role_, address_);
    }

    function _hasRole(
        bytes32 role_,
        address address_
    ) internal view returns (bool) {
        return _permits[role_][address_];
    }
}

/**
 * @title Base contract for super token and vault
 * @notice It contains relevant execution payload storages.
 * @dev This contract implements Socket's IPlug to enable message bridging and IMessageBridge
 * to support any type of message bridge.
 */
abstract contract RescueBase is AccessControl {
    bytes32 constant RESCUE_ROLE = keccak256("RESCUE_ROLE");

    /**
     * @notice Rescues funds from the contract if they are locked by mistake.
     * @param token_ The address of the token contract.
     * @param rescueTo_ The address where rescued tokens need to be sent.
     * @param amount_ The amount of tokens to be rescued.
     */
    function rescueFunds(
        address token_,
        address rescueTo_,
        uint256 amount_
    ) external onlyRole(RESCUE_ROLE) {
        RescueFundsLib.rescueFunds(token_, rescueTo_, amount_);
    }
}

contract Faucet is RescueBase {
    using SafeTransferLib for ERC20;

    constructor() AccessControl(msg.sender) {
        _grantRole(RESCUE_ROLE, msg.sender);
    }

    function getTokens(address receiver_, address[] calldata tokens_) external {
        for (uint256 i = 0; i < tokens_.length; i++) {
            ERC20 token = ERC20(tokens_[i]);
            uint256 amount = 10 ** token.decimals() * 1000;
            token.safeTransfer(receiver_, amount);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;
import "../common/Structs.sol";

abstract contract Gauge {
    error AmountOutsideLimit();

    function _getCurrentLimit(
        LimitParams storage _params
    ) internal view returns (uint256 _limit) {
        uint256 timeElapsed = block.timestamp - _params.lastUpdateTimestamp;
        uint256 limitIncrease = timeElapsed * _params.ratePerSecond;

        if (limitIncrease + _params.lastUpdateLimit > _params.maxLimit) {
            _limit = _params.maxLimit;
        } else {
            _limit = limitIncrease + _params.lastUpdateLimit;
        }
    }

    function _consumePartLimit(
        uint256 amount_,
        LimitParams storage _params
    ) internal returns (uint256 consumedAmount, uint256 pendingAmount) {
        uint256 currentLimit = _getCurrentLimit(_params);
        _params.lastUpdateTimestamp = block.timestamp;
        if (currentLimit >= amount_) {
            _params.lastUpdateLimit = currentLimit - amount_;
            consumedAmount = amount_;
            pendingAmount = 0;
        } else {
            _params.lastUpdateLimit = 0;
            consumedAmount = currentLimit;
            pendingAmount = amount_ - currentLimit;
        }
    }

    function _consumeFullLimit(
        uint256 amount_,
        LimitParams storage _params
    ) internal {
        uint256 currentLimit = _getCurrentLimit(_params);
        if (currentLimit >= amount_) {
            _params.lastUpdateTimestamp = block.timestamp;
            _params.lastUpdateLimit = currentLimit - amount_;
        } else {
            revert AmountOutsideLimit();
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.8.13;

/**
 * @title Ownable
 * @dev The Ownable contract provides a simple way to manage ownership of a contract
 * and allows for ownership to be transferred to a nominated address.
 */
abstract contract Ownable {
    address private _owner;
    address private _nominee;

    event OwnerNominated(address indexed nominee);
    event OwnerClaimed(address indexed claimer);

    error OnlyOwner();
    error OnlyNominee();

    /**
     * @dev Sets the contract's owner to the address that is passed to the constructor.
     */
    constructor(address owner_) {
        _claimOwner(owner_);
    }

    /**
     * @dev Modifier that restricts access to only the contract's owner.
     * Throws an error if the caller is not the owner.
     */
    modifier onlyOwner() {
        if (msg.sender != _owner) revert OnlyOwner();
        _;
    }

    /**
     * @dev Returns the current owner of the contract.
     */
    function owner() external view returns (address) {
        return _owner;
    }

    /**
     * @dev Returns the current nominee for ownership of the contract.
     */
    function nominee() external view returns (address) {
        return _nominee;
    }

    /**
     * @dev Allows the current owner to nominate a new owner for the contract.
     * Throws an error if the caller is not the owner.
     * Emits an `OwnerNominated` event with the address of the nominee.
     */
    function nominateOwner(address nominee_) external {
        if (msg.sender != _owner) revert OnlyOwner();
        _nominee = nominee_;
        emit OwnerNominated(_nominee);
    }

    /**
     * @dev Allows the nominated owner to claim ownership of the contract.
     * Throws an error if the caller is not the nominee.
     * Sets the nominated owner as the new owner of the contract.
     * Emits an `OwnerClaimed` event with the address of the new owner.
     */
    function claimOwner() external {
        if (msg.sender != _nominee) revert OnlyNominee();
        _claimOwner(msg.sender);
    }

    /**
     * @dev Internal function that sets the owner of the contract to the specified address
     * and sets the nominee to address(0).
     */
    function _claimOwner(address claimer_) internal {
        _owner = claimer_;
        _nominee = address(0);
        emit OwnerClaimed(claimer_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;
import {RescueFundsLib} from "../libraries/RescueFundsLib.sol";
import {AccessControl} from "./AccessControl.sol";

/**
 * @title Base contract for super token and vault
 * @notice It contains relevant execution payload storages.
 * @dev This contract implements Socket's IPlug to enable message bridging and IMessageBridge
 * to support any type of message bridge.
 */
abstract contract RescueBase is AccessControl {
    bytes32 constant RESCUE_ROLE = keccak256("RESCUE_ROLE");

    /**
     * @notice Rescues funds from the contract if they are locked by mistake.
     * @param token_ The address of the token contract.
     * @param rescueTo_ The address where rescued tokens need to be sent.
     * @param amount_ The amount of tokens to be rescued.
     */
    function rescueFunds(
        address token_,
        address rescueTo_,
        uint256 amount_
    ) external onlyRole(RESCUE_ROLE) {
        RescueFundsLib.rescueFunds(token_, rescueTo_, amount_);
    }
}

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

pragma solidity ^0.8.0;

/**
 * @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 ReentrancyGuard {
    // 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;

    constructor() {
        _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;
    }
}

// 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 v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Arithmetic library with operations for fixed-point numbers.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol)
/// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol)
library FixedPointMathLib {
    /*//////////////////////////////////////////////////////////////
                    SIMPLIFIED FIXED POINT OPERATIONS
    //////////////////////////////////////////////////////////////*/

    uint256 internal constant MAX_UINT256 = 2**256 - 1;

    uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s.

    function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivDown(x, y, WAD); // Equivalent to (x * y) / WAD rounded down.
    }

    function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up.
    }

    function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down.
    }

    function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
        return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up.
    }

    /*//////////////////////////////////////////////////////////////
                    LOW LEVEL FIXED POINT OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function mulDivDown(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))
            if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
                revert(0, 0)
            }

            // Divide x * y by the denominator.
            z := div(mul(x, y), denominator)
        }
    }

    function mulDivUp(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))
            if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
                revert(0, 0)
            }

            // If x * y modulo the denominator is strictly greater than 0,
            // 1 is added to round up the division of x * y by the denominator.
            z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))
        }
    }

    function rpow(
        uint256 x,
        uint256 n,
        uint256 scalar
    ) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            switch x
            case 0 {
                switch n
                case 0 {
                    // 0 ** 0 = 1
                    z := scalar
                }
                default {
                    // 0 ** n = 0
                    z := 0
                }
            }
            default {
                switch mod(n, 2)
                case 0 {
                    // If n is even, store scalar in z for now.
                    z := scalar
                }
                default {
                    // If n is odd, store x in z for now.
                    z := x
                }

                // Shifting right by 1 is like dividing by 2.
                let half := shr(1, scalar)

                for {
                    // Shift n right by 1 before looping to halve it.
                    n := shr(1, n)
                } n {
                    // Shift n right by 1 each iteration to halve it.
                    n := shr(1, n)
                } {
                    // Revert immediately if x ** 2 would overflow.
                    // Equivalent to iszero(eq(div(xx, x), x)) here.
                    if shr(128, x) {
                        revert(0, 0)
                    }

                    // Store x squared.
                    let xx := mul(x, x)

                    // Round to the nearest number.
                    let xxRound := add(xx, half)

                    // Revert if xx + half overflowed.
                    if lt(xxRound, xx) {
                        revert(0, 0)
                    }

                    // Set x to scaled xxRound.
                    x := div(xxRound, scalar)

                    // If n is even:
                    if mod(n, 2) {
                        // Compute z * x.
                        let zx := mul(z, x)

                        // If z * x overflowed:
                        if iszero(eq(div(zx, x), z)) {
                            // Revert if x is non-zero.
                            if iszero(iszero(x)) {
                                revert(0, 0)
                            }
                        }

                        // Round to the nearest number.
                        let zxRound := add(zx, half)

                        // Revert if zx + half overflowed.
                        if lt(zxRound, zx) {
                            revert(0, 0)
                        }

                        // Return properly scaled zxRound.
                        z := div(zxRound, scalar)
                    }
                }
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                        GENERAL NUMBER UTILITIES
    //////////////////////////////////////////////////////////////*/

    function sqrt(uint256 x) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            let y := x // We start y at x, which will help us make our initial estimate.

            z := 181 // The "correct" value is 1, but this saves a multiplication later.

            // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad
            // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.

            // We check y >= 2^(k + 8) but shift right by k bits
            // each branch to ensure that if x >= 256, then y >= 256.
            if iszero(lt(y, 0x10000000000000000000000000000000000)) {
                y := shr(128, y)
                z := shl(64, z)
            }
            if iszero(lt(y, 0x1000000000000000000)) {
                y := shr(64, y)
                z := shl(32, z)
            }
            if iszero(lt(y, 0x10000000000)) {
                y := shr(32, y)
                z := shl(16, z)
            }
            if iszero(lt(y, 0x1000000)) {
                y := shr(16, y)
                z := shl(8, z)
            }

            // Goal was to get z*z*y within a small factor of x. More iterations could
            // get y in a tighter range. Currently, we will have y in [256, 256*2^16).
            // We ensured y >= 256 so that the relative difference between y and y+1 is small.
            // That's not possible if x < 256 but we can just verify those cases exhaustively.

            // Now, z*z*y <= x < z*z*(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256.
            // Correctness can be checked exhaustively for x < 256, so we assume y >= 256.
            // Then z*sqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps.

            // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range
            // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256.

            // Since y is in [256, 256*2^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate
            // sqrt(y) using sqrt(65536) * 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18.

            // There is no overflow risk here since y < 2^136 after the first branch above.
            z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181.

            // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))
            z := shr(1, add(z, div(x, z)))

            // If x+1 is a perfect square, the Babylonian method cycles between
            // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor.
            // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division
            // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case.
            // If you don't care whether the floor or ceil square root is returned, you can remove this statement.
            z := sub(z, lt(div(x, z), z))
        }
    }

    function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Mod x by y. Note this will return
            // 0 instead of reverting if y is zero.
            z := mod(x, y)
        }
    }

    function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {
        /// @solidity memory-safe-assembly
        assembly {
            // Divide x by y. Note this will return
            // 0 instead of reverting if y is zero.
            r := div(x, y)
        }
    }

    function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {
        /// @solidity memory-safe-assembly
        assembly {
            // Add 1 to x * y if x % y > 0. Note this will
            // return 0 instead of reverting if y is zero.
            z := add(gt(mod(x, y), 0), div(x, y))
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Gas optimized reentrancy protection for smart contracts.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol)
abstract contract ReentrancyGuard {
    uint256 private locked = 1;

    modifier nonReentrant() virtual {
        require(locked == 1, "REENTRANCY");

        locked = 2;

        _;

        locked = 1;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

import {ERC20} from "../tokens/ERC20.sol";

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Transfer the ETH and store if it succeeded or not.
            success := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(success, "ETH_TRANSFER_FAILED");
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        ERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "from" argument.
            mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
            )
        }

        require(success, "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "TRANSFER_FAILED");
    }

    function safeApprove(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "APPROVE_FAILED");
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IHook","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"identifierCache","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nominee_","type":"address"}],"name":"nominateOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nominee","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"siblingChainSlug_","type":"uint32"},{"internalType":"bytes","name":"payload_","type":"bytes"}],"name":"receiveInbound","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token_","type":"address"},{"internalType":"address","name":"rescueTo_","type":"address"},{"internalType":"uint256","name":"amount_","type":"uint256"}],"name":"rescueFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"connector_","type":"address"},{"internalType":"bytes32","name":"messageId_","type":"bytes32"}],"name":"retry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role_","type":"bytes32"},{"internalType":"address","name":"revokee_","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"connectors","type":"address[]"},{"internalType":"bool[]","name":"statuses","type":"bool[]"}],"name":"updateConnectorStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"hook_","type":"address"},{"internalType":"bool","name":"approve_","type":"bool"}],"name":"updateHook","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"validConnectors","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000cd5fe23c85820f7b72d0926fc9b05b43e359b7ee

-----Decoded View---------------
Arg [0] : token_ (address): 0xCd5fE23C85820F7B72D0926FC9b05b43E359b7ee

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000cd5fe23c85820f7b72d0926fc9b05b43e359b7ee