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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

import { ILiFi } from "../Interfaces/ILiFi.sol";
import { LibAsset, IERC20 } from "../Libraries/LibAsset.sol";
import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import { LibSwap } from "../Libraries/LibSwap.sol";
import { ReentrancyGuard } from "../Helpers/ReentrancyGuard.sol";
import { SwapperV2 } from "../Helpers/SwapperV2.sol";
import { Validatable } from "../Helpers/Validatable.sol";
import { IMayan } from "../Interfaces/IMayan.sol";
import { LiFiData } from "../Helpers/LiFiData.sol";
import { InvalidConfig, InvalidNonEVMReceiver } from "../Errors/GenericErrors.sol";

/// @title Mayan Facet
/// @author LI.FI (https://li.fi)
/// @notice Provides functionality for bridging through Mayan Bridge
/// @custom:version 1.2.2
contract MayanFacet is
    ILiFi,
    ReentrancyGuard,
    SwapperV2,
    Validatable,
    LiFiData
{
    /// Storage ///

    bytes32 internal constant NAMESPACE = keccak256("com.lifi.facets.mayan");

    IMayan public immutable MAYAN;

    /// @dev Mayan specific bridge data
    /// @param nonEVMReceiver The address of the non-EVM receiver if applicable
    /// @param mayanProtocol The address of the Mayan protocol final contract
    /// @param protocolData The protocol data for the Mayan protocol
    struct MayanData {
        bytes32 nonEVMReceiver;
        address mayanProtocol;
        bytes protocolData;
    }

    /// Errors ///
    error InvalidReceiver(address expected, address actual);
    error ProtocolDataTooShort();

    /// Constructor ///

    /// @notice Constructor for the contract.
    constructor(IMayan _mayan) {
        if (address(_mayan) == address(0)) revert InvalidConfig();

        MAYAN = _mayan;
    }

    /// External Methods ///

    /// @notice Bridges tokens via Mayan
    /// @param _bridgeData The core information needed for bridging
    /// @param _mayanData Data specific to Mayan
    function startBridgeTokensViaMayan(
        ILiFi.BridgeData memory _bridgeData,
        MayanData calldata _mayanData
    )
        external
        payable
        nonReentrant
        refundExcessNative(payable(msg.sender))
        validateBridgeData(_bridgeData)
        doesNotContainSourceSwaps(_bridgeData)
        doesNotContainDestinationCalls(_bridgeData)
    {
        LibAsset.depositAsset(
            _bridgeData.sendingAssetId,
            _bridgeData.minAmount
        );

        if (LibAsset.isNativeAsset(_bridgeData.sendingAssetId)) {
            // Normalize the amount to 8 decimals
            _bridgeData.minAmount = _normalizeAmount(
                _bridgeData.minAmount,
                18
            );
        }

        _startBridge(_bridgeData, _mayanData);
    }

    /// @notice Performs a swap before bridging via Mayan
    /// @param _bridgeData The core information needed for bridging
    /// @param _swapData An array of swap related data for performing swaps before bridging
    /// @param _mayanData Data specific to Mayan
    function swapAndStartBridgeTokensViaMayan(
        ILiFi.BridgeData memory _bridgeData,
        LibSwap.SwapData[] calldata _swapData,
        MayanData memory _mayanData
    )
        external
        payable
        nonReentrant
        refundExcessNative(payable(msg.sender))
        containsSourceSwaps(_bridgeData)
        doesNotContainDestinationCalls(_bridgeData)
        validateBridgeData(_bridgeData)
    {
        _bridgeData.minAmount = _depositAndSwap(
            _bridgeData.transactionId,
            _bridgeData.minAmount,
            _swapData,
            payable(msg.sender)
        );

        uint256 decimals;
        bool isNative = LibAsset.isNativeAsset(_bridgeData.sendingAssetId);
        decimals = isNative
            ? 18
            : ERC20(_bridgeData.sendingAssetId).decimals();

        // Normalize the amount to 8 decimals
        _bridgeData.minAmount = _normalizeAmount(
            _bridgeData.minAmount,
            uint8(decimals)
        );

        // Native values are not passed as calldata
        if (!isNative) {
            // Update the protocol data with the new input amount
            _mayanData.protocolData = _replaceInputAmount(
                _mayanData.protocolData,
                _bridgeData.minAmount
            );
        }

        _startBridge(_bridgeData, _mayanData);
    }

    /// Internal Methods ///

    /// @dev Contains the business logic for the bridge via Mayan
    /// @param _bridgeData The core information needed for bridging
    /// @param _mayanData Data specific to Mayan
    function _startBridge(
        ILiFi.BridgeData memory _bridgeData,
        MayanData memory _mayanData
    ) internal {
        // Validate receiver address
        if (_bridgeData.receiver == NON_EVM_ADDRESS) {
            if (_mayanData.nonEVMReceiver == bytes32(0)) {
                revert InvalidNonEVMReceiver();
            }
            bytes32 receiver = _parseReceiver(_mayanData.protocolData);
            if (_mayanData.nonEVMReceiver != receiver) {
                revert InvalidNonEVMReceiver();
            }
        } else {
            address receiver = address(
                uint160(uint256(_parseReceiver(_mayanData.protocolData)))
            );
            if (_bridgeData.receiver != receiver) {
                revert InvalidReceiver(_bridgeData.receiver, receiver);
            }
        }

        IMayan.PermitParams memory emptyPermitParams;

        if (!LibAsset.isNativeAsset(_bridgeData.sendingAssetId)) {
            LibAsset.maxApproveERC20(
                IERC20(_bridgeData.sendingAssetId),
                address(MAYAN),
                _bridgeData.minAmount
            );

            MAYAN.forwardERC20(
                _bridgeData.sendingAssetId,
                _bridgeData.minAmount,
                emptyPermitParams,
                _mayanData.mayanProtocol,
                _mayanData.protocolData
            );
        } else {
            MAYAN.forwardEth{ value: _bridgeData.minAmount }(
                _mayanData.mayanProtocol,
                _mayanData.protocolData
            );
        }

        if (_bridgeData.receiver == NON_EVM_ADDRESS) {
            emit BridgeToNonEVMChainBytes32(
                _bridgeData.transactionId,
                _bridgeData.destinationChainId,
                _mayanData.nonEVMReceiver
            );
        }

        emit LiFiTransferStarted(_bridgeData);
    }

    // @dev Parses the receiver address from the protocol data
    // @param protocolData The protocol data for the Mayan protocol
    // @return receiver The receiver address
    function _parseReceiver(
        bytes memory protocolData
    ) internal pure returns (bytes32 receiver) {
        bytes4 selector;
        assembly {
            // Load the selector from the protocol data
            selector := mload(add(protocolData, 0x20))
            // Shift the selector to the right by 224 bits to match shape of literal in switch statement
            let shiftedSelector := shr(224, selector)
            switch shiftedSelector
            // Note: [*bytes32*] = location of receiver address
            case 0x94454a5d {
                // 0x94454a5d bridgeWithFee(address,uint256,uint64,uint64,[*bytes32*],(uint32,bytes32,bytes32))
                receiver := mload(add(protocolData, 0xa4)) // MayanCircle::bridgeWithFee()
            }
            case 0x32ad465f {
                // 0x32ad465f bridgeWithLockedFee(address,uint256,uint64,uint256,(uint32,[*bytes32*],bytes32))
                receiver := mload(add(protocolData, 0xc4)) // MayanCircle::bridgeWithLockedFee()
            }
            case 0xafd9b706 {
                // 0xafd9b706 createOrder((address,uint256,uint64,[*bytes32*],uint16,bytes32,uint64,uint64,uint64,bytes32,uint8),(uint32,bytes32,bytes32))
                receiver := mload(add(protocolData, 0x84)) // MayanCircle::createOrder()
            }
            case 0x6111ad25 {
                // 0x6111ad25 swap((uint64,uint64,uint64),(bytes32,uint16,bytes32,[*bytes32*],uint16,bytes32,bytes32),bytes32,uint16,(uint256,uint64,uint64,bool,uint64,bytes),address,uint256)
                receiver := mload(add(protocolData, 0xe4)) // MayanSwap::swap()
            }
            case 0x1eb1cff0 {
                // 0x1eb1cff0 wrapAndSwapETH((uint64,uint64,uint64),(bytes32,uint16,bytes32,[*bytes32*],uint16,bytes32,bytes32),bytes32,uint16,(uint256,uint64,uint64,bool,uint64,bytes))
                receiver := mload(add(protocolData, 0xe4)) // MayanSwap::wrapAndSwapETH()
            }
            case 0xb866e173 {
                // 0xb866e173 createOrderWithEth((bytes32,bytes32,uint64,uint64,uint64,uint64,uint64,[*bytes32*],uint16,bytes32,uint8,uint8,bytes32))
                receiver := mload(add(protocolData, 0x104)) // MayanSwift::createOrderWithEth()
            }
            case 0x8e8d142b {
                // 0x8e8d142b createOrderWithToken(address,uint256,(bytes32,bytes32,uint64,uint64,uint64,uint64,uint64,[*bytes32*],uint16,bytes32,uint8,uint8,bytes32))
                receiver := mload(add(protocolData, 0x144)) // MayanSwift::createOrderWithToken()
            }
            case 0x1c59b7fc {
                // 0x1c59b7fc MayanCircle::createOrder((address,uint256,uint64,bytes32,uint16,bytes32,uint64,uint64,uint64,bytes32,uint8))
                receiver := mload(add(protocolData, 0x84))
            }
            case 0x9be95bb4 {
                // 0x9be95bb4 MayanCircle::bridgeWithLockedFee(address,uint256,uint64,uint256,uint32,bytes32)
                receiver := mload(add(protocolData, 0xc4))
            }
            case 0x2072197f {
                // 0x2072197f MayanCircle::bridgeWithFee(address,uint256,uint64,uint64,bytes32,uint32,uint8,bytes)
                receiver := mload(add(protocolData, 0xa4))
            }
            case 0xf58b6de8 {
                // 0xf58b6de8 FastMCTP::bridge(address,uint256,uint64,uint256,uint64,[*bytes32*],uint32,bytes32,uint8,uint8,uint32,bytes)
                receiver := mload(add(protocolData, 0xc4))
            }
            case 0x2337e236 {
                // 0x2337e236 FastMCTP::createOrder(address,uint256,uint256,uint32,uint32,(bytes32,[*bytes32*],uint64,uint64,uint64,uint64,uint64,bytes32,uint16,bytes32,uint8,uint8,bytes32))
                receiver := mload(add(protocolData, 0xe4))
            }
            case 0xe27dce37 {
                // 0xe27dce37 HCDepositInitiator::deposit(address,uint256,address,uint64,uint256,uint256,(uint64,([*address*],uint256,uint256,(bytes32,bytes32,uint8))))
                // @notice Important behavior regarding permits and receivers in Mayan bridge for Hypercore:
                // 1. The DepositPayload struct (tuple) only contains permit data, with no separate receiver field
                // 2. The permit signer in DepositPayload struct (not the trader (3rd argument)) is who receives the bridged funds
                // 3. While technically possible to bridge to a different receiver, it requires having that receiver's permit
                //
                // Implementation note:
                // Due to these constraints, the sender must act as the receiver
                // since they need to provide their own permit. This limitation is handled at the backend level
                // by disabling the option to specify a different receiver.
                //
                receiver := mload(add(protocolData, 0xe4))
            }
            case 0x4d1ed73b {
                // 0x4d1ed73b HCDepositInitiator::fastDeposit(address,uint256,address,uint256,uint64,bytes32,uint8,uint32,uint256,(uint64,([*address*],uint256,uint256,(bytes32,bytes32,uint8))))
                // @notice Important behavior regarding permits and receivers in Mayan bridge for Hypercore:
                // 1. The DepositPayload struct (tuple) only contains permit data, with no separate receiver field
                // 2. The permit signer in DepositPayload struct (not the trader (3rd argument)) is who receives the bridged funds
                // 3. While technically possible to bridge to a different receiver, it requires having that receiver's permit
                //
                // Implementation note:
                // Due to these constraints, the sender must act as the receiver
                // since they need to provide their own permit. This limitation is handled at the backend level
                // by disabling the option to specify a different receiver.
                //
                receiver := mload(add(protocolData, 0x164))
            }
            default {
                receiver := 0x0
            }
        }
    }

    // @dev Normalizes the amount to 8 decimals
    // @param amount The amount to normalize
    // @param decimals The number of decimals in the asset
    function _normalizeAmount(
        uint256 amount,
        uint8 decimals
    ) internal pure returns (uint256) {
        if (decimals > 8) {
            amount /= 10 ** (decimals - 8);
            amount *= 10 ** (decimals - 8);
        }
        return amount;
    }

    // @dev Replaces the input amount in the protocol data
    // @param protocolData The protocol data for the Mayan protocol
    // @param inputAmount The new input amount
    // @return modifiedData The modified protocol data
    function _replaceInputAmount(
        bytes memory protocolData,
        uint256 inputAmount
    ) internal pure returns (bytes memory) {
        if (protocolData.length < 68) {
            revert ProtocolDataTooShort();
        }

        bytes memory modifiedData = new bytes(protocolData.length);
        bytes4 functionSelector = bytes4(protocolData[0]) |
            (bytes4(protocolData[1]) >> 8) |
            (bytes4(protocolData[2]) >> 16) |
            (bytes4(protocolData[3]) >> 24);

        uint256 amountIndex;
        // Only the wh swap method has the amount as last argument
        bytes4 swapSelector = 0x6111ad25;
        if (functionSelector == swapSelector) {
            amountIndex = protocolData.length - 256;
        } else {
            amountIndex = 36;
        }

        // Copy the function selector and params before amount in
        for (uint256 i = 0; i < amountIndex; i++) {
            modifiedData[i] = protocolData[i];
        }

        // Encode the amount and place it into the modified call data
        bytes memory encodedAmount = abi.encode(inputAmount);
        for (uint256 i = 0; i < 32; i++) {
            modifiedData[i + amountIndex] = encodedAmount[i];
        }

        // Copy the rest of the original data after the input argument
        for (uint256 i = amountIndex + 32; i < protocolData.length; i++) {
            modifiedData[i] = protocolData[i];
        }

        return modifiedData;
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

/// @title ILiFi
/// @author LI.FI (https://li.fi)
/// @custom:version 1.0.1
interface ILiFi {
    /// Structs ///

    struct BridgeData {
        bytes32 transactionId;
        string bridge;
        string integrator;
        address referrer;
        address sendingAssetId;
        address receiver;
        uint256 minAmount;
        uint256 destinationChainId;
        bool hasSourceSwaps;
        bool hasDestinationCall;
    }

    /// Events ///

    event LiFiTransferStarted(ILiFi.BridgeData bridgeData);

    event LiFiTransferCompleted(
        bytes32 indexed transactionId,
        address receivingAssetId,
        address receiver,
        uint256 amount,
        uint256 timestamp
    );

    event LiFiTransferRecovered(
        bytes32 indexed transactionId,
        address receivingAssetId,
        address receiver,
        uint256 amount,
        uint256 timestamp
    );

    event LiFiGenericSwapCompleted(
        bytes32 indexed transactionId,
        string integrator,
        string referrer,
        address receiver,
        address fromAssetId,
        address toAssetId,
        uint256 fromAmount,
        uint256 toAmount
    );

    // this event is emitted when a bridge transction is initiated to a non-EVM chain
    event BridgeToNonEVMChain(
        bytes32 indexed transactionId,
        uint256 indexed destinationChainId,
        bytes receiver
    );
    event BridgeToNonEVMChainBytes32(
        bytes32 indexed transactionId,
        uint256 indexed destinationChainId,
        bytes32 receiver
    );

    // Deprecated but kept here to include in ABI to parse historic events
    event LiFiSwappedGeneric(
        bytes32 indexed transactionId,
        string integrator,
        string referrer,
        address fromAssetId,
        address toAssetId,
        uint256 fromAmount,
        uint256 toAmount
    );
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.17;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { LibSwap } from "./LibSwap.sol";
import { SafeTransferLib } from "solady/utils/SafeTransferLib.sol";

// solhint-disable-next-line max-line-length
import { InvalidReceiver, NullAddrIsNotAValidSpender, InvalidAmount, NullAddrIsNotAnERC20Token } from "../Errors/GenericErrors.sol";

/// @title LibAsset
/// @custom:version 2.1.1
/// @author LI.FI (https://li.fi)
/// @notice This library contains helpers for dealing with onchain transfers
///         of assets, including accounting for the native asset `assetId`
///         conventions and any noncompliant ERC20 transfers
library LibAsset {
    using SafeTransferLib for address;
    using SafeTransferLib for address payable;

    /// @dev All native assets use the empty address for their asset id
    ///      by convention
    address internal constant NULL_ADDRESS = address(0);

    /// @dev EIP-7702 delegation designator prefix for Account Abstraction
    bytes3 internal constant DELEGATION_DESIGNATOR = 0xef0100;

    /// @notice Gets the balance of the inheriting contract for the given asset
    /// @param assetId The asset identifier to get the balance of
    /// @return Balance held by contracts using this library (returns 0 if assetId does not exist)
    function getOwnBalance(address assetId) internal view returns (uint256) {
        return
            isNativeAsset(assetId)
                ? address(this).balance
                : assetId.balanceOf(address(this));
    }

    /// @notice Wrapper function to transfer a given asset (native or erc20) to
    ///         some recipient. Should handle all non-compliant return value
    ///         tokens as well by using the SafeERC20 contract by open zeppelin.
    /// @param assetId Asset id for transfer (address(0) for native asset,
    ///                token address for erc20s)
    /// @param recipient Address to send asset to
    /// @param amount Amount to send to given recipient
    function transferAsset(
        address assetId,
        address payable recipient,
        uint256 amount
    ) internal {
        if (isNativeAsset(assetId)) {
            transferNativeAsset(recipient, amount);
        } else {
            transferERC20(assetId, recipient, amount);
        }
    }

    /// @notice Transfers ether from the inheriting contract to a given
    ///         recipient
    /// @param recipient Address to send ether to
    /// @param amount Amount to send to given recipient
    function transferNativeAsset(
        address payable recipient,
        uint256 amount
    ) private {
        // make sure a meaningful receiver address was provided
        if (recipient == NULL_ADDRESS) revert InvalidReceiver();

        // transfer native asset (will revert if target reverts or contract has insufficient balance)
        recipient.safeTransferETH(amount);
    }

    /// @notice Transfers tokens from the inheriting contract to a given recipient
    /// @param assetId Token address to transfer
    /// @param recipient Address to send tokens to
    /// @param amount Amount to send to given recipient
    function transferERC20(
        address assetId,
        address recipient,
        uint256 amount
    ) private {
        // make sure a meaningful receiver address was provided
        if (recipient == NULL_ADDRESS) {
            revert InvalidReceiver();
        }

        // transfer ERC20 assets (will revert if target reverts or contract has insufficient balance)
        assetId.safeTransfer(recipient, amount);
    }

    /// @notice Transfers tokens from a sender to a given recipient
    /// @param assetId Token address to transfer
    /// @param from Address of sender/owner
    /// @param recipient Address of recipient/spender
    /// @param amount Amount to transfer from owner to spender
    function transferFromERC20(
        address assetId,
        address from,
        address recipient,
        uint256 amount
    ) internal {
        // check if native asset
        if (isNativeAsset(assetId)) {
            revert NullAddrIsNotAnERC20Token();
        }

        // make sure a meaningful receiver address was provided
        if (recipient == NULL_ADDRESS) {
            revert InvalidReceiver();
        }

        // transfer ERC20 assets (will revert if target reverts or contract has insufficient balance)
        assetId.safeTransferFrom(from, recipient, amount);
    }

    /// @notice Pulls tokens from msg.sender
    /// @param assetId Token address to transfer
    /// @param amount Amount to transfer from owner
    function depositAsset(address assetId, uint256 amount) internal {
        // make sure a meaningful amount was provided
        if (amount == 0) revert InvalidAmount();

        // check if native asset
        if (isNativeAsset(assetId)) {
            // ensure msg.value is equal or greater than amount
            if (msg.value < amount) revert InvalidAmount();
        } else {
            // transfer ERC20 assets (will revert if target reverts or contract has insufficient balance)
            assetId.safeTransferFrom(msg.sender, address(this), amount);
        }
    }

    function depositAssets(LibSwap.SwapData[] calldata swaps) internal {
        for (uint256 i = 0; i < swaps.length; ) {
            LibSwap.SwapData calldata swap = swaps[i];
            if (swap.requiresDeposit) {
                depositAsset(swap.sendingAssetId, swap.fromAmount);
            }
            unchecked {
                i++;
            }
        }
    }

    /// @notice If the current allowance is insufficient, the allowance for a given spender
    ///         is set to MAX_UINT.
    /// @param assetId Token address to transfer
    /// @param spender Address to give spend approval to
    /// @param amount allowance amount required for current transaction
    function maxApproveERC20(
        IERC20 assetId,
        address spender,
        uint256 amount
    ) internal {
        approveERC20(assetId, spender, amount, type(uint256).max);
    }

    /// @notice If the current allowance is insufficient, the allowance for a given spender
    ///         is set to the amount provided
    /// @param assetId Token address to transfer
    /// @param spender Address to give spend approval to
    /// @param requiredAllowance Allowance required for current transaction
    /// @param setAllowanceTo The amount the allowance should be set to if current allowance is insufficient
    function approveERC20(
        IERC20 assetId,
        address spender,
        uint256 requiredAllowance,
        uint256 setAllowanceTo
    ) internal {
        if (isNativeAsset(address(assetId))) {
            return;
        }

        // make sure a meaningful spender address was provided
        if (spender == NULL_ADDRESS) {
            revert NullAddrIsNotAValidSpender();
        }

        // check if allowance is sufficient, otherwise set allowance to provided amount
        // If the initial attempt to approve fails, attempts to reset the approved amount to zero,
        // then retries the approval again (some tokens, e.g. USDT, requires this).
        // Reverts upon failure
        if (assetId.allowance(address(this), spender) < requiredAllowance) {
            address(assetId).safeApproveWithRetry(spender, setAllowanceTo);
        }
    }

    /// @notice Determines whether the given assetId is the native asset
    /// @param assetId The asset identifier to evaluate
    /// @return Boolean indicating if the asset is the native asset
    function isNativeAsset(address assetId) internal pure returns (bool) {
        return assetId == NULL_ADDRESS;
    }

    /// @notice Checks if the given address is a contract
    ///         Returns true for any account with runtime code (excluding EIP-7702 accounts).
    ///         For EIP-7702 accounts, checks if code size is exactly 23 bytes (delegation format).
    ///         Limitations:
    ///         - Cannot distinguish between EOA and self-destructed contract
    /// @param account The address to be checked
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }

        // Return true only for regular contracts (size > 23)
        // EIP-7702 delegated accounts (size == 23) are still EOAs, not contracts
        return size > 23;
    }
}

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

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

import { LibAsset } from "./LibAsset.sol";
import { LibUtil } from "./LibUtil.sol";
import { InvalidContract, NoSwapFromZeroBalance } from "../Errors/GenericErrors.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @title LibSwap
/// @custom:version 1.1.0
/// @notice This library contains functionality to execute mostly swaps but also
///         other calls such as fee collection, token wrapping/unwrapping or
///         sending gas to destination chain
library LibSwap {
    /// @notice Struct containing all necessary data to execute a swap or generic call
    /// @param callTo The address of the contract to call for executing the swap
    /// @param approveTo The address that will receive token approval (can be different than callTo for some DEXs)
    /// @param sendingAssetId The address of the token being sent
    /// @param receivingAssetId The address of the token expected to be received
    /// @param fromAmount The exact amount of the sending asset to be used in the call
    /// @param callData Encoded function call data to be sent to the `callTo` contract
    /// @param requiresDeposit A flag indicating whether the tokens must be deposited (pulled) before the call
    struct SwapData {
        address callTo;
        address approveTo;
        address sendingAssetId;
        address receivingAssetId;
        uint256 fromAmount;
        bytes callData;
        bool requiresDeposit;
    }

    /// @notice Emitted after a successful asset swap or related operation
    /// @param transactionId    The unique identifier associated with the swap operation
    /// @param dex              The address of the DEX or contract that handled the swap
    /// @param fromAssetId      The address of the token that was sent
    /// @param toAssetId        The address of the token that was received
    /// @param fromAmount       The amount of `fromAssetId` sent
    /// @param toAmount         The amount of `toAssetId` received
    /// @param timestamp        The timestamp when the swap was executed
    event AssetSwapped(
        bytes32 transactionId,
        address dex,
        address fromAssetId,
        address toAssetId,
        uint256 fromAmount,
        uint256 toAmount,
        uint256 timestamp
    );

    function swap(bytes32 transactionId, SwapData calldata _swap) internal {
        // make sure callTo is a contract
        if (!LibAsset.isContract(_swap.callTo)) revert InvalidContract();

        // make sure that fromAmount is not 0
        uint256 fromAmount = _swap.fromAmount;
        if (fromAmount == 0) revert NoSwapFromZeroBalance();

        // determine how much native value to send with the swap call
        uint256 nativeValue = LibAsset.isNativeAsset(_swap.sendingAssetId)
            ? _swap.fromAmount
            : 0;

        // store initial balance (required for event emission)
        uint256 initialReceivingAssetBalance = LibAsset.getOwnBalance(
            _swap.receivingAssetId
        );

        // max approve (if ERC20)
        if (nativeValue == 0) {
            LibAsset.maxApproveERC20(
                IERC20(_swap.sendingAssetId),
                _swap.approveTo,
                _swap.fromAmount
            );
        }

        // we used to have a sending asset balance check here (initialSendingAssetBalance >= _swap.fromAmount)
        // this check was removed to allow for more flexibility with rebasing/fee-taking tokens
        // the general assumption is that if not enough tokens are available to execute the calldata,
        // the transaction will fail anyway
        // the error message might not be as explicit though

        // execute the swap
        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory res) = _swap.callTo.call{
            value: nativeValue
        }(_swap.callData);
        if (!success) {
            LibUtil.revertWith(res);
        }

        // get post-swap balance
        uint256 newBalance = LibAsset.getOwnBalance(_swap.receivingAssetId);

        // emit event
        emit AssetSwapped(
            transactionId,
            _swap.callTo,
            _swap.sendingAssetId,
            _swap.receivingAssetId,
            _swap.fromAmount,
            newBalance > initialReceivingAssetBalance
                ? newBalance - initialReceivingAssetBalance
                : newBalance,
            block.timestamp
        );
    }
}

// SPDX-License-Identifier: UNLICENSED
/// @custom:version 1.0.0
pragma solidity ^0.8.17;

/// @title Reentrancy Guard
/// @author LI.FI (https://li.fi)
/// @notice Abstract contract to provide protection against reentrancy
abstract contract ReentrancyGuard {
    /// Storage ///

    bytes32 private constant NAMESPACE = keccak256("com.lifi.reentrancyguard");

    /// Types ///

    struct ReentrancyStorage {
        uint256 status;
    }

    /// Errors ///

    error ReentrancyError();

    /// Constants ///

    uint256 private constant _NOT_ENTERED = 0;
    uint256 private constant _ENTERED = 1;

    /// Modifiers ///

    modifier nonReentrant() {
        ReentrancyStorage storage s = reentrancyStorage();
        if (s.status == _ENTERED) revert ReentrancyError();
        s.status = _ENTERED;
        _;
        s.status = _NOT_ENTERED;
    }

    /// Private Methods ///

    /// @dev fetch local storage
    function reentrancyStorage()
        private
        pure
        returns (ReentrancyStorage storage data)
    {
        bytes32 position = NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            data.slot := position
        }
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

import { ILiFi } from "../Interfaces/ILiFi.sol";
import { LibSwap } from "../Libraries/LibSwap.sol";
import { LibAsset } from "../Libraries/LibAsset.sol";
import { LibAllowList } from "../Libraries/LibAllowList.sol";
import { ContractCallNotAllowed, NoSwapDataProvided, CumulativeSlippageTooHigh } from "../Errors/GenericErrors.sol";

/// @title SwapperV2
/// @author LI.FI (https://li.fi)
/// @notice Abstract contract to provide swap functionality with leftover token handling
/// @custom:version 1.1.0
contract SwapperV2 is ILiFi {
    /// Types ///

    /// @dev only used to get around "Stack Too Deep" errors
    struct ReserveData {
        bytes32 transactionId;
        address payable leftoverReceiver;
        uint256 nativeReserve;
    }

    /// Modifiers ///

    /// @dev Sends any leftover balances back to the user
    /// @notice Sends any leftover balances to the user
    /// @param _swaps Swap data array
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial token balances
    modifier noLeftovers(
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances
    ) {
        _;
        _refundLeftovers(_swaps, _leftoverReceiver, _initialBalances, 0);
    }

    /// @dev Sends any leftover balances back to the user reserving native tokens
    /// @notice Sends any leftover balances to the user
    /// @param _swaps Swap data array
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial token balances
    /// @param _nativeReserve Amount of native token to prevent from being swept
    modifier noLeftoversReserve(
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances,
        uint256 _nativeReserve
    ) {
        _;
        _refundLeftovers(
            _swaps,
            _leftoverReceiver,
            _initialBalances,
            _nativeReserve
        );
    }

    /// @dev Refunds any excess native asset sent to the contract after the main function
    /// @notice Refunds any excess native asset sent to the contract after the main function
    /// @param _refundReceiver Address to send refunds to
    modifier refundExcessNative(address payable _refundReceiver) {
        uint256 initialBalance = address(this).balance - msg.value;
        _;
        uint256 finalBalance = address(this).balance;

        if (finalBalance > initialBalance) {
            LibAsset.transferAsset(
                LibAsset.NULL_ADDRESS,
                _refundReceiver,
                finalBalance - initialBalance
            );
        }
    }

    /// Internal Methods ///

    /// @dev Deposits value, executes swaps, and performs minimum amount check
    /// @param _transactionId the transaction id associated with the operation
    /// @param _minAmount the minimum amount of the final asset to receive
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver The address to send leftover funds to
    /// @return uint256 result of the swap
    function _depositAndSwap(
        bytes32 _transactionId,
        uint256 _minAmount,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver
    ) internal returns (uint256) {
        uint256 numSwaps = _swaps.length;

        if (numSwaps == 0) {
            revert NoSwapDataProvided();
        }

        address finalTokenId = _swaps[numSwaps - 1].receivingAssetId;
        uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId);

        if (LibAsset.isNativeAsset(finalTokenId)) {
            initialBalance -= msg.value;
        }

        uint256[] memory initialBalances = _fetchBalances(_swaps);

        LibAsset.depositAssets(_swaps);

        _executeSwaps(
            _transactionId,
            _swaps,
            _leftoverReceiver,
            initialBalances
        );

        uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) -
            initialBalance;

        if (newBalance < _minAmount) {
            revert CumulativeSlippageTooHigh(_minAmount, newBalance);
        }

        return newBalance;
    }

    /// @dev Deposits value, executes swaps, and performs minimum amount check and reserves native token for fees
    /// @param _transactionId the transaction id associated with the operation
    /// @param _minAmount the minimum amount of the final asset to receive
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver The address to send leftover funds to
    /// @param _nativeReserve Amount of native token to prevent from being swept back to the caller
    function _depositAndSwap(
        bytes32 _transactionId,
        uint256 _minAmount,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256 _nativeReserve
    ) internal returns (uint256) {
        uint256 numSwaps = _swaps.length;

        if (numSwaps == 0) {
            revert NoSwapDataProvided();
        }

        address finalTokenId = _swaps[numSwaps - 1].receivingAssetId;
        uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId);

        if (LibAsset.isNativeAsset(finalTokenId)) {
            initialBalance -= msg.value;
        }

        uint256[] memory initialBalances = _fetchBalances(_swaps);

        LibAsset.depositAssets(_swaps);

        ReserveData memory reserveData = ReserveData({
            transactionId: _transactionId,
            leftoverReceiver: _leftoverReceiver,
            nativeReserve: _nativeReserve
        });

        _executeSwaps(reserveData, _swaps, initialBalances);

        uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) -
            initialBalance;

        if (LibAsset.isNativeAsset(finalTokenId)) {
            newBalance -= _nativeReserve;
        }

        if (newBalance < _minAmount) {
            revert CumulativeSlippageTooHigh(_minAmount, newBalance);
        }

        return newBalance;
    }

    /// Private Methods ///

    /// @dev Executes swaps and checks that DEXs used are in the allowList
    /// @param _transactionId the transaction id associated with the operation
    /// @param _swaps Array of data used to execute swaps
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial balances
    function _executeSwaps(
        bytes32 _transactionId,
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances
    ) internal noLeftovers(_swaps, _leftoverReceiver, _initialBalances) {
        uint256 numSwaps = _swaps.length;
        for (uint256 i; i < numSwaps; ++i) {
            LibSwap.SwapData calldata currentSwap = _swaps[i];

            if (
                !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) ||
                    LibAllowList.contractIsAllowed(currentSwap.approveTo)) &&
                    LibAllowList.contractIsAllowed(currentSwap.callTo) &&
                    LibAllowList.selectorIsAllowed(
                        bytes4(currentSwap.callData[:4])
                    ))
            ) revert ContractCallNotAllowed();

            LibSwap.swap(_transactionId, currentSwap);
        }
    }

    /// @dev Executes swaps and checks that DEXs used are in the allowList
    /// @param _reserveData Data passed used to reserve native tokens
    /// @param _swaps Array of data used to execute swaps
    /// @param _initialBalances Array of initial balances
    function _executeSwaps(
        ReserveData memory _reserveData,
        LibSwap.SwapData[] calldata _swaps,
        uint256[] memory _initialBalances
    )
        internal
        noLeftoversReserve(
            _swaps,
            _reserveData.leftoverReceiver,
            _initialBalances,
            _reserveData.nativeReserve
        )
    {
        uint256 numSwaps = _swaps.length;
        for (uint256 i; i < numSwaps; ++i) {
            LibSwap.SwapData calldata currentSwap = _swaps[i];

            if (
                !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) ||
                    LibAllowList.contractIsAllowed(currentSwap.approveTo)) &&
                    LibAllowList.contractIsAllowed(currentSwap.callTo) &&
                    LibAllowList.selectorIsAllowed(
                        bytes4(currentSwap.callData[:4])
                    ))
            ) revert ContractCallNotAllowed();

            LibSwap.swap(_reserveData.transactionId, currentSwap);
        }
    }

    /// @dev Fetches balances of tokens to be swapped before swapping.
    /// @param _swaps Array of data used to execute swaps
    /// @return uint256[] Array of token balances.
    function _fetchBalances(
        LibSwap.SwapData[] calldata _swaps
    ) internal view returns (uint256[] memory) {
        uint256 numSwaps = _swaps.length;
        uint256[] memory balances = new uint256[](numSwaps);
        address asset;
        for (uint256 i; i < numSwaps; ++i) {
            asset = _swaps[i].receivingAssetId;
            balances[i] = LibAsset.getOwnBalance(asset);

            if (LibAsset.isNativeAsset(asset)) {
                balances[i] -= msg.value;
            }
        }

        return balances;
    }

    /// @dev Refunds leftover tokens to a specified receiver after swaps complete
    /// @param _swaps Swap data array
    /// @param _leftoverReceiver Address to send leftover tokens to
    /// @param _initialBalances Array of initial token balances
    /// @param _nativeReserve Amount of native token to prevent from being swept (0 for no reserve)
    function _refundLeftovers(
        LibSwap.SwapData[] calldata _swaps,
        address payable _leftoverReceiver,
        uint256[] memory _initialBalances,
        uint256 _nativeReserve
    ) private {
        uint256 numSwaps = _swaps.length;
        address finalAsset = _swaps[numSwaps - 1].receivingAssetId;

        // Handle both intermediate receiving assets and leftover input tokens in a single loop
        uint256 leftoverAmount;
        address curAsset;
        address inputAsset;
        uint256 curAssetReserve;
        uint256 currentInputBalance;
        uint256 inputAssetReserve;

        for (uint256 i; i < numSwaps; ++i) {
            // Handle intermediate receiving assets (only for non-final swaps when numSwaps > 1)
            if (i < numSwaps - 1 && numSwaps != 1) {
                curAsset = _swaps[i].receivingAssetId;
                // Handle multiple swap steps
                if (curAsset != finalAsset) {
                    leftoverAmount =
                        LibAsset.getOwnBalance(curAsset) -
                        _initialBalances[i];
                    curAssetReserve = LibAsset.isNativeAsset(curAsset)
                        ? _nativeReserve
                        : 0;
                    if (leftoverAmount > curAssetReserve) {
                        LibAsset.transferAsset(
                            curAsset,
                            _leftoverReceiver,
                            leftoverAmount - curAssetReserve
                        );
                    }
                }
            }

            // Handle leftover input tokens (but never sweep the final receiving asset)
            inputAsset = _swaps[i].sendingAssetId;
            currentInputBalance = LibAsset.getOwnBalance(inputAsset);
            inputAssetReserve = LibAsset.isNativeAsset(inputAsset)
                ? _nativeReserve
                : 0;

            // Only transfer leftovers if there's actually a balance remaining after reserve
            // and if it's not the final receiving asset (which should be kept for bridging)
            if (
                currentInputBalance > inputAssetReserve &&
                inputAsset != finalAsset
            ) {
                LibAsset.transferAsset(
                    inputAsset,
                    _leftoverReceiver,
                    currentInputBalance - inputAssetReserve
                );
            }
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
/// @custom:version 1.0.0
pragma solidity ^0.8.17;

import { LibAsset } from "../Libraries/LibAsset.sol";
import { LibUtil } from "../Libraries/LibUtil.sol";
// solhint-disable-next-line max-line-length
import { InvalidReceiver, InformationMismatch, InvalidSendingToken, InvalidAmount, NativeAssetNotSupported, InvalidDestinationChain, CannotBridgeToSameNetwork } from "../Errors/GenericErrors.sol";
import { ILiFi } from "../Interfaces/ILiFi.sol";
// solhint-disable-next-line no-unused-import
import { LibSwap } from "../Libraries/LibSwap.sol";

contract Validatable {
    modifier validateBridgeData(ILiFi.BridgeData memory _bridgeData) {
        if (LibUtil.isZeroAddress(_bridgeData.receiver)) {
            revert InvalidReceiver();
        }
        if (_bridgeData.minAmount == 0) {
            revert InvalidAmount();
        }
        if (_bridgeData.destinationChainId == block.chainid) {
            revert CannotBridgeToSameNetwork();
        }
        _;
    }

    modifier noNativeAsset(ILiFi.BridgeData memory _bridgeData) {
        if (LibAsset.isNativeAsset(_bridgeData.sendingAssetId)) {
            revert NativeAssetNotSupported();
        }
        _;
    }

    modifier onlyAllowSourceToken(
        ILiFi.BridgeData memory _bridgeData,
        address _token
    ) {
        if (_bridgeData.sendingAssetId != _token) {
            revert InvalidSendingToken();
        }
        _;
    }

    modifier onlyAllowDestinationChain(
        ILiFi.BridgeData memory _bridgeData,
        uint256 _chainId
    ) {
        if (_bridgeData.destinationChainId != _chainId) {
            revert InvalidDestinationChain();
        }
        _;
    }

    modifier containsSourceSwaps(ILiFi.BridgeData memory _bridgeData) {
        if (!_bridgeData.hasSourceSwaps) {
            revert InformationMismatch();
        }
        _;
    }

    modifier doesNotContainSourceSwaps(ILiFi.BridgeData memory _bridgeData) {
        if (_bridgeData.hasSourceSwaps) {
            revert InformationMismatch();
        }
        _;
    }

    modifier doesNotContainDestinationCalls(
        ILiFi.BridgeData memory _bridgeData
    ) {
        if (_bridgeData.hasDestinationCall) {
            revert InformationMismatch();
        }
        _;
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

/// @title Interface for Mayan
/// @author LI.FI (https://li.fi)
/// @custom:version 1.0.0
interface IMayan {
    struct PermitParams {
        uint256 value;
        uint256 deadline;
        uint8 v;
        bytes32 r;
        bytes32 s;
    }

    function forwardEth(
        address mayanProtocol,
        bytes calldata protocolData
    ) external payable;

    function forwardERC20(
        address tokenIn,
        uint256 amountIn,
        PermitParams calldata permitParams,
        address mayanProtocol,
        bytes calldata protocolData
    ) external payable;
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.17;

/// @title LiFiData
/// @author LI.FI (https://li.fi)
/// @notice A storage for LI.FI-internal config data (addresses, chainIDs, etc.)
/// @custom:version 1.0.0
contract LiFiData {
    address internal constant NON_EVM_ADDRESS =
        0x11f111f111f111F111f111f111F111f111f111F1;

    // LI.FI non-EVM Custom Chain IDs (IDs are made up by the LI.FI team)
    uint256 internal constant LIFI_CHAIN_ID_APTOS = 9271000000000010;
    uint256 internal constant LIFI_CHAIN_ID_BCH = 20000000000002;
    uint256 internal constant LIFI_CHAIN_ID_BTC = 20000000000001;
    uint256 internal constant LIFI_CHAIN_ID_DGE = 20000000000004;
    uint256 internal constant LIFI_CHAIN_ID_LTC = 20000000000003;
    uint256 internal constant LIFI_CHAIN_ID_SOLANA = 1151111081099710;
    uint256 internal constant LIFI_CHAIN_ID_SUI = 9270000000000000;
    uint256 internal constant LIFI_CHAIN_ID_TRON = 1885080386571452;
}

// SPDX-License-Identifier: LGPL-3.0-only
/// @custom:version 1.0.2
pragma solidity ^0.8.17;

error AlreadyInitialized();
error CannotAuthoriseSelf();
error CannotBridgeToSameNetwork();
error ContractCallNotAllowed();
error CumulativeSlippageTooHigh(uint256 minAmount, uint256 receivedAmount);
error DiamondIsPaused();
error ETHTransferFailed();
error ExternalCallFailed();
error FunctionDoesNotExist();
error InformationMismatch();
error InsufficientBalance(uint256 required, uint256 balance);
error InvalidAmount();
error InvalidCallData();
error InvalidConfig();
error InvalidContract();
error InvalidDestinationChain();
error InvalidFallbackAddress();
error InvalidNonEVMReceiver();
error InvalidReceiver();
error InvalidSendingToken();
error NativeAssetNotSupported();
error NativeAssetTransferFailed();
error NoSwapDataProvided();
error NoSwapFromZeroBalance();
error NotAContract();
error NotInitialized();
error NoTransferToNullAddress();
error NullAddrIsNotAnERC20Token();
error NullAddrIsNotAValidSpender();
error OnlyContractOwner();
error RecoveryAddressCannotBeZero();
error ReentrancyError();
error TokenNotSupported();
error TransferFromFailed();
error UnAuthorized();
error UnsupportedChainId(uint256 chainId);
error WithdrawFailed();
error ZeroAmount();

// 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
pragma solidity ^0.8.4;

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @author Permit2 operations from (https://github.com/Uniswap/permit2/blob/main/src/libraries/Permit2Lib.sol)
///
/// @dev Note:
/// - For ETH transfers, please use `forceSafeTransferETH` for DoS protection.
/// - For ERC20s, this implementation won't check that a token has code,
///   responsibility is delegated to the caller.
library SafeTransferLib {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The ETH transfer has failed.
    error ETHTransferFailed();

    /// @dev The ERC20 `transferFrom` has failed.
    error TransferFromFailed();

    /// @dev The ERC20 `transfer` has failed.
    error TransferFailed();

    /// @dev The ERC20 `approve` has failed.
    error ApproveFailed();

    /// @dev The Permit2 operation has failed.
    error Permit2Failed();

    /// @dev The Permit2 amount must be less than `2**160 - 1`.
    error Permit2AmountOverflow();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         CONSTANTS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Suggested gas stipend for contract receiving ETH that disallows any storage writes.
    uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;

    /// @dev Suggested gas stipend for contract receiving ETH to perform a few
    /// storage reads and writes, but low enough to prevent griefing.
    uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;

    /// @dev The unique EIP-712 domain domain separator for the DAI token contract.
    bytes32 internal constant DAI_DOMAIN_SEPARATOR =
        0xdbb8cf42e1ecb028be3f3dbc922e1d878b963f411dc388ced501601c60f7c6f7;

    /// @dev The address for the WETH9 contract on Ethereum mainnet.
    address internal constant WETH9 = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;

    /// @dev The canonical Permit2 address.
    /// [Github](https://github.com/Uniswap/permit2)
    /// [Etherscan](https://etherscan.io/address/0x000000000022D473030F116dDEE9F6B43aC78BA3)
    address internal constant PERMIT2 = 0x000000000022D473030F116dDEE9F6B43aC78BA3;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       ETH OPERATIONS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    // If the ETH transfer MUST succeed with a reasonable gas budget, use the force variants.
    //
    // The regular variants:
    // - Forwards all remaining gas to the target.
    // - Reverts if the target reverts.
    // - Reverts if the current contract has insufficient balance.
    //
    // The force variants:
    // - Forwards with an optional gas stipend
    //   (defaults to `GAS_STIPEND_NO_GRIEF`, which is sufficient for most cases).
    // - If the target reverts, or if the gas stipend is exhausted,
    //   creates a temporary contract to force send the ETH via `SELFDESTRUCT`.
    //   Future compatible with `SENDALL`: https://eips.ethereum.org/EIPS/eip-4758.
    // - Reverts if the current contract has insufficient balance.
    //
    // The try variants:
    // - Forwards with a mandatory gas stipend.
    // - Instead of reverting, returns whether the transfer succeeded.

    /// @dev Sends `amount` (in wei) ETH to `to`.
    function safeTransferETH(address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(call(gas(), to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Sends all the ETH in the current contract to `to`.
    function safeTransferAllETH(address to) internal {
        /// @solidity memory-safe-assembly
        assembly {
            // Transfer all the ETH and check if it succeeded or not.
            if iszero(call(gas(), to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Force sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
    function forceSafeTransferETH(address to, uint256 amount, uint256 gasStipend) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if lt(selfbalance(), amount) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
            if iszero(call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends all the ETH in the current contract to `to`, with a `gasStipend`.
    function forceSafeTransferAllETH(address to, uint256 gasStipend) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends `amount` (in wei) ETH to `to`, with `GAS_STIPEND_NO_GRIEF`.
    function forceSafeTransferETH(address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            if lt(selfbalance(), amount) {
                mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
                revert(0x1c, 0x04)
            }
            if iszero(call(GAS_STIPEND_NO_GRIEF, to, amount, codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Force sends all the ETH in the current contract to `to`, with `GAS_STIPEND_NO_GRIEF`.
    function forceSafeTransferAllETH(address to) internal {
        /// @solidity memory-safe-assembly
        assembly {
            // forgefmt: disable-next-item
            if iszero(call(GAS_STIPEND_NO_GRIEF, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
                mstore(0x00, to) // Store the address in scratch space.
                mstore8(0x0b, 0x73) // Opcode `PUSH20`.
                mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
                if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) } // For gas estimation.
            }
        }
    }

    /// @dev Sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
    function trySafeTransferETH(address to, uint256 amount, uint256 gasStipend)
        internal
        returns (bool success)
    {
        /// @solidity memory-safe-assembly
        assembly {
            success := call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)
        }
    }

    /// @dev Sends all the ETH in the current contract to `to`, with a `gasStipend`.
    function trySafeTransferAllETH(address to, uint256 gasStipend)
        internal
        returns (bool success)
    {
        /// @solidity memory-safe-assembly
        assembly {
            success := call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      ERC20 OPERATIONS                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Sends `amount` of ERC20 `token` from `from` to `to`.
    /// Reverts upon failure.
    ///
    /// The `from` account must have at least `amount` approved for
    /// the current contract to manage.
    function safeTransferFrom(address token, address from, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40) // Cache the free memory pointer.
            mstore(0x60, amount) // Store the `amount` argument.
            mstore(0x40, to) // Store the `to` argument.
            mstore(0x2c, shl(96, from)) // Store the `from` argument.
            mstore(0x0c, 0x23b872dd000000000000000000000000) // `transferFrom(address,address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, m) // Restore the free memory pointer.
        }
    }

    /// @dev Sends `amount` of ERC20 `token` from `from` to `to`.
    ///
    /// The `from` account must have at least `amount` approved for the current contract to manage.
    function trySafeTransferFrom(address token, address from, address to, uint256 amount)
        internal
        returns (bool success)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40) // Cache the free memory pointer.
            mstore(0x60, amount) // Store the `amount` argument.
            mstore(0x40, to) // Store the `to` argument.
            mstore(0x2c, shl(96, from)) // Store the `from` argument.
            mstore(0x0c, 0x23b872dd000000000000000000000000) // `transferFrom(address,address,uint256)`.
            success :=
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, m) // Restore the free memory pointer.
        }
    }

    /// @dev Sends all of ERC20 `token` from `from` to `to`.
    /// Reverts upon failure.
    ///
    /// The `from` account must have their entire balance approved for the current contract to manage.
    function safeTransferAllFrom(address token, address from, address to)
        internal
        returns (uint256 amount)
    {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40) // Cache the free memory pointer.
            mstore(0x40, to) // Store the `to` argument.
            mstore(0x2c, shl(96, from)) // Store the `from` argument.
            mstore(0x0c, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
            // Read the balance, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                    staticcall(gas(), token, 0x1c, 0x24, 0x60, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x00, 0x23b872dd) // `transferFrom(address,address,uint256)`.
            amount := mload(0x60) // The `amount` is already at 0x60. We'll need to return it.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, m) // Restore the free memory pointer.
        }
    }

    /// @dev Sends `amount` of ERC20 `token` from the current contract to `to`.
    /// Reverts upon failure.
    function safeTransfer(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sends all of ERC20 `token` from the current contract to `to`.
    /// Reverts upon failure.
    function safeTransferAll(address token, address to) internal returns (uint256 amount) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, 0x70a08231) // Store the function selector of `balanceOf(address)`.
            mstore(0x20, address()) // Store the address of the current contract.
            // Read the balance, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                    staticcall(gas(), token, 0x1c, 0x24, 0x34, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x14, to) // Store the `to` argument.
            amount := mload(0x34) // The `amount` is already at 0x34. We'll need to return it.
            mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
            // Perform the transfer, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
    /// Reverts upon failure.
    function safeApprove(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
            // Perform the approval, reverting upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
                revert(0x1c, 0x04)
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
    /// If the initial attempt to approve fails, attempts to reset the approved amount to zero,
    /// then retries the approval again (some tokens, e.g. USDT, requires this).
    /// Reverts upon failure.
    function safeApproveWithRetry(address token, address to, uint256 amount) internal {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, to) // Store the `to` argument.
            mstore(0x34, amount) // Store the `amount` argument.
            mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
            // Perform the approval, retrying upon failure.
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                    call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                )
            ) {
                mstore(0x34, 0) // Store 0 for the `amount`.
                mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
                pop(call(gas(), token, 0, 0x10, 0x44, codesize(), 0x00)) // Reset the approval.
                mstore(0x34, amount) // Store back the original `amount`.
                // Retry the approval, reverting upon failure.
                if iszero(
                    and(
                        or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
                        call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
                    )
                ) {
                    mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
                    revert(0x1c, 0x04)
                }
            }
            mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
        }
    }

    /// @dev Returns the amount of ERC20 `token` owned by `account`.
    /// Returns zero if the `token` does not exist.
    function balanceOf(address token, address account) internal view returns (uint256 amount) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x14, account) // Store the `account` argument.
            mstore(0x00, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
            amount :=
                mul( // The arguments of `mul` are evaluated from right to left.
                    mload(0x20),
                    and( // The arguments of `and` are evaluated from right to left.
                        gt(returndatasize(), 0x1f), // At least 32 bytes returned.
                        staticcall(gas(), token, 0x10, 0x24, 0x20, 0x20)
                    )
                )
        }
    }

    /// @dev Sends `amount` of ERC20 `token` from `from` to `to`.
    /// If the initial attempt fails, try to use Permit2 to transfer the token.
    /// Reverts upon failure.
    ///
    /// The `from` account must have at least `amount` approved for the current contract to manage.
    function safeTransferFrom2(address token, address from, address to, uint256 amount) internal {
        if (!trySafeTransferFrom(token, from, to, amount)) {
            permit2TransferFrom(token, from, to, amount);
        }
    }

    /// @dev Sends `amount` of ERC20 `token` from `from` to `to` via Permit2.
    /// Reverts upon failure.
    function permit2TransferFrom(address token, address from, address to, uint256 amount)
        internal
    {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40)
            mstore(add(m, 0x74), shr(96, shl(96, token)))
            mstore(add(m, 0x54), amount)
            mstore(add(m, 0x34), to)
            mstore(add(m, 0x20), shl(96, from))
            // `transferFrom(address,address,uint160,address)`.
            mstore(m, 0x36c78516000000000000000000000000)
            let p := PERMIT2
            let exists := eq(chainid(), 1)
            if iszero(exists) { exists := iszero(iszero(extcodesize(p))) }
            if iszero(and(call(gas(), p, 0, add(m, 0x10), 0x84, codesize(), 0x00), exists)) {
                mstore(0x00, 0x7939f4248757f0fd) // `TransferFromFailed()` or `Permit2AmountOverflow()`.
                revert(add(0x18, shl(2, iszero(iszero(shr(160, amount))))), 0x04)
            }
        }
    }

    /// @dev Permit a user to spend a given amount of
    /// another user's tokens via native EIP-2612 permit if possible, falling
    /// back to Permit2 if native permit fails or is not implemented on the token.
    function permit2(
        address token,
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        bool success;
        /// @solidity memory-safe-assembly
        assembly {
            for {} shl(96, xor(token, WETH9)) {} {
                mstore(0x00, 0x3644e515) // `DOMAIN_SEPARATOR()`.
                if iszero(
                    and( // The arguments of `and` are evaluated from right to left.
                        lt(iszero(mload(0x00)), eq(returndatasize(), 0x20)), // Returns 1 non-zero word.
                        // Gas stipend to limit gas burn for tokens that don't refund gas when
                        // an non-existing function is called. 5K should be enough for a SLOAD.
                        staticcall(5000, token, 0x1c, 0x04, 0x00, 0x20)
                    )
                ) { break }
                // After here, we can be sure that token is a contract.
                let m := mload(0x40)
                mstore(add(m, 0x34), spender)
                mstore(add(m, 0x20), shl(96, owner))
                mstore(add(m, 0x74), deadline)
                if eq(mload(0x00), DAI_DOMAIN_SEPARATOR) {
                    mstore(0x14, owner)
                    mstore(0x00, 0x7ecebe00000000000000000000000000) // `nonces(address)`.
                    mstore(add(m, 0x94), staticcall(gas(), token, 0x10, 0x24, add(m, 0x54), 0x20))
                    mstore(m, 0x8fcbaf0c000000000000000000000000) // `IDAIPermit.permit`.
                    // `nonces` is already at `add(m, 0x54)`.
                    // `1` is already stored at `add(m, 0x94)`.
                    mstore(add(m, 0xb4), and(0xff, v))
                    mstore(add(m, 0xd4), r)
                    mstore(add(m, 0xf4), s)
                    success := call(gas(), token, 0, add(m, 0x10), 0x104, codesize(), 0x00)
                    break
                }
                mstore(m, 0xd505accf000000000000000000000000) // `IERC20Permit.permit`.
                mstore(add(m, 0x54), amount)
                mstore(add(m, 0x94), and(0xff, v))
                mstore(add(m, 0xb4), r)
                mstore(add(m, 0xd4), s)
                success := call(gas(), token, 0, add(m, 0x10), 0xe4, codesize(), 0x00)
                break
            }
        }
        if (!success) simplePermit2(token, owner, spender, amount, deadline, v, r, s);
    }

    /// @dev Simple permit on the Permit2 contract.
    function simplePermit2(
        address token,
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        /// @solidity memory-safe-assembly
        assembly {
            let m := mload(0x40)
            mstore(m, 0x927da105) // `allowance(address,address,address)`.
            {
                let addressMask := shr(96, not(0))
                mstore(add(m, 0x20), and(addressMask, owner))
                mstore(add(m, 0x40), and(addressMask, token))
                mstore(add(m, 0x60), and(addressMask, spender))
                mstore(add(m, 0xc0), and(addressMask, spender))
            }
            let p := mul(PERMIT2, iszero(shr(160, amount)))
            if iszero(
                and( // The arguments of `and` are evaluated from right to left.
                    gt(returndatasize(), 0x5f), // Returns 3 words: `amount`, `expiration`, `nonce`.
                    staticcall(gas(), p, add(m, 0x1c), 0x64, add(m, 0x60), 0x60)
                )
            ) {
                mstore(0x00, 0x6b836e6b8757f0fd) // `Permit2Failed()` or `Permit2AmountOverflow()`.
                revert(add(0x18, shl(2, iszero(p))), 0x04)
            }
            mstore(m, 0x2b67b570) // `Permit2.permit` (PermitSingle variant).
            // `owner` is already `add(m, 0x20)`.
            // `token` is already at `add(m, 0x40)`.
            mstore(add(m, 0x60), amount)
            mstore(add(m, 0x80), 0xffffffffffff) // `expiration = type(uint48).max`.
            // `nonce` is already at `add(m, 0xa0)`.
            // `spender` is already at `add(m, 0xc0)`.
            mstore(add(m, 0xe0), deadline)
            mstore(add(m, 0x100), 0x100) // `signature` offset.
            mstore(add(m, 0x120), 0x41) // `signature` length.
            mstore(add(m, 0x140), r)
            mstore(add(m, 0x160), s)
            mstore(add(m, 0x180), shl(248, v))
            if iszero(call(gas(), p, 0, add(m, 0x1c), 0x184, codesize(), 0x00)) {
                mstore(0x00, 0x6b836e6b) // `Permit2Failed()`.
                revert(0x1c, 0x04)
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: LGPL-3.0-only
/// @custom:version 1.0.0
pragma solidity ^0.8.17;

// solhint-disable-next-line no-global-import
import "./LibBytes.sol";

library LibUtil {
    using LibBytes for bytes;

    function getRevertMsg(
        bytes memory _res
    ) internal pure returns (string memory) {
        // If the _res length is less than 68, then the transaction failed silently (without a revert message)
        if (_res.length < 68) return "Transaction reverted silently";
        bytes memory revertData = _res.slice(4, _res.length - 4); // Remove the selector which is the first 4 bytes
        return abi.decode(revertData, (string)); // All that remains is the revert string
    }

    /// @notice Determines whether the given address is the zero address
    /// @param addr The address to verify
    /// @return Boolean indicating if the address is the zero address
    function isZeroAddress(address addr) internal pure returns (bool) {
        return addr == address(0);
    }

    function revertWith(bytes memory data) internal pure {
        assembly {
            let dataSize := mload(data) // Load the size of the data
            let dataPtr := add(data, 0x20) // Advance data pointer to the next word
            revert(dataPtr, dataSize) // Revert with the given data
        }
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
/// @custom:version 1.0.0
pragma solidity ^0.8.17;

import { InvalidContract } from "../Errors/GenericErrors.sol";

/// @title Lib Allow List
/// @author LI.FI (https://li.fi)
/// @notice Library for managing and accessing the conract address allow list
library LibAllowList {
    /// Storage ///
    bytes32 internal constant NAMESPACE =
        keccak256("com.lifi.library.allow.list");

    struct AllowListStorage {
        mapping(address => bool) allowlist;
        mapping(bytes4 => bool) selectorAllowList;
        address[] contracts;
    }

    /// @dev Adds a contract address to the allow list
    /// @param _contract the contract address to add
    function addAllowedContract(address _contract) internal {
        _checkAddress(_contract);

        AllowListStorage storage als = _getStorage();

        if (als.allowlist[_contract]) return;

        als.allowlist[_contract] = true;
        als.contracts.push(_contract);
    }

    /// @dev Checks whether a contract address has been added to the allow list
    /// @param _contract the contract address to check
    function contractIsAllowed(
        address _contract
    ) internal view returns (bool) {
        return _getStorage().allowlist[_contract];
    }

    /// @dev Remove a contract address from the allow list
    /// @param _contract the contract address to remove
    function removeAllowedContract(address _contract) internal {
        AllowListStorage storage als = _getStorage();

        if (!als.allowlist[_contract]) {
            return;
        }

        als.allowlist[_contract] = false;

        uint256 length = als.contracts.length;
        // Find the contract in the list
        for (uint256 i = 0; i < length; i++) {
            if (als.contracts[i] == _contract) {
                // Move the last element into the place to delete
                als.contracts[i] = als.contracts[length - 1];
                // Remove the last element
                als.contracts.pop();
                break;
            }
        }
    }

    /// @dev Fetch contract addresses from the allow list
    function getAllowedContracts() internal view returns (address[] memory) {
        return _getStorage().contracts;
    }

    /// @dev Add a selector to the allow list
    /// @param _selector the selector to add
    function addAllowedSelector(bytes4 _selector) internal {
        _getStorage().selectorAllowList[_selector] = true;
    }

    /// @dev Removes a selector from the allow list
    /// @param _selector the selector to remove
    function removeAllowedSelector(bytes4 _selector) internal {
        _getStorage().selectorAllowList[_selector] = false;
    }

    /// @dev Returns if selector has been added to the allow list
    /// @param _selector the selector to check
    function selectorIsAllowed(bytes4 _selector) internal view returns (bool) {
        return _getStorage().selectorAllowList[_selector];
    }

    /// @dev Fetch local storage struct
    function _getStorage()
        internal
        pure
        returns (AllowListStorage storage als)
    {
        bytes32 position = NAMESPACE;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            als.slot := position
        }
    }

    /// @dev Contains business logic for validating a contract address.
    /// @param _contract address of the dex to check
    function _checkAddress(address _contract) private view {
        if (_contract == address(0)) revert InvalidContract();

        if (_contract.code.length == 0) revert InvalidContract();
    }
}

// SPDX-License-Identifier: LGPL-3.0-only
/// @custom:version 1.0.0
pragma solidity ^0.8.17;

library LibBytes {
    // solhint-disable no-inline-assembly

    // LibBytes specific errors
    error SliceOverflow();
    error SliceOutOfBounds();
    error AddressOutOfBounds();

    bytes16 private constant _SYMBOLS = "0123456789abcdef";

    // -------------------------

    function slice(
        bytes memory _bytes,
        uint256 _start,
        uint256 _length
    ) internal pure returns (bytes memory) {
        if (_length + 31 < _length) revert SliceOverflow();
        if (_bytes.length < _start + _length) revert SliceOutOfBounds();

        bytes memory tempBytes;

        assembly {
            switch iszero(_length)
            case 0 {
                // Get a location of some free memory and store it in tempBytes as
                // Solidity does for memory variables.
                tempBytes := mload(0x40)

                // The first word of the slice result is potentially a partial
                // word read from the original array. To read it, we calculate
                // the length of that partial word and start copying that many
                // bytes into the array. The first word we copy will start with
                // data we don't care about, but the last `lengthmod` bytes will
                // land at the beginning of the contents of the new array. When
                // we're done copying, we overwrite the full first word with
                // the actual length of the slice.
                let lengthmod := and(_length, 31)

                // The multiplication in the next line is necessary
                // because when slicing multiples of 32 bytes (lengthmod == 0)
                // the following copy loop was copying the origin's length
                // and then ending prematurely not copying everything it should.
                let mc := add(
                    add(tempBytes, lengthmod),
                    mul(0x20, iszero(lengthmod))
                )
                let end := add(mc, _length)

                for {
                    // The multiplication in the next line has the same exact purpose
                    // as the one above.
                    let cc := add(
                        add(
                            add(_bytes, lengthmod),
                            mul(0x20, iszero(lengthmod))
                        ),
                        _start
                    )
                } lt(mc, end) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    mstore(mc, mload(cc))
                }

                mstore(tempBytes, _length)

                //update free-memory pointer
                //allocating the array padded to 32 bytes like the compiler does now
                mstore(0x40, and(add(mc, 31), not(31)))
            }
            //if we want a zero-length slice let's just return a zero-length array
            default {
                tempBytes := mload(0x40)
                //zero out the 32 bytes slice we are about to return
                //we need to do it because Solidity does not garbage collect
                mstore(tempBytes, 0)

                mstore(0x40, add(tempBytes, 0x20))
            }
        }

        return tempBytes;
    }

    function toAddress(
        bytes memory _bytes,
        uint256 _start
    ) internal pure returns (address) {
        if (_bytes.length < _start + 20) {
            revert AddressOutOfBounds();
        }
        address tempAddress;

        assembly {
            tempAddress := div(
                mload(add(add(_bytes, 0x20), _start)),
                0x1000000000000000000000000
            )
        }

        return tempAddress;
    }

    /// Copied from OpenZeppelin's `Strings.sol` utility library.
    /// https://github.com/OpenZeppelin/openzeppelin-contracts/blob/8335676b0e99944eef6a742e16dcd9ff6e68e609
    /// /contracts/utils/Strings.sol
    function toHexString(
        uint256 value,
        uint256 length
    ) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        // solhint-disable-next-line gas-custom-errors
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

{
  "remappings": [
    "@eth-optimism/=node_modules/@hop-protocol/sdk/node_modules/@eth-optimism/",
    "@uniswap/=node_modules/@uniswap/",
    "eth-gas-reporter/=node_modules/eth-gas-reporter/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "celer-network/=lib/sgn-v2-contracts/",
    "create3-factory/=lib/create3-factory/src/",
    "solmate/=lib/solmate/src/",
    "solady/=lib/solady/src/",
    "permit2/=lib/Permit2/src/",
    "ds-test/=lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "lifi/=src/",
    "test/=test/",
    "@cowprotocol/=node_modules/@cowprotocol/",
    "Permit2/=lib/Permit2/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-gas-snapshot/=lib/Permit2/lib/forge-gas-snapshot/src/",
    "hardhat/=node_modules/hardhat/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "sgn-v2-contracts/=lib/sgn-v2-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

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IMayan","name":"_mayan","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CannotBridgeToSameNetwork","type":"error"},{"inputs":[],"name":"ContractCallNotAllowed","type":"error"},{"inputs":[{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"receivedAmount","type":"uint256"}],"name":"CumulativeSlippageTooHigh","type":"error"},{"inputs":[],"name":"InformationMismatch","type":"error"},{"inputs":[],"name":"InvalidAmount","type":"error"},{"inputs":[],"name":"InvalidConfig","type":"error"},{"inputs":[],"name":"InvalidContract","type":"error"},{"inputs":[],"name":"InvalidNonEVMReceiver","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"expected","type":"address"},{"internalType":"address","name":"actual","type":"address"}],"name":"InvalidReceiver","type":"error"},{"inputs":[],"name":"NoSwapDataProvided","type":"error"},{"inputs":[],"name":"NoSwapFromZeroBalance","type":"error"},{"inputs":[],"name":"NullAddrIsNotAValidSpender","type":"error"},{"inputs":[],"name":"ProtocolDataTooShort","type":"error"},{"inputs":[],"name":"ReentrancyError","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"receiver","type":"bytes"}],"name":"BridgeToNonEVMChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"receiver","type":"bytes32"}],"name":"BridgeToNonEVMChainBytes32","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"string","name":"integrator","type":"string"},{"indexed":false,"internalType":"string","name":"referrer","type":"string"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"address","name":"fromAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"toAssetId","type":"address"},{"indexed":false,"internalType":"uint256","name":"fromAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toAmount","type":"uint256"}],"name":"LiFiGenericSwapCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"string","name":"integrator","type":"string"},{"indexed":false,"internalType":"string","name":"referrer","type":"string"},{"indexed":false,"internalType":"address","name":"fromAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"toAssetId","type":"address"},{"indexed":false,"internalType":"uint256","name":"fromAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toAmount","type":"uint256"}],"name":"LiFiSwappedGeneric","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"receivingAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LiFiTransferCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"receivingAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LiFiTransferRecovered","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"indexed":false,"internalType":"struct ILiFi.BridgeData","name":"bridgeData","type":"tuple"}],"name":"LiFiTransferStarted","type":"event"},{"inputs":[],"name":"MAYAN","outputs":[{"internalType":"contract IMayan","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"bytes32","name":"nonEVMReceiver","type":"bytes32"},{"internalType":"address","name":"mayanProtocol","type":"address"},{"internalType":"bytes","name":"protocolData","type":"bytes"}],"internalType":"struct MayanFacet.MayanData","name":"_mayanData","type":"tuple"}],"name":"startBridgeTokensViaMayan","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"address","name":"callTo","type":"address"},{"internalType":"address","name":"approveTo","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receivingAssetId","type":"address"},{"internalType":"uint256","name":"fromAmount","type":"uint256"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"bool","name":"requiresDeposit","type":"bool"}],"internalType":"struct LibSwap.SwapData[]","name":"_swapData","type":"tuple[]"},{"components":[{"internalType":"bytes32","name":"nonEVMReceiver","type":"bytes32"},{"internalType":"address","name":"mayanProtocol","type":"address"},{"internalType":"bytes","name":"protocolData","type":"bytes"}],"internalType":"struct MayanFacet.MayanData","name":"_mayanData","type":"tuple"}],"name":"swapAndStartBridgeTokensViaMayan","outputs":[],"stateMutability":"payable","type":"function"}]

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000000000000000000000000337685fdab40d39bd02028545a4ffa7d287cc3e2

-----Decoded View---------------
Arg [0] : _mayan (address): 0x337685fdaB40D39bd02028545a4FfA7D287cC3E2

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000337685fdab40d39bd02028545a4ffa7d287cc3e2