Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;

import "@1inch/solidity-utils/contracts/libraries/SafeERC20.sol";
import "./features/ContractOnlyEthRecipient.sol";
import "./interfaces/ISwapExecutor.sol";
import "./libs/TokenLibrary.sol";
import "./Errors.sol";
import "@openzeppelin/contracts/access/Ownable2Step.sol";

/**
 * @title SwapFacade
 * @notice This facade performs minReturn safety checks and holds all approves to ensure safety of all arbitrary calls
 */
contract SwapFacade is Ownable2Step {
    using SafeERC20 for IERC20;
    using TokenLibrary for IERC20;

    /// @notice Performs tokens swap
    /// @param executor Address of low level executor used to make actual swaps
    /// @param amount Amount of source tokens user is willing to swap
    /// @param targetToken Token that user is willing to get as result. This will be used for minReturn check to decide if swap executed successfully
    /// @param minReturn Minimal amount of targetToken that user is willing to receive. If not reached transaction reverts
    /// @param deadline Safety parameter against stalled transactions. If deadline reached swap reverts unconditionally
    /// @param swapDescriptions Descriptions that describe how exactly swaps should be performed
    /// @param permit Signed permit for spending `amount` of tokens. Optional. May be used instead of manually approving tokens before calling `swap`
    function swap(
        ISwapExecutor executor,
        uint256 amount,
        IERC20 targetToken,
        uint256 minReturn,
        address payable recipient,
        uint256 deadline,
        ISwapExecutor.SwapDescription[] calldata swapDescriptions,
        bytes calldata permit
    ) external payable returns (uint256) {
        {
            // solhint-disable-next-line not-rely-on-time
            if (deadline < block.timestamp) {
                // solhint-disable-next-line not-rely-on-time
                revert TransactionExpired(deadline, block.timestamp);
            }
        }
        if (amount == 0) {
            revert ZeroInput();
        }
        if (recipient == address(0)) {
            revert ZeroRecipient();
        }
        if (swapDescriptions.length == 0) {
            revert EmptySwap();
        }
        IERC20 sourceToken = swapDescriptions[0].sourceToken;
        if (msg.value > 0) {
            if (msg.value != amount) {
                revert EthValueAmountMismatch();
            } else if (permit.length > 0) {
                revert PermitNotAllowedForEthSwap();
            } else if (!TokenLibrary.isEth(sourceToken)) {
                revert EthValueSourceTokenMismatch();
            }
        }
        else {
            uint256 currentBalance = sourceToken.balanceOf(address(executor));
            if (currentBalance < amount)
            {
                if (permit.length > 0) {
                    SafeERC20.tryPermit(sourceToken, permit);
                }
                sourceToken.safeTransferFrom(msg.sender, address(executor), amount);
            }
        }
        return _swap(executor, targetToken, minReturn, recipient, swapDescriptions);
    }

    /// @notice Performs tokens swap and validates swap success against minReturn value
    function _swap(
        ISwapExecutor executor,
        IERC20 targetToken,
        uint256 minReturn,
        address payable recipient,
        ISwapExecutor.SwapDescription[] calldata swapDescriptions
    ) private returns (uint256) {
        uint256 balanceBeforeSwap = targetToken.universalBalanceOf(recipient);
        executor.executeSwap{value: msg.value}(recipient, targetToken, swapDescriptions);
        uint256 balanceAfterSwap = targetToken.universalBalanceOf(recipient);
        uint256 totalSwappedAmount = balanceAfterSwap - balanceBeforeSwap;
        if (totalSwappedAmount < minReturn) {
            revert MinReturnError(totalSwappedAmount, minReturn);
        }
        return totalSwappedAmount;
    }

    function sweep(IERC20 token, address destination) external onlyOwner {
        token.safeTransfer(destination, IERC20(token).balanceOf(address(this)));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
pragma abicoder v1;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol";
import "../interfaces/IDaiLikePermit.sol";
import "../interfaces/IPermit2.sol";
import "../interfaces/IWETH.sol";
import "../libraries/RevertReasonForwarder.sol";

/// @title Implements efficient safe methods for ERC20 interface.
library SafeERC20 {
    error SafeTransferFailed();
    error SafeTransferFromFailed();
    error ForceApproveFailed();
    error SafeIncreaseAllowanceFailed();
    error SafeDecreaseAllowanceFailed();
    error SafePermitBadLength();

    address private constant _PERMIT2 = 0x000000000022D473030F116dDEE9F6B43aC78BA3;
    bytes4 private constant _PERMIT_LENGHT_ERROR = 0x68275857;  // SafePermitBadLength.selector

    /// @dev Ensures method do not revert or return boolean `true`, admits call to non-smart-contract.
    function safeTransferFromUniversal(
        IERC20 token,
        address from,
        address to,
        uint256 amount,
        bool permit2
    ) internal {
        if (permit2) {
            safeTransferFromPermit2(token, from, to, uint160(amount));
        } else {
            safeTransferFrom(token, from, to, amount);
        }
    }

    /// @dev Ensures method do not revert or return boolean `true`, admits call to non-smart-contract.
    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bytes4 selector = token.transferFrom.selector;
        bool success;
        /// @solidity memory-safe-assembly
        assembly { // solhint-disable-line no-inline-assembly
            let data := mload(0x40)

            mstore(data, selector)
            mstore(add(data, 0x04), from)
            mstore(add(data, 0x24), to)
            mstore(add(data, 0x44), amount)
            success := call(gas(), token, 0, data, 100, 0x0, 0x20)
            if success {
                switch returndatasize()
                case 0 {
                    success := gt(extcodesize(token), 0)
                }
                default {
                    success := and(gt(returndatasize(), 31), eq(mload(0), 1))
                }
            }
        }
        if (!success) revert SafeTransferFromFailed();
    }

    /// @dev Permit2 version of safeTransferFrom above.
    function safeTransferFromPermit2(
        IERC20 token,
        address from,
        address to,
        uint160 amount
    ) internal {
        bytes4 selector = IPermit2.transferFrom.selector;
        bool success;
        /// @solidity memory-safe-assembly
        assembly { // solhint-disable-line no-inline-assembly
            let data := mload(0x40)

            mstore(data, selector)
            mstore(add(data, 0x04), from)
            mstore(add(data, 0x24), to)
            mstore(add(data, 0x44), amount)
            mstore(add(data, 0x64), token)
            success := call(gas(), _PERMIT2, 0, data, 0x84, 0x0, 0x0)
            if success {
                success := gt(extcodesize(_PERMIT2), 0)
            }
        }
        if (!success) revert SafeTransferFromFailed();
    }

    /// @dev Ensures method do not revert or return boolean `true`, admits call to non-smart-contract.
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        if (!_makeCall(token, token.transfer.selector, to, value)) {
            revert SafeTransferFailed();
        }
    }

    /// @dev If `approve(from, to, amount)` fails, try to `approve(from, to, 0)` before retry.
    function forceApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        if (!_makeCall(token, token.approve.selector, spender, value)) {
            if (
                !_makeCall(token, token.approve.selector, spender, 0) ||
                !_makeCall(token, token.approve.selector, spender, value)
            ) {
                revert ForceApproveFailed();
            }
        }
    }

    /// @dev Allowance increase with safe math check.
    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 allowance = token.allowance(address(this), spender);
        if (value > type(uint256).max - allowance) revert SafeIncreaseAllowanceFailed();
        forceApprove(token, spender, allowance + value);
    }

    /// @dev Allowance decrease with safe math check.
    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 allowance = token.allowance(address(this), spender);
        if (value > allowance) revert SafeDecreaseAllowanceFailed();
        forceApprove(token, spender, allowance - value);
    }

    function safePermit(IERC20 token, bytes calldata permit) internal {
        if (!tryPermit(token, msg.sender, address(this), permit)) RevertReasonForwarder.reRevert();
    }

    function safePermit(IERC20 token, address owner, address spender, bytes calldata permit) internal {
        if (!tryPermit(token, owner, spender, permit)) RevertReasonForwarder.reRevert();
    }

    function tryPermit(IERC20 token, bytes calldata permit) internal returns(bool success) {
        return tryPermit(token, msg.sender, address(this), permit);
    }

    function tryPermit(IERC20 token, address owner, address spender, bytes calldata permit) internal returns(bool success) {
        bytes4 permitSelector = IERC20Permit.permit.selector;
        bytes4 daiPermitSelector = IDaiLikePermit.permit.selector;
        bytes4 permit2Selector = IPermit2.permit.selector;
        /// @solidity memory-safe-assembly
        assembly { // solhint-disable-line no-inline-assembly
            let ptr := mload(0x40)
            switch permit.length
            case 100 {
                mstore(ptr, permitSelector)
                mstore(add(ptr, 0x04), owner)
                mstore(add(ptr, 0x24), spender)

                // Compact IERC20Permit.permit(uint256 value, uint32 deadline, uint256 r, uint256 vs)
                {  // stack too deep
                    let deadline := shr(224, calldataload(add(permit.offset, 0x20)))
                    let vs := calldataload(add(permit.offset, 0x44))

                    calldatacopy(add(ptr, 0x44), permit.offset, 0x20) // value
                    mstore(add(ptr, 0x64), sub(deadline, 1))
                    mstore(add(ptr, 0x84), add(27, shr(255, vs)))
                    calldatacopy(add(ptr, 0xa4), add(permit.offset, 0x24), 0x20) // r
                    mstore(add(ptr, 0xc4), shr(1, shl(1, vs)))
                }
                // IERC20Permit.permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s)
                success := call(gas(), token, 0, ptr, 0xe4, 0, 0)
            }
            case 72 {
                mstore(ptr, daiPermitSelector)
                mstore(add(ptr, 0x04), owner)
                mstore(add(ptr, 0x24), spender)

                // Compact IDaiLikePermit.permit(uint32 nonce, uint32 expiry, uint256 r, uint256 vs)
                {  // stack too deep
                    let expiry := shr(224, calldataload(add(permit.offset, 0x04)))
                    let vs := calldataload(add(permit.offset, 0x28))

                    mstore(add(ptr, 0x44), shr(224, calldataload(permit.offset)))
                    mstore(add(ptr, 0x64), sub(expiry, 1))
                    mstore(add(ptr, 0x84), true)
                    mstore(add(ptr, 0xa4), add(27, shr(255, vs)))
                    calldatacopy(add(ptr, 0xc4), add(permit.offset, 0x08), 0x20) // r
                    mstore(add(ptr, 0xe4), shr(1, shl(1, vs)))
                }
                // IDaiLikePermit.permit(address holder, address spender, uint256 nonce, uint256 expiry, bool allowed, uint8 v, bytes32 r, bytes32 s)
                success := call(gas(), token, 0, ptr, 0x104, 0, 0)
            }
            case 224 {
                mstore(ptr, permitSelector)
                calldatacopy(add(ptr, 0x04), permit.offset, permit.length)
                // IERC20Permit.permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s)
                success := call(gas(), token, 0, ptr, add(4, permit.length), 0, 0)
            }
            case 256 {
                mstore(ptr, daiPermitSelector)
                calldatacopy(add(ptr, 0x04), permit.offset, permit.length)
                // IDaiLikePermit.permit(address holder, address spender, uint256 nonce, uint256 expiry, bool allowed, uint8 v, bytes32 r, bytes32 s)
                success := call(gas(), token, 0, ptr, add(4, permit.length), 0, 0)
            }
            case 128 {
                // Compact IPermit2.permit(address owner, PermitSingle calldata permitSingle, bytes calldata signature)
                mstore(ptr, permit2Selector)
                mstore(add(ptr, 0x04), owner)
                mstore(add(ptr, 0x24), token)
                calldatacopy(add(ptr, 0x50), permit.offset, 0x14) // amount
                calldatacopy(add(ptr, 0x7e), add(permit.offset, 0x14), 0x06) // expiration
                calldatacopy(add(ptr, 0x9e), add(permit.offset, 0x1a), 0x06) // nonce
                mstore(add(ptr, 0xa4), spender)
                calldatacopy(add(ptr, 0xc4), add(permit.offset, 0x20), 0x20) // sigDeadline
                mstore(add(ptr, 0xe4), 0x100)
                mstore(add(ptr, 0x104), 0x40)
                calldatacopy(add(ptr, 0x124), add(permit.offset, 0x40), 0x20) // r
                calldatacopy(add(ptr, 0x144), add(permit.offset, 0x60), 0x20) // vs
                // IPermit2.permit(address owner, PermitSingle calldata permitSingle, bytes calldata signature)
                success := call(gas(), _PERMIT2, 0, ptr, 388, 0, 0)
            }
            case 384 {
                mstore(ptr, permit2Selector)
                calldatacopy(add(ptr, 0x04), permit.offset, permit.length)
                // IPermit2.permit(address owner, PermitSingle calldata permitSingle, bytes calldata signature)
                success := call(gas(), _PERMIT2, 0, ptr, 388, 0, 0)
            }
            default {
                mstore(ptr, _PERMIT_LENGHT_ERROR)
                revert(ptr, 4)
            }
        }
    }

    function _makeCall(
        IERC20 token,
        bytes4 selector,
        address to,
        uint256 amount
    ) private returns (bool success) {
        /// @solidity memory-safe-assembly
        assembly { // solhint-disable-line no-inline-assembly
            let data := mload(0x40)

            mstore(data, selector)
            mstore(add(data, 0x04), to)
            mstore(add(data, 0x24), amount)
            success := call(gas(), token, 0, data, 0x44, 0x0, 0x20)
            if success {
                switch returndatasize()
                case 0 {
                    success := gt(extcodesize(token), 0)
                }
                default {
                    success := and(gt(returndatasize(), 31), eq(mload(0), 1))
                }
            }
        }
    }

    function safeDeposit(IWETH weth, uint256 amount) internal {
        if (amount > 0) {
            bytes4 selector = IWETH.deposit.selector;
            /// @solidity memory-safe-assembly
            assembly { // solhint-disable-line no-inline-assembly
                mstore(0, selector)
                if iszero(call(gas(), weth, amount, 0, 4, 0, 0)) {
                    returndatacopy(0, 0, returndatasize())
                    revert(0, returndatasize())
                }
            }
        }
    }

    function safeWithdraw(IWETH weth, uint256 amount) internal {
        bytes4 selector = IWETH.withdraw.selector;
        /// @solidity memory-safe-assembly
        assembly {  // solhint-disable-line no-inline-assembly
            mstore(0, selector)
            mstore(4, amount)
            if iszero(call(gas(), weth, 0, 0, 0x24, 0, 0)) {
                returndatacopy(0, 0, returndatasize())
                revert(0, returndatasize())
            }
        }
    }

    function safeWithdrawTo(IWETH weth, uint256 amount, address to) internal {
        safeWithdraw(weth, amount);
        if (to != address(this)) {
            /// @solidity memory-safe-assembly
            assembly {  // solhint-disable-line no-inline-assembly
                if iszero(call(gas(), to, amount, 0, 0, 0, 0)) {
                    returndatacopy(0, 0, returndatasize())
                    revert(0, returndatasize())
                }
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
pragma abicoder v1;

import "../Errors.sol";

/**
 * @title ContractOnlyEthRecipient
 * @notice Base contract that rejects any direct ethereum deposits. This is a failsafe against users who can accidentaly send ether
 */
abstract contract ContractOnlyEthRecipient {
    receive() external payable {
        // solhint-disable-next-line avoid-tx-origin
        if (msg.sender == tx.origin) {
            revert DirectEthDepositIsForbidden();
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;

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

/**
 * @title ISwapExecutor
 * @notice Interface for executing low level swaps, including all relevant structs and enums
 */
interface ISwapExecutor {
    struct TargetSwapDescription {
        uint256 tokenRatio;
        address target;
        bytes data;
        // uint8 callType; first 8 bits
        // uint8 sourceInteraction; next 8 bits
        // uint32 amountOffset; next 32 bits
        // address sourceTokenInteractionTarget; last 160 bits
        uint256 params;
    }

    struct SwapDescription {
        IERC20 sourceToken;
        TargetSwapDescription[] swaps;
    }

    function executeSwap(address payable recipient, IERC20 tokenToTransfer, SwapDescription[] calldata swapDescriptions) external payable;
}

uint8 constant CALL_TYPE_DIRECT = 0;
uint8 constant CALL_TYPE_CALCULATED = 1;
uint8 constant SOURCE_TOKEN_INTERACTION_NONE = 0;
uint8 constant SOURCE_TOKEN_INTERACTION_TRANSFER = 1;
uint8 constant SOURCE_TOKEN_INTERACTION_APPROVE = 2;

// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
pragma abicoder v1;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@1inch/solidity-utils/contracts/libraries/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";

/**
 * @title TokenLibrary
 * @notice Library for basic interactions with tokens (such as deposits, withdrawals, transfers)
 */
library TokenLibrary {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    function isEth(IERC20 token) internal pure returns(bool) {
        return address(token) == address(0) || address(token) == address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);
    }

    function universalBalanceOf(IERC20 token, address account) internal view returns (uint256) {
        if (isEth(token)) {
            return account.balance;
        } else {
            return token.balanceOf(account);
        }
    }

    function universalTransfer(IERC20 token, address payable to, uint256 amount) internal {
        if (amount == 0) {
            return;
        }
        if (isEth(token)) {
            to.transfer(amount);
        } else {
            token.safeTransfer(to, amount);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
pragma abicoder v1;

enum EnumType {
    SourceTokenInteraction,
    TargetTokenInteraction,
    CallType
}

enum UniswapV3LikeProtocol {
    Uniswap,
    Kyber
}

error EthValueAmountMismatch();
error EthValueSourceTokenMismatch();
error MinReturnError(uint256, uint256);
error EmptySwapOnExecutor();
error EmptySwap();
error ZeroInput();
error ZeroRecipient();
error TransactionExpired(uint256, uint256);
error PermitNotAllowedForEthSwap();
error SwapTotalAmountCannotBeZero();
error SwapAmountCannotBeZero();
error DirectEthDepositIsForbidden();
error MStableInvalidSwapType(uint256);
error AddressCannotBeZero();
error TransferFromNotAllowed();
error EnumOutOfRangeValue(EnumType, uint256);
error BadUniswapV3LikePool(UniswapV3LikeProtocol);

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.0;

import "./Ownable.sol";

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        return _pendingOwner;
    }

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() external {
        address sender = _msgSender();
        require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
pragma abicoder v1;

interface IDaiLikePermit {
    function permit(
        address holder,
        address spender,
        uint256 nonce,
        uint256 expiry,
        bool allowed,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IPermit2 {
    struct PermitDetails {
        // ERC20 token address
        address token;
        // the maximum amount allowed to spend
        uint160 amount;
        // timestamp at which a spender's token allowances become invalid
        uint48 expiration;
        // an incrementing value indexed per owner,token,and spender for each signature
        uint48 nonce;
    }
    /// @notice The permit message signed for a single token allownce
    struct PermitSingle {
        // the permit data for a single token alownce
        PermitDetails details;
        // address permissioned on the allowed tokens
        address spender;
        // deadline on the permit signature
        uint256 sigDeadline;
    }
    /// @notice Packed allowance
    struct PackedAllowance {
        // amount allowed
        uint160 amount;
        // permission expiry
        uint48 expiration;
        // an incrementing value indexed per owner,token,and spender for each signature
        uint48 nonce;
    }

    function transferFrom(address user, address spender, uint160 amount, address token) external;

    function permit(address owner, PermitSingle memory permitSingle, bytes calldata signature) external;

    function allowance(address user, address token, address spender) external view returns (PackedAllowance memory);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
pragma abicoder v1;

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

interface IWETH is IERC20 {
    function deposit() external payable;

    function withdraw(uint256 amount) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
pragma abicoder v1;

/// @title Revert reason forwarder.
library RevertReasonForwarder {
    /// @dev Forwards latest externall call revert.
    function reRevert() internal pure {
        // bubble up revert reason from latest external call
        /// @solidity memory-safe-assembly
        assembly { // solhint-disable-line no-inline-assembly
            let ptr := mload(0x40)
            returndatacopy(ptr, 0, returndatasize())
            revert(ptr, returndatasize())
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

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

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// 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;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"EmptySwap","type":"error"},{"inputs":[],"name":"EthValueAmountMismatch","type":"error"},{"inputs":[],"name":"EthValueSourceTokenMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"MinReturnError","type":"error"},{"inputs":[],"name":"PermitNotAllowedForEthSwap","type":"error"},{"inputs":[],"name":"SafeTransferFailed","type":"error"},{"inputs":[],"name":"SafeTransferFromFailed","type":"error"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"TransactionExpired","type":"error"},{"inputs":[],"name":"ZeroInput","type":"error"},{"inputs":[],"name":"ZeroRecipient","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISwapExecutor","name":"executor","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"contract IERC20","name":"targetToken","type":"address"},{"internalType":"uint256","name":"minReturn","type":"uint256"},{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"components":[{"internalType":"contract IERC20","name":"sourceToken","type":"address"},{"components":[{"internalType":"uint256","name":"tokenRatio","type":"uint256"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"params","type":"uint256"}],"internalType":"struct ISwapExecutor.TargetSwapDescription[]","name":"swaps","type":"tuple[]"}],"internalType":"struct ISwapExecutor.SwapDescription[]","name":"swapDescriptions","type":"tuple[]"},{"internalType":"bytes","name":"permit","type":"bytes"}],"name":"swap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"destination","type":"address"}],"name":"sweep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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