Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "./interfaces/IWETH.sol";

/**
 @title Facilitates verification of Signature and swap execution.
*/
contract DfynRFQ is Ownable {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;
    using ECDSA for bytes32;

    /// @dev Maximum `swapFee` is 1%.
    uint256 internal constant MAX_FEE = 1000;
    /// @dev 1 corresponds to 0.001% fee.
    uint256 public swapFee;

    address public feeAddress;
    uint256 public immutable chainId = block.chainid;
    address public immutable WETH;

    event SwapExecuted(
        address user,
        address indexed custodian,
        address token0,
        address token1,
        uint256 amount0,
        uint256 amount1,
        uint256 nonce,
        bytes signature
    );

    event SwapFeeUpdated(uint256 newSwapFee);

    event TokenFeeUpdated(address token, uint256 newSwapFee);

    event FeeAddressUpdated(address newFeeAddress);

    struct Swap {
        address user;
        address custodian;
        address token0;
        address token1;
        uint256 amount0;
        uint256 amount1;
        uint64 deadline;
        uint256 nonce;
        uint256 chainId;
    }

    // user => nonce
    mapping(address => uint256) public nonces;

    // custodian => signer => status
    mapping(address => mapping(address => bool)) public signers;

    // whitelisted custodians => access status
    mapping(address => bool) public whitelisted;

    // feeTokenAddress => feeValue
    mapping(address => uint256) public tokenFee;

    constructor(uint256 _swapFee, address _weth) {
        require(_swapFee <= MAX_FEE, "Swap fee cannot be > 1%");
        swapFee = _swapFee;
        feeAddress = owner();
        WETH = _weth;
    }

    /**
     * @dev Throws if custodian is not whitelisted.
     */
    modifier onlyWhitelisted(address _custodian) {
        require(whitelisted[_custodian], "Not a whitelisted custodian");
        _;
    }

    /// @dev Function to update the swap fee. Called only from the Owner.
    /// @param _swapFee the new swap fee
    function updateSwapFee(uint256 _swapFee) external onlyOwner {
        require(_swapFee <= MAX_FEE, "Swap fee cannot be > 1%");
        swapFee = _swapFee;
        emit SwapFeeUpdated(_swapFee);
    }

    /// @dev Function to update the swap fee. Called only from the Owner.
    /// @param _tokenAddress the address of token
    /// @param _swapFee the new swap fee
    function updateTokenFee(address _tokenAddress, uint256 _swapFee) external onlyOwner {
        require(_swapFee <= MAX_FEE, "Swap fee cannot be > 1%");
        tokenFee[_tokenAddress] = _swapFee;
        emit TokenFeeUpdated(_tokenAddress, _swapFee);
    }

    /// @dev Function to update the feeAddress. Called only from the Owner.
    /// @param _newFeeAddress the new swap fee address
    function updateFeeAddress(address _newFeeAddress) external onlyOwner {
        require(_newFeeAddress != address(0));
        feeAddress = _newFeeAddress;
        emit FeeAddressUpdated(_newFeeAddress);
    }

    /**
       @notice Add signer address for the respective Custodian
       @param _signer address provided by Custodian
    */
    function addSigner(address _signer) external onlyWhitelisted(msg.sender) {
        require(_signer != address(0), "_signer != address(0)");
        signers[msg.sender][_signer] = true;
    }

    /**
       @notice Removes signer address for the respective Custodian
       @param _signer address provided by Custodian
    */
    function removeSigner(address _signer) external {
        signers[msg.sender][_signer] = false;
    }

    /**
       @notice Add custodian address to whitelist.
       @param _custodian custodian to whitelist
    */
    function addWhitelist(address _custodian) external onlyOwner {
        require(!whitelisted[_custodian], "Custodian already in the whitelist");
        whitelisted[_custodian] = true;
    }

    /**
       @notice Remove custodian address from whitelist.
       @param _custodian custodian to remove from whitelist
    */
    function removeWhitelist(address _custodian) external onlyOwner onlyWhitelisted(_custodian) {
        whitelisted[_custodian] = false;
    }

    /**
       @notice Returns hash of swap parameters
       @param swap swap parameters from struct
    */
    function getMessageHash(Swap memory swap) public pure returns (bytes32) {
        return keccak256(abi.encode(swap));
    }

    /**
       @notice Returns true if address generated by the ethSignedMessageHash and signature
        is signer's address who signed the hashed message.
       @param swap swap parameters from struct
       @param signature returned by signer
    */
    function verify(Swap memory swap, bytes calldata signature) public view returns (bool) {
        bytes32 messageHash = getMessageHash(swap);
        bytes32 ethSignedMessageHash = messageHash.toEthSignedMessageHash();
        return signers[swap.custodian][ethSignedMessageHash.recover(signature)];
    }

    /**
       @notice Swaps from Native to ERC-20 token
    */
    function swapNativeToToken(
        address custodian,
        address[] calldata tokens,
        uint256[] calldata amounts,
        uint64 deadline,
        bytes calldata signature
    ) external payable returns (bool) {
        require(tokens[0] == WETH, "Invalid Native Token");
        require(amounts[0] == msg.value, "Excessive Input Amount");
        IWETH(WETH).deposit{ value: amounts[0] }();

        _swap(custodian, tokens, amounts, deadline, signature);

        uint256 feeAmount = _calculateFee(tokens[0], tokens[1], amounts[1]);

        IERC20(tokens[1]).safeTransferFrom(custodian, feeAddress, feeAmount);
        IERC20(tokens[1]).safeTransferFrom(custodian, msg.sender, amounts[1].sub(feeAmount));
        IWETH(WETH).transfer(custodian, amounts[0]);

        return true;
    }

    /**
       @notice Swaps from ERC-20 token to Native
    */
    function swapTokenToNative(
        address custodian,
        address[] calldata tokens,
        uint256[] calldata amounts,
        uint64 deadline,
        bytes calldata signature
    ) external returns (bool) {
        require(tokens[1] == WETH, "Invalid Native Token");

        _swap(custodian, tokens, amounts, deadline, signature);

        uint256 feeAmount = _calculateFee(tokens[0], tokens[1], amounts[1]);
        uint256 amountAfterFee = amounts[1].sub(feeAmount);

        IERC20(tokens[0]).safeTransferFrom(msg.sender, custodian, amounts[0]);
        IERC20(tokens[1]).safeTransferFrom(custodian, feeAddress, feeAmount);
        IERC20(tokens[1]).safeTransferFrom(custodian, address(this), amountAfterFee);
        IWETH(WETH).withdraw(amountAfterFee);
        (bool success,) =  msg.sender.call{value : amountAfterFee}("");
        require(success,"Transfer Failed");

        return true;
    }

    /**
       @notice Swaps from ERC-20 token to ERC-20.
    */
    function swapTokens(
        address custodian,
        address[] calldata tokens,
        uint256[] calldata amounts,
        uint64 deadline,
        bytes calldata signature
    ) external returns (bool) {
        _swap(custodian, tokens, amounts, deadline, signature);

        uint256 feeAmount = _calculateFee(tokens[0], tokens[1], amounts[1]);

        IERC20(tokens[1]).safeTransferFrom(custodian, feeAddress, feeAmount);
        IERC20(tokens[1]).safeTransferFrom(custodian, msg.sender, amounts[1].sub(feeAmount));
        IERC20(tokens[0]).safeTransferFrom(msg.sender, custodian, amounts[0]);

        return true;
    }

    /// @dev fee calculation logic
    /// @param token0 token0 address
    /// @param token1 token1 address
    /// @param amount1 output token amount
    /// @return feeAmount amount of fee to be deducted in token1
    function _calculateFee(
        address token0,
        address token1,
        uint256 amount1
    ) internal view returns (uint256 feeAmount) {
        uint256 fee;
        if (tokenFee[token0] == 0 || tokenFee[token1] == 0) fee = swapFee;
        else fee = tokenFee[token0] > tokenFee[token1] ? tokenFee[token0] : tokenFee[token1];

        feeAmount = amount1.mul(fee).div(100000);
    }

    /**
       @notice Swap execution logic
       @dev Internal function to verify and execute the swap
    */
    function _swap(
        address custodian,
        address[] calldata tokens,
        uint256[] calldata amounts,
        uint64 deadline,
        bytes calldata signature
    ) internal onlyWhitelisted(custodian) returns (bool) {

        require(tokens[0] != tokens[1], "Same token swap is not allowed");
        require(tokens.length == amounts.length, "Array size mismatch");
        require(tokens.length == 2, "Array with inadequate size");
        
        Swap memory swap = Swap({
            user: msg.sender,
            custodian: custodian,
            token0: tokens[0],
            token1: tokens[1],
            amount0: amounts[0],
            amount1: amounts[1],
            deadline: deadline,
            nonce: nonces[msg.sender],
            chainId: chainId
        });

        require(block.timestamp < swap.deadline, "Expired Order");
        require(verify(swap, signature), "Invalid Signer");
        require(swap.amount1 > 0 && swap.amount0 > 0, "amount != 0");

        // increase nonce for user (to avoid re-use)
        nonces[msg.sender] = swap.nonce + 1;

        emit SwapExecuted(
            swap.user,
            swap.custodian,
            swap.token0,
            swap.token1,
            swap.amount0,
            swap.amount1,
            swap.nonce,
            signature
        );

        return true;
    }

    function renounceOwnership() public view override onlyOwner{
        
        revert("This feature is not available");
    }

    receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

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

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 (last updated v4.5.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// 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
pragma solidity ^0.8.10;

interface IWETH {
    function deposit() external payable;

    function transfer(address to, uint256 value) external returns (bool);

    function withdraw(uint256) external;

    function transferFrom(
        address src,
        address dst,
        uint256 wad
    ) external returns (bool);

    function approve(address guy, uint256 wad) external returns (bool);
}

// 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 (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// 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: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    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] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

{
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 9999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"_swapFee","type":"uint256"},{"internalType":"address","name":"_weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newFeeAddress","type":"address"}],"name":"FeeAddressUpdated","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"custodian","type":"address"},{"indexed":false,"internalType":"address","name":"token0","type":"address"},{"indexed":false,"internalType":"address","name":"token1","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"nonce","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"signature","type":"bytes"}],"name":"SwapExecuted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newSwapFee","type":"uint256"}],"name":"SwapFeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"newSwapFee","type":"uint256"}],"name":"TokenFeeUpdated","type":"event"},{"inputs":[],"name":"WETH","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"addSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_custodian","type":"address"}],"name":"addWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"chainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"custodian","type":"address"},{"internalType":"address","name":"token0","type":"address"},{"internalType":"address","name":"token1","type":"address"},{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"},{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"internalType":"struct DfynRFQ.Swap","name":"swap","type":"tuple"}],"name":"getMessageHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"removeSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_custodian","type":"address"}],"name":"removeWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"signers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"swapFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"custodian","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"swapNativeToToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"custodian","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"swapTokenToNative","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"custodian","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"swapTokens","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newFeeAddress","type":"address"}],"name":"updateFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_swapFee","type":"uint256"}],"name":"updateSwapFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_swapFee","type":"uint256"}],"name":"updateTokenFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"custodian","type":"address"},{"internalType":"address","name":"token0","type":"address"},{"internalType":"address","name":"token1","type":"address"},{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"},{"internalType":"uint64","name":"deadline","type":"uint64"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"internalType":"struct DfynRFQ.Swap","name":"swap","type":"tuple"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"verify","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf1270

-----Decoded View---------------
Arg [0] : _swapFee (uint256): 1
Arg [1] : _weth (address): 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [1] : 0000000000000000000000000d500b1d8e8ef31e21c99d1db9a6444d3adf1270