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 0.8.17;

import "@openzeppelin/contracts/access/Ownable2Step.sol";
import "@openzeppelin/contracts/utils/cryptography/EIP712.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "./interfaces/ISwapERC20.sol";

/**
 * @title AirSwap: Atomic ERC20 Token Swap
 * @notice https://www.airswap.io/
 */
contract SwapERC20 is ISwapERC20, Ownable2Step, EIP712 {
  using SafeERC20 for IERC20;

  bytes32 public constant ORDER_TYPEHASH =
    keccak256(
      abi.encodePacked(
        "OrderERC20(uint256 nonce,uint256 expiry,address signerWallet,address signerToken,uint256 signerAmount,",
        "uint256 protocolFee,address senderWallet,address senderToken,uint256 senderAmount)"
      )
    );

  // Domain name and version for use in EIP712 signatures
  string public constant DOMAIN_NAME = "SWAP_ERC20";
  string public constant DOMAIN_VERSION = "4";
  uint256 public immutable DOMAIN_CHAIN_ID;
  bytes32 public immutable DOMAIN_SEPARATOR;

  uint256 public constant FEE_DIVISOR = 10000;
  uint256 internal constant MAX_PERCENTAGE = 100;
  uint256 internal constant MAX_SCALE = 77;
  uint256 internal constant MAX_ERROR_COUNT = 9;

  /**
   * @notice Double mapping of signers to nonce groups to nonce states
   * @dev The nonce group is computed as nonce / 256, so each group of 256 sequential nonces uses the same key
   * @dev The nonce states are encoded as 256 bits, for each nonce in the group 0 means available and 1 means used
   */
  mapping(address => mapping(uint256 => uint256)) internal _nonceGroups;

  // Mapping of signer to authorized signatory
  mapping(address => address) public override authorized;

  uint256 public protocolFee;
  uint256 public protocolFeeLight;
  address public protocolFeeWallet;
  uint256 public rebateScale;
  uint256 public rebateMax;
  address public staking;

  /**
   * @notice Constructor
   * @dev Sets domain and version for EIP712 signatures
   * @param _protocolFee uin256 fee to be assessed on swaps
   * @param _protocolFeeWallet address destination for fees
   * @param _rebateScale uin256 scale factor for rebate
   * @param _rebateMax uint256 max rebate percentage
   * @param _staking address staking contract address
   */
  constructor(
    uint256 _protocolFee,
    uint256 _protocolFeeLight,
    address _protocolFeeWallet,
    uint256 _rebateScale,
    uint256 _rebateMax,
    address _staking
  ) EIP712(DOMAIN_NAME, DOMAIN_VERSION) {
    if (_protocolFee >= FEE_DIVISOR) revert InvalidFee();
    if (_protocolFeeLight >= FEE_DIVISOR) revert InvalidFeeLight();
    if (_protocolFeeWallet == address(0)) revert InvalidFeeWallet();
    if (_rebateScale > MAX_SCALE) revert ScaleTooHigh();
    if (_rebateMax > MAX_PERCENTAGE) revert MaxTooHigh();
    if (_staking == address(0)) revert InvalidStaking();

    DOMAIN_CHAIN_ID = block.chainid;
    DOMAIN_SEPARATOR = _domainSeparatorV4();

    protocolFee = _protocolFee;
    protocolFeeLight = _protocolFeeLight;
    protocolFeeWallet = _protocolFeeWallet;
    rebateScale = _rebateScale;
    rebateMax = _rebateMax;
    staking = _staking;
  }

  /**
   * @notice Atomic ERC20 Swap
   * @param recipient address Wallet to receive sender proceeds
   * @param nonce uint256 Unique and should be sequential
   * @param expiry uint256 Expiry in seconds since 1 January 1970
   * @param signerWallet address Wallet of the signer
   * @param signerToken address ERC20 token transferred from the signer
   * @param signerAmount uint256 Amount transferred from the signer
   * @param senderToken address ERC20 token transferred from the sender
   * @param senderAmount uint256 Amount transferred from the sender
   * @param v uint8 "v" value of the ECDSA signature
   * @param r bytes32 "r" value of the ECDSA signature
   * @param s bytes32 "s" value of the ECDSA signature
   */
  function swap(
    address recipient,
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external override {
    // Ensure the order is valid for signer and sender
    _check(
      nonce,
      expiry,
      signerWallet,
      signerToken,
      signerAmount,
      msg.sender,
      senderToken,
      senderAmount,
      v,
      r,
      s
    );

    // Transfer token from sender to signer
    IERC20(senderToken).safeTransferFrom(
      msg.sender,
      signerWallet,
      senderAmount
    );

    // Transfer token from signer to recipient
    IERC20(signerToken).safeTransferFrom(signerWallet, recipient, signerAmount);

    // Calculate and transfer protocol fee and any rebate
    _transferProtocolFee(signerToken, signerWallet, signerAmount);

    // Emit a Swap event
    emit SwapERC20(
      nonce,
      signerWallet,
      signerToken,
      signerAmount,
      protocolFee,
      msg.sender,
      senderToken,
      senderAmount
    );
  }

  /**
   * @notice Atomic ERC20 Swap for Any Sender
   * @param recipient address Wallet to receive sender proceeds
   * @param nonce uint256 Unique and should be sequential
   * @param expiry uint256 Expiry in seconds since 1 January 1970
   * @param signerWallet address Wallet of the signer
   * @param signerToken address ERC20 token transferred from the signer
   * @param signerAmount uint256 Amount transferred from the signer
   * @param senderToken address ERC20 token transferred from the sender
   * @param senderAmount uint256 Amount transferred from the sender
   * @param v uint8 "v" value of the ECDSA signature
   * @param r bytes32 "r" value of the ECDSA signature
   * @param s bytes32 "s" value of the ECDSA signature
   */
  function swapAnySender(
    address recipient,
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external override {
    // Ensure the order is valid
    _check(
      nonce,
      expiry,
      signerWallet,
      signerToken,
      signerAmount,
      address(0),
      senderToken,
      senderAmount,
      v,
      r,
      s
    );

    // Transfer token from sender to signer
    IERC20(senderToken).safeTransferFrom(
      msg.sender,
      signerWallet,
      senderAmount
    );

    // Transfer token from signer to recipient
    IERC20(signerToken).safeTransferFrom(signerWallet, recipient, signerAmount);

    // Calculate and transfer protocol fee and any rebate
    _transferProtocolFee(signerToken, signerWallet, signerAmount);

    // Emit a Swap event
    emit SwapERC20(
      nonce,
      signerWallet,
      signerToken,
      signerAmount,
      protocolFee,
      msg.sender,
      senderToken,
      senderAmount
    );
  }

  /**
   * @notice Swap Atomic ERC20 Swap (Low Gas Usage)
   * @param nonce uint256 Unique and should be sequential
   * @param expiry uint256 Expiry in seconds since 1 January 1970
   * @param signerWallet address Wallet of the signer
   * @param signerToken address ERC20 token transferred from the signer
   * @param signerAmount uint256 Amount transferred from the signer
   * @param senderToken address ERC20 token transferred from the sender
   * @param senderAmount uint256 Amount transferred from the sender
   * @param v uint8 "v" value of the ECDSA signature
   * @param r bytes32 "r" value of the ECDSA signature
   * @param s bytes32 "s" value of the ECDSA signature
   */
  function swapLight(
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external override {
    if (DOMAIN_CHAIN_ID != block.chainid) revert ChainIdChanged();

    // Ensure the expiry is not passed
    if (expiry <= block.timestamp) revert OrderExpired();

    // Recover the signatory from the hash and signature
    (address signatory, ) = ECDSA.tryRecover(
      keccak256(
        abi.encodePacked(
          "\x19\x01", // EIP191: Indicates EIP712
          DOMAIN_SEPARATOR,
          keccak256(
            abi.encode(
              ORDER_TYPEHASH,
              nonce,
              expiry,
              signerWallet,
              signerToken,
              signerAmount,
              protocolFeeLight,
              msg.sender,
              senderToken,
              senderAmount
            )
          )
        )
      ),
      v,
      r,
      s
    );

    // Ensure the signatory is not null
    if (signatory == address(0)) revert SignatureInvalid();

    // Ensure the nonce is not yet used and if not mark it used
    if (!_markNonceAsUsed(signatory, nonce)) revert NonceAlreadyUsed(nonce);

    // Ensure signatory is authorized to sign
    if (authorized[signerWallet] != address(0)) {
      // If one is set by signer wallet, signatory must be authorized
      if (signatory != authorized[signerWallet]) revert SignatoryUnauthorized();
    } else {
      // Otherwise, signatory must be signer wallet
      if (signatory != signerWallet) revert Unauthorized();
    }

    // Transfer token from sender to signer
    IERC20(senderToken).safeTransferFrom(
      msg.sender,
      signerWallet,
      senderAmount
    );

    // Transfer token from signer to recipient
    IERC20(signerToken).safeTransferFrom(
      signerWallet,
      msg.sender,
      signerAmount
    );

    // Transfer fee from signer to feeWallet
    IERC20(signerToken).safeTransferFrom(
      signerWallet,
      protocolFeeWallet,
      (signerAmount * protocolFeeLight) / FEE_DIVISOR
    );

    // Emit a Swap event
    emit SwapERC20(
      nonce,
      signerWallet,
      signerToken,
      signerAmount,
      protocolFeeLight,
      msg.sender,
      senderToken,
      senderAmount
    );
  }

  /**
   * @notice Set the fee
   * @param _protocolFee uint256 Value of the fee in basis points
   */
  function setProtocolFee(uint256 _protocolFee) external onlyOwner {
    // Ensure the fee is less than divisor
    if (_protocolFee >= FEE_DIVISOR) revert InvalidFee();
    protocolFee = _protocolFee;
    emit SetProtocolFee(_protocolFee);
  }

  /**
   * @notice Set the light fee
   * @param _protocolFeeLight uint256 Value of the fee in basis points
   */
  function setProtocolFeeLight(uint256 _protocolFeeLight) external onlyOwner {
    // Ensure the fee is less than divisor
    if (_protocolFeeLight >= FEE_DIVISOR) revert InvalidFeeLight();
    protocolFeeLight = _protocolFeeLight;
    emit SetProtocolFeeLight(_protocolFeeLight);
  }

  /**
   * @notice Set the fee wallet
   * @param _protocolFeeWallet address Wallet to transfer fee to
   */
  function setProtocolFeeWallet(address _protocolFeeWallet) external onlyOwner {
    // Ensure the new fee wallet is not null
    if (_protocolFeeWallet == address(0)) revert InvalidFeeWallet();
    protocolFeeWallet = _protocolFeeWallet;
    emit SetProtocolFeeWallet(_protocolFeeWallet);
  }

  /**
   * @notice Set scale
   * @dev Only owner
   * @param _rebateScale uint256
   */
  function setRebateScale(uint256 _rebateScale) external onlyOwner {
    if (_rebateScale > MAX_SCALE) revert ScaleTooHigh();
    rebateScale = _rebateScale;
    emit SetRebateScale(_rebateScale);
  }

  /**
   * @notice Set max
   * @dev Only owner
   * @param _rebateMax uint256
   */
  function setRebateMax(uint256 _rebateMax) external onlyOwner {
    if (_rebateMax > MAX_PERCENTAGE) revert MaxTooHigh();
    rebateMax = _rebateMax;
    emit SetRebateMax(_rebateMax);
  }

  /**
   * @notice Set the staking token
   * @param newstaking address Token to check balances on
   */
  function setStaking(address newstaking) external onlyOwner {
    // Ensure the new staking token is not null
    if (newstaking == address(0)) revert InvalidStaking();
    staking = newstaking;
    emit SetStaking(newstaking);
  }

  /**
   * @notice Authorize a signatory
   * @param signatory address Wallet of the signatory to authorize
   * @dev Emits an Authorize event
   */
  function authorize(address signatory) external override {
    if (signatory == address(0)) revert SignatoryInvalid();
    authorized[msg.sender] = signatory;
    emit Authorize(signatory, msg.sender);
  }

  /**
   * @notice Revoke the signatory
   * @dev Emits a Revoke event
   */
  function revoke() external override {
    address tmp = authorized[msg.sender];
    delete authorized[msg.sender];
    emit Revoke(tmp, msg.sender);
  }

  /**
   * @notice Cancel one or more nonces
   * @dev Cancelled nonces are marked as used
   * @dev Emits a Cancel event
   * @dev Out of gas may occur in arrays of length > 400
   * @param nonces uint256[] List of nonces to cancel
   */
  function cancel(uint256[] calldata nonces) external override {
    for (uint256 i = 0; i < nonces.length; i++) {
      uint256 nonce = nonces[i];
      if (_markNonceAsUsed(msg.sender, nonce)) {
        emit Cancel(nonce, msg.sender);
      }
    }
  }

  /**
   * @notice Checks order and returns list of errors
   * @param senderWallet address Wallet that would send the order
   * @param nonce uint256 Unique and should be sequential
   * @param expiry uint256 Expiry in seconds since 1 January 1970
   * @param signerWallet address Wallet of the signer
   * @param signerToken address ERC20 token transferred from the signer
   * @param signerAmount uint256 Amount transferred from the signer
   * @param senderToken address ERC20 token transferred from the sender
   * @param senderAmount uint256 Amount transferred from the sender
   * @param v uint8 "v" value of the ECDSA signature
   * @param r bytes32 "r" value of the ECDSA signature
   * @param s bytes32 "s" value of the ECDSA signature
   * @return tuple of error count and bytes32[] memory array of error messages
   */
  function check(
    address senderWallet,
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) public view returns (uint256, bytes32[] memory) {
    bytes32[] memory errors = new bytes32[](MAX_ERROR_COUNT);
    OrderERC20 memory order;
    uint256 errCount;
    order.nonce = nonce;
    order.expiry = expiry;
    order.signerWallet = signerWallet;
    order.signerToken = signerToken;
    order.signerAmount = signerAmount;
    order.senderToken = senderToken;
    order.senderAmount = senderAmount;
    order.v = v;
    order.r = r;
    order.s = s;
    order.senderWallet = senderWallet;

    address signatory = ecrecover(
      _getOrderHash(
        order.nonce,
        order.expiry,
        order.signerWallet,
        order.signerToken,
        order.signerAmount,
        order.senderWallet,
        order.senderToken,
        order.senderAmount
      ),
      order.v,
      order.r,
      order.s
    );

    if (signatory == address(0)) {
      errors[errCount] = "SignatureInvalid";
      errCount++;
    } else {
      if (
        authorized[order.signerWallet] != address(0) &&
        signatory != authorized[order.signerWallet]
      ) {
        errors[errCount] = "SignatoryUnauthorized";
        errCount++;
      } else if (
        authorized[order.signerWallet] == address(0) &&
        signatory != order.signerWallet
      ) {
        errors[errCount] = "Unauthorized";
        errCount++;
      } else if (nonceUsed(signatory, order.nonce)) {
        errors[errCount] = "NonceAlreadyUsed";
        errCount++;
      }
    }

    if (order.expiry < block.timestamp) {
      errors[errCount] = "OrderExpired";
      errCount++;
    }

    if (order.senderWallet != address(0)) {
      uint256 senderBalance = IERC20(order.senderToken).balanceOf(
        order.senderWallet
      );

      uint256 senderAllowance = IERC20(order.senderToken).allowance(
        order.senderWallet,
        address(this)
      );

      if (senderAllowance < order.senderAmount) {
        errors[errCount] = "SenderAllowanceLow";
        errCount++;
      }

      if (senderBalance < order.senderAmount) {
        errors[errCount] = "SenderBalanceLow";
        errCount++;
      }
    }

    uint256 signerBalance = IERC20(order.signerToken).balanceOf(
      order.signerWallet
    );

    uint256 signerAllowance = IERC20(order.signerToken).allowance(
      order.signerWallet,
      address(this)
    );

    uint256 signerFeeAmount = (order.signerAmount * protocolFee) / FEE_DIVISOR;

    if (signerAllowance < order.signerAmount + signerFeeAmount) {
      errors[errCount] = "SignerAllowanceLow";
      errCount++;
    }

    if (signerBalance < order.signerAmount + signerFeeAmount) {
      errors[errCount] = "SignerBalanceLow";
      errCount++;
    }

    return (errCount, errors);
  }

  /**
   * @notice Calculate output amount for an input score
   * @param stakingBalance uint256
   * @param feeAmount uint256
   */
  function calculateDiscount(
    uint256 stakingBalance,
    uint256 feeAmount
  ) public view returns (uint256) {
    uint256 divisor = (uint256(10) ** rebateScale) + stakingBalance;
    return (rebateMax * stakingBalance * feeAmount) / divisor / 100;
  }

  /**
   * @notice Calculates and refers fee amount
   * @param wallet address
   * @param amount uint256
   */
  function calculateProtocolFee(
    address wallet,
    uint256 amount
  ) public view override returns (uint256) {
    // Transfer fee from signer to feeWallet
    uint256 feeAmount = (amount * protocolFee) / FEE_DIVISOR;
    if (feeAmount > 0) {
      uint256 discountAmount = calculateDiscount(
        IERC20(staking).balanceOf(wallet),
        feeAmount
      );
      return feeAmount - discountAmount;
    }
    return feeAmount;
  }

  /**
   * @notice Returns true if the nonce has been used
   * @param signer address Address of the signer
   * @param nonce uint256 Nonce being checked
   */
  function nonceUsed(
    address signer,
    uint256 nonce
  ) public view override returns (bool) {
    uint256 groupKey = nonce / 256;
    uint256 indexInGroup = nonce % 256;
    return (_nonceGroups[signer][groupKey] >> indexInGroup) & 1 == 1;
  }

  /**
   * @notice Marks a nonce as used for the given signer
   * @param signer address Address of the signer for which to mark the nonce as used
   * @param nonce uint256 Nonce to be marked as used
   * @return bool True if the nonce was not marked as used already
   */
  function _markNonceAsUsed(
    address signer,
    uint256 nonce
  ) internal returns (bool) {
    uint256 groupKey = nonce / 256;
    uint256 indexInGroup = nonce % 256;
    uint256 group = _nonceGroups[signer][groupKey];

    // If it is already used, return false
    if ((group >> indexInGroup) & 1 == 1) {
      return false;
    }

    _nonceGroups[signer][groupKey] = group | (uint256(1) << indexInGroup);

    return true;
  }

  /**
   * @notice Checks order and reverts on error
   * @param nonce uint256 Unique and should be sequential
   * @param expiry uint256 Expiry in seconds since 1 January 1970
   * @param signerWallet address Wallet of the signer
   * @param signerToken address ERC20 token transferred from the signer
   * @param signerAmount uint256 Amount transferred from the signer
   * @param senderToken address ERC20 token transferred from the sender
   * @param senderAmount uint256 Amount transferred from the sender
   * @param v uint8 "v" value of the ECDSA signature
   * @param r bytes32 "r" value of the ECDSA signature
   * @param s bytes32 "s" value of the ECDSA signature
   */
  function _check(
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderWallet,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) internal {
    // Ensure execution on the intended chain
    if (DOMAIN_CHAIN_ID != block.chainid) revert ChainIdChanged();

    // Ensure the expiry is not passed
    if (expiry <= block.timestamp) revert OrderExpired();

    // Recover the signatory from the hash and signature
    (address signatory, ) = ECDSA.tryRecover(
      _getOrderHash(
        nonce,
        expiry,
        signerWallet,
        signerToken,
        signerAmount,
        senderWallet,
        senderToken,
        senderAmount
      ),
      v,
      r,
      s
    );

    // Ensure the signatory is not null
    if (signatory == address(0)) revert SignatureInvalid();

    // Ensure signatory is authorized to sign
    if (authorized[signerWallet] != address(0)) {
      // If one is set by signer wallet, signatory must be authorized
      if (signatory != authorized[signerWallet]) revert SignatoryUnauthorized();
    } else {
      // Otherwise, signatory must be signer wallet
      if (signatory != signerWallet) revert Unauthorized();
    }

    // Ensure the nonce is not yet used and if not mark it used
    if (!_markNonceAsUsed(signatory, nonce)) revert NonceAlreadyUsed(nonce);
  }

  /**
   * @notice Hash order parameters
   * @param nonce uint256
   * @param expiry uint256
   * @param signerWallet address
   * @param signerToken address
   * @param signerAmount uint256
   * @param senderToken address
   * @param senderAmount uint256
   * @return bytes32
   */
  function _getOrderHash(
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderWallet,
    address senderToken,
    uint256 senderAmount
  ) internal view returns (bytes32) {
    return
      keccak256(
        abi.encodePacked(
          "\x19\x01", // EIP191: Indicates EIP712
          DOMAIN_SEPARATOR,
          keccak256(
            abi.encode(
              ORDER_TYPEHASH,
              nonce,
              expiry,
              signerWallet,
              signerToken,
              signerAmount,
              protocolFee,
              senderWallet,
              senderToken,
              senderAmount
            )
          )
        )
      );
  }

  /**
   * @notice Calculates and transfers protocol fee and rebate
   * @param sourceToken address
   * @param sourceWallet address
   * @param amount uint256
   */
  function _transferProtocolFee(
    address sourceToken,
    address sourceWallet,
    uint256 amount
  ) internal {
    // Transfer fee from signer to feeWallet
    uint256 feeAmount = (amount * protocolFee) / FEE_DIVISOR;
    if (feeAmount > 0) {
      uint256 discountAmount = calculateDiscount(
        IERC20(staking).balanceOf(msg.sender),
        feeAmount
      );
      if (discountAmount > 0) {
        // Transfer fee from signer to sender
        IERC20(sourceToken).safeTransferFrom(
          sourceWallet,
          msg.sender,
          discountAmount
        );
        // Transfer fee from signer to feeWallet
        IERC20(sourceToken).safeTransferFrom(
          sourceWallet,
          protocolFeeWallet,
          feeAmount - discountAmount
        );
      } else {
        IERC20(sourceToken).safeTransferFrom(
          sourceWallet,
          protocolFeeWallet,
          feeAmount
        );
      }
    }
  }
}

// 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 (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 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
// 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 v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

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

    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));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

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

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        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 (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

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

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

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

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

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

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

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

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

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

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts 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 (last updated v4.8.0) (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 // Deprecated in v4.8
    }

    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");
        }
    }

    /**
     * @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) {
        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.
            /// @solidity memory-safe-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 {
            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 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 v4.8.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
 * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
 * they need in their contracts using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * _Available since v3.4._
 */
abstract contract EIP712 {
    /* solhint-disable var-name-mixedcase */
    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
    // invalidate the cached domain separator if the chain id changes.
    bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
    uint256 private immutable _CACHED_CHAIN_ID;
    address private immutable _CACHED_THIS;

    bytes32 private immutable _HASHED_NAME;
    bytes32 private immutable _HASHED_VERSION;
    bytes32 private immutable _TYPE_HASH;

    /* solhint-enable var-name-mixedcase */

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    constructor(string memory name, string memory version) {
        bytes32 hashedName = keccak256(bytes(name));
        bytes32 hashedVersion = keccak256(bytes(version));
        bytes32 typeHash = keccak256(
            "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
        );
        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
        _CACHED_CHAIN_ID = block.chainid;
        _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion);
        _CACHED_THIS = address(this);
        _TYPE_HASH = typeHash;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) {
            return _CACHED_DOMAIN_SEPARATOR;
        } else {
            return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
        }
    }

    function _buildDomainSeparator(
        bytes32 typeHash,
        bytes32 nameHash,
        bytes32 versionHash
    ) private view returns (bytes32) {
        return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

interface ISwapERC20 {
  struct OrderERC20 {
    uint256 nonce; // Unique number per signatory per order
    uint256 expiry; // Expiry time (seconds since unix epoch)
    address signerWallet; // Party to the swap that sets terms
    address signerToken; // ERC20 token address transferred from signer
    uint256 signerAmount; // Amount of tokens transferred from signer
    address senderWallet; // Party to the swap that accepts terms
    address senderToken; // ERC20 token address transferred from sender
    uint256 senderAmount; // Amount of tokens transferred from sender
    uint8 v; // ECDSA
    bytes32 r;
    bytes32 s;
  }

  event SwapERC20(
    uint256 indexed nonce,
    address indexed signerWallet,
    address signerToken,
    uint256 signerAmount,
    uint256 protocolFee,
    address indexed senderWallet,
    address senderToken,
    uint256 senderAmount
  );
  event Cancel(uint256 indexed nonce, address indexed signerWallet);
  event Authorize(address indexed signer, address indexed signerWallet);
  event Revoke(address indexed signer, address indexed signerWallet);
  event SetProtocolFee(uint256 protocolFee);
  event SetProtocolFeeLight(uint256 protocolFeeLight);
  event SetProtocolFeeWallet(address indexed feeWallet);
  event SetRebateScale(uint256 rebateScale);
  event SetRebateMax(uint256 rebateMax);
  event SetStaking(address indexed staking);

  error ChainIdChanged();
  error InvalidFee();
  error InvalidFeeLight();
  error InvalidFeeWallet();
  error InvalidStaking();
  error OrderExpired();
  error MaxTooHigh();
  error NonceAlreadyUsed(uint256);
  error ScaleTooHigh();
  error SignatureInvalid();
  error SignatoryInvalid();
  error SignatoryUnauthorized();
  error Unauthorized();

  function swap(
    address recipient,
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  function swapAnySender(
    address recipient,
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  function swapLight(
    uint256 nonce,
    uint256 expiry,
    address signerWallet,
    address signerToken,
    uint256 signerAmount,
    address senderToken,
    uint256 senderAmount,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  function authorize(address sender) external;

  function revoke() external;

  function cancel(uint256[] calldata nonces) external;

  function nonceUsed(address, uint256) external view returns (bool);

  function authorized(address) external view returns (address);

  function calculateProtocolFee(
    address,
    uint256
  ) external view returns (uint256);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"_protocolFee","type":"uint256"},{"internalType":"uint256","name":"_protocolFeeLight","type":"uint256"},{"internalType":"address","name":"_protocolFeeWallet","type":"address"},{"internalType":"uint256","name":"_rebateScale","type":"uint256"},{"internalType":"uint256","name":"_rebateMax","type":"uint256"},{"internalType":"address","name":"_staking","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ChainIdChanged","type":"error"},{"inputs":[],"name":"InvalidFee","type":"error"},{"inputs":[],"name":"InvalidFeeLight","type":"error"},{"inputs":[],"name":"InvalidFeeWallet","type":"error"},{"inputs":[],"name":"InvalidStaking","type":"error"},{"inputs":[],"name":"MaxTooHigh","type":"error"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"NonceAlreadyUsed","type":"error"},{"inputs":[],"name":"OrderExpired","type":"error"},{"inputs":[],"name":"ScaleTooHigh","type":"error"},{"inputs":[],"name":"SignatoryInvalid","type":"error"},{"inputs":[],"name":"SignatoryUnauthorized","type":"error"},{"inputs":[],"name":"SignatureInvalid","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"signer","type":"address"},{"indexed":true,"internalType":"address","name":"signerWallet","type":"address"}],"name":"Authorize","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"nonce","type":"uint256"},{"indexed":true,"internalType":"address","name":"signerWallet","type":"address"}],"name":"Cancel","type":"event"},{"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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"signer","type":"address"},{"indexed":true,"internalType":"address","name":"signerWallet","type":"address"}],"name":"Revoke","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"protocolFee","type":"uint256"}],"name":"SetProtocolFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"protocolFeeLight","type":"uint256"}],"name":"SetProtocolFeeLight","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"feeWallet","type":"address"}],"name":"SetProtocolFeeWallet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"rebateMax","type":"uint256"}],"name":"SetRebateMax","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"rebateScale","type":"uint256"}],"name":"SetRebateScale","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"staking","type":"address"}],"name":"SetStaking","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"nonce","type":"uint256"},{"indexed":true,"internalType":"address","name":"signerWallet","type":"address"},{"indexed":false,"internalType":"address","name":"signerToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"signerAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"protocolFee","type":"uint256"},{"indexed":true,"internalType":"address","name":"senderWallet","type":"address"},{"indexed":false,"internalType":"address","name":"senderToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"senderAmount","type":"uint256"}],"name":"SwapERC20","type":"event"},{"inputs":[],"name":"DOMAIN_CHAIN_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_NAME","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"FEE_DIVISOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORDER_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"signatory","type":"address"}],"name":"authorize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"authorized","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"stakingBalance","type":"uint256"},{"internalType":"uint256","name":"feeAmount","type":"uint256"}],"name":"calculateDiscount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"calculateProtocolFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"nonces","type":"uint256[]"}],"name":"cancel","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"senderWallet","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"address","name":"signerWallet","type":"address"},{"internalType":"address","name":"signerToken","type":"address"},{"internalType":"uint256","name":"signerAmount","type":"uint256"},{"internalType":"address","name":"senderToken","type":"address"},{"internalType":"uint256","name":"senderAmount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"check","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes32[]","name":"","type":"bytes32[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"nonceUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"protocolFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"protocolFeeLight","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"protocolFeeWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rebateMax","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rebateScale","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revoke","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_protocolFee","type":"uint256"}],"name":"setProtocolFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_protocolFeeLight","type":"uint256"}],"name":"setProtocolFeeLight","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_protocolFeeWallet","type":"address"}],"name":"setProtocolFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rebateMax","type":"uint256"}],"name":"setRebateMax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rebateScale","type":"uint256"}],"name":"setRebateScale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newstaking","type":"address"}],"name":"setStaking","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"staking","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"address","name":"signerWallet","type":"address"},{"internalType":"address","name":"signerToken","type":"address"},{"internalType":"uint256","name":"signerAmount","type":"uint256"},{"internalType":"address","name":"senderToken","type":"address"},{"internalType":"uint256","name":"senderAmount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"address","name":"signerWallet","type":"address"},{"internalType":"address","name":"signerToken","type":"address"},{"internalType":"uint256","name":"signerAmount","type":"uint256"},{"internalType":"address","name":"senderToken","type":"address"},{"internalType":"uint256","name":"senderAmount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"swapAnySender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"address","name":"signerWallet","type":"address"},{"internalType":"address","name":"signerToken","type":"address"},{"internalType":"uint256","name":"signerAmount","type":"uint256"},{"internalType":"address","name":"senderToken","type":"address"},{"internalType":"uint256","name":"senderAmount","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"swapLight","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000007000000000000000000000000e2e7ae67e7ee6d4d90dfef945ab6de6a14db4c17000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000640000000000000000000000006d88b09805b90dad911e5c5a512eedd984d6860b

-----Decoded View---------------
Arg [0] : _protocolFee (uint256): 7
Arg [1] : _protocolFeeLight (uint256): 7
Arg [2] : _protocolFeeWallet (address): 0xe2E7AE67E7ee6d4D90dfef945aB6dE6A14dB4c17
Arg [3] : _rebateScale (uint256): 10
Arg [4] : _rebateMax (uint256): 100
Arg [5] : _staking (address): 0x6d88B09805b90dad911E5C5A512eEDd984D6860B

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [2] : 000000000000000000000000e2e7ae67e7ee6d4d90dfef945ab6de6a14db4c17
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [5] : 0000000000000000000000006d88b09805b90dad911e5c5a512eedd984d6860b