Contract 0xBD9f6198a220046E944D704b7ff2A68b778F4A44 2

 
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0xcf6a5f3dbc1d8bfb3d059fef6f5e1487fbb44a2adacae9920129133383e162010x60a06040404292562022-06-13 13:37:17172 days 8 hrs ago0x5fd7d0d6b91cc4787bcb86ca47e0bd4ea0346d34 IN  Create: ZeroXRefuelImpl0 FTM2.002935019547
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Latest 6 internal transactions
Parent Txn Hash Block From To Value
0x94a5d3684c5f64d6f5c54344824b72d00f17ddc9bd4311fad7b405c29b124143508751292022-11-14 17:34:5618 days 4 hrs ago Socket: 0x Refuel Implementation 0x: Exchange Proxy555 FTM
0x94a5d3684c5f64d6f5c54344824b72d00f17ddc9bd4311fad7b405c29b124143508751292022-11-14 17:34:5618 days 4 hrs ago Socket: 0x Refuel Implementation 0x040993fbf458b95871cd2d73ee2e09f4af6d56bb3.8903735082868896 FTM
0x94a5d3684c5f64d6f5c54344824b72d00f17ddc9bd4311fad7b405c29b124143508751292022-11-14 17:34:5618 days 4 hrs ago Socket: Registry Socket: 0x Refuel Implementation558.8903735082868896 FTM
0xfdeefb76660eb555e271a2b0f16a2d8e1860c3590bc2e65acc57ebfb3ae44af8404993032022-06-14 12:13:43171 days 10 hrs ago Socket: 0x Refuel Implementation 0x040993fbf458b95871cd2d73ee2e09f4af6d56bb16 FTM
0xfdeefb76660eb555e271a2b0f16a2d8e1860c3590bc2e65acc57ebfb3ae44af8404993032022-06-14 12:13:43171 days 10 hrs ago Socket: Registry Socket: 0x Refuel Implementation16 FTM
0xcf6a5f3dbc1d8bfb3d059fef6f5e1487fbb44a2adacae9920129133383e16201404292562022-06-13 13:37:17172 days 8 hrs ago 0x5fd7d0d6b91cc4787bcb86ca47e0bd4ea0346d34  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
ZeroXRefuelImpl

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 800 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 9 : refuelZeroXImpl.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "../MiddlewareImplBase.sol";
import "../interfaces/refuel.sol";
import "../helpers/errors.sol";

/**
// @title 0X Implementation with refuel
// @notice Called by the registry before cross chain transfers if the user requests
// for a swap
// @dev Follows the interface of Swap Impl Base
// @author Movr Network
*/
contract ZeroXRefuelImpl is MiddlewareImplBase {
    using SafeERC20 for IERC20;
    address payable public zeroXExchangeProxy;
    IRefuel public router;
    event UpdateZeroXExchangeProxyAddress(address indexed zeroXExchangeProxy);
    event AmountRecieved(
        uint256 amount,
        address tokenAddress,
        address receiver
    );
    address private constant NATIVE_TOKEN_ADDRESS =
        address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    /// one inch aggregator contract is payable to allow ethereum swaps
    constructor(
        address registry,
        address _zeroXExchangeProxy,
        IRefuel _router
    ) MiddlewareImplBase(registry) {
        zeroXExchangeProxy = payable(_zeroXExchangeProxy);
        router = _router;
    }

    /// @notice Sets zeroXExchangeProxy address
    /// @param _zeroXExchangeProxy is the address for oneInchAggreagtor
    function setZeroXExchangeProxy(address _zeroXExchangeProxy)
        external
        onlyOwner
    {
        zeroXExchangeProxy = payable(_zeroXExchangeProxy);
        emit UpdateZeroXExchangeProxyAddress(zeroXExchangeProxy);
        (_zeroXExchangeProxy);
    }

    receive() external payable {}

    fallback() external payable {}

    /**
    // @notice Function responsible for swapping from one token to a different token
    // @dev This is called only when there is a request for a swap. 
    // @param from userAddress or sending address.
    // @param fromToken token to be swapped
    // @param amount amount to be swapped 
    // param to not required. This is there only to follow the MiddlewareImplBase
    // @param extraData data required for zeroX Exchange to get the swap done
    */
    function performAction(
        address from,
        address fromToken,
        uint256 amount,
        address receiverAddress, 
        bytes calldata extraData
    ) external payable override onlyRegistry returns (uint256) {
        require(fromToken != address(0), MovrErrors.ADDRESS_0_PROVIDED);

        (
            uint256 _destinationChainId,
            address _destionationReceiverAddress,
            uint256 _refuelAmount,
            address payable toTokenAddress,
            bytes memory swapCallData
        ) = abi.decode(extraData, (uint256, address , uint256, address, bytes));

        // if _refuelAmount is greater than 0, then we perform refuel step

        if (_refuelAmount > 0)
            router.depositNativeToken{value: _refuelAmount}(
                _destinationChainId,
              _destionationReceiverAddress
            );

        uint256 _initialBalanceTokenOut;
        uint256 _finalBalanceTokenOut;

        if (toTokenAddress != NATIVE_TOKEN_ADDRESS)
            _initialBalanceTokenOut = IERC20(toTokenAddress).balanceOf(
                address(this)
            );
        else _initialBalanceTokenOut = address(this).balance;

        if (fromToken != NATIVE_TOKEN_ADDRESS) {
            IERC20 fromTokenInstance = IERC20(fromToken);
            fromTokenInstance.safeTransferFrom(from, address(this), amount);
            fromTokenInstance.safeIncreaseAllowance(zeroXExchangeProxy, amount);

            // solhint-disable-next-line
            (bool success, ) = zeroXExchangeProxy.call(swapCallData);
            fromTokenInstance.safeApprove(zeroXExchangeProxy, 0);
            require(success, MovrErrors.MIDDLEWARE_ACTION_FAILED);
        } else {
            (bool success, ) = zeroXExchangeProxy.call{value: amount}(
                swapCallData
            );
            require(success, MovrErrors.MIDDLEWARE_ACTION_FAILED);
        }
        if (toTokenAddress != NATIVE_TOKEN_ADDRESS)
            _finalBalanceTokenOut = IERC20(toTokenAddress).balanceOf(
                address(this)
            );
        else _finalBalanceTokenOut = address(this).balance;

        uint256 returnAmount = _finalBalanceTokenOut - _initialBalanceTokenOut;
        if (toTokenAddress == NATIVE_TOKEN_ADDRESS)
            payable(receiverAddress).transfer(returnAmount);
        else IERC20(toTokenAddress).transfer(receiverAddress, returnAmount);
        return returnAmount;
    }

    /**
    // @notice Function responsible for swapping from one token to a different token directly
    // @dev This is called only when there is a request for a swap. 
    // @param fromToken token to be swapped
    // @param amount amount to be swapped 
    // @param extraData data required for the one inch aggregator to get the swap done
    */
    function performDirectAction(
        address fromToken,
        address toToken,
        address receiver,
        uint256 amount,
        bytes calldata extraData
    ) external payable {
        (
            uint256 _destinationChainId,
            uint256 _refuelAmount,
            bytes memory swapExtraData
        ) = abi.decode(extraData, (uint256, uint256, bytes));

        // if _refuelAmount is greater than 0, then we perform refuel step

        if (_refuelAmount > 0)
            router.depositNativeToken{value: _refuelAmount}(
                _destinationChainId,
                receiver
            );

        uint256 _initialBalanceTokenOut;
        uint256 _finalBalanceTokenOut;

        if (toToken != NATIVE_TOKEN_ADDRESS)
            _initialBalanceTokenOut = IERC20(toToken).balanceOf(address(this));
        else _initialBalanceTokenOut = address(this).balance;

        if (fromToken != NATIVE_TOKEN_ADDRESS) {
            IERC20 fromTokenInstance = IERC20(fromToken);
            fromTokenInstance.safeTransferFrom(
                msg.sender,
                address(this),
                amount
            );
            fromTokenInstance.safeIncreaseAllowance(zeroXExchangeProxy, amount);

            // solhint-disable-next-line
            (bool success, ) = zeroXExchangeProxy.call(swapExtraData);
            fromTokenInstance.safeApprove(zeroXExchangeProxy, 0);
            require(success, MovrErrors.MIDDLEWARE_ACTION_FAILED);
        } else {
            (bool success, ) = zeroXExchangeProxy.call{value: amount}(
                swapExtraData
            );
            require(success, MovrErrors.MIDDLEWARE_ACTION_FAILED);
        }

        if (toToken != NATIVE_TOKEN_ADDRESS)
            _finalBalanceTokenOut = IERC20(toToken).balanceOf(address(this));
        else _finalBalanceTokenOut = address(this).balance;

        uint256 returnAmount = _finalBalanceTokenOut - _initialBalanceTokenOut;
        if (toToken == NATIVE_TOKEN_ADDRESS)
            payable(receiver).transfer(returnAmount);
        else IERC20(toToken).transfer(receiver, returnAmount);
        emit AmountRecieved(returnAmount, toToken, receiver);
    }
}

File 2 of 9 : IERC20.sol
// 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);
}

File 3 of 9 : SafeERC20.sol
// 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");
        }
    }
}

File 4 of 9 : MiddlewareImplBase.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "./helpers/errors.sol";

/**
// @title Abstract Contract for middleware services.
// @notice All middleware services will follow this interface. 
*/
abstract contract MiddlewareImplBase is Ownable {
    using SafeERC20 for IERC20;
    address public immutable registry;

    /// @notice only registry address is required.
    constructor(address _registry) Ownable() {
        registry = _registry;
    }

    modifier onlyRegistry() {
        require(msg.sender == registry, MovrErrors.INVALID_SENDER);
        _;
    }

    function performAction(
        address from,
        address fromToken,
        uint256 amount,
        address receiverAddress,
        bytes memory data
    ) external payable virtual returns (uint256);

    function rescueFunds(
        address token,
        address userAddress,
        uint256 amount
    ) external onlyOwner {
        IERC20(token).safeTransfer(userAddress, amount);
    }

    function rescueEther(address payable userAddress, uint256 amount)
        external
        onlyOwner
    {
        userAddress.transfer(amount);
    }
}

File 5 of 9 : refuel.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0;

interface IRefuel {
    function depositNativeToken(uint256 destinationChainId, address _to) external payable;
}

File 6 of 9 : errors.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

library MovrErrors {
    string internal constant ADDRESS_0_PROVIDED = "ADDRESS_0_PROVIDED";
    string internal constant EMPTY_INPUT = "EMPTY_INPUT";
    string internal constant LENGTH_MISMATCH = "LENGTH_MISMATCH";
    string internal constant INVALID_VALUE = "INVALID_VALUE";
    string internal constant INVALID_AMT = "INVALID_AMT";

    string internal constant IMPL_NOT_FOUND = "IMPL_NOT_FOUND";
    string internal constant ROUTE_NOT_FOUND = "ROUTE_NOT_FOUND";
    string internal constant IMPL_NOT_ALLOWED = "IMPL_NOT_ALLOWED";
    string internal constant ROUTE_NOT_ALLOWED = "ROUTE_NOT_ALLOWED";
    string internal constant INVALID_CHAIN_DATA = "INVALID_CHAIN_DATA";
    string internal constant CHAIN_NOT_SUPPORTED = "CHAIN_NOT_SUPPORTED";
    string internal constant TOKEN_NOT_SUPPORTED = "TOKEN_NOT_SUPPORTED";
    string internal constant NOT_IMPLEMENTED = "NOT_IMPLEMENTED";
    string internal constant INVALID_SENDER = "INVALID_SENDER";
    string internal constant INVALID_BRIDGE_ID = "INVALID_BRIDGE_ID";
    string internal constant MIDDLEWARE_ACTION_FAILED =
        "MIDDLEWARE_ACTION_FAILED";
    string internal constant VALUE_SHOULD_BE_ZERO = "VALUE_SHOULD_BE_ZERO";
    string internal constant VALUE_SHOULD_NOT_BE_ZERO = "VALUE_SHOULD_NOT_BE_ZERO";
    string internal constant VALUE_NOT_ENOUGH = "VALUE_NOT_ENOUGH";
    string internal constant VALUE_NOT_EQUAL_TO_AMOUNT = "VALUE_NOT_EQUAL_TO_AMOUNT";
}

File 7 of 9 : Address.sol
// 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);
            }
        }
    }
}

File 8 of 9 : Ownable.sol
// 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);
    }
}

File 9 of 9 : Context.sol
// 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;
    }
}

Settings
{
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"registry","type":"address"},{"internalType":"address","name":"_zeroXExchangeProxy","type":"address"},{"internalType":"contract IRefuel","name":"_router","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"}],"name":"AmountRecieved","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":"zeroXExchangeProxy","type":"address"}],"name":"UpdateZeroXExchangeProxyAddress","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"fromToken","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"receiverAddress","type":"address"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"name":"performAction","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"fromToken","type":"address"},{"internalType":"address","name":"toToken","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"name":"performDirectAction","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"userAddress","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"rescueEther","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"userAddress","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"rescueFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"router","outputs":[{"internalType":"contract IRefuel","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_zeroXExchangeProxy","type":"address"}],"name":"setZeroXExchangeProxy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"zeroXExchangeProxy","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000c30141b657f4216252dc59af2e7cdb9d8792e1b0000000000000000000000000def189deaef76e379df891899eb5a00a94cbc250000000000000000000000000040993fbf458b95871cd2d73ee2e09f4af6d56bb

-----Decoded View---------------
Arg [0] : registry (address): 0xc30141b657f4216252dc59af2e7cdb9d8792e1b0
Arg [1] : _zeroXExchangeProxy (address): 0xdef189deaef76e379df891899eb5a00a94cbc250
Arg [2] : _router (address): 0x040993fbf458b95871cd2d73ee2e09f4af6d56bb

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000c30141b657f4216252dc59af2e7cdb9d8792e1b0
Arg [1] : 000000000000000000000000def189deaef76e379df891899eb5a00a94cbc250
Arg [2] : 000000000000000000000000040993fbf458b95871cd2d73ee2e09f4af6d56bb


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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