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;

// LooksRare unopinionated libraries
import {LowLevelERC20Transfer} from "@looksrare/contracts-libs/contracts/lowLevelCallers/LowLevelERC20Transfer.sol";
import {IWETH} from "@looksrare/contracts-libs/contracts/interfaces/generic/IWETH.sol";
import {IERC20} from "@looksrare/contracts-libs/contracts/interfaces/generic/IERC20.sol";

/**
 * @title ProtocolFeeRecipient
 * @notice This contract is used to receive protocol fees and transfer them to the fee sharing setter.
 *         Fee sharing setter cannot receive ETH directly, so we need to use this contract as a middleman
 *         to convert ETH into WETH before sending it.
 * @author LooksRare protocol team (👀,💎)
 */
contract ProtocolFeeRecipient is LowLevelERC20Transfer {
    address public immutable FEE_SHARING_SETTER;
    IWETH public immutable WETH;

    error NothingToTransfer();

    constructor(address _feeSharingSetter, address _weth) {
        FEE_SHARING_SETTER = _feeSharingSetter;
        WETH = IWETH(_weth);
    }

    function transferETH() external {
        uint256 ethBalance = address(this).balance;

        if (ethBalance != 0) {
            WETH.deposit{value: ethBalance}();
        }

        uint256 wethBalance = IERC20(address(WETH)).balanceOf(address(this));

        if (wethBalance == 0) {
            revert NothingToTransfer();
        }
        _executeERC20DirectTransfer(address(WETH), FEE_SHARING_SETTER, wethBalance);
    }

    /**
     * @param currency ERC20 currency address
     */
    function transferERC20(address currency) external {
        uint256 balance = IERC20(currency).balanceOf(address(this));
        if (balance == 0) {
            revert NothingToTransfer();
        }
        _executeERC20DirectTransfer(currency, FEE_SHARING_SETTER, balance);
    }

    receive() external payable {}
}

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

/**
 * @notice It is emitted if the call recipient is not a contract.
 */
error NotAContract();

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

/**
 * @notice It is emitted if the ETH transfer fails.
 */
error ETHTransferFail();

/**
 * @notice It is emitted if the ERC20 approval fails.
 */
error ERC20ApprovalFail();

/**
 * @notice It is emitted if the ERC20 transfer fails.
 */
error ERC20TransferFail();

/**
 * @notice It is emitted if the ERC20 transferFrom fails.
 */
error ERC20TransferFromFail();

/**
 * @notice It is emitted if the ERC721 transferFrom fails.
 */
error ERC721TransferFromFail();

/**
 * @notice It is emitted if the ERC1155 safeTransferFrom fails.
 */
error ERC1155SafeTransferFromFail();

/**
 * @notice It is emitted if the ERC1155 safeBatchTransferFrom fails.
 */
error ERC1155SafeBatchTransferFromFail();

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

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

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

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.5.0;

interface IWETH {
    function deposit() external payable;

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

    function withdraw(uint256 wad) external;
}

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

// Interfaces
import {IERC20} from "../interfaces/generic/IERC20.sol";

// Errors
import {ERC20TransferFail, ERC20TransferFromFail} from "../errors/LowLevelErrors.sol";
import {NotAContract} from "../errors/GenericErrors.sol";

/**
 * @title LowLevelERC20Transfer
 * @notice This contract contains low-level calls to transfer ERC20 tokens.
 * @author LooksRare protocol team (👀,💎)
 */
contract LowLevelERC20Transfer {
    /**
     * @notice Execute ERC20 transferFrom
     * @param currency Currency address
     * @param from Sender address
     * @param to Recipient address
     * @param amount Amount to transfer
     */
    function _executeERC20TransferFrom(address currency, address from, address to, uint256 amount) internal {
        if (currency.code.length == 0) {
            revert NotAContract();
        }

        (bool status, bytes memory data) = currency.call(abi.encodeCall(IERC20.transferFrom, (from, to, amount)));

        if (!status) {
            revert ERC20TransferFromFail();
        }

        if (data.length > 0) {
            if (!abi.decode(data, (bool))) {
                revert ERC20TransferFromFail();
            }
        }
    }

    /**
     * @notice Execute ERC20 (direct) transfer
     * @param currency Currency address
     * @param to Recipient address
     * @param amount Amount to transfer
     */
    function _executeERC20DirectTransfer(address currency, address to, uint256 amount) internal {
        if (currency.code.length == 0) {
            revert NotAContract();
        }

        (bool status, bytes memory data) = currency.call(abi.encodeCall(IERC20.transfer, (to, amount)));

        if (!status) {
            revert ERC20TransferFail();
        }

        if (data.length > 0) {
            if (!abi.decode(data, (bool))) {
                revert ERC20TransferFail();
            }
        }
    }
}

{
  "remappings": [
    "@chainlink/=node_modules/@chainlink/",
    "@ensdomains/=node_modules/@ensdomains/",
    "@eth-optimism/=node_modules/@eth-optimism/",
    "@looksrare/=node_modules/@looksrare/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "eth-gas-reporter/=node_modules/eth-gas-reporter/",
    "forge-std/=lib/forge-std/src/",
    "hardhat/=node_modules/hardhat/",
    "murky/=lib/murky/src/",
    "openzeppelin-contracts/=lib/murky/lib/openzeppelin-contracts/",
    "solmate/=node_modules/solmate/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 888888
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_feeSharingSetter","type":"address"},{"internalType":"address","name":"_weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ERC20TransferFail","type":"error"},{"inputs":[],"name":"NotAContract","type":"error"},{"inputs":[],"name":"NothingToTransfer","type":"error"},{"inputs":[],"name":"FEE_SHARING_SETTER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WETH","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"currency","type":"address"}],"name":"transferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"transferETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

0000000000000000000000005924a28caaf1cc016617874a2f0c3710d881f3c1000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : _feeSharingSetter (address): 0x5924A28caAF1cc016617874a2f0C3710d881f3c1
Arg [1] : _weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000005924a28caaf1cc016617874a2f0c3710d881f3c1
Arg [1] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2