ETH Price: $2,712.22 (+1.70%)

Contract

0xD75aF988B2282C1B466C7640B01E4B89239a72D8

Overview

ETH Balance

0 ETH

ETH Value

$0.00

Token Holdings

Multichain Info

No addresses found
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> 10 Internal Transactions and > 10 Token Transfers found.

Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To
1154523802024-01-29 4:45:37382 days ago1706503537
0xD75aF988...9239a72D8
0.000373144943731 ETH
1154523802024-01-29 4:45:37382 days ago1706503537
0xD75aF988...9239a72D8
0.000373144943731 ETH
1154521352024-01-29 4:37:27382 days ago1706503047
0xD75aF988...9239a72D8
0.004787307620126 ETH
1154521352024-01-29 4:37:27382 days ago1706503047
0xD75aF988...9239a72D8
0.004787307620126 ETH
1154519922024-01-29 4:32:41382 days ago1706502761
0xD75aF988...9239a72D8
0.002671661773666 ETH
1154519922024-01-29 4:32:41382 days ago1706502761
0xD75aF988...9239a72D8
0.002671661773666 ETH
1154496452024-01-29 3:14:27382 days ago1706498067
0xD75aF988...9239a72D8
0.004339166719698 ETH
1154496452024-01-29 3:14:27382 days ago1706498067
0xD75aF988...9239a72D8
0.004339166719698 ETH
1154494752024-01-29 3:08:47382 days ago1706497727
0xD75aF988...9239a72D8
0.004727957728467 ETH
1154494752024-01-29 3:08:47382 days ago1706497727
0xD75aF988...9239a72D8
0.004727957728467 ETH
1154410352024-01-28 22:27:27382 days ago1706480847
0xD75aF988...9239a72D8
0.000257696775208 ETH
1154410352024-01-28 22:27:27382 days ago1706480847
0xD75aF988...9239a72D8
0.000257696775208 ETH
1153704992024-01-27 7:16:15384 days ago1706339775
0xD75aF988...9239a72D8
0.001783997070356 ETH
1153704992024-01-27 7:16:15384 days ago1706339775
0xD75aF988...9239a72D8
0.001783997070356 ETH
1153626212024-01-27 2:53:39384 days ago1706324019
0xD75aF988...9239a72D8
0.000989024 ETH
1153626212024-01-27 2:53:39384 days ago1706324019
0xD75aF988...9239a72D8
0.000989024 ETH
1153549912024-01-26 22:39:19384 days ago1706308759
0xD75aF988...9239a72D8
0.000308907097674 ETH
1153549912024-01-26 22:39:19384 days ago1706308759
0xD75aF988...9239a72D8
0.000308907097674 ETH
1153544962024-01-26 22:22:49384 days ago1706307769
0xD75aF988...9239a72D8
0.000201248012122 ETH
1153544962024-01-26 22:22:49384 days ago1706307769
0xD75aF988...9239a72D8
0.000201248012122 ETH
1153543912024-01-26 22:19:19384 days ago1706307559
0xD75aF988...9239a72D8
0.001086206524733 ETH
1153543912024-01-26 22:19:19384 days ago1706307559
0xD75aF988...9239a72D8
0.001086206524733 ETH
1153543172024-01-26 22:16:51384 days ago1706307411
0xD75aF988...9239a72D8
0.001442104160967 ETH
1153543172024-01-26 22:16:51384 days ago1706307411
0xD75aF988...9239a72D8
0.001442104160967 ETH
1153292312024-01-26 8:20:39385 days ago1706257239
0xD75aF988...9239a72D8
0.010552140046176 ETH
View All Internal Transactions

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Contract Source Code Verified (Exact Match)

Contract Name:
Withdrawer

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
Yes with 5000 runs

Other Settings:
default evmVersion
File 1 of 4 : Withdrawer.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.11;

import "./interfaces/external/IWETH.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

/// @title Native token withdrawer
/// @dev Withdraw native token from the wrapper contract on behalf
///      of the sender. Upgradeable proxy contracts are not able to receive
///      native tokens from contracts via `transfer` (EIP1884), they need a
///      middleman forwarding all available gas and reverting on errors.
contract Withdrawer is ReentrancyGuard {
    IWETH public immutable weth;

    constructor(IWETH _weth) {
        weth = _weth;
    }

    receive() external payable {
        require(msg.sender == address(weth), "WD: ETH_SENDER_NOT_WETH");
    }

    /// @notice Withdraw native token from wrapper contract
    /// @param amount The amount to withdraw
    function withdraw(uint256 amount) external nonReentrant {
        weth.transferFrom(msg.sender, address(this), amount);
        weth.withdraw(amount);
        Address.sendValue(payable(msg.sender), amount);
    }
}

File 2 of 4 : IWETH.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.11;

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256) external;

    function totalSupply() external view returns (uint256);

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

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

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

File 3 of 4 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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 4 of 4 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 5000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IWETH","name":"_weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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

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

0000000000000000000000004200000000000000000000000000000000000006

-----Decoded View---------------
Arg [0] : _weth (address): 0x4200000000000000000000000000000000000006

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000004200000000000000000000000000000000000006


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Transaction Hash Block Value Eth2 PubKey Valid
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