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Contract

0x99f671F620284E37B926ad1F6380485b3bC3C4b1
 

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Method
Block
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Exec Transaction217724082025-02-04 10:01:475 days ago1738663307IN
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0 ETH0.00015071.73506779
Exec Transaction217307502025-01-29 14:21:5911 days ago1738160519IN
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0 ETH0.000427314.92049308
Exec Transaction216737822025-01-21 15:32:5919 days ago1737473579IN
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0 ETH0.0013582311.82668452
Exec Transaction216090862025-01-12 14:43:5928 days ago1736693039IN
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0 ETH0.000393434.53032786
Exec Transaction215937582025-01-10 11:24:3530 days ago1736508275IN
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0 ETH0.000551395.30413542
Exec Transaction215739812025-01-07 17:07:3532 days ago1736269655IN
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0 ETH0.0015924613.86617441
Exec Transaction215669262025-01-06 17:30:4733 days ago1736184647IN
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0 ETH0.0021938921.10402677
Exec Transaction215605402025-01-05 20:03:1134 days ago1736107391IN
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0 ETH0.000830929.56931954
Exec Transaction215437832025-01-03 11:53:3537 days ago1735905215IN
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0 ETH0.00068347.86932428
Exec Transaction215313192025-01-01 18:10:3538 days ago1735755035IN
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0 ETH0.0023373126.91018408
Exec Transaction215229602024-12-31 14:10:2340 days ago1735654223IN
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0 ETH0.0012259214.11448602
Exec Transaction215178052024-12-30 20:53:2340 days ago1735592003IN
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0 ETH0.000888448.54637009
Exec Transaction215110832024-12-29 22:21:4741 days ago1735510907IN
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0 ETH0.000751198.64877017
Exec Transaction215023212024-12-28 17:00:5942 days ago1735405259IN
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0 ETH0.000534966.15927132
Exec Transaction215021392024-12-28 16:24:2343 days ago1735403063IN
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0 ETH0.000505615.82132908
Exec Transaction214943952024-12-27 14:28:4744 days ago1735309727IN
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0 ETH0.000634297.30381779
Exec Transaction214830982024-12-26 0:35:1145 days ago1735173311IN
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0 ETH0.000525646.05270567
Exec Transaction214659042024-12-23 14:53:1148 days ago1734965591IN
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0 ETH0.0023286226.81018658
Exec Transaction214533752024-12-21 20:49:5949 days ago1734814199IN
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0 ETH0.000601236.92225948
Exec Transaction214455332024-12-20 18:30:4750 days ago1734719447IN
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0 ETH0.0017002319.57532065
Exec Transaction214425462024-12-20 8:29:4751 days ago1734683387IN
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0 ETH0.0014911117.16765091
Exec Transaction214395052024-12-19 22:18:5951 days ago1734646739IN
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0 ETH0.0013750915.83192278
Exec Transaction214370892024-12-19 14:13:2352 days ago1734617603IN
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0 ETH0.0012501414.39329371
Exec Transaction214260592024-12-18 1:12:3553 days ago1734484355IN
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0 ETH0.0012783611.13235856
Exec Transaction214090982024-12-15 16:25:4756 days ago1734279947IN
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0 ETH0.000839469.6650466
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Latest 2 internal transactions

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178349122023-08-03 13:57:35556 days ago1691071055
0x99f671F6...b3bC3C4b1
0.1 ETH
178348522023-08-03 13:45:35556 days ago1691070335  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xDaB5dc22...0ba42d2a6
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
GnosisSafeProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, GNU LGPLv3 license
/**
 *Submitted for verification at Etherscan.io on 2021-07-09
*/

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;

/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <[email protected]>
interface IProxy {
    function masterCopy() external view returns (address);
}

/// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <[email protected]>
/// @author Richard Meissner - <[email protected]>
contract GnosisSafeProxy {
    // singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
    // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
    address internal singleton;

    /// @dev Constructor function sets address of singleton contract.
    /// @param _singleton Singleton address.
    constructor(address _singleton) {
        require(_singleton != address(0), "Invalid singleton address provided");
        singleton = _singleton;
    }

    /// @dev Fallback function forwards all transactions and returns all received return data.
    fallback() external payable {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
            // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
            if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
                mstore(0, _singleton)
                return(0, 0x20)
            }
            calldatacopy(0, 0, calldatasize())
            let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            if eq(success, 0) {
                revert(0, returndatasize())
            }
            return(0, returndatasize())
        }
    }
}

/// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @author Stefan George - <[email protected]>
contract GnosisSafeProxyFactory {
    event ProxyCreation(GnosisSafeProxy proxy, address singleton);

    /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
    /// @param singleton Address of singleton contract.
    /// @param data Payload for message call sent to new proxy contract.
    function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) {
        proxy = new GnosisSafeProxy(singleton);
        if (data.length > 0)
            // solhint-disable-next-line no-inline-assembly
            assembly {
                if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) {
                    revert(0, 0)
                }
            }
        emit ProxyCreation(proxy, singleton);
    }

    /// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed.
    function proxyRuntimeCode() public pure returns (bytes memory) {
        return type(GnosisSafeProxy).runtimeCode;
    }

    /// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address.
    function proxyCreationCode() public pure returns (bytes memory) {
        return type(GnosisSafeProxy).creationCode;
    }

    /// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer.
    ///      This method is only meant as an utility to be called from other methods
    /// @param _singleton Address of singleton contract.
    /// @param initializer Payload for message call sent to new proxy contract.
    /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
    function deployProxyWithNonce(
        address _singleton,
        bytes memory initializer,
        uint256 saltNonce
    ) internal returns (GnosisSafeProxy proxy) {
        // If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it
        bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce));
        bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton)));
        // solhint-disable-next-line no-inline-assembly
        assembly {
            proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt)
        }
        require(address(proxy) != address(0), "Create2 call failed");
    }

    /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
    /// @param _singleton Address of singleton contract.
    /// @param initializer Payload for message call sent to new proxy contract.
    /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
    function createProxyWithNonce(
        address _singleton,
        bytes memory initializer,
        uint256 saltNonce
    ) public returns (GnosisSafeProxy proxy) {
        proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
        if (initializer.length > 0)
            // solhint-disable-next-line no-inline-assembly
            assembly {
                if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) {
                    revert(0, 0)
                }
            }
        emit ProxyCreation(proxy, _singleton);
    }

    /// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction
    /// @param _singleton Address of singleton contract.
    /// @param initializer Payload for message call sent to new proxy contract.
    /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
    /// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized.
    function createProxyWithCallback(
        address _singleton,
        bytes memory initializer,
        uint256 saltNonce,
        IProxyCreationCallback callback
    ) public returns (GnosisSafeProxy proxy) {
        uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback)));
        proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback);
        if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce);
    }

    /// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce`
    ///      This method is only meant for address calculation purpose when you use an initializer that would revert,
    ///      therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory.
    /// @param _singleton Address of singleton contract.
    /// @param initializer Payload for message call sent to new proxy contract.
    /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
    function calculateCreateProxyWithNonceAddress(
        address _singleton,
        bytes calldata initializer,
        uint256 saltNonce
    ) external returns (GnosisSafeProxy proxy) {
        proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
        revert(string(abi.encodePacked(proxy)));
    }
}

interface IProxyCreationCallback {
    function proxyCreated(
        GnosisSafeProxy proxy,
        address _singleton,
        bytes calldata initializer,
        uint256 saltNonce
    ) external;
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_singleton","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}]

Deployed Bytecode

0x608060405273ffffffffffffffffffffffffffffffffffffffff600054167fa619486e0000000000000000000000000000000000000000000000000000000060003514156050578060005260206000f35b3660008037600080366000845af43d6000803e60008114156070573d6000fd5b3d6000f3fea2646970667358221220d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b955264736f6c63430007060033

Deployed Bytecode Sourcemap

524:1528:0:-:0;;;1376:42;1372:1;1366:8;1362:57;1556:66;1552:1;1539:15;1536:87;1533:2;;;1653:10;1650:1;1643:21;1692:4;1689:1;1682:15;1533:2;1745:14;1742:1;1739;1726:34;1843:1;1840;1824:14;1821:1;1809:10;1802:5;1789:56;1880:16;1877:1;1874;1859:38;1926:1;1917:7;1914:14;1911:2;;;1958:16;1955:1;1948:27;1911:2;2014:16;2011:1;2004:27

Swarm Source

ipfs://d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b9552

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