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Contract

0x54A84E8B7a98Aac721F9010Aa59EFB502b0Ce98E
 

Multichain Info

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Transaction Hash
Method
Block
From
To
Exec Transaction191124472024-01-29 13:21:23254 days ago1706534483IN
0x54A84E8B...02b0Ce98E
0 ETH0.00213419.44499011
Exec Transaction189630212024-01-08 14:56:11275 days ago1704725771IN
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0 ETH0.0026226422.22126063
Exec Transaction186791992023-11-29 18:57:11315 days ago1701284231IN
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0 ETH0.0053681745.53195872
Exec Transaction184723602023-10-31 20:01:59344 days ago1698782519IN
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0 ETH0.0052995744.95015013
Exec Transaction182628262023-10-02 12:24:11373 days ago1696249451IN
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0 ETH0.0014146412
Exec Transaction180636872023-09-04 14:23:23401 days ago1693837403IN
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0 ETH0.003778332
Exec Transaction178278132023-08-02 14:08:59434 days ago1690985339IN
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0 ETH0.005492348.13887358
Exec Transaction178137632023-07-31 15:03:47436 days ago1690815827IN
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0 ETH0.0063122953.55621314
Exec Transaction176142802023-07-03 15:18:59464 days ago1688397539IN
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0 ETH0.0040329435.34414048
Exec Transaction173908102023-06-02 4:51:47495 days ago1685681507IN
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0 ETH0.0027289723.9163616
Exec Transaction173537302023-05-27 23:42:11501 days ago1685230931IN
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0 ETH0.0024084521.07784275
Exec Transaction171806002023-05-03 13:49:59525 days ago1683121799IN
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0 ETH0.0087594974.18776831
Exec Transaction169691502023-04-03 14:41:23555 days ago1680532883IN
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0 ETH0.0022662946.31900995
Exec Transaction169691502023-04-03 14:41:23555 days ago1680532883IN
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0 ETH0.0054684246.31900995
Exec Transaction168624382023-03-19 14:44:11570 days ago1679237051IN
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0 ETH0.0017279214.63743764
Exec Transaction167725202023-03-06 23:17:59583 days ago1678144679IN
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0 ETH0.0037104131.42503413
Exec Transaction167241812023-02-28 4:06:35589 days ago1677557195IN
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0 ETH0.0019403116.98087084
Exec Transaction166479522023-02-17 10:50:47600 days ago1676631047IN
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0 ETH0.0026208922.97159898
Exec Transaction165920652023-02-09 15:23:23608 days ago1675956203IN
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0 ETH0.0035525635.18783384
Exec Transaction164206482023-01-16 16:48:47632 days ago1673887727IN
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0 ETH0.0025729722.51528429
Exec Transaction163371572023-01-05 0:57:59644 days ago1672880279IN
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0 ETH0.0018823216.49991247
Exec Transaction161347212022-12-07 18:49:23672 days ago1670438963IN
0x54A84E8B...02b0Ce98E
0 ETH0.0016507817.14010626
Exec Transaction161125852022-12-04 16:17:59675 days ago1670170679IN
0x54A84E8B...02b0Ce98E
0 ETH0.0017608913.28203371
Transfer160991652022-12-02 19:18:47677 days ago1670008727IN
0x54A84E8B...02b0Ce98E
0.005 ETH0.0003417712.50588727

Latest 1 internal transaction

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Parent Transaction Hash Block From To
160922292022-12-01 20:05:59678 days ago1669925159  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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