ETH Price: $3,437.99 (+5.65%)
Gas: 58 Gwei

Contract

0x54b948A3dC35845122aCA40DeB8D4C8b9FD77C7c
 
Transaction Hash
Method
Block
From
To
Value
Exec Transaction160711852022-11-28 21:30:47457 days 7 hrs ago1669671047IN
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0 ETH0.0014627111.93859633
Exec Transaction160711802022-11-28 21:29:47457 days 7 hrs ago1669670987IN
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0 ETH0.0016532612.10746532
Exec Transaction160711742022-11-28 21:28:35457 days 7 hrs ago1669670915IN
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0 ETH0.0014943312.03350725
Exec Transaction160711722022-11-28 21:28:11457 days 7 hrs ago1669670891IN
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0 ETH0.0015003410.77116598
Exec Transaction160711682022-11-28 21:27:23457 days 7 hrs ago1669670843IN
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0 ETH0.0013571110.54039328
Exec Transaction160711662022-11-28 21:26:59457 days 7 hrs ago1669670819IN
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0 ETH0.0016319211.72386383
Exec Transaction160711562022-11-28 21:24:59457 days 7 hrs ago1669670699IN
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0 ETH0.0017788812.77851684
Exec Transaction160711512022-11-28 21:23:59457 days 7 hrs ago1669670639IN
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0 ETH0.0014039512.05591865
Exec Transaction160711492022-11-28 21:23:35457 days 7 hrs ago1669670615IN
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0 ETH0.0016554213.04422364
Exec Transaction160711462022-11-28 21:22:59457 days 7 hrs ago1669670579IN
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0 ETH0.0016817713.25307775
Exec Transaction160711442022-11-28 21:22:35457 days 7 hrs ago1669670555IN
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0 ETH0.0018409513.22441975
Exec Transaction160711332022-11-28 21:20:23457 days 7 hrs ago1669670423IN
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0 ETH0.0016383813.37666286
Exec Transaction160711292022-11-28 21:19:35457 days 7 hrs ago1669670375IN
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0 ETH0.0015423113.56629249
Exec Transaction160711262022-11-28 21:18:59457 days 7 hrs ago1669670339IN
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0 ETH0.0018947713.60892932
Exec Transaction160711222022-11-28 21:18:11457 days 8 hrs ago1669670291IN
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0 ETH0.0017857414.0724279
Exec Transaction160711182022-11-28 21:17:23457 days 8 hrs ago1669670243IN
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0 ETH0.0018257614.38643381
Exec Transaction160711132022-11-28 21:16:23457 days 8 hrs ago1669670183IN
0x54b948...9FD77C7c
0 ETH0.0017249814.81414834
Exec Transaction160710982022-11-28 21:13:23457 days 8 hrs ago1669670003IN
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0 ETH0.0015952312.56989811
Exec Transaction160504092022-11-25 23:54:23460 days 5 hrs ago1669420463IN
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0 ETH0.000780789
Exec Transaction160502802022-11-25 23:28:35460 days 5 hrs ago1669418915IN
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0 ETH0.000781399.89578153
Exec Transaction160502752022-11-25 23:27:35460 days 5 hrs ago1669418855IN
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0 ETH0.0010260910.17204174
Exec Transaction159203652022-11-07 19:54:11478 days 9 hrs ago1667850851IN
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0 ETH0.0010737219.72196366
Exec Transaction159203532022-11-07 19:51:47478 days 9 hrs ago1667850707IN
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0 ETH0.0055272322.28266703
Exec Transaction155891882022-09-22 13:30:11524 days 15 hrs ago1663853411IN
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0 ETH0.0006189810
Exec Transaction155843882022-09-21 21:21:59525 days 7 hrs ago1663795319IN
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0 ETH0.0018565830
View all transactions

Latest 13 internal transactions

Advanced mode:
Parent Txn Hash Block From To Value
155891882022-09-22 13:30:11524 days 15 hrs ago1663853411
0x54b948...9FD77C7c
2 ETH
155843882022-09-21 21:21:59525 days 7 hrs ago1663795319
0x54b948...9FD77C7c
2 ETH
155842882022-09-21 21:01:47525 days 8 hrs ago1663794107
0x54b948...9FD77C7c
8 ETH
155840462022-09-21 20:12:47525 days 9 hrs ago1663791167
0x54b948...9FD77C7c
5 ETH
155393502022-09-15 13:19:47531 days 15 hrs ago1663247987
0x54b948...9FD77C7c
1.9 ETH
154878352022-09-07 2:54:18540 days 2 hrs ago1662519258
0x54b948...9FD77C7c
4.40244371 ETH
153884942022-08-22 5:40:19555 days 23 hrs ago1661146819
0x54b948...9FD77C7c
2.7 ETH
152189012022-07-26 15:26:45582 days 13 hrs ago1658849205
0x54b948...9FD77C7c
0.2 ETH
145400772022-04-07 17:32:03692 days 11 hrs ago1649352723
0x54b948...9FD77C7c
0.50468228 ETH
145397482022-04-07 16:18:22692 days 12 hrs ago1649348302
0x54b948...9FD77C7c
2.5 ETH
137823282021-12-11 6:48:51809 days 22 hrs ago1639205331
0x54b948...9FD77C7c
0.00137144 ETH
137823282021-12-11 6:48:51809 days 22 hrs ago1639205331
0x54b948...9FD77C7c
0.01508593 ETH
137494222021-12-06 1:36:00815 days 3 hrs ago1638754560  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xDaB5dc...ba42d2a6
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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