Contract 0xa4b291ed1220310d3120f515b5b7accaecd66f17

 
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0x076ba9c7eaca3897996303a108188b1df61a725e4800059e70c56fb3c9939d9cExec Transaction182917762021-08-23 3:50:4932 days 23 hrs ago0x8b35064b158634458fd53a861d68eb84152e4106 IN  PolyNetwork Multisig0 MATIC0.00429193881
0xccf97dba0100deffa21739fbd19f5dfeaf3d4452a419882d97164298201d44d9Exec Transaction182916392021-08-23 3:45:3532 days 23 hrs ago0xdd17f140de250fe5393dd6e813049b148efdc4ba IN  PolyNetwork Multisig0 MATIC0.00054134145
0x71b4ee45d3f17fde86a143e513fda051620730921e425f9a44d2ff64670726ea0x48656c6c178988852021-08-12 10:12:0343 days 16 hrs ago0xe576705e64a5d5fbe76718c7722c8a5e29c9c5aa IN  PolyNetwork Multisig0.01 MATIC0.000656579225
0x862ceb03665593e317045b2bfb86108a28507515c8ac76e0da9447c5c63220170xe4b8bae5178736302021-08-11 16:53:1144 days 10 hrs ago0x6a1e4b39eef87daefeb2e1b73a2afae0cf25a372 IN  PolyNetwork Multisig1 wei0.0000941745
0x40692854a7334de9380e445e0dd584a0559633b9acbc100dfc210022981a51ae0xe5889ae5178735972021-08-11 16:52:0144 days 10 hrs ago0x6a1e4b39eef87daefeb2e1b73a2afae0cf25a372 IN  PolyNetwork Multisig1 wei0.00016675
0x529181ebe97f2fef9d78617a2680c60b1362412e9603ca12fb5c7b91b0aaec560xe5889ae5178733362021-08-11 16:41:5044 days 10 hrs ago0x6a1e4b39eef87daefeb2e1b73a2afae0cf25a372 IN  PolyNetwork Multisig1 wei0.000569354166
0x059425374359cbbb853807a0988c09bf315f411ceef5273e47fc65034f573c330xe5889ae5178732442021-08-11 16:34:5444 days 10 hrs ago0x6a1e4b39eef87daefeb2e1b73a2afae0cf25a372 IN  PolyNetwork Multisig1 wei0.000172855925
0xc3a518a06b8476883cec78eb6cc01784dfa902056472f1cbc3c9f4807f602793Exec Transaction178560082021-08-11 4:48:1544 days 22 hrs ago0x8b35064b158634458fd53a861d68eb84152e4106 IN  PolyNetwork Multisig0 MATIC0.00032798057
0xc075832fa9e9d42962c749d82cbde88085fc7aa828e30db9b054f89afa9da1b7Transfer178559432021-08-11 4:45:4344 days 22 hrs ago0x0e860f44d73f9fdbaf5e9b19afc554bf3c8e8a57 IN  PolyNetwork Multisig1 MATIC0.00003033519
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Latest 2 internal transactions
Parent Txn Hash Block From To Value
0xc3a518a06b8476883cec78eb6cc01784dfa902056472f1cbc3c9f4807f602793178560082021-08-11 4:48:1544 days 22 hrs ago PolyNetwork Multisig0x0e860f44d73f9fdbaf5e9b19afc554bf3c8e8a571 MATIC
0xad303834ff170494af0b90960f4ebeed3def0ccc48e095e9628c37ce0a8fef52178559012021-08-11 4:44:1544 days 22 hrs ago Gnosis Safe: Proxy Factory 1.3.0  Contract Creation0 MATIC
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xb412684F4F0B5d27cC4A4D287F42595aB3ae124D

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 polygonscan.com on 2021-07-05
*/

/**
 *Submitted for verification at polygonscan.com on 2021-06-16
*/

// 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"}]

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

Deployed ByteCode Sourcemap

598:1528:0:-:0;;;1450:42;1446:1;1440:8;1436:57;1630:66;1626:1;1613:15;1610:87;1607:2;;;1727:10;1724:1;1717:21;1766:4;1763:1;1756:15;1607:2;1819:14;1816:1;1813;1800:34;1917:1;1914;1898:14;1895:1;1883:10;1876:5;1863:56;1954:16;1951:1;1948;1933:38;2000:1;1991:7;1988:14;1985:2;;;2032:16;2029:1;2022:27;1985:2;2088:16;2085:1;2078:27

Swarm Source

ipfs://d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b9552
Block Transaction Gas Used Reward
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