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Latest 25 from a total of 389 transactions
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Create Proxy Wit... | 23093087 | 16 days ago | IN | 0 ETH | 0.000000647483 | ||||
Create Proxy Wit... | 23024955 | 18 days ago | IN | 0 ETH | 0.000000329002 | ||||
Create Proxy Wit... | 22464828 | 31 days ago | IN | 0 ETH | 0.000000306062 | ||||
Create Proxy Wit... | 22462969 | 31 days ago | IN | 0 ETH | 0.00000030566 | ||||
Create Proxy Wit... | 22455707 | 31 days ago | IN | 0 ETH | 0.0000002837 | ||||
Create Proxy Wit... | 22204072 | 37 days ago | IN | 0 ETH | 0.000000280275 | ||||
Create Proxy Wit... | 22201096 | 37 days ago | IN | 0 ETH | 0.00000033082 | ||||
Create Proxy Wit... | 22197929 | 37 days ago | IN | 0 ETH | 0.000000348086 | ||||
Create Proxy Wit... | 22197356 | 37 days ago | IN | 0 ETH | 0.000387935899 | ||||
Create Proxy Wit... | 22196203 | 37 days ago | IN | 0 ETH | 0.000000470389 | ||||
Create Proxy Wit... | 22195705 | 37 days ago | IN | 0 ETH | 0.000388045992 | ||||
Create Proxy Wit... | 22195425 | 37 days ago | IN | 0 ETH | 0.000000515791 | ||||
Create Proxy Wit... | 22194672 | 37 days ago | IN | 0 ETH | 0.000000455495 | ||||
Create Proxy Wit... | 22193423 | 37 days ago | IN | 0 ETH | 0.000000516472 | ||||
Create Proxy Wit... | 22190941 | 37 days ago | IN | 0 ETH | 0.000000449588 | ||||
Create Proxy Wit... | 22190890 | 37 days ago | IN | 0 ETH | 0.000000498206 | ||||
Create Proxy Wit... | 22190580 | 37 days ago | IN | 0 ETH | 0.000000495262 | ||||
Create Proxy Wit... | 22189689 | 37 days ago | IN | 0 ETH | 0.000000483429 | ||||
Create Proxy Wit... | 22189512 | 37 days ago | IN | 0 ETH | 0.000000580373 | ||||
Create Proxy Wit... | 22188048 | 37 days ago | IN | 0 ETH | 0.000388097341 | ||||
Create Proxy Wit... | 22180385 | 38 days ago | IN | 0 ETH | 0.000000782818 | ||||
Create Proxy Wit... | 22117430 | 39 days ago | IN | 0 ETH | 0.000387881533 | ||||
Create Proxy Wit... | 22114802 | 39 days ago | IN | 0 ETH | 0.000000288811 | ||||
Create Proxy Wit... | 22104866 | 39 days ago | IN | 0 ETH | 0.000000411301 | ||||
Create Proxy Wit... | 22100513 | 39 days ago | IN | 0 ETH | 0.000000871567 |
Latest 25 internal transactions (View All)
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xa6B71E26...b6a896AB2 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
GnosisSafeProxyFactory
Compiler Version
v0.7.6+commit.7338295f
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; import "./GnosisSafeProxy.sol"; import "./IProxyCreationCallback.sol"; /// @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))); } }
// 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()) } } }
// SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; import "./GnosisSafeProxy.sol"; interface IProxyCreationCallback { function proxyCreated( GnosisSafeProxy proxy, address _singleton, bytes calldata initializer, uint256 saltNonce ) external; }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true } }
[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract GnosisSafeProxy","name":"proxy","type":"address"},{"indexed":false,"internalType":"address","name":"singleton","type":"address"}],"name":"ProxyCreation","type":"event"},{"inputs":[{"internalType":"address","name":"_singleton","type":"address"},{"internalType":"bytes","name":"initializer","type":"bytes"},{"internalType":"uint256","name":"saltNonce","type":"uint256"}],"name":"calculateCreateProxyWithNonceAddress","outputs":[{"internalType":"contract GnosisSafeProxy","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"singleton","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"createProxy","outputs":[{"internalType":"contract GnosisSafeProxy","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_singleton","type":"address"},{"internalType":"bytes","name":"initializer","type":"bytes"},{"internalType":"uint256","name":"saltNonce","type":"uint256"},{"internalType":"contract IProxyCreationCallback","name":"callback","type":"address"}],"name":"createProxyWithCallback","outputs":[{"internalType":"contract GnosisSafeProxy","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_singleton","type":"address"},{"internalType":"bytes","name":"initializer","type":"bytes"},{"internalType":"uint256","name":"saltNonce","type":"uint256"}],"name":"createProxyWithNonce","outputs":[{"internalType":"contract GnosisSafeProxy","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxyCreationCode","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"proxyRuntimeCode","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"}]
Deployed Bytecode
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