false
true
0

Contract Address Details

0x76E2cFc1F5Fa8F6a5b3fC4c8F4788F0116861F9B

Contract Name
ProxyFactory
Creator
0x1aa745–100a6a at 0x75a42f–a34261
Balance
0 PLS ( )
Tokens
Fetching tokens...
Transactions
13,536 Transactions
Transfers
0 Transfers
Gas Used
4,243,135,140
Last Balance Update
25881266
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
Contract name:
ProxyFactory




Optimization enabled
false
Compiler version
v0.5.14+commit.01f1aaa4




EVM Version
default




Verified at
2025-03-30T11:53:52.093057Z

Contract source code

pragma solidity ^0.5.3;


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



/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <richard@gnosis.io>
interface IProxy {
    function masterCopy() external view returns (address);
}

/// @title Proxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <stefan@gnosis.io>
/// @author Richard Meissner - <richard@gnosis.io>
contract Proxy {

    // masterCopy 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 masterCopy;

    /// @dev Constructor function sets address of master copy contract.
    /// @param _masterCopy Master copy address.
    constructor(address _masterCopy)
        public
    {
        require(_masterCopy != address(0), "Invalid master copy address provided");
        masterCopy = _masterCopy;
    }

    /// @dev Fallback function forwards all transactions and returns all received return data.
    function ()
        external
        payable
    {
        // solium-disable-next-line security/no-inline-assembly
        assembly {
            let masterCopy := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
            // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
            if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
                mstore(0, masterCopy)
                return(0, 0x20)
            }
            calldatacopy(0, 0, calldatasize())
            let success := delegatecall(gas, masterCopy, 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 - <stefan@gnosis.pm>
contract ProxyFactory {

    event ProxyCreation(Proxy proxy);

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

    /// @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(Proxy).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(Proxy).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 _mastercopy Address of master copy.
    /// @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 _mastercopy, bytes memory initializer, uint256 saltNonce)
        internal
        returns (Proxy 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(Proxy).creationCode, uint256(_mastercopy));
        // solium-disable-next-line security/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 _mastercopy Address of master copy.
    /// @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 _mastercopy, bytes memory initializer, uint256 saltNonce)
        public
        returns (Proxy proxy)
    {
        proxy = deployProxyWithNonce(_mastercopy, initializer, saltNonce);
        if (initializer.length > 0)
            // solium-disable-next-line security/no-inline-assembly
            assembly {
                if eq(call(gas, proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) { revert(0,0) }
            }
        emit ProxyCreation(proxy);
    }

    /// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction
    /// @param _mastercopy Address of master copy.
    /// @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 _mastercopy, bytes memory initializer, uint256 saltNonce, IProxyCreationCallback callback)
        public
        returns (Proxy proxy)
    {
        uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback)));
        proxy = createProxyWithNonce(_mastercopy, initializer, saltNonceWithCallback);
        if (address(callback) != address(0))
            callback.proxyCreated(proxy, _mastercopy, 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 _mastercopy Address of master copy.
    /// @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 _mastercopy, bytes calldata initializer, uint256 saltNonce)
        external
        returns (Proxy proxy)
    {
        proxy = deployProxyWithNonce(_mastercopy, initializer, saltNonce);
        revert(string(abi.encodePacked(proxy)));
    }

}

Contract ABI

[{"type":"event","name":"ProxyCreation","inputs":[{"type":"address","name":"proxy","internalType":"contract Proxy","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"address","name":"proxy","internalType":"contract Proxy"}],"name":"calculateCreateProxyWithNonceAddress","inputs":[{"type":"address","name":"_mastercopy","internalType":"address"},{"type":"bytes","name":"initializer","internalType":"bytes"},{"type":"uint256","name":"saltNonce","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"address","name":"proxy","internalType":"contract Proxy"}],"name":"createProxy","inputs":[{"type":"address","name":"masterCopy","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"address","name":"proxy","internalType":"contract Proxy"}],"name":"createProxyWithCallback","inputs":[{"type":"address","name":"_mastercopy","internalType":"address"},{"type":"bytes","name":"initializer","internalType":"bytes"},{"type":"uint256","name":"saltNonce","internalType":"uint256"},{"type":"address","name":"callback","internalType":"contract IProxyCreationCallback"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"address","name":"proxy","internalType":"contract Proxy"}],"name":"createProxyWithNonce","inputs":[{"type":"address","name":"_mastercopy","internalType":"address"},{"type":"bytes","name":"initializer","internalType":"bytes"},{"type":"uint256","name":"saltNonce","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"bytes","name":"","internalType":"bytes"}],"name":"proxyCreationCode","inputs":[],"constant":true},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"bytes","name":"","internalType":"bytes"}],"name":"proxyRuntimeCode","inputs":[],"constant":true}]

Contract Creation Code

Verify & Publish 
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