Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

contract Create2Factory {
    // Contract owner
    address public immutable owner;
    
    // Event emitted when a new contract is deployed
    event ContractDeployed(address indexed deployedAddress, uint256 indexed salt);
    
    constructor() {
        owner = msg.sender;
    }
    
    modifier onlyOwner() {
        require(msg.sender == owner, "Not authorized");
        _;
    }

    // Helper function to call setOwner on deployed contracts
    function setContractOwner(address deployedContract, address newOwner) external onlyOwner {
        (bool success, ) = deployedContract.call(
            abi.encodeWithSignature("setOwner(address)", newOwner)
        );
        require(success, "Owner change failed");
    }
    
    /**
     * @dev Deploys a contract using CREATE2
     * @param bytecode The contract bytecode to deploy
     * @param salt Unique value for deterministic address generation
     * @return deployedAddress The address where the contract was deployed
     */
    function deploy(bytes memory bytecode, uint256 salt) 
        external 
        onlyOwner 
        returns (address deployedAddress) 
    {
        // Compute the address where contract will be deployed
        bytes32 hash = keccak256(
            abi.encodePacked(
                bytes1(0xff),
                address(this),
                salt,
                keccak256(bytecode)
            )
        );
        
        deployedAddress = address(uint160(uint256(hash)));
        
        // Check if address is already in use
        require(deployedAddress.code.length == 0, "Address already in use");
        
        // Deploy the contract
        assembly {
            deployedAddress := create2(0, add(bytecode, 0x20), mload(bytecode), salt)
        }
        
        // Verify deployment was successful
        require(deployedAddress != address(0), "Deployment failed");
        
        emit ContractDeployed(deployedAddress, salt);
    }
    
    /**
     * @dev Computes the address where a contract will be deployed using CREATE2
     * @param bytecode The contract bytecode
     * @param salt The salt value
     * @return The address where the contract would be deployed
     */
    function computeAddress(bytes memory bytecode, uint256 salt) 
        public 
        view 
        returns (address) 
    {
        return address(uint160(uint256(keccak256(abi.encodePacked(
            bytes1(0xff),
            address(this),
            salt,
            keccak256(bytecode)
        )))));
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"deployedAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"salt","type":"uint256"}],"name":"ContractDeployed","type":"event"},{"inputs":[{"internalType":"bytes","name":"bytecode","type":"bytes"},{"internalType":"uint256","name":"salt","type":"uint256"}],"name":"computeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"bytecode","type":"bytes"},{"internalType":"uint256","name":"salt","type":"uint256"}],"name":"deploy","outputs":[{"internalType":"address","name":"deployedAddress","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"deployedContract","type":"address"},{"internalType":"address","name":"newOwner","type":"address"}],"name":"setContractOwner","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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