// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; import {Bytes32AddressLib} from "./Bytes32AddressLib.sol"; /// @notice Deploy to deterministic addresses without an initcode factor. /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/CREATE3.sol) /// @author Modified from 0xSequence (https://github.com/0xSequence/create3/blob/master/contracts/Create3.sol) library CREATE3 { using Bytes32AddressLib for bytes32; //--------------------------------------------------------------------------------// // Opcode | Opcode + Arguments | Description | Stack View // //--------------------------------------------------------------------------------// // 0x36 | 0x36 | CALLDATASIZE | size // // 0x3d | 0x3d | RETURNDATASIZE | 0 size // // 0x3d | 0x3d | RETURNDATASIZE | 0 0 size // // 0x37 | 0x37 | CALLDATACOPY | // // 0x36 | 0x36 | CALLDATASIZE | size // // 0x3d | 0x3d | RETURNDATASIZE | 0 size // // 0x34 | 0x34 | CALLVALUE | value 0 size // // 0xf0 | 0xf0 | CREATE | newContract // //--------------------------------------------------------------------------------// // Opcode | Opcode + Arguments | Description | Stack View // //--------------------------------------------------------------------------------// // 0x67 | 0x67XXXXXXXXXXXXXXXX | PUSH8 bytecode | bytecode // // 0x3d | 0x3d | RETURNDATASIZE | 0 bytecode // // 0x52 | 0x52 | MSTORE | // // 0x60 | 0x6008 | PUSH1 08 | 8 // // 0x60 | 0x6018 | PUSH1 18 | 24 8 // // 0xf3 | 0xf3 | RETURN | // //--------------------------------------------------------------------------------// bytes internal constant PROXY_BYTECODE = hex"67_36_3d_3d_37_36_3d_34_f0_3d_52_60_08_60_18_f3"; bytes32 internal constant PROXY_BYTECODE_HASH = keccak256(PROXY_BYTECODE); function deploy( bytes32 salt, bytes memory creationCode, uint256 value ) internal returns (address deployed) { bytes memory proxyChildBytecode = PROXY_BYTECODE; address proxy; /// @solidity memory-safe-assembly assembly { // Deploy a new contract with our pre-made bytecode via CREATE2. // We start 32 bytes into the code to avoid copying the byte length. proxy := create2(0, add(proxyChildBytecode, 32), mload(proxyChildBytecode), salt) } require(proxy != address(0), "DEPLOYMENT_FAILED"); deployed = getDeployed(salt); (bool success, ) = proxy.call{value: value}(creationCode); require(success && deployed.code.length != 0, "INITIALIZATION_FAILED"); } function getDeployed(bytes32 salt) internal view returns (address) { return getDeployed(salt, address(this)); } function getDeployed(bytes32 salt, address creator) internal pure returns (address) { address proxy = keccak256( abi.encodePacked( // Prefix: bytes1(0xFF), // Creator: creator, // Salt: salt, // Bytecode hash: PROXY_BYTECODE_HASH ) ).fromLast20Bytes(); return keccak256( abi.encodePacked( // 0xd6 = 0xc0 (short RLP prefix) + 0x16 (length of: 0x94 ++ proxy ++ 0x01) // 0x94 = 0x80 + 0x14 (0x14 = the length of an address, 20 bytes, in hex) hex"d6_94", proxy, hex"01" // Nonce of the proxy contract (1) ) ).fromLast20Bytes(); } }