// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;
/// @notice Library for converting between addresses and bytes32 values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/Bytes32AddressLib.sol)
library Bytes32AddressLib {
function fromLast20Bytes(bytes32 bytesValue) internal pure returns (address) {
return address(uint160(uint256(bytesValue)));
}
function fillLast12Bytes(address addressValue) internal pure returns (bytes32) {
return bytes32(bytes20(addressValue));
}
}
// 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;
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) {
address proxy = keccak256(
abi.encodePacked(
// Prefix:
bytes1(0xFF),
// Creator:
address(this),
// 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();
}
}
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.13;
import {CREATE3} from "solmate/utils/CREATE3.sol";
import {ICREATE3Factory} from "./ICREATE3Factory.sol";
/// @title Factory for deploying contracts to deterministic addresses via CREATE3
/// @author zefram.eth
/// @notice Enables deploying contracts using CREATE3. Each deployer (msg.sender) has
/// its own namespace for deployed addresses.
contract CREATE3Factory is ICREATE3Factory {
/// @inheritdoc ICREATE3Factory
function deploy(bytes32 salt, bytes memory creationCode)
external
payable
override
returns (address deployed)
{
// hash salt with the deployer address to give each deployer its own namespace
salt = keccak256(abi.encodePacked(msg.sender, salt));
return CREATE3.deploy(salt, creationCode, msg.value);
}
/// @inheritdoc ICREATE3Factory
function getDeployed(address deployer, bytes32 salt)
external
view
override
returns (address deployed)
{
// hash salt with the deployer address to give each deployer its own namespace
salt = keccak256(abi.encodePacked(deployer, salt));
return CREATE3.getDeployed(salt);
}
}
// SPDX-License-Identifier: AGPL-3.0
pragma solidity >=0.6.0;
/// @title Factory for deploying contracts to deterministic addresses via CREATE3
/// @author zefram.eth
/// @notice Enables deploying contracts using CREATE3. Each deployer (msg.sender) has
/// its own namespace for deployed addresses.
interface ICREATE3Factory {
/// @notice Deploys a contract using CREATE3
/// @dev The provided salt is hashed together with msg.sender to generate the final salt
/// @param salt The deployer-specific salt for determining the deployed contract's address
/// @param creationCode The creation code of the contract to deploy
/// @return deployed The address of the deployed contract
function deploy(bytes32 salt, bytes memory creationCode)
external
payable
returns (address deployed);
/// @notice Predicts the address of a deployed contract
/// @dev The provided salt is hashed together with the deployer address to generate the final salt
/// @param deployer The deployer account that will call deploy()
/// @param salt The deployer-specific salt for determining the deployed contract's address
/// @return deployed The address of the contract that will be deployed
function getDeployed(address deployer, bytes32 salt)
external
view
returns (address deployed);
}
{
"compilationTarget": {
"src/CREATE3Factory.sol": "CREATE3Factory"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 1000000
},
"remappings": [
":ds-test/=lib/solmate/lib/ds-test/src/",
":forge-std/=lib/forge-std/src/",
":solmate/=lib/solmate/src/"
]
}
[{"inputs":[{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"bytes","name":"creationCode","type":"bytes"}],"name":"deploy","outputs":[{"internalType":"address","name":"deployed","type":"address"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"deployer","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"getDeployed","outputs":[{"internalType":"address","name":"deployed","type":"address"}],"stateMutability":"view","type":"function"}]