PumpV4HookDeployer

[
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "hook",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "bytes32",
        "name": "salt",
        "type": "bytes32"
      }
    ],
    "name": "HookDeployed",
    "type": "event"
  },
  {
    "inputs": [
      {
        "internalType": "bytes32",
        "name": "salt",
        "type": "bytes32"
      },
      {
        "internalType": "contract IPoolManager",
        "name": "poolManager",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "factory",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "positionManager",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "weth",
        "type": "address"
      }
    ],
    "name": "computeAddress",
    "outputs": [
      {
        "internalType": "address",
        "name": "predicted",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "bytes32",
        "name": "salt",
        "type": "bytes32"
      },
      {
        "internalType": "contract IPoolManager",
        "name": "poolManager",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "factory",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "positionManager",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "weth",
        "type": "address"
      }
    ],
    "name": "deploy",
    "outputs": [
      {
        "internalType": "contract PumpV4Hook",
        "name": "hook",
        "type": "address"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]

// SPDX-License-Identifier: MIT
pragma solidity 0.8.26;

import {IPoolManager} from "@uniswap/v4-core/src/interfaces/IPoolManager.sol";

import {PumpV4Hook} from "./PumpV4Hook.sol";

/**
 * @notice Deterministic deployer for a pre-mined PumpV4Hook salt.
 * @dev Salt mining is intentionally off-chain; computeAddress is provided so a
 *      deployment can be checked before the CREATE2 transaction is submitted.
 */
contract PumpV4HookDeployer {
    event HookDeployed(address indexed hook, bytes32 indexed salt);

    function deploy(bytes32 salt, IPoolManager poolManager, address factory, address positionManager, address weth)
        external
        returns (PumpV4Hook hook)
    {
        hook = new PumpV4Hook{salt: salt}(poolManager, factory, positionManager, weth);
        emit HookDeployed(address(hook), salt);
    }

    function computeAddress(
        bytes32 salt,
        IPoolManager poolManager,
        address factory,
        address positionManager,
        address weth
    ) external view returns (address predicted) {
        // CREATE2's full init-code hash is required for an exact prediction.
        // slither-disable-next-line too-many-digits
        bytes32 initCodeHash = keccak256(
            abi.encodePacked(type(PumpV4Hook).creationCode, abi.encode(poolManager, factory, positionManager, weth))
        );
        predicted =
            address(uint160(uint256(keccak256(abi.encodePacked(bytes1(0xff), address(this), salt, initCodeHash)))));
    }
}