这个空合约的代码，为啥不声明成一个局部变量？按照这里的示例代码，那不是还要多占一个 slot 吗，这样不是还会增加 gas？ 反正这里不就是想要初始化一个空合约地址，为什么不在 run 函数内部 new 出来这个空合约呢
// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.13;
import {Script, console} from "forge-std/Script.sol";
import {TreasureManager} from "../src/TreasureManager.sol";
import "forge-std/Vm.sol";
import {Script, console } from "forge-std/Script.sol";
import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
import "../src/TreasureManager.sol";
import "../test/EmptyContract.sol";
contract TreasureManagerScript is Script {
// 这个 emptyContract 为什么不声明为一个局部变量
EmptyContract public emptyContract;
TreasureManager public treasureManager;
TreasureManager public treasureManagerImplementation;
ProxyAdmin public treasureManagerProxyAdmin;
function run() public {
uint256 deployerPrivateKey = vm.envUint("PRIVATE_KEY");
address deployerAddress = vm.addr(deployerPrivateKey);
vm.startBroadcast(deployerPrivateKey);
emptyContract = new EmptyContract();
TransparentUpgradeableProxy proxyTreasureManager = new TransparentUpgradeableProxy(address(emptyContract), deployerAddress, "");
treasureManager = TreasureManager(payable(address(proxyTreasureManager)));
treasureManagerImplementation = new TreasureManager();
treasureManagerProxyAdmin = ProxyAdmin(getProxyAdminAddress(address(proxyTreasureManager)));
treasureManagerProxyAdmin.upgradeAndCall(
ITransparentUpgradeableProxy(address(treasureManager)),
address(treasureManagerImplementation),
abi.encodeWithSelector(
TreasureManager.initialize.selector,
msg.sender,
msg.sender,
msg.sender
)
);
console.log("address=====", address(treasureManager));
console.log("treasureManagerProxyAdmin=====", address(treasureManagerProxyAdmin));
vm.stopBroadcast();
}
function getProxyAdminAddress(address proxy) internal view returns (address) {
address CHEATCODE_ADDRESS = 0x7109709ECfa91a80626fF3989D68f67F5b1DD12D;
Vm vm = Vm(CHEATCODE_ADDRESS);
bytes32 adminSlot = vm.load(proxy, ERC1967Utils.ADMIN_SLOT);
return address(uint160(uint256(adminSlot)));
}
}