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做营销网站建设价格,品牌包装建设网站,wordpress 更新页面,网上全网推广目录 1.在Remix中集成UUPS升级合约 2.在Hardhat中集成UUPS升级合约 上一篇讲了集成透明升级合约#xff1a; https://blog.csdn.net/fyihdg/article/details/155883276 这一篇讲一下UUPS升级合约 1.在Remix中集成UUPS升级合约 首先准备好代码#xff1a; // SPDX-Lice…目录1.在Remix中集成UUPS升级合约2.在Hardhat中集成UUPS升级合约上一篇讲了集成透明升级合约https://blog.csdn.net/fyihdg/article/details/155883276这一篇讲一下UUPS升级合约1.在Remix中集成UUPS升级合约首先准备好代码// SPDX-License-Identifier: MIT pragma solidity ^0.8.26; import openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol; import openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol; // 导入 ERC1967Utils import openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol; // 导入 ERC1967Proxy用于测试,不引入这个部署面板上不会显示ERC1967Proxy import openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol; contract UUPSV1 is Initializable, UUPSUpgradeable, OwnableUpgradeable { uint public x; constructor(uint _var) { x _var; } function _authorizeUpgrade(address implementation) internal override {} function initialize(uint _var) external initializer { x _var; __Ownable_init(msg.sender); } function call() external { x x 1; } function showCode() external pure returns (bytes memory) { return abi.encodeWithSelector(this.initialize.selector, 1); } } contract UUPSV2 is Initializable, UUPSUpgradeable, OwnableUpgradeable { uint public x; constructor(uint _var) { x _var; } function _authorizeUpgrade(address implementation) internal override {} function initialize(uint _var) external initializer { x _var; __Ownable_init(msg.sender); } function showCode() external pure returns (bytes memory) { return abi.encodeWithSelector(this.initialize.selector, 1); } function call() external { x x * 2; } }然后分别部署UUPSV1和UUPSV1部署时都写0.然后选择ERC1967Proxy点击“transactERC1967Proxy成功合约地址其实没变只是名称变了此时测试点 ”x:按钮显示1然后点”call按钮显示“2”这个时候我们升级换成UUPSV2复制UUPSV2的地址照着图中操作点upgradeToAndCall中的transact‘然后再点x还是显示2状态没丢然后点一下call按钮再点“x按钮发现值变成4升级成功了2.在Hardhat中集成UUPS升级合约把代码分别复制粘贴到vscode中但是有编译错误确认你已用 Yarn 正确安装依赖执行命令(之前都是用yarn命令所以必须一直保持一致)yarn add openzeppelin/contracts yarn add openzeppelin/contracts-upgradeable编译npx hardhat compile # 或 yarn hardhat compileD:\csdn\Hardhat2.22.17yarn hardhat compile yarn run v1.22.22 $ D:\csdn\Hardhat2.22.17\node_modules\.bin\hardhat compile [dotenv17.2.3] injecting env (2) from .env -- tip: ️ run anywhere with dotenvx run -- yourcommand Generating typings for: 14 artifacts in dir: typechain-types for target: ethers-v6 Successfully generated 74 typings! Compiled 14 Solidity files successfully (evm target: paris). Done in 3.25s.这说明你的合约代码已经能成功编译VS Code 中的红色波浪线是“假报错”虽然不影响编译但红色波浪线很烦人。你可以通过以下任一方法修复在项目根目录和hardhat.config.js同级创建一个文件每行末尾的 / 不能省略openzeppelin/contracts/node_modules/openzeppelin/contracts/ openzeppelin/contracts-upgradeable/node_modules/openzeppelin/contracts-upgradeable/然后 重启 VS Code新建UUPSV1.sol.UUPSV2.sol注意要把构造函数去掉// SPDX-License-Identifier: MIT pragma solidity ^0.8.26; import openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol; import openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol; // 导入 ERC1967Proxy用于测试,不引入这个部署面板上不会显示ERC1967Proxy import openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol; contract UUPSV1 is Initializable, UUPSUpgradeable, OwnableUpgradeable { uint public x; function _authorizeUpgrade(address implementation) internal override {} function initialize(uint _var) external initializer { x _var; __Ownable_init(msg.sender); } function call() external { x x 1; } function showCode() external pure returns (bytes memory) { return abi.encodeWithSelector(this.initialize.selector, 1); } }UUPSV2.js// SPDX-License-Identifier: MIT pragma solidity ^0.8.26; import openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol; import openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol; // 导入 ERC1967Proxy用于测试,不引入这个部署面板上不会显示ERC1967Proxy import openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol; contract UUPSV2 is Initializable, UUPSUpgradeable, OwnableUpgradeable { uint public x; function _authorizeUpgrade(address implementation) internal override {} function initialize(uint _var) external initializer { x _var; __Ownable_init(msg.sender); } function showCode() external pure returns (bytes memory) { return abi.encodeWithSelector(this.initialize.selector, 1); } function call() external { x x * 2; } }在test 目录新建UUPS.jsconst hre require(hardhat); async function deploy() { const _UUPSV1 await hre.ethers.getContractFactory(UUPSV1); const v1 await hre.upgrades.deployProxy(_UUPSV1, [1], { initializer: initialize, kind: UUPS, }); await v1.waitForDeployment(); console.log(await v1.getAddress()); console.log(await v1.x()); await v1.call(); console.log(await v1.x()); const _UUPSV2 await hre.ethers.getContractFactory(UUPSV2); await hre.upgrades.upgradeProxy(await v1.getAddress(), _UUPSV2); console.log(await v1.x()); await v1.call(); console.log(await v1.x()); } deploy();然后运行命令npx hardhat run test/UUPS.js可能会报以下错误D:\csdn\Hardhat2.22.17npx hardhat run test/UUPS.js [dotenv17.2.3] injecting env (2) from .env -- tip: sync secrets across teammates machines: https://dotenvx.com/ops Compiled 2 Solidity files successfully (evm target: paris). [dotenv17.2.3] injecting env (0) from .env -- tip: add access controls to secrets: https://dotenvx.com/ops D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\utils\pick.ts:4 res[k] obj[k]; ^ TypeError: Cannot read properties of undefined (reading address) at pick (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\utils\pick.ts:4:17) at normalizeDeployment (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:347:14) at D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:333:37 at Array.map (anonymous) at normalizeManifestData (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:333:28) at Manifest.write (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:272:24) at D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:197:18 at async Manifest.lockedRun (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:282:14) at async Manifest.addProxy (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\upgrades-core\src\manifest.ts:190:5) at async Proxy.deployProxy (D:\csdn\Hardhat2.22.17\node_modules\openzeppelin\hardhat-upgrades\src\deploy-proxy.ts:114:5) D:\csdn\Hardhat2.22.17原因Hardhat 2.22.17 OpenZeppelin Hardhat Upgrades v3 不兼容如果报错可以这样解决修改UUPS.js内容为const hre require(hardhat); async function deploy() { try { // 1. 部署 UUPSV1 代理合约保留小写 kind: uups const _UUPSV1 await hre.ethers.getContractFactory(UUPSV1); console.log(开始部署 UUPSV1 代理合约...); const v1 await hre.upgrades.deployProxy(_UUPSV1, [1], { initializer: initialize, kind: uups, }); await v1.waitForDeployment(); // Ethers v6 等待部署完成 // 2. Ethers v6 获取地址必须用 getAddress() const proxyAddress await v1.getAddress(); console.log(代理合约地址:, proxyAddress); // 3. 验证初始值 const initialX await v1.x(); console.log(初始 x 值:, initialX.toString()); // 预期输出 1 // 4. 调用 V1 的 call 方法 await v1.call(); const afterV1CallX await v1.x(); console.log(V1 call 后 x 值:, afterV1CallX.toString()); // 预期输出 2 // 5. 升级到 UUPSV2 console.log(开始升级到 UUPSV2...); const _UUPSV2 await hre.ethers.getContractFactory(UUPSV2); const v2 await hre.upgrades.upgradeProxy(proxyAddress, _UUPSV2); await v2.waitForDeployment(); // 6. 验证升级后的值 const afterUpgradeX await v2.x(); console.log(升级后 x 值:, afterUpgradeX.toString()); // 预期输出 2 await v2.call(); const afterV2CallX await v2.x(); console.log(V2 call 后 x 值:, afterV2CallX.toString()); // 预期输出 4 } catch (error) { console.error(部署失败:, error); process.exit(1); } } deploy();清理所有缓存# 删除 OpenZeppelin 清单缓存 rmdir /s /q .openzeppelin # 删除编译缓存 npx hardhat clean # 删除节点缓存适配 hardhat2.22.17 rmdir /s /q %USERPROFILE%\.hardhat\node-cache重新编译合约npx hardhat compile启动本地节点新开管理员终端npx hardhat node运行部署脚本另一个终端npx hardhat run test/UUPS.js --network hardhat