w1-2

README.md

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 豋链社区 区块链技术集训营第二期
 https://learnblockchain.cn/course/28
 
-## Week1-1
-作业题
-01-安装metamask
-02-执行一次转账
-03-使用remix创建一个Counter合约并部署，Counter合约有一个add(x)方法
+## W1-1 作业题
+
+### 01-安装metamask
+### 02-执行一次转账
+### 03-使用remix创建一个Counter合约并部署，Counter合约有一个add(x)方法
+
+
+## W1-2 作业题
+
+### 01-使⽤ Hardhat 部署修改后的 Counter
+### 02-使⽤ Hardhat 测试 Counter
+### 03-写⼀个脚本调⽤ count()

w1-2/counter/.gitignore

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+node_modules
+.env
+coverage
+coverage.json
+typechain
+typechain-types
+
+# Hardhat files
+cache
+artifacts
+

w1-2/counter/README.md

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+# Sample Hardhat Project
+
+This project demonstrates a basic Hardhat use case. It comes with a sample contract, a test for that contract, and a script that deploys that contract.
+
+Try running some of the following tasks:
+
+```shell
+npx hardhat help
+npx hardhat test
+REPORT_GAS=true npx hardhat test
+npx hardhat node
+npx hardhat run scripts/deploy.js
+```

w1-2/counter/contracts/Counter.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.9;
+
+// Uncomment this line to use console.log
+// import "hardhat/console.sol";
+
+contract Counter {
+    uint public counter;
+
+    function add1() public returns(uint){
+        counter += 1;
+        return counter;
+    }
+
+    function addx(uint x) public returns(uint){
+        counter = counter + x;
+        return counter;
+    }
+}

w1-2/counter/hardhat.config.js

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+require("@nomicfoundation/hardhat-toolbox");
+require("@nomiclabs/hardhat-etherscan");
+const dotenv = require("dotenv");
+
+dotenv.config();
+
+// set proxy
+// const { ProxyAgent, setGlobalDispatcher } = require("undici");
+// const proxyAgent = new ProxyAgent('http://127.0.0.1:10010'); // change to yours
+// setGlobalDispatcher(proxyAgent);
+
+
+// This is a sample Hardhat task. To learn how to create your own go to
+// https://hardhat.org/guides/create-task.html
+task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
+  const accounts = await hre.ethers.getSigners();
+
+  for (const account of accounts) {
+    console.log(account.address);
+  }
+});
+
+/** @type import('hardhat/config').HardhatUserConfig */
+module.exports = {
+  solidity: "0.8.18",
+  networks: {
+    hardhat: {},
+    goerli: {
+      url: process.env.GOERLI_RPC_URL,
+      accounts: [process.env.PRIVATE_KEY]
+    }
+  },
+  etherscan: {
+    apiKey: process.env.ETHERSCAN_KEY
+  },
+
+};