update task 11 with the hardhat 2.22.2

Author: gongtao245

basic/11-react-express-hardhat/.gitignore

@@ -1,5 +1,14 @@
 node_modules
+.env
 
-#Hardhat files
-cache
-artifacts
+# Hardhat files
+/cache
+/artifacts
+
+# TypeChain files
+/typechain
+/typechain-types
+
+# solidity-coverage files
+/coverage
+/coverage.json

basic/11-react-express-hardhat/hardhat.config.js

@@ -1,5 +1,4 @@
-require('@nomiclabs/hardhat-waffle');
-const fs = require('fs');
+require("@nomicfoundation/hardhat-toolbox");
 require('dotenv').config();
 
 // This is a sample Hardhat task. To learn how to create your own go to
@@ -42,4 +41,4 @@ module.exports = {
       accounts: [mnemonic()],
     },
   },
-};
+};

basic/11-react-express-hardhat/package.json

@@ -1,14 +1,19 @@
 {
-  "name": "hardhat-project",
-  "devDependencies": {
-    "@nomiclabs/hardhat-ethers": "^2.0.2",
-    "@nomiclabs/hardhat-waffle": "^2.0.1",
-    "chai": "^4.3.4",
-    "ethereum-waffle": "^3.3.0",
-    "ethers": "^5.3.0",
-    "hardhat": "^2.3.0"
+  "name": "11-react-express-hardhat",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
   "dependencies": {
-    "dotenv": "^10.0.0"
+    "dotenv": "^16.4.5",
+    "hardhat": "^2.22.2"
+  },
+  "devDependencies": {
+    "@nomicfoundation/hardhat-toolbox": "^5.0.0"
   }
 }

basic/11-react-express-hardhat/scripts/deploy.js

@@ -17,13 +17,13 @@ async function main() {
     await deployer.getAddress()
   )
 
-  console.log('Account balance:', (await deployer.getBalance()).toString())
+  console.log('Account balance:', (await ethers.provider.getBalance(deployer.address)).toString())
 
   const Token = await ethers.getContractFactory('SimpleToken')
   const token = await Token.deploy('Test', 'SimpleToken', 1, 10000)
-  await token.deployed()
+  await token.waitForDeployment();
 
-  console.log('Token address:', token.address)
+  console.log('Token address:', token.target)
 
   // We also save the contract's artifacts and address in the frontend directory
   saveFrontendFiles(token)