Greeting removal

contracts/Greeter.sol

@@ -1,22 +0,0 @@
-//SPDX-License-Identifier: Unlicense
-pragma solidity ^0.8.0;
-
-import "hardhat/console.sol";
-
-contract Greeter {
-    string private greeting;
-
-    constructor(string memory _greeting) {
-        console.log("Deploying a Greeter with greeting:", _greeting);
-        greeting = _greeting;
-    }
-
-    function greet() public view returns (string memory) {
-        return greeting;
-    }
-
-    function setGreeting(string memory _greeting) public {
-        console.log("Changing greeting from '%s' to '%s'", greeting, _greeting);
-        greeting = _greeting;
-    }
-}

hardhat.config.ts

@@ -1,9 +1,7 @@
 import * as dotenv from "dotenv";
 
 import { HardhatUserConfig, task } from "hardhat/config";
-import "@nomiclabs/hardhat-etherscan";
 import "@nomiclabs/hardhat-waffle";
-import "@typechain/hardhat";
 import "hardhat-gas-reporter";
 import "solidity-coverage";
 
@@ -23,21 +21,7 @@ task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
 // Go to https://hardhat.org/config/ to learn more
 
 const config: HardhatUserConfig = {
-  solidity: "0.8.4",
-  networks: {
-    ropsten: {
-      url: process.env.ROPSTEN_URL || "",
-      accounts:
-        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
-    },
-  },
-  gasReporter: {
-    enabled: process.env.REPORT_GAS !== undefined,
-    currency: "USD",
-  },
-  etherscan: {
-    apiKey: process.env.ETHERSCAN_API_KEY,
-  },
+  solidity: "0.7.4"
 };
 
 export default config;

package.json

@@ -1,7 +1,19 @@
 {
   "name": "hardhat-project",
   "devDependencies": {
+    "@nomiclabs/hardhat-ethers": "^2.0.6",
+    "@nomiclabs/hardhat-etherscan": "^3.1.0",
+    "@nomiclabs/hardhat-waffle": "^2.0.3",
+    "chai": "^4.3.6",
+    "ethereum-waffle": "^3.4.4",
+    "ethers": "^5.6.9",
     "hardhat": "^2.9.9",
+    "hardhat-gas-reporter": "^1.0.8",
+    "solidity-coverage": "^0.7.21",
+    "ts-node": "^10.8.1",
     "typescript": "^4.7.4"
+  },
+  "dependencies": {
+    "dotenv": "^16.0.1"
   }
 }