create-web3-dapp-dev/helpers/backend_helpers/setupHardhat.ts

<p align="center"> <br /> <a href="https://createweb3dapp.alchemy.com"> <img src=".github/images/cw3d-logo.png" width="200" alt=""/></a> <br /> </p>

import path from "path";
import { createEnv } from "../utils/createEnv.js";
import fse from "fs-extra";
import { DappInfo } from "../../interfaces/DappInfo.js";
import { createWriteStream, mkdirSync } from "fs";
import { generateAlchemyURL } from "../utils/generateAlchemyUrl.js";
import { execSync } from "child_process";

export const setUpHardhat = (dappInfo: DappInfo, projectPath) => {
	if (
		!dappInfo.isTemplate ||
		dappInfo.backendProvider != "hardhat-template"
	) {
		mkdirSync(path.join(process.cwd(), "backend"));
		mkdirSync(path.join(process.cwd(), "backend", "contracts"));
		mkdirSync(path.join(process.cwd(), "backend", "scripts"));
		mkdirSync(path.join(process.cwd(), "backend", "test"));
	}

	const writeStream = createWriteStream(
		path.join(projectPath, "backend", "hardhat.config.js")
	);

	writeStream.write("require('@nomicfoundation/hardhat-toolbox');\n");
	writeStream.write("require('dotenv').config()\n\n");

	const modules = {
		solidity: {
			version: "0.8.9",
			settings: {
				optimizer: {
					enabled: true,
				},
			},
		},
		allowUnlimitedContractSize: true,
		networks: {
			hardhat: {},
			[dappInfo.chain!]: {
				accounts: "[`${process.env.PRIVATE_KEY}`]",
				url: generateAlchemyURL(dappInfo.chain),
			},
			[dappInfo.testnet]: {
				accounts: "[`${process.env.PRIVATE_KEY}`]",
				url: generateAlchemyURL(dappInfo.testnet),
			},
		},
		etherscan: {
			apiKey: "`${process.env.ETHERSCAN_API_KEY}`",
		},
		paths: {
			artifacts: "'../fronted/artifacts'",
		},
	};

	writeStream.write(
		`module.exports = ${JSON.stringify(modules, null, "\t").replace(
			/"(?!\d\.\d\.\d)([^",]+)"/g,
			"$1"
		)}`
	);
	writeStream.close();
};