hardhat.config.ts

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'
import '@openzeppelin/hardhat-upgrades'
import 'hardhat-abi-exporter'

dotenv.config()

const mnemonic =
	typeof process.env.MNEMONIC === 'undefined' ? '' : process.env.MNEMONIC

// 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)
	}
})

// You need to export an object to set up your config
// Go to https://hardhat.org/config/ to learn more

const config: HardhatUserConfig = {
	solidity: '0.8.4',
	networks: {
		rinkeby: {
			url: `https://rinkeby.infura.io/v3/${process.env.INFURA_KEY!}`,
			accounts: {
				mnemonic,
			},
		},
		mainnet: {
			url: `https://mainnet.infura.io/v3/${process.env.INFURA_KEY!}`,
			accounts: {
				mnemonic,
			},
		},
	},
	gasReporter: {
		enabled: process.env.REPORT_GAS !== undefined,
		currency: 'USD',
	},
	etherscan: {
		apiKey: process.env.ETHERSCAN_API_KEY,
	},
}

export default config