hardhat.config.js

require('dotenv').config()

require('@nomiclabs/hardhat-etherscan')
require('@nomiclabs/hardhat-waffle')
require('hardhat-gas-reporter')
require('solidity-coverage')
require('@openzeppelin/hardhat-upgrades')

// 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

// To see gas prices for other networks, see this page for options:
// https://www.npmjs.com/package/hardhat-gas-reporter

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
  solidity: {
    version: '0.8.9',
    settings: {
      optimizer: {
        enabled: process.env.OPTIMIZE !== undefined,
        runs: 1000,
      },
    },
  },
  networks: {
    goerli: {
      url: process.env.GOERLI_URL || '',
      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
    mainnet: {
      url: process.env.MAINNET_URL || '',
      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
    },
  },
  gasReporter: {
    enabled: process.env.REPORT_GAS !== undefined,
    currency: 'USD',
    coinmarketcap: process.env.COIN_MARKET_CAP_KEY,
    gasPriceApi: 'https://api.etherscan.io/api?module=proxy&action=eth_gasPrice',
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
}