hardhat.config.ts

import '@nomiclabs/hardhat-ethers'
import '@nomiclabs/hardhat-waffle'
import '@nomiclabs/hardhat-web3'
import dotenv from 'dotenv'
import 'hardhat-deploy'
import 'hardhat-typechain'
import { HardhatUserConfig, HttpNetworkUserConfig } from 'hardhat/types'
import yargs from 'yargs'

const argv = yargs
  .option('network', {
    type: 'string',
    default: 'hardhat',
  })
  .help(false)
  .version(false).argv

dotenv.config()
const { INFURA_KEY, MNEMONIC, PK } = process.env
const DEFAULT_MNEMONIC = 'myth like bonus scare over problem client lizard pioneer submit female collect'

const sharedNetworkConfig: HttpNetworkUserConfig = {}
if (PK) {
  sharedNetworkConfig.accounts = [PK];
} else {
  sharedNetworkConfig.accounts = {
    mnemonic: MNEMONIC || DEFAULT_MNEMONIC,
  }
}

if (['rinkeby'].includes(argv.network) && INFURA_KEY === undefined) {
  throw new Error(
    `Could not find Infura key in env, unable to connect to network ${argv.network}`,
  )
}

const config: HardhatUserConfig = {
  defaultNetwork: "hardhat",
  solidity: {
    compilers: [
      { version: '0.5.17' }
    ]
  },
  paths: {
    artifacts: 'artifacts',
    deploy: 'hardhat/deploy',
    sources: 'contracts',
    tests: 'tests'
  },
  networks: {
    localhost: {
      url: "http://127.0.0.1:8545"
    },
    hardhat: {
      allowUnlimitedContractSize: true,
      blockGasLimit: 100000000,
      gas: 100000000,
      accounts: [
        // Same as ganache-cli -d
        { balance: '100000000000000000000', privateKey: '0x4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d' },
        { balance: '100000000000000000000', privateKey: '0x6cbed15c793ce57650b9877cf6fa156fbef513c4e6134f022a85b1ffdd59b2a1' },
        { balance: '100000000000000000000', privateKey: '0x6370fd033278c143179d81c5526140625662b8daa446c22ee2d73db3707e620c' },
        { balance: '100000000000000000000', privateKey: '0x646f1ce2fdad0e6deeeb5c7e8e5543bdde65e86029e2fd9fc169899c440a7913' },
        { balance: '100000000000000000000', privateKey: '0xadd53f9a7e588d003326d1cbf9e4a43c061aadd9bc938c843a79e7b4fd2ad743' },
        { balance: '100000000000000000000', privateKey: '0x395df67f0c2d2d9fe1ad08d1bc8b6627011959b79c53d7dd6a3536a33ab8a4fd' },
        { balance: '100000000000000000000', privateKey: '0xe485d098507f54e7733a205420dfddbe58db035fa577fc294ebd14db90767a52' },
        { balance: '100000000000000000000', privateKey: '0xa453611d9419d0e56f499079478fd72c37b251a94bfde4d19872c44cf65386e3' },
        { balance: '100000000000000000000', privateKey: '0x829e924fdf021ba3dbbc4225edfece9aca04b929d6e75613329ca6f1d31c0bb4' },
        { balance: '100000000000000000000', privateKey: '0xb0057716d5917badaf911b193b12b910811c1497b5bada8d7711f758981c3773' },
      ]
    },
    rinkeby: {
      ...sharedNetworkConfig,
      url: `https://rinkeby.infura.io/v3/${INFURA_KEY}`,
    }
  },
  namedAccounts: {
    deployer: {
      default: 0
    }
  }
}

export default config