hardhat.config.ts

import { HardhatUserConfig } from 'hardhat/config'
import { NetworkUserConfig } from 'hardhat/types'
// hardhat plugin
import '@nomiclabs/hardhat-ethers'
import '@nomiclabs/hardhat-etherscan'
import '@nomicfoundation/hardhat-toolbox'
import 'hardhat-circom'

import { config as dotenvConfig } from 'dotenv'
import { resolve } from 'path'
import { loadTasks } from './scripts/helpers/hardhatConfig'

const taskFolders = ['tasks']
loadTasks(taskFolders)
dotenvConfig({ path: resolve(__dirname, './.env') })

const chainIds = {
  mainnet: 1,
  goerli: 5,
  hardhat: 31337,
  'chiado-testnet': 10200,
  'polygon-mumbai': 80001,
  quorum: 81712,
  quorum2: 81717
}

// Ensure that we have all the environment variables we need.
const pk: string | undefined = process.env.PRIVATE_KEY
if (!pk) {
  throw new Error('Please set your pk in a .env file')
}

const infuraApiKey: string | undefined = process.env.INFURA_API_KEY
if (!infuraApiKey) {
  throw new Error('Please set your INFURA_API_KEY in a .env file')
}

function getChainConfig (chain: keyof typeof chainIds): NetworkUserConfig {
  let jsonRpcUrl: string
  switch (chain) {
    case 'chiado-testnet':
      jsonRpcUrl = 'https://rpc.chiado.gnosis.gateway.fm'
      break
    case 'quorum':
      jsonRpcUrl = `http://${process.env.QUORUM_URL}:8545`
      break
    case 'quorum2':
      jsonRpcUrl = `http://${process.env.QUORUM_URL2}:8545`
      break
    default:
      jsonRpcUrl = `https://${chain}.infura.io/v3/${infuraApiKey}`
  }
  return {
    accounts: [`0x${pk}`],
    chainId: chainIds[chain],
    url: jsonRpcUrl,
  }
}

const config: HardhatUserConfig = {
  defaultNetwork: 'quorum',
  networks: {
    // hardhat: {
    //   chainId: chainIds.hardhat,
    // },
    // local: {
    //   url: 'http://127.0.0.1:8545',
    // },
    mainnet: getChainConfig('mainnet'),
    goerli: getChainConfig('goerli'),
    'chiado-testnet': getChainConfig('chiado-testnet'),
    'polygon-mumbai': getChainConfig('polygon-mumbai'),
    quorum: getChainConfig('quorum'),
    quorum2: getChainConfig('quorum2'),
  },
  paths: {
    artifacts: './artifacts',
    cache: './cache',
    sources: './contracts',
    tests: './test',
  },
  solidity: {
    compilers: [
      {
      version: '0.8.17',
      },
      {
        version: '0.6.11',
      },
    ],
    settings: {
      metadata: {
        // Not including the metadata hash
        // https://github.com/paulrberg/hardhat-template/issues/31
        bytecodeHash: 'none',
      },
      // Disable the optimizer when debugging
      // https://hardhat.org/hardhat-network/#solidity-optimizer-support
      optimizer: {
        enabled: true,
        runs: 800,
      },
    },
  },
  etherscan: {
    apiKey: {
      mainnet: process.env.ETHERSCAN_API_KEY || '',
      goerli: process.env.GOERLISCAN_API_KEY || '',
      polygonMumbai: process.env.POLYGONSCAN_API_KEY || '',
      chiadoTestnet: process.env.CHIADOSCAN_API_KEY || '',
    },
  },
  circom: {
    inputBasePath: './circuits',
    ptau: "https://hermezptau.blob.core.windows.net/ptau/powersOfTau28_hez_final_15.ptau",
    circuits: [
      {
        name: "hash",
      },
    ],
  },
  gasReporter: {
    currency: 'USD',
    gasPrice: 100,
    enabled: process.env.REPORT_GAS as string === 'true',
    excludeContracts: [],
    src: './contracts',
  },
  typechain: {
    outDir: 'typechain',
    target: 'ethers-v5',
  },
}

export default config