hardhat.network.ts

import { HardhatUserConfig } from 'hardhat/config';

const infuraApiKey = process.env.INFURA_API_KEY;
const mnemonic = process.env.HDWALLET_MNEMONIC;
const polygonRPCUrl = process.env.POLYGON_MAINNET_RPC_URL;

const networks: HardhatUserConfig['networks'] = {
  hardhat: {
    allowUnlimitedContractSize: true,
  },
  coverage: {
    url: 'http://127.0.0.1:8555',
    blockGasLimit: 200000000,
    allowUnlimitedContractSize: true,
  },
  localhost: {
    chainId: 1,
    url: 'http://127.0.0.1:8545',
    allowUnlimitedContractSize: true,
  },
};

if (mnemonic) {
  networks.mumbai = {
    chainId: 80001,
    url: 'https://rpc-mumbai.maticvigil.com',
    accounts: {
      mnemonic,
    },
  };

  networks.bsc = {
    chainId: 56,
    url: 'https://bsc-dataseed.binance.org',
    accounts: {
      mnemonic,
    },
  };

  networks.bscTestnet = {
    chainId: 97,
    url: 'https://data-seed-prebsc-1-s1.binance.org:8545/',
    accounts: {
      mnemonic,
    },
  };

  networks.harmony = {
    chainId: 1666600000,
    url: 'https://api.harmony.one',
    accounts: {
      mnemonic,
    },
  };

  networks.harmonyDevnet = {
    chainId: 1666900000,
    url: 'https://api.s0.ps.hmny.io',
    accounts: {
      mnemonic,
    },
  };

  networks.celo = {
    chainId: 42220,
    url: 'https://forno.celo.org',
    accounts: {
      mnemonic,
    },
  };

  networks.celoTestnet = {
    chainId: 44787,
    url: 'https://alfajores-forno.celo-testnet.org',
    accounts: {
      mnemonic,
    },
  };

  networks.poaSokol = {
    chainId: 77,
    url: 'https://sokol.poa.network',
    accounts: {
      mnemonic,
    },
  };

  networks.xdai = {
    chainId: 100,
    url: 'https://xdai.poanetwork.dev',
    accounts: {
      mnemonic,
    },
  };

  if (infuraApiKey) {
    networks.kovan = {
      url: `https://kovan.infura.io/v3/${infuraApiKey}`,
      accounts: {
        mnemonic,
        initialIndex: 0,
        count: 3,
      },
    };

    networks.ropsten = {
      url: `https://ropsten.infura.io/v3/${infuraApiKey}`,
      accounts: {
        mnemonic,
        initialIndex: 0,
        count: 3,
      },
    };

    networks.rinkeby = {
      url: `https://rinkeby.infura.io/v3/${infuraApiKey}`,
      accounts: {
        mnemonic,
        initialIndex: 0,
        count: 3,
      },
    };

    networks.mainnet = {
      url: `https://mainnet.infura.io/v3/${infuraApiKey}`,
      accounts: {
        mnemonic,
        initialIndex: 0,
        count: 3,
      },
    };
  }

  if (polygonRPCUrl) {
    networks.matic = {
      chainId: 137,
      url: process.env.POLYGON_MAINNET_RPC_URL,
      accounts: {
        mnemonic,
      },
    };
  }
}

export default networks;