hardhat.config.ts

import { config as dotEnvConfig } from "dotenv";
dotEnvConfig();

import { HardhatUserConfig } from "hardhat/types";

import "@nomiclabs/hardhat-waffle";
import "@typechain/hardhat";
import "@nomiclabs/hardhat-etherscan";

import "solidity-coverage";

const DEPLOYER_PRIVATE_KEY =
  process.env.RINKEBY_PRIVATE_KEY! ||
  "0000000000000000000000000000000000000000000000000000000000000000";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "";

const config: HardhatUserConfig = {
  defaultNetwork: "hardhat",
  solidity: {
    compilers: [
      {
        version: "0.7.6",
        settings: {
          optimizer: {
            enabled: true,
            runs: 1000,
          },
        },
      },
    ],
  },
  networks: {
    hardhat: {},
    localhost: {},
    development: {
      url: `http://47.88.20.217:8545`,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    testnet: {
      url: `http://47.88.20.217:8545`,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    labs: {
      url: `http://47.88.20.217:8545`,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    mainnet: {
      url: `http://172.21.121.12:8545`,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    bsctest: {
      url: `https://data-seed-prebsc-1-s1.binance.org:8545`,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    bscstage: {
      url: "https://bsc-dataseed.binance.org/",
      chainId: 56,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    bsc: {
      url: "https://bsc-dataseed.binance.org/",
      chainId: 56,
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    mumbai: {
      url: "https://rpc-mumbai.maticvigil.com",
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    polygon: {
      url: "https://rpc-mainnet.maticvigil.com",
      accounts: [DEPLOYER_PRIVATE_KEY],
    },
    coverage: {
      url: "http://127.0.0.1:8555", // Coverage launches its own ganache-cli client
    },
  },
  paths: {
    sources: "./contracts",
    tests: "./test",
    cache: "./cache",
    artifacts: "./artifacts",
  },
  mocha: {
    timeout: 2000000,
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    apiKey: ETHERSCAN_API_KEY,
  },
};

export default config;