hardhat.config.js

//import { resolve } from "path";
require("dotenv").config();

// import { HardhatUserConfig } from "hardhat/config";
// import { NetworkUserConfig } from "hardhat/types";

require("@nomiclabs/hardhat-waffle");
require("@nomiclabs/hardhat-etherscan");
require("@nomiclabs/hardhat-ethers");
require("@nomiclabs/hardhat-truffle5");
require("hardhat-typechain");
require("hardhat-contract-sizer");

if (!process.env.MUMBAI_PRIVKEY) throw new Error("MUMBAI_PRIVKEY missing from .env file");
if (!process.env.MAINNET_PRIVKEY) throw new Error("MAINNET_PRIVKEY missing from .env file");

module.exports = {
  defaultNetwork: "hardhat",
  networks: {
    localhost: {
      url: `http://127.0.0.1:8545`,
    },

    // hardhat: {
    //   forking: {
    //     url: `https://eth-mainnet.alchemyapi.io/v2/${process.env.ALCHEMY_KEY}`,
    //     blockNumber: 11589707,
    //   },
    // },
    mumbai: {
      chainId: 80001,
      url: `https://polygon-mumbai.g.alchemy.com/v2/${process.env.ALCHEMY_KEY}`,
      accounts: [process.env.MUMBAI_PRIVKEY],
    },
    matic: {
      chainId: 137,
      url: "https://polygon-rpc.com",
      accounts: [process.env.MAINNET_PRIVKEY],
      gasPrice: 8000000000,
    },
    bsctest: {
      accounts: [process.env.MUMBAI_PRIVKEY || ""],
      chainId: 97,
      url: "https://data-seed-prebsc-1-s1.binance.org:8545",
      timeout: 99999,
      gasPrice: 20e9,
      gas: 35e5,
    },
    bsc: {
      accounts: [process.env.MAINNET_PRIVKEY || ""],
      chainId: 56,
      url: "https://bsc-dataseed1.ninicoin.io/",
      timeout: 999999,
      gasPrice: 20e9,
      gas: 35e5,
    },
  },
  etherscan: {
    apiKey: process.env.POLYSCAN_API,
  },
  paths: {
    artifacts: "./artifacts",
    cache: "./cache",
    sources: "./contracts",
    tests: "./test",
  },
  solidity: {
    compilers: [
      {
        version: "0.8.9",
        settings: {},
      },
      {
        version: "0.6.12",
        settings: {},
      },
    ],
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
  mocha: {
    timeout: 2000000000,
  },
  typechain: {
    outDir: "types/contracts",
    target: "truffle-v5",
  },
  contractSizer: {
    alphaSort: true,
    disambiguatePaths: false,
    runOnCompile: true,
    strict: true,
    only: ["SAM*"],
  },
};