hardhat.config.ts

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

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

import "@nomiclabs/hardhat-waffle";
import "@nomiclabs/hardhat-etherscan";
import "@nomiclabs/hardhat-truffle5";
import "@openzeppelin/hardhat-upgrades";
import "hardhat-typechain";
import "solidity-coverage";
import "hardhat-contract-sizer";

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

//const mnemonics = process.env.MNEMONICS;

const config = {
  defaultNetwork: "hardhat",
  networks: {
    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: 20e10,
    },
    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: "./tests",
  },
  solidity: {
    compilers: [
      {
        version: "0.6.6",
      },
      {
        version: "0.6.12",
      },
      {
        version: "0.7.4",
        settings: {},
      },
      {
        version: "0.8.0",
        settings: {},
      },
    ],
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
  mocha: {
    timeout: 2000000000,
  },
  typechain: {
    outDir: "types/contracts",
    target: "truffle-v5",
  }
};

export default config;