hardhat.config.ts

import { task, subtask, HardhatUserConfig } from "hardhat/config";
import "@nomiclabs/hardhat-waffle";
import "@nomiclabs/hardhat-ethers";
import "hardhat-gas-reporter";
import "@nomiclabs/hardhat-etherscan";
import "solidity-coverage";
import "hardhat-contract-sizer";
import "hardhat-abi-exporter";

import * as fs from "fs";
import "@typechain/hardhat";
import '@nomiclabs/hardhat-ethers'

import "./tasks/setup";

// You need to export an object to set up your config
// Go to https://hardhat.org/config/ to learn more

const defaultNetwork = "localhost";


function mnemonic() {
  try {
    return fs.readFileSync("./mnemonic.txt").toString().trim();
  } catch (e) {
    if (defaultNetwork !== "localhost") {
      console.log(
        "☢️ WARNING: No mnemonic file created for a deploy account. Try `yarn run generate` and then `yarn run account`."
      );
    }
  }
  return "";
}
function etherscan() {
  try {
    return fs.readFileSync("./etherscan.txt").toString().trim();
  } catch (e) {
    if (defaultNetwork !== "localhost") {
      console.log("☢️ WARNING: No etherscan file");
    }
  }
  return "";
}

const config: HardhatUserConfig = {
  networks: {
    localhost: {
      url: "http://localhost:8545",
      /*
        notice no mnemonic here? it will just use account 0 of the hardhat node to deploy
        (you can put in a mnemonic here to set the deployer locally)
      */
    },
    rinkeby: {
      url: "https://rinkeby.infura.io/v3/460f40a260564ac4a4f4b3fffb032dad", //<---- YOUR INFURA ID! (or it won't work)
      gas: 5000000,
      gasPrice: 8000000000,
      gasMultiplier: 2,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    kovan: {
      url: "https://kovan.infura.io/v3/460f40a260564ac4a4f4b3fffb032dad", //<---- YOUR INFURA ID! (or it won't work)
      gas: 5000000,
      gasPrice: 8000000000,
      gasMultiplier: 2,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    mainnet: {
      url: "https://mainnet.infura.io/v3/460f40a260564ac4a4f4b3fffb032dad", //<---- YOUR INFURA ID! (or it won't work)
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    ropsten: {
      url: "https://ropsten.infura.io/v3/460f40a260564ac4a4f4b3fffb032dad", //<---- YOUR INFURA ID! (or it won't work)
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    goerli: {
      url: "https://goerli.infura.io/v3/460f40a260564ac4a4f4b3fffb032dad", //<---- YOUR INFURA ID! (or it won't work)
      gas: 5000000,
      gasPrice: 8000000000,
      gasMultiplier: 2,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    xdai: {
      url: "https://rpc.gnosischain.com/",
      gas: 5000000,
      gasPrice: 8000000000,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    matic: {
      // url: 'https://rpc-mainnet.maticvigil.com/v1/036f1ba8516f0eee2204a574a960b68437ac8661',
      url: "https://polygon-mainnet.infura.io/v3/cc7ca25d68f246f393d7630842360c47",
      gasPrice: 1000000000,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
    mumbai: {
      url: "https://rpc-mumbai.maticvigil.com/v1/036f1ba8516f0eee2204a574a960b68437ac8661",
      gasPrice: 1000000000,
      accounts: {
        mnemonic: mnemonic(),
      },
    },
  },
  etherscan: {
    // Your API key for Etherscan
    // Obtain one at https://etherscan.io/
    // apiKey: "61ED96HQAY6PASTEWRXN6AMYQEKM8SYTRY" // etherscan
    apiKey: etherscan(),
  },
  solidity: {
    compilers: [
      {
        version: "0.7.5",
        settings: {
          optimizer: {
            enabled: true,
            runs: 200,
          },
        },
      },
      {
        version: "0.8.13",
        settings: {
          optimizer: {
            enabled: true,
            runs: 100,
          },
        },
      },
      {
        version: "0.5.3",
        settings: {
          optimizer: {
            enabled: true,
            runs: 200,
          },
        },
      },
      {
        version: "0.6.1",
        settings: {
          optimizer: {
            enabled: true,
            runs: 200,
          },
        },
      },
    ],
  },
  abiExporter: {
    path: './abi',
    clear: true,
    flat: true,
    except: ['@gnosis.pm', '@openzeppelin'],
  },
  typechain: {
    outDir: "src/types",
    target: "ethers-v5",
  },
};

export default config;