hardhat.config.ts

import * as dotenv from "dotenv";

import { HardhatUserConfig, task } from "hardhat/config";
import "@nomiclabs/hardhat-etherscan";
import "@nomiclabs/hardhat-waffle";
import "@typechain/hardhat";
import "hardhat-gas-reporter";
import "solidity-coverage";
import "hardhat-prettier";
import "@nomiclabs/hardhat-ethers";
import "hardhat-circom";

import circuits from "./circuits.config.json";
import "./tasks/newcircuit.ts";

// tasks
process.env.BASE_PATH = __dirname;

dotenv.config();

// This is a sample Hardhat task. To learn how to create your own go to
// https://hardhat.org/guides/create-task.html
task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
  const accounts = await hre.ethers.getSigners();

  for (const account of accounts) {
    console.log(account.address);
  }
});

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

const config: HardhatUserConfig = {
  solidity: {
    compilers: [
      {
        version: "0.8.17",
      },
      {
        version: "0.6.11",
      },
    ],
  },
  networks: {
    mainnet: {
      url: process.env.MAINNET_URL || "",
    },
    ropsten: {
      url: process.env.ROPSTEN_URL || "",
    },
    matic: {
      url: process.env.MATIC_URL || "",
    },
    mumbai: {
      url: process.env.MUMBAI_URL || "",
    },
  },
  circom: {
    // (optional) Base path for input files, defaults to `./circuits/`
    inputBasePath: "./circuits",
    // (required) The final ptau file, relative to inputBasePath, from a Phase 1 ceremony
    ptau: "powersOfTau28_hez_final_12.ptau",
    // (required) Each object in this array refers to a separate circuit
    circuits: JSON.parse(JSON.stringify(circuits)),
  },
  gasReporter: {
    enabled: process.env.REPORT_GAS !== undefined,
    currency: "USD",
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
};

export default config;