hardhat.config.ts

import "@nomiclabs/hardhat-ethers";
import "@nomiclabs/hardhat-etherscan";
import "@nomiclabs/hardhat-waffle";
import "@openzeppelin/hardhat-upgrades";
import "@typechain/hardhat";
import { config } from "dotenv";
import { readFileSync } from "fs";
import "hardhat-gas-reporter";
import { task } from "hardhat/config";
import { File, NFTStorage } from "nft.storage";
import { join } from "path";
import "solidity-coverage";

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();

  // eslint-disable-next-line no-restricted-syntax
  for (const account of accounts) {
    console.log(account.address);
  }
});

// Mint a nft token
task("mint", "Mint a NFT token")
  .addParam("contract", "Contract address")
  .addParam("owner", "Owner address")
  .addParam("file", "FIle path")
  .addParam("name", "File name")
  .addParam("description", "File description")
  .setAction(async (taskArgs, hre) => {
    const { contract, owner, file, name, description } = taskArgs;
    console.log(`Minting NFT token for contract ${contract}`);
    console.log(`Owner: ${owner}`);
    console.log(`File: ${file}`);
    console.log(`Name: ${name}`);
    console.log(`Description: ${description}`);
    const token = await hre.ethers.getContractAt("MyAwesomeLogo", contract);

    // upload file
    const apiKey = process.env.NFT_STORAGE_KEY || "";
    const client = new NFTStorage({ token: apiKey });
    const metadata = await client.store({
      name,
      description,
      image: new File([readFileSync(join(__dirname, file)).buffer], name, {
        type: "image/png", // image/png
      }),
    });
    console.log("Uploaded file to nft storage", metadata);

    // mint a token
    const tx = await token.safeMint(owner, metadata.url);
    const { blockHash } = await tx.wait();
    console.log("Minted NFT", blockHash);
  });

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

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
export default {
  solidity: "0.8.4",
  paths: {
    artifacts: "./src/artifacts",
  },
  typechain: {
    outDir: "src/types",
    target: "ethers-v5",
  },
  networks: {
    hardhat: {
      chainId: 1337,
      initialBaseFeePerGas: 0, // workaround from https://github.com/sc-forks/solidity-coverage/issues/652#issuecomment-896330136 . Remove when that issue is closed.
    },
    tomotestnet: {
      chainId: 89,
      url: process.env.TOMO_PROVIDER_URL || "https://rpc.testnet.tomochain.com",
      accounts: process.env.PRIVATE_KEY !== undefined
        ? [process.env.PRIVATE_KEY]
        : [],
    },
    matictestnet: {
      chainId: 80001,
      url: process.env.MATIC_PROVIDER_URL ||
        "https://speedy-nodes-nyc.moralis.io/036063875a28828fa0c00596/polygon/mumbai",
      accounts: process.env.PRIVATE_KEY !== undefined
        ? [process.env.PRIVATE_KEY]
        : [],
    },
    bsctestnet: {
      chainId: 97,
      url: process.env.BSC_PROVIDER_URL ||
        "https://speedy-nodes-nyc.moralis.io/036063875a28828fa0c00596/bsc/testnet",
      accounts: process.env.PRIVATE_KEY !== undefined
        ? [process.env.PRIVATE_KEY]
        : [],
    },
  },
  gasReporter: {
    enabled: process.env.REPORT_GAS !== undefined,
    currency: "USD",
  },
  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY,
  },
};