hardhat.config.js

require("@typechain/hardhat");
require("@nomiclabs/hardhat-ethers");
require("@nomiclabs/hardhat-waffle");
let key = require("./key.json");

// 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 () => {
  const accounts = await ethers.getSigners();

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

const LOWEST_OPTIMIZER_COMPILER_SETTINGS = {
  version: "0.7.6",
  settings: {
    optimizer: {
      enabled: true,
      runs: 1_000,
    },
    metadata: {
      bytecodeHash: "none",
    },
  },
};

// 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
 */
module.exports = {
  // solidity: "0.8.4",
  networks: {
    testnet: {
      url: `https://api.s0.b.hmny.io`,
      accounts: [`0x${key.HARMONY_PRIVATE_KEY}`],
    },
    mainnet: {
      url: `https://api.s0.t.hmny.io`,
      accounts: [`0x${key.HARMONY_PRIVATE_KEY}`],
    },
  },
  typechain: {
    outDir: "types",
    target: "ethers-v5",
    alwaysGenerateOverloads: false, // should overloads with full signatures like deposit(uint256) be generated always, even if there are no overloads?
    externalArtifacts: ["externalArtifacts/*.json"], // optional array of glob patterns with external artifacts to process (for example external libs from node_modules)
  },
  solidity: {
    compilers: [
      {
        version: "0.6.12",
        settings: {
          optimizer: {
            enabled: true,
            runs: 200,
          },
        },
      },
      {
        version: "0.7.6",
        settings: {
          optimizer: {
            enabled: true,
            runs: 200,
          },
        },
      },
    ],
    overrides: {
      // 'contracts/test/NFTDescriptorTest.sol': LOWEST_OPTIMIZER_COMPILER_SETTINGS,
      // 'contracts/NonfungibleTokenPositionDescriptor.sol': LOWEST_OPTIMIZER_COMPILER_SETTINGS,
      "contracts/GenerativeNFT.sol": LOWEST_OPTIMIZER_COMPILER_SETTINGS,
    },
  },
};