hardhat.config.js

require('@nomiclabs/hardhat-ethers')

const chai = require('chai')
const { solidity } = require('ethereum-waffle')
chai.use(solidity)

module.exports = {
  paths: {
    sources: "./src",
    tests: './hardhat-test'
  },
  networks: {
    hardhat: {
      accounts: {
        accountsBalance: '1000000000000000000000000000' // 1 billion ETH
      },
      allowUnlimitedContractSize: true
    }
  },
  solidity: {
    version: '0.8.10',
    settings: {
      optimizer: {
        enabled: true,
        runs: 800
      },
      metadata: {
        // do not include the metadata hash, since this is machine dependent
        // and we want all generated code to be deterministic
        // https://docs.soliditylang.org/en/v0.8.10/metadata.html
        bytecodeHash: 'none'
      }
    }
  }
}