study-univ3-on-hardhat/test/Univ3Test.ts

import { web3 } from "hardhat";
import deployer from '../.secret'

describe('Univ3 Test', () => {
  it('Parse ether test', async () => {
    console.log(web3.utils.toWei('1', 'gwei'))
  })

  it('Get block number test', async () => {
    console.log(await web3.eth.getBlockNumber())
  })

  it('Get balance test', async () => {
    console.log(await web3.eth.getBalance(deployer.address))
  })

  it('Transfer test', async () => {
    let rawTx = {
      nonce: await web3.eth.getTransactionCount(deployer.address),
      gasPrice: web3.utils.toWei('2', 'gwei'),
      gasLimit: 1_000_000,
      to: '0x0000000000000000000000000000000000000000',
      value: '0x05'
    }

    const signedObj = await web3.eth.accounts.signTransaction(rawTx, deployer.private)
    if (signedObj.rawTransaction != null) {
      console.log('ready send hash: ' + signedObj.transactionHash)
      await web3.eth.sendSignedTransaction(signedObj.rawTransaction).on('error', function (rst) {
        console.error(rst)
      })
      console.log('sent finish.')
    }
  })
})