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

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

describe('Base operation 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 = {
      from: deployer.address,
      nonce: await web3.eth.getTransactionCount(deployer.address),
      gasPrice: web3.utils.toWei('2', 'gwei'),
      gasLimit: 1_000_000,
      to: contracts.ZERO,
      value: 1e9
    }

    await web3.eth.sendTransaction(rawTx).then(console.log)
  })

  it('Weth withdraw test', async () => {
    const WETH_ABI = require('../abi/WETH_ABI.json')
    const WETH_ADDR = contracts.WETH

    let weth_contract = new web3.eth.Contract(WETH_ABI, WETH_ADDR)
    // await weth_contract.methods.balanceOf(deployer.address).call().then(console.log)

    let rawTx = {
      from: deployer.address,
      nonce: await web3.eth.getTransactionCount(deployer.address),
      gasPrice: web3.utils.toWei('2', 'gwei'),
      gasLimit: 1_000_000
    }
    await weth_contract.methods.withdraw(1e15).send(rawTx).then(console.log)
  })

  it ('Weth approve test', async () => {
    const WETH_ABI = require('../abi/WETH_ABI.json')
    const WETH_ADDR = contracts.WETH

    let weth_contract = new web3.eth.Contract(WETH_ABI, WETH_ADDR)
    // await weth_contract.methods.balanceOf(deployer.address).call().then(console.log)

    let rawTx = {
      from: deployer.address,
      nonce: await web3.eth.getTransactionCount(deployer.address),
      gasPrice: web3.utils.toWei('2', 'gwei'),
      gasLimit: 1_000_000
    }

    await weth_contract.methods.approve(contracts.UNIV3, 1e18.toString()).send(rawTx).then(console.log)
  })
})