remix-project/libs/remix-simulator/test/accounts.ts

/* global describe, before, it */
import Web3, { FMT_BYTES, FMT_NUMBER } from 'web3'
import { Provider } from '../src/index'
const web3 = new Web3()
import * as assert from 'assert'

describe('Accounts', () => {
  before(async function () {
    const provider = new Provider()
    await provider.init()
    web3.setProvider(provider as any)
  })

  describe('eth_getAccounts', () => {
    it('should get a list of accounts', async function () {
      const accounts: string[] = await web3.eth.getAccounts()
      assert.notEqual(accounts.length, 0)
    })
  })

  describe('eth_getBalance', () => {
    it('should get a account balance', async () => {
      const accounts: string[] = await web3.eth.getAccounts()
      const balance0: string = await web3.eth.getBalance(accounts[0], undefined, { number: FMT_NUMBER.STR, bytes: FMT_BYTES.HEX })
      const balance1: string = await web3.eth.getBalance(accounts[1], undefined, { number: FMT_NUMBER.STR, bytes: FMT_BYTES.HEX })
      const balance2: string = await web3.eth.getBalance(accounts[2], undefined, { number: FMT_NUMBER.STR, bytes: FMT_BYTES.HEX })

      assert.deepEqual(balance0, '100000000000000000000')
      assert.deepEqual(balance1, '100000000000000000000')
      assert.deepEqual(balance2, '100000000000000000000')
    })
  })

  describe('eth_sign', () => {
    it('should sign payloads', async () => {
      const accounts: string[] = await web3.eth.getAccounts()
      const signature = await web3.eth.sign(web3.utils.utf8ToHex('Hello world'), accounts[0])

      assert.deepEqual(typeof signature === 'string' ? signature.length : signature.signature.length, 132)
    })
  })
})