caver-js/test/sendTransactionBalance.js

caver-js is a JavaScript API library that allows developers to interact with a Klaytn node

/*
    Copyright 2018 The caver-js Authors
    This file is part of the caver-js library.

    The caver-js library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    The caver-js library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with the caver-js. If not, see <http://www.gnu.org/licenses/>.
*/

const { expect } = require('chai')

const testRPCURL = require('./testrpc')
const Caver = require('../index')

const caver = new Caver(testRPCURL)

let senderPrvKey
let senderAddress
let receiver

before(() => {
    senderPrvKey =
        process.env.privateKey && String(process.env.privateKey).indexOf('0x') === -1
            ? `0x${process.env.privateKey}`
            : process.env.privateKey

    caver.klay.accounts.wallet.add(senderPrvKey)

    const sender = caver.klay.accounts.privateKeyToAccount(senderPrvKey)
    senderAddress = sender.address

    receiver = caver.klay.accounts.wallet.add(caver.klay.accounts.create())
})

describe('send transaction should be applied to balance', () => {
    it('should be given transferred balance', async () => {
        let balance = await caver.klay.getBalance(receiver.address)
        expect(balance).to.equals('0')

        const txObj = {
            from: senderAddress,
            to: receiver.address,
            value: 1,
            gas: 900000,
        }
        await caver.klay.sendTransaction(txObj)

        balance = await caver.klay.getBalance(receiver.address)
        expect(balance).to.equals('1')
    }).timeout(100000)
})