394 lines
13 KiB
JavaScript
394 lines
13 KiB
JavaScript
const Web3 = require('web3')
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const assert = require('assert')
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const promiseRetry = require('promise-retry')
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const {
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user,
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secondUser,
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blockedUser,
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validator,
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ercToNativeBridge,
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homeRPC,
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foreignRPC
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} = require('../../e2e-commons/constants.json')
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const { ERC677_BRIDGE_TOKEN_ABI, FOREIGN_ERC_TO_NATIVE_ABI, HOME_ERC_TO_NATIVE_ABI } = require('../../commons')
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const { uniformRetry, sleep } = require('../../e2e-commons/utils')
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const { setRequiredSignatures } = require('./utils')
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const homeWeb3 = new Web3(new Web3.providers.HttpProvider(homeRPC.URL))
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const foreignWeb3 = new Web3(new Web3.providers.HttpProvider(foreignRPC.URL))
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const COMMON_HOME_BRIDGE_ADDRESS = ercToNativeBridge.home
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const COMMON_FOREIGN_BRIDGE_ADDRESS = ercToNativeBridge.foreign
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const { toBN } = foreignWeb3.utils
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homeWeb3.eth.accounts.wallet.add(user.privateKey)
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homeWeb3.eth.accounts.wallet.add(blockedUser.privateKey)
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homeWeb3.eth.accounts.wallet.add(validator.privateKey)
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foreignWeb3.eth.accounts.wallet.add(user.privateKey)
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foreignWeb3.eth.accounts.wallet.add(validator.privateKey)
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const erc20Token = new foreignWeb3.eth.Contract(ERC677_BRIDGE_TOKEN_ABI, ercToNativeBridge.foreignToken)
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const foreignBridge = new foreignWeb3.eth.Contract(FOREIGN_ERC_TO_NATIVE_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
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const homeBridge = new homeWeb3.eth.Contract(HOME_ERC_TO_NATIVE_ABI, COMMON_HOME_BRIDGE_ADDRESS)
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describe('erc to native', () => {
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before(async () => {
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// Set 2 required signatures for home bridge
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await setRequiredSignatures({
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bridgeContract: homeBridge,
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web3: homeWeb3,
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requiredSignatures: 2,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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// Set 2 required signatures for foreign bridge
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await setRequiredSignatures({
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bridgeContract: foreignBridge,
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web3: foreignWeb3,
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requiredSignatures: 2,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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})
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it('should convert tokens in foreign to coins in home', async () => {
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const balance = await erc20Token.methods.balanceOf(user.address).call()
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const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
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const initialBalanceSecondUser = await homeWeb3.eth.getBalance(secondUser.address)
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assert(!toBN(balance).isZero(), 'Account should have tokens')
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// approve tokens to foreign bridge
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await erc20Token.methods
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.approve(COMMON_FOREIGN_BRIDGE_ADDRESS, homeWeb3.utils.toWei('0.01'))
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.send({
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from: user.address,
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gas: '1000000'
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})
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.catch(e => {
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console.error(e)
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})
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// call bridge method to transfer tokens to a different recipient
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await foreignBridge.methods
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.relayTokens(secondUser.address, homeWeb3.utils.toWei('0.01'))
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.send({
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from: user.address,
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gas: '1000000'
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})
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.catch(e => {
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console.error(e)
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})
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// check that balance increases
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await uniformRetry(async retry => {
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const balance = await homeWeb3.eth.getBalance(user.address)
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const secondUserbalance = await homeWeb3.eth.getBalance(secondUser.address)
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assert(toBN(balance).lte(toBN(originalBalanceOnHome)), 'User balance should be the same')
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if (toBN(secondUserbalance).lte(toBN(initialBalanceSecondUser))) {
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retry()
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}
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})
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const transferValue = homeWeb3.utils.toWei('0.05')
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// send tokens to foreign bridge
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await erc20Token.methods
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.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
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.send({
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from: user.address,
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gas: '1000000'
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})
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.catch(e => {
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console.error(e)
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})
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// check that balance increases
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await uniformRetry(async retry => {
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const balance = await homeWeb3.eth.getBalance(user.address)
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if (toBN(balance).lte(toBN(originalBalanceOnHome))) {
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retry()
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} else {
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assert(
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toBN(balance).eq(toBN(originalBalanceOnHome).add(toBN(transferValue))),
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'User balance should be increased only by second transfer'
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)
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}
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})
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})
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it('should convert coins in home to tokens in foreign', async () => {
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const originalBalance = await erc20Token.methods.balanceOf(user.address).call()
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// check that account has tokens in home chain
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const balance = await homeWeb3.eth.getBalance(user.address)
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assert(!toBN(balance).isZero(), 'Account should have tokens')
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// send transaction to home bridge
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await homeWeb3.eth.sendTransaction({
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from: user.address,
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to: COMMON_HOME_BRIDGE_ADDRESS,
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gasPrice: '1',
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gas: '1000000',
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value: homeWeb3.utils.toWei('0.01')
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})
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// check that balance increases
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await uniformRetry(async retry => {
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const balance = await erc20Token.methods.balanceOf(user.address).call()
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if (toBN(balance).lte(toBN(originalBalance))) {
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retry()
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}
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})
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})
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it('should not process transaction from blocked users', async () => {
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const originalBalance1 = await erc20Token.methods.balanceOf(user.address).call()
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const originalBalance2 = await erc20Token.methods.balanceOf(blockedUser.address).call()
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// check that account has tokens in home chain
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const balance1 = await homeWeb3.eth.getBalance(user.address)
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const balance2 = await homeWeb3.eth.getBalance(blockedUser.address)
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assert(!toBN(balance1).isZero(), 'Account should have tokens')
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assert(!toBN(balance2).isZero(), 'Account should have tokens')
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// send transaction to home bridge
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await homeWeb3.eth.sendTransaction({
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from: user.address,
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to: COMMON_HOME_BRIDGE_ADDRESS,
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gasPrice: '1',
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gas: '1000000',
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value: homeWeb3.utils.toWei('0.01')
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})
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// send transaction to home bridge
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await homeWeb3.eth.sendTransaction({
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from: blockedUser.address,
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to: COMMON_HOME_BRIDGE_ADDRESS,
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gasPrice: '1',
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gas: '1000000',
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value: homeWeb3.utils.toWei('0.01')
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})
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// check that balance increases
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await uniformRetry(async retry => {
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const balance = await erc20Token.methods.balanceOf(user.address).call()
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if (toBN(balance).lte(toBN(originalBalance1))) {
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retry()
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}
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})
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await sleep(3000)
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const balance = await erc20Token.methods.balanceOf(blockedUser.address).call()
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assert(toBN(balance).eq(toBN(originalBalance2)), 'Bridge should not process collected signatures from blocked user')
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})
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it('should not invest dai when chai token is disabled', async () => {
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const bridgeDaiTokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
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await foreignBridge.methods.setMinDaiTokenBalance(foreignWeb3.utils.toWei('2', 'ether')).send({
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from: validator.address,
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gas: '1000000'
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}) // set min limit for automatic investment to 2*2 dai
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const valueToTransfer = foreignWeb3.utils.toWei('5', 'ether')
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// this transfer won't trigger a call to convert to chai
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await erc20Token.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
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from: user.address,
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gas: '1000000'
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})
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await promiseRetry(async (retry, number) => {
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if (number < 4) {
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retry()
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} else {
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const updatedBridgeDaiTokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
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assert(
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toBN(bridgeDaiTokenBalance)
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.add(toBN(valueToTransfer))
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.eq(toBN(updatedBridgeDaiTokenBalance)),
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'Dai tokens should not be when chai is disabled'
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)
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}
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})
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})
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it('should invest dai after enough tokens are collected on bridge account', async () => {
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await foreignBridge.methods.initializeChaiToken().send({
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from: validator.address,
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gas: '1000000'
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}) // initialize chai token
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await foreignBridge.methods.setMinDaiTokenBalance('0').send({
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from: validator.address,
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gas: '1000000'
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}) // set investing limit to 0
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await foreignBridge.methods.convertDaiToChai().send({
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from: validator.address,
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gas: '1000000'
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}) // convert all existing dai tokens on bridge account to chai, in order to start from zero balance
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await foreignBridge.methods.setMinDaiTokenBalance(foreignWeb3.utils.toWei('2', 'ether')).send({
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from: validator.address,
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gas: '1000000'
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}) // set investing limit to 2 dai, automatically invest should happen after 4 dai
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const valueToTransfer = foreignWeb3.utils.toWei('3', 'ether')
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// this transfer won't trigger a call to convert to chai
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await erc20Token.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
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from: user.address,
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gas: '1000000'
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})
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await promiseRetry(async (retry, number) => {
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if (number < 4) {
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retry()
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} else {
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const bridgeDaiTokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
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assert(
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valueToTransfer === bridgeDaiTokenBalance,
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'Dai tokens should not be invested automatically before twice limit is reached'
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)
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}
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})
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// this transfer will trigger call to convert to chai
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await erc20Token.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
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from: user.address,
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gas: '1000000'
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})
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await promiseRetry(async retry => {
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const updatedBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
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if (toBN(updatedBalance).gte(toBN(valueToTransfer).add(toBN(valueToTransfer)))) {
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retry()
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} else {
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const updatedBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
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assert(
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toBN(updatedBalance).eq(toBN(foreignWeb3.utils.toWei('2', 'ether'))),
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'Dai bridge balance should be equal to limit'
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)
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}
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})
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})
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describe('handling of chai swaps', async () => {
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before(async () => {
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// Next tests check validator nonces, this will force every validator to submit signature/affirmation
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// Set 3 required signatures for home bridge
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await setRequiredSignatures({
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bridgeContract: homeBridge,
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web3: homeWeb3,
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requiredSignatures: 3,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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// Set 3 required signatures for foreign bridge
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await setRequiredSignatures({
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bridgeContract: foreignBridge,
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web3: foreignWeb3,
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requiredSignatures: 3,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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})
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it('should not handle transfer event in paying interest', async () => {
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await foreignBridge.methods.setInterestReceiver(user.address).send({
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from: validator.address,
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gas: '1000000'
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})
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const initialNonce = await homeWeb3.eth.getTransactionCount(validator.address)
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await foreignBridge.methods.payInterest().send({
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from: user.address,
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gas: '1000000'
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})
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await promiseRetry(async (retry, number) => {
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if (number < 6) {
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retry()
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} else {
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const nonce = await homeWeb3.eth.getTransactionCount(validator.address)
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assert(
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nonce === initialNonce,
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'Validator should not process transfer event originated during converting Chai => Dai'
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)
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}
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})
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})
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it('should not handle chai withdrawal transfer event in executeSignatures as a regular transfer', async () => {
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await foreignBridge.methods.setMinDaiTokenBalance('0').send({
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from: validator.address,
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gas: '1000000'
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}) // set investing limit to 0
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await foreignBridge.methods.convertDaiToChai().send({
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from: validator.address,
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gas: '1000000'
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}) // convert all existing dai tokens on bridge account to chai, in order to start from zero balance
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const initialNonce = await homeWeb3.eth.getTransactionCount(validator.address)
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const originalBalance = await erc20Token.methods.balanceOf(user.address).call()
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// send transaction to home bridge
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await homeWeb3.eth.sendTransaction({
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from: user.address,
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to: COMMON_HOME_BRIDGE_ADDRESS,
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gasPrice: '1',
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gas: '1000000',
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value: homeWeb3.utils.toWei('0.01')
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})
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// check that balance increases
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await uniformRetry(async retry => {
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const balance = await erc20Token.methods.balanceOf(user.address).call()
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if (toBN(balance).lte(toBN(originalBalance))) {
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retry()
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}
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})
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await promiseRetry(async (retry, number) => {
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if (number < 6) {
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retry()
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} else {
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const nonce = await homeWeb3.eth.getTransactionCount(validator.address)
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assert(
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nonce === initialNonce + 1,
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'Validator should not process transfer event originated during converting Chai => Dai'
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)
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}
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})
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})
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after(async () => {
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// Set 2 required signatures for home bridge
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await setRequiredSignatures({
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bridgeContract: homeBridge,
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web3: homeWeb3,
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requiredSignatures: 2,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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// Set 2 required signatures for foreign bridge
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await setRequiredSignatures({
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bridgeContract: foreignBridge,
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web3: foreignWeb3,
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requiredSignatures: 2,
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options: {
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from: validator.address,
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gas: '4000000'
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}
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})
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})
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})
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})
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