530 lines
19 KiB
JavaScript
530 lines
19 KiB
JavaScript
const Web3 = require('web3')
|
|
const assert = require('assert')
|
|
const promiseRetry = require('promise-retry')
|
|
const {
|
|
user,
|
|
secondUser,
|
|
validator,
|
|
ercToNativeBridge,
|
|
homeRPC,
|
|
foreignRPC
|
|
} = require('../../e2e-commons/constants.json')
|
|
const { ERC677_BRIDGE_TOKEN_ABI, FOREIGN_ERC_TO_NATIVE_ABI, SAI_TOP, HOME_ERC_TO_NATIVE_ABI } = require('../../commons')
|
|
const { generateNewBlock } = require('../../e2e-commons/utils')
|
|
const { setRequiredSignatures } = require('./utils')
|
|
|
|
const homeWeb3 = new Web3(new Web3.providers.HttpProvider(homeRPC.URL))
|
|
const foreignWeb3 = new Web3(new Web3.providers.HttpProvider(foreignRPC.URL))
|
|
|
|
const COMMON_HOME_BRIDGE_ADDRESS = ercToNativeBridge.home
|
|
const COMMON_FOREIGN_BRIDGE_ADDRESS = ercToNativeBridge.foreign
|
|
|
|
const { toBN } = foreignWeb3.utils
|
|
|
|
homeWeb3.eth.accounts.wallet.add(user.privateKey)
|
|
homeWeb3.eth.accounts.wallet.add(validator.privateKey)
|
|
foreignWeb3.eth.accounts.wallet.add(user.privateKey)
|
|
foreignWeb3.eth.accounts.wallet.add(validator.privateKey)
|
|
|
|
const erc20Token = new foreignWeb3.eth.Contract(ERC677_BRIDGE_TOKEN_ABI, ercToNativeBridge.foreignToken)
|
|
const foreignBridge = new foreignWeb3.eth.Contract(FOREIGN_ERC_TO_NATIVE_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
|
|
const homeBridge = new homeWeb3.eth.Contract(HOME_ERC_TO_NATIVE_ABI, COMMON_HOME_BRIDGE_ADDRESS)
|
|
|
|
describe('erc to native', () => {
|
|
let halfDuplexTokenAddress
|
|
let halfDuplexToken
|
|
before(async () => {
|
|
halfDuplexTokenAddress = await foreignBridge.methods.halfDuplexErc20token().call()
|
|
halfDuplexToken = new foreignWeb3.eth.Contract(ERC677_BRIDGE_TOKEN_ABI, halfDuplexTokenAddress)
|
|
|
|
// Set 2 required signatures for home bridge
|
|
await setRequiredSignatures({
|
|
bridgeContract: homeBridge,
|
|
web3: homeWeb3,
|
|
requiredSignatures: 2,
|
|
options: {
|
|
from: validator.address,
|
|
gas: '4000000'
|
|
}
|
|
})
|
|
|
|
// Set 2 required signatures for foreign bridge
|
|
await setRequiredSignatures({
|
|
bridgeContract: foreignBridge,
|
|
web3: foreignWeb3,
|
|
requiredSignatures: 2,
|
|
options: {
|
|
from: validator.address,
|
|
gas: '4000000'
|
|
}
|
|
})
|
|
})
|
|
it('should continue working after migration', async () => {
|
|
const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
|
|
const transferValue = homeWeb3.utils.toWei('0.01')
|
|
|
|
// erc20 token address and half duplex address are the same before migration
|
|
const tokenAddress = await foreignBridge.methods.erc20token().call()
|
|
|
|
const erc20AndhalfDuplexToken = new foreignWeb3.eth.Contract(ERC677_BRIDGE_TOKEN_ABI, tokenAddress)
|
|
|
|
// send tokens to foreign bridge
|
|
await erc20AndhalfDuplexToken.methods
|
|
.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async (retry, number) => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
// retry at least 4 times to check transfer is not double processed by the two watchers
|
|
if (toBN(balance).lte(toBN(originalBalanceOnHome)) || number < 4) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(balance).eq(toBN(originalBalanceOnHome).add(toBN(transferValue))),
|
|
'User balance should be increased only by second transfer'
|
|
)
|
|
}
|
|
})
|
|
|
|
// call migration
|
|
await foreignBridge.methods.migrateToMCD().send({
|
|
from: validator.address,
|
|
gas: '4000000'
|
|
})
|
|
|
|
// update min threshold for swap
|
|
await foreignBridge.methods.setMinHDTokenBalance(foreignWeb3.utils.toWei('2', 'ether')).send({
|
|
from: validator.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
const AfterMigrateBalance = await homeWeb3.eth.getBalance(user.address)
|
|
|
|
// send tokens to foreign bridge
|
|
await erc20Token.methods
|
|
.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async (retry, number) => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
// retry at least 4 times to check transfer is not double processed by the two watchers
|
|
if (toBN(balance).lte(toBN(AfterMigrateBalance)) || number < 4) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(balance).eq(toBN(AfterMigrateBalance).add(toBN(transferValue))),
|
|
'User balance should be increased only by second transfer'
|
|
)
|
|
}
|
|
})
|
|
|
|
const afterMigrateAndTransferBalance = await homeWeb3.eth.getBalance(user.address)
|
|
|
|
// send tokens to foreign bridge
|
|
await halfDuplexToken.methods
|
|
.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async (retry, number) => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
// retry at least 4 times to check transfer is not double processed by the two watchers
|
|
if (toBN(balance).lte(toBN(afterMigrateAndTransferBalance)) || number < 4) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(balance).eq(toBN(afterMigrateAndTransferBalance).add(toBN(transferValue))),
|
|
'User balance should be increased only by second transfer'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
it('should convert tokens in foreign to coins in home', async () => {
|
|
const balance = await erc20Token.methods.balanceOf(user.address).call()
|
|
const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const initialBalanceSecondUser = await homeWeb3.eth.getBalance(secondUser.address)
|
|
assert(!toBN(balance).isZero(), 'Account should have tokens')
|
|
|
|
// approve tokens to foreign bridge
|
|
await erc20Token.methods
|
|
.approve(COMMON_FOREIGN_BRIDGE_ADDRESS, homeWeb3.utils.toWei('0.01'))
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// call bridge method to transfer tokens to a different recipient
|
|
await foreignBridge.methods
|
|
.relayTokens(secondUser.address, homeWeb3.utils.toWei('0.01'))
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async retry => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
const secondUserbalance = await homeWeb3.eth.getBalance(secondUser.address)
|
|
assert(toBN(balance).lte(toBN(originalBalanceOnHome)), 'User balance should be the same')
|
|
if (toBN(secondUserbalance).lte(toBN(initialBalanceSecondUser))) {
|
|
retry()
|
|
}
|
|
})
|
|
|
|
const transferValue = homeWeb3.utils.toWei('0.05')
|
|
|
|
// send tokens to foreign bridge
|
|
await erc20Token.methods
|
|
.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, transferValue)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async retry => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
if (toBN(balance).lte(toBN(originalBalanceOnHome))) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(balance).eq(toBN(originalBalanceOnHome).add(toBN(transferValue))),
|
|
'User balance should be increased only by second transfer'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
it('should convert half duplex token in foreign to native token in home', async () => {
|
|
const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const bridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
const bridgeHalfDuplexBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
|
|
const valueToTransfer = foreignWeb3.utils.toWei('1', 'ether')
|
|
|
|
// this transfer won't trigger a call to swap tokens
|
|
await halfDuplexToken.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async retry => {
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
if (toBN(balance).lte(toBN(originalBalanceOnHome))) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(balance).eq(toBN(originalBalanceOnHome).add(toBN(valueToTransfer))),
|
|
'User balance should be increased by the half duplex token transfer'
|
|
)
|
|
}
|
|
})
|
|
|
|
const updatedBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const updatedBridgeHalfDuplexBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
assert(
|
|
toBN(updatedBridgeHalfDuplexBalance).eq(toBN(bridgeHalfDuplexBalance).add(toBN(valueToTransfer))),
|
|
'Bridge balance should reflect the transfer value'
|
|
)
|
|
|
|
// this transfer will trigger call to swap tokens
|
|
await halfDuplexToken.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
await promiseRetry(async retry => {
|
|
const userBalance = await homeWeb3.eth.getBalance(user.address)
|
|
const updatedBridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
|
|
if (
|
|
toBN(userBalance).lte(toBN(updatedBalanceOnHome)) ||
|
|
toBN(updatedBridgeErc20TokenBalance).lte(toBN(bridgeErc20TokenBalance))
|
|
) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(userBalance).eq(toBN(updatedBalanceOnHome).add(toBN(valueToTransfer))),
|
|
'User balance should be increased by the half duplex token transfer'
|
|
)
|
|
const updatedBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
assert(toBN(updatedBalance).isZero(), 'Half duplex bridge balance should be zero')
|
|
assert(
|
|
toBN(updatedBridgeErc20TokenBalance).eq(
|
|
toBN(bridgeErc20TokenBalance)
|
|
.add(toBN(bridgeHalfDuplexBalance))
|
|
.add(toBN(foreignWeb3.utils.toWei('2', 'ether')))
|
|
),
|
|
'Erc20 token balance should be correctly increased by the token swap'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
it('should convert half duplex token in foreign to native token in home for alternative receiver ', async () => {
|
|
const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const initialBalanceSecondUser = await homeWeb3.eth.getBalance(secondUser.address)
|
|
const bridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
|
|
const valueToTransfer = foreignWeb3.utils.toWei('1', 'ether')
|
|
|
|
// approve tokens to foreign bridge
|
|
await halfDuplexToken.methods
|
|
.approve(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// call bridge method to transfer tokens to a different recipient
|
|
await foreignBridge.methods['relayTokens(address,uint256,address)'](
|
|
secondUser.address,
|
|
valueToTransfer,
|
|
halfDuplexTokenAddress
|
|
)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async retry => {
|
|
const secondUserbalance = await homeWeb3.eth.getBalance(secondUser.address)
|
|
const updatedBridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
const userbalance = await homeWeb3.eth.getBalance(user.address)
|
|
assert(toBN(userbalance).lte(toBN(originalBalanceOnHome)), 'User balance should be the same')
|
|
if (
|
|
toBN(secondUserbalance).lte(toBN(initialBalanceSecondUser)) ||
|
|
toBN(updatedBridgeErc20TokenBalance).lte(toBN(bridgeErc20TokenBalance))
|
|
) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(secondUserbalance).eq(toBN(initialBalanceSecondUser).add(toBN(valueToTransfer))),
|
|
'User balance should be increased by the half duplex token transfer'
|
|
)
|
|
const updatedHDBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
assert(toBN(updatedHDBalance).isZero(), 'Half duplex bridge balance should be zero')
|
|
assert(
|
|
toBN(updatedBridgeErc20TokenBalance).eq(toBN(bridgeErc20TokenBalance).add(toBN(valueToTransfer))),
|
|
'Erc20 token balance should be correctly increased by the token swap'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
it('should not relay half duplex token transfer after Emergency Shutdown', async () => {
|
|
const originalBalanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const bridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
const bridgeHalfDuplexBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
|
|
const block = await foreignWeb3.eth.getBlock('latest')
|
|
const saiTop = new foreignWeb3.eth.Contract(SAI_TOP, ercToNativeBridge.saiTop)
|
|
|
|
// Trigger Emergency Shutdown
|
|
await saiTop.methods
|
|
.setCaged(block.timestamp)
|
|
.send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
.catch(e => {
|
|
console.error(e)
|
|
})
|
|
|
|
const valueToTransfer = foreignWeb3.utils.toWei('1', 'ether')
|
|
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// this transfer won't trigger a call to swap tokens
|
|
await halfDuplexToken.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, valueToTransfer).send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// check that transfer and swap are not processed in the next blocks.
|
|
await promiseRetry(async (retry, number) => {
|
|
const balanceOnHome = await homeWeb3.eth.getBalance(user.address)
|
|
const currentBridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
const currentBridgeHalfDuplexBalance = await halfDuplexToken.methods
|
|
.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS)
|
|
.call()
|
|
|
|
assert(toBN(balanceOnHome).eq(toBN(originalBalanceOnHome)), 'User balance should be the same')
|
|
assert(
|
|
toBN(currentBridgeHalfDuplexBalance).eq(toBN(bridgeHalfDuplexBalance).add(toBN(valueToTransfer))),
|
|
'Half duplex balance should be the value of transfer'
|
|
)
|
|
assert(toBN(currentBridgeErc20TokenBalance).eq(toBN(bridgeErc20TokenBalance)), 'erc20 balance should not change')
|
|
|
|
// generate new blocks
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
// after several retries, the state is corrects
|
|
if (number < 4) {
|
|
retry()
|
|
}
|
|
})
|
|
|
|
// let's undo the Emergency Shutdown to check that the oracle is still working
|
|
await saiTop.methods.setCaged('0').send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
const newValueToTransfer = foreignWeb3.utils.toWei('2', 'ether')
|
|
|
|
await halfDuplexToken.methods.transfer(COMMON_FOREIGN_BRIDGE_ADDRESS, newValueToTransfer).send({
|
|
from: user.address,
|
|
gas: '1000000'
|
|
})
|
|
|
|
await generateNewBlock(foreignWeb3, user.address)
|
|
|
|
await promiseRetry(async retry => {
|
|
const userBalance = await homeWeb3.eth.getBalance(user.address)
|
|
const updatedBridgeErc20TokenBalance = await erc20Token.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
|
|
if (
|
|
toBN(userBalance).lte(toBN(originalBalanceOnHome)) ||
|
|
toBN(updatedBridgeErc20TokenBalance).lte(toBN(bridgeErc20TokenBalance))
|
|
) {
|
|
retry()
|
|
} else {
|
|
assert(
|
|
toBN(userBalance).eq(toBN(originalBalanceOnHome).add(toBN(newValueToTransfer))),
|
|
'User balance should be increased by the half duplex token transfer'
|
|
)
|
|
const updatedHDBalance = await halfDuplexToken.methods.balanceOf(COMMON_FOREIGN_BRIDGE_ADDRESS).call()
|
|
assert(toBN(updatedHDBalance).isZero(), 'Half duplex bridge balance should be zero')
|
|
assert(
|
|
toBN(updatedBridgeErc20TokenBalance).eq(
|
|
toBN(bridgeErc20TokenBalance)
|
|
.add(toBN(valueToTransfer))
|
|
.add(toBN(newValueToTransfer))
|
|
),
|
|
'Erc20 token balance should be correctly increased by the token swap'
|
|
)
|
|
}
|
|
})
|
|
})
|
|
it('should convert coins in home to tokens in foreign', async () => {
|
|
const originalBalance = await erc20Token.methods.balanceOf(user.address).call()
|
|
|
|
// check that account has tokens in home chain
|
|
const balance = await homeWeb3.eth.getBalance(user.address)
|
|
assert(!toBN(balance).isZero(), 'Account should have tokens')
|
|
|
|
// send transaction to home bridge
|
|
const depositTx = await homeWeb3.eth.sendTransaction({
|
|
from: user.address,
|
|
to: COMMON_HOME_BRIDGE_ADDRESS,
|
|
gasPrice: '1',
|
|
gas: '1000000',
|
|
value: homeWeb3.utils.toWei('0.01')
|
|
})
|
|
|
|
// Send a trivial transaction to generate a new block since the watcher
|
|
// is configured to wait 1 confirmation block
|
|
await generateNewBlock(homeWeb3, user.address)
|
|
|
|
// The bridge should create a new transaction with a CollectedSignatures
|
|
// event so we generate another trivial transaction
|
|
await promiseRetry(
|
|
async retry => {
|
|
const lastBlockNumber = await homeWeb3.eth.getBlockNumber()
|
|
if (lastBlockNumber >= depositTx.blockNumber + 2) {
|
|
await generateNewBlock(homeWeb3, user.address)
|
|
} else {
|
|
retry()
|
|
}
|
|
},
|
|
{
|
|
forever: true,
|
|
factor: 1,
|
|
minTimeout: 500
|
|
}
|
|
)
|
|
|
|
// check that balance increases
|
|
await promiseRetry(async retry => {
|
|
await generateNewBlock(homeWeb3, user.address)
|
|
const balance = await erc20Token.methods.balanceOf(user.address).call()
|
|
if (toBN(balance).lte(toBN(originalBalance))) {
|
|
retry()
|
|
}
|
|
})
|
|
})
|
|
})
|