tokenbridge/oracle-e2e/test/amb.js
2019-10-21 15:57:28 +03:00

103 lines
3.4 KiB
JavaScript

const Web3 = require('web3')
const assert = require('assert')
const promiseRetry = require('promise-retry')
const { user, homeRPC, foreignRPC, amb } = require('../../e2e-commons/constants.json')
const { generateNewBlock } = require('../../e2e-commons/utils')
const { BOX_ABI } = require('../../commons')
const { toBN } = Web3.utils
const homeWeb3 = new Web3(new Web3.providers.HttpProvider(homeRPC.URL))
const foreignWeb3 = new Web3(new Web3.providers.HttpProvider(foreignRPC.URL))
homeWeb3.eth.accounts.wallet.add(user.privateKey)
foreignWeb3.eth.accounts.wallet.add(user.privateKey)
const homeBox = new homeWeb3.eth.Contract(BOX_ABI, amb.homeBox)
const foreignBox = new foreignWeb3.eth.Contract(BOX_ABI, amb.foreignBox)
describe('arbitrary message bridging', () => {
describe('Home to Foreign', () => {
describe('Subsidized Mode', () => {
it('should bridge message', async () => {
const newValue = 3
const initialValue = await foreignBox.methods.value().call()
assert(!toBN(initialValue).eq(toBN(newValue)), 'initial value should be different from new value')
const setValueTx = await homeBox.methods
.setValueOnOtherNetwork(newValue, amb.home, amb.foreignBox)
.send({
from: user.address,
gas: '400000'
})
.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(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 >= setValueTx.blockNumber + 2) {
await generateNewBlock(homeWeb3, user.address)
} else {
retry()
}
},
{
forever: true,
factor: 1,
minTimeout: 500
}
)
// check that value changed and balance decreased
await promiseRetry(async retry => {
const value = await foreignBox.methods.value().call()
if (!toBN(value).eq(toBN(newValue))) {
retry()
}
})
})
})
})
describe('Foreign to Home', () => {
describe('Subsidized Mode', () => {
it('should bridge message', async () => {
const newValue = 7
const initialValue = await homeBox.methods.value().call()
assert(!toBN(initialValue).eq(toBN(newValue)), 'initial value should be different from new value')
await foreignBox.methods
.setValueOnOtherNetwork(newValue, amb.foreign, amb.homeBox)
.send({
from: user.address,
gas: '400000'
})
.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 value changed and balance decreased
await promiseRetry(async retry => {
const value = await homeBox.methods.value().call()
if (!toBN(value).eq(toBN(newValue))) {
retry()
}
})
})
})
})
})