706 lines
20 KiB
JavaScript
706 lines
20 KiB
JavaScript
/* eslint-disable no-console */
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import Web3 from 'web3'
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import BN from 'bignumber.js'
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import namehash from 'eth-ens-namehash'
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import { httpConfig } from '@/constants'
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import { schema, relayerRegisterService } from '@/services'
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import { createChainIdState, parseNote, parseSemanticVersion } from '@/utils'
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import ENSABI from '@/abis/ENS.abi.json'
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import networkConfig from '@/networkConfig'
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const getAxios = () => {
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return import('axios')
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}
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const calculateScore = ({ stakeBalance, tornadoServiceFee }, minFee = 0.33, maxFee = 0.53) => {
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if (tornadoServiceFee < minFee) {
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tornadoServiceFee = minFee
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} else if (tornadoServiceFee >= maxFee) {
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return new BN(0)
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}
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const serviceFeeCoefficient = (tornadoServiceFee - minFee) ** 2
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const feeDiffCoefficient = 1 / (maxFee - minFee) ** 2
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const coefficientsMultiplier = 1 - feeDiffCoefficient * serviceFeeCoefficient
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return new BN(stakeBalance).multipliedBy(coefficientsMultiplier)
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}
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const getWeightRandom = (weightsScores, random) => {
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for (let i = 0; i < weightsScores.length; i++) {
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if (random.isLessThan(weightsScores[i])) {
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return i
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}
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random = random.minus(weightsScores[i])
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}
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return Math.floor(Math.random() * weightsScores.length)
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}
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const pickWeightedRandomRelayer = (items, netId) => {
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let minFee, maxFee
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if (netId !== 1) {
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minFee = 0.01
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maxFee = 0.3
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}
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const weightsScores = items.map((el) => calculateScore(el, minFee, maxFee))
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const totalWeight = weightsScores.reduce((acc, curr) => {
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return (acc = acc.plus(curr))
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}, new BN('0'))
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const random = totalWeight.multipliedBy(Math.random())
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const weightRandomIndex = getWeightRandom(weightsScores, random)
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return items[weightRandomIndex]
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}
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const initialJobsState = createChainIdState({
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tornado: {}
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})
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export const state = () => {
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return {
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prices: {
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dai: '6700000000000000'
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},
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selectedRelayer: {
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url: '',
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name: '',
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stakeBalance: 0,
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tornadoServiceFee: 0.05,
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address: null,
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ethPrices: {
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torn: '1'
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}
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},
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isLoadingRelayers: false,
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validRelayers: [],
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jobs: initialJobsState,
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jobWatchers: {}
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}
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}
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export const getters = {
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ethProvider: (state, getters, rootState) => {
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const { url } = rootState.settings.netId1.rpc
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const httpProvider = new Web3.providers.HttpProvider(url, httpConfig)
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return new Web3(httpProvider)
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},
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jobs: (state, getters, rootState, rootGetters) => (type) => {
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const netId = rootGetters['metamask/netId']
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const jobsToRender = Object.entries(state.jobs[`netId${netId}`][type])
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.reverse()
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.map(
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([
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id,
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{
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action,
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relayerUrl,
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amount,
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currency,
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fee,
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timestamp,
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txHash,
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confirmations,
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status,
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failedReason
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}
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]) => {
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return {
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id,
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action,
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relayerUrl,
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amount,
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currency,
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fee,
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timestamp,
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txHash,
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confirmations,
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status,
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failedReason
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}
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}
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)
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return jobsToRender
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}
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}
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export const mutations = {
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SET_SELECTED_RELAYER(state, payload) {
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this._vm.$set(state, 'selectedRelayer', payload)
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},
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SAVE_VALIDATED_RELAYERS(state, relayers) {
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state.validRelayers = relayers
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},
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SAVE_JOB(
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state,
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{
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id,
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netId,
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type,
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action,
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relayerUrl,
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amount,
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currency,
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fee,
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commitmentHex,
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timestamp,
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note,
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accountAfter,
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account
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}
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) {
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this._vm.$set(state.jobs[`netId${netId}`][type], id, {
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action,
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relayerUrl,
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amount,
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currency,
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fee,
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commitmentHex,
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timestamp,
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note,
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accountAfter,
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account
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})
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},
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UPDATE_JOB(state, { id, netId, type, txHash, confirmations, status, failedReason }) {
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const job = state.jobs[`netId${netId}`][type][id]
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this._vm.$set(state.jobs[`netId${netId}`][type], id, {
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...job,
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txHash,
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confirmations,
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status,
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failedReason
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})
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},
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DELETE_JOB(state, { id, netId, type }) {
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this._vm.$delete(state.jobs[`netId${netId}`][type], id)
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},
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ADD_JOB_WATCHER(state, { id, timerId }) {
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this._vm.$set(state.jobWatchers, id, {
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timerId
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})
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},
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DELETE_JOB_WATCHER(state, { id }) {
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this._vm.$delete(state.jobWatchers, id)
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},
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SET_IS_LOADING_RELAYERS(state, isLoadingRelayers) {
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state.isLoadingRelayers = isLoadingRelayers
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}
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}
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export const actions = {
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async askRelayerStatus(
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{ rootState, dispatch, rootGetters },
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{ hostname, relayerAddress, stakeBalance, ensName }
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) {
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try {
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const axios = await getAxios()
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if (!hostname.endsWith('/')) {
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hostname += '/'
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}
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const url = `${window.location.protocol}//${hostname}`
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const reqConfig = {
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headers: {
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'Content-Type': 'application/json, application/x-www-form-urlencoded'
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},
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timeout: 10000
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}
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const response = await axios.get(`${url}status`, reqConfig).catch(() => {
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throw new Error(this.app.i18n.t('canNotFetchStatusFromTheRelayer'))
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})
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if (Number(response.data.currentQueue) > 5) {
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throw new Error(this.app.i18n.t('withdrawalQueueIsOverloaded'))
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}
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const netId = Number(rootGetters['metamask/netId'])
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if (Number(response.data.netId) !== netId) {
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throw new Error(this.app.i18n.t('thisRelayerServesADifferentNetwork'))
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}
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const validate = schema.getRelayerValidateFunction(netId)
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// check rewardAccount === relayerAddress for TORN burn, custom relayer - exception
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if (netId === 1 && relayerAddress && response.data.rewardAccount !== relayerAddress) {
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throw new Error('The Relayer reward address must match registered address')
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}
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const isValid = validate(response.data)
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if (!isValid) {
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console.error('askRelayerStatus', ensName, validate?.errors)
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throw new Error(this.app.i18n.t('canNotFetchStatusFromTheRelayer'))
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}
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const hasEnabledLightProxy = rootGetters['application/hasEnabledLightProxy']
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const getIsUpdated = () => {
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const relayerVersion = response.data.version
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if (relayerVersion === '5.0.0') {
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return true
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}
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const requiredMajor = hasEnabledLightProxy ? '5' : '4'
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const { major, patch, prerelease } = parseSemanticVersion(relayerVersion)
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const isUpdatedMajor = major === requiredMajor
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if (isUpdatedMajor && prerelease) {
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const minimalBeta = 11
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const [betaVersion] = prerelease.split('.').slice(-1)
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return Number(betaVersion) >= minimalBeta
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}
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const minimalPatch = 4
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return isUpdatedMajor && Number(patch) >= minimalPatch
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}
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if (!getIsUpdated()) {
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throw new Error('Outdated version.')
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}
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return {
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isValid,
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realUrl: url,
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stakeBalance,
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name: ensName,
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relayerAddress,
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netId: response.data.netId,
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ethPrices: response.data.ethPrices,
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address: response.data.rewardAccount,
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currentQueue: response.data.currentQueue,
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tornadoServiceFee: response.data.tornadoServiceFee
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}
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} catch (e) {
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console.error('askRelayerStatus', ensName, e.message)
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return { isValid: false, error: e.message }
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}
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},
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async observeRelayer({ dispatch }, { relayer }) {
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const result = await dispatch('askRelayerStatus', relayer)
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return result
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},
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async pickRandomRelayer({ rootGetters, commit, dispatch, getters }) {
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const netId = rootGetters['metamask/netId']
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const { ensSubdomainKey } = rootGetters['metamask/networkConfig']
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commit('SET_IS_LOADING_RELAYERS', true)
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const registeredRelayers = await relayerRegisterService(getters.ethProvider).getRelayers(ensSubdomainKey)
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const requests = []
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for (const registeredRelayer of registeredRelayers) {
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requests.push(dispatch('observeRelayer', { relayer: registeredRelayer }))
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}
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let statuses = await Promise.all(requests)
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statuses = statuses.filter((status) => status.isValid)
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// const validRelayerENSnames = statuses.map((relayer) => relayer.name)
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commit('SAVE_VALIDATED_RELAYERS', statuses)
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console.log('filtered statuses ', statuses)
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try {
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const {
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name,
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realUrl,
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address,
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ethPrices,
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stakeBalance,
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tornadoServiceFee
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} = pickWeightedRandomRelayer(statuses, netId)
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console.log('Selected relayer', name, tornadoServiceFee)
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commit('SET_SELECTED_RELAYER', {
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name,
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address,
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ethPrices,
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url: realUrl,
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stakeBalance,
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tornadoServiceFee
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})
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} catch {
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console.error('Method pickRandomRelayer has not picked relayer')
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dispatch(
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'notice/addNotice',
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{
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notice: {
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untranslatedTitle: 'Failed to fetch relayers',
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type: 'warning'
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},
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interval: 1500
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},
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{ root: true }
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)
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}
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commit('SET_IS_LOADING_RELAYERS', false)
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},
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async getKnownRelayerData({ rootGetters, getters }, { relayerAddress, name }) {
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const { ensSubdomainKey } = rootGetters['metamask/networkConfig']
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const [validRelayer] = await relayerRegisterService(getters.ethProvider).getValidRelayers(
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[{ relayerAddress, ensName: name.replace(`${ensSubdomainKey}.`, '') }],
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ensSubdomainKey
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)
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console.warn('validRelayer', validRelayer)
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return validRelayer
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},
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async getCustomRelayerData({ rootState, state, getters, rootGetters, dispatch }, { url, name }) {
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const provider = getters.ethProvider.eth
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const PROTOCOL_REGEXP = /^(http(s?))/
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if (!PROTOCOL_REGEXP.test(url)) {
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if (url.endsWith('.onion')) {
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url = `http://${url}`
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} else {
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url = `https://${url}`
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}
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}
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const urlParser = new URL(url)
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urlParser.href = url
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let ensName = name
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if (urlParser.hostname.endsWith('.eth')) {
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ensName = urlParser.hostname
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let resolverInstance = await provider.ens.getResolver(ensName)
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if (new BN(resolverInstance._address).isZero()) {
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throw new Error('missingENSSubdomain')
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}
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resolverInstance = new provider.Contract(ENSABI, resolverInstance._address)
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const ensNameHash = namehash.hash(ensName)
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const hostname = await resolverInstance.methods.text(ensNameHash, 'url').call()
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if (!hostname) {
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throw new Error('canNotFetchStatusFromTheRelayer')
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}
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urlParser.host = hostname
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}
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const hostname = urlParser.host
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return { hostname, ensName, stakeBalance: 0 }
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},
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async getRelayerData({ state, dispatch }, { url, name }) {
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const knownRelayer = state.validRelayers.find((el) => el.name === name)
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if (knownRelayer) {
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const knownRelayerData = await dispatch('getKnownRelayerData', knownRelayer)
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return knownRelayerData
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}
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const customRelayerData = await dispatch('getCustomRelayerData', { url, name })
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return customRelayerData
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},
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async setupRelayer({ commit, rootState, dispatch }, { url, name }) {
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try {
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const relayerData = await dispatch('getRelayerData', { url, name })
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const { error, isValid, realUrl, address, ethPrices, tornadoServiceFee } = await dispatch(
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'askRelayerStatus',
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relayerData
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)
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if (!isValid) {
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return { error, isValid: false }
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}
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return {
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isValid,
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name,
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url: realUrl || '',
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address: address || '',
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tornadoServiceFee: tornadoServiceFee || 0.0,
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ethPrices: ethPrices || { torn: '1' }
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}
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} catch (err) {
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return {
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isValid: false,
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error: this.app.i18n.t(err.message)
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}
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}
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},
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async relayTornadoWithdraw({ state, commit, dispatch, rootState }, { note }) {
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const { currency, netId, amount, commitmentHex } = parseNote(note)
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const config = networkConfig[`netId${netId}`]
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const contract = config.tokens[currency].instanceAddress[amount]
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try {
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const { proof, args } = rootState.application.notes[note]
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const message = {
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args,
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proof,
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contract
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}
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dispatch(
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'loading/changeText',
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{ message: this.app.i18n.t('relayerIsNowSendingYourTransaction') },
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{ root: true }
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)
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const response = await fetch(state.selectedRelayer.url + 'v1/tornadoWithdraw', {
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method: 'POST',
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mode: 'cors',
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cache: 'no-cache',
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headers: {
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'Content-Type': 'application/json'
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},
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redirect: 'error',
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body: JSON.stringify(message)
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})
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if (response.status === 400) {
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const { error } = await response.json()
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throw new Error(error)
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}
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if (response.status === 200) {
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const { id } = await response.json()
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const timestamp = Math.round(new Date().getTime() / 1000)
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commit('SAVE_JOB', {
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id,
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netId,
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type: 'tornado',
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action: 'Deposit',
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relayerUrl: state.selectedRelayer.url,
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commitmentHex,
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amount,
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currency,
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timestamp,
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note
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})
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dispatch('runJobWatcherWithNotifications', { id, type: 'tornado', netId })
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} else {
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throw new Error(this.app.i18n.t('unknownError'))
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}
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} catch (e) {
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console.error('relayTornadoWithdraw', e)
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const { name, url } = state.selectedRelayer
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throw new Error(this.app.i18n.t('relayRequestFailed', { relayerName: name === 'custom' ? url : name }))
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}
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},
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async runJobWatcherWithNotifications({ dispatch, state }, { routerLink, id, netId, type }) {
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const { amount, currency } = state.jobs[`netId${netId}`][type][id]
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const noticeId = await dispatch(
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'notice/addNotice',
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{
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notice: {
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title: {
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path: 'withdrawing',
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amount,
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currency
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},
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type: 'loading',
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routerLink
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}
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},
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{ root: true }
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)
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try {
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await dispatch('runJobWatcher', { id, netId, type, noticeId })
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dispatch('deleteJob', { id, netId, type })
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} catch (err) {
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dispatch(
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'notice/updateNotice',
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{
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id: noticeId,
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notice: {
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title: 'transactionFailed',
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type: 'danger',
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routerLink: undefined
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}
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},
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{ root: true }
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)
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dispatch(
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'notice/addNoticeWithInterval',
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{
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notice: {
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title: 'relayerError',
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type: 'danger'
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}
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},
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{ root: true }
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)
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}
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},
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deleteJob({ state, dispatch, commit }, { id, netId, type }) {
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dispatch('stopFinishJobWatcher', { id })
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const { amount, currency, action, fee, txHash, note } = state.jobs[`netId${netId}`][type][id]
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commit('DELETE_JOB', { id, netId, type })
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dispatch(
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'txHashKeeper/updateDeposit',
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{ amount, currency, netId, type, action, note, txHash, fee },
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{ root: true }
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)
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},
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runJobWatcher({ state, dispatch }, { id, netId, type, noticeId }) {
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console.log('runJobWatcher started for job', id)
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return new Promise((resolve, reject) => {
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const getConfirmations = async ({ id, netId, type, noticeId, retryAttempt = 0, noticeCalls = 0 }) => {
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try {
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const job = state.jobs[`netId${netId}`][type][id]
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if (job.status === 'FAILED') {
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retryAttempt = 6
|
|
throw new Error('Relayer is not responding')
|
|
}
|
|
|
|
const response = await fetch(`${job.relayerUrl}v1/jobs/${id}`, {
|
|
method: 'GET',
|
|
mode: 'cors',
|
|
cache: 'no-cache',
|
|
headers: {
|
|
'Content-Type': 'application/json'
|
|
},
|
|
redirect: 'error'
|
|
})
|
|
if (response.status === 400) {
|
|
const { error } = await response.json()
|
|
console.error('runJobWatcher', error)
|
|
throw new Error(this.app.i18n.t('relayerError'))
|
|
}
|
|
|
|
if (response.status === 200) {
|
|
await dispatch('handleResponse', {
|
|
id,
|
|
response,
|
|
job,
|
|
type,
|
|
netId,
|
|
retryAttempt,
|
|
noticeId,
|
|
noticeCalls,
|
|
resolve,
|
|
getConfirmations
|
|
})
|
|
} else {
|
|
throw new Error(this.app.i18n.t('unknownError'))
|
|
}
|
|
} catch (e) {
|
|
if (retryAttempt < 5) {
|
|
retryAttempt++
|
|
|
|
setTimeout(
|
|
() =>
|
|
getConfirmations({
|
|
id,
|
|
netId,
|
|
type,
|
|
noticeId,
|
|
retryAttempt,
|
|
noticeCalls
|
|
}),
|
|
3000
|
|
)
|
|
}
|
|
reject(e.message)
|
|
}
|
|
}
|
|
getConfirmations({ id, netId, type, noticeId })
|
|
dispatch('finishJobWatcher', { id, netId, type })
|
|
})
|
|
},
|
|
async handleResponse(
|
|
{ state, rootGetters, commit, dispatch, getters, rootState },
|
|
{ response, id, job, type, netId, retryAttempt, resolve, getConfirmations, noticeId, noticeCalls }
|
|
) {
|
|
const { amount, currency } = job
|
|
const { txHash, confirmations, status, failedReason } = await response.json()
|
|
console.log('txHash, confirmations, status, failedReason', txHash, confirmations, status, failedReason)
|
|
commit('UPDATE_JOB', { id, netId, type, txHash, confirmations, status, failedReason })
|
|
|
|
if (status === 'FAILED') {
|
|
dispatch('stopFinishJobWatcher', { id })
|
|
commit('DELETE_JOB', { id, netId, type })
|
|
retryAttempt = 6
|
|
console.error('runJobWatcher.handleResponse', failedReason)
|
|
|
|
throw new Error(this.app.i18n.t('relayerError'))
|
|
}
|
|
|
|
if (txHash && noticeCalls === 0 && (Number(confirmations) > 0 || status === 'CONFIRMED')) {
|
|
noticeCalls++
|
|
|
|
dispatch(
|
|
'notice/updateNotice',
|
|
{
|
|
id: noticeId,
|
|
notice: {
|
|
title: {
|
|
path: 'withdrawnValue',
|
|
amount,
|
|
currency
|
|
},
|
|
type: 'success',
|
|
txHash
|
|
},
|
|
interval: 10000
|
|
},
|
|
{ root: true }
|
|
)
|
|
}
|
|
|
|
if (status === 'CONFIRMED') {
|
|
console.log(`Job ${id} has enough confirmations`)
|
|
resolve(txHash)
|
|
} else {
|
|
setTimeout(() => getConfirmations({ id, netId, type, noticeId, retryAttempt, noticeCalls }), 3000)
|
|
}
|
|
},
|
|
finishJobWatcher({ state, rootGetters, commit, dispatch, getters, rootState }, { id, netId, type }) {
|
|
const timerId = setTimeout(() => {
|
|
const { txHash, confirmations } = state.jobs[`netId${netId}`][type][id]
|
|
commit('UPDATE_JOB', {
|
|
id,
|
|
netId,
|
|
type,
|
|
txHash,
|
|
confirmations,
|
|
status: 'FAILED',
|
|
failedReason: this.app.i18n.t('relayerIsNotResponding')
|
|
})
|
|
commit('DELETE_JOB_WATCHER', { id })
|
|
}, 15 * 60 * 1000)
|
|
commit('ADD_JOB_WATCHER', { id, timerId })
|
|
},
|
|
stopFinishJobWatcher({ state, rootGetters, commit, dispatch, getters, rootState }, { id }) {
|
|
console.log(`Stop finishJobWatcher ${id}`)
|
|
const { timerId } = state.jobWatchers[id]
|
|
clearTimeout(timerId)
|
|
commit('DELETE_JOB_WATCHER', { id })
|
|
},
|
|
runAllJobs({ state, commit, dispatch, rootState }) {
|
|
const netId = rootState.metamask.netId
|
|
const jobs = state.jobs[`netId${netId}`]
|
|
|
|
for (const type in jobs) {
|
|
for (const [id, { status }] of Object.entries(jobs[type])) {
|
|
const job = { id, netId, type }
|
|
if (status === 'FAILED') {
|
|
commit('DELETE_JOB', job)
|
|
} else {
|
|
dispatch('runJobWatcherWithNotifications', job)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|