Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.
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blockscout/apps/block_scout_web/assets/js/pages/stakes.js

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18 KiB

import '../../css/stakes.scss'
import $ from 'jquery'
import _ from 'lodash'
import { subscribeChannel } from '../socket'
import { connectElements } from '../lib/redux_helpers.js'
import { createAsyncLoadStore, refreshPage } from '../lib/async_listing_load'
import { showHideDisconnectButton } from '../lib/smart_contract/common_helpers'
import { connectToProvider, disconnect, fetchAccountData, web3ModalInit } from '../lib/smart_contract/connect'
import Queue from '../lib/queue'
import Web3 from 'web3'
import { openPoolInfoModal } from './stakes/validator_info'
import { openDelegatorsListModal } from './stakes/delegators_list'
import { openBecomeCandidateModal, becomeCandidateConnectionLost } from './stakes/become_candidate'
import { openRemovePoolModal } from './stakes/remove_pool'
import { openMakeStakeModal } from './stakes/make_stake'
import { openMoveStakeModal } from './stakes/move_stake'
import { openWithdrawStakeModal } from './stakes/withdraw_stake'
import { openClaimRewardModal, claimRewardConnectionLost } from './stakes/claim_reward'
import { openClaimWithdrawalModal } from './stakes/claim_withdrawal'
import { checkForTokenDefinition, isSupportedNetwork } from './stakes/utils'
import { currentModal, openWarningModal, openErrorModal } from '../lib/modals'
import constants from './stakes/constants'
const stakesPageSelector = '[data-page="stakes"]'
let provider = null
if (localStorage.getItem('stakes-alert-read') === 'true') {
$('.js-stakes-welcome-alert').hide()
} else {
$('.js-stakes-welcome-alert').show()
}
if (localStorage.getItem('stakes-warning-read') === 'true') {
$('.js-stakes-warning-alert').hide()
} else {
$('.js-stakes-warning-alert').show()
}
export const initialState = {
account: null,
blockRewardContract: null,
channel: null,
currentBlockNumber: 0, // current block number
finishRequestResolve: null,
lastEpochNumber: 0,
loading: true,
network: null,
refreshBlockNumber: 0, // last page refresh block number
refreshInterval: null,
refreshPageFunc: refreshPageWrapper,
stakingAllowed: false,
stakingTokenDefined: false,
stakingContract: null,
tokenContract: null,
tokenDecimals: 0,
tokenSymbol: '',
validatorSetApplyBlock: 0,
validatorSetContract: null,
web3: null,
stakingErrorShown: false
}
// 100 - id of xDai network, 101 - id of xDai test network
export const allowedNetworkIds = [100, 101]
export function reducer (state = initialState, action) {
switch (action.type) {
case 'PAGE_LOAD':
case 'ELEMENTS_LOAD': {
return Object.assign({}, state, _.omit(action, 'type'))
}
case 'CHANNEL_CONNECTED': {
return Object.assign({}, state, { channel: action.channel })
}
case 'WEB3_DETECTED': {
return Object.assign({}, state, { web3: action.web3 })
}
case 'ACCOUNT_UPDATED': {
return Object.assign({}, state, {
account: action.account,
additionalParams: Object.assign({}, state.additionalParams, {
account: action.account
})
})
}
case 'BLOCK_CREATED': {
return Object.assign({}, state, {
currentBlockNumber: action.currentBlockNumber
})
}
case 'NETWORK_UPDATED': {
return Object.assign({}, state, {
network: action.network,
additionalParams: Object.assign({}, state.additionalParams, {
network: action.network
})
})
}
case 'FILTERS_UPDATED': {
return Object.assign({}, state, {
additionalParams: Object.assign({}, state.additionalParams, {
filterBanned: 'filterBanned' in action ? action.filterBanned : state.additionalParams.filterBanned,
filterMy: 'filterMy' in action ? action.filterMy : state.additionalParams.filterMy
})
})
}
case 'PAGE_REFRESHED': {
return Object.assign({}, state, {
refreshBlockNumber: action.refreshBlockNumber,
finishRequestResolve: action.finishRequestResolve
})
}
case 'RECEIVED_UPDATE': {
return Object.assign({}, state, {
lastEpochNumber: action.lastEpochNumber,
stakingAllowed: action.stakingAllowed,
stakingTokenDefined: action.stakingTokenDefined,
validatorSetApplyBlock: action.validatorSetApplyBlock
})
}
case 'RECEIVED_CONTRACTS': {
return Object.assign({}, state, {
stakingContract: action.stakingContract,
blockRewardContract: action.blockRewardContract,
validatorSetContract: action.validatorSetContract,
tokenContract: action.tokenContract,
tokenDecimals: action.tokenDecimals,
tokenSymbol: action.tokenSymbol
})
}
case 'FINISH_REQUEST': {
$(stakesPageSelector).fadeTo(0, 1)
if (state.finishRequestResolve) {
state.finishRequestResolve()
return Object.assign({}, state, {
finishRequestResolve: null
})
}
return state
}
case 'UNHEALTHY_APP_ERROR_SHOWN': {
return Object.assign({}, state, {
stakingErrorShown: true
})
}
default:
return state
}
}
const elements = {
'[data-page="stakes"]': {
load ($el) {
return {
refreshInterval: $el.data('refresh-interval') || null,
additionalParams: {
filterBanned: $el.find('[pool-filter-banned]').prop('checked'),
filterMy: $el.find('[pool-filter-my]').prop('checked')
}
}
}
}
}
const $stakesPage = $(stakesPageSelector)
const $stakesTop = $('[data-selector="stakes-top"]')
const $refreshInformer = $('.refresh-informer', $stakesPage)
const observer = new MutationObserver(function (mutationsList) {
mutationsList.forEach(function (mutation) {
mutation.addedNodes.forEach(function (addedNode) {
if (addedNode.className === 'stakes-top') {
showHideDisconnectButton()
}
})
})
})
if ($stakesPage.length) {
const store = createAsyncLoadStore(reducer, initialState, 'dataset.identifierPool')
connectElements({ store, elements })
const channel = subscribeChannel('stakes:staking_update')
store.dispatch({ type: 'CHANNEL_CONNECTED', channel })
let updating = false
async function onStakingUpdate (msg) { // eslint-disable-line no-inner-declarations
const state = store.getState()
if (state.finishRequestResolve || updating) {
return
}
updating = true
store.dispatch({ type: 'BLOCK_CREATED', currentBlockNumber: msg.block_number })
// hide tooltip on tooltip triggering element reloading
// due to issues with bootstrap tooltips https://github.com/twbs/bootstrap/issues/13133
const stakesTopTooltipID = $('[aria-describedby]', $stakesTop).attr('aria-describedby')
$('#' + stakesTopTooltipID).hide()
$stakesTop.html(msg.top_html)
if (accountChanged(msg.account, state)) {
store.dispatch({ type: 'ACCOUNT_UPDATED', account: msg.account })
resetFilterMy(store)
}
if (
msg.staking_allowed !== state.stakingAllowed ||
msg.epoch_number > state.lastEpochNumber ||
msg.validator_set_apply_block !== state.validatorSetApplyBlock ||
(state.refreshInterval && msg.block_number >= state.refreshBlockNumber + state.refreshInterval) ||
accountChanged(msg.account, state) ||
msg.by_set_account
) {
await reloadPoolList(msg, store)
}
const refreshBlockNumber = store.getState().refreshBlockNumber
const refreshGap = msg.block_number - refreshBlockNumber
$refreshInformer.find('span').html(refreshGap)
if (refreshGap > 0 && refreshBlockNumber > 0) {
$refreshInformer.show()
} else {
$refreshInformer.hide()
}
const $refreshInformerLink = $refreshInformer.find('a')
$refreshInformerLink.off('click')
$refreshInformerLink.on('click', async (event) => {
event.preventDefault()
if (!store.getState().finishRequestResolve) {
$refreshInformer.hide()
$stakesPage.fadeTo(0, 0.5)
await reloadPoolList(msg, store)
}
})
if (msg.epoch_end_block === 0 && !state.stakingErrorShown) {
openErrorModal('Staking DApp is currently unavailable', 'Not all functions are active at the moment. Please try again later.')
store.dispatch({ type: 'UNHEALTHY_APP_ERROR_SHOWN' })
}
updating = false
}
const messagesQueue = new Queue()
setTimeout(async () => {
while (true) {
const msg = messagesQueue.dequeue()
if (msg) {
// Synchronously handle the message
await onStakingUpdate(msg)
} else {
// Wait for the next message
await new Promise(resolve => setTimeout(resolve, 10))
}
}
}, 0)
channel.on('staking_update', msg => {
messagesQueue.enqueue(msg)
})
channel.on('contracts', msg => {
const web3 = store.getState().web3
const stakingContract =
new web3.eth.Contract(msg.staking_contract.abi, msg.staking_contract.address)
const blockRewardContract =
new web3.eth.Contract(msg.block_reward_contract.abi, msg.block_reward_contract.address)
const validatorSetContract =
new web3.eth.Contract(msg.validator_set_contract.abi, msg.validator_set_contract.address)
const tokenContract =
new web3.eth.Contract(msg.token_contract.abi, msg.token_contract.address)
store.dispatch({
type: 'RECEIVED_CONTRACTS',
stakingContract,
blockRewardContract,
validatorSetContract,
tokenContract,
tokenDecimals: parseInt(msg.token_decimals, 10),
tokenSymbol: msg.token_symbol
})
})
channel.onError(becomeCandidateConnectionLost)
channel.onError(claimRewardConnectionLost)
$(document.body)
.on('click', '.js-pool-info', event => {
if (checkForTokenDefinition(store)) {
openPoolInfoModal(event, store)
}
})
.on('click', '.js-delegators-list', event => {
openDelegatorsListModal(event, store)
})
.on('click', '.js-become-candidate', event => {
if (checkForTokenDefinition(store)) {
openBecomeCandidateModal(event, store)
}
})
.on('click', '.js-remove-pool', () => {
openRemovePoolModal(store)
})
.on('click', '.js-make-stake', event => {
if (checkForTokenDefinition(store)) {
openMakeStakeModal(event, store)
}
})
.on('click', '.js-move-stake', event => {
if (checkForTokenDefinition(store)) {
openMoveStakeModal(event, store)
}
})
.on('click', '.js-withdraw-stake', event => {
if (checkForTokenDefinition(store)) {
openWithdrawStakeModal(event, store)
}
})
.on('click', '.js-claim-reward', event => {
if (checkForTokenDefinition(store)) {
openClaimRewardModal(event, store)
}
})
.on('click', '.js-claim-withdrawal', event => {
if (checkForTokenDefinition(store)) {
openClaimWithdrawalModal(event, store)
}
})
.on('click', '.js-stakes-btn-close-welcome-alert', event => {
$(event.target).closest('section.container').hide()
localStorage.setItem('stakes-alert-read', 'true')
})
.on('click', '.js-stakes-btn-close-warning', event => {
$(event.target).closest('section.container').hide()
localStorage.setItem('stakes-warning-read', 'true')
})
$stakesPage
.on('change', '[pool-filter-banned]', () => updateFilters(store, 'banned'))
.on('change', '[pool-filter-my]', () => updateFilters(store, 'my'))
web3ModalInit(connectToWallet, store)
$stakesTop.on('click', '[data-selector="login-button"]', async (_event) => {
login(store)
})
$stakesTop.on('click', '[disconnect-wallet]', async (_event) => {
disconnectWalletFromStakingDapp(store)
})
observer.observe(document.querySelector('[data-selector="stakes-top"]'), { subtree: false, childList: true })
}
function accountChanged (account, state) {
return account !== state.account
}
async function getAccounts () {
let accounts = []
try {
accounts = await window.ethereum.request({ method: 'eth_accounts' })
} catch (e) {
console.error(`eth_accounts request failed. ${constants.METAMASK_VERSION_WARNING}`)
openErrorModal('Get account', `Cannot get your account address. ${constants.METAMASK_VERSION_WARNING}`)
}
return accounts
}
async function getNetId (web3) {
let netId = window.ethereum.chainId
if (!netId) {
netId = await window.ethereum.request({ method: 'eth_chainId' })
}
if (!netId) {
console.error(`Cannot get chainId. ${constants.METAMASK_VERSION_WARNING}`)
} else {
netId = web3.utils.isHex(netId) ? web3.utils.hexToNumber(netId) : netId
}
return netId
}
function hideCurrentModal () {
const $modal = currentModal()
if ($modal) $modal.modal('hide')
}
async function disconnectWalletFromStakingDapp (store) {
await disconnect()
provider = null
if (accountChanged(null, store.getState())) {
await setAccount(null, store)
}
}
async function connectToWallet (store) {
provider = await connectToProvider()
provider.on('chainChanged', async (chainId) => {
const newNetId = web3.utils.isHex(chainId) ? web3.utils.hexToNumber(chainId) : chainId
setNetwork(newNetId, store, true)
})
provider.on('accountsChanged', async (accs) => {
const newAccount = accs && accs.length > 0 ? accs[0].toLowerCase() : null
if (!newAccount) {
await disconnectWalletFromStakingDapp(store)
}
if (accountChanged(newAccount, store.getState())) {
await setAccount(newAccount, store)
}
})
provider.on('disconnect', async () => {
await disconnectWalletFromStakingDapp(store)
})
const web3 = new Web3(provider)
if (provider.autoRefreshOnNetworkChange) {
provider.autoRefreshOnNetworkChange = false
}
store.dispatch({ type: 'WEB3_DETECTED', web3 })
initNetworkAndAccount(store, web3)
await fetchAccountData(setAccount, [store])
}
async function initNetworkAndAccount (store, web3) {
const state = store.getState()
const networkId = await getNetId(web3)
if (!state.network || (networkId !== state.network.id)) {
setNetwork(networkId, store, false)
}
const accounts = await getAccounts()
const account = accounts[0] ? accounts[0].toLowerCase() : null
if (accountChanged(account, state)) {
await setAccount(account, store)
// We don't call `refreshPageWrapper` in this case because it will be called
// by the `onStakingUpdate` function
} else {
await refreshPageWrapper(store)
}
}
async function login (store) {
event.stopPropagation()
event.preventDefault()
connectToWallet(store)
}
async function refreshPageWrapper (store) {
while (store.getState().finishRequestResolve) {
// Don't let anything simultaneously refresh the page
await new Promise(resolve => setTimeout(resolve, 10))
}
let currentBlockNumber = store.getState().currentBlockNumber
if (!currentBlockNumber) {
currentBlockNumber = $('[data-block-number]', $stakesTop).data('blockNumber')
}
await new Promise(resolve => {
store.dispatch({
type: 'PAGE_REFRESHED',
refreshBlockNumber: currentBlockNumber,
finishRequestResolve: resolve
})
$refreshInformer.hide()
refreshPage(store)
})
}
async function reloadPoolList (msg, store) {
store.dispatch({
type: 'RECEIVED_UPDATE',
lastEpochNumber: msg.epoch_number,
stakingAllowed: msg.staking_allowed,
stakingTokenDefined: msg.staking_token_defined,
validatorSetApplyBlock: msg.validator_set_apply_block
})
await refreshPageWrapper(store)
}
function resetFilterMy (store) {
$stakesPage.find('[pool-filter-my]').prop('checked', false)
store.dispatch({ type: 'FILTERS_UPDATED', filterMy: false })
}
function setAccount (account, store) {
return new Promise(resolve => {
store.dispatch({ type: 'ACCOUNT_UPDATED', account })
if (!account) {
resetFilterMy(store)
resolve(true)
}
const errorMsg = 'Cannot properly set account due to connection loss. Please, reload the page.'
const $addressField = $('.stakes-top-stats-item-address .stakes-top-stats-value')
$addressField.html('Loading...')
store.getState().channel.push(
'set_account', account
).receive('ok', () => {
if (account) {
$addressField.html(`
<div data-placement="bottom" data-toggle="tooltip" title="${account}">
${account}
</div>
`)
}
hideCurrentModal()
resolve(true)
}).receive('error', () => {
openErrorModal('Change account', errorMsg, true)
resolve(false)
}).receive('timeout', () => {
openErrorModal('Change account', errorMsg, true)
resolve(false)
})
})
}
function setNetwork (networkId, store, checkSupportedNetwork) {
hideCurrentModal()
const network = {
id: networkId,
authorized: false
}
if (allowedNetworkIds.includes(networkId)) {
network.authorized = true
}
store.dispatch({ type: 'NETWORK_UPDATED', network })
if (checkSupportedNetwork) {
isSupportedNetwork(store)
}
}
function updateFilters (store, filterType) {
const filterBanned = $stakesPage.find('[pool-filter-banned]')
const filterMy = $stakesPage.find('[pool-filter-my]')
const state = store.getState()
if (state.finishRequestResolve) {
if (filterType === 'my') {
filterMy.prop('checked', !filterMy.prop('checked'))
} else {
filterBanned.prop('checked', !filterBanned.prop('checked'))
}
openWarningModal('Still loading', 'The previous request to load pool list is not yet finished. Please, wait...')
return
}
if (filterType === 'my' && !state.account) {
filterMy.prop('checked', false)
openWarningModal('Unauthorized', constants.METAMASK_PLEASE_LOGIN)
return
}
store.dispatch({
type: 'FILTERS_UPDATED',
filterBanned: filterBanned.prop('checked'),
filterMy: filterMy.prop('checked')
})
refreshPageWrapper(store)
}