Removes transition btc->bat code

Resolves brave#12712

Auditors:

Test Plan:

Author: NejcZdovc

app/browser/api/ledger.js

@@ -26,7 +26,6 @@ const appActions = require('../../../js/actions/appActions')
 // State
 const ledgerState = require('../../common/state/ledgerState')
 const pageDataState = require('../../common/state/pageDataState')
-const migrationState = require('../../common/state/migrationState')
 const updateState = require('../../common/state/updateState')
 
 // Constants
@@ -85,7 +84,6 @@ let verifiedTimeoutId = false
 let v2RulesetDB
 const v2RulesetPath = 'ledger-rulesV2.leveldb'
 const statePath = 'ledger-state.json'
-const newClientPath = 'ledger-newstate.json'
 
 // Definitions
 const clientOptions = {
@@ -1223,8 +1221,6 @@ const checkPromotions = () => {
 
 const enable = (state, paymentsEnabled) => {
   if (paymentsEnabled) {
-    state = checkBtcBatMigrated(state, paymentsEnabled)
-
     if (!getSetting(settings.PAYMENTS_NOTIFICATION_TRY_PAYMENTS_DISMISSED)) {
       appActions.changeSetting(settings.PAYMENTS_NOTIFICATION_TRY_PAYMENTS_DISMISSED, true)
     }
@@ -1912,19 +1908,6 @@ const onCallback = (state, result, delayTime) => {
   // persist the new ledger state
   muonWriter(statePath, regularResults)
 
-  // delete the temp file used during transition (if it still exists)
-  if (client && client.options && client.options.version === 'v2') {
-    const fs = require('fs')
-    fs.access(pathName(newClientPath), fs.FF_OK, (err) => {
-      if (err) {
-        return
-      }
-      fs.unlink(pathName(newClientPath), (err) => {
-        if (err) console.error('unlink error: ' + err.toString())
-      })
-    })
-  }
-
   run(state, delayTime)
 
   return state
@@ -2016,7 +1999,6 @@ const initialize = (state, paymentsEnabled) => {
 
   if (!paymentsEnabled) {
     client = null
-    newClient = false
     return ledgerState.resetInfo(state, true)
   }
 
@@ -2390,147 +2372,6 @@ const deleteSynopsis = () => {
   synopsis.publishers = {}
 }
 
-// fix for incorrectly persisted state (see #11585)
-const yoDawg = (stateState) => {
-  while (stateState.hasOwnProperty('state') && stateState.state.persona) {
-    stateState = stateState.state
-  }
-  return stateState
-}
-
-const checkBtcBatMigrated = (state, paymentsEnabled) => {
-  if (!paymentsEnabled) {
-    return state
-  }
-
-  // One time conversion of wallet
-  const isNewInstall = migrationState.isNewInstall(state)
-  const hasUpgradedWallet = migrationState.hasUpgradedWallet(state)
-  if (!isNewInstall && !hasUpgradedWallet) {
-    state = migrationState.setTransitionStatus(state, true)
-    module.exports.transitionWalletToBat()
-  } else {
-    state = migrationState.setTransitionStatus(state, false)
-  }
-
-  return state
-}
-
-let newClient = null
-const getNewClient = () => {
-  return newClient
-}
-
-let busyRetryCount = 0
-
-const transitionWalletToBat = () => {
-  let newPaymentId, result
-
-  if (newClient === true) return
-  clientprep()
-
-  if (!client) {
-    console.log('Client is not initialized, will try again')
-    return
-  }
-
-  // only attempt this transition if the wallet is v1
-  if (client.options && client.options.version !== 'v1') {
-    // older versions incorrectly marked this for transition
-    // this will clean them up (no more bouncy ball)
-    appActions.onBitcoinToBatTransitioned()
-    return
-  }
-
-  // Restore newClient from the file (if one exists)
-  if (!newClient) {
-    const fs = require('fs')
-    try {
-      fs.accessSync(pathName(newClientPath), fs.FF_OK)
-      fs.readFile(pathName(newClientPath), (error, data) => {
-        if (error) {
-          console.error(`ledger client: can't read ${newClientPath} to restore newClient`)
-          return
-        }
-        const parsedData = JSON.parse(data)
-        const state = yoDawg(parsedData)
-        newClient = ledgerClient(state.personaId,
-          underscore.extend(state.options, {roundtrip: module.exports.roundtrip}, clientOptions),
-          state)
-        transitionWalletToBat()
-      })
-      return
-    } catch (err) {}
-  }
-
-  // Create new client
-  if (!newClient) {
-    try {
-      newClient = ledgerClient(null, underscore.extend({roundtrip: module.exports.roundtrip}, clientOptions), null)
-      muonWriter(newClientPath, newClient.state)
-    } catch (ex) {
-      console.error('ledger client creation error(2): ', ex)
-      return
-    }
-  }
-
-  newPaymentId = newClient.getPaymentId()
-  if (!newPaymentId) {
-    newClient.sync((err, result, delayTime) => {
-      if (err) {
-        return console.error('ledger client error(3): ' + JSON.stringify(err, null, 2) + (err.stack ? ('\n' + err.stack) : ''))
-      }
-
-      if (typeof delayTime === 'undefined') delayTime = random.randomInt({ min: 1, max: 500 })
-
-      if (newClient) {
-        muonWriter(newClientPath, newClient.state)
-      }
-
-      setTimeout(() => transitionWalletToBat(), delayTime)
-    })
-    return
-  }
-
-  if (client.busyP()) {
-    if (++busyRetryCount > 3) {
-      console.log('ledger client is currently busy; transition will be retried on next launch')
-      return
-    }
-    const delayTime = random.randomInt({
-      min: ledgerUtil.milliseconds.minute,
-      max: 10 * ledgerUtil.milliseconds.minute
-    })
-    console.log('ledger client is currently busy; transition will be retried shortly (this was attempt ' + busyRetryCount + ')')
-    setTimeout(() => transitionWalletToBat(), delayTime)
-    return
-  }
-
-  appActions.onBitcoinToBatBeginTransition()
-
-  try {
-    client.transition(newPaymentId, (err, properties) => {
-      if (err || !newClient) {
-        console.error('ledger client transition error: ', err)
-      } else {
-        result = newClient.transitioned(properties)
-        client = newClient
-        newClient = true
-        // NOTE: onLedgerCallback will save latest client to disk as ledger-state.json
-        appActions.onLedgerCallback(result, random.randomInt({
-          min: ledgerUtil.milliseconds.minute,
-          max: 10 * ledgerUtil.milliseconds.minute
-        }))
-        appActions.onBitcoinToBatTransitioned()
-        ledgerNotifications.showBraveWalletUpdated()
-        getPublisherTimestamp()
-      }
-    })
-  } catch (ex) {
-    console.error('exception during ledger client transition: ', ex)
-  }
-}
-
 let currentMediaKey = null
 const onMediaRequest = (state, xhr, type, tabId) => {
   if (!xhr || type == null) {
@@ -2869,13 +2710,10 @@ const getMethods = () => {
     migration,
     onInitRead,
     deleteSynopsis,
-    transitionWalletToBat,
-    getNewClient,
     normalizePinned,
     roundToTarget,
     savePublisherData,
     pruneSynopsis,
-    checkBtcBatMigrated,
     onMediaRequest,
     onMediaPublisher,
     saveVisit,
@@ -2897,7 +2735,6 @@ const getMethods = () => {
     privateMethods = {
       enable,
       addSiteVisit,
-      checkBtcBatMigrated,
       clearVisitsByPublisher: function () {
         visitsByPublisher = {}
       },
@@ -2908,9 +2745,6 @@ const getMethods = () => {
       setSynopsis: (data) => {
         synopsis = data
       },
-      resetNewClient: () => {
-        newClient = false
-      },
       getClient: () => {
         return client
       },

app/browser/api/ledgerNotifications.js

@@ -12,7 +12,6 @@ const settings = require('../../../js/constants/settings')
 
 // State
 const ledgerState = require('../../common/state/ledgerState')
-const migrationState = require('../../common/state/migrationState')
 
 // Actions
 const appActions = require('../../../js/actions/appActions')
@@ -27,8 +26,7 @@ const text = {
   paymentDone: undefined,
   addFunds: locale.translation('addFundsNotification'),
   tryPayments: locale.translation('notificationTryPayments'),
-  reconciliation: locale.translation('reconciliationNotification'),
-  walletConvertedToBat: locale.translation('walletConvertedToBat')
+  reconciliation: locale.translation('reconciliationNotification')
 }
 
 const pollingInterval = 15 * ledgerUtil.milliseconds.minute // 15 * minutes
@@ -76,28 +74,11 @@ const onLaunch = (state) => {
     return state
   }
 
-  const ledger = require('./ledger')
-  state = ledger.checkBtcBatMigrated(state, enabled)
-
   if (hasFunds(state)) {
     // Don't bother processing the rest, which are only
     if (!getSetting(settings.PAYMENTS_NOTIFICATIONS)) {
       return state
     }
-
-    // Show one-time BAT conversion message:
-    // - if payments are enabled
-    // - user has a positive balance
-    // - this is an existing profile (new profiles will have firstRunTimestamp matching batMercuryTimestamp)
-    // - wallet has been transitioned
-    // - notification has not already been shown yet
-    // (see https://github.com/brave/browser-laptop/issues/11021)
-    const isNewInstall = migrationState.isNewInstall(state)
-    const hasUpgradedWallet = migrationState.hasUpgradedWallet(state)
-    const hasBeenNotified = migrationState.hasBeenNotified(state)
-    if (!isNewInstall && hasUpgradedWallet && !hasBeenNotified) {
-      module.exports.showBraveWalletUpdated()
-    }
   }
 
   return state
@@ -181,16 +162,6 @@ const onResponse = (message, buttonIndex, activeWindow) => {
       appActions.changeSetting(settings.PAYMENTS_NOTIFICATION_TRY_PAYMENTS_DISMISSED, true)
       break
 
-    case text.walletConvertedToBat:
-      if (buttonIndex === 0) {
-        // Open backup modal
-        appActions.createTabRequested({
-          url: 'about:preferences#payments?ledgerBackupOverlayVisible',
-          windowId: activeWindow.id
-        })
-      }
-      break
-
     default:
       return
   }
@@ -324,27 +295,6 @@ const showPaymentDone = (transactionContributionFiat) => {
   })
 }
 
-const showBraveWalletUpdated = () => {
-  appActions.onBitcoinToBatNotified()
-
-  appActions.showNotification({
-    position: 'global',
-    greeting: text.hello,
-    message: text.walletConvertedToBat,
-    // Learn More.
-    buttons: [
-      {text: locale.translation('walletConvertedBackup')},
-      {text: locale.translation('walletConvertedDismiss')}
-    ],
-    options: {
-      style: 'greetingStyle',
-      persist: false,
-      advancedLink: 'https://brave.com/faq-payments/#brave-payments',
-      advancedText: locale.translation('walletConvertedLearnMore')
-    }
-  })
-}
-
 const onPromotionReceived = (state) => {
   const promotion = ledgerState.getPromotionNotification(state)
 
@@ -410,7 +360,6 @@ const getMethods = () => {
     showPaymentDone,
     init,
     onLaunch,
-    showBraveWalletUpdated,
     onInterval,
     onPromotionReceived,
     removePromotionNotification,

app/browser/reducers/ledgerReducer.js

@@ -13,7 +13,6 @@ const settings = require('../../../js/constants/settings')
 // State
 const ledgerState = require('../../common/state/ledgerState')
 const pageDataState = require('../../common/state/pageDataState')
-const migrationState = require('../../common/state/migrationState')
 const updateState = require('../../common/state/updateState')
 
 // Utils
@@ -230,10 +229,6 @@ const ledgerReducer = (state, action, immutableAction) => {
     case appConstants.APP_ON_LEDGER_WALLET_CREATE:
       {
         ledgerApi.boot()
-        if (ledgerApi.getNewClient() === null) {
-          state = migrationState.setConversionTimestamp(state, new Date().getTime())
-          state = migrationState.setTransitionStatus(state, false)
-        }
         break
       }
     case appConstants.APP_ON_BOOT_STATE_FILE:
@@ -307,22 +302,6 @@ const ledgerReducer = (state, action, immutableAction) => {
         state = ledgerApi.onInitRead(state, action.parsedData)
         break
       }
-    case appConstants.APP_ON_BTC_TO_BAT_NOTIFIED:
-      {
-        state = migrationState.setNotifiedTimestamp(state, new Date().getTime())
-        break
-      }
-    case appConstants.APP_ON_BTC_TO_BAT_BEGIN_TRANSITION:
-      {
-        state = migrationState.setTransitionStatus(state, true)
-        break
-      }
-    case appConstants.APP_ON_BTC_TO_BAT_TRANSITIONED:
-      {
-        state = migrationState.setConversionTimestamp(state, new Date().getTime())
-        state = migrationState.setTransitionStatus(state, false)
-        break
-      }
     case appConstants.APP_ON_LEDGER_QR_GENERATED:
       {
         state = ledgerState.saveQRCode(state, action.get('currency'), action.get('image'))