Fix linting warnings

app/scripts/background.js

@@ -43,8 +43,8 @@ asyncQ.waterfall([
 
 function loadStateFromPersistence () {
   // migrations
-  let migrator = new Migrator({ migrations })
-  let initialState = migrator.generateInitialState(firstTimeState)
+  const migrator = new Migrator({ migrations })
+  const initialState = migrator.generateInitialState(firstTimeState)
   return asyncQ.waterfall([
     // read from disk
     () => Promise.resolve(diskStore.getState() || initialState),
@@ -61,7 +61,6 @@ function loadStateFromPersistence() {
 }
 
 function setupController (initState) {
-
   //
   // MetaMask Controller
   //
@@ -86,7 +85,7 @@ function setupController (initState) {
   )
 
   function versionifyData (state) {
-    let versionedData = diskStore.getState()
+    const versionedData = diskStore.getState()
     versionedData.data = state
     return versionedData
   }
@@ -138,7 +137,6 @@ function setupController (initState) {
   }
 
   return Promise.resolve()
-
 }
 
 //

app/scripts/controllers/address-book.js

@@ -39,11 +39,11 @@ class AddressBookController {
   // pushed object is an object of two fields. Current behavior does not set an
   // upper limit to the number of addresses.
   _addToAddressBook (address, name) {
-    let addressBook = this._getAddressBook()
-    let identities = this._getIdentities()
+    const addressBook = this._getAddressBook()
+    const identities = this._getIdentities()
 
-    let addressBookIndex = addressBook.findIndex((element) => { return element.address.toLowerCase() === address.toLowerCase() || element.name === name })
-    let identitiesIndex = Object.keys(identities).findIndex((element) => { return element.toLowerCase() === address.toLowerCase() })
+    const addressBookIndex = addressBook.findIndex((element) => { return element.address.toLowerCase() === address.toLowerCase() || element.name === name })
+    const identitiesIndex = Object.keys(identities).findIndex((element) => { return element.toLowerCase() === address.toLowerCase() })
     // trigger this condition if we own this address--no need to overwrite.
     if (identitiesIndex !== -1) {
       return Promise.resolve(addressBook)

app/scripts/controllers/currency.js

@@ -51,9 +51,11 @@ class CurrencyController {
       this.setConversionRate(Number(parsedResponse.ticker.price))
       this.setConversionDate(Number(parsedResponse.timestamp))
     }).catch((err) => {
+      if (err) {
         console.warn('MetaMask - Failed to query currency conversion.')
         this.setConversionRate(0)
         this.setConversionDate('N/A')
+      }
     })
   }
 

app/scripts/controllers/preferences.js

@@ -36,8 +36,8 @@ class PreferencesController {
   }
 
   addToFrequentRpcList (_url) {
-    let rpcList = this.getFrequentRpcList()
-    let index = rpcList.findIndex((element) => { return element === _url })
+    const rpcList = this.getFrequentRpcList()
+    const index = rpcList.findIndex((element) => { return element === _url })
     if (index !== -1) {
       rpcList.splice(index, 1)
     }
@@ -53,13 +53,9 @@ class PreferencesController {
   getFrequentRpcList () {
     return this.store.getState().frequentRpcList
   }
-
   //
   // PRIVATE METHODS
   //
-
-
-
 }
 
 module.exports = PreferencesController

app/scripts/keyring-controller.js

@@ -187,7 +187,7 @@ class KeyringController extends EventEmitter {
     .then((accounts) => {
       switch (type) {
         case 'Simple Key Pair':
-          let isNotIncluded = !accounts.find((key) => key === newAccount[0] || key === ethUtil.stripHexPrefix(newAccount[0]))
+          const isNotIncluded = !accounts.find((key) => key === newAccount[0] || key === ethUtil.stripHexPrefix(newAccount[0]))
           return (isNotIncluded) ? Promise.resolve(newAccount) : Promise.reject(new Error('The account you\'re are trying to import is a duplicate'))
         default:
           return Promise.resolve(newAccount)

app/scripts/lib/inpage-provider.js

@@ -85,7 +85,7 @@ MetamaskInpageProvider.prototype.send = function (payload) {
       break
 
     case 'net_version':
-      let networkVersion = self.publicConfigStore.getState().networkVersion
+      const networkVersion = self.publicConfigStore.getState().networkVersion
       result = networkVersion
       break
 

app/scripts/lib/migrator/index.js

@@ -3,16 +3,16 @@ const asyncQ = require('async-q')
 class Migrator {
 
   constructor (opts = {}) {
-    let migrations = opts.migrations || []
+    const migrations = opts.migrations || []
     this.migrations = migrations.sort((a, b) => a.version - b.version)
-    let lastMigration = this.migrations.slice(-1)[0]
+    const lastMigration = this.migrations.slice(-1)[0]
     // use specified defaultVersion or highest migration version
     this.defaultVersion = opts.defaultVersion || (lastMigration && lastMigration.version) || 0
   }
 
   // run all pending migrations on meta in place
   migrateData (versionedData = this.generateInitialState()) {
-    let remaining = this.migrations.filter(migrationIsPending)
+    const remaining = this.migrations.filter(migrationIsPending)
 
     return (
       asyncQ.eachSeries(remaining, (migration) => this.runMigration(versionedData, migration))

app/scripts/lib/tx-utils.js

@@ -75,8 +75,8 @@ module.exports = class txProviderUtils {
   }
 
   fillInTxParams (txParams, cb) {
-    let fromAddress = txParams.from
-    let reqs = {}
+    const fromAddress = txParams.from
+    const reqs = {}
 
     if (isUndef(txParams.gas)) reqs.gas = (cb) => this.query.estimateGas(txParams, cb)
     if (isUndef(txParams.gasPrice)) reqs.gasPrice = (cb) => this.query.gasPrice(cb)

app/scripts/metamask-controller.js

@@ -32,7 +32,7 @@ module.exports = class MetamaskController extends EventEmitter {
   constructor (opts) {
     super()
     this.opts = opts
-    let initState = opts.initState || {}
+    const initState = opts.initState || {}
 
     // platform-specific api
     this.platform = opts.platform
@@ -161,8 +161,7 @@ module.exports = class MetamaskController extends EventEmitter {
   //
 
   initializeProvider () {
-
-    let provider = MetaMaskProvider({
+    const provider = MetaMaskProvider({
       static: {
         eth_syncing: false,
         web3_clientVersion: `MetaMask/v${version}`,
@@ -170,8 +169,8 @@ module.exports = class MetamaskController extends EventEmitter {
       rpcUrl: this.configManager.getCurrentRpcAddress(),
       // account mgmt
       getAccounts: (cb) => {
-        let selectedAddress = this.preferencesController.getSelectedAddress()
-        let result = selectedAddress ? [selectedAddress] : []
+        const selectedAddress = this.preferencesController.getSelectedAddress()
+        const result = selectedAddress ? [selectedAddress] : []
         cb(null, result)
       },
       // tx signing
@@ -441,7 +440,7 @@ module.exports = class MetamaskController extends EventEmitter {
   }
 
   newUnsignedMessage (msgParams, cb) {
-    let msgId = this.messageManager.addUnapprovedMessage(msgParams)
+    const msgId = this.messageManager.addUnapprovedMessage(msgParams)
     this.sendUpdate()
     this.opts.showUnconfirmedMessage()
     this.messageManager.once(`${msgId}:finished`, (data) => {
@@ -461,7 +460,7 @@ module.exports = class MetamaskController extends EventEmitter {
       return cb(new Error('MetaMask Message Signature: from field is required.'))
     }
 
-    let msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
+    const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
     this.sendUpdate()
     this.opts.showUnconfirmedMessage()
     this.personalMessageManager.once(`${msgId}:finished`, (data) => {
@@ -512,7 +511,7 @@ module.exports = class MetamaskController extends EventEmitter {
 
   // Prefixed Style Message Signing Methods:
   approvePersonalMessage (msgParams, cb) {
-    let msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
+    const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
     this.sendUpdate()
     this.opts.showUnconfirmedMessage()
     this.personalMessageManager.once(`${msgId}:finished`, (data) => {

app/scripts/migrations/002.js

@@ -7,7 +7,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       if (versionedData.data.config.provider.type === 'etherscan') {

app/scripts/migrations/003.js

@@ -8,7 +8,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       if (versionedData.data.config.provider.rpcTarget === oldTestRpc) {

app/scripts/migrations/004.js

@@ -6,7 +6,7 @@ module.exports = {
   version,
 
   migrate: function (versionedData) {
-    let safeVersionedData = clone(versionedData)
+    const safeVersionedData = clone(versionedData)
     safeVersionedData.meta.version = version
     try {
       if (safeVersionedData.data.config.provider.type !== 'rpc') return Promise.resolve(safeVersionedData)

app/scripts/migrations/005.js

@@ -14,7 +14,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/006.js

@@ -13,7 +13,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/007.js

@@ -13,7 +13,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/008.js

@@ -13,7 +13,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/009.js

@@ -13,7 +13,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/010.js

@@ -13,7 +13,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/011.js

@@ -12,7 +12,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/012.js

@@ -12,7 +12,7 @@ module.exports = {
   version,
 
   migrate: function (originalVersionedData) {
-    let versionedData = clone(originalVersionedData)
+    const versionedData = clone(originalVersionedData)
     versionedData.meta.version = version
     try {
       const state = versionedData.data

app/scripts/migrations/_multi-keyring.js

@@ -20,10 +20,10 @@ module.exports = {
   migrate: function (versionedData) {
     versionedData.meta.version = version
 
-    let store = new ObservableStore(versionedData.data)
-    let configManager = new ConfigManager({ store })
-    let idStoreMigrator = new IdentityStoreMigrator({ configManager })
-    let keyringController = new KeyringController({
+    const store = new ObservableStore(versionedData.data)
+    const configManager = new ConfigManager({ store })
+    const idStoreMigrator = new IdentityStoreMigrator({ configManager })
+    const keyringController = new KeyringController({
       configManager: configManager,
     })
 
@@ -46,6 +46,5 @@ module.exports = {
         return Promise.resolve(versionedData)
       })
     })
-
   },
 }

app/scripts/popup-core.js

@@ -16,7 +16,6 @@ function initializePopup ({ container, connectionStream }, cb) {
     (cb) => connectToAccountManager(connectionStream, cb),
     (accountManager, cb) => launchMetamaskUi({ container, accountManager }, cb),
   ], cb)
-
 }
 
 function connectToAccountManager (connectionStream, cb) {

app/scripts/transaction-manager.js

@@ -47,8 +47,8 @@ module.exports = class TransactionManager extends EventEmitter {
 
   // Returns the tx list
   getTxList () {
-    let network = this.getNetwork()
-    let fullTxList = this.getFullTxList()
+    const network = this.getNetwork()
+    const fullTxList = this.getFullTxList()
     return fullTxList.filter(txMeta => txMeta.metamaskNetworkId === network)
   }
 
@@ -64,10 +64,10 @@ module.exports = class TransactionManager extends EventEmitter {
 
   // Adds a tx to the txlist
   addTx (txMeta) {
-    let txCount = this.getTxCount()
-    let network = this.getNetwork()
-    let fullTxList = this.getFullTxList()
-    let txHistoryLimit = this.txHistoryLimit
+    const txCount = this.getTxCount()
+    const network = this.getNetwork()
+    const fullTxList = this.getFullTxList()
+    const txHistoryLimit = this.txHistoryLimit
 
     // checks if the length of the tx history is
     // longer then desired persistence limit
@@ -197,7 +197,7 @@ module.exports = class TransactionManager extends EventEmitter {
   }
 
   fillInTxParams (txId, cb) {
-    let txMeta = this.getTx(txId)
+    const txMeta = this.getTx(txId)
     this.txProviderUtils.fillInTxParams(txMeta.txParams, (err) => {
       if (err) return cb(err)
       this.updateTx(txMeta)
@@ -242,7 +242,7 @@ module.exports = class TransactionManager extends EventEmitter {
   // receives a txHash records the tx as signed
   setTxHash (txId, txHash) {
     // Add the tx hash to the persisted meta-tx object
-    let txMeta = this.getTx(txId)
+    const txMeta = this.getTx(txId)
     txMeta.hash = txHash
     this.updateTx(txMeta)
   }
@@ -315,7 +315,7 @@ module.exports = class TransactionManager extends EventEmitter {
   }
 
   setTxStatusFailed (txId, reason) {
-    let txMeta = this.getTx(txId)
+    const txMeta = this.getTx(txId)
     txMeta.err = reason
     this.updateTx(txMeta)
     this._setTxStatus(txId, 'failed')
@@ -338,7 +338,7 @@ module.exports = class TransactionManager extends EventEmitter {
       var txHash = txMeta.hash
       var txId = txMeta.id
       if (!txHash) {
-        let errReason = {
+        const errReason = {
           errCode: 'No hash was provided',
           message: 'We had an error while submitting this transaction, please try again.',
         }

ui/app/app.js

@@ -552,5 +552,4 @@ App.prototype.renderCommonRpc = function (rpcList, provider) {
       })
     }
   })
-
 }

ui/app/components/ens-input.js

@@ -24,7 +24,7 @@ EnsInput.prototype.render = function () {
     list: 'addresses',
     onChange: () => {
       const network = this.props.network
-      let resolverAddress = networkResolvers[network]
+      const resolverAddress = networkResolvers[network]
       if (!resolverAddress) return
 
       const recipient = document.querySelector('input[name="address"]').value
@@ -52,7 +52,7 @@ EnsInput.prototype.render = function () {
       [
         // Corresponds to the addresses owned.
         Object.keys(props.identities).map((key) => {
-          let identity = props.identities[key]
+          const identity = props.identities[key]
           return h('option', {
             value: identity.address,
             label: identity.name,
@@ -72,7 +72,7 @@ EnsInput.prototype.render = function () {
 
 EnsInput.prototype.componentDidMount = function () {
   const network = this.props.network
-  let resolverAddress = networkResolvers[network]
+  const resolverAddress = networkResolvers[network]
 
   if (resolverAddress) {
     const provider = web3.currentProvider

ui/app/components/notice.js

@@ -115,8 +115,9 @@ Notice.prototype.render = function () {
 Notice.prototype.componentDidMount = function () {
   var node = findDOMNode(this)
   linker.setupListener(node)
-  if (document.getElementsByClassName('notice-box')[0].clientHeight < 310) { this.setState({disclaimerDisabled: false}) }
-
+  if (document.getElementsByClassName('notice-box')[0].clientHeight < 310) {
+    this.setState({disclaimerDisabled: false})
+  }
 }
 
 Notice.prototype.componentWillUnmount = function () {

ui/app/components/transaction-list-item.js

@@ -134,7 +134,6 @@ function failIfFailed (transaction) {
     return h('span.error', ' (Rejected)')
   }
   if (transaction.err) {
-
     return h(Tooltip, {
       title: transaction.err.message,
       position: 'bottom',
@@ -142,5 +141,4 @@ function failIfFailed (transaction) {
       h('span.error', ' (Failed)'),
     ])
   }
-
 }

ui/app/conf-tx.js

@@ -125,14 +125,12 @@ function currentTxView (opts) {
   if (txParams) {
     log.debug('txParams detected, rendering pending tx')
     return h(PendingTx, opts)
-
   } else if (msgParams) {
     log.debug('msgParams detected, rendering pending msg')
 
     if (type === 'eth_sign') {
       log.debug('rendering eth_sign message')
       return h(PendingMsg, opts)
-
     } else if (type === 'personal_sign') {
       log.debug('rendering personal_sign message')
       return h(PendingPersonalMsg, opts)