Remove InfuraController

app/scripts/controllers/infura.js

@@ -1,42 +0,0 @@
-import { ObservableStore } from '@metamask/obs-store'
-const extend = require('xtend')
-const log = require('loglevel')
-
-// every ten minutes
-const POLLING_INTERVAL = 10 * 60 * 1000
-
-class InfuraController {
-
-  constructor (opts = {}) {
-    const initState = extend({
-      infuraNetworkStatus: {},
-    }, opts.initState)
-    this.store = new ObservableStore(initState)
-  }
-
-  //
-  // PUBLIC METHODS
-  //
-
-  // Responsible for retrieving the status of Infura's nodes. Can return either
-  // ok, degraded, or down.
-  async checkInfuraNetworkStatus () {
-    const response = await fetch('https://api.infura.io/v1/status/metamask')
-    const parsedResponse = await response.json()
-    this.store.updateState({
-      infuraNetworkStatus: parsedResponse,
-    })
-    return parsedResponse
-  }
-
-  scheduleInfuraNetworkCheck () {
-    if (this.conversionInterval) {
-      clearInterval(this.conversionInterval)
-    }
-    this.conversionInterval = setInterval(() => {
-      this.checkInfuraNetworkStatus().catch(log.warn)
-    }, POLLING_INTERVAL)
-  }
-}
-
-module.exports = InfuraController

app/scripts/metamask-controller.js

@@ -25,7 +25,6 @@ const CurrencyController = require('./controllers/currency')
 const NoticeController = require('./notice-controller')
 const ShapeShiftController = require('./controllers/shapeshift')
 const AddressBookController = require('./controllers/address-book')
-const InfuraController = require('./controllers/infura')
 const CachedBalancesController = require('./controllers/cached-balances')
 const RecentBlocksController = require('./controllers/recent-blocks')
 import MessageManager from './lib/message-manager'
@@ -120,12 +119,6 @@ module.exports = class MetamaskController extends EventEmitter {
     this.currencyController.updateConversionRate()
     this.currencyController.scheduleConversionInterval()
 
-    // infura controller
-    this.infuraController = new InfuraController({
-      initState: initState.InfuraController,
-    })
-    this.infuraController.scheduleInfuraNetworkCheck()
-
     this.phishingController = new PhishingController()
 
     // rpc provider
@@ -304,7 +297,6 @@ module.exports = class MetamaskController extends EventEmitter {
       NoticeController: this.noticeController.store,
       ShapeShiftController: this.shapeshiftController.store,
       NetworkController: this.networkController.store,
-      InfuraController: this.infuraController.store,
       CachedBalancesController: this.cachedBalancesController.store,
       PermissionsController: this.permissionsController.permissions,
       PermissionsMetadata: this.permissionsController.store,
@@ -329,7 +321,6 @@ module.exports = class MetamaskController extends EventEmitter {
       CurrencyController: this.currencyController.store,
       NoticeController: this.noticeController.memStore,
       ShapeshiftController: this.shapeshiftController.store,
-      InfuraController: this.infuraController.store,
       PermissionsController: this.permissionsController.permissions,
       PermissionsMetadata: this.permissionsController.store,
     })

test/unit/app/controllers/infura-controller-test.js

@@ -1,62 +0,0 @@
-const assert = require('assert')
-const sinon = require('sinon')
-const InfuraController = require('../../../../app/scripts/controllers/infura')
-
-describe('infura-controller', function () {
-  let infuraController, sandbox, networkStatus
-  const response = {'mainnet': 'degraded', 'ropsten': 'ok', 'kovan': 'ok', 'rinkeby': 'down'}
-
-  before(async function () {
-    infuraController = new InfuraController()
-    sandbox = sinon.createSandbox()
-    sinon.stub(infuraController, 'checkInfuraNetworkStatus').resolves(response)
-    networkStatus = await infuraController.checkInfuraNetworkStatus()
-  })
-
-  after(function () {
-    sandbox.restore()
-  })
-
-  describe('Network status queries', function () {
-
-    describe('Mainnet', function () {
-      it('should have Mainnet', function () {
-        assert.equal(Object.keys(networkStatus)[0], 'mainnet')
-      })
-
-      it('should have a value for Mainnet status', function () {
-        assert.equal(networkStatus.mainnet, 'degraded')
-      })
-    })
-
-    describe('Ropsten', function () {
-      it('should have Ropsten', function () {
-        assert.equal(Object.keys(networkStatus)[1], 'ropsten')
-      })
-
-      it('should have a value for Ropsten status', function () {
-        assert.equal(networkStatus.ropsten, 'ok')
-      })
-    })
-
-    describe('Kovan', function () {
-      it('should have Kovan', function () {
-        assert.equal(Object.keys(networkStatus)[2], 'kovan')
-      })
-
-      it('should have a value for Kovan status', function () {
-        assert.equal(networkStatus.kovan, 'ok')
-      })
-    })
-
-    describe('Rinkeby', function () {
-      it('should have Rinkeby', function () {
-        assert.equal(Object.keys(networkStatus)[3], 'rinkeby')
-      })
-
-      it('should have a value for Rinkeby status', function () {
-        assert.equal(networkStatus.rinkeby, 'down')
-      })
-    })
-  })
-})