Maintain token prices using a background service

1 files changed, 7 insertions, 0 deletions

diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index fa7890c50..750a97b86 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -34,6 +34,7 @@ const PersonalMessageManager = require('./lib/personal-message-manager')
 const TypedMessageManager = require('./lib/typed-message-manager')
 const TransactionController = require('./controllers/transactions')
 const BalancesController = require('./controllers/computed-balances')
+const TokenRatesController = require('./controllers/token-rates')
 const ConfigManager = require('./lib/config-manager')
 const nodeify = require('./lib/nodeify')
 const accountImporter = require('./account-import-strategies')
@@ -104,6 +105,11 @@ module.exports = class MetamaskController extends EventEmitter {
     this.provider = this.initializeProvider()
     this.blockTracker = this.provider._blockTracker
 
+    // token exchange rate tracker
+    this.tokenRatesController = new TokenRatesController({
+      preferences: this.preferencesController.store,
+    })
+
     this.recentBlocksController = new RecentBlocksController({
       blockTracker: this.blockTracker,
       provider: this.provider,
@@ -201,6 +207,7 @@ module.exports = class MetamaskController extends EventEmitter {
       AccountTracker: this.accountTracker.store,
       TxController: this.txController.memStore,
       BalancesController: this.balancesController.store,
+      TokenRatesController: this.tokenRatesController.store,
       MessageManager: this.messageManager.memStore,
       PersonalMessageManager: this.personalMessageManager.memStore,
       TypesMessageManager: this.typedMessageManager.memStore,