From b7f8657ab5c01c70eff3e19afd334f07b6415c34 Mon Sep 17 00:00:00 2001
From: Kevin Serrano <kevin.serrano@consensys.net>
Date: Thu, 22 Jun 2017 12:32:08 -0700
Subject: Add infura network status to our UI state.

---
 app/scripts/controllers/infura.js | 42 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 app/scripts/controllers/infura.js

(limited to 'app/scripts/controllers/infura.js')

diff --git a/app/scripts/controllers/infura.js b/app/scripts/controllers/infura.js
new file mode 100644
index 000000000..e0dad0bc1
--- /dev/null
+++ b/app/scripts/controllers/infura.js
@@ -0,0 +1,42 @@
+const ObservableStore = require('obs-store')
+const extend = require('xtend')
+
+// every ten minutes
+const POLLING_INTERVAL = 300000
+
+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.
+  checkInfuraNetworkStatus () {
+    return fetch('https://api.infura.io/v1/status/metamask')
+      .then(response => response.json())
+      .then((parsedResponse) => {
+        this.store.updateState({
+          infuraNetworkStatus: parsedResponse,
+        })
+      })
+  }
+
+  scheduleInfuraNetworkCheck() {
+    if (this.conversionInterval) {
+      clearInterval(this.conversionInterval)
+    }
+    this.conversionInterval = setInterval(() => {
+      this.checkInfuraNetworkStatus()
+    }, POLLING_INTERVAL)
+  }
+}
+
+module.exports = InfuraController
-- 
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