notify to change selected network

app/routes/application.js

@@ -7,19 +7,55 @@ export default Route.extend({
   beforeModel(transition) {
     const kredits = this.kredits;
 
-    return kredits.setup().then(() => {
-      kredits.get('kredits').preflightChecks().catch((error) => {
-        console.error('Kredits preflight check failed!');
-        console.error(error);
-      });
-      if (kredits.get('accountNeedsUnlock')) {
-        if (confirm('It looks like you have an Ethereum wallet available. Please unlock your account.')) {
-          transition.retry();
+    let selectedNetworkId = window.ethereum.networkVersion;
+    let kreditsNetwork = kredits.getKreditsDeployedNetwork();
+    let kreditsNetworkName;
+
+    switch(kreditsNetwork) {
+      case '1':
+        kreditsNetworkName = "Main";
+        break;
+      case '2':
+        kreditsNetworkName = "Morden Test";
+        break;
+      case '3':
+         kreditsNetworkName = "Ropsten Test";
+        break;
+      case '4':
+         kreditsNetworkName = "Rinkeby Test";
+        break;
+      case '42':
+         kreditsNetworkName = "Kovan Test";
+        break;
+      default:
+        kreditsNetworkName = "Rinkeby Test";
+    }
+
+    if(selectedNetworkId == kreditsNetwork) {
+      return kredits.setup().then(() => {
+        kredits.get('kredits').preflightChecks().catch((error) => {
+          console.error('Kredits preflight check failed!');
+          console.error(error);
+        });
+        if (kredits.get('accountNeedsUnlock')) {
+          if (confirm('It looks like you have an Ethereum wallet available. Please unlock your account.')) {
+            transition.retry();
+          }
         }
+      }).catch((error) => {
+        console.log('Error initializing Kredits', error);
+      });
+    }
+    else {
+      //need to better display this one maybe
+      if(confirm(`Please change to ${kreditsNetworkName} network!`)) {
+        transition.abort();
       }
-    }).catch((error) => {
-      console.log('Error initializing Kredits', error);
-    });
+    }
+
+    window.ethereum.on('networkChanged', function() {
+      transition.retry();
+    })
   },
 
   afterModel() {

app/services/kredits.js

@@ -136,6 +136,10 @@ export default Service.extend({
     });
   },
 
+  getKreditsDeployedNetwork() {
+    return Kredits.availableNetworks();
+  },
+
   setup () {
     return this.getEthProvider().then((providerAndSigner) => {
       let kredits = new Kredits(providerAndSigner.ethProvider, providerAndSigner.ethSigner, {

package-lock.json

@@ -10815,7 +10815,7 @@
         "bs58": "^4.0.1",
         "buffer": "^5.2.1",
         "cids": "~0.5.5",
-        "concat-stream": "github:hugomrdias/concat-stream#feat/smaller",
+        "concat-stream": "github:hugomrdias/concat-stream#057bc7b5d6d8df26c8cf00a3f151b6721a0a8034",
         "debug": "^4.1.0",
         "detect-node": "^2.0.4",
         "end-of-stream": "^1.4.1",
@@ -10837,7 +10837,7 @@
         "multibase": "~0.6.0",
         "multicodec": "~0.5.0",
         "multihashes": "~0.4.14",
-        "ndjson": "github:hugomrdias/ndjson#feat/readable-stream3",
+        "ndjson": "github:hugomrdias/ndjson#4db16da6b42e5b39bf300c3a7cde62abb3fa3a11",
         "once": "^1.4.0",
         "peer-id": "~0.12.2",
         "peer-info": "~0.15.1",