Blockchain status now updates on availability change

app/scripts/background.js

@@ -76,13 +76,20 @@ var providerOpts = {
 var provider = MetaMaskProvider(providerOpts)
 var web3 = new Web3(provider)
 idStore.web3 = web3
-idStore.getNetwork(3)
+idStore.getNetwork()
 
 // log new blocks
 provider.on('block', function(block){
   console.log('BLOCK CHANGED:', '#'+block.number.toString('hex'), '0x'+block.hash.toString('hex'))
+
+  // Check network when restoring connectivity:
+  if (idStore._currentState.network === 'loading') {
+    idStore.getNetwork()
+  }
 })
 
+provider.on('error', idStore.getNetwork.bind(idStore))
+
 var ethStore = new EthStore(provider)
 idStore.setStore(ethStore)
 
@@ -290,13 +297,13 @@ function addUnconfirmedMsg(msgParams, cb){
 function setRpcTarget(rpcTarget){
   configManager.setRpcTarget(rpcTarget)
   chrome.runtime.reload()
-  idStore.getNetwork(3) // 3 retry attempts
+  idStore.getNetwork()
 }
 
 function setProviderType(type) {
   configManager.setProviderType(type)
   chrome.runtime.reload()
-  idStore.getNetwork(3)
+  idStore.getNetwork()
 }
 
 function useEtherscanProvider() {

app/scripts/lib/idStore.js

@@ -130,23 +130,23 @@ IdentityStore.prototype.revealAccount = function(cb) {
   cb(null)
 }
 
-IdentityStore.prototype.getNetwork = function(tries) {
+IdentityStore.prototype.getNetwork = function(err) {
 
-  if (tries === 0) {
+  if (err) {
-    this._currentState.network = 'error'
+    this._currentState.network = 'loading'
     this._didUpdate()
-    return
   }
+
   this.web3.version.getNetwork((err, network) => {
     if (err) {
-      return this.getNetwork(tries - 1, cb)
+      this._currentState.network = 'loading'
+      return this._didUpdate()
     }
+
+    console.log('web3.getNetwork returned ' + network)
     this._currentState.network = network
     this._didUpdate()
   })
-
-  this._currentState.network = 'loading'
-  this._didUpdate()
 }
 
 IdentityStore.prototype.setLocked = function(cb){

package.json

@@ -62,7 +62,7 @@
     "through2": "^2.0.1",
     "vreme": "^3.0.2",
     "web3": "ethereum/web3.js#0.16.0",
-    "web3-provider-engine": "^7.7.0",
+    "web3-provider-engine": "^7.8.1",
     "web3-stream-provider": "^2.0.1",
     "xtend": "^4.0.1"
   },

ui/app/components/network.js

@@ -16,14 +16,12 @@ Network.prototype.render = function() {
   let iconName, hoverText
   const imagePath = "/images/"
 
-  if (networkNumber == undefined || networkNumber == "error") {
+  if (networkNumber ==  'loading') {
-    hoverText = 'No Blockchain Connection'
-    iconName = 'no-connection'
-  } else if (networkNumber ==  'loading') {
     return h('img', {
-      title: 'Contacting network...',
+      title: 'Attempting to connect to blockchain.',
       style: {
         width: '27px',
+        marginRight: '-16px'
       },
       src: 'images/loading.svg',
     })
@@ -39,7 +37,7 @@ Network.prototype.render = function() {
   }
   return (
     h('#network_component.flex-center', {
-      style: {},
+      style: { marginRight: '-16px' },
       title: hoverText,
     },[ h('img',{src: imagePath + iconName + ".jpg", width: '25px'}) ])
   )