Hold on backup page until all copayers made a full backup

index.html

@@ -140,10 +140,11 @@
           <div class="large-12 columns">
             <div class="line-dashed"></div>
             <button class="button primary radius right"
-              ng-click="backupAndOpen()"
+              ng-click="backup()"
+              ng-show="!$root.wallet.publicKeyRing.isBackupReady()"
               ng-disabled="!$root.wallet.publicKeyRing.isComplete()">
               <span ng-show="$root.wallet.publicKeyRing.isComplete()" >
-                Backup keys and continue
+                Backup keys
               </span>
               <span ng-show="!$root.wallet.publicKeyRing.isComplete()" >
                 <span ng-show="$root.wallet.publicKeyRing.totalCopayers - $root.wallet.publicKeyRing.registeredCopayers()>1">
@@ -154,10 +155,12 @@
                 </span>
                 yet to join.
               </span>
-
-
             </button>
-            <!-- <a href="" class="db p10t left" ng-disabled="!$root.wallet.publicKeyRing.isComplete()">Skip Backup</a> -->
+            <button class="button primary radius right"
+              disabled="disabled"
+              ng-show="$root.wallet.publicKeyRing.isBackupReady()">
+              Waiting for copayers to backup
+            </button>
           </div>
         </div>
       </div>

js/controllers/header.js

@@ -87,10 +87,10 @@ angular.module('copayApp.controllers').controller('HeaderController',
       window.onbeforeunload = undefined;
     });
 
-    $scope.backupAndOpen = function() {
+    $scope.backup = function() {
       var w = $rootScope.wallet;
-      w.offerBackup();
       backupService.download(w);
+      w.setBackupReady();
     };
 
     $scope.getVideoURL = function(copayer) {

js/models/core/PublicKeyRing.js

@@ -30,6 +30,7 @@ function PublicKeyRing(opts) {
   this.publicKeysCache = opts.publicKeysCache || {};
   this.nicknameFor = opts.nicknameFor || {};
   this.copayerIds = [];
+  this.copayersBackup = opts.copayersBackup || [];
   this.addressToPath = {};
 }
 
@@ -59,6 +60,7 @@ PublicKeyRing.prototype.toObj = function() {
     requiredCopayers: this.requiredCopayers,
     totalCopayers: this.totalCopayers,
     indexes: AddressIndex.serialize(this.indexes),
+    copayersBackup: this.copayersBackup,
 
     copayersExtPubKeys: this.copayersHK.map(function(b) {
       return b.extendedPublicKeyString();
@@ -350,12 +352,30 @@ PublicKeyRing.prototype._mergePubkeys = function(inPKR) {
   return hasChanged;
 };
 
+PublicKeyRing.prototype.setBackupReady = function(copayerId) {
+  if (this.isBackupReady()) return false;
+
+  var cid = this.myCopayerId();
+  this.copayersBackup.push(cid);
+  return true;
+}
+
+PublicKeyRing.prototype.isBackupReady = function(copayerId) {
+  var cid = this.myCopayerId();
+  return this.copayersBackup.indexOf(cid) != -1;
+}
+
+PublicKeyRing.prototype.isFullyBackup = function(copayerId) {
+  return this.copayersBackup.length == this.totalCopayers;
+}
+
 PublicKeyRing.prototype.merge = function(inPKR, ignoreId) {
   this._checkInPKR(inPKR, ignoreId);
 
   var hasChanged = false;
   hasChanged |= this.mergeIndexes(inPKR.indexes);
   hasChanged |= this._mergePubkeys(inPKR);
+  hasChanged |= this.mergeBackups(inPKR.copayersBackup);
 
   return !!hasChanged;
 };
@@ -372,4 +392,18 @@ PublicKeyRing.prototype.mergeIndexes = function(indexes) {
   return !!hasChanged
 }
 
+PublicKeyRing.prototype.mergeBackups = function(backups) {
+  var self = this;
+  var hasChanged = false;
+
+  backups.forEach(function(cid) {
+    var isNew = self.copayersBackup.indexOf(cid) == -1;
+    if (isNew) self.copayersBackup.push(cid);
+    hasChanged |= isNew;
+  });
+
+  return !!hasChanged
+}
+
+
 module.exports = require('soop')(PublicKeyRing);

js/models/core/Wallet.js

@@ -879,13 +879,13 @@ Wallet.prototype.toggleAddressBookEntry = function(key) {
 };
 
 Wallet.prototype.isReady = function() {
-  var ret = this.publicKeyRing.isComplete() && this.backupOffered;
+  var ret = this.publicKeyRing.isComplete() && this.publicKeyRing.isFullyBackup();
   return ret;
 };
 
-Wallet.prototype.offerBackup = function() {
+Wallet.prototype.setBackupReady = function() {
-  this.backupOffered = true;
+  this.publicKeyRing.setBackupReady();
-  this.store();
+  this.emit('publicKeyRingUpdated', false);
 };
 
 Wallet.prototype.signJson = function(payload) {