Merge pull request #2998 from matiu/feat/nosign-backup

export backup without signing capabilities

src/js/controllers/backup.js

@@ -11,7 +11,15 @@ angular.module('copayApp.controllers').controller('backupController',
     this.isEncrypted = fc.isPrivKeyEncrypted();
 
     this.downloadWalletBackup = function() {
-      backupService.walletDownload(this.password, function() {
+      var self = this;
+      var opts = {
+        noSign: $scope.noSign,
+      };
+      backupService.walletDownload(this.password, opts, function(err) {
+        if (err) {
+          self.error = true;
+          return ;
+        }
         $rootScope.$emit('Local/BackupDone');
         notification.success(gettext('Backup created'), gettext('Encrypted backup file saved'));
         go.walletHome();
@@ -19,19 +27,32 @@ angular.module('copayApp.controllers').controller('backupController',
     };
 
     this.getBackup = function() {
-      return backupService.walletExport(this.password);
+      var opts = {
+        noSign: $scope.noSign,
+      };
+
+      var ew = backupService.walletExport(this.password, opts);
+      if (!ew) {
+        this.error = true;
+      } else {
+        this.error = false;
+      }
+      return ew;
     };
 
     this.viewWalletBackup = function() {
       var self = this;
       $timeout(function() {
-        self.backupWalletPlainText = self.getBackup();
+        var ew = self.getBackup();
+        if (!ew) return;
+        self.backupWalletPlainText = ew;
         $rootScope.$emit('Local/BackupDone');
       }, 100);
     };
 
     this.copyWalletBackup = function() {
       var ew = this.getBackup();
+      if (!ew) return;
       window.cordova.plugins.clipboard.copy(ew);
       window.plugins.toast.showShortCenter('Copied to clipboard');
       $rootScope.$emit('Local/BackupDone');
@@ -48,6 +69,11 @@ angular.module('copayApp.controllers').controller('backupController',
         name = fc.alias + ' [' + name + ']';
       }
       var ew = this.getBackup();
+      if (!ew) return;
+
+      if( $scope.noSign) 
+        name = name + '(No Private Key)';
+
       var properties = {
         subject: 'Copay Wallet Backup: ' + name,
         body: 'Here is the encrypted backup of the wallet ' + name + ': \n\n' + ew + '\n\n To import this backup, copy all text between {...}, including the symbols {}',

src/js/controllers/index.js

@@ -110,6 +110,7 @@ angular.module('copayApp.controllers').controller('indexController', function($r
       self.walletName = fc.credentials.walletName;
       self.walletId = fc.credentials.walletId;
       self.isComplete = fc.isComplete();
+      self.canSign = fc.canSign();
       self.txps = [];
       self.copayers = [];
       self.updateColor();

src/js/controllers/walletHome.js

@@ -182,6 +182,7 @@ angular.module('copayApp.controllers').controller('walletHomeController', functi
       $scope.alternativeAmountStr = tx.alternativeAmountStr;
       $scope.copayers = copayers
       $scope.copayerId = fc.credentials.copayerId;
+      $scope.canSign= fc.canSign();
       $scope.loading = null;
       $scope.color = fc.backgroundColor;
       refreshUntilItChanges = false;
@@ -229,6 +230,10 @@ angular.module('copayApp.controllers').controller('walletHomeController', functi
 
       $scope.sign = function(txp) {
         var fc = profileService.focusedClient;
+
+        if (!fc.canSign())
+          return;
+
         if (fc.isPrivKeyEncrypted()) {
           profileService.unlockFC(function(err) {
             if (err) {
@@ -727,6 +732,16 @@ angular.module('copayApp.controllers').controller('walletHomeController', functi
           return self.setSendError(err);
         }
 
+        if (!fc.canSign()) {
+          $log.info('No signing proposal: No private key')
+          self.setOngoingProcess();
+          self.resetForm();
+          txStatus.notify(txp, function() {
+            return $scope.$emit('Local/TxProposalAction');
+          });
+          return;
+        }
+
         self.signAndBroadcast(txp, function(err) {
           self.setOngoingProcess();
           profileService.lockFC();