export decrypted wallet

src/js/controllers/preferencesDelete.js

@@ -21,7 +21,8 @@ angular.module('copayApp.controllers').controller('preferencesDeleteWalletContro
         if (err) {
           popupService.showAlert(gettextCatalog.getString('Error'), err.message || err);
         } else {
-          $ionicHistory.removeBackView();
+          $ionicHistory.clearHistory();
+          $ionicHistory.clearCache();
           $state.go('tabs.home');
         }
       });

src/js/services/walletService.js

@@ -872,7 +872,7 @@ angular.module('copayApp.services').factory('walletService', function($log, $tim
       if (!password) return cb('no password');
       if (!wallet.checkPassword(password)) return cb('wrong password');
 
-
+      wallet.credentials.decryptPrivateKey(password);
       return cb(null, password);
     });
   };