fix displaying errors

src/js/controllers/modals/txpDetails.js

@@ -25,29 +25,36 @@ angular.module('copayApp.controllers').controller('txpDetailsController', functi
 
   $scope.sign = function(txp) {
     $scope.error = null;
+    var prefix = fc.credentials.m > 1 ? gettextCatalog.getString('Could not create payment proposal') : gettextCatalog.getString('Could not send payment');
+
     $scope.loading = 'Signing Transaction';
-
-    $timeout(function() {
-
     fingerprintService.check(fc, function(err) {
       if (err) {
-          $scope.error = bwcError.msg(err);
         $scope.loading = null;
+        $scope.error = prefix;
+        $timeout(function() {
+          $scope.$digest();
+        }, 1);
         return;
       }
 
       handleEncryptedWallet(function(err) {
         if (err) {
-            $scope.error = bwcError.msg(err);
           $scope.loading = null;
+          $scope.error = bwcError.msg(err, prefix);
+          $timeout(function() {
+            $scope.$digest();
+          }, 1);
           return;
         }
 
         walletService.signTx(fc, txp, function(err, signedTxp) {
-            walletService.lock(fc);
           if (err) {
-              $scope.error = bwcError.msg(err);
             $scope.loading = null;
+            $scope.error = bwcError.msg(err, prefix);
+            $timeout(function() {
+              $scope.$digest();
+            }, 1);
             return;
           }
 
@@ -59,6 +66,9 @@ angular.module('copayApp.controllers').controller('txpDetailsController', functi
               $scope.close(broadcastedTxp);
               if (err) {
                 $scope.error = err;
+                $timeout(function() {
+                  $scope.$digest();
+                }, 1);
               }
             });
           } else {
@@ -69,9 +79,12 @@ angular.module('copayApp.controllers').controller('txpDetailsController', functi
         });
       });
     });
-    }, 10);
   };
 
+  $scope.$on('$destroy', function() {
+    walletService.lock(fc);
+  });
+
   $scope.reject = function(txp) {
     $scope.loading = 'Rejecting payment';
     $scope.error = null;