improving VMC flow

lib/screens/poll/poll_screen.dart

@@ -78,7 +78,7 @@ class _PollScreenState extends State<PollScreen> {
       body: ListenableBuilder(
         listenable: controller,
         builder: (context, child) {
-          if (controller.model.status == 'SUCCESS') {
+          if (controller.model.pollStatus == 'SUCCESS') {
             WidgetsBinding.instance.addPostFrameCallback((_) {
               context.go('/integration');
             });
@@ -90,13 +90,17 @@ class _PollScreenState extends State<PollScreen> {
             subtitle:
                 'We\'re checking with our gateway if your transaction was '
                 'successful. This won\'t take long.',
-            status: controller.model.status,
+            status: controller.model.pollStatus,
             isLoading: controller.model.isLoading,
             errorMessage:
                 controller.model.errorMessage ??
                 'We failed to check your transaction status',
+            pollAttempt: controller.model.pollAttempt,
+            pollMaxAttempts: controller.model.pollMaxAttempts,
             onRetry: () {
               controller.model.isCancelled = false;
+              controller.model.pollStatus = 'PENDING';
+              controller.model.pollAttempt = 0;
               _startPolling();
             },
           );