fix

lib/presentation/viewmodel/top_up_bloc.dart

@@ -22,7 +22,6 @@ class TopUpBloc extends Bloc<TopUpEvent, TopUpState> {
     on<LoadTopUpData>((event, emit) async {
       emit(state.copyWith(isLoading: true));
 
-      // Запускаем оба запроса параллельно
       final results = await Future.wait([
         getCertificatesUsecase(),
         getUserCards(),
@@ -77,5 +76,21 @@ class TopUpBloc extends Bloc<TopUpEvent, TopUpState> {
     on<ToggleAgreement>(
       (event, emit) => emit(state.copyWith(isAgreed: event.value)),
     );
+    on<TopUpButtonPressed>((event, emit) async {
+      emit(state.copyWith(isLoading: true));
+
+      if (state.isAgreed) {
+        final result = await purchaseCertificateUsecase(
+          certificateId: state.selectedTariff!.id,
+          cardId:state.selectedCard!.id,
+        );
+
+        if (result is Success) {
+          emit(state.copyWith(isLoading: false));
+        }
+      }
+
+
+    });
   }
 }