From 9fce04f9d6dc254e072f864c0664ac858469a590 Mon Sep 17 00:00:00 2001
From: Andrzej Przedecki <andrzej.przedecki@happybyte.com>
Date: Sat, 11 Jun 2022 10:52:47 +0200
Subject: [PATCH] Fixed wrong casting in checkSubscribed method (#368)

secures

```
flutter: type 'Future<List<PurchasedItem>?>' is not a subtype of type 'FutureOr<List<PurchasedItem>>' in type cast
flutter:
#0      FlutterInappPurchase.checkSubscribed (package:flutter_inapp_purchase/flutter_inapp_purchase.dart:509:39)
```
---
 lib/flutter_inapp_purchase.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/flutter_inapp_purchase.dart b/lib/flutter_inapp_purchase.dart
index 49a31785..2374ee05 100644
--- a/lib/flutter_inapp_purchase.dart
+++ b/lib/flutter_inapp_purchase.dart
@@ -542,7 +542,11 @@ class FlutterInappPurchase {
   }) async {
     if (_platform.isIOS) {
       var history =
-          await (getPurchaseHistory() as FutureOr<List<PurchasedItem>>);
+          await (getPurchaseHistory() as Future<List<PurchasedItem>?>);
+
+      if (history == null) {
+        return false;
+      }
 
       for (var purchase in history) {
         Duration difference =