diff --git a/app/object-storage/object-storage.go b/app/object-storage/object-storage.go
index b5aa21fb2603c0d1aa88c051417a20646334b088..af30bd0b73fc21cc36a06c236b4f4cee00cda800 100644
--- a/app/object-storage/object-storage.go
+++ b/app/object-storage/object-storage.go
@@ -284,3 +284,13 @@ func TestObjectStorage() {
 		log.Fatalf("Failure: %+v", err)
 	}
 }
+
+func IsTransactionInDatabase(objectStorage Blob, trans Transaction) bool {
+	db := ReadDatabaseFromBlobStorage(objectStorage)
+	for _, t := range db {
+		if t.Id == trans.Id {
+			return true
+		}
+	}
+	return false
+}