From 82e3cef9398f8761b0a298b38f9a903426b1ed6f Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 15 Feb 2024 12:03:17 +0300
Subject: [PATCH] Ignore duplicate animations in premium state.

---
 td/telegram/Premium.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/td/telegram/Premium.cpp b/td/telegram/Premium.cpp
index 5b5c99db8..530e5cf43 100644
--- a/td/telegram/Premium.cpp
+++ b/td/telegram/Premium.cpp
@@ -222,9 +222,15 @@ class GetPremiumPromoQuery final : public Td::ResultHandler {
     }
 
     vector<td_api::object_ptr<td_api::premiumFeaturePromotionAnimation>> animations;
+    FlatHashSet<string> video_sections;
     for (size_t i = 0; i < promo->video_sections_.size(); i++) {
       auto feature = get_premium_feature_object(promo->video_sections_[i]);
       if (feature == nullptr) {
+        LOG(INFO) << "Receive unknown Premium feature animation " << promo->video_sections_[i];
+        continue;
+      }
+      if (!video_sections.insert(promo->video_sections_[i]).second) {
+        LOG(ERROR) << "Receive duplicate Premium feature animation " << promo->video_sections_[i];
         continue;
       }