From 9bf5b5343b154fae186adbe951711f26c81e1773 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 9 Sep 2021 15:41:50 +0300
Subject: [PATCH] Prevent partial updateBasicGroupFullInfo.

---
 td/telegram/ContactsManager.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index a34ed089f..b2b4f36d0 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -11555,7 +11555,9 @@ void ContactsManager::on_get_chat_participants(tl_object_ptr<telegram_api::ChatP
 
       on_update_chat_full_participants(chat_full, chat_id, std::move(new_participants), participants->version_,
                                        from_update);
-      update_chat_full(chat_full, chat_id, "on_get_chat_participants");
+      if (from_update) {
+        update_chat_full(chat_full, chat_id, "on_get_chat_participants");
+      }
       break;
     }
     default: