From 3391c643f3c90d0d6f56e2885e062d294f9d5640 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 26 Jan 2024 14:01:44 +0300
Subject: [PATCH] Don't try to fetch the same update more than once.

---
 td/telegram/UpdatesManager.cpp | 6 ++++++
 td/telegram/UpdatesManager.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/td/telegram/UpdatesManager.cpp b/td/telegram/UpdatesManager.cpp
index 070a88cab..6f4e04a65 100644
--- a/td/telegram/UpdatesManager.cpp
+++ b/td/telegram/UpdatesManager.cpp
@@ -337,6 +337,12 @@ void UpdatesManager::repair_pts_gap() {
   if (it->second.pts != pts + it->second.pts_count) {
     return;
   }
+  if (last_fetched_pts_ == pts) {
+    VLOG(get_difference) << "Don't fetch again update with PTS = " << pts;
+    return;
+  }
+  last_fetched_pts_ = pts;
+
   VLOG(get_difference) << "Fetch update with PTS = " << pts;
   pts_short_gap_++;
   auto promise =
diff --git a/td/telegram/UpdatesManager.h b/td/telegram/UpdatesManager.h
index fc6349c67..aa8f3dd95 100644
--- a/td/telegram/UpdatesManager.h
+++ b/td/telegram/UpdatesManager.h
@@ -215,6 +215,7 @@ class UpdatesManager final : public Actor {
   int32 pts_fixed_short_gap_ = 0;
   int32 pts_gap_ = 0;
   int32 pts_diff_ = 0;
+  int32 last_fetched_pts_ = 0;
 
   int32 qts_gap_ = 0;
   int32 qts_diff_ = 0;