From 36e95649cc31b5f12aa7922307367ca603415de2 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 27 Feb 2024 13:51:39 +0300
Subject: [PATCH] Make AuthData the last field of Session.

---
 td/telegram/net/Session.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/td/telegram/net/Session.h b/td/telegram/net/Session.h
index 97b0ae9aa..67905a5b4 100644
--- a/td/telegram/net/Session.h
+++ b/td/telegram/net/Session.h
@@ -171,7 +171,6 @@ class Session final
   unique_ptr<mtproto::RawConnection> cached_connection_;
 
   std::shared_ptr<Callback> callback_;
-  mtproto::AuthData auth_data_;
   bool use_pfs_{false};
   bool need_check_main_key_{false};
   TempAuthKeyWatchdog::RegisteredAuthKey registered_temp_auth_key_;
@@ -197,6 +196,10 @@ class Session final
   std::array<HandshakeInfo, 2> handshake_info_;
 
   double wakeup_at_;
+
+  // mtproto::AuthData should be the last field, because it's size is about 32 KB
+  mtproto::AuthData auth_data_;
+
   void on_handshake_ready(Result<unique_ptr<mtproto::AuthKeyHandshake>> r_handshake);
   void create_gen_auth_key_actor(HandshakeId handshake_id);
   void auth_loop(double now);