From e0caa301a55b8e3c81b6d31ecef2807712954ed2 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 16 Aug 2020 02:57:31 +0300
Subject: [PATCH] TQueue: fix adding already expired events.

GitOrigin-RevId: b78748cd001d9439c9e215b378b76b973a77a79a
---
 tddb/td/db/TQueue.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tddb/td/db/TQueue.cpp b/tddb/td/db/TQueue.cpp
index 6c703de82..a126c7bd7 100644
--- a/tddb/td/db/TQueue.cpp
+++ b/tddb/td/db/TQueue.cpp
@@ -147,6 +147,9 @@ class TQueueImpl : public TQueue {
     if (q.total_event_length > MAX_TOTAL_EVENT_LENGTH - data.size()) {
       return Status::Error("Queue size is too big");
     }
+    if (expires_at <= 0) {
+      return Status::Error("Failed to add already expired event");
+    }
     EventId event_id;
     while (true) {
       if (q.tail_id.empty()) {