From 81ba2e9671128a18da9589012f8d878ea4c42130 Mon Sep 17 00:00:00 2001
From: Andrey Tvorozhkov <andrey@head-labs.com>
Date: Tue, 10 Sep 2024 01:13:49 +0300
Subject: [PATCH] Don't allow empty cache

---
 lite-server-daemon/adnl-lite-proxy.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lite-server-daemon/adnl-lite-proxy.cpp b/lite-server-daemon/adnl-lite-proxy.cpp
index 965de9059..572ad3b72 100644
--- a/lite-server-daemon/adnl-lite-proxy.cpp
+++ b/lite-server-daemon/adnl-lite-proxy.cpp
@@ -889,7 +889,7 @@ namespace ton::liteserver {
               promise.set_value(result.clone());
             }
 
-            cache_similar.erase(it);
+            cache_similar.erase(data_hash);
           }
         }
 
@@ -980,7 +980,7 @@ namespace ton::liteserver {
 
           auto it = cache_similar.find(data_hash);
 
-          if (it != cache_similar.end()) {
+          if (it != cache_similar.end() && !cache_similar[data_hash].empty()) {
             LOG(INFO) << "Found similar request, store: " << data_hash;
             it->second.push_back(std::move(promise));
             return;