From 9431fab06e454694cb569948b70fab2cabb00cf3 Mon Sep 17 00:00:00 2001
From: Oleh Nikolaiev <oleg@skalelabs.com>
Date: Fri, 12 Jan 2024 18:53:42 +0000
Subject: [PATCH] IS-902 check block number to download snapshot

---
 libweb3jsonrpc/Skale.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libweb3jsonrpc/Skale.cpp b/libweb3jsonrpc/Skale.cpp
index 763c3af6c..40904ac46 100644
--- a/libweb3jsonrpc/Skale.cpp
+++ b/libweb3jsonrpc/Skale.cpp
@@ -158,6 +158,10 @@ nlohmann::json Skale::impl_skale_getSnapshot( const nlohmann::json& joRequest, C
 
     // TODO check
     unsigned blockNumber = joRequest["blockNumber"].get< unsigned >();
+    if ( blockNumber != m_client.getLatestSnapshotBlockNumer() ) {
+        joResponse["error"] = "Wrong snapshot block number requested.";
+        return joResponse;
+    }
 
     // exit if too early
     if ( currentSnapshotBlockNumber >= 0 ) {