From e9b4780b292122fd727426471f025ec3d3eb7b08 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Tue, 31 May 2016 20:34:27 +0200
Subject: [PATCH] Optimization: don't check the mempool at all if no mempool
 req ever

---
 src/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index bf0f0d896..68368e402 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4516,7 +4516,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
                 if (mi != mapRelay.end()) {
                     pfrom->PushMessage(NetMsgType::TX, *mi->second);
                     push = true;
-                } else {
+                } else if (pfrom->timeLastMempoolReq) {
                     auto txinfo = mempool.info(inv.hash);
                     // To protect privacy, do not answer getdata using the mempool when
                     // that TX couldn't have been INVed in reply to a MEMPOOL request.