From a9ebaa2c2fe1dc13a8e4c974d4349a1a51d584d1 Mon Sep 17 00:00:00 2001
From: Green Sky <Green-Sky@users.noreply.github.com>
Date: Thu, 9 Jan 2025 01:53:17 +0100
Subject: [PATCH] improve perf (was ~.7% with asan enabled)

---
 solanaceae/ngc_ft1_sha1/sha1_ngcft1.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/solanaceae/ngc_ft1_sha1/sha1_ngcft1.cpp b/solanaceae/ngc_ft1_sha1/sha1_ngcft1.cpp
index 3b0ca29..431bb11 100644
--- a/solanaceae/ngc_ft1_sha1/sha1_ngcft1.cpp
+++ b/solanaceae/ngc_ft1_sha1/sha1_ngcft1.cpp
@@ -989,7 +989,16 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_data& e) {
 			}
 		}
 
-		auto c = _tcm.getContactGroupPeer(e.group_number, e.peer_number);
+		Contact3Handle c;
+		const auto tpcc_it = _tox_peer_to_contact.find(combine_ids(e.group_number, e.peer_number));
+		if (tpcc_it != _tox_peer_to_contact.cend()) {
+			c = tpcc_it->second;
+		} else {
+			c = _tcm.getContactGroupPeer(e.group_number, e.peer_number);
+			if (static_cast<bool>(c)) {
+				_tox_peer_to_contact[combine_ids(e.group_number, e.peer_number)] = c;
+			}
+		}
 		if (static_cast<bool>(c)) {
 			o.get_or_emplace<Components::TransferStatsTally>()
 				.tally[c]