From 9f62d3b1886f86f67c059c66c1c3ec13f3c492f5 Mon Sep 17 00:00:00 2001
From: kurahin <kurahinvladikdos@gmail.com>
Date: Mon, 8 Dec 2025 12:21:15 +0200
Subject: [PATCH] p2p/tracker: fix head detection in Fulfil to avoid
 unnecessary timer reschedules

---
 p2p/tracker/tracker.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/p2p/tracker/tracker.go b/p2p/tracker/tracker.go
index 5b72eb2b88..dd3dba7504 100644
--- a/p2p/tracker/tracker.go
+++ b/p2p/tracker/tracker.go
@@ -185,9 +185,10 @@ func (t *Tracker) Fulfil(peer string, version uint, code uint64, id uint64) {
 		return
 	}
 	// Everything matches, mark the request serviced and meter it
+	wasHead := t.expire.Front() == req.expire
 	t.expire.Remove(req.expire)
 	delete(t.pending, id)
-	if req.expire.Prev() == nil {
+	if wasHead {
 		if t.wake.Stop() {
 			t.schedule()
 		}