From fc5f8e32f58be3911039bda4da4f182e9f723e00 Mon Sep 17 00:00:00 2001
From: yyforyongyu <yong2452@gmail.com>
Date: Mon, 4 Nov 2024 11:48:33 +0800
Subject: [PATCH] chanfitness: exit early when there are no updates

---
 channeldb/peers.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/channeldb/peers.go b/channeldb/peers.go
index 62342fc79..ed36c51df 100644
--- a/channeldb/peers.go
+++ b/channeldb/peers.go
@@ -50,6 +50,12 @@ type FlapCount struct {
 // bucket for the peer's pubkey if necessary. Note that this function overwrites
 // the current value.
 func (d *DB) WriteFlapCounts(flapCounts map[route.Vertex]*FlapCount) error {
+	// Exit early if there are no updates.
+	if len(flapCounts) == 0 {
+		log.Debugf("No flap counts to write, skipped db update")
+		return nil
+	}
+
 	return kvdb.Update(d, func(tx kvdb.RwTx) error {
 		// Run through our set of flap counts and record them for
 		// each peer, creating a bucket for the peer pubkey if required.