From 7c5d2a45da3b1e5fd25006cda9e6fc534bc101cf Mon Sep 17 00:00:00 2001
From: wit liu <765765346@qq.com>
Date: Wed, 8 Oct 2025 12:50:48 +0800
Subject: [PATCH] accounts/keystore: use ticker to avoid timer allocations
 #32732 (#1592)

---
 accounts/keystore/keystore.go | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/accounts/keystore/keystore.go b/accounts/keystore/keystore.go
index e03d2582f2..677d1d7c5f 100644
--- a/accounts/keystore/keystore.go
+++ b/accounts/keystore/keystore.go
@@ -196,23 +196,17 @@ func (ks *KeyStore) Subscribe(sink chan<- accounts.WalletEvent) event.Subscripti
 // forces a manual refresh (only triggers for systems where the filesystem notifier
 // is not running).
 func (ks *KeyStore) updater() {
-	// Create a timer for the wallet refresh cycle
-	timer := time.NewTimer(walletRefreshCycle)
-	defer timer.Stop()
+	ticker := time.NewTicker(walletRefreshCycle)
+	defer ticker.Stop()
 
 	for {
 		// Wait for an account update or a refresh timeout
 		select {
 		case <-ks.changes:
-			// Stop the timer if we receive an account update before the timer fires
-			if !timer.Stop() {
-				<-timer.C
-			}
-		case <-timer.C:
+		case <-ticker.C:
 		}
 		// Run the wallet refresher
 		ks.refreshWallets()
-
 		// If all our subscribers left, stop the updater
 		ks.mu.Lock()
 		if ks.updateScope.Count() == 0 {
@@ -221,9 +215,6 @@ func (ks *KeyStore) updater() {
 			return
 		}
 		ks.mu.Unlock()
-
-		// Reset the timer for the next cycle
-		timer.Reset(walletRefreshCycle)
 	}
 }