From 4955476db45862abf984aaddb4166351891ffdf9 Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Tue, 14 Jan 2025 10:56:08 +0800
Subject: [PATCH] accounts: prefer nil slices over zero-length slices (#19079)

---
 accounts/keystore/keystore.go | 6 ++++--
 accounts/usbwallet/hub.go     | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/accounts/keystore/keystore.go b/accounts/keystore/keystore.go
index 617e8aa2fc..0f146a44d4 100644
--- a/accounts/keystore/keystore.go
+++ b/accounts/keystore/keystore.go
@@ -136,8 +136,10 @@ func (ks *KeyStore) refreshWallets() {
 	accs := ks.cache.accounts()
 
 	// Transform the current list of wallets into the new one
-	wallets := make([]accounts.Wallet, 0, len(accs))
-	events := []accounts.WalletEvent{}
+	var (
+		wallets = make([]accounts.Wallet, 0, len(accs))
+		events  []accounts.WalletEvent
+	)
 
 	for _, account := range accs {
 		// Drop wallets while they were in front of the next account
diff --git a/accounts/usbwallet/hub.go b/accounts/usbwallet/hub.go
index 2ec78d859d..9b3c5f89ab 100644
--- a/accounts/usbwallet/hub.go
+++ b/accounts/usbwallet/hub.go
@@ -150,8 +150,10 @@ func (hub *Hub) refreshWallets() {
 	// Transform the current list of wallets into the new one
 	hub.stateLock.Lock()
 
-	wallets := make([]accounts.Wallet, 0, len(devices))
-	events := []accounts.WalletEvent{}
+	var (
+		wallets = make([]accounts.Wallet, 0, len(devices))
+		events  []accounts.WalletEvent
+	)
 
 	for _, device := range devices {
 		url := accounts.URL{Scheme: hub.scheme, Path: device.Path}