accounts/keystore: use runtime.AddCleanup (#32610)

Author: cuiweixie

accounts/keystore/keystore.go

@@ -99,9 +99,10 @@ func (ks *KeyStore) init(keydir string) {
 	// TODO: In order for this finalizer to work, there must be no references
 	// to ks. addressCache doesn't keep a reference but unlocked keys do,
 	// so the finalizer will not trigger until all timed unlocks have expired.
-	runtime.SetFinalizer(ks, func(m *KeyStore) {
-		m.cache.close()
-	})
+	runtime.AddCleanup(ks, func(c *accountCache) {
+		c.close()
+	}, ks.cache)
+
 	// Create the initial list of wallets from the cache
 	accs := ks.cache.accounts()
 	ks.wallets = make([]accounts.Wallet, len(accs))