From e2adc2daba49a0edf131cd490461e38e21e38dd6 Mon Sep 17 00:00:00 2001
From: tom <69969590+simlecode@users.noreply.github.com>
Date: Wed, 2 Nov 2022 10:43:07 +0800
Subject: [PATCH] fix: fix memory leak (#272)

---
 service/events.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/service/events.go b/service/events.go
index 4b8e9c44..1b98ca98 100644
--- a/service/events.go
+++ b/service/events.go
@@ -16,6 +16,9 @@ type NodeEvents struct {
 }
 
 func (nd *NodeEvents) listenHeadChangesOnce(ctx context.Context) error {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
 	notifs, err := nd.client.ChainNotify(ctx)
 	if err != nil {
 		return err