From 77d37298f48e1f613b559b2a73d8b8ebba089f91 Mon Sep 17 00:00:00 2001
From: Olaoluwa Osuntokun <laolu32@gmail.com>
Date: Fri, 26 Feb 2016 17:04:14 -0800
Subject: [PATCH] chainntfns: close all pending client channels on shutdown for
 BtcdNotifier

---
 chainntfs/btcdnotify/btcd.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/chainntfs/btcdnotify/btcd.go b/chainntfs/btcdnotify/btcd.go
index b9951392..aebab70d 100644
--- a/chainntfs/btcdnotify/btcd.go
+++ b/chainntfs/btcdnotify/btcd.go
@@ -110,6 +110,16 @@ func (b *BtcdNotifier) Stop() error {
 	close(b.quit)
 	b.wg.Wait()
 
+	// Notify all pending clients of our shutdown by closing the related
+	// notification channels.
+	for _, spendClient := range b.spendNotifications {
+		close(spendClient.spendChan)
+	}
+	for _, confClient := range b.confNotifications {
+		close(confClient.finConf)
+		close(confClient.negativeConf)
+	}
+
 	return nil
 }