From 1f36acc084b39491090aa885e8db37a1662e6e50 Mon Sep 17 00:00:00 2001
From: Martin Boehm <martin.boehm@1mbsoftware.net>
Date: Thu, 1 Feb 2018 12:26:12 +0100
Subject: [PATCH] Reuses existing timer in tickAndDebounce

---
 blockbook.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/blockbook.go b/blockbook.go
index 6db7b5e2..b081d25f 100644
--- a/blockbook.go
+++ b/blockbook.go
@@ -193,20 +193,21 @@ func tickAndDebounce(tickTime time.Duration, debounceTime time.Duration, input c
 	timer := time.NewTimer(tickTime)
 Loop:
 	for {
-		timerChan := timer.C
 		select {
 		case _, ok := <-input:
-			timer.Stop()
-			// exit loop on closed channel
+			if !timer.Stop() {
+				<-timer.C
+			}
+			// exit loop on closed input channel
 			if !ok {
 				break Loop
 			}
 			// debounce for debounceTime
-			timer = time.NewTimer(debounceTime)
-		case <-timerChan:
+			timer.Reset(debounceTime)
+		case <-timer.C:
 			// do the action and start the loop again
 			f()
-			timer = time.NewTimer(tickTime)
+			timer.Reset(tickTime)
 		}
 	}
 }