From fc3941d1fdfdea1b6c6e3053dea05979be3555e4 Mon Sep 17 00:00:00 2001
From: Christoph Jentzsch <jentzsch.software@gmail.com>
Date: Wed, 2 Sep 2015 23:24:17 +0200
Subject: [PATCH] fix block time issue

currently, under normal circumstances, you always set the timestamp to previous.Time() + 1.
credits to https://www.reddit.com/r/ethereum/comments/3jcs5r/code_avg_block_time_vs_difficulty_adjustment/cuoi4op

style
---
 miner/worker.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/miner/worker.go b/miner/worker.go
index 86970ec071..16a16931d7 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -434,7 +434,7 @@ func (self *worker) commitNewWork() {
 	tstart := time.Now()
 	parent := self.chain.CurrentBlock()
 	tstamp := tstart.Unix()
-	if parent.Time().Cmp(new(big.Int).SetInt64(tstamp)) != 1 {
+	if parent.Time().Cmp(new(big.Int).SetInt64(tstamp)) >= 0 {
 		tstamp = parent.Time().Int64() + 1
 	}
 	// this will ensure we're not going off too far in the future