From 2683aac9b0505bf7744da5f0d0d0a9040e765723 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Sat, 4 Apr 2015 13:27:17 +0200
Subject: [PATCH] Make sure we're not mining on an invalid TS

---
 miner/worker.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/miner/worker.go b/miner/worker.go
index 4385b51c80..77b8406cb8 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -207,6 +207,9 @@ func (self *worker) commitNewWork() {
 	defer self.uncleMu.Unlock()
 
 	block := self.chain.NewBlock(self.coinbase)
+	if block.Time() == self.chain.CurrentBlock().Time() {
+		block.Header().Time++
+	}
 
 	self.current = env(block, self.eth)
 	for _, ancestor := range self.chain.GetAncestors(block, 7) {