From bc5e60cd632b7ee38eb0ea9dcd80e1ca9a4ba4af Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Sun, 17 May 2015 17:51:34 +0200
Subject: [PATCH] miner: stale block notification

---
 miner/worker.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/miner/worker.go b/miner/worker.go
index d5f9dd8c5..5fa5d3777 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -224,7 +224,13 @@ func (self *worker) wait() {
 				}
 				self.mux.Post(core.NewMinedBlockEvent{block})
 
-				glog.V(logger.Info).Infof("🔨  Mined block #%v", block.Number())
+				var stale string
+				canonBlock := self.chain.GetBlockByNumber(block.NumberU64())
+				if canonBlock != nil && canonBlock.Hash() != block.Hash() {
+					stale = "stale-"
+				}
+
+				glog.V(logger.Info).Infof("🔨  Mined %sblock #%v (%x)", stale, block.Number(), block.Hash().Bytes()[:4])
 
 				jsonlogger.LogJson(&logger.EthMinerNewBlock{
 					BlockHash:     block.Hash().Hex(),
-- 
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