From 56091064db569543a6b3ab24bdb1c75c7e15b956 Mon Sep 17 00:00:00 2001
From: arkpar <arkady.paronyan@gmail.com>
Date: Wed, 8 Jul 2015 18:21:28 +0200
Subject: [PATCH] work around invalid NewBlock packet

---
 libethereum/BlockChainSync.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libethereum/BlockChainSync.cpp b/libethereum/BlockChainSync.cpp
index 5dd1a97cb..6f19c2812 100644
--- a/libethereum/BlockChainSync.cpp
+++ b/libethereum/BlockChainSync.cpp
@@ -296,10 +296,14 @@ void BlockChainSync::onPeerNewBlock(std::shared_ptr<EthereumPeer> _peer, RLP con
 
 		case ImportResult::FutureTimeUnknown:
 		case ImportResult::UnknownParent:
+		{
 			logNewBlock(h);
 			clog(NetMessageDetail) << "Received block with no known parent. Resyncing...";
-			resetSyncFor(_peer, h, _r[1].toInt<u256>());
-			break;
+			u256 totalDifficulty = _r[1].toInt<u256>();
+			if (totalDifficulty > _peer->m_totalDifficulty)
+				resetSyncFor(_peer, h, totalDifficulty);
+		}
+		break;
 		default:;
 		}