Merge pull request #3 from ethereum/develop

Update from upstream

libethereum/EthereumPeer.cpp

@@ -95,7 +95,7 @@ void EthereumPeer::tryGrabbingHashChain()
 	if (td >= m_totalDifficulty)
 	{
 		clogS(NetAllDetail) << "No. Our chain is better.";
-		m_grabbing = Grabbing::Nothing;
+		setGrabbing(Grabbing::Nothing);
 		return;	// All good - we have the better chain.
 	}
 
@@ -104,7 +104,7 @@ void EthereumPeer::tryGrabbingHashChain()
 		clogS(NetAllDetail) << "Yes. Their chain is better.";
 
 		host()->updateGrabbing(Grabbing::Hashes);
-		m_grabbing = Grabbing::Hashes;
+		setGrabbing(Grabbing::Hashes);
 		RLPStream s;
 		prep(s).appendList(3);
 		s << GetBlockHashesPacket << m_latestHash << c_maxHashesAsk;
@@ -144,12 +144,14 @@ bool EthereumPeer::interpret(RLP const& _r)
 
 		if (genesisHash != host()->m_chain.genesisHash())
 			disable("Invalid genesis hash");
-		if (m_protocolVersion != host()->protocolVersion())
+		else if (m_protocolVersion != host()->protocolVersion())
 			disable("Invalid protocol version.");
-		if (m_networkId != host()->networkId())
+		else if (m_networkId != host()->networkId())
 			disable("Invalid network identifier.");
-
-		startInitialSync();
+		else if (session()->info().clientVersion.find("/v0.6.9/") != string::npos)
+			disable("Blacklisted client version.");
+		else
+			startInitialSync();
 		break;
 	}
 	case GetTransactionsPacket:

libp2p/Session.cpp

@@ -40,7 +40,7 @@ Session::Session(Host* _s, bi::tcp::socket _socket, bi::address _peerAddress, un
 {
 	m_disconnect = std::chrono::steady_clock::time_point::max();
 	m_connect = std::chrono::steady_clock::now();
-	m_info = PeerInfo({"?", _peerAddress.to_string(), m_listenPort, std::chrono::steady_clock::duration(0), set<string>(), 0});
+	m_info = PeerInfo({"?", _peerAddress.to_string(), m_listenPort, std::chrono::steady_clock::duration(0), set<string>(), 0, map<string, string>()});
 }
 
 Session::~Session()
@@ -102,7 +102,7 @@ bool Session::interpret(RLP const& _r)
 			return false;
 		}
 		try
-			{ m_info = PeerInfo({clientVersion, m_socket.remote_endpoint().address().to_string(), m_listenPort, std::chrono::steady_clock::duration(), _r[3].toSet<string>(), (unsigned)m_socket.native_handle()}); }
+			{ m_info = PeerInfo({clientVersion, m_socket.remote_endpoint().address().to_string(), m_listenPort, std::chrono::steady_clock::duration(), _r[3].toSet<string>(), (unsigned)m_socket.native_handle(), map<string, string>() }); }
 		catch (...)
 		{
 			disconnect(BadProtocol);

libp2p/Session.h

@@ -73,6 +73,8 @@ public:
 
 	void addNote(std::string const& _k, std::string const& _v) { m_info.notes[_k] = _v; }
 
+	PeerInfo const& info() const { return m_info; }
+
 private:
 	void dropped();
 	void doRead();