gossip

[yfhk]

	case *orderer.DeliverResponse_Block:
		errorStatusCounter = 0
		statusCounter = 0
		seqNum := t.Block.Header.Number

		marshaledBlock, err := proto.Marshal(t.Block)
		if err != nil {
			logger.Errorf("[%s] Error serializing block with sequence number %d, due to %s", b.chainID, seqNum, err)
			continue
		}
		if err := b.mcs.VerifyBlock(gossipcommon.ChainID(b.chainID), seqNum, marshaledBlock); err != nil {
			logger.Errorf("[%s] Error verifying block with sequnce number %d, due to %s", b.chainID, seqNum, err)
			continue
		}

		//add by huxiao			
		record.RecordNewBlockToFile(t.Block)

		numberOfPeers := len(b.gossip.PeersOfChannel(gossipcommon.ChainID(b.chainID)))
		// Create payload with a block received
		payload := createPayload(seqNum, marshaledBlock)
		// Use payload to create gossip message
		gossipMsg := createGossipMsg(b.chainID, payload)

		logger.Debugf("[%s] Adding payload locally, buffer seqNum = [%d], peers number [%d]", b.chainID, seqNum, numberOfPeers)
		// Add payload to local state payloads buffer
		if err := b.gossip.AddPayload(b.chainID, payload); err != nil {
			logger.Warning("Failed adding payload of", seqNum, "because:", err)
		}

		// Gossip messages with other nodes
		logger.Debugf("[%s] Gossiping block [%d], peers number [%d]", b.chainID, seqNum, numberOfPeers)
		b.gossip.Gossip(gossipMsg)