Add more logs and avoid validator broadcast when not necessary

client/txgen/main.go

@@ -374,7 +374,7 @@ func main() {
 		lock.Unlock()
 
 		subsetCounter++
-		time.Sleep(3000 * time.Millisecond)
+		time.Sleep(10000 * time.Millisecond)
 	}
 
 	// Send a stop message to stop the nodes at the end

consensus/consensus_leader.go

@@ -30,9 +30,9 @@ func (consensus *Consensus) WaitForNewBlock(blockChannel chan blockchain.Block)
 		newBlock := <-blockChannel
 		// TODO: think about potential race condition
 		startTime = time.Now()
-		consensus.Log.Info("STARTING CONSENSUS", "consensus", consensus, "startTime", startTime)
+		consensus.Log.Debug("STARTING CONSENSUS", "consensus", consensus, "startTime", startTime)
 		for consensus.state == FINISHED {
-			time.Sleep(500 * time.Millisecond)
+			// time.Sleep(500 * time.Millisecond)
 			consensus.startConsensus(&newBlock)
 			break
 		}
@@ -79,12 +79,14 @@ func (consensus *Consensus) startConsensus(newBlock *blockchain.Block) {
 	// Copy over block hash and block header data
 	copy(consensus.blockHash[:], newBlock.Hash[:])
 
+	consensus.Log.Debug("Start encoding block")
 	// prepare message and broadcast to validators
 	byteBuffer := bytes.NewBuffer([]byte{})
 	encoder := gob.NewEncoder(byteBuffer)
 	encoder.Encode(newBlock)
 	consensus.blockHeader = byteBuffer.Bytes()
 
+	consensus.Log.Debug("Stop encoding block")
 	msgToSend := consensus.constructAnnounceMessage()
 	p2p.BroadcastMessageFromLeader(consensus.GetValidatorPeers(), msgToSend)
 	// Set state to ANNOUNCE_DONE

node/node_handler.go

@@ -305,15 +305,15 @@ func (node *Node) WaitForConsensusReady(readySignal chan struct{}) {
 				for {
 					// Once we have pending transactions we will try creating a new block
 					if len(node.pendingTransactions) >= 1 {
+						node.log.Debug("Start selecting transactions")
 						selectedTxs, crossShardTxAndProofs := node.getTransactionsForNewBlock(MaxNumberOfTransactionsPerBlock)
 
 						if len(selectedTxs) == 0 {
 							node.log.Debug("No valid transactions exist", "pendingTx", len(node.pendingTransactions))
 						} else {
-							node.log.Debug("Creating new block", "numTxs", len(selectedTxs), "pendingTxs", len(node.pendingTransactions), "currentChainSize", len(node.blockchain.Blocks))
+							node.log.Debug("Creating new block", "numAllTxs", len(selectedTxs), "numCrossTxs", len(crossShardTxAndProofs), "pendingTxs", len(node.pendingTransactions), "currentChainSize", len(node.blockchain.Blocks))
 
 							node.transactionInConsensus = selectedTxs
-							node.log.Debug("CROSS SHARD TX", "num", len(crossShardTxAndProofs))
 							node.CrossTxsInConsensus = crossShardTxAndProofs
 							newBlock = blockchain.NewBlock(selectedTxs, node.blockchain.GetLatestBlock().Hash, node.Consensus.ShardID)
 							break

p2p/peer.go

@@ -77,9 +77,11 @@ func BroadcastMessageFromLeader(peers []Peer, msg []byte) {
 // BroadcastMessage sends the message to a list of peers from a validator.
 func BroadcastMessageFromValidator(selfPeer Peer, peers []Peer, msg []byte) {
 	peers = SelectMyPeers(peers, selfPeer.ValidatorID*MAX_BROADCAST+1, (selfPeer.ValidatorID+1)*MAX_BROADCAST)
+	if len(peers) > 0 {
 		BroadcastMessage(peers, msg)
 		log.Info("Done sending from validator")
 	}
+}
 
 // ConstructP2pMessage constructs the p2p message as [messageType, contentSize, content]
 func ConstructP2pMessage(msgType byte, content []byte) []byte {