Merge branch 'master' of github.com:harmony-one/harmony into explorer_node

cmd/harmony/main.go

@@ -105,6 +105,7 @@ var (
 	blockPeriod = flag.Int("block_period", 8, "how long in second the leader waits to propose a new block.")
 	// isNewNode indicates this node is a new node
 	isNewNode      = flag.Bool("is_newnode", false, "true means this node is a new node")
+	leaderOverride = flag.Bool("leader_override", false, "true means override the default leader role and acts as validator")
 	// shardID indicates the shard ID of this node
 	shardID            = flag.Int("shard_id", -1, "the shard ID of this node")
 	enableMemProfiling = flag.Bool("enableMemProfiling", false, "Enable memsize logging.")
@@ -271,7 +272,7 @@ func createGlobalConfig() *nodeconfig.ConfigType {
 
 	nodeConfig.SelfPeer = p2p.Peer{IP: *ip, Port: *port, ConsensusPubKey: nodeConfig.ConsensusPubKey}
 
-	if accountIndex < core.GenesisShardNum && !*isExplorer { // The first node in a shard is the leader at genesis
+	if accountIndex < core.GenesisShardNum && !*isExplorer && !*leaderOverride { // The first node in a shard is the leader at genesis
 		nodeConfig.Leader = nodeConfig.SelfPeer
 		nodeConfig.StringRole = "leader"
 	} else {

consensus/config.go

@@ -7,10 +7,10 @@ const (
 	// The duration of viewChangeTimeout; when a view change is initialized with v+1
 	// timeout will be equal to viewChangeDuration; if view change failed and start v+2
 	// timeout will be 2*viewChangeDuration; timeout of view change v+n is n*viewChangeDuration
-	viewChangeDuration time.Duration = 300 * time.Second
+	viewChangeDuration time.Duration = 60 * time.Second
 
 	// timeout duration for announce/prepare/commit
-	phaseDuration     time.Duration = 300 * time.Second
+	phaseDuration     time.Duration = 120 * time.Second
 	bootstrapDuration time.Duration = 300 * time.Second
 	maxLogSize        uint32        = 1000
 	// threshold between received consensus message blockNum and my blockNum

node/node_handler.go

@@ -813,7 +813,7 @@ func (node *Node) transitionIntoNextEpoch(shardState types.ShardState) {
 		publicKeys = append(publicKeys, key)
 	}
 	node.Consensus.UpdatePublicKeys(publicKeys)
-	node.DRand.UpdatePublicKeys(publicKeys)
+	//	node.DRand.UpdatePublicKeys(publicKeys)
 
 	if node.Blockchain().ShardID() == myShardID {
 		getLogger().Info("staying in the same shard")

node/node_newblock.go

@@ -54,8 +54,8 @@ func (node *Node) WaitForConsensusReadyv2(readySignal chan struct{}, stopChan ch
 				}
 			case <-readySignal:
 				for {
-					if time.Now().Before(deadline) {
 					time.Sleep(PeriodicBlock)
+					if time.Now().Before(deadline) {
 						continue
 					}
 

node/node_syncing.go

@@ -197,26 +197,22 @@ func (node *Node) SendNewBlockToUnsync() {
 			continue
 		}
 
+		node.stateMutex.Lock()
 		for peerID, config := range node.peerRegistrationRecord {
 			elapseTime := time.Now().UnixNano() - config.timestamp
 			if elapseTime > broadcastTimeout {
 				utils.GetLogInstance().Warn("[SYNC] SendNewBlockToUnsync to peer timeout", "peerID", peerID)
-				// send last time and delete
-				config.client.PushNewBlock(node.GetSyncID(), blockHash, true)
-				node.stateMutex.Lock()
 				node.peerRegistrationRecord[peerID].client.Close()
 				delete(node.peerRegistrationRecord, peerID)
-				node.stateMutex.Unlock()
 				continue
 			}
 			response := config.client.PushNewBlock(node.GetSyncID(), blockHash, false)
 			if response != nil && response.Type == downloader_pb.DownloaderResponse_INSYNC {
-				node.stateMutex.Lock()
 				node.peerRegistrationRecord[peerID].client.Close()
 				delete(node.peerRegistrationRecord, peerID)
-				node.stateMutex.Unlock()
 			}
 		}
+		node.stateMutex.Unlock()
 	}
 }
 
@@ -290,6 +286,8 @@ func (node *Node) CalculateResponse(request *downloader_pb.DownloaderRequest) (*
 		peerID := string(request.PeerHash[:])
 		ip := request.Ip
 		port := request.Port
+		node.stateMutex.Lock()
+		defer node.stateMutex.Unlock()
 		if _, ok := node.peerRegistrationRecord[peerID]; ok {
 			response.Type = downloader_pb.DownloaderResponse_FAIL
 			utils.GetLogInstance().Warn("[SYNC] peerRegistration record already exists", "ip", ip, "port", port)
@@ -307,9 +305,7 @@ func (node *Node) CalculateResponse(request *downloader_pb.DownloaderRequest) (*
 				return response, nil
 			}
 			config := &syncConfig{timestamp: time.Now().UnixNano(), client: client}
-			node.stateMutex.Lock()
 			node.peerRegistrationRecord[peerID] = config
-			node.stateMutex.Unlock()
 			utils.GetLogInstance().Debug("[SYNC] register peerID success", "ip", ip, "port", port)
 			response.Type = downloader_pb.DownloaderResponse_SUCCESS
 		}