add sync_node flag

benchmark.go

@@ -65,6 +65,7 @@ func main() {
 	profile := flag.Bool("profile", false, "Turn on profiling (CPU, Memory).")
 	metricsReportURL := flag.String("metrics_report_url", "", "If set, reports metrics to this URL.")
 	versionFlag := flag.Bool("version", false, "Output version info")
+	syncNode := flag.Bool("sync_node", false, "Whether this node is a new node joining blockchain and it needs to get synced before joining consensus.")
 
 	flag.Parse()
 
@@ -122,6 +123,8 @@ func main() {
 	attack.GetInstance().SetLogger(consensus.Log)
 	// Current node.
 	currentNode := node.New(consensus, ldb)
+	// Add sync node configuration.
+	currentNode.SyncNode = *syncNode
 	// Create client peer.
 	clientPeer := distributionConfig.GetClientPeer()
 	// If there is a client configured in the node list.