Struct WsServer

http/websocket/websocket/server.go:65–74

	SubscribeBlockTxHashs bool     `json:"SubscribeBlockTxHashs"`
}
type WsServer struct {
	sync.RWMutex
	Upgrader     websocket.Upgrader
	listener     net.Listener
	server       *http.Server
	SessionList  *session.SessionList // websocket sesseionlist
	ActionMap    map[string]Handler   //handler functions
	TxHashMap    map[string]string    //key: txHash   value:sessionid
	SubscribeMap map[string]subscribe //key: sessionId   value:subscribeInfo
}

//init websocket server
func InitWsServer() *WsServer {