Tip：
You can cancel order by websocket after login.

Request

{
  "id": "XXX",
  "action": "cancel_orders",  
  "args":  
  {  
    "exchangeType": "XXX"
  }  
}

Field name	Type	Necessary	Remarks
id	`String`	N	client request id
action	`String`	Y	cancel_orders
args	`Object`	Y	request params
> exchangeType	`String`	N	Exchange Type

Response

Success example：

{
  "id": "XXXX",
 	"event": "cancel_orders",  
  "code": "0",  
  "msg": ""
}

Fail example：

{  
  "id":"***",
  "event": "error",  
  "code": "60009",  
  "msg": "Cancel Order failed."  
}