ftx: subscribe order update

pkg/exchange/ftx/stream.go

@@ -32,9 +32,7 @@ func (s *Stream) Connect(ctx context.Context) error {
 	// If it's not public only, let's do the authentication.
 	if atomic.LoadInt32(&s.publicOnly) == 0 {
 		logger.Infof("subscribe private events")
-		s.wsService.Subscribe(
-			newLoginRequest(s.wsService.key, s.wsService.secret, time.Now()),
-		)
+		s.subscribePrivateEvents()
 	}
 
 	if err := s.wsService.Connect(ctx); err != nil {
@@ -44,6 +42,16 @@ func (s *Stream) Connect(ctx context.Context) error {
 	return nil
 }
 
+func (s *Stream) subscribePrivateEvents() {
+	s.wsService.Subscribe(
+		newLoginRequest(s.wsService.key, s.wsService.secret, time.Now()),
+	)
+	s.wsService.Subscribe(websocketRequest{
+		Operation: subscribe,
+		Channel:   privateOrdersChannel,
+	})
+}
+
 func (s *Stream) SetPublicOnly() {
 	atomic.StoreInt32(&s.publicOnly, 1)
 }

pkg/exchange/ftx/websocket.go

@@ -43,7 +43,6 @@ var errSubscriptionFailed = fmt.Errorf("failed to subscribe")
 func (w *WebsocketService) sendSubscriptions() error {
 	conn := w.Conn()
 	for _, s := range w.subscriptions {
-		logger.Infof("s: %+v", s)
 		if err := conn.WriteJSON(s); err != nil {
 			return fmt.Errorf("can't send subscription request %+v: %w", s, errSubscriptionFailed)
 		}

pkg/exchange/ftx/websocket_messages.go

@@ -22,9 +22,14 @@ const unsubscribe operation = "unsubscribe"
 type channel string
 
 const orderbook channel = "orderbook"
-const trades channel = "trades"
-const ticker channel = "ticker"
+const privateOrdersChannel channel = "orders"
 
+/*
+Private:
+	order update: `{'op': 'subscribe', 'channel': 'orders'}`
+	login: `{"args": { "key": "<api_key>", "sign": "<signature>", "time": <ts> }, "op": "login" }`
+
+*/
 type websocketRequest struct {
 	Operation operation `json:"op"`