Allow to unsubscribe from ws topic

2019-09-16 14:35:39 +02:00
parent b6d2803a49
commit 5caa65fedf
2 changed files with 15 additions and 0 deletions
--- a/lib/websocket-client.js
+++ b/lib/websocket-client.js
@@ -50,6 +50,17 @@ module.exports = class WebsocketClient extends EventEmitter {
    this.ws.send(msgStr);
  }

+  unsubscribe(topics) {
+    if(!Array.isArray(topics)) topics = [topics];
+
+    const msgStr = JSON.stringify({
+      op: 'unsubscribe',
+      'args': topics
+    });
+
+    this.ws.send(msgStr);
+  }
+
  close() {
    this.logger.info('Closing connection', {category: 'bybit-ws'});
    this.readyState = READY_STATE_CLOSING;