OKEx announcement: V3 WebSocket API connection address port number has been changed

According to the official website of OKEx, the V3 API has been running stably. In order to run the WebSocket service more efficiently and stably, the V3 WebSocket API has changed the port from 10442 to 8443, and the port 10442 will stop at 14:00 on September 22, 2019. To avoid affecting normal transactions, users need to switch the Endpoint port to 8443 in advance.