Adding new endpoint wss://dstream.binance.com - perpetual coin futures

The base endpoint is: wss://dstream.binance.com

https://binance-docs.github.io/apidocs/delivery/en/#change-log

Special handling for userData streams

Websocket Request for user data:
    <listenKey>@account request for user's account information
    <listenKey>@balance request for user's account balance
    <listenKey>@balance request for user's position information

[M3tz3l]

@oliver-zehentleitner done

[oliver-zehentleitner]

@M3tz3l yes that would be great! could you please also provide an example file with tests what is working and what not?

Docs: https://binance-docs.github.io/apidocs/delivery/en/#websocket-market-streams

For example “btcusd_200925@depth” or “btcusd_200925@aggTrade” does a subscription to it work?

• <symbol>@markPrice OR <symbol>@markPrice@1s
• <pair>@markPrice OR <pair>@markPrice@1s
• <pair>@indexPrice OR <pair>@indexPrice@1s
• <pair><contractType>@continuousKline<interval>
• <pair>@indexPriceKline_<interval>
• …