allMarkPriceStream method
Mark price and funding rate for all symbols pushed every 3 seconds or every second.
Implementation
Stream<List<WsMarkPrice>> allMarkPriceStream({
bool is1s = false,
}) {
final channel = subscribe('!markPrice@arr' + (is1s ? "@1s" : ""));
return channel.stream.map<List>(toList).map<List<WsMarkPrice>>(
(e) => e.map((a) => WsMarkPrice.fromMap(a)).toList());
}