https://openapi.exchange1.com/sapi/v2/symbols. Return value Add "feeRateMaker" "feeRateTaker"
https://openapi.exchange1.com/sapi/v2/symbols
Added a new historyOrders data RESTful API URL https://openapi.exchange1.com/sapi/v3/historyOrders.
https://openapi.exchange1.com/sapi/v3/historyOrders
Added a new myTrades data RESTful API URL https://openapi.exchange1.com/sapi/v3/myTrades.
https://openapi.exchange1.com/sapi/v3/myTrades
Updated the spot trading API symbol parameter to support both the real currency name and the display name.
Updated the expiration time of the X-CH-TS timestamp in the request headers from 1 second to 3 seconds.