sclass BitGet {
  S domain = "https://api.bitget.com";
  
  Timestamp serverTime() {
    ret new Timestamp(toLong(loadJSONMapPage(domain + "/api/spot/v1/public/time").get("data")));
  }
  
  // How much we are ahead or behind of the server's time
  // (Note: includes network lag)
  Duration serverTimeDifference() {
    var serverTime = serverTime();
    ret tsNow().minusAsDuration(serverTime);
  }
}