use http_get;
use crateResult;
use BTreeMap;
const BASE_URL: &str = "https://api.hbdm.com/option-ex";
/// Huobi Option market.
///
///
/// * REST API doc: <https://huobiapi.github.io/docs/option/v1/en/>
/// * Trading at: <https://futures.huobi.com/en-us/option/exchange/>
/// * Rate Limits: <https://huobiapi.github.io/docs/option/v1/en/#api-rate-limit-illustration>
/// * For restful interfaces:all products(futures, coin margined swap, usdt
/// margined swap and option) 800 times/second for one IP at most
impl_contract!;