crypto_rest_client/exchanges/huobi/huobi_inverse_swap.rs
1use super::super::utils::http_get;
2use crate::error::Result;
3use std::collections::BTreeMap;
4
5const BASE_URL: &str = "https://api.hbdm.com";
6
7/// Huobi Inverse Swap market.
8///
9/// Inverse Swap market uses coins like BTC as collateral.
10///
11/// * REST API doc: <https://huobiapi.github.io/docs/coin_margined_swap/v1/en/>
12/// * Trading at: <https://futures.huobi.com/en-us/swap/exchange/>
13/// * Rate Limits: <https://huobiapi.github.io/docs/coin_margined_swap/v1/en/#api-rate-limit-illustration>
14/// * For restful interfaces:all products(futures, coin margined swap, usdt
15/// margined swap) 800 times/second for one IP at most
16pub struct HuobiInverseSwapRestClient {
17 _api_key: Option<String>,
18 _api_secret: Option<String>,
19}
20
21impl_contract!(HuobiInverseSwapRestClient);
22
23impl HuobiInverseSwapRestClient {
24 /// Get the latest Level2 orderbook snapshot.
25 ///
26 /// Top 150 bids and asks (aggregated) are returned.
27 ///
28 /// For example: <https://api.hbdm.com/swap-ex/market/depth?contract_code=BTC-USD&type=step0>
29 pub fn fetch_l2_snapshot(symbol: &str) -> Result<String> {
30 gen_api!(format!("/swap-ex/market/depth?contract_code={symbol}&type=step0"))
31 }
32
33 /// Get open interest.
34 ///
35 /// For example: <https://api.hbdm.com/swap-api/v1/swap_open_interest?contract_code=BTC-USD>
36 pub fn fetch_open_interest(symbol: Option<&str>) -> Result<String> {
37 if let Some(symbol) = symbol {
38 gen_api!(format!("/swap-api/v1/swap_open_interest?contract_code={symbol}"))
39 } else {
40 gen_api!("/swap-api/v1/swap_open_interest")
41 }
42 }
43}