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use super::utils::http_get;
use crate::error::Result;
use std::collections::BTreeMap;
const BASE_URL: &str = "https://api.kraken.com";
/// The WebSocket client for Kraken.
///
/// Kraken has only Spot market.
///
/// * REST API doc: <https://docs.kraken.com/rest/>
/// * Trading at: <https://trade.kraken.com/>
/// * Rate Limits: <https://docs.kraken.com/rest/#section/Rate-Limits/REST-API-Rate-Limits>
/// * 15 requests per 45 seconds
pub struct KrakenRestClient {
_api_key: Option<String>,
_api_secret: Option<String>,
}
impl KrakenRestClient {
pub fn new(api_key: Option<String>, api_secret: Option<String>) -> Self {
KrakenRestClient {
_api_key: api_key,
_api_secret: api_secret,
}
}
/// Get most recent trades.
///
/// If `since` is provided, return trade data since given id (exclusive).
///
/// For example: <https://api.kraken.com/0/public/Trades?pair=XXBTZUSD&since=1609893937598797338>
#[allow(non_snake_case)]
pub fn fetch_trades(symbol: &str, since: Option<String>) -> Result<String> {
gen_api!(format!("/0/public/Trades?pair={}", symbol), since)
}
/// Get a Level2 snapshot of orderbook.
///
/// Top 500 bids and asks are returned.
///
/// For example: <https://api.kraken.com/0/public/Depth?pair=XXBTZUSD&count=500>
pub fn fetch_l2_snapshot(symbol: &str) -> Result<String> {
gen_api!(format!("/0/public/Depth?pair={}&count=500", symbol))
}
}