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use async_trait::async_trait;
use std::collections::HashMap;
use tokio_tungstenite::tungstenite::Message;
use crate::{
clients::common_traits::{
Candlestick, Level3OrderBook, OrderBook, OrderBookTopK, Ticker, Trade, BBO,
},
common::{
command_translator::CommandTranslator,
message_handler::{MessageHandler, MiscMessage},
ws_client_internal::WSClientInternal,
},
WSClient,
};
use log::*;
use super::{utils::fetch_symbol_contract_id_map_swap, EXCHANGE_NAME};
const WEBSOCKET_URL: &str = "wss://kline.zbg.com/exchange/v1/futurews";
pub struct ZbgSwapWSClient {
client: WSClientInternal<ZbgMessageHandler>,
translator: ZbgCommandTranslator,
}
impl_new_constructor!(
ZbgSwapWSClient,
EXCHANGE_NAME,
WEBSOCKET_URL,
ZbgMessageHandler {},
ZbgCommandTranslator::new().await
);
#[rustfmt::skip]
impl_trait!(Trade, ZbgSwapWSClient, subscribe_trade, "future_tick");
#[rustfmt::skip]
impl_trait!(OrderBook, ZbgSwapWSClient, subscribe_orderbook, "future_snapshot_depth");
#[rustfmt::skip]
impl_trait!(Ticker, ZbgSwapWSClient, subscribe_ticker, "future_snapshot_indicator");
impl_candlestick!(ZbgSwapWSClient);
panic_bbo!(ZbgSwapWSClient);
panic_l2_topk!(ZbgSwapWSClient);
panic_l3_orderbook!(ZbgSwapWSClient);
impl_ws_client_trait!(ZbgSwapWSClient);
struct ZbgMessageHandler {}
struct ZbgCommandTranslator {
symbol_id_map: HashMap<String, i64>,
}
impl MessageHandler for ZbgMessageHandler {
fn handle_message(&mut self, msg: &str) -> MiscMessage {
if msg == "Pong" {
return MiscMessage::Pong;
}
if msg.starts_with('[') {
MiscMessage::Normal
} else {
warn!("Received {} from {}", msg, EXCHANGE_NAME);
MiscMessage::Other
}
}
fn get_ping_msg_and_interval(&self) -> Option<(Message, u64)> {
Some((Message::Text("PING".to_string()), 25))
}
}
impl ZbgCommandTranslator {
async fn new() -> Self {
let symbol_id_map = fetch_symbol_contract_id_map_swap().await;
ZbgCommandTranslator { symbol_id_map }
}
fn to_raw_channel(&self, channel: &str, symbol: &str) -> String {
let contract_id = self
.symbol_id_map
.get(symbol)
.unwrap_or_else(|| panic!("Failed to find contract_id for {symbol}"));
format!("{channel}-{contract_id}")
}
fn to_candlestick_raw_channel(&self, pair: &str, interval: usize) -> String {
let valid_set: Vec<usize> =
vec![60, 180, 300, 900, 1800, 3600, 7200, 14400, 21600, 43200, 86400, 604800];
if !valid_set.contains(&interval) {
let joined =
valid_set.into_iter().map(|x| x.to_string()).collect::<Vec<String>>().join(",");
panic!("ZBG Swap available intervals {joined}");
}
let contract_id = self
.symbol_id_map
.get(pair)
.unwrap_or_else(|| panic!("Failed to find contract_id for {pair}"));
format!("future_kline-{}-{}", contract_id, interval * 1000)
}
}
impl CommandTranslator for ZbgCommandTranslator {
fn translate_to_commands(&self, subscribe: bool, topics: &[(String, String)]) -> Vec<String> {
topics
.iter()
.map(|(channel, symbol)| {
format!(
r#"{{"action":"{}", "topic":"{}"}}"#,
if subscribe { "sub" } else { "unsub" },
self.to_raw_channel(channel, symbol),
)
})
.collect()
}
fn translate_to_candlestick_commands(
&self,
subscribe: bool,
symbol_interval_list: &[(String, usize)],
) -> Vec<String> {
symbol_interval_list
.iter()
.map(|(symbol, interval)| {
format!(
r#"{{"action":"{}", "topic":"{}"}}"#,
if subscribe { "sub" } else { "unsub" },
self.to_candlestick_raw_channel(symbol, *interval),
)
})
.collect()
}
}
#[cfg(test)]
mod tests {
use crate::common::command_translator::CommandTranslator;
#[tokio::test(flavor = "multi_thread")]
async fn test_one_topic() {
let translator = super::ZbgCommandTranslator::new().await;
let commands = translator
.translate_to_commands(true, &[("future_tick".to_string(), "BTC_USDT".to_string())]);
assert_eq!(1, commands.len());
assert_eq!(r#"{"action":"sub", "topic":"future_tick-1000000"}"#, commands[0]);
}
#[tokio::test(flavor = "multi_thread")]
async fn test_two_topic() {
let translator = super::ZbgCommandTranslator::new().await;
let commands = translator.translate_to_commands(
true,
&[
("future_tick".to_string(), "BTC_USDT".to_string()),
("future_snapshot_depth".to_string(), "ETH_USDT".to_string()),
],
);
assert_eq!(2, commands.len());
assert_eq!(r#"{"action":"sub", "topic":"future_tick-1000000"}"#, commands[0]);
assert_eq!(r#"{"action":"sub", "topic":"future_snapshot_depth-1000002"}"#, commands[1]);
}
#[tokio::test(flavor = "multi_thread")]
async fn test_candlestick() {
let translator = super::ZbgCommandTranslator::new().await;
let commands =
translator.translate_to_candlestick_commands(true, &[("BTC_USDT".to_string(), 60)]);
assert_eq!(1, commands.len());
assert_eq!(r#"{"action":"sub", "topic":"future_kline-1000000-60000"}"#, commands[0]);
}
}