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use async_trait::async_trait;
use std::{
collections::HashMap,
time::{SystemTime, UNIX_EPOCH},
};
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 serde_json::Value;
use super::EXCHANGE_NAME;
const WEBSOCKET_URL: &str = "wss://wsapi.bitz.plus/";
pub struct BitzSpotWSClient {
client: WSClientInternal<BitzMessageHandler>,
translator: BitzCommandTranslator,
}
impl_new_constructor!(
BitzSpotWSClient,
EXCHANGE_NAME,
WEBSOCKET_URL,
BitzMessageHandler {},
BitzCommandTranslator {}
);
#[rustfmt::skip]
impl_trait!(Trade, BitzSpotWSClient, subscribe_trade, "order");
#[rustfmt::skip]
impl_trait!(OrderBook, BitzSpotWSClient, subscribe_orderbook, "depth");
#[rustfmt::skip]
impl_trait!(Ticker, BitzSpotWSClient, subscribe_ticker, "market");
impl_candlestick!(BitzSpotWSClient);
panic_bbo!(BitzSpotWSClient);
panic_l2_topk!(BitzSpotWSClient);
panic_l3_orderbook!(BitzSpotWSClient);
impl_ws_client_trait!(BitzSpotWSClient);
struct BitzMessageHandler {}
struct BitzCommandTranslator {}
impl MessageHandler for BitzMessageHandler {
fn handle_message(&mut self, msg: &str) -> MiscMessage {
if msg == "pong" {
return MiscMessage::Pong;
}
let obj = serde_json::from_str::<HashMap<String, Value>>(msg).unwrap();
if obj.contains_key("action")
&& obj.get("action").unwrap().as_str().unwrap().starts_with("Pushdata.")
{
MiscMessage::Normal
} else if obj.contains_key("status") {
let status = obj.get("status").unwrap().as_i64().unwrap();
match status {
-101001 => {
error!("Subscription type parameter error: {}", msg);
panic!("Subscription type parameter error: {msg}");
}
-101002 => {
error!("Fail to get subscribed symbol of trading pair: {}", msg);
panic!("Fail to get subscribed symbol of trading pair: {msg}");
}
-101003 => {
error!("k-line scale resolution error: {}", msg);
panic!("k-line scale resolution error: {msg}");
}
_ => warn!("Received {} from {}", msg, EXCHANGE_NAME),
}
MiscMessage::Other
} 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()), 10))
}
}
impl BitzCommandTranslator {
fn symbol_channels_to_command(pair: &str, channels: &[String], subscribe: bool) -> String {
format!(
r#"{{"action":"Topic.{}", "data":{{"symbol":"{}", "type":"{}", "_CDID":"100002", "dataType":"1"}}, "msg_id":{}}}"#,
if subscribe { "sub" } else { "unsub" },
pair,
channels.join(","),
SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_millis(),
)
}
fn to_candlestick_command(symbol: &str, interval: usize, subscribe: bool) -> String {
let interval_str = match interval {
60 => "1min",
300 => "5min",
900 => "15min",
1800 => "30min",
3600 => "60min",
14400 => "4hour",
86400 => "1day",
432000 => "5day",
604800 => "1week",
2592000 => "1mon",
_ => panic!(
"Bitz available intervals 1min,5min,15min,30min,60min,4hour,1day,5day,1week,1mon"
),
};
format!(
r#"{{"action":"Topic.{}", "data":{{"symbol":"{}", "type":"kline", "resolution":"{}", "_CDID":"100002", "dataType":"1"}}, "msg_id":{}}}"#,
if subscribe { "sub" } else { "unsub" },
symbol,
interval_str,
SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_millis(),
)
}
}
impl CommandTranslator for BitzCommandTranslator {
fn translate_to_commands(&self, subscribe: bool, topics: &[(String, String)]) -> Vec<String> {
let mut commands: Vec<String> = Vec::new();
let mut symbol_channels = HashMap::<String, Vec<String>>::new();
for (channel, symbol) in topics {
match symbol_channels.get_mut(symbol) {
Some(channels) => channels.push(channel.to_string()),
None => {
symbol_channels.insert(symbol.to_string(), vec![channel.to_string()]);
}
}
}
for (symbol, channels) in symbol_channels.iter() {
commands.push(Self::symbol_channels_to_command(symbol, channels, subscribe));
}
commands
}
fn translate_to_candlestick_commands(
&self,
subscribe: bool,
symbol_interval_list: &[(String, usize)],
) -> Vec<String> {
symbol_interval_list
.iter()
.map(|(symbol, interval)| Self::to_candlestick_command(symbol, *interval, subscribe))
.collect::<Vec<String>>()
}
}