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use crate::WSClient;
use std::collections::HashMap;
use super::ws_client_internal::WSClientInternal;
use serde_json::{json, Value};
pub(super) const EXCHANGE_NAME: &str = "Binance";
const SPOT_WEBSOCKET_URL: &str = "wss://stream.binance.com:9443/stream";
const FUTURES_WEBSOCKET_URL: &str = "wss://fstream.binance.com/stream";
const DELIVERY_WEBSOCKET_URL: &str = "wss://dstream.binance.com/stream";
pub struct BinanceSpotWSClient<'a> {
client: WSClientInternal<'a>,
}
pub struct BinanceFuturesWSClient<'a> {
client: WSClientInternal<'a>,
}
pub struct BinanceDeliveryWSClient<'a> {
client: WSClientInternal<'a>,
}
fn serialize_command(channels: &[String], subscribe: bool) -> Vec<String> {
let mut object = HashMap::<&str, Value>::new();
object.insert(
"method",
serde_json::to_value(if subscribe {
"SUBSCRIBE"
} else {
"UNSUBSCRIBE"
})
.unwrap(),
);
object.insert("params", json!(channels));
object.insert("id", json!(9527));
vec![serde_json::to_string(&object).unwrap()]
}
define_client!(
BinanceSpotWSClient,
EXCHANGE_NAME,
SPOT_WEBSOCKET_URL,
serialize_command
);
define_client!(
BinanceFuturesWSClient,
EXCHANGE_NAME,
FUTURES_WEBSOCKET_URL,
serialize_command
);
define_client!(
BinanceDeliveryWSClient,
EXCHANGE_NAME,
DELIVERY_WEBSOCKET_URL,
serialize_command
);