ccxt-pro 4.5.84

// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code

#![allow(unused, non_snake_case, clippy::all)]
use crate::Value;
use crate::get_value;
use crate::runtime::*;
// Base methods are now trait methods (review #1: static dispatch). Bring the
// traits into scope so `self.market(...)`, `self.safe_market(...)`,
// `self.load_markets(...)`, … on this Core resolve to the base defaults.
use crate::exchange_generated::ExchangeBase;
use crate::exchange::ExchangeRuntime;
// Dynamic `this[method](...)` re-entries are emitted as
// `self.call_dynamic_checked(...)` (blanket-impl'd on every Core) so an
// unresolvable name raises NotSupported instead of yielding a silent Null.
use crate::exchange::CallDynamicChecked;
use crate::pro::*;


pub struct LbankCore {
    pub parent: crate::exchanges::lbank::LbankCore,
}

impl LbankCore {
    pub fn new(config: Option<crate::Value>) -> Self {
        let mut s = Self { parent: crate::exchanges::lbank::LbankCore::new(config) };
        s.init();
        s
    }

    pub fn init(&mut self) {
        let described = LbankCore::describe(self);
        self.initialize_properties(described);
        <Self as crate::exchange_generated::ExchangeBase>::after_construct(self);
    }

    /// Compatibility no-op. The old pointer-based dispatch needed a post-move
    /// `bind()`; static trait dispatch (review #1) needs no binding, so this
    /// just exists so callers that still call it keep compiling.
    #[inline]
    pub fn bind(&mut self) {}
}

impl crate::exchange::DerivedExchange for LbankCore {
    fn nonce(&self, ) -> crate::Value {
        crate::exchange::DerivedExchange::nonce(&self.parent)
    }
    fn parse_ticker(&self, ticker: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_ticker(&self.parent, ticker, market)
    }
    fn parse_trade(&self, trade: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_trade(&self.parent, trade, market)
    }
    fn parse_order(&self, order: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_order(&self.parent, order, market)
    }
    fn parse_market(&self, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_market(&self.parent, market)
    }
    fn parse_ohlcv(&self, ohlcv: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_ohlcv(&self.parent, ohlcv, market)
    }
    fn parse_order_book(&self, ob: crate::Value, symbol: crate::Value, ts: crate::Value, bk: crate::Value, ak: crate::Value, pk: crate::Value, ak2: crate::Value, ck: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_order_book(&self.parent, ob, symbol, ts, bk, ak, pk, ak2, ck)
    }
    fn parse_balance(&self, response: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_balance(&self.parent, response)
    }
    fn parse_position(&self, position: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_position(&self.parent, position, market)
    }
    fn parse_funding_rate(&self, rate: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_funding_rate(&self.parent, rate, market)
    }
    fn parse_deposit(&self, tx: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_deposit(&self.parent, tx, currency)
    }
    fn parse_deposit_address(&self, depositAddress: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_deposit_address(&self.parent, depositAddress, currency)
    }
    fn parse_last_price(&self, entry: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_last_price(&self.parent, entry, market)
    }
    fn parse_withdrawal(&self, tx: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_withdrawal(&self.parent, tx, currency)
    }
    fn parse_ledger_entry(&self, entry: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_ledger_entry(&self.parent, entry, currency)
    }
    fn parse_transfer(&self, transfer: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_transfer(&self.parent, transfer, currency)
    }
    fn parse_currency(&self, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_currency(&self.parent, currency)
    }
    fn parse_bid_ask(&self, bidask: crate::Value, price_key: crate::Value, amount_key: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_bid_ask(&self.parent, bidask, price_key, amount_key, market)
    }
    fn parse_open_interest(&self, interest: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_open_interest(&self.parent, interest, market)
    }
    fn parse_liquidation(&self, liquidation: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_liquidation(&self.parent, liquidation, market)
    }
    fn parse_funding_rate_history(&self, entry: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_funding_rate_history(&self.parent, entry, market)
    }
    fn parse_margin_modification(&self, data: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_margin_modification(&self.parent, data, market)
    }
    fn parse_account(&self, account: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_account(&self.parent, account)
    }
    fn parse_my_trade(&self, trade: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_my_trade(&self.parent, trade, market)
    }
    fn parse_transaction(&self, transaction: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_transaction(&self.parent, transaction, currency)
    }
    fn parse_borrow_interest(&self, info: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_borrow_interest(&self.parent, info, market)
    }
    fn parse_adl_rank(&self, info: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_adl_rank(&self.parent, info, market)
    }
    fn parse_income(&self, info: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_income(&self.parent, info, market)
    }
    fn parse_greeks(&self, greeks: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_greeks(&self.parent, greeks, market)
    }
    fn parse_margin_mode(&self, margin_mode: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_margin_mode(&self.parent, margin_mode, market)
    }
    fn parse_conversion(&self, conversion: crate::Value, from_currency: crate::Value, to_currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_conversion(&self.parent, conversion, from_currency, to_currency)
    }
    fn parse_borrow_rate(&self, info: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_borrow_rate(&self.parent, info, currency)
    }
    fn parse_leverage(&self, leverage: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_leverage(&self.parent, leverage, market)
    }
    fn parse_market_leverage_tiers(&self, info: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_market_leverage_tiers(&self.parent, info, market)
    }
    fn parse_deposit_withdraw_fee(&self, fee: crate::Value, currency: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_deposit_withdraw_fee(&self.parent, fee, currency)
    }
    fn parse_prediction_trade(&self, trade: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_prediction_trade(&self.parent, trade, market)
    }
    fn parse_prediction_order(&self, order: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_prediction_order(&self.parent, order, market)
    }
    fn parse_prediction_position(&self, position: crate::Value, market: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::parse_prediction_position(&self.parent, position, market)
    }
    fn create_expired_option_market(&self, symbol: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::create_expired_option_market(&self.parent, symbol)
    }
    fn sign(&self, path: crate::Value, api: crate::Value, method: crate::Value, params: crate::Value, headers: crate::Value, body: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::sign(&self.parent, path, api, method, params, headers, body)
    }
    fn handle_errors(&self, code: crate::Value, reason: crate::Value, url: crate::Value, method: crate::Value, headers: crate::Value, body: crate::Value, response: crate::Value, request_headers: crate::Value, request_body: crate::Value) -> crate::Value {
        crate::exchange::DerivedExchange::handle_errors(&self.parent, code, reason, url, method, headers, body, response, request_headers, request_body)
    }
}

impl crate::exchange_generated::ExchangeBase for LbankCore {
    fn call_dynamic<'a>(&'a mut self, method: &'a str, args: Vec<crate::Value>)
        -> std::pin::Pin<Box<dyn std::future::Future<Output = crate::Value> + Send + 'a>>
    {
        Box::pin(async move {
            match method {
                "authenticate" => self.authenticate(&args[..]).await,
                "fetch_ohlcv_ws" => self.fetch_ohlcv_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "fetch_order_book_ws" => self.fetch_order_book_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "fetch_ticker_ws" => self.fetch_ticker_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "fetch_trades_ws" => self.fetch_trades_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
                "handle_ping" => self.handle_ping(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)).await,
                "parse_ws_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_ticker" => self.parse_ws_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "request_id" => self.request_id(),
                "watch_balance" => self.watch_balance(&args[..]).await,
                "watch_ohlcv" => self.watch_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_orders" => self.watch_orders(&args[..]).await,
                "watch_ticker" => self.watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_trades" => self.watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                // Go-style inheritance: an un-overridden method dispatches to the parent core.
                _ => crate::exchange_generated::ExchangeBase::call_dynamic(&mut self.parent, method, args).await,
            }
        })
    }
}
impl LbankCore {
    /// Synchronous WS handler dispatch — routes a handler-name string (from the
    /// venue's handle_message dispatch table) to the real handler method.
    #[allow(dead_code, unreachable_patterns, clippy::all)]
    pub fn dispatch_ws_handler(&mut self, __name: &crate::Value, args: &[crate::Value]) -> crate::Value {
        let __n = match __name { crate::Value::Str(s) => s.as_ref(), _ => return crate::Value::Null };
        match __n {
            "authenticate" => { crate::exchange_stubs::enqueue_spawn("authenticate", args.to_vec()); crate::Value::Null },
            "check_contract_market" => { self.check_contract_market(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "fetch_ohlcv_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_ohlcv_ws", args.to_vec()); crate::Value::Null },
            "fetch_order_book_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_order_book_ws", args.to_vec()); crate::Value::Null },
            "fetch_ticker_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_ticker_ws", args.to_vec()); crate::Value::Null },
            "fetch_trades_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_trades_ws", args.to_vec()); crate::Value::Null },
            "handle_balance" => { self.handle_balance(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_error_message" => { self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_ohlcv" => { self.handle_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order_book" => { self.handle_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_orders" => { self.handle_orders(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_ping" => { crate::exchange_stubs::enqueue_spawn("handle_ping", args.to_vec()); crate::Value::Null },
            "handle_ticker" => { self.handle_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_trades" => { self.handle_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "parse_ws_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_ticker" => self.parse_ws_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "request_id" => self.request_id(),
            "watch_balance" => { crate::exchange_stubs::enqueue_spawn("watch_balance", args.to_vec()); crate::Value::Null },
            "watch_ohlcv" => { crate::exchange_stubs::enqueue_spawn("watch_ohlcv", args.to_vec()); crate::Value::Null },
            "watch_order_book" => { crate::exchange_stubs::enqueue_spawn("watch_order_book", args.to_vec()); crate::Value::Null },
            "watch_orders" => { crate::exchange_stubs::enqueue_spawn("watch_orders", args.to_vec()); crate::Value::Null },
            "watch_ticker" => { crate::exchange_stubs::enqueue_spawn("watch_ticker", args.to_vec()); crate::Value::Null },
            "watch_trades" => { crate::exchange_stubs::enqueue_spawn("watch_trades", args.to_vec()); crate::Value::Null },
            _ => crate::Value::Null,
        }
    }
}

impl std::ops::Deref for LbankCore {
    type Target = crate::exchange::Exchange;
    fn deref(&self) -> &crate::exchange::Exchange { std::ops::Deref::deref(&self.parent) }
}

impl std::ops::DerefMut for LbankCore {
    fn deref_mut(&mut self) -> &mut crate::exchange::Exchange { std::ops::DerefMut::deref_mut(&mut self.parent) }
}

impl LbankCore {
    pub fn describe(&self) -> Value {
        return self.deep_extend(self.parent.describe(), &[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("has".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Bool(true));
        m.insert("fetchOHLCVWs".to_string(), Value::Bool(true));
        m.insert("fetchOrderBookWs".to_string(), Value::Bool(true));
        m.insert("fetchTickerWs".to_string(), Value::Bool(true));
        m.insert("fetchTradesWs".to_string(), Value::Bool(true));
        m.insert("watchBalance".to_string(), Value::Bool(true));
        m.insert("watchTicker".to_string(), Value::Bool(true));
        m.insert("watchTickers".to_string(), Value::Bool(false));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(false));
        m.insert("watchMyTrades".to_string(), Value::Bool(false));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchOHLCV".to_string(), Value::Bool(true));
    m
}));
        m.insert("urls".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("api".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://www.lbkex.net/ws/V2/".into()));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("watchOHLCV".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("timeframes".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("1m".to_string(), Value::Str("1min".into()));
        m.insert("5m".to_string(), Value::Str("5min".into()));
        m.insert("15m".to_string(), Value::Str("15min".into()));
        m.insert("30m".to_string(), Value::Str("30min".into()));
        m.insert("1h".to_string(), Value::Str("1hr".into()));
        m.insert("4h".to_string(), Value::Str("4hr".into()));
        m.insert("1d".to_string(), Value::Str("day".into()));
        m.insert("1w".to_string(), Value::Str("week".into()));
        m.insert("1M".to_string(), Value::Str("month".into()));
        m.insert("1y".to_string(), Value::Str("year".into()));
    m
}));
    m
}));
    m
}));
        m.insert("streaming".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        m.insert("exceptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
    m
})]);

    Value::Null
}

    pub fn request_id(&mut self) -> Value {
        self.lock_id(&[]);
        let mut previousValue: Value = self.safe_integer_k(self.options.clone(), "requestId", &[Value::Int(0)]);
        let mut newValue: Value = self.sum(&[previousValue, Value::Int(1)]);
        if let Value::Dict(__d) = &mut self.options { std::sync::Arc::make_mut(__d).insert("requestId".into(), newValue.clone()); }
        self.unlock_id(&[]);
        return newValue;

    Value::Null
}

    pub fn check_contract_market(&self, mut market: Value, mut methodName: Value) {
        // the spot ws rejects futures ids and lbank's contract ws protocol is not published,
        // see https://github.com/ccxt/ccxt/issues/26864
        if (market != Value::Null) && (market.as_map().and_then(|__m| __m.get("contract")).cloned().unwrap_or(Value::Null).as_bool() == Some(true)) {
            panic!("{}", crate::exchange_errors::not_supported(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", self.id.clone(), Value::Str(" ".into())).into()), methodName).into()), Value::Str("() does not support ".into())).into()), market.as_map().and_then(|__m| __m.get("type")).cloned().unwrap_or(Value::Null)).into()), Value::Str(" markets yet".into()))));
        }
}

/*
 * @method
 * @name lbank#fetchOHLCVWs
 * @see https://www.lbank.com/en-US/docs/index.html#request-amp-subscription-instruction
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn fetch_ohlcv_ws(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut timeframe = get_arg(optional_args, 0, Value::Str("1m".into()));
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("fetchOHLCVWs".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut watchOHLCVOptions: Value = self.safe_dict_k(self.options.clone(), "watchOHLCV", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timeframes: Value = self.safe_dict_k(watchOHLCVOptions, "timeframes", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timeframeId: Value = self.safe_string(timeframes, timeframe.clone(), &[timeframe.clone()]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("fetchOHLCV:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into()), Value::Str(":".into())).into()), timeframeId).into());
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("request".into()));
                m.insert("request".to_string(), Value::Str("kbar".into()));
                m.insert("kbar".to_string(), timeframeId);
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        if (since != Value::Null) {
            if let Value::Dict(__d) = &mut message { std::sync::Arc::make_mut(__d).insert("start".into(), self.parse_to_int(math_floor(&(match ((since).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null })))); }
        }
        if (limit != Value::Null) {
            if let Value::Dict(__d) = &mut message { std::sync::Arc::make_mut(__d).insert("size".into(), limit); }
        }
        let mut request: Value = self.deep_extend(message, &[params]);
        let mut requestId: Value = self.request_id();
        return self.watch(url, messageHash, &[request.clone(), requestId, request.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name lbank#watchOHLCV
 * @see https://www.lbank.com/en-US/docs/index.html#subscription-of-k-line-data
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn watch_ohlcv(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut timeframe = get_arg(optional_args, 0, Value::Str("1m".into()));
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        self.check_contract_market(market.clone(), Value::Str("watchOHLCV".into()));
        let mut watchOHLCVOptions: Value = self.safe_dict_k(self.options.clone(), "watchOHLCV", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timeframes: Value = self.safe_dict_k(watchOHLCVOptions, "timeframes", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timeframeId: Value = self.safe_string(timeframes, timeframe.clone(), &[timeframe.clone()]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ohlcv:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into()), Value::Str(":".into())).into()), timeframeId).into());
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("kbar".into()));
                m.insert("kbar".to_string(), timeframeId);
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(subscribe, &[params]);
        let mut ohlcv: Value = self.watch(url, messageHash.clone(), &[request, messageHash.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = ohlcv.get_limit(symbol, limit.clone());
        }
        return self.filter_by_since_limit(ohlcv, &[since, limit, Value::Int(0), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_ohlcv(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        // request
        //    {
        //        "records":[
        //           [
        //              1705364400,
        //              42614,
        //              42624.57,
        //              42532.15,
        //              42537.43,
        //              13.2615,
        //              564568.931565,
        //              433
        //           ]
        //        ],
        //        "columns":[
        //           "timestamp",
        //           "open",
        //           "high",
        //           "low",
        //           "close",
        //           "volume",
        //           "turnover",
        //           "count"
        //        ],
        //        "SERVER":"V2",
        //        "count":1,
        //        "kbar":"5min",
        //        "type":"kbar",
        //        "pair":"btc_usdt",
        //        "TS":"2024-01-16T08:29:41.718"
        //    }
        // subscribe
        //      {
        //          SERVER: 'V2',
        //          kbar: {
        //              a: 26415.891476,
        //              c: 19315.51,
        //              t: '2022-10-02T12:44:00.000',
        //              v: 1.3676,
        //              h: 19316.66,
        //              slot: '1min',
        //              l: 19315.51,
        //              n: 1,
        //              o: 19316.66
        //          },
        //          type: 'kbar',
        //          pair: 'btc_usdt',
        //          TS: '2022-10-02T12:44:15.865'
        //      }
        //
        let mut marketId: Value = (match message.get("pair") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut symbol: Value = self.safe_symbol(marketId, &[Value::Null, Value::Str("_".into())]);
        let mut watchOHLCVOptions: Value = self.safe_dict_k(self.options.clone(), "watchOHLCV", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timeframes: Value = self.safe_dict_k(watchOHLCVOptions, "timeframes", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut records: Value = (match message.get("records") { Some(__v) if matches!(__v, Value::Arr(_)) => __v.clone(), _ => Value::Null });
        if (records != Value::Null) {
            let mut rawOHLCV: Value = self.safe_list(records, Value::Int(0), &[Value::from(vec![])]);
            let mut parsed: Value = Value::from(vec![self.safe_integer(rawOHLCV.clone(), Value::Int(0), &[]), self.safe_number(rawOHLCV.clone(), Value::Int(1), &[]), self.safe_number(rawOHLCV.clone(), Value::Int(2), &[]), self.safe_number(rawOHLCV.clone(), Value::Int(3), &[]), self.safe_number(rawOHLCV.clone(), Value::Int(4), &[]), self.safe_number(rawOHLCV.clone(), Value::Int(5), &[])]);
            let mut timeframeId: Value = (match message.get("kbar") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
            let mut timeframe: Value = self.find_timeframe(timeframeId.clone(), &[timeframes.clone()]);
            { let __be_tmp = self.safe_dict(self.ohlcvs.clone(), symbol.clone(), &[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
})]); if let Value::Dict(__d) = &mut self.ohlcvs { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), __be_tmp); } }
            let mut stored: Value = self.safe_value(get_value(&self.ohlcvs, &symbol), timeframe.clone(), &[]);
            if (stored == Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "OHLCVLimit", &[Value::Int(1000)]);
                stored = ArrayCacheByTimestamp::new(limit.clone());
                add_element_to_object(get_value_mut(&mut self.ohlcvs, &symbol), &timeframe, stored.clone());
            }
            stored.append(parsed.clone());
            let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("fetchOHLCV:".into()), symbol).into()), Value::Str(":".into())).into()), timeframeId).into());
            client.resolve(&[stored.clone(), messageHash.clone()]);
        }  else {
            let mut rawOHLCV: Value = (match message.get("kbar") { Some(__v) if matches!(__v, Value::Dict(_)) => __v.clone(), _ => Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}) });
            let mut timeframeId: Value = self.safe_string_k(rawOHLCV.clone(), "slot", &[]);
            let mut datetime: Value = self.safe_string_k(rawOHLCV.clone(), "t", &[]);
            let mut parsed: Value = Value::from(vec![self.parse8601(datetime), self.safe_number_k(rawOHLCV.clone(), "o", &[]), self.safe_number_k(rawOHLCV.clone(), "h", &[]), self.safe_number_k(rawOHLCV.clone(), "l", &[]), self.safe_number_k(rawOHLCV.clone(), "c", &[]), self.safe_number_k(rawOHLCV, "v", &[])]);
            let mut timeframe: Value = self.find_timeframe(timeframeId.clone(), &[timeframes]);
            { let __be_tmp = self.safe_dict(self.ohlcvs.clone(), symbol.clone(), &[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
})]); if let Value::Dict(__d) = &mut self.ohlcvs { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), __be_tmp); } }
            let mut stored: Value = self.safe_value(get_value(&self.ohlcvs, &symbol), timeframe.clone(), &[]);
            if (stored == Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "OHLCVLimit", &[Value::Int(1000)]);
                stored = ArrayCacheByTimestamp::new(limit);
                add_element_to_object(get_value_mut(&mut self.ohlcvs, &symbol), &timeframe, stored.clone());
            }
            stored.append(parsed);
            let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ohlcv:".into()), symbol).into()), Value::Str(":".into())).into()), timeframeId).into());
            client.resolve(&[stored, messageHash]);
        }
}

/*
 * @method
 * @name lbank#fetchTickerWs
 * @see https://www.lbank.com/en-US/docs/index.html#request-amp-subscription-instruction
 * @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn fetch_ticker_ws(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("fetchTickerWs".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("fetchTicker:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("request".into()));
                m.insert("request".to_string(), Value::Str("tick".into()));
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        let mut requestId: Value = self.request_id();
        return self.watch(url, messageHash, &[request.clone(), requestId, request.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name lbank#watchTicker
 * @see https://www.lbank.com/en-US/docs/index.html#market
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/en/latest/manual.html#ticker-structure}
 */
    pub async fn watch_ticker(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("watchTicker".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("ticker:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("tick".into()));
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        return self.watch(url, messageHash.clone(), &[request.clone(), messageHash.clone(), request.clone()]).await;

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        //     {
        //         "tick":{
        //             "to_cny":76643.5,
        //             "high":0.02719761,
        //             "vol":497529.7686,
        //             "low":0.02603071,
        //             "change":2.54,
        //             "usd":299.12,
        //             "to_usd":11083.66,
        //             "dir":"sell",
        //             "turnover":13224.0186,
        //             "latest":0.02698749,
        //             "cny":2068.41
        //         },
        //         "type":"tick",
        //         "pair":"eth_btc",
        //         "SERVER":"V2",
        //         "TS":"2019-07-01T11:33:55.188"
        //     }
        //
        let mut marketId: Value = (match __pro_message.get("pair").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        let mut market: Value = self.safe_market(&[marketId]);
        let mut parsedTicker: Value = self.parse_ws_ticker(message, &[market]);
        if let Value::Dict(__d) = &mut self.tickers { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), parsedTicker.clone()); }
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("ticker:".into()), symbol).into());
        client.resolve(&[parsedTicker.clone(), messageHash.clone()]);
        messageHash = Value::Str(format!("{}{}", Value::Str("fetchTicker:".into()), symbol).into());
        client.resolve(&[parsedTicker, messageHash]);
}

    pub fn parse_ws_ticker(&self, mut ticker: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "tick":{
        //             "to_cny":76643.5,
        //             "high":0.02719761,
        //             "vol":497529.7686,
        //             "low":0.02603071,
        //             "change":2.54,
        //             "usd":299.12,
        //             "to_usd":11083.66,
        //             "dir":"sell",
        //             "turnover":13224.0186,
        //             "latest":0.02698749,
        //             "cny":2068.41
        //         },
        //         "type":"tick",
        //         "pair":"eth_btc",
        //         "SERVER":"V2",
        //         "TS":"2019-07-01T11:33:55.188"
        //     }
        //
        let mut marketId: Value = self.safe_string_k(ticker.clone(), "pair", &[]);
        let mut symbol: Value = self.safe_symbol(marketId, &[market.clone()]);
        let mut datetime: Value = self.safe_string_k(ticker.clone(), "TS", &[]);
        let mut tickerData: Value = self.safe_dict_k(ticker.clone(), "tick", &[]);
        return self.safe_ticker(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("symbol".to_string(), symbol);
        m.insert("timestamp".to_string(), self.parse8601(datetime.clone()));
        m.insert("datetime".to_string(), datetime);
        m.insert("high".to_string(), self.safe_string_k(tickerData.clone(), "high", &[]));
        m.insert("low".to_string(), self.safe_string_k(tickerData.clone(), "low", &[]));
        m.insert("bid".to_string(), Value::Null);
        m.insert("bidVolume".to_string(), Value::Null);
        m.insert("ask".to_string(), Value::Null);
        m.insert("askVolume".to_string(), Value::Null);
        m.insert("vwap".to_string(), Value::Null);
        m.insert("open".to_string(), Value::Null);
        m.insert("close".to_string(), Value::Null);
        m.insert("last".to_string(), self.safe_string_k(tickerData.clone(), "latest", &[]));
        m.insert("previousClose".to_string(), Value::Null);
        m.insert("change".to_string(), Value::Null);
        m.insert("percentage".to_string(), self.safe_string_k(tickerData.clone(), "change", &[]));
        m.insert("average".to_string(), Value::Null);
        m.insert("baseVolume".to_string(), self.safe_string_k(tickerData.clone(), "vol", &[]));
        m.insert("quoteVolume".to_string(), self.safe_string_k(tickerData, "turnover", &[]));
        m.insert("info".to_string(), ticker);
    m
}), &[market]);

    Value::Null
}

/*
 * @method
 * @name lbank#fetchTradesWs
 * @description get the list of most recent trades for a particular symbol
 * @see https://www.lbank.com/en-US/docs/index.html#request-amp-subscription-instruction
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn fetch_trades_ws(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut since = get_arg(optional_args, 0, Value::Null);
        let mut limit = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("fetchTradesWs".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("fetchTrades:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        if (limit == Value::Null) {
            limit = Value::Int(10);
        }
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("request".into()));
                m.insert("request".to_string(), Value::Str("trade".into()));
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
                m.insert("size".to_string(), limit);
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        let mut requestId: Value = self.request_id();
        return self.watch(url, messageHash, &[request.clone(), requestId, request.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name lbank#watchTrades
 * @see https://www.lbank.com/en-US/docs/index.html#trade-record
 * @description get the list of most recent trades for a particular symbol
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn watch_trades(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut since = get_arg(optional_args, 0, Value::Null);
        let mut limit = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("watchTrades".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("trade".into()));
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        let mut trades: Value = self.watch(url, messageHash.clone(), &[request.clone(), messageHash.clone(), request.clone()]).await;
        let mut result: Value = self.filter_by_since_limit(trades, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);
        return self.sort_by(result, Value::Str("timestamp".into()), &[]);

    Value::Null
}

    pub fn handle_trades(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        // request
        //     {
        //         columns: [ 'timestamp', 'price', 'volume', 'direction' ],
        //         SERVER: 'V2',
        //         count: 100,
        //         trades: [],
        //         type: 'trade',
        //         pair: 'btc_usdt',
        //         TS: '2024-01-16T08:48:24.470'
        //     }
        // subscribe
        //     {
        //         "trade":{
        //             "volume":6.3607,
        //             "amount":77148.9303,
        //             "price":12129,
        //             "direction":"sell", // buy, sell, buy_market, sell_market, buy_maker, sell_maker, buy_ioc, sell_ioc, buy_fok, sell_fok
        //             "TS":"2019-06-28T19:55:49.460"
        //         },
        //         "type":"trade",
        //         "pair":"btc_usdt",
        //         "SERVER":"V2",
        //         "TS":"2019-06-28T19:55:49.466"
        //     }
        //
        let mut marketId: Value = (match message.get("pair") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        let mut market: Value = self.safe_market(&[marketId]);
        let mut stored: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
        if (stored == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            stored = ArrayCache::new(limit);
            if let Value::Dict(__d) = &mut self.trades { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), stored.clone()); }
        }
        let mut rawTrade: Value = (match message.get("trade") { Some(__v) if !matches!(__v, Value::Null) && !matches!(__v, Value::Str(__s) if __s.is_empty()) => __v.clone(), _ => Value::Null });
        let mut rawTrades: Value = (match message.get("trades") { Some(__v) if matches!(__v, Value::Arr(_)) => __v.clone(), _ => Value::from(vec![rawTrade]) });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_455: bool = true;
            while { if !__for_first_455 { i = (match (&(i), &(Value::Int(1))) { (Value::Int(x), Value::Int(y)) => Value::Int(x + y), (Value::Int(x), Value::Float(y)) => Value::Float(*x as f64 + *y), (Value::Float(x), Value::Int(y)) => Value::Float(*x + *y as f64), (Value::Float(x), Value::Float(y)) => Value::Float(x + y), _ => Value::Null }); } __for_first_455 = false; i.as_f64().unwrap_or(f64::NAN) < ((rawTrades.len() as i64) as f64) } {
            let mut trade: Value = self.parse_ws_trade(rawTrades.as_array().and_then(|__arr| match &i { Value::Int(__n) => __arr.get(*__n as usize), Value::Str(__s) => __s.parse::<usize>().ok().and_then(|__n| __arr.get(__n)), _ => None }).cloned().unwrap_or(Value::Null), &[market.clone()]);
            add_element_to_object(&mut trade, &Value::Str("symbol".into()), symbol.clone());
            stored.append(trade);
        }
        }
        if let Value::Dict(__d) = &mut self.trades { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), stored); }
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).into());
        client.resolve(&[get_value(&self.trades, &symbol), messageHash.clone()]);
        messageHash = Value::Str(format!("{}{}", Value::Str("fetchTrades:".into()), symbol).into());
        client.resolve(&[get_value(&self.trades, &symbol), messageHash]);
}

    pub fn parse_ws_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        // request
        //    [ 'timestamp', 'price', 'volume', 'direction' ]
        // subscribe
        //    {
        //        "volume":6.3607,
        //        "amount":77148.9303,
        //        "price":12129,
        //        "direction":"sell", // buy, sell, buy_market, sell_market, buy_maker, sell_maker, buy_ioc, sell_ioc, buy_fok, sell_fok
        //        "TS":"2019-06-28T19:55:49.460"
        //    }
        //
        let mut timestamp: Value = self.safe_integer(trade.clone(), Value::Int(0), &[]);
        let mut datetime: Value = (if (timestamp != Value::Null) { (self.iso8601(timestamp.clone())) } else { (self.safe_string_k(trade.clone(), "TS", &[])) });
        if (timestamp == Value::Null) {
            timestamp = self.parse8601(datetime.clone());
        }
        let mut rawSide: Value = self.safe_string2(trade.clone(), Value::Str("direction".into()), Value::Int(3), &[]);
        let mut parts: Value = split(&rawSide, &Value::Str("_".into()));
        let mut firstPart: Value = self.safe_string(parts.clone(), Value::Int(0), &[]);
        let mut secondPart: Option<String> = self.safe_string(parts, Value::Int(1), &[]).as_str().map(str::to_owned);
        let mut side: Value = firstPart;
        // reverse if it was 'maker'
        if (secondPart.is_some()) && (secondPart.as_deref() == Some("maker")) {
            side = (if (side.as_str() == Some("buy")) { Value::Str("sell".into()) } else { Value::Str("buy".into()) });
        }
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("timestamp".to_string(), timestamp);
        m.insert("datetime".to_string(), datetime);
        m.insert("symbol".to_string(), Value::Null);
        m.insert("id".to_string(), Value::Null);
        m.insert("order".to_string(), Value::Null);
        m.insert("type".to_string(), Value::Null);
        m.insert("takerOrMaker".to_string(), Value::Null);
        m.insert("side".to_string(), side);
        m.insert("price".to_string(), self.safe_string2(trade.clone(), Value::Str("price".into()), Value::Int(1), &[]));
        m.insert("amount".to_string(), self.safe_string2(trade.clone(), Value::Str("volume".into()), Value::Int(2), &[]));
        m.insert("cost".to_string(), self.safe_string_k(trade.clone(), "amount", &[]));
        m.insert("fee".to_string(), Value::Null);
        m.insert("info".to_string(), trade);
    m
}), &[market]);

    Value::Null
}

/*
 * @method
 * @name lbank#watchOrders
 * @see https://www.lbank.com/en-US/docs/index.html#update-subscribed-orders
 * @description get the list of trades associated with the user
 * @param {string} [symbol] unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn watch_orders(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut key: Value = self.authenticate(&[params.clone()]).await;
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Null;
        let mut pair: Value = Value::Str("all".into());
        if (symbol == Value::Null) {
            messageHash = Value::Str("orders:all".into());
        }  else {
            let mut market: Value = self.market(symbol.clone());
            symbol = self.symbol(symbol.clone());
            messageHash = Value::Str(format!("{}{}", Value::Str("orders:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
            pair = market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null);
        }
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("orderUpdate".into()));
                m.insert("subscribeKey".to_string(), key);
                m.insert("pair".to_string(), pair);
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        let mut orders: Value = self.watch(url, messageHash.clone(), &[request.clone(), messageHash.clone(), request.clone()]).await;
        return self.filter_by_symbol_since_limit(orders, &[symbol, since, limit, Value::Bool(true)]);

    Value::Null
}

    pub fn handle_orders(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        //     {
        //         "orderUpdate":{
        //             "amount":"0.003",
        //             "orderStatus":2,
        //             "price":"0.02455211",
        //             "role":"maker",
        //             "updateTime":1561704577786,
        //             "uuid":"d0db191d-xxxxx-4418-xxxxx-fbb1xxxx2ea9",
        //             "txUuid":"da88f354d5xxxxxxa12128aa5bdcb3",
        //             "volumePrice":"0.00007365633"
        //         },
        //         "pair":"eth_btc",
        //         "type":"orderUpdate",
        //         "SERVER":"V2",
        //         "TS":"2019-06-28T14:49:37.816"
        //     }
        //
        let mut marketId: Value = (match __pro_message.get("pair").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut symbol: Value = self.safe_symbol(marketId, &[Value::Null, Value::Str("_".into())]);
        let mut myOrders: Value = self.orders.clone();
        if (self.orders.clone() == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
            myOrders = ArrayCacheBySymbolById::new(limit);
        }
        let mut order: Value = self.parse_ws_order(message, &[]);
        if (myOrders == Value::Null) {
            return;
        }
        myOrders.append(order);
        self.orders = myOrders.clone();
        client.resolve(&[myOrders.clone(), Value::Str("orders".into())]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orders:".into()), symbol).into());
        client.resolve(&[myOrders, messageHash]);
}

    pub fn parse_ws_order(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "orderUpdate":{
        //             "amount":"0.003",
        //             "orderStatus":2,
        //             "price":"0.02455211",
        //             "role":"maker",
        //             "updateTime":1561704577786,
        //             "uuid":"d0db191d-xxxxx-4418-xxxxx-fbb1xxxx2ea9",
        //             "txUuid":"da88f354d5xxxxxxa12128aa5bdcb3",
        //             "volumePrice":"0.00007365633"
        //         },
        //         "pair":"eth_btc",
        //         "type":"orderUpdate",
        //         "SERVER":"V2",
        //         "TS":"2019-06-28T14:49:37.816"
        //     }
        //     {
        //         "SERVER": "V2",
        //         "orderUpdate": {
        //            "accAmt": "0",
        //            "amount": "0",
        //            "avgPrice": "0",
        //            "customerID": "",
        //            "orderAmt": "5",
        //            "orderPrice": "0.009834",
        //            "orderStatus": 0,
        //            "price": "0.009834",
        //            "remainAmt": "5",
        //            "role": "taker",
        //            "symbol": "lbk_usdt",
        //            "type": "buy_market",
        //            "updateTime": 1705676718532,
        //            "uuid": "9b94ab2d-a510-4abe-a784-44a9d9c38ec7",
        //            "volumePrice": "0"
        //         },
        //         "type": "orderUpdate",
        //         "pair": "lbk_usdt",
        //         "TS": "2024-01-19T23:05:18.548"
        //     }
        //
        let mut orderUpdate: Value = self.safe_dict_k(order.clone(), "orderUpdate", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut rawType: Value = self.safe_string_k(orderUpdate.clone(), "type", &[Value::Str("".into())]);
        let mut typeParts: Value = split(&rawType, &Value::Str("_".into()));
        let mut side: Value = self.safe_string(typeParts.clone(), Value::Int(0), &[]);
        let mut exchangeType: Option<String> = self.safe_string(typeParts, Value::Int(1), &[]).as_str().map(str::to_owned);
        let mut type_var: Value = Value::Null;
        if (rawType.as_str() != Some("buy")) && (rawType.as_str() != Some("sell")) {
            type_var = (if (exchangeType.as_deref() == Some("market")) { Value::Str("market".into()) } else { Value::Str("limit".into()) });
        }
        let mut marketId: Value = self.safe_string_k(order.clone(), "pair", &[]);
        let mut symbol: Value = self.safe_symbol(marketId, &[market.clone(), Value::Str("_".into())]);
        let mut timestamp: Value = self.safe_integer_k(orderUpdate.clone(), "updateTime", &[]);
        let mut status: Value = self.safe_string_k(orderUpdate.clone(), "orderStatus", &[]);
        let mut orderAmount: Value = self.safe_string_k(orderUpdate.clone(), "orderAmt", &[]);
        let mut cost: Value = Value::Null;
        if (type_var.as_str() == Some("market")) && (side.as_str() == Some("buy")) {
            cost = orderAmount;
        }
        return self.safe_order(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), order);
        m.insert("id".to_string(), self.safe_string_k(orderUpdate.clone(), "uuid", &[]));
        m.insert("clientOrderId".to_string(), self.safe_string_k(orderUpdate.clone(), "customerID", &[]));
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("lastTradeTimestamp".to_string(), Value::Null);
        m.insert("lastUpdateTimestamp".to_string(), self.safe_integer_k(orderUpdate.clone(), "updateTime", &[]));
        m.insert("symbol".to_string(), symbol);
        m.insert("type".to_string(), type_var);
        m.insert("side".to_string(), side);
        m.insert("price".to_string(), self.safe_string2(orderUpdate.clone(), Value::Str("price".into()), Value::Str("orderPrice".into()), &[]));
        m.insert("stopPrice".to_string(), Value::Null);
        m.insert("average".to_string(), self.safe_string_k(orderUpdate.clone(), "avgPrice", &[]));
        m.insert("amount".to_string(), self.safe_string2(orderUpdate.clone(), Value::Str("amount".into()), Value::Str("orderAmt".into()), &[]));
        m.insert("remaining".to_string(), self.safe_string_k(orderUpdate.clone(), "remainAmt", &[]));
        m.insert("filled".to_string(), self.safe_string_k(orderUpdate, "accAmt", &[]));
        m.insert("status".to_string(), self.parse_ws_order_status(status).map(|__s| Value::Str(__s.into())).unwrap_or(Value::Null));
        m.insert("fee".to_string(), Value::Null);
        m.insert("cost".to_string(), cost);
        m.insert("trades".to_string(), Value::Null);
    m
}), &[market]);

    Value::Null
}

    pub fn parse_ws_order_status(&self, mut status: Value) -> Option<String> {
        let mut statuses: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("-1".to_string(), Value::Str("canceled".into()));
                m.insert("0".to_string(), Value::Str("open".into()));
                m.insert("1".to_string(), Value::Str("open".into()));
                m.insert("2".to_string(), Value::Str("closed".into()));
                m.insert("4".to_string(), Value::Str("closed".into()));
            m
        });
        return self.safe_string(statuses, status.clone(), &[status.clone()]).as_str().map(str::to_owned);
}

/*
 * @method
 * @name lbank#watchBalance
 * @description watch balance and get the amount of funds available for trading or funds locked in orders
 * @see https://www.lbank.com/docs/index.html#update-subscribed-asset
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [balance structure]{@link https://docs.ccxt.com/?id=balance-structure}
 */
    pub async fn watch_balance(&mut self, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut key: Value = self.authenticate(&[params.clone()]).await;
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str("balance".into());
        let mut message: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("assetUpdate".into()));
                m.insert("subscribeKey".to_string(), key);
            m
        });
        let mut request: Value = self.deep_extend(message, &[params]);
        return self.watch(url, messageHash.clone(), &[request.clone(), messageHash.clone(), request.clone()]).await;

    Value::Null
}

    pub fn handle_balance(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "data": {
        //             "asset": "114548.31881315",
        //             "assetCode": "usdt",
        //             "free": "97430.6739041",
        //             "freeze": "17117.64490905",
        //             "time": 1627300043270,
        //             "type": "ORDER_CREATE"
        //         },
        //         "SERVER": "V2",
        //         "type": "assetUpdate",
        //         "TS": "2021-07-26T19:48:03.548"
        //     }
        //
        let mut data: Value = (match message.get("data") { Some(__v) if matches!(__v, Value::Dict(_)) => __v.clone(), _ => Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}) });
        let mut timestamp: Value = self.parse8601((match message.get("TS") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null }));
        let mut datetime: Value = self.iso8601(timestamp.clone());
        if let Value::Dict(__d) = &mut self.balance { std::sync::Arc::make_mut(__d).insert("info".into(), data.clone()); }
        if let Value::Dict(__d) = &mut self.balance { std::sync::Arc::make_mut(__d).insert("timestamp".into(), timestamp); }
        if let Value::Dict(__d) = &mut self.balance { std::sync::Arc::make_mut(__d).insert("datetime".into(), datetime); }
        let mut currencyId: Value = self.safe_string_k(data.clone(), "assetCode", &[]);
        let mut code: Value = self.safe_currency_code(currencyId, &[]);
        let mut account: Value = self.account();
        if let Value::Dict(__d) = &mut account { std::sync::Arc::make_mut(__d).insert("free".into(), self.safe_string_k(data.clone(), "free", &[])); }
        if let Value::Dict(__d) = &mut account { std::sync::Arc::make_mut(__d).insert("used".into(), self.safe_string_k(data.clone(), "freeze", &[])); }
        if let Value::Dict(__d) = &mut account { std::sync::Arc::make_mut(__d).insert("total".into(), self.safe_string_k(data, "asset", &[])); }
        if (code != Value::Null) {
            if let Value::Dict(__d) = &mut self.balance { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&code), account); }
        }
        { let __t = self.safe_balance(self.balance.clone()); self.balance = __t; }
        client.resolve(&[self.balance.clone(), Value::Str("balance".into())]);
}

/*
 * @method
 * @name lbank#fetchOrderBookWs
 * @see https://www.lbank.com/en-US/docs/index.html#request-amp-subscription-instruction
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int|undefined} limit the maximum amount of order book entries to return
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-book-structure} indexed by market symbols
 */
    pub async fn fetch_order_book_ws(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut limit = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("fetchOrderBookWs".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("fetchOrderbook:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        if (limit == Value::Null) {
            limit = Value::Int(100);
        }
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("request".into()));
                m.insert("request".to_string(), Value::Str("depth".into()));
                m.insert("depth".to_string(), limit.clone());
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(subscribe, &[params]);
        let mut orderbook: Value = self.watch(url, messageHash.clone(), &[request, messageHash.clone()]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name lbank#watchOrderBook
 * @see https://www.lbank.com/en-US/docs/index.html#market-depth
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int|undefined} limit the maximum amount of order book entries to return
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object} an [order book structure]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn watch_order_book(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut limit = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol);
        self.check_contract_market(market.clone(), Value::Str("watchOrderBook".into()));
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        params = self.omit(params.clone(), Value::Str("aggregation".into()), &[]);
        if (limit == Value::Null) {
            limit = Value::Int(100);
        }
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("action".to_string(), Value::Str("subscribe".into()));
                m.insert("subscribe".to_string(), Value::Str("depth".into()));
                m.insert("depth".to_string(), limit.clone());
                m.insert("pair".to_string(), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null));
            m
        });
        let mut request: Value = self.deep_extend(subscribe, &[params]);
        let mut orderbook: Value = self.watch(url, messageHash.clone(), &[request, messageHash.clone()]).await;
        return orderbook.limit();

    Value::Null
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        // request
        //    {
        //        "SERVER":"V2",
        //        "asks":[
        //           [
        //              42585.84,
        //              1.4422
        //           ],
        //           ...
        //        ],
        //        "bids":[
        //           [
        //              42585.83,
        //              1.8054
        //           ],
        //          ,,,
        //        ],
        //        "count":100,
        //        "type":"depth",
        //        "pair":"btc_usdt",
        //        "TS":"2024-01-16T08:26:00.413"
        //    }
        // subscribe
        //     {
        //         "depth": {
        //             "asks": [
        //                 [
        //                     0.0252,
        //                     0.5833
        //                 ],
        //                 [
        //                     0.025215,
        //                     4.377
        //                 ],
        //                 ...
        //             ],
        //             "bids": [
        //                 [
        //                     0.025135,
        //                     3.962
        //                 ],
        //                 [
        //                     0.025134,
        //                     3.46
        //                 ],
        //                 ...
        //             ]
        //         },
        //         "count": 100,
        //         "type": "depth",
        //         "pair": "eth_btc",
        //         "SERVER": "V2",
        //         "TS": "2019-06-28T17:49:22.722"
        //     }
        //
        let mut marketId: Value = (match __pro_message.get("pair").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut symbol: Value = self.safe_symbol(marketId, &[]);
        let mut orderBook: Value = self.safe_value_k(message.clone(), "depth", &[message.clone()]);
        let mut datetime: Value = (match __pro_message.get("TS").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut timestamp: Value = self.parse8601(datetime);
        // let orderbook = this.safeValue (this.orderbooks, symbol);
        if !(in_op(&self.orderbooks, &symbol)) {
            { let __be_tmp = self.order_book(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
})]); if let Value::Dict(__d) = &mut self.orderbooks { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), __be_tmp); } }
        }
        let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
        let mut snapshot: Value = self.parse_order_book(orderBook, symbol.clone(), &[timestamp, Value::Str("bids".into()), Value::Str("asks".into())]);
        orderbook.reset(snapshot);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into());
        client.resolve(&[orderbook.clone(), messageHash.clone()]);
        messageHash = Value::Str(format!("{}{}", Value::Str("fetchOrderbook:".into()), symbol).into());
        client.resolve(&[orderbook, messageHash]);
}

    pub fn handle_error_message(&self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //    {
        //        SERVER: 'V2',
        //        message: "Missing parameter ['kbar']",
        //        status: 'error',
        //        TS: '2024-01-16T08:09:43.314'
        //    }
        //
        let mut errMsg: Value = (match message.get("message") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Str("".into()) });
        let mut error = Value::from(crate::exchange_errors::exchange_error(format!("{}{}", Value::Str(format!("{}{}", self.id.clone(), Value::Str(" ".into())).into()), errMsg)));
        client.reject(&[Value::from(error)]);
}

    pub async fn handle_ping(&mut self, mut client: Value, mut message: Value) -> Value {
        //
        //  { ping: 'a13a939c-5f25-4e06-9981-93cb3b890707', action: 'ping' }
        //
        // lbank closes the socket if this app-level ping is unanswered within a minute, but does not
        // reliably answer RFC 6455 ping frames; treat the inbound ping as a pong so keepAlive doesn't tear down a healthy socket
        crate::set_value(&mut client, &Value::Str("lastPong".into()), self.milliseconds());
        let mut pingId: Value = self.safe_string_k(message, "ping", &[]);
        let _try_result = futures::FutureExt::catch_unwind(std::panic::AssertUnwindSafe(async {
            client.send(&[Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("action".to_string(), Value::Str("pong".into()));
                    m.insert("pong".to_string(), pingId);
                m
            })]);
         #[allow(unreachable_code)] { Value::Null }})).await;
if let Err(_try_err) = _try_result { let e: Value = panic_to_value(_try_err);
            self.on_error(&[client, e]);
        }

    Value::Null
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        let mut status: Option<String> = (match __pro_message.get("status").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null }).as_str().map(str::to_owned);
        if (status.as_deref() == Some("error")) {
            self.handle_error_message(client.clone(), message.clone());
            return;
        }
        let mut type_var: Value = self.safe_string2(message.clone(), Value::Str("type".into()), Value::Str("action".into()), &[]);
        if (type_var.as_str() == Some("ping")) {
            self.spawn(&[Value::Str("handle_ping".into()).clone(), client.clone(), message.clone()]);
            return;
        }
        let mut handlers: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("kbar".to_string(), Value::Str("handle_ohlcv".into()).clone());
                m.insert("depth".to_string(), Value::Str("handle_order_book".into()).clone());
                m.insert("trade".to_string(), Value::Str("handle_trades".into()).clone());
                m.insert("tick".to_string(), Value::Str("handle_ticker".into()).clone());
                m.insert("orderUpdate".to_string(), Value::Str("handle_orders".into()).clone());
                m.insert("assetUpdate".to_string(), Value::Str("handle_balance".into()).clone());
            m
        });
        let mut handler: Value = self.safe_value(handlers, type_var, &[]);
        if (handler != Value::Null) {
            self.dispatch_ws_handler(&handler, &[client, message]);
        }
}

    pub async fn authenticate(&mut self, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        // single-flight leader election, see https://github.com/ccxt/ccxt/issues/29393:
        // concurrent watchOrders/watchBalance callers would each POST subscribe/get_key or
        // subscribe/refresh_key and burn rate limit on a subscribeKey that is immediately
        // overwritten. the flight lives in client.futures of this exchange's own ws client under
        // a key that is not a messageHash, and settles via client.resolve / client.reject only
        self.check_required_credentials(&[]);
        let mut url: Value = self.urls.as_map().and_then(|__m| __m.get("api")).cloned().unwrap_or(Value::Null).as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null);
        let mut client: Value = self.client(&[url]);
        let mut now: Value = self.milliseconds();
        let mut messageHash: Value = Value::Str("authenticateFlight".into());
        if (in_op(&get_value(&client, &Value::Str("futures".into())), &messageHash)) {
            // a flight is already in progress - wake when the leader settles
            // it: the subscribeKey is then in the bucket
            crate::exchange_stubs::ws_await_flight(&client.future(&[messageHash.clone()])).await;
            return crate::value::get_value_k(&get_value(&client, &Value::Str("subscriptions".into())).as_map().and_then(|__m| __m.get("authenticated")).cloned().unwrap_or(Value::Null), "key");
        }
        let mut future: Value = client.reusable_future(messageHash.clone());
        let _try_result = futures::FutureExt::catch_unwind(std::panic::AssertUnwindSafe(async {
            let mut authenticated: Value = self.safe_dict(get_value(&client, &Value::Str("subscriptions".into())), Value::Str("authenticated".into()), &[]);
            if (authenticated == Value::Null) {
                let mut response: Value = self.parent.spot_private_post_subscribe_get_key(&[params.clone()]).await;
                //
                // {"result":true,"data":"4e9958623e6006bd7b13ff9f36c03b36132f0f8da37f70b14ff2c4eab1fe0c97","error_code":0,"ts":1705602277198}
                //
                let mut result: Value = self.safe_bool_k(response.clone(), "result", &[]);
                if (result.as_bool() != Some(true)) {
                    panic!("{}", crate::exchange_errors::exchange_error(format!("{}{}", self.id.clone(), Value::Str(" failed to get subscribe key".into()))));
                }
                add_element_to_object(&mut get_value(&client, &Value::Str("subscriptions".into())), &Value::Str("authenticated".into()), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("key".to_string(), self.safe_string_k(response.clone(), "data", &[]));
        m.insert("expires".to_string(), self.sum(&[now.clone(), Value::Int(3300000)]));
    m
}));
            }  else {
                let mut expires: Value = self.safe_integer_k(authenticated.clone(), "expires", &[Value::Int(0)]);
                if expires.as_f64().unwrap_or(f64::NAN) < now.as_f64().unwrap_or(f64::NAN) {
                    let mut request: Value = Value::Map({
                        let mut m = indexmap::IndexMap::new();
                            m.insert("subscribeKey".to_string(), authenticated.as_map().and_then(|__m| __m.get("key")).cloned().unwrap_or(Value::Null));
                        m
                    });
                    let __ws_arg_0 = self.extend(request, &[params]);
                    let mut response: Value = self.parent.spot_private_post_subscribe_refresh_key(&[__ws_arg_0]).await;
                    //
                    //    {"result": "true"}
                    //
                    let mut result: Value = self.safe_string_k(response, "result", &[]);
                    if (result.as_str() != Some("true")) {
                        panic!("{}", crate::exchange_errors::exchange_error(format!("{}{}", self.id.clone(), Value::Str(" failed to refresh the SubscribeKey".into()))));
                    }
                    add_element_to_object(get_value_mut(get_value_mut(&mut client, &Value::Str("subscriptions".into())), &Value::Str("authenticated".into())), &Value::Str("expires".into()), self.sum(&[now, Value::Int(3300000)])); // SubscribeKey lasts one hour, refresh it 5 minutes before it expires
                }
            }
            // settle the flight through the client so that every write to the
            // futures map happens inside the base class
            client.resolve(&[crate::value::get_value_k(&crate::value::get_value_k(&get_value(&client, &Value::Str("subscriptions".into())), "authenticated"), "key"), messageHash.clone()]);
         #[allow(unreachable_code)] { Value::Null }})).await;
if let Err(_try_err) = _try_result { let e: Value = panic_to_value(_try_err);
            // reject the flight - all waiters throw and the next caller
            // re-leads instead of deadlocking on a dead flight
            client.reject(&[e, messageHash]);
        }
        // rethrows a rejected flight to the leader and attaches the handler
        // that keeps an alone leader from crashing on an unhandled rejection
        crate::exchange_stubs::ws_await_flight(&future).await;
        return crate::value::get_value_k(&get_value(&client, &Value::Str("subscriptions".into())).as_map().and_then(|__m| __m.get("authenticated")).cloned().unwrap_or(Value::Null), "key");

    Value::Null
}
}