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 BitstampCore {
    pub parent: crate::exchanges::bitstamp::BitstampCore,
}

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

    pub fn init(&mut self) {
        let described = BitstampCore::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 BitstampCore {
    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 BitstampCore {
    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,
                "get_cache_index" => self.get_cache_index(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(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)),
                "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 },
                "parse_ws_my_trade" => self.parse_ws_my_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_order" => self.parse_ws_order(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())..]),
                "prune_cached_by_symbols" => self.prune_cached_by_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null)),
                "subscribe_private" => self.subscribe_private(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), &args[2.min(args.len())..]).await,
                "un_watch_channel" => self.un_watch_channel(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args[4.min(args.len())..]).await,
                "un_watch_my_trades" => self.un_watch_my_trades(&args[..]).await,
                "un_watch_order_book" => self.un_watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "un_watch_orders" => self.un_watch_orders(&args[..]).await,
                "un_watch_trades" => self.un_watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_funding_rate" => self.watch_funding_rate(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_my_trades" => self.watch_my_trades(&args[..]).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_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 BitstampCore {
    /// 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 },
            "get_cache_index" => self.get_cache_index(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_bid_asks" => { self.handle_bid_asks(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_delta" => { self.handle_delta(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)),
            "handle_funding_rate" => { self.handle_funding_rate(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_my_trades" => { self.handle_my_trades(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_order_book_subscription" => { self.handle_order_book_subscription(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_subject" => { self.handle_subject(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_subscription_status" => { self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_trade" => { self.handle_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_unsubscription_status" => { self.handle_unsubscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "parse_ws_my_trade" => self.parse_ws_my_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_order" => self.parse_ws_order(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())..]),
            "prune_cached_by_symbols" => self.prune_cached_by_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null)),
            "subscribe_private" => { crate::exchange_stubs::enqueue_spawn("subscribe_private", args.to_vec()); crate::Value::Null },
            "un_watch_channel" => { crate::exchange_stubs::enqueue_spawn("un_watch_channel", args.to_vec()); crate::Value::Null },
            "un_watch_my_trades" => { crate::exchange_stubs::enqueue_spawn("un_watch_my_trades", args.to_vec()); crate::Value::Null },
            "un_watch_order_book" => { crate::exchange_stubs::enqueue_spawn("un_watch_order_book", args.to_vec()); crate::Value::Null },
            "un_watch_orders" => { crate::exchange_stubs::enqueue_spawn("un_watch_orders", args.to_vec()); crate::Value::Null },
            "un_watch_trades" => { crate::exchange_stubs::enqueue_spawn("un_watch_trades", args.to_vec()); crate::Value::Null },
            "watch_funding_rate" => { crate::exchange_stubs::enqueue_spawn("watch_funding_rate", args.to_vec()); crate::Value::Null },
            "watch_my_trades" => { crate::exchange_stubs::enqueue_spawn("watch_my_trades", 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_trades" => { crate::exchange_stubs::enqueue_spawn("watch_trades", args.to_vec()); crate::Value::Null },
            _ => crate::Value::Null,
        }
    }
}

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

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

impl BitstampCore {
    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("watchBalance".to_string(), Value::Bool(false));
        m.insert("watchFundingRate".to_string(), Value::Bool(true));
        m.insert("watchFundingRates".to_string(), Value::Bool(false));
        m.insert("watchMyTrades".to_string(), Value::Bool(true));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(false));
        m.insert("watchOHLCV".to_string(), Value::Bool(false));
        m.insert("watchTicker".to_string(), Value::Bool(false));
        m.insert("watchTickers".to_string(), Value::Bool(false));
        m.insert("unWatchMyTrades".to_string(), Value::Bool(true));
        m.insert("unWatchOrderBook".to_string(), Value::Bool(true));
        m.insert("unWatchOrders".to_string(), Value::Bool(true));
        m.insert("unWatchTrades".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://ws.bitstamp.net".into()));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("expiresIn".to_string(), Value::Str("".into()));
        m.insert("userId".to_string(), Value::Str("".into()));
        m.insert("wsSessionToken".to_string(), Value::Str("".into()));
        m.insert("watchOrderBook".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("snapshotDelay".to_string(), Value::Int(6));
        m.insert("snapshotMaxRetries".to_string(), Value::Int(3));
    m
}));
        m.insert("tradesLimit".to_string(), Value::Int(1000));
        m.insert("OHLCVLimit".to_string(), Value::Int(1000));
    m
}));
        m.insert("exceptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("exact".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("4009".to_string(), Value::Str("AuthenticationError".into()).clone());
    m
}));
    m
}));
    m
})]);

    Value::Null
}

/*
 * @method
 * @name bitstamp#watchOrderBook
 * @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} [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.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into());
        let mut channel: Value = Value::Str(format!("{}{}", Value::Str("diff_order_book_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).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 request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".into()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel);
    m
}));
            m
        });
        let mut message: Value = self.extend(request, &[params]);
        let mut orderbook: Value = self.watch(url, messageHash.clone(), &[message, messageHash.clone()]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name bitstamp#unWatchOrderBook
 * @description unsubscribe from the order book channel
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified symbol of the market to unwatch the order book for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {any} status of the unwatch request
 */
    pub async fn un_watch_order_book(&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.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut channel: Value = Value::Str(format!("{}{}", Value::Str("diff_order_book_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut subHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into());
        return self.un_watch_channel(channel, subHash, Value::Str("orderbook".into()), Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

/*
 * @ignore
 * @method
 * @description sends an unsubscribe request for a channel and cleans the related caches on confirmation
 * @param {string} channel the raw channel name to unsubscribe from
 * @param {string} subHash the subscription hash whose future and cache entry should be cleaned
 * @param {string} topic the cache topic, one of 'trades', 'orderbook', 'orders' or 'myTrades'
 * @param {string[]} symbols the symbols to clean from the cache
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {any} status of the unwatch request
 */
    pub async fn un_watch_channel(&mut self, mut channel: Value, mut subHash: Value, mut topic: Value, mut symbols: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        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 unsubHash: Value = Value::Str(format!("{}{}", Value::Str("unsubscribe:".into()), channel).into());
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:unsubscribe".into()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel);
    m
}));
            m
        });
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("subHash".to_string(), subHash);
                m.insert("topic".to_string(), topic);
                m.insert("symbols".to_string(), symbols);
            m
        });
        let __ws_arg_0 = self.extend(request, &[params]);
        return self.watch(url, unsubHash.clone(), &[__ws_arg_0, unsubHash.clone(), subscription]).await;

    Value::Null
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        // initial snapshot is fetched with ccxt's fetchOrderBook
        // the feed does not include a snapshot, just the deltas
        //
        //     {
        //         "data": {
        //             "timestamp": "1583656800",
        //             "microtimestamp": "1583656800237527",
        //             "bids": [
        //                 ["8732.02", "0.00002478", "1207590500704256"],
        //                 ["8729.62", "0.01600000", "1207590502350849"],
        //                 ["8727.22", "0.01800000", "1207590504296448"],
        //             ],
        //             "asks": [
        //                 ["8735.67", "2.00000000", "1207590693249024"],
        //                 ["8735.67", "0.01700000", "1207590693634048"],
        //                 ["8735.68", "1.53294500", "1207590692048896"],
        //             ],
        //         },
        //         "event": "data",
        //         "channel": "diff_order_book_btcusd"
        //     }
        //
        let mut channel: Value = (match message.get("channel") { 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 });
        if (channel == Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".into()));
        let mut marketId: Value = self.safe_string(parts, Value::Int(3), &[]);
        let mut symbol: Value = self.safe_symbol(marketId, &[]);
        let mut storedOrderBook: Value = self.safe_value(self.orderbooks.clone(), symbol.clone(), &[]);
        let mut nonce: Value = self.safe_integer_k(storedOrderBook.clone(), "nonce", &[]);
        let mut delta: Value = (match message.get("data") { Some(__v) if matches!(__v, Value::Dict(_)) => __v.clone(), _ => Value::Null });
        let mut deltaNonce: Value = self.safe_integer_k(delta.clone(), "microtimestamp", &[]);
        if (deltaNonce == Value::Null) {
            return;
        }
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into());
        if (nonce == Value::Null) {
            let mut cacheLength: Value = get_array_length(&get_value(&storedOrderBook, &Value::Str("cache".into())));
            // the rest API is very delayed
            // usually it takes at least 4-5 deltas to resolve
            let mut snapshotDelay: Value = self.handle_option(Value::Str("watchOrderBook".into()), Value::Str("snapshotDelay".into()), &[Value::Int(6)]);
            if is_equal(&cacheLength, &snapshotDelay) {
                self.spawn(&[Value::Str("load_order_book".into()).clone(), client.clone(), messageHash.clone(), symbol, Value::Null, Value::Map({
                    let mut m = indexmap::IndexMap::new();
                    m
                })]);
            }
            crate::runtime::append_to_object_array(&mut storedOrderBook, &Value::Str("cache".into()), delta.clone());
            return;
        }  else if nonce.as_f64().unwrap_or(f64::NAN) >= deltaNonce.as_f64().unwrap_or(f64::NAN) {
            return;
        }
        self.handle_delta(storedOrderBook.clone(), delta);
        client.resolve(&[storedOrderBook, messageHash]);
}

    pub fn handle_delta(&self, mut orderbook: Value, mut delta: Value) {
        let mut timestamp: Value = self.safe_timestamp_k(delta.clone(), "timestamp", &[]);
        add_element_to_object(&mut orderbook, &Value::Str("timestamp".into()), timestamp.clone());
        add_element_to_object(&mut orderbook, &Value::Str("datetime".into()), self.iso8601(timestamp));
        add_element_to_object(&mut orderbook, &Value::Str("nonce".into()), self.safe_integer_k(delta.clone(), "microtimestamp", &[]));
        let mut bids: Value = self.safe_list_k(delta.clone(), "bids", &[Value::from(vec![])]);
        let mut asks: Value = self.safe_list_k(delta, "asks", &[Value::from(vec![])]);
        let mut storedBids: Value = crate::value::get_value_k(&orderbook, "bids");
        let mut storedAsks: Value = crate::value::get_value_k(&orderbook, "asks");
        self.handle_bid_asks(storedBids, bids);
        self.handle_bid_asks(storedAsks, asks);
}

    pub fn handle_bid_asks(&self, mut bookSide: Value, mut bidAsks: Value) {
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_139: bool = true;
            while { if !__for_first_139 { 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_139 = false; i.as_f64().unwrap_or(f64::NAN) < ((bidAsks.len() as i64) as f64) } {
            let mut bidAsk: Value = self.parse_order_book_bid_ask(bidAsks.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), &[]);
            bookSide.store_array(bidAsk);
        }
        }
}

    pub fn get_cache_index(&self, mut orderbook: Value, mut deltas: Value) -> Value {
        // we will consider it a fail
        let mut firstElement: Value = get_value(&deltas, &Value::Int(0));
        let mut firstElementNonce: Value = self.safe_integer_k(firstElement, "microtimestamp", &[]);
        if (firstElementNonce == Value::Null) {
            return Value::Int(-1);
        }
        let mut nonce: Value = self.safe_integer_k(orderbook, "nonce", &[]);
        if (nonce == Value::Null) || (nonce.as_f64().unwrap_or(f64::NAN) < firstElementNonce.as_f64().unwrap_or(f64::NAN)) {
            return Value::Int(-1);
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_140: bool = true;
            while { if !__for_first_140 { 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_140 = false; i.as_f64().unwrap_or(f64::NAN) < get_array_length(&deltas).as_f64().unwrap_or(f64::NAN) } {
            let mut delta: Value = get_value(&deltas, &i);
            let mut delta: Value = get_value(&deltas, &i);
            let mut deltaNonce: Value = self.safe_integer_k(delta, "microtimestamp", &[]);
            if (deltaNonce.as_f64() == nonce.as_f64()) {
                return (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 });
            }
        }
        }
        return get_array_length(&deltas);

    Value::Null
}

/*
 * @method
 * @name bitstamp#watchTrades
 * @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.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).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 channel: Value = Value::Str(format!("{}{}", Value::Str("live_trades_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".into()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel);
    m
}));
            m
        });
        let mut message: Value = self.extend(request, &[params]);
        let mut trades: Value = self.watch(url, messageHash.clone(), &[message, messageHash.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol, limit.clone());
        }
        return self.filter_by_since_limit(trades, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name bitstamp#unWatchTrades
 * @description unsubscribe from the trades channel
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified symbol of the market to unwatch the trades for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {any} status of the unwatch request
 */
    pub async fn un_watch_trades(&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.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut channel: Value = Value::Str(format!("{}{}", Value::Str("live_trades_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut subHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).into());
        return self.un_watch_channel(channel, subHash, Value::Str("trades".into()), Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

    pub fn parse_ws_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "buy_order_id": 1211625836466176,
        //         "amount_str": "1.08000000",
        //         "timestamp": "1584642064",
        //         "microtimestamp": "1584642064685000",
        //         "id": 108637852,
        //         "amount": 1.08,
        //         "sell_order_id": 1211625840754689,
        //         "price_str": "6294.77",
        //         "type": 1,
        //         "price": 6294.77
        //     }
        //
        let mut microtimestamp: Value = self.safe_integer_k(trade.clone(), "microtimestamp", &[Value::Int(0)]);
        let mut id: Value = self.safe_string_k(trade.clone(), "id", &[]);
        let mut timestamp: Value = self.parse_to_int((match ((microtimestamp).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut price: Value = self.safe_string_k(trade.clone(), "price", &[]);
        let mut amount: Value = self.safe_string_k(trade.clone(), "amount", &[]);
        if (market == Value::Null) {
            market = self.safe_market(&[Value::Null, market.clone()]);
        }
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut sideRaw: Option<i64> = self.safe_integer_k(trade.clone(), "type", &[]).as_i64();
        let mut side: Value = (if (sideRaw == Some(0)) { Value::Str("buy".into()) } else { Value::Str("sell".into()) });
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), trade);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("symbol".to_string(), symbol);
        m.insert("id".to_string(), id);
        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(), price);
        m.insert("amount".to_string(), amount);
        m.insert("cost".to_string(), Value::Null);
        m.insert("fee".to_string(), Value::Null);
    m
}), &[market]);

    Value::Null
}

    pub fn handle_trade(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "data": {
        //             "buy_order_id": 1207733769326592,
        //             "amount_str": "0.14406384",
        //             "timestamp": "1583691851",
        //             "microtimestamp": "1583691851934000",
        //             "id": 106833903,
        //             "amount": 0.14406384,
        //             "sell_order_id": 1207733765476352,
        //             "price_str": "8302.92",
        //             "type": 0,
        //             "price": 8302.92
        //         },
        //         "event": "trade",
        //         "channel": "live_trades_btcusd"
        //     }
        //
        // the trade streams push raw trade information in real-time
        // each trade has a unique buyer and seller
        let mut channel: Value = (match message.get("channel") { 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 });
        if (channel == Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".into()));
        let mut marketId: Value = self.safe_string(parts, Value::Int(2), &[]);
        let mut market: Value = self.safe_market(&[marketId]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).into());
        let mut data: Value = (match message.get("data") { Some(__v) if !matches!(__v, Value::Null) && !matches!(__v, Value::Str(__s) if __s.is_empty()) => __v.clone(), _ => Value::Null });
        let mut trade: Value = self.parse_ws_trade(data, &[market]);
        let mut tradesArray: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
        if (tradesArray == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            tradesArray = ArrayCache::new(limit);
            if let Value::Dict(__d) = &mut self.trades { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), tradesArray.clone()); }
        }
        tradesArray.append(trade);
        client.resolve(&[tradesArray, messageHash]);
}

/*
 * @method
 * @name bitstamp#watchFundingRate
 * @description watch the current funding rate
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified market symbol of a swap market
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [funding rate structure]{@link https://docs.ccxt.com/?id=funding-rate-structure}
 */
    pub async fn watch_funding_rate(&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.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("fundingRate:".into()), symbol).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 channel: Value = Value::Str(format!("{}{}", Value::Str("funding_rate_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".into()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel);
    m
}));
            m
        });
        let mut message: Value = self.extend(request, &[params]);
        return self.watch(url, messageHash.clone(), &[message, messageHash.clone()]).await;

    Value::Null
}

    pub fn handle_funding_rate(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "data": {
        //             "market": "btcusd-perp",
        //             "mark_price": "77291.94844771",
        //             "index_price": "77276.264",
        //             "funding_rate": "0.00013",
        //             "timestamp": "1789455924",
        //             "next_funding_time": "1789459200"
        //         },
        //         "channel": "funding_rate_btcusd-perp",
        //         "event": "funding_rate_saved"
        //     }
        //
        let mut channel: Value = (match message.get("channel") { 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 });
        if (channel == Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".into()));
        let mut marketId: Value = self.safe_string(parts, Value::Int(2), &[]);
        let mut market: Value = self.safe_market(&[marketId]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        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 fundingRate: Value = self.parse_funding_rate(data, &[market]);
        if let Value::Dict(__d) = &mut self.fundingRates { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), fundingRate.clone()); }
        client.resolve(&[fundingRate, Value::Str(format!("{}{}", Value::Str("fundingRate:".into()), symbol).into())]);
}

/*
 * @method
 * @name bitstamp#watchOrders
 * @description watches information on multiple orders made by the user
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    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 (symbol == Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" watchOrders() requires a symbol argument".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut channel: Value = Value::Str("private-my_orders".into());
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", channel, Value::Str("_".into())).into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("symbol".to_string(), symbol.clone());
                m.insert("limit".to_string(), limit.clone());
                m.insert("type".to_string(), channel);
                m.insert("params".to_string(), params.clone());
            m
        });
        let mut orders: Value = self.subscribe_private(subscription, messageHash, &[params]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol, limit.clone());
        }
        return self.filter_by_since_limit(orders, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name bitstamp#unWatchOrders
 * @description unsubscribe from the orders channel
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified market symbol of the market the orders were made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {any} status of the unwatch request
 */
    pub async fn un_watch_orders(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = 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 (symbol == Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" unWatchOrders() requires a symbol argument".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        self.authenticate(&[]).await;
        let mut channel: Value = add(&Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("private-my_orders_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into()), Value::Str("-".into())).into()), &self.options.as_map().and_then(|__m| __m.get("userId")).cloned().unwrap_or(Value::Null));
        return self.un_watch_channel(channel.clone(), channel.clone(), Value::Str("orders".into()), Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

/*
 * @method
 * @name bitstamp#watchMyTrades
 * @description watches information on multiple trades made by the user
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified market symbol of the market trades were made in
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trade structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=trade-structure}
 */
    pub async fn watch_my_trades(&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 (symbol == Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" watchMyTrades() requires a symbol argument".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut channel: Value = Value::Str("private-my_trades".into());
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", channel, Value::Str("_".into())).into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("symbol".to_string(), symbol.clone());
                m.insert("limit".to_string(), limit.clone());
                m.insert("type".to_string(), channel);
                m.insert("params".to_string(), params.clone());
            m
        });
        let mut trades: Value = self.subscribe_private(subscription, messageHash, &[params]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_symbol_since_limit(trades, &[symbol, since, limit, Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name bitstamp#unWatchMyTrades
 * @description unsubscribe from the myTrades channel
 * @see https://www.bitstamp.net/websocket/v2/
 * @param {string} symbol unified market symbol of the market the trades were made in
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {any} status of the unwatch request
 */
    pub async fn un_watch_my_trades(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = 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 (symbol == Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" unWatchMyTrades() requires a symbol argument".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        self.authenticate(&[]).await;
        let mut channel: Value = add(&Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("private-my_trades_".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into()), Value::Str("-".into())).into()), &self.options.as_map().and_then(|__m| __m.get("userId")).cloned().unwrap_or(Value::Null));
        return self.un_watch_channel(channel.clone(), channel.clone(), Value::Str("myTrades".into()), Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

    pub fn handle_my_trades(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "data": {
        //             "id": 635698396,
        //             "amount": "0.005000",
        //             "price": "2468.04",
        //             "microtimestamp": "1789459694223000",
        //             "fee": "0.04936",
        //             "order_id": "2050558851342339",
        //             "trade_account_id": 0,
        //             "side": "buy"
        //         },
        //         "channel": "private-my_trades_ethusdt-4416057",
        //         "event": "trade",
        //         "trade_account_id": 0
        //     }
        //
        let mut channel: Value = (match message.get("channel") { 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 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 subscription: Value = (if (channel == Value::Null) { Value::Null } else { self.safe_dict(get_value(&client, &Value::Str("subscriptions".into())), channel.clone(), &[]) });
        let mut symbol: Value = self.safe_string_k(subscription, "symbol", &[]);
        if (symbol == Value::Null) {
            return;
        }
        let mut market: Value = self.market(symbol);
        if (self.myTrades.clone() == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            self.myTrades = ArrayCacheBySymbolById::new(limit);
        }
        let mut stored: Value = self.myTrades.clone();
        let mut trade: Value = self.parse_ws_my_trade(data, &[market]);
        stored.append(trade);
        client.resolve(&[stored, channel]);
}

    pub fn parse_ws_my_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "id": 635698396,
        //         "amount": "0.005000",
        //         "price": "2468.04",
        //         "microtimestamp": "1789459694223000",
        //         "fee": "0.04936",
        //         "order_id": "2050558851342339",
        //         "trade_account_id": 0,
        //         "side": "buy"
        //     }
        //
        // the api docs also document id_str, trade_uti, client_order_id,
        // position_id, is_liquidation and trade_type, which the live feed
        // omits for plain spot orderbook fills
        //
        let mut microtimestamp: Value = self.safe_integer_k(trade.clone(), "microtimestamp", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microtimestamp).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        market = self.safe_market(&[Value::Null, market.clone()]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut feeCost: Value = self.safe_string_k(trade.clone(), "fee", &[]);
        let mut fee: Value = Value::Null;
        if (feeCost != Value::Null) {
            fee = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("cost".to_string(), feeCost);
                    m.insert("currency".to_string(), market.as_map().and_then(|__m| __m.get("quote")).cloned().unwrap_or(Value::Null));
                m
            });
        }
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), trade.clone());
        m.insert("id".to_string(), self.safe_string2(trade.clone(), Value::Str("id_str".into()), Value::Str("id".into()), &[]));
        m.insert("order".to_string(), self.safe_string_k(trade.clone(), "order_id", &[]));
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("symbol".to_string(), symbol);
        m.insert("type".to_string(), Value::Null);
        m.insert("side".to_string(), self.safe_string_k(trade.clone(), "side", &[]));
        m.insert("takerOrMaker".to_string(), Value::Null);
        m.insert("price".to_string(), self.safe_string_k(trade.clone(), "price", &[]));
        m.insert("amount".to_string(), self.safe_string_k(trade, "amount", &[]));
        m.insert("cost".to_string(), Value::Null);
        m.insert("fee".to_string(), fee);
    m
}), &[market]);

    Value::Null
}

    pub fn handle_orders(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "data": {
        //             "id": "2050558851342339",
        //             "id_str": "2050558851342339",
        //             "order_type": 0,
        //             "order_subtype": 2,
        //             "datetime": "1789459694",
        //             "microtimestamp": "1789459694223000",
        //             "amount": 0.005,
        //             "amount_str": "0.005000",
        //             "amount_traded": "0",
        //             "amount_at_create": "0.005000",
        //             "price": 999999999,
        //             "price_str": "999999999.00",
        //             "is_liquidation": false,
        //             "trade_account_id": 0
        //         },
        //         "channel": "private-my_orders_ethusdt-4416057",
        //         "event": "order_created", // order_created | order_changed | order_deleted | order_replaced | stop_active | stop_inactive
        //         "trade_account_id": 0,
        //         "event_id": "00065b81-0d69-fe98-0000-006902000020",
        //         "pre_event_id": "00065b81-0d68-6088-0000-006901000020",
        //         "order_source": "orderbook"
        //     }
        //
        let mut channel: Value = (match message.get("channel") { 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 order: 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 subscription: Value = (if (channel == Value::Null) { Value::Null } else { self.safe_dict(get_value(&client, &Value::Str("subscriptions".into())), channel.clone(), &[]) });
        let mut symbol: Value = self.safe_string_k(subscription, "symbol", &[]);
        if (symbol == Value::Null) {
            return;
        }
        let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
        if (self.orders.clone() == Value::Null) {
            self.orders = ArrayCacheBySymbolById::new(limit);
        }
        let mut stored: Value = self.orders.clone();
        let mut market: Value = self.market(symbol);
        if let Value::Dict(__d) = &mut order { std::sync::Arc::make_mut(__d).insert("event".into(), (match message.get("event") { 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 parsed: Value = self.parse_ws_order(order, &[market]);
        stored.append(parsed);
        client.resolve(&[self.orders.clone(), channel]);
}

    pub fn parse_ws_order(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        // order_deleted after a full fill - amount_str carries the amount
        // left to be executed, amount_at_create the original order amount
        //
        //    {
        //        "id": "2050558851342339",
        //        "id_str": "2050558851342339",
        //        "order_type": 0,
        //        "order_subtype": 2,
        //        "datetime": "1789459694",
        //        "microtimestamp": "1789459694223000",
        //        "amount": 0,
        //        "amount_str": "0",
        //        "amount_traded": "0.005000",
        //        "amount_at_create": "0.005000",
        //        "price": 2468.04,
        //        "price_str": "2468.04",
        //        "is_liquidation": false,
        //        "trade_account_id": 0
        //    }
        //
        let mut id: Value = self.safe_string_k(order.clone(), "id_str", &[]);
        let mut orderTypeRaw: Option<String> = self.safe_string_lower_k(order.clone(), "order_type", &[]).as_str().map(str::to_owned);
        let mut side: Value = (if (orderTypeRaw.as_deref() == Some("1")) { Value::Str("sell".into()) } else { Value::Str("buy".into()) });
        let mut orderSubTypeRaw: Option<String> = self.safe_string_lower_k(order.clone(), "order_subtype", &[]).as_str().map(str::to_owned); // https://www.bitstamp.net/websocket/v2/#:~:text=order_subtype
        let mut orderType: Value = Value::Null;
        let mut timeInForce: Value = Value::Null;
        if (orderSubTypeRaw.as_deref() == Some("0")) {
            orderType = Value::Str("limit".into());
        }  else if (orderSubTypeRaw.as_deref() == Some("2")) {
            orderType = Value::Str("market".into());
        }  else if (orderSubTypeRaw.as_deref() == Some("4")) {
            orderType = Value::Str("limit".into());
            timeInForce = Value::Str("IOC".into());
        }  else if (orderSubTypeRaw.as_deref() == Some("6")) {
            orderType = Value::Str("limit".into());
            timeInForce = Value::Str("FOK".into());
        }  else if (orderSubTypeRaw.as_deref() == Some("8")) {
            orderType = Value::Str("limit".into());
            timeInForce = Value::Str("GTD".into());
        }
        let mut price: Value = self.safe_string_k(order.clone(), "price_str", &[]);
        let mut amountLeft: Value = self.safe_string_k(order.clone(), "amount_str", &[]);
        let mut amountAtCreate: Value = self.safe_string_k(order.clone(), "amount_at_create", &[]);
        // amount_str carries the amount left to be executed, while
        // amount_at_create is the original order amount - older messages
        // do not carry amount_at_create, so fall back to the old behaviour
        let mut amount: Value = amountLeft.clone();
        let mut remaining: Value = Value::Null;
        if (amountAtCreate != Value::Null) {
            amount = amountAtCreate;
            remaining = amountLeft;
        }
        let mut filled: Value = self.safe_string_k(order.clone(), "amount_traded", &[]);
        let mut event: Option<String> = self.safe_string_k(order.clone(), "event", &[]).as_str().map(str::to_owned);
        let mut status: Value = Value::Null;
        if is_true(&crate::precise::Precise::stringEq(&filled, &amount)) {
            status = Value::Str("closed".into());
        }  else if (event.as_deref() == Some("order_deleted")) {
            status = Value::Str("canceled".into());
        }
        let mut triggerPrice: Value = self.safe_string_k(order.clone(), "stop_price", &[]);
        let mut timestamp: Value = self.safe_timestamp_k(order.clone(), "datetime", &[]);
        market = self.safe_market(&[Value::Null, market.clone()]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        return self.safe_order(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), order.clone());
        m.insert("symbol".to_string(), symbol);
        m.insert("id".to_string(), id);
        m.insert("clientOrderId".to_string(), self.safe_string_k(order, "client_order_id", &[]));
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("lastTradeTimestamp".to_string(), Value::Null);
        m.insert("type".to_string(), orderType);
        m.insert("timeInForce".to_string(), timeInForce);
        m.insert("postOnly".to_string(), Value::Null);
        m.insert("side".to_string(), side);
        m.insert("price".to_string(), price);
        m.insert("stopPrice".to_string(), triggerPrice.clone());
        m.insert("triggerPrice".to_string(), triggerPrice);
        m.insert("amount".to_string(), amount);
        m.insert("cost".to_string(), Value::Null);
        m.insert("average".to_string(), Value::Null);
        m.insert("filled".to_string(), filled);
        m.insert("remaining".to_string(), remaining);
        m.insert("status".to_string(), status);
        m.insert("fee".to_string(), Value::Null);
        m.insert("trades".to_string(), Value::Null);
    m
}), &[market]);

    Value::Null
}

    pub fn handle_order_book_subscription(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        let mut channel: Value = (match message.get("channel") { 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 });
        if (channel == Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".into()));
        let mut marketId: Value = self.safe_string(parts, Value::Int(3), &[]);
        let mut symbol: Value = self.safe_symbol(marketId, &[]);
        { let __be_tmp = self.order_book(&[]); if let Value::Dict(__d) = &mut self.orderbooks { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), __be_tmp); } }
}

    pub fn handle_subscription_status(&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;
        //
        //     {
        //         "event": "bts:subscription_succeeded",
        //         "channel": "detail_order_book_btcusd",
        //         "data": {},
        //     }
        //     {
        //         "event": "bts:subscription_succeeded",
        //         "channel": "private-my_orders_ltcusd-4848701",
        //         "data": {}
        //     }
        //
        let mut channel: Value = (match __pro_message.get("channel").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 });
        if (channel == Value::Null) {
            return;
        }
        if Value::Int(channel.as_str().and_then(|__s| __s.find("order_book")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) > ((-1i64) as f64) {
            self.handle_order_book_subscription(client, message);
        }
}

    pub fn handle_unsubscription_status(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "event": "bts:unsubscription_succeeded",
        //         "channel": "live_trades_btcusd",
        //         "data": {}
        //     }
        //
        let mut channel: Value = (match message.get("channel") { 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 });
        if (channel == Value::Null) {
            return;
        }
        let mut unsubHash: Value = Value::Str(format!("{}{}", Value::Str("unsubscribe:".into()), channel).into());
        let mut subscription: Value = self.safe_dict(get_value(&client, &Value::Str("subscriptions".into())), unsubHash.clone(), &[]);
        if (subscription == Value::Null) {
            return;
        }
        let mut subHash: Value = self.safe_string_k(subscription.clone(), "subHash", &[]);
        let mut topic: Option<String> = self.safe_string_k(subscription.clone(), "topic", &[]).as_str().map(str::to_owned);
        let mut symbols: Value = self.safe_list_k(subscription.clone(), "symbols", &[Value::from(vec![])]);
        // the base cleanCache only prunes trades/orderbooks per symbol and
        // would wipe the whole orders/myTrades cache - rebuild those without
        // the unsubscribed symbols instead, so the markets that are still
        // subscribed keep their cached history
        if (topic.as_deref() == Some("orders")) && (self.orders.clone() != Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
            let mut freshOrdersCache = ArrayCacheBySymbolById::new(limit.clone());
            { let __t = self.prune_cached_by_symbols(freshOrdersCache, self.orders.clone(), symbols.clone()); self.orders = __t; }
        }  else if (topic.as_deref() == Some("myTrades")) && (self.myTrades.clone() != Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            let mut freshTradesCache = ArrayCacheBySymbolById::new(limit);
            { let __t = self.prune_cached_by_symbols(freshTradesCache, self.myTrades.clone(), symbols); self.myTrades = __t; }
        }  else {
            self.clean_cache(subscription);
        }
        self.clean_unsubscription(client, subHash, unsubHash, &[]);
}

/*
 * @ignore
 * @method
 * @description refills a fresh ArrayCacheBySymbolById with the entries of the old cache except the given symbols, so unsubscribing one market keeps the cached entries of the others
 * @param {object} newCache an empty ArrayCacheBySymbolById to fill
 * @param {object} cache the old ArrayCacheBySymbolById to prune
 * @param {string[]} symbols the symbols to remove from the cache
 * @returns {object} the new cache holding the remaining entries
 */
    pub fn prune_cached_by_symbols(&self, mut newCache: Value, mut cache: Value, mut symbols: Value) -> Value {
        let mut entries: Value = self.to_array(cache);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_141: bool = true;
            while { if !__for_first_141 { 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_141 = false; i.as_f64().unwrap_or(f64::NAN) < ((entries.len() as i64) as f64) } {
            let mut entry: Value = entries.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);
            let mut entrySymbol: Value = self.safe_string_k(entry.clone(), "symbol", &[]);
            if !(self.in_array(entrySymbol, symbols.clone()).as_bool() == Some(true)) {
                newCache.append(entry);
            }
        }
        }
        return newCache;

    Value::Null
}

    pub fn handle_subject(&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;
        //
        //     {
        //         "data": {
        //             "timestamp": "1583656800",
        //             "microtimestamp": "1583656800237527",
        //             "bids": [
        //                 ["8732.02", "0.00002478", "1207590500704256"],
        //                 ["8729.62", "0.01600000", "1207590502350849"],
        //                 ["8727.22", "0.01800000", "1207590504296448"],
        //             ],
        //             "asks": [
        //                 ["8735.67", "2.00000000", "1207590693249024"],
        //                 ["8735.67", "0.01700000", "1207590693634048"],
        //                 ["8735.68", "1.53294500", "1207590692048896"],
        //             ],
        //         },
        //         "event": "data",
        //         "channel": "detail_order_book_btcusd"
        //     }
        //
        // private order
        //     {
        //         "data":{
        //         "id":"1463471322288128",
        //         "id_str":"1463471322288128",
        //         "order_type":1,
        //         "datetime":"1646127778",
        //         "microtimestamp":"1646127777950000",
        //         "amount":0.05,
        //         "amount_str":"0.05000000",
        //         "price":1000,
        //         "price_str":"1000.00"
        //         },
        //         "channel":"private-my_orders_ltcusd-4848701",
        //         "event": "order_deleted" // field only present for cancelOrder
        //     }
        //
        let mut channel: Value = (match __pro_message.get("channel").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 });
        if (channel == Value::Null) {
            return;
        }
        let mut methods: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("live_trades".to_string(), Value::Str("handle_trade".into()).clone());
                m.insert("diff_order_book".to_string(), Value::Str("handle_order_book".into()).clone());
                m.insert("funding_rate".to_string(), Value::Str("handle_funding_rate".into()).clone());
                m.insert("private-my_orders".to_string(), Value::Str("handle_orders".into()).clone());
                m.insert("private-my_trades".to_string(), Value::Str("handle_my_trades".into()).clone());
            m
        });
        let mut keys: Value = object_keys(&methods);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_142: bool = true;
            while { if !__for_first_142 { 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_142 = false; i.as_f64().unwrap_or(f64::NAN) < ((keys.len() as i64) as f64) } {
            let mut key: Value = keys.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);
            if get_index_of(&channel, &key).as_f64().unwrap_or(f64::NAN) > ((-1i64) as f64) {
                let mut method: Value = methods.as_map().and_then(|__m| key.as_str().and_then(|__k| __m.get(__k))).cloned().unwrap_or(Value::Null);
                self.dispatch_ws_handler(&method, &[client.clone(), message.clone()]);
            }
        }
        }
}

    pub fn handle_error_message(&self, mut client: Value, mut message: Value) -> Value {
        // {
        //     "event": "bts:error",
        //     "channel": '',
        //     "data": { code: 4009, message: "Connection is unauthorized." }
        // }
        let mut event: Option<String> = self.safe_string_k(message.clone(), "event", &[]).as_str().map(str::to_owned);
        if (event.as_deref() == Some("bts:error")) {
            let mut feedback: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", self.id.clone(), Value::Str(" ".into())).into()), json_stringify(&message)).into());
            let mut data: Value = self.safe_dict_k(message, "data", &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            let mut code: Value = self.safe_number_k(data, "code", &[]);
            self.throw_exactly_matched_exception(self.exceptions.as_map().and_then(|__m| __m.get("exact")).cloned().unwrap_or(Value::Null), code, feedback);
        }
        return Value::Bool(true);

    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;
        if (self.handle_error_message(client.clone(), message.clone()).as_bool() != Some(true)) {
            return;
        }
        //
        //     {
        //         "event": "bts:subscription_succeeded",
        //         "channel": "detail_order_book_btcusd",
        //         "data": {},
        //     }
        //
        //     {
        //         "data": {
        //             "timestamp": "1583656800",
        //             "microtimestamp": "1583656800237527",
        //             "bids": [
        //                 ["8732.02", "0.00002478", "1207590500704256"],
        //                 ["8729.62", "0.01600000", "1207590502350849"],
        //                 ["8727.22", "0.01800000", "1207590504296448"],
        //             ],
        //             "asks": [
        //                 ["8735.67", "2.00000000", "1207590693249024"],
        //                 ["8735.67", "0.01700000", "1207590693634048"],
        //                 ["8735.68", "1.53294500", "1207590692048896"],
        //             ],
        //         },
        //         "event": "data",
        //         "channel": "detail_order_book_btcusd"
        //     }
        //
        //     {
        //         "event": "bts:subscription_succeeded",
        //         "channel": "private-my_orders_ltcusd-4848701",
        //         "data": {}
        //     }
        //
        let mut event: Option<String> = (match __pro_message.get("event").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 (event.as_deref() == Some("bts:subscription_succeeded")) {
            self.handle_subscription_status(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("bts:unsubscription_succeeded")) {
            self.handle_unsubscription_status(client.clone(), message.clone());
        }  else {
            self.handle_subject(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
}));
        self.check_required_credentials(&[]);
        let mut time: Value = self.milliseconds();
        let mut expiresIn: Value = self.safe_integer_k(self.options.clone(), "expiresIn", &[]);
        if (expiresIn == Value::Null) || (time.as_f64().unwrap_or(f64::NAN) > expiresIn.as_f64().unwrap_or(f64::NAN)) {
            // single-flight leader election on a never-dialed client, see
            // https://github.com/ccxt/ccxt/issues/29393: the websocket token is
            // minted by a private REST call and cached in this.options, so N
            // concurrent subscribePrivate () calls on a cold instance all pass
            // the staleness check above and each mint their own token - the
            // tokens are short lived (valid_sec is 60), so this burns the
            // private endpoint and only the last write survives.
            // the flight is registered in client.futures and settled through
            // client.resolve / client.reject, so every mutation of that map
            // goes through the client's own accessors in the ported languages
            let mut messageHash: Value = Value::Str("authenticateFlight".into());
            let mut client: Value = self.client(&[Value::Str("authenticationFlights".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 token is then in this.options
                crate::exchange_stubs::ws_await_flight(&client.future(&[messageHash.clone()])).await;
                return Value::Null;
            }
            let mut future: Value = client.reusable_future(messageHash.clone());
            let _try_result = futures::FutureExt::catch_unwind(std::panic::AssertUnwindSafe(async {
                let mut response: Value = self.parent.private_post_websockets_token(&[params]).await;
                //
                // {
                //     "valid_sec":60,
                //     "token":"siPaT4m6VGQCdsDCVbLBemiphHQs552e",
                //     "user_id":4848701
                // }
                //
                let mut sessionToken: Value = self.safe_string_k(response.clone(), "token", &[]);
                if (sessionToken == Value::Null) {
                    panic!("{}", crate::exchange_errors::authentication_error(format!("{}{}", self.id.clone(), Value::Str(" authenticate() received an empty token".into()))));
                }
                let mut userId: Value = self.safe_string_k(response.clone(), "user_id", &[]);
                let mut validity: Value = self.safe_integer_product_k(response, "valid_sec", Value::Int(1000), &[]);
                { let __be_tmp = self.sum(&[time, validity]); if let Value::Dict(__d) = &mut self.options { std::sync::Arc::make_mut(__d).insert("expiresIn".into(), __be_tmp); } }
                if let Value::Dict(__d) = &mut self.options { std::sync::Arc::make_mut(__d).insert("userId".into(), userId); }
                if let Value::Dict(__d) = &mut self.options { std::sync::Arc::make_mut(__d).insert("wsSessionToken".into(), sessionToken.clone()); }
                // settle the flight: client.resolve deletes the future from
                // client.futures and wakes every waiter parked on it
                client.resolve(&[sessionToken, 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 to the leader and marks the promise handled, so an
            // alone leader's rejection is never unhandled
            crate::exchange_stubs::ws_await_flight(&future).await;
        }

    Value::Null
}

    pub async fn subscribe_private(&mut self, mut subscription: Value, mut messageHash: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        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);
        self.authenticate(&[]).await;
        messageHash = Value::Str(format!("{}{}", messageHash, add(&Value::Str("-".into()), &self.options.as_map().and_then(|__m| __m.get("userId")).cloned().unwrap_or(Value::Null))).into());
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".into()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), messageHash.clone());
        m.insert("auth".to_string(), self.options.as_map().and_then(|__m| __m.get("wsSessionToken")).cloned().unwrap_or(Value::Null));
    m
}));
            m
        });
        if let Value::Dict(__d) = &mut subscription { std::sync::Arc::make_mut(__d).insert("messageHash".into(), messageHash.clone()); }
        let __ws_arg_1 = self.extend(request, &[params]);
        return self.watch(url, messageHash.clone(), &[__ws_arg_1, messageHash.clone(), subscription]).await;

    Value::Null
}
}