ccxt-pro 4.5.78

// 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;
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.get(0..).unwrap_or(&[]).to_vec()[..]).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_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "subscribe_private" => self.subscribe_private(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), &args.get(2..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_orders" => self.watch_orders(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_trades" => self.watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).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_str(), _ => 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_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_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 },
            "parse_ws_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "subscribe_private" => { crate::exchange_stubs::enqueue_spawn("subscribe_private", 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("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
}));
        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".to_string()));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("expiresIn".to_string(), Value::Str("".to_string()));
        m.insert("userId".to_string(), Value::Str("".to_string()));
        m.insert("wsSessionToken".to_string(), Value::Str("".to_string()));
        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".to_string()).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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut messageHash: Value = add(&Value::Str("orderbook:".to_string()), &symbol);
        let mut channel: Value = add(&Value::Str("diff_order_book_".to_string()), &get_value(&market, &Value::Str("id".to_string())));
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".to_string()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel.clone());
    m
}));
            m
        });
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        let mut orderbook: Value = self.watch(url.clone(), messageHash.clone(), &[message.clone(), messageHash.clone()]).await;
        return orderbook.limit();

    Value::Null
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) {
        //
        // 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 = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".to_string()));
        let mut marketId: Value = self.safe_string(parts.clone(), Value::Int(3), &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        let mut storedOrderBook: Value = self.safe_value(self.orderbooks.clone(), symbol.clone(), &[]);
        let mut nonce: Value = self.safe_value_k(storedOrderBook.clone(), "nonce", &[]);
        let mut delta: Value = self.safe_value_k(message.clone(), "data", &[]);
        let mut deltaNonce: Value = self.safe_integer_k(delta.clone(), "microtimestamp", &[]);
        if is_equal(&deltaNonce, &Value::Null) {
            return;
        }
        let mut messageHash: Value = add(&Value::Str("orderbook:".to_string()), &symbol);
        if is_equal(&nonce, &Value::Null) {
            let mut cacheLength: Value = get_array_length(&get_value(&storedOrderBook, &Value::Str("cache".to_string())));
            // 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".to_string()), Value::Str("snapshotDelay".to_string()), &[Value::Int(6)]);
            if is_equal(&cacheLength, &snapshotDelay) {
                self.spawn(&[Value::Str("load_order_book".to_string()).clone(), client.clone(), messageHash.clone(), symbol.clone(), Value::Null, Value::Map({
                    let mut m = indexmap::IndexMap::new();
                    m
                })]);
            }
            crate::runtime::append_to_object_array(&mut storedOrderBook, &Value::Str("cache".to_string()), delta.clone());
            return;
        }  else if is_greater_than_or_equal(&nonce, &deltaNonce) {
            return;
        }
        self.handle_delta(storedOrderBook.clone(), delta.clone());
        client.resolve(&[storedOrderBook.clone(), messageHash.clone()]);
}

    pub fn handle_delta(&self, mut orderbook: Value, mut delta: Value) {
        let mut timestamp: Value = self.safe_timestamp(delta.clone(), Value::Str("timestamp".to_string()), &[]);
        add_element_to_object(&mut orderbook, &Value::Str("timestamp".to_string()), timestamp.clone());
        add_element_to_object(&mut orderbook, &Value::Str("datetime".to_string()), self.iso8601(timestamp.clone()));
        add_element_to_object(&mut orderbook, &Value::Str("nonce".to_string()), self.safe_integer_k(delta.clone(), "microtimestamp", &[]));
        let mut bids: Value = self.safe_value_k(delta.clone(), "bids", &[Value::List(vec![])]);
        let mut asks: Value = self.safe_value_k(delta.clone(), "asks", &[Value::List(vec![])]);
        let mut storedBids: Value = get_value(&orderbook, &Value::Str("bids".to_string()));
        let mut storedAsks: Value = get_value(&orderbook, &Value::Str("asks".to_string()));
        self.handle_bid_asks(storedBids.clone(), bids.clone());
        self.handle_bid_asks(storedAsks.clone(), asks.clone());
}

    pub fn handle_bid_asks(&self, mut bookSide: Value, mut bidAsks: Value) {
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_158: bool = true;
            while { if !__for_first_158 { i = add(&i, &Value::Int(1)); } __for_first_158 = false; is_less_than(&i, &get_array_length(&bidAsks)) } {
            let mut bidAsk: Value = self.parse_order_book_bid_ask(get_value(&bidAsks, &i), &[]);
            bookSide.store_array(bidAsk.clone());
        }
        }
}

    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.clone(), "microtimestamp", &[]);
        if is_equal(&firstElementNonce, &Value::Null) {
            return negate(&Value::Int(1));
        }
        let mut nonce: Value = self.safe_integer_k(orderbook.clone(), "nonce", &[]);
        if is_true(&(is_equal(&nonce, &Value::Null))) || is_true(&(is_less_than(&nonce, &firstElementNonce))) {
            return negate(&Value::Int(1));
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_159: bool = true;
            while { if !__for_first_159 { i = add(&i, &Value::Int(1)); } __for_first_159 = false; is_less_than(&i, &get_array_length(&deltas)) } {
            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.clone(), "microtimestamp", &[]);
            if is_equal(&deltaNonce, &nonce) {
                return add(&i, &Value::Int(1));
            }
        }
        }
        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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut messageHash: Value = add(&Value::Str("trades:".to_string()), &symbol);
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        let mut channel: Value = add(&Value::Str("live_trades_".to_string()), &get_value(&market, &Value::Str("id".to_string())));
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".to_string()));
                m.insert("data".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel.clone());
    m
}));
            m
        });
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        let mut trades: Value = self.watch(url.clone(), messageHash.clone(), &[message.clone(), messageHash.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(trades.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    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(divide(&microtimestamp, &Value::Int(1000)));
        let mut price: Value = self.safe_string_k(trade.clone(), "price", &[]);
        let mut amount: Value = self.safe_string_k(trade.clone(), "amount", &[]);
        if is_equal(&market, &Value::Null) {
            market = self.safe_market(&[Value::Null, market.clone()]);
        }
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut sideRaw: Value = self.safe_integer_k(trade.clone(), "type", &[]);
        let mut side: Value = ternary(is_true(&(is_equal(&sideRaw, &Value::Int(0)))), Value::Str("buy".to_string()), Value::Str("sell".to_string()));
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), trade.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("symbol".to_string(), symbol.clone());
        m.insert("id".to_string(), id.clone());
        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.clone());
        m.insert("price".to_string(), price.clone());
        m.insert("amount".to_string(), amount.clone());
        m.insert("cost".to_string(), Value::Null);
        m.insert("fee".to_string(), Value::Null);
    m
}), &[market.clone()]);

    Value::Null
}

    pub fn handle_trade(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "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 = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".to_string()));
        let mut marketId: Value = self.safe_string(parts.clone(), Value::Int(2), &[]);
        let mut market: Value = self.safe_market(&[marketId.clone()]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut messageHash: Value = add(&Value::Str("trades:".to_string()), &symbol);
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[]);
        let mut trade: Value = self.parse_ws_trade(data.clone(), &[market.clone()]);
        let mut tradesArray: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
        if is_equal(&tradesArray, &Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            tradesArray = ArrayCache::new(limit.clone());
            add_element_to_object(&mut self.trades, &symbol, tradesArray.clone());
        }
        tradesArray.append(trade.clone());
        client.resolve(&[tradesArray.clone(), messageHash.clone()]);
}

/*
 * @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 is_equal(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchOrders() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut channel: Value = Value::Str("private-my_orders".to_string());
        let mut messageHash: Value = add(&add(&channel, &Value::Str("_".to_string())), &get_value(&market, &Value::Str("id".to_string())));
        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.clone());
                m.insert("params".to_string(), params.clone());
            m
        });
        let mut orders: Value = self.subscribe_private(subscription.clone(), messageHash.clone(), &[params.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(orders.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_orders(&mut self, mut client: Value, mut message: Value) {
        //
        // {
        //     "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 = self.safe_string_k(message.clone(), "channel", &[]);
        let mut order: Value = self.safe_value_k(message.clone(), "data", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
        if is_equal(&self.orders, &Value::Null) {
            self.orders = ArrayCacheBySymbolById::new(limit.clone());
        }
        let mut stored: Value = self.orders.clone();
        let mut subscription: Value = ternary(is_true(&(is_equal(&channel, &Value::Null))), Value::Null, self.safe_value(get_value(&client, &Value::Str("subscriptions".to_string())), channel.clone(), &[]));
        let mut symbol: Value = self.safe_string_k(subscription.clone(), "symbol", &[]);
        let mut market: Value = self.market(symbol.clone());
        add_element_to_object(&mut order, &Value::Str("event".to_string()), self.safe_string_k(message.clone(), "event", &[]));
        let mut parsed: Value = self.parse_ws_order(order.clone(), &[market.clone()]);
        stored.append(parsed.clone());
        client.resolve(&[self.orders.clone(), channel.clone()]);
}

    pub fn parse_ws_order(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //    {
        //        "id": "1894876776091648",
        //        "id_str": "1894876776091648",
        //        "order_type": 0,
        //        "order_subtype": 0,
        //        "datetime": "1751451375",
        //        "microtimestamp": "1751451375070000",
        //        "amount": 1.1,
        //        "amount_str": "1.10000000",
        //        "amount_traded": "0",
        //        "amount_at_create": "1.10000000",
        //        "price": 10.23,
        //        "price_str": "10.23",
        //        "is_liquidation": false,
        //        "trade_account_id": 0
        //    }
        //
        let mut id: Value = self.safe_string_k(order.clone(), "id_str", &[]);
        let mut orderTypeRaw: Value = self.safe_string_lower(order.clone(), Value::Str("order_type".to_string()), &[]);
        let mut side: Value = ternary(is_true(&(is_equal(&orderTypeRaw, &Value::Str("1".to_string())))), Value::Str("sell".to_string()), Value::Str("buy".to_string()));
        let mut orderSubTypeRaw: Value = self.safe_string_lower(order.clone(), Value::Str("order_subtype".to_string()), &[]); // https://www.bitstamp.net/websocket/v2/#:~:text=order_subtype
        let mut orderType: Value = Value::Null;
        let mut timeInForce: Value = Value::Null;
        if is_equal(&orderSubTypeRaw, &Value::Str("0".to_string())) {
            orderType = Value::Str("limit".to_string());
        }  else if is_equal(&orderSubTypeRaw, &Value::Str("2".to_string())) {
            orderType = Value::Str("market".to_string());
        }  else if is_equal(&orderSubTypeRaw, &Value::Str("4".to_string())) {
            orderType = Value::Str("limit".to_string());
            timeInForce = Value::Str("IOC".to_string());
        }  else if is_equal(&orderSubTypeRaw, &Value::Str("6".to_string())) {
            orderType = Value::Str("limit".to_string());
            timeInForce = Value::Str("FOK".to_string());
        }  else if is_equal(&orderSubTypeRaw, &Value::Str("8".to_string())) {
            orderType = Value::Str("limit".to_string());
            timeInForce = Value::Str("GTD".to_string());
        }
        let mut price: Value = self.safe_string_k(order.clone(), "price_str", &[]);
        let mut amount: Value = self.safe_string_k(order.clone(), "amount_str", &[]);
        let mut filled: Value = self.safe_string_k(order.clone(), "amount_traded", &[]);
        let mut event: Value = self.safe_string_k(order.clone(), "event", &[]);
        let mut status: Value = Value::Null;
        if is_true(&crate::precise::Precise::stringEq(&filled, &amount)) {
            status = Value::Str("closed".to_string());
        }  else if is_equal(&event, &Value::Str("order_deleted".to_string())) {
            status = Value::Str("canceled".to_string());
        }
        let mut timestamp: Value = self.safe_timestamp(order.clone(), Value::Str("datetime".to_string()), &[]);
        market = self.safe_market(&[Value::Null, market.clone()]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        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.clone());
        m.insert("id".to_string(), id.clone());
        m.insert("clientOrderId".to_string(), Value::Null);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("lastTradeTimestamp".to_string(), Value::Null);
        m.insert("type".to_string(), orderType.clone());
        m.insert("timeInForce".to_string(), timeInForce.clone());
        m.insert("postOnly".to_string(), Value::Null);
        m.insert("side".to_string(), side.clone());
        m.insert("price".to_string(), price.clone());
        m.insert("stopPrice".to_string(), Value::Null);
        m.insert("triggerPrice".to_string(), Value::Null);
        m.insert("amount".to_string(), amount.clone());
        m.insert("cost".to_string(), Value::Null);
        m.insert("average".to_string(), Value::Null);
        m.insert("filled".to_string(), filled.clone());
        m.insert("remaining".to_string(), Value::Null);
        m.insert("status".to_string(), status.clone());
        m.insert("fee".to_string(), Value::Null);
        m.insert("trades".to_string(), Value::Null);
    m
}), &[market.clone()]);

    Value::Null
}

    pub fn handle_order_book_subscription(&mut self, mut client: Value, mut message: Value) {
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Null) {
            return;
        }
        let mut parts: Value = split(&channel, &Value::Str("_".to_string()));
        let mut marketId: Value = self.safe_string(parts.clone(), Value::Int(3), &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        { let __be_tmp = self.order_book(&[]); add_element_to_object(&mut self.orderbooks, &symbol, __be_tmp); };
}

    pub fn handle_subscription_status(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "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 = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Null) {
            return;
        }
        if is_greater_than(&get_index_of(&channel, &Value::Str("order_book".to_string())), &negate(&Value::Int(1))) {
            self.handle_order_book_subscription(client.clone(), message.clone());
        }
}

    pub fn handle_subject(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "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 = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&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".to_string()).clone());
                m.insert("diff_order_book".to_string(), Value::Str("handle_order_book".to_string()).clone());
                m.insert("private-my_orders".to_string(), Value::Str("handle_orders".to_string()).clone());
            m
        });
        let mut keys: Value = object_keys(&methods);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_160: bool = true;
            while { if !__for_first_160 { i = add(&i, &Value::Int(1)); } __for_first_160 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut key: Value = get_value(&keys, &i);
            let mut key: Value = get_value(&keys, &i);
            if is_greater_than(&get_index_of(&channel, &key), &negate(&Value::Int(1))) {
                let mut method: Value = get_value(&methods, &key);
                let mut method: Value = get_value(&methods, &key);
                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: Value = self.safe_string_k(message.clone(), "event", &[]);
        if is_equal(&event, &Value::Str("bts:error".to_string())) {
            let mut feedback: Value = add(&add(&self.id, &Value::Str(" ".to_string())), &self.json(message.clone()));
            let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            let mut code: Value = self.safe_number_k(data.clone(), "code", &[]);
            self.throw_exactly_matched_exception(get_value(&self.exceptions, &Value::Str("exact".to_string())), code.clone(), feedback.clone());
        }
        return Value::Bool(true);

    Value::Null
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        if !is_equal(&self.handle_error_message(client.clone(), message.clone()), &Value::Bool(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: Value = self.safe_string_k(message.clone(), "event", &[]);
        if is_equal(&event, &Value::Str("bts:subscription_succeeded".to_string())) {
            self.handle_subscription_status(client.clone(), message.clone());
        }  else {
            self.handle_subject(client.clone(), message.clone());
        }
}

    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 is_true(&(is_equal(&expiresIn, &Value::Null))) || is_true(&(is_greater_than(&time, &expiresIn))) {
            // 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".to_string());
            let mut client: Value = self.client(&[Value::Str("authenticationFlights".to_string())]);
            if is_true(&Value::Bool(in_op(&get_value(&client, &Value::Str("futures".to_string())), &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.clone()]).await;
                //
                // {
                //     "valid_sec":60,
                //     "token":"siPaT4m6VGQCdsDCVbLBemiphHQs552e",
                //     "user_id":4848701
                // }
                //
                let mut sessionToken: Value = self.safe_string_k(response.clone(), "token", &[]);
                if is_equal(&sessionToken, &Value::Null) {
                    panic!("{}", crate::exchange_errors::authentication_error(add(&self.id, &Value::Str(" authenticate() received an empty token".to_string()))));
                }
                let mut userId: Value = self.safe_string_k(response.clone(), "user_id", &[]);
                let mut validity: Value = self.safe_integer_product(response.clone(), Value::Str("valid_sec".to_string()), Value::Int(1000), &[]);
                { let __be_tmp = self.sum(&[time.clone(), validity.clone()]); add_element_to_object(&mut self.options, &Value::Str("expiresIn".to_string()), __be_tmp); };
                add_element_to_object(&mut self.options, &Value::Str("userId".to_string()), userId.clone());
                add_element_to_object(&mut self.options, &Value::Str("wsSessionToken".to_string()), sessionToken.clone());
                // settle the flight: client.resolve deletes the future from
                // client.futures and wakes every waiter parked on it
                client.resolve(&[sessionToken.clone(), 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.clone(), messageHash.clone()]);
            }
            // 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 = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        self.authenticate(&[]).await;
        messageHash = add(&messageHash, &add(&Value::Str("-".to_string()), &get_value(&self.options, &Value::Str("userId".to_string()))));
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("event".to_string(), Value::Str("bts:subscribe".to_string()));
                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(), get_value(&self.options, &Value::Str("wsSessionToken".to_string())));
    m
}));
            m
        });
        add_element_to_object(&mut subscription, &Value::Str("messageHash".to_string()), messageHash.clone());
        let __ws_arg_0 = self.extend(request.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[__ws_arg_0, messageHash.clone(), subscription.clone()]).await;

    Value::Null
}
}