ccxt-pro 4.5.83

// 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 BackpackCore {
    pub parent: crate::exchanges::backpack::BackpackCore,
}

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

    pub fn init(&mut self) {
        let described = BackpackCore::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 BackpackCore {
    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 BackpackCore {
    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 {
                "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 },
                "handle_unsubscriptions" => { self.handle_unsubscriptions(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)).await; crate::Value::Null },
                "parse_ws_bid_ask" => self.parse_ws_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_ohlcv" => self.parse_ws_ohlcv(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_order_side" => self.parse_ws_order_side(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "parse_ws_order_status" => self.parse_ws_order_status(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_position" => self.parse_ws_position(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_ticker" => self.parse_ws_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "un_watch_bids_asks" => self.un_watch_bids_asks(&args[..]).await,
                "un_watch_ohlcv" => self.un_watch_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "un_watch_ohlcv_for_symbols" => self.un_watch_ohlcv_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).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_order_book_for_symbols" => self.un_watch_order_book_for_symbols(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_positions" => self.un_watch_positions(&args[..]).await,
                "un_watch_ticker" => self.un_watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "un_watch_tickers" => self.un_watch_tickers(&args[..]).await,
                "un_watch_trades" => self.un_watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "un_watch_trades_for_symbols" => self.un_watch_trades_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_bids_asks" => self.watch_bids_asks(&args[..]).await,
                "watch_ohlcv" => self.watch_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_ohlcv_for_symbols" => self.watch_ohlcv_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_order_book_for_symbols" => self.watch_order_book_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_orders" => self.watch_orders(&args[..]).await,
                "watch_positions" => self.watch_positions(&args[..]).await,
                "watch_private" => self.watch_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,
                "watch_public" => self.watch_public(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), &args[2.min(args.len())..]).await,
                "watch_ticker" => self.watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_tickers" => self.watch_tickers(&args[..]).await,
                "watch_trades" => self.watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_trades_for_symbols" => self.watch_trades_for_symbols(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 BackpackCore {
    /// 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 {
            "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_ask" => { self.handle_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); 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_ohlcv" => { self.handle_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order" => { self.handle_order(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_positions" => { self.handle_positions(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_ticker" => { self.handle_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_trades" => { self.handle_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_unsubscriptions" => { crate::exchange_stubs::enqueue_spawn("handle_unsubscriptions", args.to_vec()); crate::Value::Null },
            "parse_ws_bid_ask" => self.parse_ws_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_ohlcv" => self.parse_ws_ohlcv(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_order_side" => self.parse_ws_order_side(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "parse_ws_order_status" => self.parse_ws_order_status(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_position" => self.parse_ws_position(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_ticker" => self.parse_ws_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "un_watch_bids_asks" => { crate::exchange_stubs::enqueue_spawn("un_watch_bids_asks", args.to_vec()); crate::Value::Null },
            "un_watch_ohlcv" => { crate::exchange_stubs::enqueue_spawn("un_watch_ohlcv", args.to_vec()); crate::Value::Null },
            "un_watch_ohlcv_for_symbols" => { crate::exchange_stubs::enqueue_spawn("un_watch_ohlcv_for_symbols", 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_order_book_for_symbols" => { crate::exchange_stubs::enqueue_spawn("un_watch_order_book_for_symbols", 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_positions" => { crate::exchange_stubs::enqueue_spawn("un_watch_positions", args.to_vec()); crate::Value::Null },
            "un_watch_ticker" => { crate::exchange_stubs::enqueue_spawn("un_watch_ticker", args.to_vec()); crate::Value::Null },
            "un_watch_tickers" => { crate::exchange_stubs::enqueue_spawn("un_watch_tickers", args.to_vec()); crate::Value::Null },
            "un_watch_trades" => { crate::exchange_stubs::enqueue_spawn("un_watch_trades", args.to_vec()); crate::Value::Null },
            "un_watch_trades_for_symbols" => { crate::exchange_stubs::enqueue_spawn("un_watch_trades_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_bids_asks" => { crate::exchange_stubs::enqueue_spawn("watch_bids_asks", args.to_vec()); crate::Value::Null },
            "watch_ohlcv" => { crate::exchange_stubs::enqueue_spawn("watch_ohlcv", args.to_vec()); crate::Value::Null },
            "watch_ohlcv_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_ohlcv_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_order_book" => { crate::exchange_stubs::enqueue_spawn("watch_order_book", args.to_vec()); crate::Value::Null },
            "watch_order_book_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_order_book_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_orders" => { crate::exchange_stubs::enqueue_spawn("watch_orders", args.to_vec()); crate::Value::Null },
            "watch_positions" => { crate::exchange_stubs::enqueue_spawn("watch_positions", args.to_vec()); crate::Value::Null },
            "watch_private" => { crate::exchange_stubs::enqueue_spawn("watch_private", args.to_vec()); crate::Value::Null },
            "watch_public" => { crate::exchange_stubs::enqueue_spawn("watch_public", args.to_vec()); crate::Value::Null },
            "watch_ticker" => { crate::exchange_stubs::enqueue_spawn("watch_ticker", args.to_vec()); crate::Value::Null },
            "watch_tickers" => { crate::exchange_stubs::enqueue_spawn("watch_tickers", args.to_vec()); crate::Value::Null },
            "watch_trades" => { crate::exchange_stubs::enqueue_spawn("watch_trades", args.to_vec()); crate::Value::Null },
            "watch_trades_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_trades_for_symbols", args.to_vec()); crate::Value::Null },
            _ => crate::Value::Null,
        }
    }
}

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

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

impl BackpackCore {
    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("watchBidsAsks".to_string(), Value::Bool(true));
        m.insert("watchMyTrades".to_string(), Value::Bool(false));
        m.insert("watchOHLCV".to_string(), Value::Bool(true));
        m.insert("watchOHLCVForSymbols".to_string(), Value::Bool(true));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchOrderBookForSymbols".to_string(), Value::Bool(true));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchPositions".to_string(), Value::Bool(true));
        m.insert("watchTicker".to_string(), Value::Bool(true));
        m.insert("watchTickers".to_string(), Value::Bool(true));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("unwatchBidsAsks".to_string(), Value::Bool(true));
        m.insert("unwatchOHLCV".to_string(), Value::Bool(true));
        m.insert("unwatchOHLCVForSymbols".to_string(), Value::Bool(true));
        m.insert("unwatchOrderBook".to_string(), Value::Bool(true));
        m.insert("unwatchOrderBookForSymbols".to_string(), Value::Bool(true));
        m.insert("unwatchTicker".to_string(), Value::Bool(true));
        m.insert("unwatchTickers".to_string(), Value::Bool(true));
        m.insert("unWatchTrades".to_string(), Value::Bool(true));
        m.insert("unWatchTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("unWatchOrders".to_string(), Value::Bool(true));
        m.insert("unWatchPositions".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::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("public".to_string(), Value::Str("wss://ws.backpack.exchange".into()));
        m.insert("private".to_string(), Value::Str("wss://ws.backpack.exchange".into()));
    m
}));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("timeframes".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
    m
}));
        m.insert("streaming".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ping".to_string(), Value::Str("ping".into()).clone());
        m.insert("keepAlive".to_string(), Value::Int(119000));
    m
}));
    m
})]);

    Value::Null
}

    pub async fn watch_public(&mut self, mut topics: Value, mut messageHashes: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut unwatch = get_arg(optional_args, 1, Value::Bool(false));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut url: Value = crate::value::get_value_k(&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), "public");
        let mut method: Value = (if is_true(&unwatch) { Value::Str("UNSUBSCRIBE".into()) } else { Value::Str("SUBSCRIBE".into()) });
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("method".to_string(), method);
                m.insert("params".to_string(), topics);
            m
        });
        let mut message: Value = self.deep_extend(request, &[params]);
        if is_true(&unwatch) {
            self.handle_unsubscriptions(url.clone(), messageHashes.clone(), message.clone()).await;
            return Value::Null;
        }
        return self.watch_multiple(url, messageHashes.clone(), &[message, messageHashes.clone()]).await;

    Value::Null
}

    pub async fn watch_private(&mut self, mut topics: Value, mut messageHashes: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut unwatch = get_arg(optional_args, 1, Value::Bool(false));
        self.check_required_credentials(&[]);
        let mut url: Value = crate::value::get_value_k(&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), "private");
        let mut instruction: Value = Value::Str("subscribe".into());
        let mut ts: Value = to_string_val(&self.nonce());
        let mut method: Value = (if is_true(&unwatch) { Value::Str("UNSUBSCRIBE".into()) } else { Value::Str("SUBSCRIBE".into()) });
        let mut recvWindow: Value = self.safe_string2(self.options.clone(), Value::Str("recvWindow".into()), Value::Str("X-Window".into()), &[Value::Str("5000".into())]);
        let mut payload: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("instruction=".into()), instruction).into()), Value::Str("&".into())).into()), Value::Str("timestamp=".into())).into()), ts).into()), Value::Str("&window=".into())).into()), recvWindow).into());
        let mut secretBytes: Value = self.base64_to_binary(self.secret.clone(), &[]);
        let mut seed: Value = self.array_slice(secretBytes, Value::Int(0), &[Value::Int(32)]);
        let mut signature: Value = eddsa(self.encode(payload), seed, Value::Str("ed25519".into()));
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("method".to_string(), method);
                m.insert("params".to_string(), topics);
                m.insert("signature".to_string(), Value::from(vec![self.apiKey.clone(), signature, ts, recvWindow]));
            m
        });
        let mut message: Value = self.deep_extend(request, &[params]);
        if is_true(&unwatch) {
            self.handle_unsubscriptions(url.clone(), messageHashes.clone(), message.clone()).await;
            return Value::Null;
        }
        return self.watch_multiple(url, messageHashes.clone(), &[message, messageHashes.clone()]).await;

    Value::Null
}

    pub async fn handle_unsubscriptions(&mut self, mut url: Value, mut messageHashes: Value, mut message: Value) {
        let mut client: Value = self.client(&[url.clone()]);
        self.watch_multiple(url, messageHashes.clone(), &[message, messageHashes.clone()]).await;
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_40: bool = true;
            while { if !__for_first_40 { 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_40 = false; i.as_f64().unwrap_or(f64::NAN) < ((messageHashes.len() as i64) as f64) } {
            let mut messageHash: Value = messageHashes.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 subMessageHash: Value = replace_str(&messageHash, &Value::Str("unsubscribe:".into()), &Value::Str("".into()));
            self.clean_unsubscription(client.clone(), subMessageHash, messageHash.clone(), &[]);
            if Value::Int(messageHash.as_str().and_then(|__s| __s.find("ticker")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:ticker:".into()), &Value::Str("".into()));
                if (in_op(&self.tickers, &symbol)) {
                    remove(&mut self.tickers, &symbol);
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("bidask")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:bidask:".into()), &Value::Str("".into()));
                if (in_op(&self.bidsasks, &symbol)) {
                    remove(&mut self.bidsasks, &symbol);
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("candles")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                let mut splitHashes: Value = split(&messageHash, &Value::Str(":".into()));
                let mut symbol: Value = self.safe_string(splitHashes.clone(), Value::Int(2), &[]);
                let mut timeframe: Value = self.safe_string(splitHashes, Value::Int(3), &[]);
                if (symbol != Value::Null) && (timeframe != Value::Null) && (in_op(&self.ohlcvs, &symbol)) {
                    if (in_op(&get_value(&self.ohlcvs, &symbol), &timeframe)) {
                        remove(&mut get_value(&self.ohlcvs, &symbol), &timeframe);
                    }
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("orderbook")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:orderbook:".into()), &Value::Str("".into()));
                if (in_op(&self.orderbooks, &symbol)) {
                    remove(&mut self.orderbooks, &symbol);
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("trades")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:trades:".into()), &Value::Str("".into()));
                if (in_op(&self.trades, &symbol)) {
                    remove(&mut self.trades, &symbol);
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("orders")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                if (messageHash.as_str() == Some("unsubscribe:orders")) {
                    let mut cache: Value = self.orders.clone();
                    if (cache != Value::Null) {
                        let mut keys: Value = object_keys(&cache);
                        {
                                                        let mut j: Value = Value::Int(0);
                            let mut __for_first_38: bool = true;
                            while { if !__for_first_38 { j = (match (&(j), &(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_38 = false; j.as_f64().unwrap_or(f64::NAN) < ((keys.len() as i64) as f64) } {
                            let mut symbol: Value = keys.as_array().and_then(|__arr| match &j { 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);
                            remove(&mut cache, &symbol);
                        }
                        }
                    }
                }  else {
                    let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:orders:".into()), &Value::Str("".into()));
                    let mut cache: Value = self.orders.clone();
                    if (cache != Value::Null) && (in_op(&cache, &symbol)) {
                        remove(&mut cache, &symbol);
                    }
                }
            }  else if Value::Int(messageHash.as_str().and_then(|__s| __s.find("positions")).map(|__i| __i as i64).unwrap_or(-1)).as_f64().unwrap_or(f64::NAN) >= ((0i64) as f64) {
                if (messageHash.as_str() == Some("unsubscribe:positions")) {
                    let mut cache: Value = self.positions.clone();
                    let mut keys: Value = object_keys(&cache);
                    {
                                                let mut j: Value = Value::Int(0);
                        let mut __for_first_39: bool = true;
                        while { if !__for_first_39 { j = (match (&(j), &(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_39 = false; j.as_f64().unwrap_or(f64::NAN) < ((keys.len() as i64) as f64) } {
                        let mut symbol: Value = keys.as_array().and_then(|__arr| match &j { 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);
                        remove(&mut self.positions, &symbol);
                    }
                    }
                }  else {
                    let mut symbol: Value = replace_str(&messageHash, &Value::Str("unsubscribe:positions:".into()), &Value::Str("".into()));
                    if (in_op(&self.positions, &symbol)) {
                        remove(&mut self.positions, &symbol);
                    }
                }
            }
        }
        }
}

/*
 * @method
 * @name backpack#watchTicker
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Ticker
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_ticker(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut topic: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ticker".into()), Value::Str(".".into())).into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ticker".into()), Value::Str(":".into())).into()), symbol).into());
        return self.watch_public(Value::from(vec![topic]), Value::from(vec![messageHash]), &[params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchTicker
 * @description unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Ticker
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn un_watch_ticker(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        return self.un_watch_tickers(&[Value::from(vec![symbol]), params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#watchTickers
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Ticker
 * @param {string[]} symbols unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_tickers(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut messageHashes: Value = Value::from(vec![]);
        let mut topics: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_41: bool = true;
            while { if !__for_first_41 { 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_41 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("ticker:".into()), symbol).into()));
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("ticker.".into()), marketId).into()));
        }
        }
        self.watch_public(topics, messageHashes, &[params]).await;
        return self.filter_by_array(self.tickers.clone(), Value::Str("symbol".into()), &[symbols]);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchTickers
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Ticker
 * @param {string[]} symbols unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn un_watch_tickers(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_42: bool = true;
            while { if !__for_first_42 { 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_42 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("ticker.".into()), marketId).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("unsubscribe:ticker:".into()), symbol).into()));
        }
        }
        return self.watch_public(topics, messageHashes, &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             E: '1754176123312507',
        //             V: '19419526.742584',
        //             c: '3398.57',
        //             e: 'ticker',
        //             h: '3536.65',
        //             l: '3371.8',
        //             n: 17152,
        //             o: '3475.45',
        //             s: 'ETH_USDC',
        //             v: '5573.5827'
        //         },
        //         stream: 'bookTicker.ETH_USDC'
        //     }
        //
        let mut ticker: 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 marketId: Value = self.safe_string_k(ticker.clone(), "s", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone()]);
        let mut symbol: Value = self.safe_symbol(marketId, &[market.clone()]);
        let mut parsedTicker: Value = self.parse_ws_ticker(ticker, &[market]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ticker".into()), Value::Str(":".into())).into()), symbol).into());
        if let Value::Dict(__d) = &mut self.tickers { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), parsedTicker.clone()); }
        client.resolve(&[parsedTicker, messageHash]);
}

    pub fn parse_ws_ticker(&self, mut ticker: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         E: '1754178406415232',
        //         V: '19303818.6923',
        //         c: '3407.54',
        //         e: 'ticker',
        //         h: '3536.65',
        //         l: '3369.18',
        //         n: 17272,
        //         o: '3481.71',
        //         s: 'ETH_USDC',
        //         v: '5542.3911'
        //     }
        //
        let mut microseconds: Value = self.safe_integer_k(ticker.clone(), "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut marketId: Value = self.safe_string_k(ticker.clone(), "s", &[]);
        market = self.safe_market(&[marketId.clone(), market.clone()]);
        let mut symbol: Value = self.safe_symbol(marketId, &[market.clone()]);
        let mut last: Value = self.safe_string_k(ticker.clone(), "c", &[]);
        let mut open: Value = self.safe_string_k(ticker.clone(), "o", &[]);
        return self.safe_ticker(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("symbol".to_string(), symbol);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("high".to_string(), self.safe_number_k(ticker.clone(), "h", &[]));
        m.insert("low".to_string(), self.safe_number_k(ticker.clone(), "l", &[]));
        m.insert("bid".to_string(), Value::Null);
        m.insert("bidVolume".to_string(), Value::Null);
        m.insert("ask".to_string(), Value::Null);
        m.insert("askVolume".to_string(), Value::Null);
        m.insert("vwap".to_string(), Value::Null);
        m.insert("open".to_string(), open);
        m.insert("close".to_string(), last.clone());
        m.insert("last".to_string(), last);
        m.insert("previousClose".to_string(), Value::Null);
        m.insert("change".to_string(), Value::Null);
        m.insert("percentage".to_string(), Value::Null);
        m.insert("average".to_string(), Value::Null);
        m.insert("baseVolume".to_string(), self.safe_string_k(ticker.clone(), "v", &[]));
        m.insert("quoteVolume".to_string(), self.safe_string_k(ticker.clone(), "V", &[]));
        m.insert("info".to_string(), ticker);
    m
}), &[market]);

    Value::Null
}

/*
 * @method
 * @name backpack#watchBidsAsks
 * @description watches best bid & ask for symbols
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Book-ticker
 * @param {string[]} symbols unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_bids_asks(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_43: bool = true;
            while { if !__for_first_43 { 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_43 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("bookTicker.".into()), marketId).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("bidask:".into()), symbol).into()));
        }
        }
        self.watch_public(topics, messageHashes, &[params]).await;
        return self.filter_by_array(self.bidsasks.clone(), Value::Str("symbol".into()), &[symbols]);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchBidsAsks
 * @description unWatches best bid & ask for symbols
 * @param {string[]} symbols unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn un_watch_bids_asks(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_44: bool = true;
            while { if !__for_first_44 { 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_44 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("bookTicker.".into()), marketId).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("unsubscribe:bidask:".into()), symbol).into()));
        }
        }
        return self.watch_public(topics, messageHashes, &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_bid_ask(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             A: '0.4087',
        //             B: '0.0020',
        //             E: '1754517402450016',
        //             T: '1754517402449064',
        //             a: '3667.50',
        //             b: '3667.49',
        //             e: 'bookTicker',
        //             s: 'ETH_USDC',
        //             u: 1328288557
        //         },
        //         stream: 'bookTicker.ETH_USDC'
        //     }
        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 marketId: Value = self.safe_string_k(data.clone(), "s", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone()]);
        let mut symbol: Value = self.safe_symbol(marketId, &[market.clone()]);
        let mut parsedBidAsk: Value = self.parse_ws_bid_ask(data, &[market]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("bidask".into()), Value::Str(":".into())).into()), symbol).into());
        if let Value::Dict(__d) = &mut self.bidsasks { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), parsedBidAsk.clone()); }
        client.resolve(&[parsedBidAsk, messageHash]);
}

    pub fn parse_ws_bid_ask(&self, mut ticker: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         A: '0.4087',
        //         B: '0.0020',
        //         E: '1754517402450016',
        //         T: '1754517402449064',
        //         a: '3667.50',
        //         b: '3667.49',
        //         e: 'bookTicker',
        //         s: 'ETH_USDC',
        //         u: 1328288557
        //     }
        //
        let mut marketId: Value = self.safe_string_k(ticker.clone(), "s", &[]);
        market = self.safe_market(&[marketId, market.clone()]);
        let mut symbol: Value = self.safe_string_k(market.clone(), "symbol", &[]);
        let mut microseconds: Value = self.safe_integer_k(ticker.clone(), "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut ask: Value = self.safe_string_k(ticker.clone(), "a", &[]);
        let mut askVolume: Value = self.safe_string_k(ticker.clone(), "A", &[]);
        let mut bid: Value = self.safe_string_k(ticker.clone(), "b", &[]);
        let mut bidVolume: Value = self.safe_string_k(ticker.clone(), "B", &[]);
        return self.safe_ticker(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("symbol".to_string(), symbol);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("ask".to_string(), ask);
        m.insert("askVolume".to_string(), askVolume);
        m.insert("bid".to_string(), bid);
        m.insert("bidVolume".to_string(), bidVolume);
        m.insert("info".to_string(), ticker);
    m
}), &[market]);

    Value::Null
}

/*
 * @method
 * @name backpack#watchOHLCV
 * @description watches historical candlestick data containing the open, high, low, close price, and the volume of a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/K-Line
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn watch_ohlcv(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut timeframe = get_arg(optional_args, 0, Value::Str("1m".into()));
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut result: Value = self.watch_ohlcv_for_symbols(Value::from(vec![Value::from(vec![symbol.clone(), timeframe.clone()])]), &[since, limit, params]).await;
        return get_value(&get_value(&result, &symbol), &timeframe);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchOHLCV
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/K-Line
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn un_watch_ohlcv(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut timeframe = get_arg(optional_args, 0, Value::Str("1m".into()));
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        return self.un_watch_ohlcv_for_symbols(Value::from(vec![Value::from(vec![symbol, timeframe])]), &[params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#watchOHLCVForSymbols
 * @description watches historical candlestick data containing the open, high, low, close price, and the volume of a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/K-Line
 * @param {string[][]} symbolsAndTimeframes array of arrays containing unified symbols and timeframes to fetch OHLCV data for, example [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn watch_ohlcv_for_symbols(&mut self, mut symbolsAndTimeframes: 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
}));
        let mut symbolsLength: f64 = ((symbolsAndTimeframes.len() as i64) as f64);
        if (symbolsLength == 0.0) || !(matches!(&symbolsAndTimeframes.as_array().and_then(|__arr| __arr.get(0)).cloned().unwrap_or(Value::Null), Value::Arr(_))) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" watchOHLCVForSymbols() requires a an array of symbols and timeframes, like  ['ETH/USDC', '1m']".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_45: bool = true;
            while { if !__for_first_45 { 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_45 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbolsAndTimeframes.len() as i64) as f64) } {
            let mut symbolAndTimeframe: Value = symbolsAndTimeframes.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 marketId: Value = self.safe_string(symbolAndTimeframe.clone(), Value::Int(0), &[]);
            let mut market: Value = self.market(marketId);
            let mut tf: Value = self.safe_string(symbolAndTimeframe, Value::Int(1), &[]);
            let mut interval: Value = self.safe_string(self.timeframes.clone(), tf.clone(), &[tf.clone()]);
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("kline.".into()), interval).into()), Value::Str(".".into())).into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("candles:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into()), Value::Str(":".into())).into()), interval).into()));
        }
        }
        let mut symboltimeframecandlesVariable = self.watch_public(topics, messageHashes, &[params]).await;
        let mut symbol: Value = get_value(&symboltimeframecandlesVariable, &Value::Int(0));
        let mut timeframe: Value = get_value(&symboltimeframecandlesVariable, &Value::Int(1));
        let mut candles: Value = get_value(&symboltimeframecandlesVariable, &Value::Int(2));
        if is_true(&self.newUpdates) {
            limit = candles.get_limit(symbol.clone(), limit.clone());
        }
        let mut filtered: Value = self.filter_by_since_limit(candles, &[since, limit, Value::Int(0), Value::Bool(true)]);
        return self.create_ohlcv_object(symbol, timeframe, filtered);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchOHLCVForSymbols
 * @description unWatches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/K-Line
 * @param {string[][]} symbolsAndTimeframes array of arrays containing unified symbols and timeframes to fetch OHLCV data for, example [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn un_watch_ohlcv_for_symbols(&mut self, mut symbolsAndTimeframes: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut symbolsLength: f64 = ((symbolsAndTimeframes.len() as i64) as f64);
        if (symbolsLength == 0.0) || !(matches!(&symbolsAndTimeframes.as_array().and_then(|__arr| __arr.get(0)).cloned().unwrap_or(Value::Null), Value::Arr(_))) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" unWatchOHLCVForSymbols() requires a an array of symbols and timeframes, like  ['ETH/USDC', '1m']".into()))));
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_46: bool = true;
            while { if !__for_first_46 { 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_46 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbolsAndTimeframes.len() as i64) as f64) } {
            let mut symbolAndTimeframe: Value = symbolsAndTimeframes.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 marketId: Value = self.safe_string(symbolAndTimeframe.clone(), Value::Int(0), &[]);
            let mut market: Value = self.market(marketId);
            let mut tf: Value = self.safe_string(symbolAndTimeframe, Value::Int(1), &[]);
            let mut interval: Value = self.safe_string(self.timeframes.clone(), tf.clone(), &[tf.clone()]);
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("kline.".into()), interval).into()), Value::Str(".".into())).into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("unsubscribe:candles:".into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into()), Value::Str(":".into())).into()), interval).into()));
        }
        }
        return self.watch_public(topics, messageHashes, &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_ohlcv(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             E: '1754519557526056',
        //             T: '2025-08-07T00:00:00',
        //             X: false,
        //             c: '3680.520000000',
        //             e: 'kline',
        //             h: '3681.370000000',
        //             l: '3667.650000000',
        //             n: 255,
        //             o: '3670.150000000',
        //             s: 'ETH_USDC',
        //             t: '2025-08-06T22:00:00',
        //             v: '62.2621000'
        //         },
        //         stream: 'kline.2h.ETH_USDC'
        //     }
        //
        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 marketId: Value = self.safe_string_k(data.clone(), "s", &[]);
        let mut market: Value = self.market(marketId);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut stream: Value = (match message.get("stream") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Str("".into()) });
        let mut parts: Value = split(&stream, &Value::Str(".".into()));
        let mut timeframe: Value = self.safe_string(parts, Value::Int(1), &[Value::Str("".into())]);
        if !(in_op(&self.ohlcvs, &symbol)) {
            if let Value::Dict(__d) = &mut self.ohlcvs { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
})); }
        }
        if !(in_op(&get_value(&self.ohlcvs, &symbol), &timeframe)) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "OHLCVLimit", &[Value::Int(1000)]);
            let mut stored = ArrayCacheByTimestamp::new(limit);
            add_element_to_object(get_value_mut(&mut self.ohlcvs, &symbol), &timeframe, stored);
        }
        let mut ohlcv: Value = get_value(&get_value(&self.ohlcvs, &symbol), &timeframe);
        let mut parsed: Value = self.parse_ws_ohlcv(data, &[]);
        ohlcv.append(parsed);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("candles:".into()), symbol).into()), Value::Str(":".into())).into()), timeframe).into());
        client.resolve(&[Value::from(vec![symbol, timeframe, ohlcv]), messageHash]);
}

    pub fn parse_ws_ohlcv(&self, mut ohlcv: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        return Value::from(vec![self.parse8601(self.safe_string_k(ohlcv.clone(), "T", &[])), self.safe_number_k(ohlcv.clone(), "o", &[]), self.safe_number_k(ohlcv.clone(), "h", &[]), self.safe_number_k(ohlcv.clone(), "l", &[]), self.safe_number_k(ohlcv.clone(), "c", &[]), self.safe_number_k(ohlcv, "v", &[])]);

    Value::Null
}

/*
 * @method
 * @name backpack#watchTrades
 * @description watches information on multiple trades made in a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Trade
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @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 [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    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
}));
        return self.watch_trades_for_symbols(Value::from(vec![symbol]), &[since, limit, params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchTrades
 * @description unWatches from the stream channel
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Trade
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @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 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
}));
        return self.un_watch_trades_for_symbols(Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#watchTradesForSymbols
 * @description watches information on multiple trades made in a market
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Trade
 * @param {string[]} symbols unified symbol of the market to fetch trades for
 * @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 [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_trades_for_symbols(&mut self, mut symbols: 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;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut symbolsLength: f64 = ((symbols.len() as i64) as f64);
        if (symbolsLength == 0.0) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" watchTradesForSymbols() requires a non-empty array of symbols".into()))));
        }
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_47: bool = true;
            while { if !__for_first_47 { 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_47 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("trade.".into()), marketId).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).into()));
        }
        }
        let mut trades: Value = self.watch_public(topics, messageHashes, &[params]).await;
        if is_true(&self.newUpdates) {
            let mut first: Value = self.safe_dict(trades.clone(), Value::Int(0), &[]);
            let mut tradeSymbol: Value = self.safe_string_k(first, "symbol", &[]);
            limit = trades.get_limit(tradeSymbol, limit.clone());
        }
        let mut result: Value = self.filter_by_since_limit(trades, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);
        return self.sort_by(result, Value::Str("timestamp".into()), &[]);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchTradesForSymbols
 * @description unWatches from the stream channel
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Trade
 * @param {string[]} symbols unified symbol of the market to fetch trades for
 * @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 un_watch_trades_for_symbols(&mut self, mut symbols: 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;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut symbolsLength: f64 = ((symbols.len() as i64) as f64);
        if (symbolsLength == 0.0) {
            panic!("{}", crate::exchange_errors::arguments_required(format!("{}{}", self.id.clone(), Value::Str(" unWatchTradesForSymbols() requires a non-empty array of symbols".into()))));
        }
        let mut topics: Value = Value::from(vec![]);
        let mut messageHashes: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_48: bool = true;
            while { if !__for_first_48 { 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_48 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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 marketId: Value = self.market_id(symbol.clone());
            append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("trade.".into()), marketId).into()));
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("unsubscribe:trades:".into()), symbol).into()));
        }
        }
        return self.watch_public(topics, messageHashes, &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_trades(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             E: '1754601477746429',
        //             T: '1754601477744000',
        //             a: '5121860761',
        //             b: '5121861755',
        //             e: 'trade',
        //             m: false,
        //             p: '3870.25',
        //             q: '0.0008',
        //             s: 'ETH_USDC_PERP',
        //             t: 10782547
        //         },
        //         stream: 'trade.ETH_USDC_PERP'
        //     }
        //
        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 marketId: Value = self.safe_string_k(data.clone(), "s", &[]);
        let mut market: Value = self.market(marketId);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        if !(in_op(&self.trades, &symbol)) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            let mut stored = ArrayCache::new(limit);
            if let Value::Dict(__d) = &mut self.trades { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), stored); }
        }
        let mut cache: Value = get_value(&self.trades, &symbol);
        let mut trade: Value = self.parse_ws_trade(data, &[market]);
        cache.append(trade);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("trades:".into()), symbol).into());
        client.resolve(&[cache.clone(), messageHash]);
        client.resolve(&[cache, Value::Str("trades".into())]);
}

    pub fn parse_ws_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         E: '1754601477746429',
        //         T: '1754601477744000',
        //         a: '5121860761',
        //         b: '5121861755',
        //         e: 'trade',
        //         m: false,
        //         p: '3870.25',
        //         q: '0.0008',
        //         s: 'ETH_USDC_PERP',
        //         t: 10782547
        //     }
        //
        let mut microseconds: Value = self.safe_integer_k(trade.clone(), "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut id: Value = self.safe_string_k(trade.clone(), "t", &[]);
        let mut marketId: Value = self.safe_string_k(trade.clone(), "s", &[]);
        market = self.safe_market(&[marketId, market.clone()]);
        let mut isBuyerMaker: Value = self.safe_bool_k(trade.clone(), "m", &[]);
        let mut side: Value = Value::Null;
        let mut takerOrMaker: Value = Value::Null;
        if (isBuyerMaker != Value::Null) {
            takerOrMaker = Value::Str("taker".into());
            if isBuyerMaker.as_bool() == Some(true) {
                side = Value::Str("sell".into());
            }  else {
                side = Value::Str("buy".into());
            }
        }
        let mut price: Value = self.safe_string_k(trade.clone(), "p", &[]);
        let mut amount: Value = self.safe_string_k(trade.clone(), "q", &[]);
        let mut orderId: Value = Value::Null;
        if (side.as_str() == Some("buy")) {
            orderId = self.safe_string_k(trade.clone(), "b", &[]);
        }  else {
            orderId = self.safe_string_k(trade.clone(), "a", &[]);
        }
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), trade);
        m.insert("id".to_string(), id);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("symbol".to_string(), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null));
        m.insert("order".to_string(), orderId);
        m.insert("type".to_string(), Value::Null);
        m.insert("side".to_string(), side);
        m.insert("takerOrMaker".to_string(), takerOrMaker);
        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::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("currency".to_string(), Value::Null);
        m.insert("cost".to_string(), Value::Null);
    m
}));
    m
}), &[market]);

    Value::Null
}

/*
 * @method
 * @name backpack#watchOrderBook
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Depth
 * @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} A dictionary of [order book structures]{@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
}));
        return self.watch_order_book_for_symbols(Value::from(vec![symbol]), &[limit, params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#watchOrderBookForSymbols
 * @see https://docs.backpack.exchange/#tag/Streams/Public/Depth
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string[]} symbols unified array of symbols
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.method] either '/market/level2' or '/spotMarket/level2Depth5' or '/spotMarket/level2Depth50' default is '/market/level2'
 * @returns {object} an [order book structure]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn watch_order_book_for_symbols(&mut self, mut symbols: 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut marketIds: Value = self.market_ids(&[symbols.clone()]);
        let mut messageHashes: Value = Value::from(vec![]);
        let mut topics: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_49: bool = true;
            while { if !__for_first_49 { 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_49 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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);
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into()));
            let mut marketId: Value = marketIds.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 topic: Value = Value::Str(format!("{}{}", Value::Str("depth.".into()), marketId).into());
            append_to_array(&mut topics, topic);
        }
        }
        let mut orderbook: Value = self.watch_public(topics, messageHashes, &[params]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchOrderBook
 * @description unWatches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string} symbol unified array of symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    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
}));
        return self.un_watch_order_book_for_symbols(Value::from(vec![symbol]), &[params]).await;

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchOrderBookForSymbols
 * @description unWatches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string[]} symbols unified array of symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.method] either '/market/level2' or '/spotMarket/level2Depth5' or '/spotMarket/level2Depth50' default is '/market/level2'
 * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn un_watch_order_book_for_symbols(&mut self, mut symbols: 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut marketIds: Value = self.market_ids(&[symbols.clone()]);
        let mut messageHashes: Value = Value::from(vec![]);
        let mut topics: Value = Value::from(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_50: bool = true;
            while { if !__for_first_50 { 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_50 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
            let mut symbol: Value = symbols.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);
            append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str("unsubscribe:orderbook:".into()), symbol).into()));
            let mut marketId: Value = marketIds.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 topic: Value = Value::Str(format!("{}{}", Value::Str("depth.".into()), marketId).into());
            append_to_array(&mut topics, topic);
        }
        }
        return self.watch_public(topics, messageHashes, &[params, Value::Bool(true)]).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": {
        //             "E": "1754903057555305",
        //             "T": "1754903057554352",
        //             "U": 1345937436,
        //             "a": [],
        //             "b": [],
        //             "e": "depth",
        //             "s": "ETH_USDC",
        //             "u": 1345937436
        //         },
        //         "stream": "depth.ETH_USDC"
        //     }
        //
        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 marketId: Value = self.safe_string_k(data.clone(), "s", &[]);
        let mut symbol: Value = self.safe_symbol(marketId, &[]);
        if !(in_op(&self.orderbooks, &symbol)) {
            { 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); } }
        }
        let mut storedOrderBook: Value = get_value(&self.orderbooks, &symbol);
        let mut nonce: Value = self.safe_integer_k(storedOrderBook.clone(), "nonce", &[]);
        let mut deltaNonce: Value = self.safe_integer_k(data.clone(), "u", &[]);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str("orderbook:".into()), symbol).into());
        if (nonce == Value::Null) {
            let mut cacheLength: Value = Value::Int(get_value(&storedOrderBook, &Value::Str("cache".into())).len() as i64);
            // the rest API is very delayed
            // usually it takes at least 9 deltas to resolve
            let mut snapshotDelay: Value = self.handle_option(Value::Str("watchOrderBook".into()), Value::Str("snapshotDelay".into()), &[Value::Int(10)]);
            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()), data.clone());
            return;
        }  else if (deltaNonce != Value::Null) && (nonce.as_f64().unwrap_or(f64::NAN) > deltaNonce.as_f64().unwrap_or(f64::NAN)) {
            return;
        }
        self.handle_delta(storedOrderBook.clone(), data);
        client.resolve(&[storedOrderBook, messageHash]);
}

    pub fn handle_delta(&self, mut orderbook: Value, mut delta: Value) {
        let mut timestamp: Value = self.parse_to_int((match ((self.safe_integer_k(delta.clone(), "T", &[Value::Int(0)])).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        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(), "u", &[]));
        let mut bids: Value = self.safe_list_k(delta.clone(), "b", &[Value::from(vec![])]);
        let mut asks: Value = self.safe_list_k(delta, "a", &[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_51: bool = true;
            while { if !__for_first_51 { 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_51 = 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 cache: Value) -> Value {
        //
        // {"E":"1759338824897386","T":"1759338824895616","U":1662976171,"a":[],"b":[["117357.0","0.00000"]],"e":"depth","s":"BTC_USDC_PERP","u":1662976171}
        let mut firstDelta: Value = self.safe_dict(cache.clone(), Value::Int(0), &[]);
        let mut nonce: Value = self.safe_integer_k(orderbook, "nonce", &[]);
        let mut firstDeltaStart: Value = self.safe_integer_k(firstDelta, "U", &[]);
        if (nonce == Value::Null) {
            return get_array_length(&cache);
        }
        if (firstDeltaStart == Value::Null) {
            return Value::Int(-1);
        }
        if nonce.as_f64().unwrap_or(f64::NAN) < (match (&(firstDeltaStart), &(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 }).as_f64().unwrap_or(f64::NAN) {
            return Value::Int(-1);
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_52: bool = true;
            while { if !__for_first_52 { 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_52 = false; i.as_f64().unwrap_or(f64::NAN) < get_array_length(&cache).as_f64().unwrap_or(f64::NAN) } {
            let mut delta: Value = get_value(&cache, &i);
            let mut delta: Value = get_value(&cache, &i);
            let mut deltaStart: Value = self.safe_integer_k(delta.clone(), "U", &[]);
            let mut deltaEnd: Value = self.safe_integer_k(delta, "u", &[]);
            if (deltaStart == Value::Null) || (deltaEnd == Value::Null) {
                return get_array_length(&cache);
            }
            if (nonce.as_f64().unwrap_or(f64::NAN) >= (match (&(deltaStart), &(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 }).as_f64().unwrap_or(f64::NAN)) && (nonce.as_f64().unwrap_or(f64::NAN) < deltaEnd.as_f64().unwrap_or(f64::NAN)) {
                return i;
            }
        }
        }
        return get_array_length(&cache);

    Value::Null
}

/*
 * @method
 * @name backpack#watchOrders
 * @description watches information on multiple orders made by the user
 * @see https://docs.backpack.exchange/#tag/Streams/Private/Order-update
 * @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 (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = Value::Null;
        if (symbol != Value::Null) {
            market = self.market(symbol.clone());
            symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        }
        let mut topic: Value = Value::Str("account.orderUpdate".into());
        let mut messageHash: Value = Value::Str("orders".into());
        if (market != Value::Null) {
            topic = Value::Str(format!("{}{}", Value::Str("account.orderUpdate.".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
            messageHash = Value::Str(format!("{}{}", Value::Str("orders:".into()), symbol).into());
        }
        let mut orders: Value = self.watch_private(Value::from(vec![topic]), Value::from(vec![messageHash]), &[params]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_symbol_since_limit(orders, &[symbol, since, limit, Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchOrders
 * @description unWatches information on multiple orders made by the user
 * @see https://docs.backpack.exchange/#tag/Streams/Private/Order-update
 * @param {string} [symbol] unified market symbol of the market orders were made in
 * @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 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 (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = Value::Null;
        if (symbol != Value::Null) {
            market = self.market(symbol.clone());
            symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        }
        let mut topic: Value = Value::Str("account.orderUpdate".into());
        let mut messageHash: Value = Value::Str("unsubscribe:orders".into());
        if (market != Value::Null) {
            topic = Value::Str(format!("{}{}", Value::Str("account.orderUpdate.".into()), market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).into());
            messageHash = Value::Str(format!("{}{}", Value::Str("unsubscribe:orders:".into()), symbol).into());
        }
        return self.watch_private(Value::from(vec![topic]), Value::from(vec![messageHash]), &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_order(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             E: '1754939110175843',
        //             O: 'USER',
        //             Q: '4.30',
        //             S: 'Bid',
        //             T: '1754939110174703',
        //             V: 'RejectTaker',
        //             X: 'New',
        //             Z: '0',
        //             e: 'orderAccepted',
        //             f: 'GTC',
        //             i: '5406825793',
        //             o: 'MARKET',
        //             q: '0.0010',
        //             r: false,
        //             s: 'ETH_USDC',
        //             t: null,
        //             z: '0'
        //         },
        //         stream: 'account.orderUpdate.ETH_USDC'
        //     }
        //
        let mut messageHash: Value = Value::Str("orders".into());
        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 marketId: Value = self.safe_string_k(data.clone(), "s", &[]);
        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 parsed: Value = self.parse_ws_order(data, &[market]);
        let mut orders: Value = self.orders.clone();
        if (orders == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
            orders = ArrayCacheBySymbolById::new(limit);
            self.orders = orders.clone();
        }
        orders.append(parsed);
        client.resolve(&[orders.clone(), messageHash.clone()]);
        let mut symbolSpecificMessageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", messageHash, Value::Str(":".into())).into()), symbol).into());
        client.resolve(&[orders, symbolSpecificMessageHash]);
}

    pub fn parse_ws_order(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         E: '1754939110175879',
        //         L: '4299.16',
        //         N: 'ETH',
        //         O: 'USER',
        //         Q: '4.30',
        //         S: 'Bid',
        //         T: '1754939110174705',
        //         V: 'RejectTaker',
        //         X: 'Filled',
        //         Z: '4.299160',
        //         e: 'orderFill',
        //         f: 'GTC',
        //         i: '5406825793',
        //         l: '0.0010',
        //         m: false,
        //         n: '0.000001',
        //         o: 'MARKET',
        //         q: '0.0010',
        //         r: false,
        //         s: 'ETH_USDC',
        //         t: 2888471,
        //         z: '0.0010'
        //     },
        //
        let mut id: Value = self.safe_string_k(order.clone(), "i", &[]);
        let mut clientOrderId: Value = self.safe_string_k(order.clone(), "c", &[]);
        let mut microseconds: Value = self.safe_integer_k(order.clone(), "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut status: Value = self.parse_ws_order_status(self.safe_string_k(order.clone(), "X", &[]), &[market.clone()]);
        let mut marketId: Value = self.safe_string_k(order.clone(), "s", &[]);
        market = self.safe_market(&[marketId, market.clone()]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut type_var: Value = self.safe_string_lower_k(order.clone(), "o", &[]);
        let mut timeInForce: Value = self.safe_string_k(order.clone(), "f", &[]);
        let mut side: Value = self.parse_ws_order_side(self.safe_string_k(order.clone(), "S", &[]));
        let mut price: Value = self.safe_string_k(order.clone(), "p", &[]);
        let mut triggerPrice: Value = self.safe_number_k(order.clone(), "P", &[]);
        let mut amount: Value = self.safe_string_k(order.clone(), "q", &[]);
        let mut cost: Value = self.safe_string_k(order.clone(), "Z", &[]);
        let mut filled: Value = self.safe_string_k(order.clone(), "l", &[]);
        let mut fee: Value = Value::Null;
        let mut feeCurrency: Value = self.safe_string_k(order.clone(), "N", &[]);
        if (feeCurrency != Value::Null) {
            fee = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("currency".to_string(), feeCurrency);
                    m.insert("cost".to_string(), Value::Null);
                m
            });
        }
        return self.safe_order(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("id".to_string(), id);
        m.insert("clientOrderId".to_string(), clientOrderId);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("lastTradeTimestamp".to_string(), Value::Null);
        m.insert("status".to_string(), status);
        m.insert("symbol".to_string(), symbol);
        m.insert("type".to_string(), type_var);
        m.insert("timeInForce".to_string(), timeInForce);
        m.insert("side".to_string(), side);
        m.insert("price".to_string(), price);
        m.insert("stopPrice".to_string(), Value::Null);
        m.insert("triggerPrice".to_string(), triggerPrice);
        m.insert("average".to_string(), Value::Null);
        m.insert("amount".to_string(), amount);
        m.insert("cost".to_string(), cost);
        m.insert("filled".to_string(), filled);
        m.insert("remaining".to_string(), Value::Null);
        m.insert("fee".to_string(), fee);
        m.insert("trades".to_string(), Value::Null);
        m.insert("info".to_string(), order);
    m
}), &[market]);

    Value::Null
}

    pub fn parse_ws_order_status(&self, mut status: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        let mut statuses: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("New".to_string(), Value::Str("open".into()));
                m.insert("Filled".to_string(), Value::Str("closed".into()));
                m.insert("Cancelled".to_string(), Value::Str("canceled".into()));
                m.insert("Expired".to_string(), Value::Str("canceled".into()));
                m.insert("PartiallyFilled".to_string(), Value::Str("open".into()));
                m.insert("TriggerPending".to_string(), Value::Str("open".into()));
                m.insert("TriggerFailed".to_string(), Value::Str("rejected".into()));
            m
        });
        return self.safe_string(statuses, status.clone(), &[status.clone()]);

    Value::Null
}

    pub fn parse_ws_order_side(&self, mut side: Value) -> Value {
        let mut sides: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("Bid".to_string(), Value::Str("buy".into()));
                m.insert("Ask".to_string(), Value::Str("sell".into()));
            m
        });
        return self.safe_string(sides, side.clone(), &[side.clone()]);

    Value::Null
}

/*
 * @method
 * @name backpack#watchPositions
 * @description watch all open positions
 * @see https://docs.backpack.exchange/#tag/Streams/Private/Position-update
 * @param {string[]} [symbols] list of unified market symbols to watch positions for
 * @param {int} [since] the earliest time in ms to fetch positions for
 * @param {int} [limit] the maximum number of positions to retrieve
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [position structure]{@link https://docs.ccxt.com/en/latest/manual.html#position-structure}
 */
    pub async fn watch_positions(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut messageHashes: Value = Value::from(vec![]);
        let mut topics: Value = Value::from(vec![]);
        if (symbols != Value::Null) {
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_53: bool = true;
                while { if !__for_first_53 { 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_53 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
                let mut symbol: Value = symbols.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);
                append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("positions".into()), Value::Str(":".into())).into()), symbol).into()));
                append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("account.positionUpdate.".into()), self.market_id(symbol)).into()));
            }
            }
        }  else {
            append_to_array(&mut messageHashes, Value::Str("positions".into()));
            append_to_array(&mut topics, Value::Str("account.positionUpdate".into()));
        }
        let mut positions: Value = self.watch_private(topics, messageHashes, &[params]).await;
        if is_true(&self.newUpdates) {
            return positions;
        }
        return self.filter_by_symbols_since_limit(self.positions.clone(), &[symbols, since, limit, Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name backpack#unWatchPositions
 * @description unWatches from the stream channel
 * @see https://docs.backpack.exchange/#tag/Streams/Private/Position-update
 * @param {string[]} [symbols] list of unified market symbols to watch positions for
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [position structure]{@link https://docs.ccxt.com/en/latest/manual.html#position-structure}
 */
    pub async fn un_watch_positions(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = 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;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut messageHashes: Value = Value::from(vec![]);
        let mut topics: Value = Value::from(vec![]);
        if (symbols != Value::Null) {
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_54: bool = true;
                while { if !__for_first_54 { 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_54 = false; i.as_f64().unwrap_or(f64::NAN) < ((symbols.len() as i64) as f64) } {
                let mut symbol: Value = symbols.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);
                append_to_array(&mut messageHashes, Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("unsubscribe:positions".into()), Value::Str(":".into())).into()), symbol).into()));
                append_to_array(&mut topics, Value::Str(format!("{}{}", Value::Str("account.positionUpdate.".into()), self.market_id(symbol)).into()));
            }
            }
        }  else {
            append_to_array(&mut messageHashes, Value::Str("unsubscribe:positions".into()));
            append_to_array(&mut topics, Value::Str("account.positionUpdate".into()));
        }
        return self.watch_private(topics, messageHashes, &[params, Value::Bool(true)]).await;

    Value::Null
}

    pub fn handle_positions(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         data: {
        //             B: '4236.36',
        //             E: '1754943862040486',
        //             M: '4235.88650933',
        //             P: '-0.000473',
        //             Q: '0.0010',
        //             T: '1754943862040487',
        //             b: '4238.479',
        //             e: 'positionOpened',
        //             f: '0.02',
        //             i: 5411399049,
        //             l: '0',
        //             m: '0.0125',
        //             n: '4.23588650933',
        //             p: '0',
        //             q: '0.0010',
        //             s: 'ETH_USDC_PERP'
        //         },
        //         stream: 'account.positionUpdate'
        //     }
        //
        let mut messageHash: Value = Value::Str("positions".into());
        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
}) });
        if (self.positions.clone() == Value::Null) {
            self.positions = ArrayCacheBySymbolById::new(Value::Null);
        }
        let mut cache: Value = self.positions.clone();
        let mut parsedPosition: Value = self.parse_ws_position(data.clone(), &[]);
        let mut microseconds: Value = self.safe_integer_k(data, "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        add_element_to_object(&mut parsedPosition, &Value::Str("timestamp".into()), timestamp.clone());
        add_element_to_object(&mut parsedPosition, &Value::Str("datetime".into()), self.iso8601(timestamp));
        cache.append(parsedPosition.clone());
        let mut symbolSpecificMessageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", messageHash, Value::Str(":".into())).into()), parsedPosition.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        client.resolve(&[Value::from(vec![parsedPosition.clone()]), messageHash]);
        client.resolve(&[Value::from(vec![parsedPosition]), symbolSpecificMessageHash]);
}

    pub fn parse_ws_position(&self, mut position: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         B: '4236.36',
        //         E: '1754943862040486',
        //         M: '4235.88650933',
        //         P: '-0.000473',
        //         Q: '0.0010',
        //         T: '1754943862040487',
        //         b: '4238.479',
        //         e: 'positionOpened',
        //         f: '0.02',
        //         i: 5411399049,
        //         l: '0',
        //         m: '0.0125',
        //         n: '4.23588650933',
        //         p: '0',
        //         q: '0.0010',
        //         s: 'ETH_USDC_PERP'
        //     }
        //
        let mut id: Value = self.safe_string_k(position.clone(), "i", &[]);
        let mut marketId: Value = self.safe_string_k(position.clone(), "s", &[]);
        let mut marketResolved: Value = self.safe_market(&[marketId, market.clone()]);
        market = marketResolved.clone();
        let mut symbol: Value = marketResolved.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut notional: Value = self.safe_string_k(position.clone(), "n", &[]);
        let mut liquidationPrice: Value = self.safe_string_k(position.clone(), "l", &[]);
        let mut entryPrice: Value = self.safe_string_k(position.clone(), "b", &[]);
        let mut realizedPnl: Value = self.safe_string_k(position.clone(), "p", &[]);
        let mut unrealisedPnl: Value = self.safe_string_k(position.clone(), "P", &[]);
        let mut contracts: Value = self.safe_string_k(position.clone(), "Q", &[]);
        let mut markPrice: Value = self.safe_string_k(position.clone(), "M", &[]);
        let mut netQuantity: Value = self.safe_number_k(position.clone(), "q", &[]);
        let mut hedged: Value = Value::Bool(false);
        let mut side: Value = Value::Str("long".into());
        if (netQuantity != Value::Null) {
            if netQuantity.as_f64().unwrap_or(f64::NAN) < ((0i64) as f64) {
                side = Value::Str("short".into());
            }
        }  else {
            hedged = Value::Null;
            side = Value::Null;
        }
        let mut microseconds: Value = self.safe_integer_k(position.clone(), "E", &[Value::Int(0)]);
        let mut timestamp: Value = self.parse_to_int((match ((microseconds).as_f64(), (Value::Int(1000)).as_f64()) { (Some(x), Some(y)) if y != 0.0 => Value::Float(x / y), _ => Value::Null }));
        let mut maintenanceMarginPercentage: Value = self.safe_number_k(position.clone(), "m", &[]);
        let mut initialMarginPercentage: Value = self.safe_number_k(position.clone(), "f", &[]);
        return self.safe_position(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), position);
        m.insert("id".to_string(), id);
        m.insert("symbol".to_string(), symbol);
        m.insert("notional".to_string(), notional);
        m.insert("marginMode".to_string(), Value::Null);
        m.insert("liquidationPrice".to_string(), liquidationPrice);
        m.insert("entryPrice".to_string(), entryPrice);
        m.insert("realizedPnl".to_string(), realizedPnl);
        m.insert("unrealizedPnl".to_string(), unrealisedPnl);
        m.insert("percentage".to_string(), Value::Null);
        m.insert("contracts".to_string(), contracts);
        m.insert("contractSize".to_string(), Value::Null);
        m.insert("markPrice".to_string(), markPrice);
        m.insert("side".to_string(), side);
        m.insert("hedged".to_string(), hedged);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("maintenanceMargin".to_string(), Value::Null);
        m.insert("maintenanceMarginPercentage".to_string(), maintenanceMarginPercentage);
        m.insert("collateral".to_string(), Value::Null);
        m.insert("initialMargin".to_string(), Value::Null);
        m.insert("initialMarginPercentage".to_string(), initialMarginPercentage);
        m.insert("leverage".to_string(), Value::Null);
        m.insert("marginRatio".to_string(), Value::Null);
    m
}));

    Value::Null
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        if (self.handle_error_message(client.clone(), message.clone()).as_bool() != Some(true)) {
            return;
        }
        let mut data: Value = self.safe_dict_k(message.clone(), "data", &[]);
        let mut event: Option<String> = self.safe_string_k(data, "e", &[]).as_str().map(str::to_owned);
        if (event.as_deref() == Some("ticker")) {
            self.handle_ticker(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("bookTicker")) {
            self.handle_bid_ask(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("kline")) {
            self.handle_ohlcv(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("trade")) {
            self.handle_trades(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("depth")) {
            self.handle_order_book(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("orderAccepted")) || (event.as_deref() == Some("orderUpdate")) || (event.as_deref() == Some("orderFill")) || (event.as_deref() == Some("orderCancelled")) || (event.as_deref() == Some("orderExpired")) || (event.as_deref() == Some("orderModified")) || (event.as_deref() == Some("triggerPlaced")) || (event.as_deref() == Some("triggerFailed")) {
            self.handle_order(client.clone(), message.clone());
        }  else if (event.as_deref() == Some("positionAdjusted")) || (event.as_deref() == Some("positionOpened")) || (event.as_deref() == Some("positionClosed")) || (event.as_deref() == Some("positionUpdated")) {
            self.handle_positions(client, message);
        }
}

    pub fn handle_error_message(&self, mut client: Value, mut message: Value) -> Value {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         id: null,
        //         error: {
        //             code: 4006,
        //             message: 'Invalid stream'
        //         }
        //     }
        //
        let mut error: Value = (match message.get("error") { Some(__v) if matches!(__v, Value::Dict(_)) => __v.clone(), _ => Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}) });
        let mut code: Option<i64> = self.safe_integer_k(error.clone(), "code", &[]).as_i64();
        let _try_result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
            if (code.is_some()) {
                let mut msg: Value = self.safe_string_k(error.clone(), "message", &[]);
                panic!("{}", crate::exchange_errors::exchange_error(format!("{}{}", Value::Str(format!("{}{}", self.id.clone(), Value::Str(" ".into())).into()), msg)));
            }
            return Value::Bool(true);
         #[allow(unreachable_code)] { Value::Null }}));
match _try_result { Ok(__try_ok) => { if !matches!(__try_ok, Value::Null) { return __try_ok; } return Value::Null; } Err(_try_err) => { let e: Value = panic_to_value(_try_err); 
            client.reject(&[e]);
         } }
        return Value::Bool(true);

    Value::Null
}
}