ccxt-pro 4.5.78

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

#![allow(unused, non_snake_case, clippy::all)]
use crate::Value;
use crate::get_value;
use crate::runtime::*;
// Base methods are now trait methods (review #1: static dispatch). Bring the
// traits into scope so `self.market(...)`, `self.safe_market(...)`,
// `self.load_markets(...)`, … on this Core resolve to the base defaults.
use crate::exchange_generated::ExchangeBase;
use crate::exchange::ExchangeRuntime;
use crate::pro::*;


pub struct OkxCore {
    pub parent: crate::exchanges::okx::OkxCore,
}

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

    pub fn init(&mut self) {
        let described = OkxCore::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 OkxCore {
    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 OkxCore {
    fn call_dynamic<'a>(&'a mut self, method: &'a str, args: Vec<crate::Value>)
        -> std::pin::Pin<Box<dyn std::future::Future<Output = crate::Value> + Send + 'a>>
    {
        Box::pin(async move {
            match method {
                "authenticate" => self.authenticate(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "cancel_all_orders_ws" => self.cancel_all_orders_ws(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "cancel_order_ws" => self.cancel_order_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "cancel_orders_ws" => self.cancel_orders_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "create_order_ws" => self.create_order_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args.get(4..).unwrap_or(&[]).to_vec()[..]).await,
                "edit_order_ws" => self.edit_order_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args.get(4..).unwrap_or(&[]).to_vec()[..]).await,
                "get_url" => self.get_url(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "handle_error_message" => self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
                "handle_order_book" => self.handle_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_order_book_message" => self.handle_order_book_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args.get(4..).unwrap_or(&[]).to_vec()[..]),
                "handle_pong" => self.handle_pong(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_subscription_status" => self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "order_to_trade" => self.order_to_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_bid_ask" => self.parse_ws_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_liquidation" => self.parse_ws_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_my_liquidation" => self.parse_ws_my_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "ping" => self.ping(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "request_id" => self.request_id(),
                "subscribe" => self.subscribe(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args.get(4..).unwrap_or(&[]).to_vec()[..]).await,
                "subscribe_multiple" => self.subscribe_multiple(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), &args.get(2..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_ohlcv" => self.un_watch_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_ohlcv_for_symbols" => self.un_watch_ohlcv_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_order_book" => self.un_watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_order_book_for_symbols" => self.un_watch_order_book_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_ticker" => self.un_watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_tickers" => self.un_watch_tickers(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_trades" => self.un_watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "un_watch_trades_for_symbols" => self.un_watch_trades_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_balance" => self.watch_balance(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_bids_asks" => self.watch_bids_asks(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_funding_rate" => self.watch_funding_rate(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_funding_rates" => self.watch_funding_rates(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_liquidations_for_symbols" => self.watch_liquidations_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_mark_price" => self.watch_mark_price(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_mark_prices" => self.watch_mark_prices(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_my_liquidations_for_symbols" => self.watch_my_liquidations_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_my_trades" => self.watch_my_trades(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_ohlcv" => self.watch_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_ohlcv_for_symbols" => self.watch_ohlcv_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_order_book_for_symbols" => self.watch_order_book_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_orders" => self.watch_orders(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_positions" => self.watch_positions(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_ticker" => self.watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_tickers" => self.watch_tickers(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_trades" => self.watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_trades_for_symbols" => self.watch_trades_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                // Go-style inheritance: an un-overridden method dispatches to the parent core.
                _ => crate::exchange_generated::ExchangeBase::call_dynamic(&mut self.parent, method, args).await,
            }
        })
    }
}
impl OkxCore {
    /// Synchronous WS handler dispatch — routes a handler-name string (from the
    /// venue's handle_message dispatch table) to the real handler method.
    #[allow(dead_code, unreachable_patterns, clippy::all)]
    pub fn dispatch_ws_handler(&mut self, __name: &crate::Value, args: &[crate::Value]) -> crate::Value {
        let __n = match __name { crate::Value::Str(s) => s.as_str(), _ => return crate::Value::Null };
        match __n {
            "authenticate" => { crate::exchange_stubs::enqueue_spawn("authenticate", args.to_vec()); crate::Value::Null },
            "cancel_all_orders_ws" => { crate::exchange_stubs::enqueue_spawn("cancel_all_orders_ws", args.to_vec()); crate::Value::Null },
            "cancel_order_ws" => { crate::exchange_stubs::enqueue_spawn("cancel_order_ws", args.to_vec()); crate::Value::Null },
            "cancel_orders_ws" => { crate::exchange_stubs::enqueue_spawn("cancel_orders_ws", args.to_vec()); crate::Value::Null },
            "create_order_ws" => { crate::exchange_stubs::enqueue_spawn("create_order_ws", args.to_vec()); crate::Value::Null },
            "edit_order_ws" => { crate::exchange_stubs::enqueue_spawn("edit_order_ws", args.to_vec()); crate::Value::Null },
            "get_url" => self.get_url(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "handle_authenticate" => { self.handle_authenticate(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_balance" => { self.handle_balance(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_balance_and_position" => { self.handle_balance_and_position(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); 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_cancel_all_orders" => { self.handle_cancel_all_orders(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_deltas" => { self.handle_deltas(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_error_message" => self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_funding_rate" => { self.handle_funding_rate(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_liquidation" => { self.handle_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_my_liquidation" => { self.handle_my_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_my_trades" => { self.handle_my_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_ohlcv" => { self.handle_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order_book" => self.handle_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_order_book_message" => self.handle_order_book_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), &args.get(4..).unwrap_or(&[]).to_vec()[..]),
            "handle_orders" => { self.handle_orders(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_place_orders" => { self.handle_place_orders(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_pong" => self.handle_pong(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(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_subscription_status" => self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(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_un_subscription_trades" => { self.handle_un_subscription_trades(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)); crate::Value::Null },
            "handle_unsubscription" => { self.handle_unsubscription(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_unsubscription_ohlcv" => { self.handle_unsubscription_ohlcv(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)); crate::Value::Null },
            "handle_unsubscription_order_book" => { self.handle_unsubscription_order_book(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)); crate::Value::Null },
            "handle_unsubscription_ticker" => { self.handle_unsubscription_ticker(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)); crate::Value::Null },
            "order_to_trade" => self.order_to_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_bid_ask" => self.parse_ws_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_liquidation" => self.parse_ws_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_my_liquidation" => self.parse_ws_my_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "ping" => self.ping(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "request_id" => self.request_id(),
            "subscribe" => { crate::exchange_stubs::enqueue_spawn("subscribe", args.to_vec()); crate::Value::Null },
            "subscribe_multiple" => { crate::exchange_stubs::enqueue_spawn("subscribe_multiple", 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_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_balance" => { crate::exchange_stubs::enqueue_spawn("watch_balance", args.to_vec()); crate::Value::Null },
            "watch_bids_asks" => { crate::exchange_stubs::enqueue_spawn("watch_bids_asks", args.to_vec()); crate::Value::Null },
            "watch_funding_rate" => { crate::exchange_stubs::enqueue_spawn("watch_funding_rate", args.to_vec()); crate::Value::Null },
            "watch_funding_rates" => { crate::exchange_stubs::enqueue_spawn("watch_funding_rates", args.to_vec()); crate::Value::Null },
            "watch_liquidations_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_liquidations_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_mark_price" => { crate::exchange_stubs::enqueue_spawn("watch_mark_price", args.to_vec()); crate::Value::Null },
            "watch_mark_prices" => { crate::exchange_stubs::enqueue_spawn("watch_mark_prices", args.to_vec()); crate::Value::Null },
            "watch_my_liquidations_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_my_liquidations_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_my_trades" => { crate::exchange_stubs::enqueue_spawn("watch_my_trades", 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_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 OkxCore {
    type Target = crate::exchange::Exchange;
    fn deref(&self) -> &crate::exchange::Exchange { std::ops::Deref::deref(&self.parent) }
}

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

impl OkxCore {
    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("watchTicker".to_string(), Value::Bool(true));
        m.insert("watchMarkPrice".to_string(), Value::Bool(true));
        m.insert("watchMarkPrices".to_string(), Value::Bool(true));
        m.insert("watchTickers".to_string(), Value::Bool(true));
        m.insert("watchBidsAsks".to_string(), Value::Bool(true));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("watchOrderBookForSymbols".to_string(), Value::Bool(true));
        m.insert("watchBalance".to_string(), Value::Bool(true));
        m.insert("watchLiquidations".to_string(), Value::Str("emulated".to_string()));
        m.insert("watchLiquidationsForSymbols".to_string(), Value::Bool(true));
        m.insert("watchMyLiquidations".to_string(), Value::Str("emulated".to_string()));
        m.insert("watchMyLiquidationsForSymbols".to_string(), Value::Bool(true));
        m.insert("watchOHLCV".to_string(), Value::Bool(true));
        m.insert("watchOHLCVForSymbols".to_string(), Value::Bool(true));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchMyTrades".to_string(), Value::Bool(true));
        m.insert("watchPositions".to_string(), Value::Bool(true));
        m.insert("watchFundingRate".to_string(), Value::Bool(true));
        m.insert("watchFundingRates".to_string(), Value::Bool(true));
        m.insert("createOrderWs".to_string(), Value::Bool(true));
        m.insert("editOrderWs".to_string(), Value::Bool(true));
        m.insert("cancelOrderWs".to_string(), Value::Bool(true));
        m.insert("cancelOrdersWs".to_string(), Value::Bool(true));
        m.insert("cancelAllOrdersWs".to_string(), Value::Bool(true));
    m
}));
        m.insert("urls".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("api".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://ws.okx.com:8443/ws/v5".to_string()));
    m
}));
        m.insert("test".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://wspap.okx.com:8443/ws/v5".to_string()));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("watchOrderBook".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("checksum".to_string(), Value::Bool(true));
        m.insert("depth".to_string(), Value::Str("books".to_string()));
    m
}));
        m.insert("watchBalance".to_string(), Value::Str("spot".to_string()));
        m.insert("watchTicker".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), Value::Str("tickers".to_string()));
    m
}));
        m.insert("watchTickers".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), Value::Str("tickers".to_string()));
    m
}));
        m.insert("watchOrders".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("type".to_string(), Value::Str("ANY".to_string()));
    m
}));
        m.insert("watchMyTrades".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("type".to_string(), Value::Str("ANY".to_string()));
    m
}));
        m.insert("createOrderWs".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("op".to_string(), Value::Str("batch-orders".to_string()));
    m
}));
        m.insert("editOrderWs".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("op".to_string(), Value::Str("amend-order".to_string()));
    m
}));
        m.insert("ws".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".to_string()).clone());
        m.insert("keepAlive".to_string(), Value::Int(18000));
    m
}));
    m
})]);

    Value::Null
}

    pub fn get_url(&self, mut channel: Value, optional_args: &[Value]) -> Value {
        let mut access = get_arg(optional_args, 0, Value::Str("public".to_string()));
        // for context: https://www.okx.com/help-center/changes-to-v5-api-websocket-subscription-parameter-and-url
        if is_equal(&channel, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" getUrl() requires a channel argument".to_string()))));
        }
        let mut isSandbox: Value = get_value(&self.options, &Value::Str("sandboxMode".to_string()));
        let mut sandboxSuffix: Value = ternary(is_true(&(is_equal(&isSandbox, &Value::Bool(true)))), Value::Str("?brokerId=9999".to_string()), Value::Str("".to_string()));
        let mut isBusiness: bool = is_equal(&access, &Value::Str("business".to_string()));
        let mut isPublic: bool = is_equal(&access, &Value::Str("public".to_string()));
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        if is_true(&isBusiness) || is_true(&(is_greater_than(&get_index_of(&channel, &Value::Str("candle".to_string())), &negate(&Value::Int(1))))) || is_true(&(is_equal(&channel, &Value::Str("orders-algo".to_string())))) {
            return add(&add(&url, &Value::Str("/business".to_string())), &sandboxSuffix);
        }  else if is_true(&isPublic) {
            return add(&add(&url, &Value::Str("/public".to_string())), &sandboxSuffix);
        }
        return add(&add(&url, &Value::Str("/private".to_string())), &sandboxSuffix);

    Value::Null
}

    pub async fn subscribe_multiple(&mut self, mut access: Value, mut channel: Value, 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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        if is_equal(&symbols, &Value::Null) {
            symbols = self.symbols.clone();
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut url: Value = self.get_url(channel.clone(), &[access.clone()]);
        let mut messageHashes: Value = Value::List(vec![]);
        let mut args: Value = Value::List(vec![]);
        if is_equal(&symbols, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" subscribeMultiple() symbols is required".to_string()))));
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_524: bool = true;
            while { if !__for_first_524 { i = add(&i, &Value::Int(1)); } __for_first_524 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            if is_equal(&symbols, &Value::Null) {
                panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" subscribeMultiple() symbols is required".to_string()))));
            }
            let mut marketId: Value = self.market_id(get_value(&symbols, &i));
            let mut arg: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut args, self.extend(arg.clone(), &[params.clone()]));
            if is_equal(&symbols, &Value::Null) {
                panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" subscribeMultiple() symbols is required".to_string()))));
            }
            append_to_array(&mut messageHashes, add(&add(&channel, &Value::Str("::".to_string())), &get_value(&symbols, &i)));
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), args.clone());
            m
        });
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

    pub async fn subscribe(&mut self, mut access: Value, mut messageHash: Value, mut channel: Value, 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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut url: Value = self.get_url(channel.clone(), &[access.clone()]);
        let mut firstArgument: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("channel".to_string(), channel.clone());
            m
        });
        if !is_equal(&symbol, &Value::Null) {
            let mut market: Value = self.market(symbol.clone());
            messageHash = add(&messageHash, &add(&Value::Str(":".to_string()), &get_value(&market, &Value::Str("id".to_string()))));
            add_element_to_object(&mut firstArgument, &Value::Str("instId".to_string()), get_value(&market, &Value::Str("id".to_string())));
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), Value::List(vec![self.deep_extend(firstArgument.clone(), &[params.clone()])]));
            m
        });
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchTrades
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-trades-channel
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-all-trades-channel
 * @description get the list of most recent trades for a particular symbol
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn watch_trades(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut since = get_arg(optional_args, 0, Value::Null);
        let mut limit = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        return self.watch_trades_for_symbols(Value::List(vec![symbol.clone()]), &[since.clone(), limit.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchTradesForSymbols
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-trades-channel
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-all-trades-channel
 * @description get the list of most recent trades for a particular symbol
 * @param {string} symbols
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, trades by default. Can be 'trades' and 'trades-all'
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    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
}));
        let mut symbolsLength: Value = get_array_length(&symbols);
        if is_equal(&symbolsLength, &Value::Int(0)) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchTradesForSymbols() requires a non-empty array of symbols".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchTrades".to_string()), Value::Str("channel".to_string()), &[Value::Str("trades".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_525: bool = true;
            while { if !__for_first_525 { i = add(&i, &Value::Int(1)); } __for_first_525 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut messageHashes, add(&add(&channel, &Value::Str(":".to_string())), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut access: Value = Value::Str("public".to_string());
        if is_equal(&channel, &Value::Str("trades-all".to_string())) {
            access = Value::Str("business".to_string());
            self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), access.clone());
    m
})]).await;
        }
        let mut url: Value = self.get_url(channel.clone(), &[access.clone()]);
        let mut trades: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;
        if is_true(&self.newUpdates) {
            let mut first: Value = self.safe_value(trades.clone(), Value::Int(0), &[]);
            let mut tradeSymbol: Value = self.safe_string_k(first.clone(), "symbol", &[]);
            limit = trades.get_limit(tradeSymbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(trades.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name okx#unWatchTradesForSymbols
 * @description unWatches from the stream channel
 * @param {string[]} symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, trades by default. Can be trades, trades-all
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchTrades".to_string()), Value::Str("channel".to_string()), &[Value::Str("trades".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_526: bool = true;
            while { if !__for_first_526 { i = add(&i, &Value::Int(1)); } __for_first_526 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut messageHashes, add(&add(&add(&Value::Str("unsubscribe:".to_string()), &channel), &Value::Str(":".to_string())), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("unsubscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut access: Value = Value::Str("public".to_string());
        if is_equal(&channel, &Value::Str("trades-all".to_string())) {
            access = Value::Str("business".to_string());
            self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), access.clone());
    m
})]).await;
        }
        let mut url: Value = self.get_url(channel.clone(), &[access.clone()]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#unWatchTrades
 * @description unWatches from the stream channel
 * @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::List(vec![symbol.clone()]), &[params.clone()]).await;

    Value::Null
}

    pub fn handle_trades(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg": { channel: "trades", instId: "BTC-USDT" },
        //         "data": [
        //             {
        //                 "instId": "BTC-USDT",
        //                 "tradeId": "216970876",
        //                 "px": "31684.5",
        //                 "sz": "0.00001186",
        //                 "side": "buy",
        //                 "ts": "1626531038288"
        //             }
        //         ]
        //     }
        //     {
        //         "arg": {
        //             "channel": "trades-all",
        //             "instId": "BTC-USDT"
        //         },
        //         "data": [
        //             {
        //                 "instId": "BTC-USDT",
        //                 "tradeId": "130639474",
        //                 "px": "42219.9",
        //                 "sz": "0.12060306",
        //                 "side": "buy",
        //                 "source": "0",
        //                 "ts": "1630048897897"
        //             }
        //         ]
        //     }
        //
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut tradesLimit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_527: bool = true;
            while { if !__for_first_527 { i = add(&i, &Value::Int(1)); } __for_first_527 = false; is_less_than(&i, &get_array_length(&data)) } {
            let mut trade: Value = self.parse_trade(get_value(&data, &i), &[]);
            let mut messageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &symbol);
            let mut stored: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
            if is_equal(&stored, &Value::Null) {
                stored = ArrayCache::new(tradesLimit.clone());
                add_element_to_object(&mut self.trades, &symbol, stored.clone());
            }
            stored.append(trade.clone());
            client.resolve(&[stored.clone(), messageHash.clone()]);
        }
        }
}

/*
 * @method
 * @name okx#watchFundingRate
 * @description watch the current funding rate
 * @see https://www.okx.com/docs-v5/en/#public-data-websocket-funding-rate-channel
 * @param {string} symbol unified market symbol
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [funding rate structure]{@link https://docs.ccxt.com/?id=funding-rate-structure}
 */
    pub async fn watch_funding_rate(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        symbol = self.symbol(symbol.clone());
        let mut fr: Value = self.watch_funding_rates(&[Value::List(vec![symbol.clone()]), params.clone()]).await;
        return get_value(&fr, &symbol);

    Value::Null
}

/*
 * @method
 * @name okx#watchFundingRates
 * @description watch the funding rate for multiple markets
 * @see https://www.okx.com/docs-v5/en/#public-data-websocket-funding-rate-channel
 * @param {string[]} symbols a list of unified market symbols
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a dictionary of [funding rates structures]{@link https://docs.ccxt.com/?id=funding-rate-structure}, indexed by market symbols
 */
    pub async fn watch_funding_rates(&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 is_equal(&symbols, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchFundingRates() requires an array of symbols".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut channel: Value = Value::Str("funding-rate".to_string());
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_528: bool = true;
            while { if !__for_first_528 { i = add(&i, &Value::Int(1)); } __for_first_528 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut messageHashes, add(&add(&channel, &Value::Str(":".to_string())), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(channel.clone(), &[Value::Str("public".to_string())]);
        let mut fundingRate: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;
        if is_true(&self.newUpdates) {
            let mut symbol: Value = self.safe_string_k(fundingRate.clone(), "symbol", &[]);
            let mut result: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            });
            if !is_equal(&symbol, &Value::Null) {
                add_element_to_object(&mut result, &symbol, fundingRate.clone());
            }
            return result;
        }
        return self.filter_by_array(self.fundingRates.clone(), Value::Str("symbol".to_string()), &[symbols.clone()]);

    Value::Null
}

    pub fn handle_funding_rate(&mut self, mut client: Value, mut message: Value) {
        //
        // "data":[
        //     {
        //        "fundingRate":"0.0001875391284828",
        //        "fundingTime":"1700726400000",
        //        "instId":"BTC-USD-SWAP",
        //        "instType":"SWAP",
        //        "method": "next_period",
        //        "maxFundingRate":"0.00375",
        //        "minFundingRate":"-0.00375",
        //        "nextFundingRate":"0.0002608059239328",
        //        "nextFundingTime":"1700755200000",
        //        "premium": "0.0001233824646391",
        //        "settFundingRate":"0.0001699799259033",
        //        "settState":"settled",
        //        "ts":"1700724675402"
        //     }
        // ]
        //
        let mut data: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_529: bool = true;
            while { if !__for_first_529 { i = add(&i, &Value::Int(1)); } __for_first_529 = false; is_less_than(&i, &get_array_length(&data)) } {
            let mut rawfr: Value = get_value(&data, &i);
            let mut rawfr: Value = get_value(&data, &i);
            let mut fundingRate: Value = self.parse_funding_rate(rawfr.clone(), &[]);
            let mut symbol: Value = get_value(&fundingRate, &Value::Str("symbol".to_string()));
            if !is_equal(&symbol, &Value::Null) {
                add_element_to_object(&mut self.fundingRates, &symbol, fundingRate.clone());
            }
            client.resolve(&[fundingRate.clone(), add(&add(&Value::Str("funding-rate".to_string()), &Value::Str(":".to_string())), &get_value(&fundingRate, &Value::Str("symbol".to_string())))]);
        }
        }
}

/*
 * @method
 * @name okx#watchTicker
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-tickers-channel
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @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
}));
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchTicker".to_string()), Value::Str("channel".to_string()), &[Value::Str("tickers".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        add_element_to_object(&mut params, &Value::Str("channel".to_string()), channel.clone());
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut ticker: Value = self.watch_tickers(&[Value::List(vec![symbol.clone()]), params.clone()]).await;
        return self.safe_value(ticker.clone(), symbol.clone(), &[]);

    Value::Null
}

/*
 * @method
 * @name okx#unWatchTicker
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-tickers-channel
 * @description unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @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::List(vec![symbol.clone()]), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchTickers
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-tickers-channel
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
 * @param {string[]} [symbols] unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchTickers".to_string()), Value::Str("channel".to_string()), &[Value::Str("tickers".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut newTickers: Value = self.subscribe_multiple(Value::Str("public".to_string()), channel.clone(), &[symbols.clone(), params.clone()]).await;
        if is_true(&self.newUpdates) {
            return newTickers;
        }
        return self.filter_by_array(self.tickers.clone(), Value::Str("symbol".to_string()), &[symbols.clone()]);

    Value::Null
}

/*
 * @method
 * @name okx#watchMarkPrice
 * @see https://www.okx.com/docs-v5/en/#public-data-websocket-mark-price-channel
 * @description watches a mark price
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_mark_price(&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
}));
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchMarkPrice".to_string()), Value::Str("channel".to_string()), &[Value::Str("mark-price".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        add_element_to_object(&mut params, &Value::Str("channel".to_string()), channel.clone());
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut ticker: Value = self.watch_mark_prices(&[Value::List(vec![symbol.clone()]), params.clone()]).await;
        return get_value(&ticker, &symbol);

    Value::Null
}

/*
 * @method
 * @name okx#watchMarkPrices
 * @see https://www.okx.com/docs-v5/en/#public-data-websocket-mark-price-channel
 * @description watches mark prices
 * @param {string[]} [symbols] unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_mark_prices(&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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchMarkPrices".to_string()), Value::Str("channel".to_string()), &[Value::Str("mark-price".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut newTickers: Value = self.subscribe_multiple(Value::Str("public".to_string()), channel.clone(), &[symbols.clone(), params.clone()]).await;
        if is_true(&self.newUpdates) {
            return newTickers;
        }
        return self.filter_by_array(self.tickers.clone(), Value::Str("symbol".to_string()), &[symbols.clone()]);

    Value::Null
}

/*
 * @method
 * @name okx#unWatchTickers
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-tickers-channel
 * @description unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
 * @param {string[]} [symbols] unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchTickers".to_string()), Value::Str("channel".to_string()), &[Value::Str("tickers".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_530: bool = true;
            while { if !__for_first_530 { i = add(&i, &Value::Int(1)); } __for_first_530 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut messageHashes, add(&Value::Str("unsubscribe:ticker:".to_string()), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("unsubscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(channel.clone(), &[Value::Str("public".to_string())]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg": { channel: "tickers", instId: "BTC-USDT" },
        //         "data": [
        //             {
        //                 "instType": "SPOT",
        //                 "instId": "BTC-USDT",
        //                 "last": "31500.1",
        //                 "lastSz": "0.00001754",
        //                 "askPx": "31500.1",
        //                 "askSz": "0.00998144",
        //                 "bidPx": "31500",
        //                 "bidSz": "3.05652439",
        //                 "open24h": "31697",
        //                 "high24h": "32248",
        //                 "low24h": "31165.6",
        //                 "sodUtc0": "31385.5",
        //                 "sodUtc8": "32134.9",
        //                 "volCcy24h": "503403597.38138519",
        //                 "vol24h": "15937.10781721",
        //                 "ts": "1626526618762"
        //             }
        //         ]
        //     }
        //
        self.handle_bid_ask(client.clone(), message.clone());
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone(), Value::Null, Value::Str("-".to_string())]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut newTickers: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_531: bool = true;
            while { if !__for_first_531 { i = add(&i, &Value::Int(1)); } __for_first_531 = false; is_less_than(&i, &get_array_length(&data)) } {
            let mut ticker: Value = self.parse_ticker(get_value(&data, &i), &[]);
            add_element_to_object(&mut self.tickers, &symbol, ticker.clone());
            add_element_to_object(&mut newTickers, &symbol, ticker.clone());
        }
        }
        let mut messageHash: Value = add(&add(&channel, &Value::Str("::".to_string())), &symbol);
        client.resolve(&[newTickers.clone(), messageHash.clone()]);
}

/*
 * @method
 * @name okx#watchBidsAsks
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-tickers-channel
 * @description watches 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 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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut channel: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchBidsAsks".to_string()), Value::Str("channel".to_string()), &[Value::Str("tickers".to_string())]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut url: Value = self.get_url(channel.clone(), &[Value::Str("public".to_string())]);
        let mut messageHashes: Value = Value::List(vec![]);
        let mut args: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_532: bool = true;
            while { if !__for_first_532 { i = add(&i, &Value::Int(1)); } __for_first_532 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut marketId: Value = self.market_id(get_value(&symbols, &i));
            let mut arg: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut args, self.extend(arg.clone(), &[params.clone()]));
            append_to_array(&mut messageHashes, add(&Value::Str("bidask::".to_string()), &get_value(&symbols, &i)));
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), args.clone());
            m
        });
        let mut newTickers: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;
        if is_true(&self.newUpdates) {
            let mut tickers: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            });
            add_element_to_object(&mut tickers, &get_value(&newTickers, &Value::Str("symbol".to_string())), newTickers.clone());
            return tickers;
        }
        return self.filter_by_array(self.bidsasks.clone(), Value::Str("symbol".to_string()), &[symbols.clone()]);

    Value::Null
}

    pub fn handle_bid_ask(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg": { channel: "tickers", instId: "BTC-USDT" },
        //         "data": [
        //             {
        //                 "instType": "SPOT",
        //                 "instId": "BTC-USDT",
        //                 "last": "31500.1",
        //                 "lastSz": "0.00001754",
        //                 "askPx": "31500.1",
        //                 "askSz": "0.00998144",
        //                 "bidPx": "31500",
        //                 "bidSz": "3.05652439",
        //                 "open24h": "31697",
        //                 "high24h": "32248",
        //                 "low24h": "31165.6",
        //                 "sodUtc0": "31385.5",
        //                 "sodUtc8": "32134.9",
        //                 "volCcy24h": "503403597.38138519",
        //                 "vol24h": "15937.10781721",
        //                 "ts": "1626526618762"
        //             }
        //         ]
        //     }
        //
        let mut data: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut ticker: Value = self.safe_dict(data.clone(), Value::Int(0), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut parsedTicker: Value = self.parse_ws_bid_ask(ticker.clone(), &[]);
        let mut symbol: Value = get_value(&parsedTicker, &Value::Str("symbol".to_string()));
        if !is_equal(&symbol, &Value::Null) {
            add_element_to_object(&mut self.bidsasks, &symbol, parsedTicker.clone());
        }
        let mut messageHash: Value = add(&Value::Str("bidask::".to_string()), &symbol);
        client.resolve(&[parsedTicker.clone(), messageHash.clone()]);
}

    pub fn parse_ws_bid_ask(&self, mut ticker: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        let mut marketId: Value = self.safe_string_k(ticker.clone(), "instId", &[]);
        market = self.safe_market(&[marketId.clone(), market.clone()]);
        let mut symbol: Value = self.safe_string_k(market.clone(), "symbol", &[]);
        let mut timestamp: Value = self.safe_integer_k(ticker.clone(), "ts", &[]);
        return self.safe_ticker(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("symbol".to_string(), symbol.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("ask".to_string(), self.safe_string_k(ticker.clone(), "askPx", &[]));
        m.insert("askVolume".to_string(), self.safe_string_k(ticker.clone(), "askSz", &[]));
        m.insert("bid".to_string(), self.safe_string_k(ticker.clone(), "bidPx", &[]));
        m.insert("bidVolume".to_string(), self.safe_string_k(ticker.clone(), "bidSz", &[]));
        m.insert("info".to_string(), ticker.clone());
    m
}), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name okx#watchLiquidationsForSymbols
 * @description watch the public liquidations of a trading pair
 * @see https://www.okx.com/docs-v5/en/#public-data-websocket-liquidation-orders-channel
 * @param {string} symbols
 * @param {int} [since] the earliest time in ms to fetch liquidations for
 * @param {int} [limit] the maximum number of liquidation structures to retrieve
 * @param {object} [params] exchange specific parameters for the okx api endpoint
 * @returns {object} an array of [liquidation structures]{@link https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure}
 */
    pub async fn watch_liquidations_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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(true), Value::Bool(true)]);
        let mut messageHash: Value = Value::Str("liquidations".to_string());
        let mut messageHashes: Value = Value::List(vec![]);
        if !is_equal(&symbols, &Value::Null) {
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_533: bool = true;
                while { if !__for_first_533 { i = add(&i, &Value::Int(1)); } __for_first_533 = false; is_less_than(&i, &get_array_length(&symbols)) } {
                let mut symbol: Value = get_value(&symbols, &i);
                let mut symbol: Value = get_value(&symbols, &i);
                append_to_array(&mut messageHashes, add(&add(&messageHash, &Value::Str("::".to_string())), &symbol));
            }
            }
        }  else {
            append_to_array(&mut messageHashes, messageHash.clone());
        }
        let mut market: Value = self.get_market_from_symbols(&[symbols.clone()]);
        let mut type_var: Value = Value::Null;
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchliquidationsForSymbols".to_string()), &[market.clone(), params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut channel: Value = Value::Str("liquidation-orders".to_string());
        if is_equal(&type_var, &Value::Str("spot".to_string())) {
            type_var = Value::Str("SWAP".to_string());
        }  else if is_equal(&type_var, &Value::Str("future".to_string())) {
            type_var = Value::Str("futures".to_string());
        }
        if is_equal(&type_var, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchLiquidationsForSymbols() type is required".to_string()))));
        }
        let mut uppercaseType: Value = to_upper(&type_var);
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), Value::List(vec![Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel.clone());
        m.insert("instType".to_string(), uppercaseType.clone());
    m
})]));
            m
        });
        let mut url: Value = self.get_url(channel.clone(), &[Value::Str("public".to_string())]);
        let mut newLiquidations: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;
        if is_true(&self.newUpdates) {
            return newLiquidations;
        }
        return self.filter_by_symbols_since_limit(self.liquidations.clone(), &[symbols.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_liquidation(&mut self, mut client: Value, mut message: Value) {
        //
        //    {
        //        "arg": {
        //            "channel": "liquidation-orders",
        //            "instType": "SWAP"
        //        },
        //        "data": [
        //            {
        //                "details": [
        //                    {
        //                        "bkLoss": "0",
        //                        "bkPx": "0.007831",
        //                        "ccy": "",
        //                        "posSide": "short",
        //                        "side": "buy",
        //                        "sz": "13",
        //                        "ts": "1692266434010"
        //                    }
        //                ],
        //                "instFamily": "IOST-USDT",
        //                "instId": "IOST-USDT-SWAP",
        //                "instType": "SWAP",
        //                "uly": "IOST-USDT"
        //            }
        //        ]
        //    }
        //
        let mut rawLiquidations: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_534: bool = true;
            while { if !__for_first_534 { i = add(&i, &Value::Int(1)); } __for_first_534 = false; is_less_than(&i, &get_array_length(&rawLiquidations)) } {
            let mut rawLiquidation: Value = get_value(&rawLiquidations, &i);
            let mut rawLiquidation: Value = get_value(&rawLiquidations, &i);
            let mut liquidation: Value = self.parse_ws_liquidation(rawLiquidation.clone(), &[]);
            let mut symbol: Value = self.safe_string_k(liquidation.clone(), "symbol", &[]);
            if is_equal(&self.liquidations, &Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "liquidationsLimit", &[Value::Int(1000)]);
                self.liquidations = ArrayCache::new(limit.clone());
            }
            let mut cache: Value = self.liquidations.clone();
            cache.append(liquidation.clone());
            client.resolve(&[Value::List(vec![liquidation.clone()]), Value::Str("liquidations".to_string())]);
            client.resolve(&[Value::List(vec![liquidation.clone()]), add(&Value::Str("liquidations::".to_string()), &symbol)]);
        }
        }
}

/*
 * @method
 * @name okx#watchMyLiquidationsForSymbols
 * @description watch the private liquidations of a trading pair
 * @see https://www.okx.com/docs-v5/en/#trading-account-websocket-balance-and-position-channel
 * @param {string[]} symbols
 * @param {int} [since] the earliest time in ms to fetch liquidations for
 * @param {int} [limit] the maximum number of liquidation structures to retrieve
 * @param {object} [params] exchange specific parameters for the okx api endpoint
 * @returns {object} an array of [liquidation structures]{@link https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure}
 */
    pub async fn watch_my_liquidations_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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut isTrigger: Value = self.safe_value2(params.clone(), Value::Str("stop".to_string()), Value::Str("trigger".to_string()), &[Value::Bool(false)]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("stop".to_string()), Value::Str("trigger".to_string())]), &[]);
        let mut accessType: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("business".to_string()), Value::Str("private".to_string()));
        self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), accessType.clone());
    m
})]).await;
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(true), Value::Bool(true)]);
        let mut messageHash: Value = Value::Str("myLiquidations".to_string());
        let mut messageHashes: Value = Value::List(vec![]);
        if !is_equal(&symbols, &Value::Null) {
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_535: bool = true;
                while { if !__for_first_535 { i = add(&i, &Value::Int(1)); } __for_first_535 = false; is_less_than(&i, &get_array_length(&symbols)) } {
                let mut symbol: Value = get_value(&symbols, &i);
                let mut symbol: Value = get_value(&symbols, &i);
                append_to_array(&mut messageHashes, add(&add(&messageHash, &Value::Str("::".to_string())), &symbol));
            }
            }
        }  else {
            append_to_array(&mut messageHashes, messageHash.clone());
        }
        let mut channel: Value = Value::Str("balance_and_position".to_string());
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), Value::List(vec![Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("channel".to_string(), channel.clone());
    m
})]));
            m
        });
        let mut url: Value = self.get_url(channel.clone(), &[Value::Str("private".to_string())]);
        let __ws_arg_0 = self.deep_extend(request.clone(), &[params.clone()]);
        let mut newLiquidations: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[__ws_arg_0, messageHashes.clone()]).await;
        if is_true(&self.newUpdates) {
            return newLiquidations;
        }
        return self.filter_by_symbols_since_limit(self.liquidations.clone(), &[symbols.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_my_liquidation(&mut self, mut client: Value, mut message: Value) {
        //
        //    {
        //        "arg": {
        //            "channel": "balance_and_position",
        //            "uid": "77982378738415879"
        //        },
        //        "data": [{
        //            "pTime": "1597026383085",
        //            "eventType": "snapshot",
        //            "balData": [{
        //                "ccy": "BTC",
        //                "cashBal": "1",
        //                "uTime": "1597026383085"
        //            }],
        //            "posData": [{
        //                "posId": "1111111111",
        //                "tradeId": "2",
        //                "instId": "BTC-USD-191018",
        //                "instType": "FUTURES",
        //                "mgnMode": "cross",
        //                "posSide": "long",
        //                "pos": "10",
        //                "ccy": "BTC",
        //                "posCcy": "",
        //                "avgPx": "3320",
        //                "uTIme": "1597026383085"
        //            }],
        //            "trades": [{
        //                "instId": "BTC-USD-191018",
        //                "tradeId": "2",
        //            }]
        //        }]
        //    }
        //
        let mut rawLiquidations: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_536: bool = true;
            while { if !__for_first_536 { i = add(&i, &Value::Int(1)); } __for_first_536 = false; is_less_than(&i, &get_array_length(&rawLiquidations)) } {
            let mut rawLiquidation: Value = get_value(&rawLiquidations, &i);
            let mut rawLiquidation: Value = get_value(&rawLiquidations, &i);
            let mut eventType: Value = self.safe_string_k(rawLiquidation.clone(), "eventType", &[]);
            if !is_equal(&eventType, &Value::Str("liquidation".to_string())) {
                return;
            }
            let mut liquidation: Value = self.parse_ws_my_liquidation(rawLiquidation.clone(), &[]);
            let mut symbol: Value = self.safe_string_k(liquidation.clone(), "symbol", &[]);
            if is_equal(&self.liquidations, &Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "liquidationsLimit", &[Value::Int(1000)]);
                self.liquidations = ArrayCache::new(limit.clone());
            }
            let mut cache: Value = self.liquidations.clone();
            cache.append(liquidation.clone());
            client.resolve(&[Value::List(vec![liquidation.clone()]), Value::Str("myLiquidations".to_string())]);
            client.resolve(&[Value::List(vec![liquidation.clone()]), add(&Value::Str("myLiquidations::".to_string()), &symbol)]);
        }
        }
}

    pub fn parse_ws_my_liquidation(&self, mut liquidation: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //    {
        //        "pTime": "1597026383085",
        //        "eventType": "snapshot",
        //        "balData": [{
        //            "ccy": "BTC",
        //            "cashBal": "1",
        //            "uTime": "1597026383085"
        //        }],
        //        "posData": [{
        //            "posId": "1111111111",
        //            "tradeId": "2",
        //            "instId": "BTC-USD-191018",
        //            "instType": "FUTURES",
        //            "mgnMode": "cross",
        //            "posSide": "long",
        //            "pos": "10",
        //            "ccy": "BTC",
        //            "posCcy": "",
        //            "avgPx": "3320",
        //            "uTIme": "1597026383085"
        //        }],
        //        "trades": [{
        //            "instId": "BTC-USD-191018",
        //            "tradeId": "2",
        //        }]
        //    }
        //
        let mut posData: Value = self.safe_list_k(liquidation.clone(), "posData", &[Value::List(vec![])]);
        let mut firstPosData: Value = self.safe_dict(posData.clone(), Value::Int(0), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut marketId: Value = self.safe_string_k(firstPosData.clone(), "instId", &[]);
        market = self.safe_market(&[marketId.clone(), market.clone()]);
        let mut timestamp: Value = self.safe_integer_k(firstPosData.clone(), "uTIme", &[]);
        return self.safe_liquidation(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), liquidation.clone());
        m.insert("symbol".to_string(), self.safe_symbol(marketId.clone(), &[market.clone()]));
        m.insert("contracts".to_string(), self.safe_number_k(firstPosData.clone(), "pos", &[]));
        m.insert("contractSize".to_string(), self.safe_number_k(market.clone(), "contractSize", &[]));
        m.insert("price".to_string(), self.safe_number_k(liquidation.clone(), "avgPx", &[]));
        m.insert("baseValue".to_string(), Value::Null);
        m.insert("quoteValue".to_string(), Value::Null);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
    m
}), &[]);

    Value::Null
}

    pub fn parse_ws_liquidation(&self, mut liquidation: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        // public liquidation
        //    {
        //        "details": [
        //            {
        //                "bkLoss": "0",
        //                "bkPx": "0.007831",
        //                "ccy": "",
        //                "posSide": "short",
        //                "side": "buy",
        //                "sz": "13",
        //                "ts": "1692266434010"
        //            }
        //        ],
        //        "instFamily": "IOST-USDT",
        //        "instId": "IOST-USDT-SWAP",
        //        "instType": "SWAP",
        //        "uly": "IOST-USDT"
        //    }
        //
        let mut details: Value = self.safe_list_k(liquidation.clone(), "details", &[Value::List(vec![])]);
        let mut liquidationDetails: Value = self.safe_dict(details.clone(), Value::Int(0), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut marketId: Value = self.safe_string_k(liquidation.clone(), "instId", &[]);
        market = self.safe_market(&[marketId.clone(), market.clone()]);
        let mut timestamp: Value = self.safe_integer_k(liquidationDetails.clone(), "ts", &[]);
        return self.safe_liquidation(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), liquidation.clone());
        m.insert("symbol".to_string(), self.safe_symbol(marketId.clone(), &[market.clone()]));
        m.insert("contracts".to_string(), self.safe_number_k(liquidationDetails.clone(), "sz", &[]));
        m.insert("contractSize".to_string(), self.safe_number_k(market.clone(), "contractSize", &[]));
        m.insert("price".to_string(), self.safe_number_k(liquidationDetails.clone(), "bkPx", &[]));
        m.insert("side".to_string(), self.safe_string_k(liquidationDetails.clone(), "side", &[]));
        m.insert("baseValue".to_string(), Value::Null);
        m.insert("quoteValue".to_string(), Value::Null);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
    m
}), &[]);

    Value::Null
}

/*
 * @method
 * @name okx#watchOHLCV
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-candlesticks-channel
 * @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".to_string()));
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbol = self.symbol(symbol.clone());
        let mut interval: Value = self.safe_string(self.timeframes.clone(), timeframe.clone(), &[timeframe.clone()]);
        let mut name: Value = add(&Value::Str("candle".to_string()), &interval);
        let mut ohlcv: Value = self.subscribe(Value::Str("public".to_string()), name.clone(), name.clone(), symbol.clone(), &[params.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = ohlcv.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(ohlcv.clone(), &[since.clone(), limit.clone(), Value::Int(0), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name okx#unWatchOHLCV
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-candlesticks-channel
 * @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".to_string()));
        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::List(vec![Value::List(vec![symbol.clone(), timeframe.clone()])]), &[params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchOHLCVForSymbols
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-candlesticks-channel
 * @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: Value = get_array_length(&symbolsAndTimeframes);
        if is_equal(&symbolsLength, &Value::Int(0)) || !is_true(&Value::Bool(is_array(&get_value(&symbolsAndTimeframes, &Value::Int(0))))) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchOHLCVForSymbols() requires a an array of symbols and timeframes, like  [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_537: bool = true;
            while { if !__for_first_537 { i = add(&i, &Value::Int(1)); } __for_first_537 = false; is_less_than(&i, &get_array_length(&symbolsAndTimeframes)) } {
            let mut symbolAndTimeframe: Value = get_value(&symbolsAndTimeframes, &i);
            let mut symbolAndTimeframe: Value = get_value(&symbolsAndTimeframes, &i);
            let mut sym: Value = get_value(&symbolAndTimeframe, &Value::Int(0));
            let mut tf: Value = get_value(&symbolAndTimeframe, &Value::Int(1));
            let mut marketId: Value = self.market_id(sym.clone());
            let mut interval: Value = self.safe_string(self.timeframes.clone(), tf.clone(), &[tf.clone()]);
            let mut channel: Value = add(&Value::Str("candle".to_string()), &interval);
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
            append_to_array(&mut messageHashes, add(&add(&add(&Value::Str("multi:".to_string()), &channel), &Value::Str(":".to_string())), &sym));
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(Value::Str("candle".to_string()), &[Value::Str("public".to_string())]);
        let mut symboltimeframecandlesVariable = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).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.clone(), &[since.clone(), limit.clone(), Value::Int(0), Value::Bool(true)]);
        return self.create_ohlcv_object(symbol.clone(), timeframe.clone(), filtered.clone());

    Value::Null
}

/*
 * @method
 * @name okx#unWatchOHLCVForSymbols
 * @description unWatches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-candlesticks-channel
 * @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: Value = get_array_length(&symbolsAndTimeframes);
        if is_equal(&symbolsLength, &Value::Int(0)) || !is_true(&Value::Bool(is_array(&get_value(&symbolsAndTimeframes, &Value::Int(0))))) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchOHLCVForSymbols() requires a an array of symbols and timeframes, like  [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_538: bool = true;
            while { if !__for_first_538 { i = add(&i, &Value::Int(1)); } __for_first_538 = false; is_less_than(&i, &get_array_length(&symbolsAndTimeframes)) } {
            let mut symbolAndTimeframe: Value = get_value(&symbolsAndTimeframes, &i);
            let mut symbolAndTimeframe: Value = get_value(&symbolsAndTimeframes, &i);
            let mut sym: Value = get_value(&symbolAndTimeframe, &Value::Int(0));
            let mut tf: Value = get_value(&symbolAndTimeframe, &Value::Int(1));
            let mut marketId: Value = self.market_id(sym.clone());
            let mut interval: Value = self.safe_string(self.timeframes.clone(), tf.clone(), &[tf.clone()]);
            let mut channel: Value = add(&Value::Str("candle".to_string()), &interval);
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), channel.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
            append_to_array(&mut messageHashes, add(&add(&add(&Value::Str("unsubscribe:multi:".to_string()), &channel), &Value::Str(":".to_string())), &sym));
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("unsubscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(Value::Str("candle".to_string()), &[Value::Str("public".to_string())]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

    pub fn handle_ohlcv(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg": { channel: "candle1m", instId: "BTC-USDT" },
        //         "data": [
        //             [
        //                 "1626690720000",
        //                 "31334",
        //                 "31334",
        //                 "31334",
        //                 "31334",
        //                 "0.0077",
        //                 "241.2718"
        //             ]
        //         ]
        //     }
        //
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Null) {
            return;
        }
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone()]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut interval: Value = replace_str(&channel, &Value::Str("candle".to_string()), &Value::Str("".to_string()));
        // use a reverse lookup in a static map instead
        let mut timeframe: Value = self.find_timeframe(interval.clone(), &[]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_539: bool = true;
            while { if !__for_first_539 { i = add(&i, &Value::Int(1)); } __for_first_539 = false; is_less_than(&i, &get_array_length(&data)) } {
            let mut parsed: Value = self.parse_ohlcv(get_value(&data, &i), &[market.clone()]);
            { let __be_tmp = self.safe_value(self.ohlcvs.clone(), symbol.clone(), &[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
})]); add_element_to_object(&mut self.ohlcvs, &symbol, __be_tmp); };
            let mut stored: Value = self.safe_value(self.safe_value(self.ohlcvs.clone(), symbol.clone(), &[]), timeframe.clone(), &[]);
            if is_equal(&stored, &Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "OHLCVLimit", &[Value::Int(1000)]);
                stored = ArrayCacheByTimestamp::new(limit.clone());
                if !is_equal(&symbol, &Value::Null) && !is_equal(&timeframe, &Value::Null) {
                    add_element_to_object(get_value_mut(unsafe { crate::runtime::coerce_value_to_mut(&self.ohlcvs) }, &symbol), &timeframe, stored.clone());
                }
            }
            stored.append(parsed.clone());
            let mut messageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &get_value(&market, &Value::Str("id".to_string())));
            client.resolve(&[stored.clone(), messageHash.clone()]);
            // for multiOHLCV we need special object, as opposed to other "multi"
            // methods, because OHLCV response item does not contain symbol
            // or timeframe, thus otherwise it would be unrecognizable
            let mut messageHashForMulti: Value = add(&add(&add(&Value::Str("multi:".to_string()), &channel), &Value::Str(":".to_string())), &symbol);
            client.resolve(&[Value::List(vec![symbol.clone(), timeframe.clone(), stored.clone()]), messageHashForMulti.clone()]);
        }
        }
}

/*
 * @method
 * @name okx#watchOrderBook
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-order-book-channel
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.depth] okx order book depth, can be books, books5, books-rpi, books-l2-tbt, books50-l2-tbt, bbo-tbt
 * @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::List(vec![symbol.clone()]), &[limit.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchOrderBookForSymbols
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-order-book-channel
 * @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] 1,5, 400, 50 (l2-tbt, vip4+) or 40000 (vip5+) the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.depth] okx order book depth, can be books, books5, books-rpi, books-l2-tbt, books50-l2-tbt, bbo-tbt
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut depth: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchOrderBook".to_string()), Value::Str("depth".to_string()), &[Value::Str("books".to_string())]); depth = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        if !is_equal(&limit, &Value::Null) {
            if is_equal(&limit, &Value::Int(1)) {
                depth = Value::Str("bbo-tbt".to_string());
            }  else if is_greater_than(&limit, &Value::Int(1)) && is_less_than_or_equal(&limit, &Value::Int(5)) {
                depth = Value::Str("books5".to_string());
            }  else if is_equal(&limit, &Value::Int(50)) {
                depth = Value::Str("books50-l2-tbt".to_string()); // Make sure you have VIP4 and above
            }  else if is_equal(&limit, &Value::Int(400)) {
                depth = Value::Str("books".to_string());
            }
        }
        if is_true(&(is_equal(&depth, &Value::Str("books-l2-tbt".to_string())))) || is_true(&(is_equal(&depth, &Value::Str("books50-l2-tbt".to_string())))) {
            if !is_true(&self.check_required_credentials(&[Value::Bool(false)])) {
                panic!("{}", crate::exchange_errors::authentication_error(add(&self.id, &Value::Str(" watchOrderBook/watchOrderBookForSymbols requires authentication for this depth. Add credentials or change the depth option to books or books5".to_string()))));
            }
            self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), Value::Str("public".to_string()));
    m
})]).await;
        }
        let mut topics: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_540: bool = true;
            while { if !__for_first_540 { i = add(&i, &Value::Int(1)); } __for_first_540 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut messageHashes, add(&add(&depth, &Value::Str(":".to_string())), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), depth.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(depth.clone(), &[Value::Str("public".to_string())]);
        let mut orderbook: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name okx#unWatchOrderBookForSymbols
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-order-book-channel
 * @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 {int} [params.limit] the maximum amount of order book entries to return
 * @param {string} [params.depth] okx order book depth, can be books, books5, books-rpi, books-l2-tbt, books50-l2-tbt, bbo-tbt
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut depth: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchOrderBook".to_string()), Value::Str("depth".to_string()), &[Value::Str("books".to_string())]); depth = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut limit: Value = self.safe_integer_k(params.clone(), "limit", &[]);
        if !is_equal(&limit, &Value::Null) {
            if is_equal(&limit, &Value::Int(1)) {
                depth = Value::Str("bbo-tbt".to_string());
            }  else if is_greater_than(&limit, &Value::Int(1)) && is_less_than_or_equal(&limit, &Value::Int(5)) {
                depth = Value::Str("books5".to_string());
            }  else if is_equal(&limit, &Value::Int(50)) {
                depth = Value::Str("books50-l2-tbt".to_string()); // Make sure you have VIP4 and above
            }  else if is_equal(&limit, &Value::Int(400)) {
                depth = Value::Str("books".to_string());
            }
        }
        let mut topics: Value = Value::List(vec![]);
        let mut subMessageHashes: Value = Value::List(vec![]);
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_541: bool = true;
            while { if !__for_first_541 { i = add(&i, &Value::Int(1)); } __for_first_541 = false; is_less_than(&i, &get_array_length(&symbols)) } {
            let mut symbol: Value = get_value(&symbols, &i);
            let mut symbol: Value = get_value(&symbols, &i);
            append_to_array(&mut subMessageHashes, add(&add(&depth, &Value::Str(":".to_string())), &symbol));
            append_to_array(&mut messageHashes, add(&Value::Str("unsubscribe:orderbook:".to_string()), &symbol));
            let mut marketId: Value = self.market_id(symbol.clone());
            let mut topic: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), depth.clone());
                    m.insert("instId".to_string(), marketId.clone());
                m
            });
            append_to_array(&mut topics, topic.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op".to_string(), Value::Str("unsubscribe".to_string()));
                m.insert("args".to_string(), topics.clone());
            m
        });
        let mut url: Value = self.get_url(depth.clone(), &[Value::Str("public".to_string())]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#unWatchOrderBook
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-market-data-ws-order-book-channel
 * @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
 * @param {int} [params.limit] the maximum amount of order book entries to return
 * @param {string} [params.depth] okx order book depth, can be books, books5, books-rpi, books-l2-tbt, books50-l2-tbt, bbo-tbt
 * @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::List(vec![symbol.clone()]), &[params.clone()]).await;

    Value::Null
}

    pub fn handle_delta(&self, mut bookside: Value, mut delta: Value) {
        //
        //     [
        //         "31685", // price
        //         "0.78069158", // amount
        //         "0", // liquidated orders
        //         "17" // orders
        //     ]
        //
        let mut price: Value = self.safe_float(delta.clone(), Value::Int(0), &[]);
        let mut amount: Value = self.safe_float(delta.clone(), Value::Int(1), &[]);
        bookside.store(price.clone(), amount.clone());
}

    pub fn handle_deltas(&self, mut bookside: Value, mut deltas: Value) {
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_542: bool = true;
            while { if !__for_first_542 { i = add(&i, &Value::Int(1)); } __for_first_542 = false; is_less_than(&i, &get_array_length(&deltas)) } {
            self.handle_delta(bookside.clone(), get_value(&deltas, &i));
        }
        }
}

    pub fn handle_order_book_message(&mut self, mut client: Value, mut message: Value, mut orderbook: Value, mut messageHash: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "asks": [
        //             [ '31738.3', '0.05973179', "0", "3" ],
        //             [ '31738.5', '0.11035404', "0", "2" ],
        //             [ '31739.6', '0.01', "0", "1" ],
        //         ],
        //         "bids": [
        //             [ '31738.2', '0.67557666', "0", "9" ],
        //             [ '31738', '0.02466947', "0", "2" ],
        //             [ '31736.3', '0.01705046', "0", "2" ],
        //         ],
        //         "instId": "BTC-USDT",
        //         "ts": "1626537446491"
        //         "checksum": -855196043,
        //         "prevSeqId": 123456,
        //         "seqId": 123457
        //     }
        //
        let mut asks: Value = self.safe_value_k(message.clone(), "asks", &[Value::List(vec![])]);
        let mut bids: Value = self.safe_value_k(message.clone(), "bids", &[Value::List(vec![])]);
        let mut storedAsks: Value = get_value(&orderbook, &Value::Str("asks".to_string()));
        let mut storedBids: Value = get_value(&orderbook, &Value::Str("bids".to_string()));
        self.handle_deltas(storedAsks.clone(), asks.clone());
        self.handle_deltas(storedBids.clone(), bids.clone());
        let mut marketId: Value = self.safe_string_k(message.clone(), "instId", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[market.clone()]);
        let mut seqId: Value = self.safe_integer_k(message.clone(), "seqId", &[]);
        let mut prevSeqId: Value = self.safe_integer_k(message.clone(), "prevSeqId", &[]);
        let mut nonce: Value = get_value(&orderbook, &Value::Str("nonce".to_string()));
        let mut error: Value = Value::Null;
        if !is_equal(&prevSeqId, &Value::Null) && !is_equal(&prevSeqId, &negate(&Value::Int(1))) && !is_equal(&nonce, &prevSeqId) {
            error = Value::from(crate::exchange_errors::invalid_nonce(add(&self.id, &Value::Str(" watchOrderBook received invalid nonce".to_string()))));
        }
        if !is_equal(&error, &Value::Null) {
            remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash);
            if !is_equal(&symbol, &Value::Null) {
                remove(&mut self.orderbooks, &symbol);
            }
            client.reject(&[Value::from(error.clone()), messageHash.clone()]);
        }
        let mut timestamp: Value = self.safe_integer_k(message.clone(), "ts", &[]);
        add_element_to_object(&mut orderbook, &Value::Str("nonce".to_string()), seqId.clone());
        add_element_to_object(&mut orderbook, &Value::Str("timestamp".to_string()), timestamp.clone());
        add_element_to_object(&mut orderbook, &Value::Str("datetime".to_string()), self.iso8601(timestamp.clone()));
        return orderbook;

    Value::Null
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) -> Value {
        //
        // snapshot
        //
        //     {
        //         "arg": { channel: 'books-l2-tbt', instId: "BTC-USDT" },
        //         "action": "snapshot",
        //         "data": [
        //             {
        //                 "asks": [
        //                     [ '31685', '0.78069158', "0", "17" ],
        //                     [ '31685.1', '0.0001', "0", "1" ],
        //                     [ '31685.6', '0.04543165', "0", "1" ],
        //                 ],
        //                 "bids": [
        //                     [ '31684.9', '0.01', "0", "1" ],
        //                     [ '31682.9', '0.0001', "0", "1" ],
        //                     [ '31680.7', '0.01', "0", "1" ],
        //                 ],
        //                 "ts": "1626532416403",
        //                 "checksum": -1023440116
        //             }
        //         ]
        //     }
        //
        // update
        //
        //     {
        //         "arg": { channel: 'books-l2-tbt', instId: "BTC-USDT" },
        //         "action": "update",
        //         "data": [
        //             {
        //                 "asks": [
        //                     [ '31657.7', '0', "0", "0" ],
        //                     [ '31659.7', '0.01', "0", "1" ],
        //                     [ '31987.3', '0.01', "0", "1" ]
        //                 ],
        //                 "bids": [
        //                     [ '31642.9', '0.50296385', "0", "4" ],
        //                     [ '31639.9', '0', "0", "0" ],
        //                     [ '31638.7', '0.01', "0", "1" ],
        //                 ],
        //                 "ts": "1626535709008",
        //                 "checksum": 830931827
        //             }
        //         ]
        //     }
        //
        // books5
        //
        //     {
        //         "arg": { channel: "books5", instId: "BTC-USDT" },
        //         "data": [
        //             {
        //                 "asks": [
        //                     [ '31738.3', '0.05973179', "0", "3" ],
        //                     [ '31738.5', '0.11035404', "0", "2" ],
        //                     [ '31739.6', '0.01', "0", "1" ],
        //                 ],
        //                 "bids": [
        //                     [ '31738.2', '0.67557666', "0", "9" ],
        //                     [ '31738', '0.02466947', "0", "2" ],
        //                     [ '31736.3', '0.01705046', "0", "2" ],
        //                 ],
        //                 "instId": "BTC-USDT",
        //                 "ts": "1626537446491"
        //             }
        //         ]
        //     }
        //
        // bbo-tbt
        //
        //     {
        //         "arg":{
        //             "channel":"bbo-tbt",
        //             "instId":"BTC-USDT"
        //         },
        //         "data":[
        //             {
        //                 "asks":[["36232.2","1.8826134","0","17"]],
        //                 "bids":[["36232.1","0.00572212","0","2"]],
        //                 "ts":"1651826598363"
        //             }
        //         ]
        //     }
        //
        let mut arg: Value = self.safe_dict_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut action: Value = self.safe_string_k(message.clone(), "action", &[]);
        let mut data: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone()]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut depths: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("bbo-tbt".to_string(), Value::Int(1));
                m.insert("books".to_string(), Value::Int(400));
                m.insert("books5".to_string(), Value::Int(5));
                m.insert("books-rpi".to_string(), Value::Int(400));
                m.insert("books-l2-tbt".to_string(), Value::Int(400));
                m.insert("books50-l2-tbt".to_string(), Value::Int(50));
            m
        });
        let mut limit: Value = self.safe_integer(depths.clone(), channel.clone(), &[]);
        let mut messageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &symbol);
        if is_equal(&action, &Value::Str("snapshot".to_string())) {
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_543: bool = true;
                while { if !__for_first_543 { i = add(&i, &Value::Int(1)); } __for_first_543 = false; is_less_than(&i, &get_array_length(&data)) } {
                let mut update: Value = get_value(&data, &i);
                let mut update: Value = get_value(&data, &i);
                let mut orderbook: Value = self.order_book(&[Value::Map({
                    let mut m = indexmap::IndexMap::new();
                    m
                }), limit.clone()]);
                add_element_to_object(&mut self.orderbooks, &symbol, orderbook.clone());
                add_element_to_object(&mut orderbook, &Value::Str("symbol".to_string()), symbol.clone());
                self.handle_order_book_message(client.clone(), update.clone(), orderbook.clone(), messageHash.clone(), &[]);
                client.resolve(&[orderbook.clone(), messageHash.clone()]);
            }
            }
        }  else if is_equal(&action, &Value::Str("update".to_string())) {
            if is_true(&Value::Bool(in_op(&self.orderbooks, &symbol))) {
                let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
                {
                                        let mut i: Value = Value::Int(0);
                    let mut __for_first_544: bool = true;
                    while { if !__for_first_544 { i = add(&i, &Value::Int(1)); } __for_first_544 = false; is_less_than(&i, &get_array_length(&data)) } {
                    let mut update: Value = get_value(&data, &i);
                    let mut update: Value = get_value(&data, &i);
                    self.handle_order_book_message(client.clone(), update.clone(), orderbook.clone(), messageHash.clone(), &[market.clone()]);
                    client.resolve(&[orderbook.clone(), messageHash.clone()]);
                }
                }
            }
        }  else if is_true(&(is_equal(&channel, &Value::Str("books5".to_string())))) || is_true(&(is_equal(&channel, &Value::Str("bbo-tbt".to_string())))) {
            if !is_true(&(Value::Bool(in_op(&self.orderbooks, &symbol)))) {
                { let __be_tmp = self.order_book(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}), limit.clone()]); add_element_to_object(&mut self.orderbooks, &symbol, __be_tmp); };
            }
            let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_545: bool = true;
                while { if !__for_first_545 { i = add(&i, &Value::Int(1)); } __for_first_545 = false; is_less_than(&i, &get_array_length(&data)) } {
                let mut update: Value = get_value(&data, &i);
                let mut update: Value = get_value(&data, &i);
                let mut timestamp: Value = self.safe_integer_k(update.clone(), "ts", &[]);
                let mut snapshot: Value = self.parse_order_book(update.clone(), symbol.clone(), &[timestamp.clone(), Value::Str("bids".to_string()), Value::Str("asks".to_string()), Value::Int(0), Value::Int(1)]);
                orderbook.reset(snapshot.clone());
                client.resolve(&[orderbook.clone(), messageHash.clone()]);
            }
            }
        }
        return message;

    Value::Null
}

    pub async fn authenticate(&mut self, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        self.check_required_credentials(&[]);
        let mut access: Value = self.safe_string_k(params.clone(), "access", &[Value::Str("private".to_string())]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("access".to_string())]), &[]);
        let mut url: Value = self.get_url(Value::Str("users".to_string()), &[access.clone()]);
        let mut messageHash: Value = Value::Str("authenticated".to_string());
        let mut client: Value = self.client(&[url.clone()]);
        let mut future: Value = client.reusable_future(messageHash.clone());
        let mut authenticated: Value = self.safe_value(get_value(&client, &Value::Str("subscriptions".to_string())), messageHash.clone(), &[]);
        if is_equal(&authenticated, &Value::Null) {
            let mut timestamp: Value = to_string_val(&self.seconds());
            let mut method: Value = Value::Str("GET".to_string());
            let mut path: Value = Value::Str("/users/self/verify".to_string());
            let mut auth: Value = add(&add(&timestamp, &method), &path);
            let mut signature: Value = self.hmac(self.encode(auth.clone()), self.encode(self.secret.clone()), Value::Str("sha256".to_string()), &[Value::Str("base64".to_string())]);
            let mut operation: Value = Value::Str("login".to_string());
            let mut request: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("op".to_string(), operation.clone());
                    m.insert("args".to_string(), Value::List(vec![Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("apiKey".to_string(), self.apiKey.clone());
        m.insert("passphrase".to_string(), self.password.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("sign".to_string(), signature.clone());
    m
})]));
                m
            });
            // Only add params['access'] to prevent sending custom parameters, such as extraParams.
            if is_true(&Value::Bool(in_op(&params, &Value::Str("access".to_string())))) {
                add_element_to_object(&mut request, &Value::Str("access".to_string()), get_value(&params, &Value::Str("access".to_string())));
            }
            self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;
        }
        return crate::exchange_stubs::ws_await_flight(&future).await;

    Value::Null
}

/*
 * @method
 * @name okx#watchBalance
 * @see https://www.okx.com/docs-v5/en/#trading-account-websocket-account-channel
 * @description watch balance and get the amount of funds available for trading or funds locked in orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [balance structure]{@link https://docs.ccxt.com/?id=balance-structure}
 */
    pub async fn watch_balance(&mut self, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        return self.subscribe(Value::Str("private".to_string()), Value::Str("account".to_string()), Value::Str("account".to_string()), Value::Null, &[params.clone()]).await;

    Value::Null
}

    pub fn handle_balance_and_position(&mut self, mut client: Value, mut message: Value) {
        self.handle_my_liquidation(client.clone(), message.clone());
}

    pub fn handle_balance(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         arg: {
        //             channel: 'account',
        //             uid: '158635852459810816'
        //         },
        //         eventType: 'snapshot',
        //         curPage: 1,
        //         lastPage: true,
        //         data: [
        //             {
        //                 adjEq: '100942.13298468884',
        //                 availEq: '98461.99074635761',
        //                 borrowFroz: '409.3702076072169',
        //                 delta: '',
        //                 deltaLever: '',
        //                 deltaNeutralStatus: '',
        //                 details: [
        //                     {
        //                         accAvgPx: '',
        //                         autoLendAmt: '0',
        //                         autoLendMtAmt: '0',
        //                         autoLendStatus: 'unsupported',
        //                         autoStakingStatus: 'unsupported',
        //                         availBal: '2900',
        //                         availEq: '2900',
        //                         borrowFroz: '0',
        //                         cashBal: '2900',
        //                         ccy: 'TUSD',
        //                         clSpotInUseAmt: '',
        //                         coinUsdPrice: '200.026',
        //                         colBorrAutoConversion: '0',
        //                         colRes: '0',
        //                         collateralEnabled: false,
        //                         collateralRestrict: false,
        //                         crossLiab: '0',
        //                         disEq: '0',
        //                         eq: '2900',
        //                         eqUsd: '580075.4',
        //                         fixedBal: '0',
        //                         frozenBal: '0',
        //                         frpType: '0',
        //                         imr: '',
        //                         interest: '0',
        //                         isoEq: '0',
        //                         isoLiab: '0',
        //                         isoUpl: '0',
        //                         liab: '0',
        //                         maxLoan: '0',
        //                         maxSpotInUseAmt: '',
        //                         mgnRatio: '',
        //                         mmr: '',
        //                         notionalLever: '',
        //                         openAvgPx: '',
        //                         ordFrozen: '0',
        //                         rewardBal: '',
        //                         smtSyncEq: '0',
        //                         spotBal: '',
        //                         spotCopyTradingEq: '0',
        //                         spotInUseAmt: '',
        //                         spotIsoBal: '0',
        //                         spotUpl: '',
        //                         spotUplRatio: '',
        //                         stgyEq: '0',
        //                         totalPnl: '',
        //                         totalPnlRatio: '',
        //                         twap: '0',
        //                         uTime: '1752243427083',
        //                         upl: '0',
        //                         uplLiab: '0'
        //                     }
        //                 ],
        //                 imr: '2480.1422383312265',
        //                 isoEq: '0',
        //                 mgnRatio: '1814.5924297007082',
        //                 mmr: '52.196024182958055',
        //                 notionalUsd: '4634.0971302081125',
        //                 notionalUsdForBorrow: '2046.8510380360844',
        //                 notionalUsdForFutures: '101.11322817202809',
        //                 notionalUsdForOption: '0',
        //                 notionalUsdForSwap: '2486.1328640000006',
        //                 ordFroz: '1208.3566666666668',
        //                 totalEq: '711018.8951315446',
        //                 uTime: '1773837554158',
        //                 upl: '9.244336372701904'
        //             }
        //         ]
        //     }
        //
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut balance: Value = self.parent.parse_trading_balance(message.clone());
        let mut newBalance: Value = self.deep_extend(self.balance.clone(), &[balance.clone()]);
        { let __t = self.safe_balance(newBalance.clone()); self.balance = __t; }
        client.resolve(&[self.balance.clone(), channel.clone()]);
}

    pub fn order_to_trade(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        let mut info: Value = self.safe_value_k(order.clone(), "info", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut timestamp: Value = self.safe_integer_k(info.clone(), "fillTime", &[]);
        let mut feeMarketId: Value = self.safe_string_k(info.clone(), "fillFeeCcy", &[]);
        let mut isTaker: Value = Value::Bool(is_equal(&self.safe_string_k(info.clone(), "execType", &[Value::Str("".to_string())]), &Value::Str("T".to_string())));
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), info.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("symbol".to_string(), self.safe_string_k(order.clone(), "symbol", &[]));
        m.insert("id".to_string(), self.safe_string_k(info.clone(), "tradeId", &[]));
        m.insert("order".to_string(), self.safe_string_k(order.clone(), "id", &[]));
        m.insert("type".to_string(), self.safe_string_k(order.clone(), "type", &[]));
        m.insert("takerOrMaker".to_string(), ternary(is_true(&(isTaker)), Value::Str("taker".to_string()), Value::Str("maker".to_string())));
        m.insert("side".to_string(), self.safe_string_k(order.clone(), "side", &[]));
        m.insert("price".to_string(), self.safe_number_k(info.clone(), "fillPx", &[]));
        m.insert("amount".to_string(), self.safe_number_k(info.clone(), "fillSz", &[]));
        m.insert("cost".to_string(), self.safe_number_k(order.clone(), "cost", &[]));
        m.insert("fee".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("cost".to_string(), self.safe_number_k(info.clone(), "fillFee", &[]));
        m.insert("currency".to_string(), self.safe_currency_code(feeMarketId.clone(), &[]));
    m
}));
    m
}), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name okx#watchMyTrades
 * @description watches information on multiple trades made by the user
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-order-channel
 * @param {string} [symbol] unified market symbol of the market trades were made in
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trade structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {bool} [params.trigger] true if fetching trigger or conditional trades
 * @param {string} [params.type] 'spot', 'swap', 'future', 'option', 'ANY', 'SPOT', 'MARGIN', 'SWAP', 'FUTURES' or 'OPTION'
 * @param {string} [params.marginMode] 'cross' or 'isolated', for automatically setting the type to spot margin
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=trade-structure}
 */
    pub async fn watch_my_trades(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        // By default, receive order updates from any instrument type
        let mut type_var: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchMyTrades".to_string()), Value::Str("type".to_string()), &[Value::Str("ANY".to_string())]); type_var = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isTrigger: Value = self.safe_bool2(params.clone(), Value::Str("trigger".to_string()), Value::Str("stop".to_string()), &[Value::Bool(false)]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("trigger".to_string()), Value::Str("stop".to_string())]), &[]);
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut access: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("business".to_string()), Value::Str("private".to_string()));
        self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), access.clone());
    m
})]).await;
        let mut channel: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("orders-algo".to_string()), Value::Str("orders".to_string()));
        let mut messageHash: Value = add(&channel, &Value::Str("::myTrades".to_string()));
        let mut market: Value = Value::Null;
        if !is_equal(&symbol, &Value::Null) {
            market = self.market(symbol.clone());
            symbol = get_value(&market, &Value::Str("symbol".to_string()));
            type_var = get_value(&market, &Value::Str("type".to_string()));
            messageHash = add(&add(&messageHash, &Value::Str("::".to_string())), &symbol);
        }
        if is_equal(&type_var, &Value::Str("future".to_string())) {
            type_var = Value::Str("futures".to_string());
        }
        if is_equal(&type_var, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchMyTrades() type is required".to_string()))));
        }
        let mut uppercaseType: Value = to_upper(&type_var);
        let mut marginMode: Value = Value::Null;
        { let __destr_tmp = self.handle_margin_mode_and_params(Value::Str("watchMyTrades".to_string()), &[params.clone()]); marginMode = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        if is_equal(&uppercaseType, &Value::Str("SPOT".to_string())) {
            if !is_equal(&marginMode, &Value::Null) {
                uppercaseType = Value::Str("MARGIN".to_string());
            }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("instType".to_string(), uppercaseType.clone());
            m
        });
        let __ws_arg_1 = self.extend(request.clone(), &[params.clone()]);
        let mut orders: Value = self.subscribe(Value::Str("private".to_string()), messageHash.clone(), channel.clone(), Value::Null, &[__ws_arg_1]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_symbol_since_limit(orders.clone(), &[symbol.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name okx#watchPositions
 * @see https://www.okx.com/docs-v5/en/#trading-account-websocket-positions-channel
 * @description watch all open positions
 * @param {string[]} [symbols] list of unified market symbols
 * @param {int} [since] timestamp in ms of the earliest position to fetch
 * @param {int} [limit] the maximum number of positions to fetch
 * @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 is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[params.clone()]).await;
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("instType".to_string(), Value::Str("ANY".to_string()));
            m
        });
        let mut channel: Value = Value::Str("positions".to_string());
        let mut newPositions: Value = Value::Null;
        if is_equal(&symbols, &Value::Null) {
            let mut arg: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("channel".to_string(), Value::Str("positions".to_string()));
                    m.insert("instType".to_string(), Value::Str("ANY".to_string()));
                m
            });
            let mut args: Value = Value::List(vec![self.extend(arg.clone(), &[params.clone()])]);
            let mut nonSymbolRequest: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("op".to_string(), Value::Str("subscribe".to_string()));
                    m.insert("args".to_string(), args.clone());
                m
            });
            let mut url: Value = self.get_url(channel.clone(), &[Value::Str("private".to_string())]);
            newPositions = self.watch(url.clone(), channel.clone(), &[nonSymbolRequest.clone(), channel.clone()]).await;
        }  else {
            let __ws_arg_2 = self.extend(request.clone(), &[params.clone()]);
            newPositions = self.subscribe_multiple(Value::Str("private".to_string()), channel.clone(), &[symbols.clone(), __ws_arg_2]).await;
        }
        if is_true(&self.newUpdates) {
            return ternary(is_true(&(is_equal(&newPositions, &Value::Null))), Value::List(vec![]), newPositions.clone());
        }
        return self.filter_by_symbols_since_limit(self.positions.clone(), &[symbols.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_positions(&mut self, mut client: Value, mut message: Value) {
        //
        //    {
        //        arg: {
        //            channel: 'positions',
        //            instType: 'ANY',
        //            instId: 'XRP-USDT-SWAP',
        //            uid: '464737184507959869'
        //        },
        //        data: [{
        //            adl: '1',
        //            availPos: '',
        //            avgPx: '0.52668',
        //            baseBal: '',
        //            baseBorrowed: '',
        //            baseInterest: '',
        //            bizRefId: '',
        //            bizRefType: '',
        //            cTime: '1693151444408',
        //            ccy: 'USDT',
        //            closeOrderAlgo: [],
        //            deltaBS: '',
        //            deltaPA: '',
        //            gammaBS: '',
        //            gammaPA: '',
        //            idxPx: '0.52683',
        //            imr: '17.564000000000004',
        //            instId: 'XRP-USDT-SWAP',
        //            instType: 'SWAP',
        //            interest: '',
        //            last: '0.52691',
        //            lever: '3',
        //            liab: '',
        //            liabCcy: '',
        //            liqPx: '0.3287514731020614',
        //            margin: '',
        //            markPx: '0.52692',
        //            mgnMode: 'cross',
        //            mgnRatio: '69.00363001456147',
        //            mmr: '0.26346',
        //            notionalUsd: '52.68620388000001',
        //            optVal: '',
        //            pTime: '1693151906023',
        //            pendingCloseOrdLiabVal: '',
        //            pos: '1',
        //            posCcy: '',
        //            posId: '616057041198907393',
        //            posSide: 'net',
        //            quoteBal: '',
        //            quoteBorrowed: '',
        //            quoteInterest: '',
        //            spotInUseAmt: '',
        //            spotInUseCcy: '',
        //            thetaBS: '',
        //            thetaPA: '',
        //            tradeId: '138745402',
        //            uTime: '1693151444408',
        //            upl: '0.0240000000000018',
        //            uplLastPx: '0.0229999999999952',
        //            uplRatio: '0.0013670539986328',
        //            uplRatioLastPx: '0.001310093415356',
        //            usdPx: '',
        //            vegaBS: '',
        //            vegaPA: ''
        //        }]
        //    }
        //
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone(), Value::Null, Value::Str("-".to_string())]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[Value::Str("".to_string())]);
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        if is_equal(&self.positions, &Value::Null) {
            self.positions = ArrayCacheBySymbolBySide::new(Value::Null);
        }
        let mut cache: Value = self.positions.clone();
        let mut newPositions: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_546: bool = true;
            while { if !__for_first_546 { i = add(&i, &Value::Int(1)); } __for_first_546 = false; is_less_than(&i, &get_array_length(&data)) } {
            let mut rawPosition: Value = get_value(&data, &i);
            let mut rawPosition: Value = get_value(&data, &i);
            let mut position: Value = self.parse_position(rawPosition.clone(), &[]);
            if is_equal(&get_value(&position, &Value::Str("contracts".to_string())), &Value::Int(0)) && is_equal(&get_value(&rawPosition, &Value::Str("posSide".to_string())), &Value::Str("net".to_string())) {
                add_element_to_object(&mut position, &Value::Str("side".to_string()), Value::Str("long".to_string()));
                let mut shortPosition: Value = self.clone_value(position.clone());
                add_element_to_object(&mut shortPosition, &Value::Str("side".to_string()), Value::Str("short".to_string()));
                cache.append(shortPosition.clone());
                append_to_array(&mut newPositions, shortPosition.clone());
            }
            append_to_array(&mut newPositions, position.clone());
            cache.append(position.clone());
        }
        }
        let mut messageHash: Value = channel.clone();
        if !is_equal(&symbol, &Value::Null) {
            messageHash = add(&add(&channel, &Value::Str("::".to_string())), &symbol);
        }
        client.resolve(&[newPositions.clone(), messageHash.clone()]);
}

/*
 * @method
 * @name okx#watchOrders
 * @description watches information on multiple orders made by the user
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-order-channel
 * @param {string} [symbol] unified market symbol of the market the 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
 * @param {bool} [params.trigger] true if fetching trigger or conditional orders
 * @param {string} [params.type] 'spot', 'swap', 'future', 'option', 'ANY', 'SPOT', 'MARGIN', 'SWAP', 'FUTURES' or 'OPTION'
 * @param {string} [params.marginMode] 'cross' or 'isolated', for automatically setting the type to spot margin
 * @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
}));
        let mut type_var: Value = Value::Null;
        // By default, receive order updates from any instrument type
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchOrders".to_string()), Value::Str("type".to_string()), &[Value::Str("ANY".to_string())]); type_var = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isTrigger: Value = self.safe_value2(params.clone(), Value::Str("stop".to_string()), Value::Str("trigger".to_string()), &[Value::Bool(false)]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("stop".to_string()), Value::Str("trigger".to_string())]), &[]);
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut accessType: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("business".to_string()), Value::Str("private".to_string()));
        self.authenticate(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("access".to_string(), accessType.clone());
    m
})]).await;
        let mut market: Value = Value::Null;
        if !is_equal(&symbol, &Value::Null) {
            market = self.market(symbol.clone());
            symbol = get_value(&market, &Value::Str("symbol".to_string()));
            type_var = get_value(&market, &Value::Str("type".to_string()));
        }
        if is_equal(&type_var, &Value::Str("future".to_string())) {
            type_var = Value::Str("futures".to_string());
        }
        if is_equal(&type_var, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchOrders() type is required".to_string()))));
        }
        let mut uppercaseType: Value = to_upper(&type_var);
        let mut marginMode: Value = Value::Null;
        { let __destr_tmp = self.handle_margin_mode_and_params(Value::Str("watchOrders".to_string()), &[params.clone()]); marginMode = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        if is_equal(&uppercaseType, &Value::Str("SPOT".to_string())) {
            if !is_equal(&marginMode, &Value::Null) {
                uppercaseType = Value::Str("MARGIN".to_string());
            }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("instType".to_string(), uppercaseType.clone());
            m
        });
        let mut channel: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("orders-algo".to_string()), Value::Str("orders".to_string()));
        let __ws_arg_3 = self.extend(request.clone(), &[params.clone()]);
        let mut orders: Value = self.subscribe(Value::Str("private".to_string()), channel.clone(), channel.clone(), symbol.clone(), &[__ws_arg_3]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_symbol_since_limit(orders.clone(), &[symbol.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_orders(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg":{
        //             "channel":"orders",
        //             "instType":"SPOT"
        //         },
        //         "data":[
        //             {
        //                 "accFillSz":"0",
        //                 "amendResult":"",
        //                 "avgPx":"",
        //                 "cTime":"1634548275191",
        //                 "category":"normal",
        //                 "ccy":"",
        //                 "clOrdId":"e847386590ce4dBC330547db94a08ba0",
        //                 "code":"0",
        //                 "execType":"",
        //                 "fee":"0",
        //                 "feeCcy":"USDT",
        //                 "fillFee":"0",
        //                 "fillFeeCcy":"",
        //                 "fillNotionalUsd":"",
        //                 "fillPx":"",
        //                 "fillSz":"0",
        //                 "fillTime":"",
        //                 "instId":"ETH-USDT",
        //                 "instType":"SPOT",
        //                 "lever":"",
        //                 "msg":"",
        //                 "notionalUsd":"451.4516256",
        //                 "ordId":"370257534141235201",
        //                 "ordType":"limit",
        //                 "pnl":"0",
        //                 "posSide":"",
        //                 "px":"60000",
        //                 "rebate":"0",
        //                 "rebateCcy":"ETH",
        //                 "reqId":"",
        //                 "side":"sell",
        //                 "slOrdPx":"",
        //                 "slTriggerPx":"",
        //                 "state":"live",
        //                 "sz":"0.007526",
        //                 "tag":"",
        //                 "tdMode":"cash",
        //                 "tgtCcy":"",
        //                 "tpOrdPx":"",
        //                 "tpTriggerPx":"",
        //                 "tradeId":"",
        //                 "uTime":"1634548275191"
        //             }
        //         ]
        //     }
        //
        self.handle_my_trades(client.clone(), message.clone());
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut orders: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut ordersLength: Value = get_array_length(&orders);
        if is_greater_than(&ordersLength, &Value::Int(0)) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
            if is_equal(&self.orders, &Value::Null) {
                self.orders = ArrayCacheBySymbolById::new(limit.clone());
                self.triggerOrders = ArrayCacheBySymbolById::new(limit.clone());
            }
            let mut stored: Value = ternary(is_true(&(is_equal(&channel, &Value::Str("orders-algo".to_string())))), self.triggerOrders.clone(), self.orders.clone());
            let mut marketIds: Value = Value::List(vec![]);
            let mut parsed: Value = self.parse_orders(orders.clone(), &[]);
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_547: bool = true;
                while { if !__for_first_547 { i = add(&i, &Value::Int(1)); } __for_first_547 = false; is_less_than(&i, &get_array_length(&parsed)) } {
                let mut order: Value = get_value(&parsed, &i);
                let mut order: Value = get_value(&parsed, &i);
                stored.append(order.clone());
                let mut symbol: Value = get_value(&order, &Value::Str("symbol".to_string()));
                let mut market: Value = self.market(symbol.clone());
                append_to_array(&mut marketIds, get_value(&market, &Value::Str("id".to_string())));
            }
            }
            client.resolve(&[stored.clone(), channel.clone()]);
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_548: bool = true;
                while { if !__for_first_548 { i = add(&i, &Value::Int(1)); } __for_first_548 = false; is_less_than(&i, &get_array_length(&marketIds)) } {
                let mut messageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &get_value(&marketIds, &i));
                client.resolve(&[stored.clone(), messageHash.clone()]);
            }
            }
        }
}

    pub fn handle_my_trades(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "arg":{
        //             "channel":"orders",
        //             "instType":"SPOT"
        //         },
        //         "data":[
        //             {
        //                 "accFillSz":"0",
        //                 "amendResult":"",
        //                 "avgPx":"",
        //                 "cTime":"1634548275191",
        //                 "category":"normal",
        //                 "ccy":"",
        //                 "clOrdId":"e847386590ce4dBC330547db94a08ba0",
        //                 "code":"0",
        //                 "execType":"",
        //                 "fee":"0",
        //                 "feeCcy":"USDT",
        //                 "fillFee":"0",
        //                 "fillFeeCcy":"",
        //                 "fillNotionalUsd":"",
        //                 "fillPx":"",
        //                 "fillSz":"0",
        //                 "fillTime":"",
        //                 "instId":"ETH-USDT",
        //                 "instType":"SPOT",
        //                 "lever":"",
        //                 "msg":"",
        //                 "notionalUsd":"451.4516256",
        //                 "ordId":"370257534141235201",
        //                 "ordType":"limit",
        //                 "pnl":"0",
        //                 "posSide":"",
        //                 "px":"60000",
        //                 "rebate":"0",
        //                 "rebateCcy":"ETH",
        //                 "reqId":"",
        //                 "side":"sell",
        //                 "slOrdPx":"",
        //                 "slTriggerPx":"",
        //                 "state":"live",
        //                 "sz":"0.007526",
        //                 "tag":"",
        //                 "tdMode":"cash",
        //                 "tgtCcy":"",
        //                 "tpOrdPx":"",
        //                 "tpTriggerPx":"",
        //                 "tradeId":"",
        //                 "uTime":"1634548275191"
        //             }
        //         ]
        //     }
        //
        let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
        let mut rawOrders: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        let mut filteredOrders: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_549: bool = true;
            while { if !__for_first_549 { i = add(&i, &Value::Int(1)); } __for_first_549 = false; is_less_than(&i, &get_array_length(&rawOrders)) } {
            let mut rawOrder: Value = get_value(&rawOrders, &i);
            let mut rawOrder: Value = get_value(&rawOrders, &i);
            let mut tradeId: Value = self.safe_string_k(rawOrder.clone(), "tradeId", &[Value::Str("".to_string())]);
            if is_greater_than(&get_array_length(&tradeId), &Value::Int(0)) {
                let mut order: Value = self.parse_order(rawOrder.clone(), &[]);
                append_to_array(&mut filteredOrders, order.clone());
            }
        }
        }
        let mut tradesLength: Value = get_array_length(&filteredOrders);
        if is_equal(&tradesLength, &Value::Int(0)) {
            return;
        }
        if is_equal(&self.myTrades, &Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            self.myTrades = ArrayCacheBySymbolById::new(limit.clone());
        }
        let mut myTrades: Value = self.myTrades.clone();
        let mut symbols: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_550: bool = true;
            while { if !__for_first_550 { i = add(&i, &Value::Int(1)); } __for_first_550 = false; is_less_than(&i, &get_array_length(&filteredOrders)) } {
            let mut rawTrade: Value = get_value(&filteredOrders, &i);
            let mut rawTrade: Value = get_value(&filteredOrders, &i);
            let mut trade: Value = self.order_to_trade(rawTrade.clone(), &[]);
            myTrades.append(trade.clone());
            let mut symbol: Value = get_value(&trade, &Value::Str("symbol".to_string()));
            if !is_equal(&symbol, &Value::Null) {
                add_element_to_object(&mut symbols, &symbol, Value::Bool(true));
            }
        }
        }
        let mut messageHash: Value = add(&channel, &Value::Str("::myTrades".to_string()));
        client.resolve(&[self.myTrades.clone(), messageHash.clone()]);
        let mut tradeSymbols: Value = object_keys(&symbols);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_551: bool = true;
            while { if !__for_first_551 { i = add(&i, &Value::Int(1)); } __for_first_551 = false; is_less_than(&i, &get_array_length(&tradeSymbols)) } {
            let mut symbolMessageHash: Value = add(&add(&messageHash, &Value::Str("::".to_string())), &get_value(&tradeSymbols, &i));
            client.resolve(&[self.myTrades.clone(), symbolMessageHash.clone()]);
        }
        }
}

    pub fn request_id(&self) -> Value {
        let mut ts: Value = to_string_val(&self.milliseconds());
        let mut randomNumber: Value = self.rand_number(Value::Int(4));
        let mut randomPart: Value = to_string_val(&randomNumber);
        return add(&ts, &randomPart);

    Value::Null
}

/*
 * @method
 * @name okx#createOrderWs
 * @see https://www.okx.com/docs-v5/en/#websocket-api-trade-place-order
 * @description create a trade order
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} type 'market' or 'limit'
 * @param {string} side 'buy' or 'sell'
 * @param {float} amount how much of currency you want to trade in units of base currency
 * @param {float|undefined} [price] the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {boolean} params.test test order, default false
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn create_order_ws(&mut self, mut symbol: Value, mut type_var: Value, mut side: Value, mut amount: Value, optional_args: &[Value]) -> Value {
        let mut price = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        let mut url: Value = self.get_url(Value::Str("private".to_string()), &[Value::Str("private".to_string())]);
        let mut messageHash: Value = self.request_id();
        let mut op: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("createOrderWs".to_string()), Value::Str("op".to_string()), &[Value::Str("batch-orders".to_string())]); op = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut args: Value = self.parent.create_order_request(symbol.clone(), type_var.clone(), side.clone(), amount.clone(), &[price.clone(), params.clone()]);
        let mut market: Value = self.market(symbol.clone());
        let mut instIdCode: Value = self.safe_integer_k(market.clone(), "instIdCode", &[]);
        if !is_equal(&instIdCode, &Value::Null) {
            remove(&mut args, &Value::Str("instId".to_string()));
            add_element_to_object(&mut args, &Value::Str("instIdCode".to_string()), instIdCode.clone());
        }
        let mut ordType: Value = self.safe_string_k(args.clone(), "ordType", &[]);
        if is_true(&(is_equal(&ordType, &Value::Str("trigger".to_string())))) || is_true(&(is_equal(&ordType, &Value::Str("conditional".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("oco".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("move_order_stop".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("iceberg".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("twap".to_string())))) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" createOrderWs() does not support algo trading. this.options[\"createOrderWs\"][\"op\"] must be either order or batch-order".to_string()))));
        }
        if is_true(&(!is_equal(&op, &Value::Str("order".to_string())))) && is_true(&(!is_equal(&op, &Value::Str("batch-orders".to_string())))) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" createOrderWs() does not support algo trading. this.options[\"createOrderWs\"][\"op\"] must be either order or privatePostTradeOrder or privatePostTradeOrderAlgo".to_string()))));
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), messageHash.clone());
                m.insert("op".to_string(), op.clone());
                m.insert("args".to_string(), Value::List(vec![args.clone()]));
            m
        });
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;

    Value::Null
}

    pub fn handle_place_orders(&self, mut client: Value, mut message: Value) {
        //
        //  batch-orders/order/cancel-order
        //    {
        //        "id": "1689281055",
        //        "op": "batch-orders",
        //        "code": "0",
        //        "msg": '',
        //        "data": [{
        //            "tag": "e847386590ce4dBC",
        //            "ordId": "599823446566084608",
        //            "clOrdId": "e847386590ce4dBCb939511604f394b0",
        //            "sCode": "0",
        //            "sMsg": "Order successfully placed."
        //        },
        //        ...
        //        ]
        //    }
        //
        let mut messageHash: Value = self.safe_string_k(message.clone(), "id", &[]);
        let mut args: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        // filter out partial errors
        args = self.filter_by(args.clone(), Value::Str("sCode".to_string()), Value::Str("0".to_string()), &[]);
        // if empty means request failed and handle error
        if is_true(&self.is_empty(args.clone())) {
            let mut method: Value = self.safe_string_k(message.clone(), "op", &[]);
            let mut stringMsg: Value = self.json(message.clone());
            self.handle_errors(Value::Int(1), Value::Str("".to_string()), get_value(&client, &Value::Str("url".to_string())), method.clone(), Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            }), stringMsg.clone(), message.clone(), Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            }), Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            }));
        }
        let mut orders: Value = self.parse_orders(args.clone(), &[Value::Null, Value::Null, Value::Null]);
        let mut first: Value = self.safe_dict(orders.clone(), Value::Int(0), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        client.resolve(&[first.clone(), messageHash.clone()]);
}

/*
 * @method
 * @name okx#editOrderWs
 * @description edit a trade order
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-amend-order
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-amend-multiple-orders
 * @param {string} id order id
 * @param {string} symbol unified symbol of the market to create an order in
 * @param {string} type 'market' or 'limit'
 * @param {string} side 'buy' or 'sell'
 * @param {float} amount how much of the currency you want to trade in units of the base currency
 * @param {float|undefined} [price] the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order structure]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn edit_order_ws(&mut self, mut id: Value, mut symbol: Value, mut type_var: Value, mut side: Value, optional_args: &[Value]) -> Value {
        let mut amount = get_arg(optional_args, 0, Value::Null);
        let mut price = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        let mut url: Value = self.get_url(Value::Str("private".to_string()), &[Value::Str("private".to_string())]);
        let mut messageHash: Value = self.request_id();
        let mut op: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("editOrderWs".to_string()), Value::Str("op".to_string()), &[Value::Str("amend-order".to_string())]); op = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut args: Value = self.parent.edit_order_request(id.clone(), symbol.clone(), type_var.clone(), side.clone(), &[amount.clone(), price.clone(), params.clone()]);
        let mut market: Value = self.market(symbol.clone());
        let mut instIdCode: Value = self.safe_integer_k(market.clone(), "instIdCode", &[]);
        if !is_equal(&instIdCode, &Value::Null) {
            remove(&mut args, &Value::Str("instId".to_string()));
            add_element_to_object(&mut args, &Value::Str("instIdCode".to_string()), instIdCode.clone());
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), messageHash.clone());
                m.insert("op".to_string(), op.clone());
                m.insert("args".to_string(), Value::List(vec![args.clone()]));
            m
        });
        let __ws_arg_4 = self.extend(request.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[__ws_arg_4, messageHash.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#cancelOrderWs
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-cancel-order
 * @description cancel multiple orders
 * @param {string} id order id
 * @param {string} symbol unified market symbol, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.clOrdId] client order id
 * @returns {object} an list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn cancel_order_ws(&mut self, mut id: Value, 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 is_equal(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" cancelOrderWs() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        let mut url: Value = self.get_url(Value::Str("private".to_string()), &[Value::Str("private".to_string())]);
        let mut messageHash: Value = self.request_id();
        let mut clientOrderId: Value = self.safe_string2(params.clone(), Value::Str("clOrdId".to_string()), Value::Str("clientOrderId".to_string()), &[]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("clientOrderId".to_string()), Value::Str("clOrdId".to_string())]), &[]);
        let mut market: Value = self.market(symbol.clone());
        let mut instIdCode: Value = self.safe_integer_k(market.clone(), "instIdCode", &[]);
        let mut arg: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("instIdCode".to_string(), instIdCode.clone());
            m
        });
        if !is_equal(&clientOrderId, &Value::Null) {
            add_element_to_object(&mut arg, &Value::Str("clOrdId".to_string()), clientOrderId.clone());
        }  else {
            add_element_to_object(&mut arg, &Value::Str("ordId".to_string()), id.clone());
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), messageHash.clone());
                m.insert("op".to_string(), Value::Str("cancel-order".to_string()));
                m.insert("args".to_string(), Value::List(vec![self.extend(arg.clone(), &[params.clone()])]));
            m
        });
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#cancelOrdersWs
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-cancel-multiple-orders
 * @description cancel multiple orders
 * @param {string[]} ids order ids
 * @param {string} symbol unified market symbol, default is undefined
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn cancel_orders_ws(&mut self, mut ids: Value, 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
}));
        let mut idsLength: Value = get_array_length(&ids);
        if is_greater_than(&idsLength, &Value::Int(20)) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" cancelOrdersWs() accepts up to 20 ids at a time".to_string()))));
        }
        if is_equal(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" cancelOrdersWs() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        let mut url: Value = self.get_url(Value::Str("private".to_string()), &[Value::Str("private".to_string())]);
        let mut messageHash: Value = self.request_id();
        let mut args: Value = Value::List(vec![]);
        let mut market: Value = self.market(symbol.clone());
        let mut instIdCode: Value = self.safe_integer_k(market.clone(), "instIdCode", &[]);
        let mut instParams: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("instIdCode".to_string(), instIdCode.clone());
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_552: bool = true;
            while { if !__for_first_552 { i = add(&i, &Value::Int(1)); } __for_first_552 = false; is_less_than(&i, &idsLength) } {
            let mut arg: Value = self.extend(instParams.clone(), &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("ordId".to_string(), get_value(&ids, &i));
                m
            })]);
            append_to_array(&mut args, arg.clone());
        }
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), messageHash.clone());
                m.insert("op".to_string(), Value::Str("batch-cancel-orders".to_string()));
                m.insert("args".to_string(), args.clone());
            m
        });
        let __ws_arg_5 = self.deep_extend(request.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[__ws_arg_5, messageHash.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name okx#cancelAllOrdersWs
 * @see https://www.okx.com/docs-v5/en/#order-book-trading-trade-ws-mass-cancel-order
 * @description cancel all open orders of a type. Only applicable to Option in Portfolio Margin mode, and MMP privilege is required.
 * @param {string} symbol unified market symbol, only orders in the market of this symbol are cancelled when symbol is not undefined
 * @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 cancel_all_orders_ws(&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 is_equal(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" cancelAllOrdersWs() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        self.authenticate(&[]).await;
        let mut market: Value = self.market(symbol.clone());
        if !is_equal(&get_value(&market, &Value::Str("type".to_string())), &Value::Str("option".to_string())) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" cancelAllOrdersWs is only applicable to Option in Portfolio Margin mode, and MMP privilege is required.".to_string()))));
        }
        let mut url: Value = self.get_url(Value::Str("private".to_string()), &[Value::Str("private".to_string())]);
        let mut messageHash: Value = self.request_id();
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), messageHash.clone());
                m.insert("op".to_string(), Value::Str("mass-cancel".to_string()));
                m.insert("args".to_string(), Value::List(vec![self.extend(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("instType".to_string(), Value::Str("OPTION".to_string()));
        m.insert("instFamily".to_string(), get_value(&market, &Value::Str("id".to_string())));
    m
}), &[params.clone()])]));
            m
        });
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;

    Value::Null
}

    pub fn handle_cancel_all_orders(&self, mut client: Value, mut message: Value) {
        //
        //    {
        //        "id": "1512",
        //        "op": "mass-cancel",
        //        "data": [
        //            {
        //                "result": true
        //            }
        //        ],
        //        "code": "0",
        //        "msg": ""
        //    }
        //
        let mut messageHash: Value = self.safe_string_k(message.clone(), "id", &[]);
        let mut data: Value = self.safe_value_k(message.clone(), "data", &[Value::List(vec![])]);
        client.resolve(&[data.clone(), messageHash.clone()]);
}

    pub fn handle_subscription_status(&self, mut client: Value, mut message: Value) -> Value {
        return message;

    Value::Null
}

    pub fn handle_authenticate(&self, mut client: Value, mut message: Value) {
        //
        //     { event: "login", success: true }
        //
        let mut future: Value = self.safe_value(get_value(&client, &Value::Str("futures".to_string())), Value::Str("authenticated".to_string()), &[]);
        future.resolve(&[Value::Bool(true)]);
}

    pub fn ping(&self, mut client: Value) -> Value {
        return Value::Str("ping".to_string());

    Value::Null
}

    pub fn handle_pong(&self, mut client: Value, mut message: Value) -> Value {
        crate::set_value(&mut client, &Value::Str("lastPong".to_string()), self.milliseconds());
        return message;

    Value::Null
}

    pub fn handle_error_message(&self, mut client: Value, mut message: Value) -> Value {
        //
        //     { event: 'error', msg: "Illegal request: {"op":"subscribe","args":["spot/ticker:BTC-USDT"]}", code: "60012" }
        //     { event: 'error", msg: "channel:ticker,instId:BTC-USDT doesn"t exist", code: "60018" }
        //     {"event":"error","msg":"Illegal request: {\\"id\\":\\"17321173472466905\\",\\"op\\":\\"amend-order\\",\\"args\\":[{\\"instId\\":\\"ETH-USDC\\",\\"ordId\\":\\"2000345622407479296\\",\\"newSz\\":\\"0.050857\\",\\"newPx\\":\\"2949.4\\",\\"postOnly\\":true}],\\"postOnly\\":true}","code":"60012","connId":"0808af6c"}
        //
        let mut errorCode: Value = self.safe_string_k(message.clone(), "code", &[]);
        let _try_result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
            if is_true(&(!is_equal(&errorCode, &Value::Null) && !is_equal(&errorCode, &Value::Str("".to_string())))) && !is_equal(&errorCode, &Value::Str("0".to_string())) {
                let mut feedback: Value = add(&add(&self.id, &Value::Str(" ".to_string())), &self.json(message.clone()));
                if !is_equal(&errorCode, &Value::Str("1".to_string())) {
                    self.throw_exactly_matched_exception(get_value(&self.exceptions, &Value::Str("exact".to_string())), errorCode.clone(), feedback.clone());
                }
                let mut messageString: Value = self.safe_value_k(message.clone(), "msg", &[]);
                if !is_equal(&messageString, &Value::Null) {
                    self.throw_broadly_matched_exception(get_value(&self.exceptions, &Value::Str("broad".to_string())), messageString.clone(), feedback.clone());
                }  else {
                    let mut data: Value = self.safe_list_k(message.clone(), "data", &[Value::List(vec![])]);
                    {
                                                let mut i: Value = Value::Int(0);
                        let mut __for_first_553: bool = true;
                        while { if !__for_first_553 { i = add(&i, &Value::Int(1)); } __for_first_553 = false; is_less_than(&i, &get_array_length(&data)) } {
                        let mut d: Value = get_value(&data, &i);
                        let mut d: Value = get_value(&data, &i);
                        errorCode = self.safe_string_k(d.clone(), "sCode", &[]);
                        if !is_equal(&errorCode, &Value::Null) {
                            self.throw_exactly_matched_exception(get_value(&self.exceptions, &Value::Str("exact".to_string())), errorCode.clone(), feedback.clone());
                        }
                        messageString = self.safe_value_k(d.clone(), "sMsg", &[]);
                        if !is_equal(&messageString, &Value::Null) {
                            self.throw_broadly_matched_exception(get_value(&self.exceptions, &Value::Str("broad".to_string())), messageString.clone(), feedback.clone());
                        }
                    }
                    }
                }
                panic!("{}", crate::exchange_errors::exchange_error(feedback));
            }
         #[allow(unreachable_code)] { Value::Null }}));
if let Err(_try_err) = _try_result { let e: Value = panic_to_value(_try_err);
            // if the message contains an id, it means it is a response to a request
            // so we only reject that promise, instead of deleting all futures, destroying the authentication future
            let mut id: Value = self.safe_string_k(message.clone(), "id", &[]);
            if is_equal(&id, &Value::Null) {
                // try to parse it from the stringified json inside msg
                let mut msg: Value = self.safe_string_k(message.clone(), "msg", &[]);
                if !is_equal(&msg, &Value::Null) && is_true(&Value::Bool(starts_with(&msg, &Value::Str("Illegal request: {".to_string())))) {
                    let mut stringifiedJson: Value = replace_str(&msg, &Value::Str("Illegal request: ".to_string()), &Value::Str("".to_string()));
                    let mut parsedJson: Value = self.parse_json_value(stringifiedJson.clone());
                    id = self.safe_string_k(parsedJson.clone(), "id", &[]);
                }
            }
            if !is_equal(&id, &Value::Null) {
                client.reject(&[e.clone(), id.clone()]);
                return Value::Bool(false);
            }
            client.reject(&[e.clone()]);
            return Value::Bool(false);
        }
        return Value::Bool(true);

    Value::Null
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        if !is_equal(&self.handle_error_message(client.clone(), message.clone()), &Value::Bool(true)) {
            return;
        }
        //
        //     { event: 'subscribe', arg: { channel: "tickers", instId: "BTC-USDT" } }
        //     { event: 'login", msg: '", code: "0" }
        //
        //     {
        //         "arg": { channel: "tickers", instId: "BTC-USDT" },
        //         "data": [
        //             {
        //                 "instType": "SPOT",
        //                 "instId": "BTC-USDT",
        //                 "last": "31500.1",
        //                 "lastSz": "0.00001754",
        //                 "askPx": "31500.1",
        //                 "askSz": "0.00998144",
        //                 "bidPx": "31500",
        //                 "bidSz": "3.05652439",
        //                 "open24h": "31697",
        //                 "high24h": "32248",
        //                 "low24h": "31165.6",
        //                 "sodUtc0": "31385.5",
        //                 "sodUtc8": "32134.9",
        //                 "volCcy24h": "503403597.38138519",
        //                 "vol24h": "15937.10781721",
        //                 "ts": "1626526618762"
        //             }
        //         ]
        //     }
        //
        //     { event: 'error', msg: "Illegal request: {"op":"subscribe","args":["spot/ticker:BTC-USDT"]}", code: "60012" }
        //     { event: 'error", msg: "channel:ticker,instId:BTC-USDT doesn"t exist", code: "60018" }
        //     { event: 'error', msg: "Invalid OK_ACCESS_KEY", code: "60005" }
        //     {
        //         "event": "error",
        //         "msg": "Illegal request: {"op":"login","args":["de89b035-b233-44b2-9a13-0ccdd00bda0e","7KUcc8YzQhnxBE3K","1626691289","H57N99mBt5NvW8U19FITrPdOxycAERFMaapQWRqLaSE="]}",
        //         "code": "60012"
        //     }
        //
        //
        //
        if is_equal(&message, &Value::Str("pong".to_string())) {
            self.handle_pong(client.clone(), message.clone());
            return;
        }
        // const table = this.safeString (message, 'table');
        // if (table === undefined) {
        let mut event: Value = self.safe_string2(message.clone(), Value::Str("event".to_string()), Value::Str("op".to_string()), &[]);
        if !is_equal(&event, &Value::Null) {
            let mut methods: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("login".to_string(), Value::Str("handle_authenticate".to_string()).clone());
                    m.insert("subscribe".to_string(), Value::Str("handle_subscription_status".to_string()).clone());
                    m.insert("unsubscribe".to_string(), Value::Str("handle_unsubscription".to_string()).clone());
                    m.insert("order".to_string(), Value::Str("handle_place_orders".to_string()).clone());
                    m.insert("batch-orders".to_string(), Value::Str("handle_place_orders".to_string()).clone());
                    m.insert("amend-order".to_string(), Value::Str("handle_place_orders".to_string()).clone());
                    m.insert("batch-amend-orders".to_string(), Value::Str("handle_place_orders".to_string()).clone());
                    m.insert("cancel-order".to_string(), Value::Str("handle_place_orders".to_string()).clone());
                    m.insert("mass-cancel".to_string(), Value::Str("handle_cancel_all_orders".to_string()).clone());
                m
            });
            let mut method: Value = self.safe_value(methods.clone(), event.clone(), &[]);
            if !is_equal(&method, &Value::Null) {
                self.dispatch_ws_handler(&method, &[client.clone(), message.clone()]);
            }
        }  else {
            let mut arg: Value = self.safe_value_k(message.clone(), "arg", &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[]);
            if is_equal(&channel, &Value::Null) {
                return;
            }
            let mut methods: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("bbo-tbt".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("books".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("books5".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("books-rpi".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("books50-l2-tbt".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("books-l2-tbt".to_string(), Value::Str("handle_order_book".to_string()).clone());
                    m.insert("tickers".to_string(), Value::Str("handle_ticker".to_string()).clone());
                    m.insert("mark-price".to_string(), Value::Str("handle_ticker".to_string()).clone());
                    m.insert("positions".to_string(), Value::Str("handle_positions".to_string()).clone());
                    m.insert("index-tickers".to_string(), Value::Str("handle_ticker".to_string()).clone());
                    m.insert("sprd-tickers".to_string(), Value::Str("handle_ticker".to_string()).clone());
                    m.insert("block-tickers".to_string(), Value::Str("handle_ticker".to_string()).clone());
                    m.insert("trades".to_string(), Value::Str("handle_trades".to_string()).clone());
                    m.insert("trades-all".to_string(), Value::Str("handle_trades".to_string()).clone());
                    m.insert("account".to_string(), Value::Str("handle_balance".to_string()).clone());
                    m.insert("funding-rate".to_string(), Value::Str("handle_funding_rate".to_string()).clone());
                    m.insert("orders".to_string(), Value::Str("handle_orders".to_string()).clone());
                    m.insert("orders-algo".to_string(), Value::Str("handle_orders".to_string()).clone());
                    m.insert("liquidation-orders".to_string(), Value::Str("handle_liquidation".to_string()).clone());
                    m.insert("balance_and_position".to_string(), Value::Str("handle_balance_and_position".to_string()).clone());
                m
            });
            let mut method: Value = self.safe_value(methods.clone(), channel.clone(), &[]);
            if is_equal(&method, &Value::Null) {
                if is_equal(&get_index_of(&channel, &Value::Str("candle".to_string())), &Value::Int(0)) {
                    self.handle_ohlcv(client.clone(), message.clone());
                }
            }  else {
                self.dispatch_ws_handler(&method, &[client.clone(), message.clone()]);
            }
        }
}

    pub fn handle_un_subscription_trades(&mut self, mut client: Value, mut symbol: Value, mut channel: Value) {
        let mut subMessageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &symbol);
        let mut messageHash: Value = add(&Value::Str("unsubscribe:".to_string()), &subMessageHash);
        self.clean_unsubscription(client.clone(), subMessageHash.clone(), messageHash.clone(), &[]);
        if is_true(&Value::Bool(in_op(&self.trades, &symbol))) {
            remove(&mut self.trades, &symbol);
        }
}

    pub fn handle_unsubscription_order_book(&mut self, mut client: Value, mut symbol: Value, mut channel: Value) {
        let mut subMessageHash: Value = add(&add(&channel, &Value::Str(":".to_string())), &symbol);
        let mut messageHash: Value = add(&Value::Str("unsubscribe:orderbook:".to_string()), &symbol);
        self.clean_unsubscription(client.clone(), subMessageHash.clone(), messageHash.clone(), &[]);
        if is_true(&Value::Bool(in_op(&self.orderbooks, &symbol))) {
            remove(&mut self.orderbooks, &symbol);
        }
}

    pub fn handle_unsubscription_ohlcv(&mut self, mut client: Value, mut symbol: Value, mut channel: Value) {
        let mut tf: Value = replace_str(&channel, &Value::Str("candle".to_string()), &Value::Str("".to_string()));
        let mut timeframe: Value = self.find_timeframe(tf.clone(), &[]);
        if is_equal(&timeframe, &Value::Null) {
            return;
        }
        let mut subMessageHash: Value = add(&add(&add(&Value::Str("multi:".to_string()), &channel), &Value::Str(":".to_string())), &symbol);
        let mut messageHash: Value = add(&Value::Str("unsubscribe:".to_string()), &subMessageHash);
        self.clean_unsubscription(client.clone(), subMessageHash.clone(), messageHash.clone(), &[]);
        if is_true(&(!is_equal(&symbol, &Value::Null))) && is_true(&(!is_equal(&timeframe, &Value::Null))) && is_true(&(Value::Bool(in_op(&get_value(&self.ohlcvs, &symbol), &timeframe)))) {
            remove(&mut get_value(&self.ohlcvs, &symbol), &timeframe);
        }
}

    pub fn handle_unsubscription_ticker(&mut self, mut client: Value, mut symbol: Value, mut channel: Value) {
        let mut subMessageHash: Value = add(&add(&channel, &Value::Str("::".to_string())), &symbol);
        let mut messageHash: Value = add(&Value::Str("unsubscribe:ticker:".to_string()), &symbol);
        self.clean_unsubscription(client.clone(), subMessageHash.clone(), messageHash.clone(), &[]);
        if is_true(&Value::Bool(in_op(&self.tickers, &symbol))) {
            remove(&mut self.tickers, &symbol);
        }
}

    pub fn handle_unsubscription(&mut self, mut client: Value, mut message: Value) {
        //
        // {
        //     "event": "unsubscribe",
        //     "arg": {
        //       "channel": "tickers",
        //       "instId": "LTC-USD-200327"
        //     },
        //     "connId": "a4d3ae55"
        // }
        // arg might be an array or list
        let mut arg: Value = self.safe_dict_k(message.clone(), "arg", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut channel: Value = self.safe_string_k(arg.clone(), "channel", &[Value::Str("".to_string())]);
        let mut marketId: Value = self.safe_string_k(arg.clone(), "instId", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        if is_equal(&channel, &Value::Str("trades".to_string())) || is_equal(&channel, &Value::Str("trades-all".to_string())) {
            self.handle_un_subscription_trades(client.clone(), symbol.clone(), channel.clone());
        }  else if is_true(&Value::Bool(starts_with(&channel, &Value::Str("bbo".to_string())))) || is_true(&Value::Bool(starts_with(&channel, &Value::Str("book".to_string())))) {
            self.handle_unsubscription_order_book(client.clone(), symbol.clone(), channel.clone());
        }  else if is_greater_than(&get_index_of(&channel, &Value::Str("tickers".to_string())), &negate(&Value::Int(1))) {
            self.handle_unsubscription_ticker(client.clone(), symbol.clone(), channel.clone());
        }  else if is_true(&Value::Bool(starts_with(&channel, &Value::Str("candle".to_string())))) {
            self.handle_unsubscription_ohlcv(client.clone(), symbol.clone(), channel.clone());
        }
}
}