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 GateCore {
    pub parent: crate::exchanges::gate::GateCore,
}

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

    pub fn init(&mut self) {
        let described = GateCore::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 GateCore {
    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 GateCore {
    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).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)).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,
                "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,
                "create_orders_ws" => self.create_orders_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "describe_data" => self.describe_data(),
                "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,
                "fetch_closed_orders_ws" => self.fetch_closed_orders_ws(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "fetch_open_orders_ws" => self.fetch_open_orders_ws(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "fetch_order_ws" => self.fetch_order_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "fetch_orders_by_status_ws" => self.fetch_orders_by_status_ws(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "get_cache_index" => self.get_cache_index(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "get_market_type_by_url" => self.get_market_type_by_url(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "get_type_by_market" => self.get_type_by_market(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "get_url_by_market" => self.get_url_by_market(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "get_url_by_market_type" => self.get_url_by_market_type(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 },
                "load_positions_snapshot" => self.load_positions_snapshot(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null)).await,
                "parse_ws_liquidation" => self.parse_ws_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "request_id" => self.request_id(),
                "request_private" => self.request_private(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..).unwrap_or(&[]).to_vec()[..]).await,
                "subscribe_private" => self.subscribe_private(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null), args.get(3).cloned().unwrap_or(crate::Value::Null), args.get(4).cloned().unwrap_or(crate::Value::Null), &args.get(5..).unwrap_or(&[]).to_vec()[..]).await,
                "subscribe_public" => self.subscribe_public(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_public_multiple" => self.subscribe_public_multiple(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_watch_tickers_and_bids_asks" => self.subscribe_watch_tickers_and_bids_asks(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "un_subscribe_public_multiple" => self.un_subscribe_public_multiple(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).cloned().unwrap_or(crate::Value::Null), args.get(5).cloned().unwrap_or(crate::Value::Null), args.get(6).cloned().unwrap_or(crate::Value::Null), &args.get(7..).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_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_my_liquidations" => self.watch_my_liquidations(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).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_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_orders" => self.watch_orders(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_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 GateCore {
    /// 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 },
            "create_order_ws" => { crate::exchange_stubs::enqueue_spawn("create_order_ws", args.to_vec()); crate::Value::Null },
            "create_orders_ws" => { crate::exchange_stubs::enqueue_spawn("create_orders_ws", args.to_vec()); crate::Value::Null },
            "describe_data" => self.describe_data(),
            "edit_order_ws" => { crate::exchange_stubs::enqueue_spawn("edit_order_ws", args.to_vec()); crate::Value::Null },
            "fetch_closed_orders_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_closed_orders_ws", args.to_vec()); crate::Value::Null },
            "fetch_open_orders_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_open_orders_ws", args.to_vec()); crate::Value::Null },
            "fetch_order_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_order_ws", args.to_vec()); crate::Value::Null },
            "fetch_orders_by_status_ws" => { crate::exchange_stubs::enqueue_spawn("fetch_orders_by_status_ws", args.to_vec()); crate::Value::Null },
            "get_cache_index" => self.get_cache_index(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "get_market_type_by_url" => self.get_market_type_by_url(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "get_type_by_market" => self.get_type_by_market(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "get_url_by_market" => self.get_url_by_market(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "get_url_by_market_type" => self.get_url_by_market_type(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "handle_authentication_message" => { self.handle_authentication_message(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_subscription" => { self.handle_balance_subscription(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()[..]); crate::Value::Null },
            "handle_bid_ask" => { self.handle_bid_ask(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_bid_asks" => { self.handle_bid_asks(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_delta" => { self.handle_delta(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_error_message" => self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_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_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_new_spot_order_book" => { self.handle_new_spot_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_ohlcv" => { self.handle_ohlcv(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order" => { self.handle_order(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order_book" => { self.handle_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_order_book_subscription" => { self.handle_order_book_subscription(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null), args.get(2).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_positions" => { self.handle_positions(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_subscription_status" => { self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_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_ticker_and_bid_ask" => { self.handle_ticker_and_bid_ask(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_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_subscribe" => { self.handle_un_subscribe(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "load_positions_snapshot" => { crate::exchange_stubs::enqueue_spawn("load_positions_snapshot", args.to_vec()); crate::Value::Null },
            "parse_ws_liquidation" => self.parse_ws_liquidation(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "request_id" => self.request_id(),
            "request_private" => { crate::exchange_stubs::enqueue_spawn("request_private", args.to_vec()); crate::Value::Null },
            "set_positions_cache" => { self.set_positions_cache(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()[..]); crate::Value::Null },
            "subscribe_private" => { crate::exchange_stubs::enqueue_spawn("subscribe_private", args.to_vec()); crate::Value::Null },
            "subscribe_public" => { crate::exchange_stubs::enqueue_spawn("subscribe_public", args.to_vec()); crate::Value::Null },
            "subscribe_public_multiple" => { crate::exchange_stubs::enqueue_spawn("subscribe_public_multiple", args.to_vec()); crate::Value::Null },
            "subscribe_watch_tickers_and_bids_asks" => { crate::exchange_stubs::enqueue_spawn("subscribe_watch_tickers_and_bids_asks", args.to_vec()); crate::Value::Null },
            "un_subscribe_public_multiple" => { crate::exchange_stubs::enqueue_spawn("un_subscribe_public_multiple", 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_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_my_liquidations" => { crate::exchange_stubs::enqueue_spawn("watch_my_liquidations", 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_order_book" => { crate::exchange_stubs::enqueue_spawn("watch_order_book", args.to_vec()); crate::Value::Null },
            "watch_orders" => { crate::exchange_stubs::enqueue_spawn("watch_orders", args.to_vec()); crate::Value::Null },
            "watch_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 GateCore {
    type Target = crate::exchange::Exchange;
    fn deref(&self) -> &crate::exchange::Exchange { std::ops::Deref::deref(&self.parent) }
}

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

impl GateCore {
    pub fn describe(&self) -> Value {
        let mut superDescribe: Value = self.parent.describe();
        return self.deep_extend(superDescribe.clone(), &[self.describe_data()]);

    Value::Null
}

    pub fn describe_data(&self) -> Value {
        return 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("cancelAllOrdersWs".to_string(), Value::Bool(true));
        m.insert("cancelOrderWs".to_string(), Value::Bool(true));
        m.insert("createMarketBuyOrderWithCostWs".to_string(), Value::Bool(true));
        m.insert("createMarketOrderWs".to_string(), Value::Bool(true));
        m.insert("createMarketOrderWithCostWs".to_string(), Value::Bool(false));
        m.insert("createMarketSellOrderWithCostWs".to_string(), Value::Bool(false));
        m.insert("createOrderWs".to_string(), Value::Bool(true));
        m.insert("createOrdersWs".to_string(), Value::Bool(true));
        m.insert("createPostOnlyOrderWs".to_string(), Value::Bool(true));
        m.insert("createReduceOnlyOrderWs".to_string(), Value::Bool(true));
        m.insert("createStopLimitOrderWs".to_string(), Value::Bool(true));
        m.insert("createStopLossOrderWs".to_string(), Value::Bool(true));
        m.insert("createStopMarketOrderWs".to_string(), Value::Bool(false));
        m.insert("createStopOrderWs".to_string(), Value::Bool(true));
        m.insert("createTakeProfitOrderWs".to_string(), Value::Bool(true));
        m.insert("createTriggerOrderWs".to_string(), Value::Bool(true));
        m.insert("editOrderWs".to_string(), Value::Bool(true));
        m.insert("fetchOrderWs".to_string(), Value::Bool(true));
        m.insert("fetchOrdersWs".to_string(), Value::Bool(false));
        m.insert("fetchOpenOrdersWs".to_string(), Value::Bool(true));
        m.insert("fetchClosedOrdersWs".to_string(), Value::Bool(true));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchBidsAsks".to_string(), Value::Bool(true));
        m.insert("watchTicker".to_string(), Value::Bool(true));
        m.insert("watchTickers".to_string(), Value::Bool(true));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("watchMyTrades".to_string(), Value::Bool(true));
        m.insert("watchOHLCV".to_string(), Value::Bool(true));
        m.insert("watchBalance".to_string(), Value::Bool(true));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchLiquidations".to_string(), Value::Bool(false));
        m.insert("watchLiquidationsForSymbols".to_string(), Value::Bool(false));
        m.insert("watchMyLiquidations".to_string(), Value::Bool(true));
        m.insert("watchMyLiquidationsForSymbols".to_string(), Value::Bool(true));
        m.insert("watchPositions".to_string(), Value::Bool(true));
        m.insert("unWatchTicker".to_string(), Value::Bool(false));
        m.insert("unWatchTickers".to_string(), Value::Bool(false));
        m.insert("unWatchOHLCV".to_string(), Value::Bool(false));
        m.insert("unWatchOHLCVForSymbols".to_string(), Value::Bool(false));
        m.insert("unWatchOrderBook".to_string(), Value::Bool(true));
        m.insert("unWatchOrderBookForSymbols".to_string(), Value::Bool(false));
        m.insert("unWatchTrades".to_string(), Value::Bool(true));
        m.insert("unWatchTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("unWatchMyTrades".to_string(), Value::Bool(false));
        m.insert("unWatchOrders".to_string(), Value::Bool(false));
        m.insert("unWatchPositions".to_string(), Value::Bool(false));
        m.insert("unWatchMarkPrices".to_string(), Value::Bool(false));
        m.insert("unWatchMarkPrice".to_string(), Value::Bool(false));
    m
}));
        m.insert("urls".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("api".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://ws.gate.io/v4".to_string()));
        m.insert("spot".to_string(), Value::Str("wss://api.gateio.ws/ws/v4/".to_string()));
        m.insert("swap".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://fx-ws.gateio.ws/v4/ws/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://fx-ws.gateio.ws/v4/ws/btc".to_string()));
    m
}));
        m.insert("future".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://fx-ws.gateio.ws/v4/ws/delivery/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://fx-ws.gateio.ws/v4/ws/delivery/btc".to_string()));
    m
}));
        m.insert("option".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://op-ws.gateio.live/v4/ws/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://op-ws.gateio.live/v4/ws/btc".to_string()));
    m
}));
    m
}));
        m.insert("test".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("swap".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://ws-testnet.gate.com/v4/ws/futures/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://fx-ws-testnet.gateio.ws/v4/ws/btc".to_string()));
    m
}));
        m.insert("future".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://fx-ws-testnet.gateio.ws/v4/ws/delivery/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://fx-ws-testnet.gateio.ws/v4/ws/delivery/btc".to_string()));
    m
}));
        m.insert("option".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("usdt".to_string(), Value::Str("wss://ws-testnet.gate.com/v4/ws/options/usdt".to_string()));
        m.insert("btc".to_string(), Value::Str("wss://ws-testnet.gate.com/v4/ws/options/btc".to_string()));
    m
}));
    m
}));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("tradesLimit".to_string(), Value::Int(1000));
        m.insert("OHLCVLimit".to_string(), Value::Int(1000));
        m.insert("watchTradesSubscriptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        m.insert("watchTickerSubscriptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        m.insert("watchOrderBookSubscriptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        m.insert("watchTicker".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("name".to_string(), Value::Str("tickers".to_string()));
    m
}));
        m.insert("watchOrderBook".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("snapshotDelay".to_string(), Value::Int(10));
        m.insert("snapshotMaxRetries".to_string(), Value::Int(3));
        m.insert("checksum".to_string(), Value::Bool(true));
    m
}));
        m.insert("watchBalance".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("settle".to_string(), Value::Str("usdt".to_string()));
        m.insert("spot".to_string(), Value::Str("spot.balances".to_string()));
    m
}));
        m.insert("watchPositions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("fetchPositionsSnapshot".to_string(), Value::Bool(true));
        m.insert("awaitPositionsSnapshot".to_string(), Value::Bool(true));
    m
}));
    m
}));
        m.insert("exceptions".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("exact".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("1".to_string(), Value::Str("BadRequest".to_string()).clone());
        m.insert("2".to_string(), Value::Str("BadRequest".to_string()).clone());
        m.insert("4".to_string(), Value::Str("AuthenticationError".to_string()).clone());
        m.insert("6".to_string(), Value::Str("AuthenticationError".to_string()).clone());
        m.insert("11".to_string(), Value::Str("AuthenticationError".to_string()).clone());
    m
}));
        m.insert("broad".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
    m
}));
    m
}));
    m
});

    Value::Null
}

/*
 * @method
 * @name gate#createOrderWs
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-place
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-place
 * @description Create an order on the exchange
 * @param {string} symbol Unified CCXT market symbol
 * @param {string} type 'limit' or 'market' *"market" is contract only*
 * @param {string} side 'buy' or 'sell'
 * @param {float} amount the amount of currency to trade
 * @param {float} [price] *ignored in "market" orders* the price at which the order is to be fulfilled at in units of the quote currency
 * @param {object} [params]  extra parameters specific to the exchange API endpoint
 * @param {float} [params.stopPrice] The price at which a trigger order is triggered at
 * @param {string} [params.timeInForce] "GTC", "IOC", or "PO"
 * @param {float} [params.stopLossPrice] The price at which a stop loss order is triggered at
 * @param {float} [params.takeProfitPrice] The price at which a take profit order is triggered at
 * @param {string} [params.marginMode] 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used
 * @param {int} [params.iceberg] Amount to display for the iceberg order, Null or 0 for normal orders, Set to -1 to hide the order completely
 * @param {string} [params.text] User defined information
 * @param {string} [params.account] *spot and margin only* "spot", "margin" or "cross_margin"
 * @param {bool} [params.auto_borrow] *margin only* Used in margin or cross margin trading to allow automatic loan of insufficient amount if balance is not enough
 * @param {string} [params.settle] *contract only* Unified Currency Code for settle currency
 * @param {bool} [params.reduceOnly] *contract only* Indicates if this order is to reduce the size of a position
 * @param {bool} [params.close] *contract only* Set as true to close the position, with size set to 0
 * @param {bool} [params.auto_size] *contract only* Set side to close dual-mode position, close_long closes the long side, while close_short the short one, size also needs to be set to 0
 * @param {int} [params.price_type] *contract only* 0 latest deal price, 1 mark price, 2 index price
 * @param {float} [params.cost] *spot market buy only* the quote quantity that can be used as an alternative for the amount
 * @returns {object|undefined} [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;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_place".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        add_element_to_object(&mut params, &Value::Str("textIsRequired".to_string()), Value::Bool(true));
        let mut request: Value = self.parent.create_order_request(symbol.clone(), type_var.clone(), side.clone(), amount.clone(), &[price.clone(), params.clone()]);
        self.authenticate(url.clone(), messageType.clone()).await;
        let mut rawOrder: Value = self.request_private(url.clone(), request.clone(), channel.clone(), &[]).await;
        let mut order: Value = self.parse_order(rawOrder.clone(), &[market.clone()]);
        return order;

    Value::Null
}

/*
 * @method
 * @name gate#createOrdersWs
 * @description create a list of trade orders
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-batch-place
 * @param {Array} orders list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params
 * @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 create_orders_ws(&mut self, mut orders: 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 request: Value = self.parent.create_orders_request(orders.clone(), &[params.clone()]);
        let mut firstOrder: Value = get_value(&orders, &Value::Int(0));
        let mut market: Value = self.market(get_value(&firstOrder, &Value::Str("symbol".to_string())));
        if !is_equal(&get_value(&market, &Value::Str("swap".to_string())), &Value::Bool(true)) {
            panic!("{}", crate::exchange_errors::not_supported(add(&self.id, &Value::Str(" createOrdersWs is not supported for swap markets".to_string()))));
        }
        // todo add swap support
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_batch_place".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        self.authenticate(url.clone(), messageType.clone()).await;
        let mut rawOrders: Value = self.request_private(url.clone(), request.clone(), channel.clone(), &[]).await;
        return self.parse_orders(rawOrders.clone(), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#cancelAllOrdersWs
 * @description cancel all open orders
 * @see https://www.gate.com/docs/developers/futures/ws/en/#cancel-matched-open-orders
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-cancel-all-with-specified-currency-pair
 * @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
 * @param {string} [params.channel] the channel to use, defaults to spot.order_cancel_cp or futures.order_cancel_cp
 * @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::arguments_required(add(&self.id, &Value::Str(" cancelAllOrdersWs() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = ternary(is_true(&(is_equal(&symbol, &Value::Null))), Value::Null, self.market(symbol.clone()));
        let mut trigger: Value = self.safe_bool2(params.clone(), Value::Str("stop".to_string()), Value::Str("trigger".to_string()), &[]);
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_cancel_cp".to_string()));
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("cancelAllOrdersWs".to_string()), Value::Str("channel".to_string()), &[channel.clone()]); channel = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut url: Value = self.get_url_by_market(market.clone());
        params = self.omit(params.clone(), Value::List(vec![Value::Str("stop".to_string()), Value::Str("trigger".to_string())]), &[]);
        let mut type_varqueryVariable = self.handle_market_type_and_params(Value::Str("cancelAllOrders".to_string()), &[market.clone(), params.clone()]);
        let mut type_var: Value = get_value(&type_varqueryVariable, &Value::Int(0));
        let mut query: Value = get_value(&type_varqueryVariable, &Value::Int(1));
        let mut requestrequestParamsVariable = ternary(is_true(&(is_equal(&type_var, &Value::Str("spot".to_string())))), self.parent.multi_order_spot_prepare_request(&[market.clone(), trigger.clone(), query.clone()]), self.parent.prepare_request(&[market.clone(), type_var.clone(), query.clone()]));
        let mut request: Value = get_value(&requestrequestParamsVariable, &Value::Int(0));
        let mut requestParams: Value = get_value(&requestrequestParamsVariable, &Value::Int(1));
        self.authenticate(url.clone(), messageType.clone()).await;
        let __ws_arg_0 = self.extend(request.clone(), &[requestParams.clone()]);
        let mut rawOrders: Value = self.request_private(url.clone(), __ws_arg_0, channel.clone(), &[]).await;
        return self.parse_orders(rawOrders.clone(), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#cancelOrderWs
 * @description Cancels an open order
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-cancel
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-cancel
 * @param {string} id Order id
 * @param {string} symbol Unified market symbol
 * @param {object} [params] Parameters specified by the exchange api
 * @param {bool} [params.trigger] True if the order to be cancelled is a trigger order
 * @returns An [order structure]{@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(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = ternary(is_true(&(is_equal(&symbol, &Value::Null))), Value::Null, self.market(symbol.clone()));
        let mut trigger: Value = self.safe_value_n(params.clone(), Value::List(vec![Value::Str("is_stop_order".to_string()), Value::Str("stop".to_string()), Value::Str("trigger".to_string())]), &[Value::Bool(false)]);
        params = self.omit(params.clone(), Value::List(vec![Value::Str("is_stop_order".to_string()), Value::Str("stop".to_string()), Value::Str("trigger".to_string())]), &[]);
        let mut type_varqueryVariable = self.handle_market_type_and_params(Value::Str("cancelOrder".to_string()), &[market.clone(), params.clone()]);
        let mut type_var: Value = get_value(&type_varqueryVariable, &Value::Int(0));
        let mut query: Value = get_value(&type_varqueryVariable, &Value::Int(1));
        let mut requestrequestParamsVariable = ternary(is_true(&(is_equal(&type_var, &Value::Str("spot".to_string())) || is_equal(&type_var, &Value::Str("margin".to_string())))), self.parent.spot_order_prepare_request(&[market.clone(), trigger.clone(), query.clone()]), self.parent.prepare_request(&[market.clone(), type_var.clone(), query.clone()]));
        let mut request: Value = get_value(&requestrequestParamsVariable, &Value::Int(0));
        let mut requestParams: Value = get_value(&requestrequestParamsVariable, &Value::Int(1));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_cancel".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        self.authenticate(url.clone(), messageType.clone()).await;
        add_element_to_object(&mut request, &Value::Str("order_id".to_string()), to_string_val(&id));
        let __ws_arg_1 = self.extend(request.clone(), &[requestParams.clone()]);
        let mut res: Value = self.request_private(url.clone(), __ws_arg_1, channel.clone(), &[]).await;
        return self.parse_order(res.clone(), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#editOrderWs
 * @description edit a trade order, gate currently only supports the modification of the price or amount fields
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-amend
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-amend
 * @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} [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;
        }
        let mut market: Value = self.market(symbol.clone());
        let mut extendedRequest: Value = self.parent.edit_order_request(id.clone(), symbol.clone(), type_var.clone(), side.clone(), &[amount.clone(), price.clone(), params.clone()]);
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_amend".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        self.authenticate(url.clone(), messageType.clone()).await;
        let mut rawOrder: Value = self.request_private(url.clone(), extendedRequest.clone(), channel.clone(), &[]).await;
        return self.parse_order(rawOrder.clone(), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#fetchOrderWs
 * @description Retrieves information on an order
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-status
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-status
 * @param {string} id Order id
 * @param {string} symbol Unified market symbol, *required for spot and margin*
 * @param {object} [params] Parameters specified by the exchange api
 * @param {bool} [params.trigger] True if the order being fetched is a trigger order
 * @param {string} [params.marginMode] 'cross' or 'isolated' - marginMode for margin trading if not provided this.options['defaultMarginMode'] is used
 * @param {string} [params.type] 'spot', 'swap', or 'future', if not provided this.options['defaultMarginMode'] is used
 * @param {string} [params.settle] 'btc' or 'usdt' - settle currency for perpetual swap and future - market settle currency is used if symbol !== undefined, default="usdt" for swap and "btc" for future
 * @returns An [order structure]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn fetch_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(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = ternary(is_true(&(is_equal(&symbol, &Value::Null))), Value::Null, self.market(symbol.clone()));
        let mut requestrequestParamsVariable = self.parent.fetch_order_request(id.clone(), &[symbol.clone(), params.clone()]);
        let mut request: Value = get_value(&requestrequestParamsVariable, &Value::Int(0));
        let mut requestParams: Value = get_value(&requestrequestParamsVariable, &Value::Int(1));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_status".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        self.authenticate(url.clone(), messageType.clone()).await;
        let __ws_arg_2 = self.extend(request.clone(), &[requestParams.clone()]);
        let mut rawOrder: Value = self.request_private(url.clone(), __ws_arg_2, channel.clone(), &[]).await;
        return self.parse_order(rawOrder.clone(), &[market.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#fetchOpenOrdersWs
 * @description fetch all unfilled currently open orders
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-list
 * @param {string} symbol unified market symbol
 * @param {int} [since] the earliest time in ms to fetch open orders for
 * @param {int} [limit] the maximum number of  open orders structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn fetch_open_orders_ws(&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
}));
        return self.fetch_orders_by_status_ws(Value::Str("open".to_string()), &[symbol.clone(), since.clone(), limit.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name gate#fetchClosedOrdersWs
 * @description fetches information on multiple closed orders made by the user
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-list
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {Order[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn fetch_closed_orders_ws(&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
}));
        return self.fetch_orders_by_status_ws(Value::Str("finished".to_string()), &[symbol.clone(), since.clone(), limit.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name gate#fetchOrdersWs
 * @see https://www.gate.io/docs/developers/futures/ws/en/#order-list
 * @description fetches information on multiple orders made by the user by status
 * @param {string} status requested order status
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int|undefined} [since] the earliest time in ms to fetch orders for
 * @param {int|undefined} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {int} [params.orderId] order id to begin at
 * @param {int} [params.limit] the maximum number of order structures to retrieve
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn fetch_orders_by_status_ws(&mut self, mut status: Value, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).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()));
            if !is_equal(&get_value(&market, &Value::Str("swap".to_string())), &Value::Bool(true)) {
                panic!("{}", crate::exchange_errors::not_supported(add(&self.id, &Value::Str(" fetchOrdersByStatusWs is only supported by swap markets. Use rest API for other markets".to_string()))));
            }
        }
        let mut requestrequestParamsVariable = self.parent.prepare_orders_by_status_request(status.clone(), &[symbol.clone(), since.clone(), limit.clone(), params.clone()]);
        let mut request: Value = get_value(&requestrequestParamsVariable, &Value::Int(0));
        let mut requestParams: Value = get_value(&requestrequestParamsVariable, &Value::Int(1));
        let mut newRequest: Value = self.omit(request.clone(), Value::List(vec![Value::Str("settle".to_string())]), &[]);
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".order_list".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        self.authenticate(url.clone(), messageType.clone()).await;
        let __ws_arg_3 = self.extend(newRequest.clone(), &[requestParams.clone()]);
        let mut rawOrders: Value = self.request_private(url.clone(), __ws_arg_3, channel.clone(), &[]).await;
        let mut orders: Value = self.parse_orders(rawOrders.clone(), &[market.clone()]);
        return self.filter_by_symbol_since_limit(orders.clone(), &[symbol.clone(), since.clone(), limit.clone()]);

    Value::Null
}

/*
 * @method
 * @name gate#watchOrderBook
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#order-book-channel
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#order-book-v2-api
 * @see https://www.gate.com/docs/developers/futures/ws/en/#order-book-api
 * @see https://www.gate.com/docs/developers/futures/ws/en/#order-book-v2-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#order-book-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#order-book-channel
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order book structure]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn watch_order_book(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut limit = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut marketId: Value = get_value(&market, &Value::Str("id".to_string()));
        let mut url: Value = self.get_url_by_market(market.clone());
        let mut isEuUrl: bool = is_greater_than_or_equal(&get_index_of(&url, &Value::Str("gateeu".to_string())), &Value::Int(0));
        let mut isNonEuSpot: bool = is_true(&(is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)))) && !is_true(&isEuUrl);
        let mut intervalDefault: Value = ternary(is_true(&isNonEuSpot), Value::Str("50".to_string()), Value::Str("100ms".to_string()));
        let mut intervalqueryVariable = self.handle_option_and_params(params.clone(), Value::Str("watchOrderBook".to_string()), Value::Str("interval".to_string()), &[intervalDefault.clone()]);
        let mut interval: Value = get_value(&intervalqueryVariable, &Value::Int(0));
        let mut query: Value = get_value(&intervalqueryVariable, &Value::Int(1));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut messageHash: Value = add(&add(&Value::Str("orderbook".to_string()), &Value::Str(":".to_string())), &symbol);
        if is_equal(&limit, &Value::Null) {
            limit = ternary(is_true(&(is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)))), Value::Int(50), Value::Int(100)); // max 100 atm
            if is_equal(&messageType, &Value::Str("options".to_string())) {
                limit = Value::Int(50); // max 50 for options
            }
        }
        let mut payload: Value = Value::List(vec![]);
        let mut channel: Value = Value::Str("".to_string());
        if is_true(&isEuUrl) {
            channel = Value::Str("spot.order_book_update".to_string());
            payload = Value::List(vec![marketId.clone(), interval.clone()]);
        }  else if is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)) {
            channel = Value::Str("spot.obu".to_string());
            let mut finalInterval: Value = interval.clone();
            if is_equal(&limit, &Value::Int(400)) {
                finalInterval = Value::Str("400".to_string());
            }
            payload = Value::List(vec![add(&add(&add(&Value::Str("ob.".to_string()), &get_value(&market, &Value::Str("id".to_string()))), &Value::Str(".".to_string())), &finalInterval)]);
        }  else {
            channel = add(&messageType, &Value::Str(".order_book_update".to_string()));
            payload = Value::List(vec![marketId.clone(), interval.clone()]);
            let mut stringLimit: Value = to_string_val(&limit);
            append_to_array(&mut payload, stringLimit.clone());
        }
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("symbol".to_string(), symbol.clone());
                m.insert("limit".to_string(), limit.clone());
            m
        });
        let mut orderbook: Value = self.subscribe_public(url.clone(), messageHash.clone(), payload.clone(), channel.clone(), &[query.clone(), subscription.clone()]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name gate#unWatchOrderBook
 * @description unWatches 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 {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn un_watch_order_book(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        let mut url: Value = self.get_url_by_market(market.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut marketId: Value = get_value(&market, &Value::Str("id".to_string()));
        let mut isEuUrl: bool = is_greater_than_or_equal(&get_index_of(&url, &Value::Str("gateeu".to_string())), &Value::Int(0));
        let mut isNonEuSpot: bool = is_true(&(is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)))) && !is_true(&isEuUrl);
        let mut intervalDefault: Value = ternary(is_true(&isNonEuSpot), Value::Str("50".to_string()), Value::Str("100ms".to_string()));
        let mut interval: Value = intervalDefault.clone();
        { let __destr_tmp = self.handle_option_and_params(params.clone(), Value::Str("watchOrderBook".to_string()), Value::Str("interval".to_string()), &[interval.clone()]); interval = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut limit: Value = self.safe_integer_k(params.clone(), "limit", &[]);
        if is_equal(&limit, &Value::Null) {
            limit = ternary(is_true(&(is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)))), Value::Int(50), Value::Int(100)); // max 100 atm
            if is_equal(&messageType, &Value::Str("options".to_string())) {
                limit = Value::Int(50); // max 50 for options
            }
        }
        let mut payload: Value = Value::List(vec![]);
        let mut channel: Value = Value::Str("".to_string());
        if is_true(&isEuUrl) {
            channel = Value::Str("spot.order_book_update".to_string());
            payload = Value::List(vec![marketId.clone(), interval.clone()]);
        }  else if is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)) {
            channel = Value::Str("spot.obu".to_string());
            let mut finalInterval: Value = interval.clone();
            if is_equal(&limit, &Value::Int(400)) {
                finalInterval = Value::Str("400".to_string());
            }
            payload = Value::List(vec![add(&add(&add(&Value::Str("ob.".to_string()), &get_value(&market, &Value::Str("id".to_string()))), &Value::Str(".".to_string())), &finalInterval)]);
        }  else {
            channel = add(&messageType, &Value::Str(".order_book_update".to_string()));
            payload = Value::List(vec![marketId.clone(), interval.clone()]);
            let mut stringLimit: Value = to_string_val(&limit);
            append_to_array(&mut payload, stringLimit.clone());
        }
        let mut subMessageHash: Value = add(&add(&Value::Str("orderbook".to_string()), &Value::Str(":".to_string())), &symbol);
        let mut messageHash: Value = add(&add(&Value::Str("unsubscribe:orderbook".to_string()), &Value::Str(":".to_string())), &symbol);
        return self.un_subscribe_public_multiple(url.clone(), Value::Str("orderbook".to_string()), Value::List(vec![symbol.clone()]), Value::List(vec![messageHash.clone()]), Value::List(vec![subMessageHash.clone()]), payload.clone(), channel.clone(), &[params.clone()]).await;

    Value::Null
}

    pub fn handle_order_book_subscription(&mut self, mut client: Value, mut message: Value, mut subscription: Value) {
        let mut symbol: Value = self.safe_string_k(subscription.clone(), "symbol", &[]);
        let mut limit: Value = self.safe_integer_k(subscription.clone(), "limit", &[]);
        if !is_equal(&symbol, &Value::Null) {
            { 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); };
        }
}

    pub fn handle_new_spot_order_book(&mut self, mut client: Value, mut message: Value) {
        //
        //   {
        //      "channel":"spot.obu",
        //      "result":{
        //         "t":1777275365213,
        //         "full":true,
        //         "s":"ob.XRP_USDT.50",
        //         "u":9649549324,
        //         "b":[
        //            [
        //               "1.414",
        //               "1397.899"
        //            ]
        //         ],
        //         "a":[
        //            [
        //               "1.415",
        //               "17344.926"
        //            ]
        //         ]
        //      },
        //      "time_ms":1777275365214,
        //      "event":"update"
        //   }
        let mut result: Value = self.safe_dict_k(message.clone(), "result", &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut full: Value = self.safe_bool_k(result.clone(), "full", &[Value::Bool(false)]);
        let mut marketIdWithPrefix: Value = self.safe_string_k(result.clone(), "s", &[]);
        if is_equal(&marketIdWithPrefix, &Value::Null) {
            return;
        }
        let mut marketIdParts: Value = split(&marketIdWithPrefix, &Value::Str(".".to_string()));
        let mut marketId: Value = self.safe_string(marketIdParts.clone(), Value::Int(1), &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[Value::Null, Value::Str("_".to_string()), Value::Str("spot".to_string())]);
        let mut messageHash: Value = add(&Value::Str("orderbook:".to_string()), &symbol);
        if is_equal(&self.safe_value(self.orderbooks.clone(), symbol.clone(), &[]), &Value::Null) {
            { let __be_tmp = self.order_book(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}), Value::Int(1000)]); add_element_to_object(&mut self.orderbooks, &symbol, __be_tmp); };
        }
        let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
        if is_equal(&full, &Value::Bool(true)) {
            let mut snapshopt: Value = self.parse_order_book(result.clone(), symbol.clone(), &[Value::Null, Value::Str("b".to_string()), Value::Str("a".to_string())]);
            add_element_to_object(&mut snapshopt, &Value::Str("nonce".to_string()), self.safe_integer_k(result.clone(), "u", &[]));
            add_element_to_object(&mut snapshopt, &Value::Str("timestamp".to_string()), self.safe_integer_k(result.clone(), "t", &[]));
            orderbook.reset(snapshopt.clone());
        }  else {
            let mut nonce: Value = self.safe_integer_k(orderbook.clone(), "nonce", &[]);
            let mut deltaStart: Value = self.safe_integer_k(result.clone(), "u", &[]);
            if is_true(&(is_equal(&nonce, &Value::Null))) || is_true(&(is_true(&(!is_equal(&deltaStart, &Value::Null))) && is_true(&(is_greater_than_or_equal(&nonce, &deltaStart))))) {
                return;
            }
            self.handle_delta(orderbook.clone(), result.clone());
        }
        client.resolve(&[orderbook.clone(), messageHash.clone()]);
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) {
        //
        // spot
        //
        //     {
        //         "time": 1650189272,
        //         "channel": "spot.order_book_update",
        //         "event": "update",
        //         "result": {
        //             "t": 1650189272515,
        //             "e": "depthUpdate",
        //             "E": 1650189272,
        //             "s": "GMT_USDT",
        //             "U": 140595902,
        //             "u": 140595902,
        //             "b": [
        //                 [ '2.51518', "228.119" ],
        //                 [ '2.50587', "1510.11" ],
        //                 [ '2.49944', "67.6" ],
        //             ],
        //             "a": [
        //                 [ '2.5182', "4.199" ],
        //                 [ "2.51926", "1874" ],
        //                 [ '2.53528', "96.529" ],
        //             ]
        //         }
        //     }
        //
        // swap
        //
        //     {
        //         "id": null,
        //         "time": 1650188898,
        //         "channel": "futures.order_book_update",
        //         "event": "update",
        //         "error": null,
        //         "result": {
        //             "t": 1650188898938,
        //             "s": "GMT_USDT",
        //             "U": 1577718307,
        //             "u": 1577719254,
        //             "b": [
        //                 { p: "2.5178", s: 0 },
        //                 { p: "2.5179", s: 0 },
        //                 { p: "2.518", s: 0 },
        //             ],
        //             "a": [
        //                 { p: "2.52", s: 0 },
        //                 { p: "2.5201", s: 0 },
        //                 { p: "2.5203", s: 0 },
        //             ]
        //         }
        //     }
        //
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        if is_equal(&channel, &Value::Str("spot.obu".to_string())) {
            self.handle_new_spot_order_book(client.clone(), message.clone());
            return;
        }
        let mut channelParts: Value = split(&channel, &Value::Str(".".to_string()));
        let mut rawMarketType: Value = self.safe_string(channelParts.clone(), Value::Int(0), &[]);
        let mut isSpot: bool = is_equal(&rawMarketType, &Value::Str("spot".to_string()));
        let mut marketType: Value = ternary(is_true(&isSpot), Value::Str("spot".to_string()), Value::Str("contract".to_string()));
        let mut delta: Value = self.safe_value_k(message.clone(), "result", &[]);
        let mut deltaStart: Value = self.safe_integer_k(delta.clone(), "U", &[]);
        let mut deltaEnd: Value = self.safe_integer_k(delta.clone(), "u", &[]);
        let mut marketId: Value = self.safe_string_k(delta.clone(), "s", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[Value::Null, Value::Str("_".to_string()), marketType.clone()]);
        let mut messageHash: Value = add(&Value::Str("orderbook:".to_string()), &symbol);
        let mut storedOrderBook: Value = self.safe_value(self.orderbooks.clone(), symbol.clone(), &[self.order_book(&[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })])]);
        let mut nonce: Value = self.safe_integer_k(storedOrderBook.clone(), "nonce", &[]);
        if is_equal(&nonce, &Value::Null) {
            let mut cacheLength: Value = Value::Int(0);
            if !is_equal(&storedOrderBook, &Value::Null) {
                cacheLength = get_array_length(&get_value(&storedOrderBook, &Value::Str("cache".to_string())));
            }
            let mut snapshotDelay: Value = self.handle_option(Value::Str("watchOrderBook".to_string()), Value::Str("snapshotDelay".to_string()), &[Value::Int(10)]);
            let mut waitAmount: Value = ternary(is_true(&isSpot), snapshotDelay.clone(), Value::Int(0));
            if is_equal(&cacheLength, &waitAmount) {
                // max limit is 100
                let mut subscription: Value = get_value(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash);
                let mut limit: Value = self.safe_integer_k(subscription.clone(), "limit", &[]);
                self.spawn(&[Value::Str("load_order_book".to_string()).clone(), client.clone(), messageHash.clone(), symbol.clone(), limit.clone(), Value::Map({
                    let mut m = indexmap::IndexMap::new();
                    m
                })]); // needed for c#, number of args needs to match
            }
            crate::runtime::append_to_object_array(&mut storedOrderBook, &Value::Str("cache".to_string()), delta.clone());
            return;
        }  else if is_true(&(!is_equal(&deltaEnd, &Value::Null))) && is_true(&(is_greater_than_or_equal(&nonce, &deltaEnd))) {
            return;
        }  else if is_true(&(!is_equal(&deltaStart, &Value::Null))) && is_true(&(is_greater_than_or_equal(&nonce, &subtract(&deltaStart, &Value::Int(1))))) {
            self.handle_delta(storedOrderBook.clone(), delta.clone());
        }  else {
            remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash);
            remove(&mut self.orderbooks, &symbol);
            let mut checksum: Value = self.handle_option(Value::Str("watchOrderBook".to_string()), Value::Str("checksum".to_string()), &[Value::Bool(true)]);
            if is_equal(&checksum, &Value::Bool(true)) {
                let mut error = Value::from(crate::exchange_errors::checksum_error(add(&add(&self.id, &Value::Str(" ".to_string())), &self.orderbook_checksum_message(symbol.clone()))));
                client.reject(&[Value::from(error.clone()), messageHash.clone()]);
            }
        }
        client.resolve(&[storedOrderBook.clone(), messageHash.clone()]);
}

    pub fn get_cache_index(&self, mut orderBook: Value, mut cache: Value) -> Value {
        let mut nonce: Value = self.safe_integer_k(orderBook.clone(), "nonce", &[]);
        let mut firstDelta: Value = get_value(&cache, &Value::Int(0));
        let mut firstDeltaStart: Value = self.safe_integer_k(firstDelta.clone(), "U", &[]);
        if is_true(&(!is_equal(&nonce, &Value::Null))) && is_true(&(!is_equal(&firstDeltaStart, &Value::Null))) && is_true(&(is_less_than(&nonce, &firstDeltaStart))) {
            return negate(&Value::Int(1));
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_332: bool = true;
            while { if !__for_first_332 { i = add(&i, &Value::Int(1)); } __for_first_332 = false; is_less_than(&i, &get_array_length(&cache)) } {
            let mut delta: Value = get_value(&cache, &i);
            let mut delta: Value = get_value(&cache, &i);
            let mut deltaStart: Value = self.safe_integer_k(delta.clone(), "U", &[]);
            let mut deltaEnd: Value = self.safe_integer_k(delta.clone(), "u", &[]);
            if is_true(&(!is_equal(&nonce, &Value::Null))) && is_true(&(!is_equal(&deltaStart, &Value::Null))) && is_true(&(!is_equal(&deltaEnd, &Value::Null))) && is_true(&(is_greater_than_or_equal(&nonce, &subtract(&deltaStart, &Value::Int(1))))) && is_true(&(is_less_than(&nonce, &deltaEnd))) {
                return i;
            }
        }
        }
        return get_array_length(&cache);

    Value::Null
}

    pub fn handle_bid_asks(&self, mut bookSide: Value, mut bidAsks: Value) {
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_333: bool = true;
            while { if !__for_first_333 { i = add(&i, &Value::Int(1)); } __for_first_333 = false; is_less_than(&i, &get_array_length(&bidAsks)) } {
            let mut bidAsk: Value = get_value(&bidAsks, &i);
            let mut bidAsk: Value = get_value(&bidAsks, &i);
            if is_true(&Value::Bool(is_array(&bidAsk))) {
                bookSide.store_array(self.parse_order_book_bid_ask(bidAsk.clone(), &[]));
            }  else {
                let mut price: Value = self.safe_float_k(bidAsk.clone(), "p", &[]);
                let mut amount: Value = self.safe_float_k(bidAsk.clone(), "s", &[]);
                bookSide.store(price.clone(), amount.clone());
            }
        }
        }
}

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

/*
 * @method
 * @name gate#watchTicker
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#tickers-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#tickers-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#tickers-api
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
 * @param {string} symbol unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_ticker(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        add_element_to_object(&mut params, &Value::Str("callerMethodName".to_string()), Value::Str("watchTicker".to_string()));
        let mut result: Value = self.watch_tickers(&[Value::List(vec![symbol.clone()]), params.clone()]).await;
        return self.safe_value(result.clone(), symbol.clone(), &[]);

    Value::Null
}

/*
 * @method
 * @name gate#watchTickers
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#tickers-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#tickers-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#tickers-api
 * @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
 * @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
}));
        let __ws_arg_4 = self.extend(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("method".to_string(), Value::Str("tickers".to_string()));
    m
}), &[params.clone()]);
        return self.subscribe_watch_tickers_and_bids_asks(&[symbols.clone(), Value::Str("watchTickers".to_string()), __ws_arg_4]).await;

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) {
        //
        //    {
        //        "time": 1649326221,
        //        "channel": "spot.tickers",
        //        "event": "update",
        //        "result": {
        //          "currency_pair": "BTC_USDT",
        //          "last": "43444.82",
        //          "lowest_ask": "43444.82",
        //          "highest_bid": "43444.81",
        //          "change_percentage": "-4.0036",
        //          "base_volume": "5182.5412425462",
        //          "quote_volume": "227267634.93123952",
        //          "high_24h": "47698",
        //          "low_24h": "42721.03"
        //        }
        //    }
        //
        self.handle_ticker_and_bid_ask(Value::Str("ticker".to_string()), client.clone(), message.clone());
}

/*
 * @method
 * @name gate#watchBidsAsks
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#best-bid-or-ask-price
 * @see https://www.gate.io/docs/developers/apiv4/ws/en/#order-book-channel
 * @see https://www.gate.com/docs/developers/options/ws/en/#best-bid-or-ask-price
 * @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
}));
        let __ws_arg_5 = self.extend(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("method".to_string(), Value::Str("book_ticker".to_string()));
    m
}), &[params.clone()]);
        return self.subscribe_watch_tickers_and_bids_asks(&[symbols.clone(), Value::Str("watchBidsAsks".to_string()), __ws_arg_5]).await;

    Value::Null
}

    pub fn handle_bid_ask(&mut self, mut client: Value, mut message: Value) {
        //
        //    {
        //        "time": 1671363004,
        //        "time_ms": 1671363004235,
        //        "channel": "spot.book_ticker",
        //        "event": "update",
        //        "result": {
        //          "t": 1671363004228,
        //          "u": 9793320464,
        //          "s": "BTC_USDT",
        //          "b": "16716.8",
        //          "B": "0.0134",
        //          "a": "16716.9",
        //          "A": "0.0353"
        //        }
        //    }
        //
        self.handle_ticker_and_bid_ask(Value::Str("bidask".to_string()), client.clone(), message.clone());
}

    pub async fn subscribe_watch_tickers_and_bids_asks(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = get_arg(optional_args, 0, Value::Null);
        let mut callerMethodName = 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 __destr_tmp = self.handle_param_string(params.clone(), Value::Str("callerMethodName".to_string()), &[callerMethodName.clone()]); callerMethodName = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        let mut market: Value = self.market(get_value(&symbols, &Value::Int(0)));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut marketIds: Value = self.market_ids(&[symbols.clone()]);
        let mut channelName: Value = Value::Null;
        { let __destr_tmp = self.handle_option_and_params(params.clone(), callerMethodName.clone(), Value::Str("method".to_string()), &[]); channelName = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut url: Value = self.get_url_by_market(market.clone());
        let mut channel: Value = add(&add(&messageType, &Value::Str(".".to_string())), &channelName);
        if is_equal(&callerMethodName, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" requires a callerMethodName argument".to_string()))));
        }
        let mut isWatchTickers: bool = is_greater_than_or_equal(&get_index_of(&callerMethodName, &Value::Str("watchTicker".to_string())), &Value::Int(0));
        let mut prefix: Value = ternary(is_true(&isWatchTickers), Value::Str("ticker".to_string()), Value::Str("bidask".to_string()));
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_334: bool = true;
            while { if !__for_first_334 { i = add(&i, &Value::Int(1)); } __for_first_334 = 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(&prefix, &Value::Str(":".to_string())), &symbol));
        }
        }
        let mut tickerOrBidAsk: Value = self.subscribe_public_multiple(url.clone(), messageHashes.clone(), marketIds.clone(), channel.clone(), &[params.clone()]).await;
        if is_true(&self.newUpdates) {
            let mut items: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            });
            add_element_to_object(&mut items, &get_value(&tickerOrBidAsk, &Value::Str("symbol".to_string())), tickerOrBidAsk.clone());
            return items;
        }
        let mut result: Value = ternary(is_true(&isWatchTickers), self.tickers.clone(), self.bidsasks.clone());
        return self.filter_by_array(result.clone(), Value::Str("symbol".to_string()), &[symbols.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_ticker_and_bid_ask(&mut self, mut objectName: Value, mut client: Value, mut message: Value) {
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        let mut parts: Value = split(&channel, &Value::Str(".".to_string()));
        let mut rawMarketType: Value = self.safe_string(parts.clone(), Value::Int(0), &[]);
        let mut marketType: Value = ternary(is_true(&(is_equal(&rawMarketType, &Value::Str("futures".to_string())))), Value::Str("contract".to_string()), Value::Str("spot".to_string()));
        let mut result: Value = self.safe_value_k(message.clone(), "result", &[]);
        let mut results: Value = Value::List(vec![]);
        if is_true(&Value::Bool(is_array(&result))) {
            results = self.safe_list_k(message.clone(), "result", &[Value::List(vec![])]);
        }  else {
            let mut rawTicker: Value = self.safe_dict_k(message.clone(), "result", &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            results = Value::List(vec![rawTicker.clone()]);
        }
        let mut isTicker: bool = is_equal(&objectName, &Value::Str("ticker".to_string())); // whether ticker or bid-ask
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_335: bool = true;
            while { if !__for_first_335 { i = add(&i, &Value::Int(1)); } __for_first_335 = false; is_less_than(&i, &get_array_length(&results)) } {
            let mut rawTicker: Value = get_value(&results, &i);
            let mut rawTicker: Value = get_value(&results, &i);
            let mut marketId: Value = self.safe_string_k(rawTicker.clone(), "s", &[]);
            let mut market: Value = self.safe_market(&[marketId.clone(), Value::Null, Value::Str("_".to_string()), marketType.clone()]);
            let mut parsedItem: Value = self.parse_ticker(rawTicker.clone(), &[market.clone()]);
            let mut symbol: Value = get_value(&parsedItem, &Value::Str("symbol".to_string()));
            if is_true(&isTicker) {
                if !is_equal(&symbol, &Value::Null) {
                    add_element_to_object(&mut self.tickers, &symbol, parsedItem.clone());
                }
            }  else {
                if !is_equal(&symbol, &Value::Null) {
                    add_element_to_object(&mut self.bidsasks, &symbol, parsedItem.clone());
                }
            }
            let mut messageHash: Value = add(&add(&objectName, &Value::Str(":".to_string())), &symbol);
            client.resolve(&[parsedItem.clone(), messageHash.clone()]);
        }
        }
}

/*
 * @method
 * @name gate#watchTrades
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#public-trades-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#trades-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#trades-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#public-contract-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 gate#watchTradesForSymbols
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#public-trades-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#trades-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#trades-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#public-contract-trades-channel
 * @description get the list of most recent trades for a particular symbol
 * @param {string[]} symbols 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_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()]);
        let mut marketIds: Value = self.market_ids(&[symbols.clone()]);
        let mut market: Value = self.market(get_value(&symbols, &Value::Int(0)));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".trades".to_string()));
        let mut messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_336: bool = true;
            while { if !__for_first_336 { i = add(&i, &Value::Int(1)); } __for_first_336 = 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("trades:".to_string()), &symbol));
        }
        }
        let mut url: Value = self.get_url_by_market(market.clone());
        let mut trades: Value = self.subscribe_public_multiple(url.clone(), messageHashes.clone(), marketIds.clone(), channel.clone(), &[params.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 gate#unWatchTradesForSymbols
 * @description get the list of most recent trades for a particular symbol
 * @param {string[]} symbols unified symbol of the market to fetch trades for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn un_watch_trades_for_symbols(&mut self, mut symbols: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut marketIds: Value = self.market_ids(&[symbols.clone()]);
        let mut market: Value = self.market(get_value(&symbols, &Value::Int(0)));
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".trades".to_string()));
        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_337: bool = true;
            while { if !__for_first_337 { i = add(&i, &Value::Int(1)); } __for_first_337 = 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(&Value::Str("trades:".to_string()), &symbol));
            append_to_array(&mut messageHashes, add(&Value::Str("unsubscribe:trades:".to_string()), &symbol));
        }
        }
        let mut url: Value = self.get_url_by_market(market.clone());
        return self.un_subscribe_public_multiple(url.clone(), Value::Str("trades".to_string()), symbols.clone(), messageHashes.clone(), subMessageHashes.clone(), marketIds.clone(), channel.clone(), &[params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name gate#unWatchTrades
 * @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 {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) {
        //
        // {
        //     "time": 1648725035,
        //     "channel": "spot.trades",
        //     "event": "update",
        //     "result": [{
        //       "id": 3130257995,
        //       "create_time": 1648725035,
        //       "create_time_ms": "1648725035923.0",
        //       "side": "sell",
        //       "currency_pair": "LTC_USDT",
        //       "amount": "0.0116",
        //       "price": "130.11"
        //     }]
        // }
        //
        let mut result: Value = self.safe_value_k(message.clone(), "result", &[]);
        if !is_true(&Value::Bool(is_array(&result))) {
            result = Value::List(vec![result.clone()]);
        }
        let mut parsedTrades: Value = self.parse_trades(result.clone(), &[]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_338: bool = true;
            while { if !__for_first_338 { i = add(&i, &Value::Int(1)); } __for_first_338 = false; is_less_than(&i, &get_array_length(&parsedTrades)) } {
            let mut trade: Value = get_value(&parsedTrades, &i);
            let mut trade: Value = get_value(&parsedTrades, &i);
            let mut symbol: Value = get_value(&trade, &Value::Str("symbol".to_string()));
            let mut cachedTrades: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
            if is_equal(&cachedTrades, &Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
                cachedTrades = ArrayCache::new(limit.clone());
                if !is_equal(&symbol, &Value::Null) {
                    add_element_to_object(&mut self.trades, &symbol, cachedTrades.clone());
                }
            }
            cachedTrades.append(trade.clone());
            let mut hash: Value = add(&Value::Str("trades:".to_string()), &symbol);
            client.resolve(&[cachedTrades.clone(), hash.clone()]);
        }
        }
}

/*
 * @method
 * @name gate#watchOHLCV
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#candlesticks-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#candlesticks-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#candlesticks-api
 * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market
 * @param {string} symbol unified symbol of the market to fetch OHLCV data for
 * @param {string} timeframe the length of time each candle represents
 * @param {int} [since] timestamp in ms of the earliest candle to fetch
 * @param {int} [limit] the maximum amount of candles to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
 */
    pub async fn watch_ohlcv(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut timeframe = get_arg(optional_args, 0, Value::Str("1m".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;
        }
        // todo add options support
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut marketId: Value = get_value(&market, &Value::Str("id".to_string()));
        let mut interval: Value = self.safe_string(self.timeframes.clone(), timeframe.clone(), &[timeframe.clone()]);
        let mut messageType: Value = self.get_type_by_market(market.clone());
        let mut channel: Value = add(&messageType, &Value::Str(".candlesticks".to_string()));
        let mut messageHash: Value = add(&add(&add(&Value::Str("candles:".to_string()), &interval), &Value::Str(":".to_string())), &get_value(&market, &Value::Str("symbol".to_string())));
        let mut url: Value = self.get_url_by_market(market.clone());
        let mut payload: Value = Value::List(vec![interval.clone(), marketId.clone()]);
        let mut ohlcv: Value = self.subscribe_public(url.clone(), messageHash.clone(), payload.clone(), channel.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
}

    pub fn handle_ohlcv(&mut self, mut client: Value, mut message: Value) {
        //
        // {
        //     "time": 1606292600,
        //     "channel": "spot.candlesticks",
        //     "event": "update",
        //     "result": {
        //       "t": "1606292580", // total volume
        //       "v": "2362.32035", // volume
        //       "c": "19128.1", // close
        //       "h": "19128.1", // high
        //       "l": "19128.1", // low
        //       "o": "19128.1", // open
        //       "n": "1m_BTC_USDT" // sub
        //     }
        //   }
        //
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        let mut channelParts: Value = split(&channel, &Value::Str(".".to_string()));
        let mut rawMarketType: Value = self.safe_string(channelParts.clone(), Value::Int(0), &[]);
        let mut marketType: Value = ternary(is_true(&(is_equal(&rawMarketType, &Value::Str("spot".to_string())))), Value::Str("spot".to_string()), Value::Str("contract".to_string()));
        let mut result: Value = self.safe_value_k(message.clone(), "result", &[]);
        if !is_true(&Value::Bool(is_array(&result))) {
            result = Value::List(vec![result.clone()]);
        }
        let mut marketIds: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_339: bool = true;
            while { if !__for_first_339 { i = add(&i, &Value::Int(1)); } __for_first_339 = false; is_less_than(&i, &get_array_length(&result)) } {
            let mut ohlcv: Value = get_value(&result, &i);
            let mut ohlcv: Value = get_value(&result, &i);
            let mut subscription: Value = self.safe_string_k(ohlcv.clone(), "n", &[Value::Str("".to_string())]);
            let mut parts: Value = split(&subscription, &Value::Str("_".to_string()));
            let mut timeframeId: Value = self.safe_string(parts.clone(), Value::Int(0), &[]);
            let mut timeframe: Value = self.find_timeframe(timeframeId.clone(), &[]);
            let mut prefix: Value = add(&timeframe, &Value::Str("_".to_string()));
            let mut marketId: Value = replace_str(&subscription, &prefix, &Value::Str("".to_string()));
            let mut symbol: Value = self.safe_symbol(marketId.clone(), &[Value::Null, Value::Str("_".to_string()), marketType.clone()]);
            let mut parsed: Value = self.parse_ohlcv(ohlcv.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());
            add_element_to_object(&mut marketIds, &symbol, timeframe.clone());
        }
        }
        let mut keys: Value = object_keys(&marketIds);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_340: bool = true;
            while { if !__for_first_340 { i = add(&i, &Value::Int(1)); } __for_first_340 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut symbol: Value = get_value(&keys, &i);
            let mut symbol: Value = get_value(&keys, &i);
            let mut timeframe: Value = get_value(&marketIds, &symbol);
            let mut timeframe: Value = get_value(&marketIds, &symbol);
            let mut interval: Value = self.find_timeframe(timeframe.clone(), &[]);
            let mut hash: Value = add(&add(&add(&add(&Value::Str("candles".to_string()), &Value::Str(":".to_string())), &interval), &Value::Str(":".to_string())), &symbol);
            let mut stored: Value = self.safe_value(get_value(&self.ohlcvs, &symbol), interval.clone(), &[]);
            client.resolve(&[stored.clone(), hash.clone()]);
        }
        }
}

/*
 * @method
 * @name gate#watchMyTrades
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#user-trades-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#user-trades-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#user-trades-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#user-trades-channel
 * @description watches information on multiple trades made by the user
 * @param {string} symbol unified market symbol of the market trades were made in
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trade structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=trade-structure}
 */
    pub async fn watch_my_trades(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut subType: Value = Value::Null;
        let mut type_var: Value = Value::Null;
        let mut marketId: Value = add(&Value::Str("!".to_string()), &Value::Str("all".to_string()));
        let mut market: Value = Value::Null;
        if !is_equal(&symbol, &Value::Null) {
            market = self.market(symbol.clone());
            marketId = get_value(&market, &Value::Str("id".to_string()));
        }
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchMyTrades".to_string()), &[market.clone(), params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        { let __destr_tmp = self.handle_sub_type_and_params(Value::Str("watchMyTrades".to_string()), &[market.clone(), params.clone()]); subType = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut messageType: Value = self.get_supported_mapping(type_var.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("spot".to_string(), Value::Str("spot".to_string()));
                m.insert("margin".to_string(), Value::Str("spot".to_string()));
                m.insert("future".to_string(), Value::Str("futures".to_string()));
                m.insert("swap".to_string(), Value::Str("futures".to_string()));
                m.insert("option".to_string(), Value::Str("options".to_string()));
            m
        })]);
        let mut channel: Value = add(&messageType, &Value::Str(".usertrades".to_string()));
        let mut messageHash: Value = Value::Str("myTrades".to_string());
        if !is_equal(&symbol, &Value::Null) {
            messageHash = add(&messageHash, &add(&Value::Str(":".to_string()), &symbol));
        }
        let mut isInverse: Value = Value::Bool(is_equal(&subType, &Value::Str("inverse".to_string())));
        let mut url: Value = self.get_url_by_market_type(type_var.clone(), &[isInverse.clone()]);
        let mut payload: Value = Value::List(vec![marketId.clone()]);
        // uid required for non spot markets
        let mut requiresUid: Value = Value::Bool(!is_equal(&type_var, &Value::Str("spot".to_string())));
        let mut trades: Value = self.subscribe_private(url.clone(), messageHash.clone(), payload.clone(), channel.clone(), params.clone(), &[requiresUid.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_symbol_since_limit(trades.clone(), &[symbol.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_my_trades(&mut self, mut client: Value, mut message: Value) {
        //
        // {
        //     "time": 1543205083,
        //     "channel": "futures.usertrades",
        //     "event": "update",
        //     "error": null,
        //     "result": [
        //       {
        //         "id": "3335259",
        //         "create_time": 1628736848,
        //         "create_time_ms": 1628736848321,
        //         "contract": "BTC_USD",
        //         "order_id": "4872460",
        //         "size": 1,
        //         "price": "40000.4",
        //         "role": "maker"
        //       }
        //     ]
        // }
        //
        let mut result: Value = self.safe_value_k(message.clone(), "result", &[Value::List(vec![])]);
        let mut tradesLength: Value = get_array_length(&result);
        if is_equal(&tradesLength, &Value::Int(0)) {
            return;
        }
        let mut cachedTrades: Value = self.myTrades.clone();
        if is_equal(&cachedTrades, &Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            cachedTrades = ArrayCacheBySymbolById::new(limit.clone());
            self.myTrades = cachedTrades.clone();
        }
        let mut parsed: Value = self.parse_trades(result.clone(), &[]);
        let mut marketIds: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_341: bool = true;
            while { if !__for_first_341 { i = add(&i, &Value::Int(1)); } __for_first_341 = false; is_less_than(&i, &get_array_length(&parsed)) } {
            let mut trade: Value = get_value(&parsed, &i);
            let mut trade: Value = get_value(&parsed, &i);
            cachedTrades.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 marketIds, &symbol, Value::Bool(true));
            }
        }
        }
        let mut keys: Value = object_keys(&marketIds);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_342: bool = true;
            while { if !__for_first_342 { i = add(&i, &Value::Int(1)); } __for_first_342 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut market: Value = get_value(&keys, &i);
            let mut market: Value = get_value(&keys, &i);
            let mut hash: Value = add(&Value::Str("myTrades:".to_string()), &market);
            client.resolve(&[cachedTrades.clone(), hash.clone()]);
        }
        }
        client.resolve(&[cachedTrades.clone(), Value::Str("myTrades".to_string())]);
}

/*
 * @method
 * @name gate#watchBalance
 * @description watch balance and get the amount of funds available for trading or funds locked in orders
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#spot-balance-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#balances-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#balances-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#balances-channel
 * @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;
        }
        let mut type_var: Value = Value::Null;
        let mut subType: Value = Value::Null;
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchBalance".to_string()), &[Value::Null, params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        { let __destr_tmp = self.handle_sub_type_and_params(Value::Str("watchBalance".to_string()), &[Value::Null, params.clone()]); subType = get_value(&__destr_tmp, &Value::Int(0)); params = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isInverse: Value = Value::Bool(is_equal(&subType, &Value::Str("inverse".to_string())));
        let mut url: Value = self.get_url_by_market_type(type_var.clone(), &[isInverse.clone()]);
        let mut requiresUid: Value = Value::Bool(!is_equal(&type_var, &Value::Str("spot".to_string())));
        let mut channelType: Value = self.get_supported_mapping(type_var.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("spot".to_string(), Value::Str("spot".to_string()));
                m.insert("margin".to_string(), Value::Str("spot".to_string()));
                m.insert("future".to_string(), Value::Str("futures".to_string()));
                m.insert("swap".to_string(), Value::Str("futures".to_string()));
                m.insert("option".to_string(), Value::Str("options".to_string()));
            m
        })]);
        // todo: add correct margin support
        let mut channel: Value = add(&channelType, &Value::Str(".balances".to_string()));
        let mut messageHash: Value = add(&type_var, &Value::Str(".balance".to_string()));
        return self.subscribe_private(url.clone(), messageHash.clone(), Value::Null, channel.clone(), params.clone(), &[requiresUid.clone()]).await;

    Value::Null
}

    pub fn handle_balance(&mut self, mut client: Value, mut message: Value) {
        //
        // spot order fill
        //     {
        //         "time": 1653664351,
        //         "time_ms": 1605248616763,
        //         "channel": "spot.balances",
        //         "event": "update",
        //         "result": [
        //             {
        //                 "timestamp": "1667556323",
        //                 "timestamp_ms": "1667556323730",
        //                 "user": "1000001",
        //                 "currency": "USDT",
        //                 "change": "0",
        //                 "total": "222244.3827652",
        //                 "available": "222244.3827",
        //                 "freeze": "5",
        //                 "freeze_change": "5.000000",
        //                 "change_type": "order-create"
        //             }
        //         ]
        //     }
        //
        // account transfer
        //
        //    {
        //        "id": null,
        //        "time": 1653665088,
        //        "channel": "futures.balances",
        //        "event": "update",
        //        "error": null,
        //        "result": [
        //          {
        //            "balance": 25.035008537,
        //            "change": 25,
        //            "text": "-",
        //            "time": 1653665088,
        //            "time_ms": 1653665088286,
        //            "type": "dnw",
        //            "user": "10406147"
        //          }
        //        ]
        //   }
        //
        // swap order fill
        //   {
        //       "id": null,
        //       "time": 1653665311,
        //       "channel": "futures.balances",
        //       "event": "update",
        //       "error": null,
        //       "result": [
        //         {
        //           "balance": 20.031873037,
        //           "change": -0.0031355,
        //           "text": "LTC_USDT:165551103273",
        //           "time": 1653665311,
        //           "time_ms": 1653665311437,
        //           "type": "fee",
        //           "user": "10406147"
        //         }
        //       ]
        //   }
        //
        let mut result: Value = self.safe_value_k(message.clone(), "result", &[Value::List(vec![])]);
        add_element_to_object(&mut self.balance, &Value::Str("info".to_string()), result.clone());
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_343: bool = true;
            while { if !__for_first_343 { i = add(&i, &Value::Int(1)); } __for_first_343 = false; is_less_than(&i, &get_array_length(&result)) } {
            let mut rawBalance: Value = get_value(&result, &i);
            let mut rawBalance: Value = get_value(&result, &i);
            let mut account: Value = self.account();
            let mut currencyId: Value = self.safe_string_k(rawBalance.clone(), "currency", &[Value::Str("USDT".to_string())]); // when not present it is USDT
            let mut code: Value = self.safe_currency_code(currencyId.clone(), &[]);
            let mut timestamp: Value = self.safe_integer2(rawBalance.clone(), Value::Str("time_ms".to_string()), Value::Str("timestamp_ms".to_string()), &[]);
            add_element_to_object(&mut self.balance, &Value::Str("timestamp".to_string()), timestamp.clone());
            { let __be_tmp = self.iso8601(timestamp.clone()); add_element_to_object(&mut self.balance, &Value::Str("datetime".to_string()), __be_tmp); };
            add_element_to_object(&mut account, &Value::Str("used".to_string()), self.safe_string_k(rawBalance.clone(), "freeze", &[]));
            add_element_to_object(&mut account, &Value::Str("free".to_string()), self.safe_string_k(rawBalance.clone(), "available", &[]));
            add_element_to_object(&mut account, &Value::Str("total".to_string()), self.safe_string2(rawBalance.clone(), Value::Str("total".to_string()), Value::Str("balance".to_string()), &[]));
            if !is_equal(&code, &Value::Null) {
                add_element_to_object(&mut self.balance, &code, account.clone());
            }
        }
        }
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        let mut parts: Value = split(&channel, &Value::Str(".".to_string()));
        let mut rawType: Value = self.safe_string(parts.clone(), Value::Int(0), &[]);
        let mut channelType: Value = self.get_supported_mapping(rawType.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("spot".to_string(), Value::Str("spot".to_string()));
                m.insert("futures".to_string(), Value::Str("swap".to_string()));
                m.insert("options".to_string(), Value::Str("option".to_string()));
            m
        })]);
        let mut messageHash: Value = add(&channelType, &Value::Str(".balance".to_string()));
        { let __t = self.safe_balance(self.balance.clone()); self.balance = __t; }
        client.resolve(&[self.balance.clone(), messageHash.clone()]);
}

/*
 * @method
 * @name gate#watchPositions
 * @see https://www.gate.io/docs/developers/futures/ws/en/#positions-subscription
 * @see https://www.gate.io/docs/developers/delivery/ws/en/#positions-subscription
 * @see https://www.gate.io/docs/developers/options/ws/en/#positions-channel
 * @description watch all open positions
 * @param {string[]} [symbols] list of unified market symbols to watch positions for
 * @param {int} [since] the earliest time in ms to fetch positions for
 * @param {int} [limit] the maximum number of positions to retrieve
 * @param {object} params extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [position structure]{@link https://docs.ccxt.com/en/latest/manual.html#position-structure}
 */
    pub async fn watch_positions(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = Value::Null;
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut payload: Value = Value::List(vec![add(&Value::Str("!".to_string()), &Value::Str("all".to_string()))]);
        if !is_true(&self.is_empty(symbols.clone())) {
            market = self.get_market_from_symbols(&[symbols.clone()]);
        }
        let mut type_var: Value = Value::Null;
        let mut query: Value = Value::Null;
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchPositions".to_string()), &[market.clone(), params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        if is_equal(&type_var, &Value::Str("spot".to_string())) {
            type_var = Value::Str("swap".to_string());
        }
        let mut typeId: Value = self.get_supported_mapping(type_var.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("future".to_string(), Value::Str("futures".to_string()));
                m.insert("swap".to_string(), Value::Str("futures".to_string()));
                m.insert("option".to_string(), Value::Str("options".to_string()));
            m
        })]);
        let mut messageHash: Value = add(&type_var, &Value::Str(":positions".to_string()));
        if !is_true(&self.is_empty(symbols.clone())) {
            if is_equal(&symbols, &Value::Null) {
                panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchPositions() symbols is required".to_string()))));
            }
            messageHash = add(&messageHash, &add(&Value::Str("::".to_string()), &join(&symbols, &Value::Str(",".to_string()))));
        }
        let mut channel: Value = add(&typeId, &Value::Str(".positions".to_string()));
        let mut subType: Value = Value::Null;
        { let __destr_tmp = self.handle_sub_type_and_params(Value::Str("watchPositions".to_string()), &[market.clone(), query.clone()]); subType = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isInverse: Value = Value::Bool(is_equal(&subType, &Value::Str("inverse".to_string())));
        let mut url: Value = self.get_url_by_market_type(type_var.clone(), &[isInverse.clone()]);
        let mut client: Value = self.client(&[url.clone()]);
        self.set_positions_cache(client.clone(), type_var.clone(), &[symbols.clone()]);
        let mut fetchPositionsSnapshot: Value = self.handle_option(Value::Str("watchPositions".to_string()), Value::Str("fetchPositionsSnapshot".to_string()), &[Value::Bool(true)]);
        let mut awaitPositionsSnapshot: Value = self.handle_option(Value::Str("watchPositions".to_string()), Value::Str("awaitPositionsSnapshot".to_string()), &[Value::Bool(true)]);
        let mut cache: Value = self.safe_value(self.positions.clone(), type_var.clone(), &[]);
        if is_true(&(is_equal(&fetchPositionsSnapshot, &Value::Bool(true)))) && is_true(&(is_equal(&awaitPositionsSnapshot, &Value::Bool(true)))) && is_true(&(is_equal(&cache, &Value::Null))) {
            return crate::exchange_stubs::ws_await_flight(&client.future(&[add(&type_var, &Value::Str(":fetchPositionsSnapshot".to_string()))])).await;
        }
        let mut positions: Value = self.subscribe_private(url.clone(), messageHash.clone(), payload.clone(), channel.clone(), query.clone(), &[Value::Bool(true)]).await;
        if is_true(&self.newUpdates) {
            return positions;
        }
        return self.filter_by_symbols_since_limit(self.safe_value(self.positions.clone(), type_var.clone(), &[]), &[symbols.clone(), since.clone(), limit.clone(), Value::Bool(true)]);

    Value::Null
}

    pub fn set_positions_cache(&mut self, mut client: Value, mut type_var: Value, optional_args: &[Value]) {
        let mut symbols = get_arg(optional_args, 0, Value::Null);
        if is_equal(&self.positions, &Value::Null) {
            self.positions = Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            });
        }
        if is_true(&Value::Bool(in_op(&self.positions, &type_var))) {
            return;
        }
        let mut fetchPositionsSnapshot: Value = self.handle_option(Value::Str("watchPositions".to_string()), Value::Str("fetchPositionsSnapshot".to_string()), &[Value::Bool(false)]);
        if is_equal(&fetchPositionsSnapshot, &Value::Bool(true)) {
            let mut messageHash: Value = add(&type_var, &Value::Str(":fetchPositionsSnapshot".to_string()));
            if !is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("futures".to_string())), &messageHash)))) {
                client.future(&[messageHash.clone()]);
                self.spawn(&[Value::Str("load_positions_snapshot".to_string()).clone(), client.clone(), messageHash.clone(), type_var.clone()]);
            }
        }  else {
            add_element_to_object(&mut self.positions, &type_var, ArrayCacheBySymbolBySide::new(Value::Null));
        }
}

    pub async fn load_positions_snapshot(&mut self, mut client: Value, mut messageHash: Value, mut type_var: Value) -> Value {
        let mut positions: Value = self.fetch_positions(&[Value::Null, Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("type".to_string(), type_var.clone());
            m
        })]).await;
        add_element_to_object(&mut self.positions, &type_var, ArrayCacheBySymbolBySide::new(Value::Null));
        let mut cache: Value = get_value(&self.positions, &type_var);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_344: bool = true;
            while { if !__for_first_344 { i = add(&i, &Value::Int(1)); } __for_first_344 = false; is_less_than(&i, &get_array_length(&positions)) } {
            let mut position: Value = get_value(&positions, &i);
            let mut position: Value = get_value(&positions, &i);
            let mut contracts: Value = self.safe_number_k(position.clone(), "contracts", &[Value::Int(0)]);
            if is_true(&(!is_equal(&contracts, &Value::Null))) && is_true(&(is_greater_than(&contracts, &Value::Int(0)))) {
                cache.append(position.clone());
            }
        }
        }
        // don't remove the future from the .futures cache
        if is_true(&Value::Bool(in_op(&get_value(&client, &Value::Str("futures".to_string())), &messageHash))) {
            let mut future: Value = get_value(&get_value(&client, &Value::Str("futures".to_string())), &messageHash);
            future.resolve(&[cache.clone()]);
            client.resolve(&[cache.clone(), add(&type_var, &Value::Str(":position".to_string()))]);
        }

    Value::Null
}

    pub fn handle_positions(&self, mut client: Value, mut message: Value) {
        //
        //    {
        //        time: 1693158497,
        //        time_ms: 1693158497204,
        //        channel: 'futures.positions',
        //        event: 'update',
        //        result: [{
        //            contract: 'XRP_USDT',
        //            cross_leverage_limit: 0,
        //            entry_price: 0.5253,
        //            history_pnl: 0,
        //            history_point: 0,
        //            last_close_pnl: 0,
        //            leverage: 0,
        //            leverage_max: 50,
        //            liq_price: 0.0361,
        //            maintenance_rate: 0.01,
        //            margin: 4.89609962852,
        //            mode: 'single',
        //            realised_pnl: -0.0026265,
        //            realised_point: 0,
        //            risk_limit: 500000,
        //            size: 1,
        //            time: 1693158497,
        //            time_ms: 1693158497195,
        //            update_id: 1,
        //            user: '10444586'
        //        }]
        //    }
        //
        let mut type_var: Value = self.get_market_type_by_url(get_value(&client, &Value::Str("url".to_string())));
        let mut data: Value = self.safe_value_k(message.clone(), "result", &[Value::List(vec![])]);
        let mut cache: Value = get_value(&self.positions, &type_var);
        let mut newPositions: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_345: bool = true;
            while { if !__for_first_345 { i = add(&i, &Value::Int(1)); } __for_first_345 = 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(), &[]);
            let mut symbol: Value = self.safe_string_k(position.clone(), "symbol", &[]);
            let mut side: Value = self.safe_string_k(position.clone(), "side", &[]);
            // Control when position is closed no side is returned
            if is_equal(&side, &Value::Null) {
                let mut prevLongPosition: Value = self.safe_dict(cache.clone(), add(&symbol, &Value::Str("long".to_string())), &[]);
                if !is_equal(&prevLongPosition, &Value::Null) {
                    add_element_to_object(&mut position, &Value::Str("side".to_string()), get_value(&prevLongPosition, &Value::Str("side".to_string())));
                    append_to_array(&mut newPositions, position.clone());
                    cache.append(position.clone());
                }
                let mut prevShortPosition: Value = self.safe_dict(cache.clone(), add(&symbol, &Value::Str("short".to_string())), &[]);
                if !is_equal(&prevShortPosition, &Value::Null) {
                    add_element_to_object(&mut position, &Value::Str("side".to_string()), get_value(&prevShortPosition, &Value::Str("side".to_string())));
                    append_to_array(&mut newPositions, position.clone());
                    cache.append(position.clone());
                }
                // if no prev position is found, default to long
                if is_equal(&prevLongPosition, &Value::Null) && is_equal(&prevShortPosition, &Value::Null) {
                    add_element_to_object(&mut position, &Value::Str("side".to_string()), Value::Str("long".to_string()));
                    append_to_array(&mut newPositions, position.clone());
                    cache.append(position.clone());
                }
            }  else {
                append_to_array(&mut newPositions, position.clone());
                cache.append(position.clone());
            }
        }
        }
        let mut messageHashes: Value = self.find_message_hashes(client.clone(), add(&type_var, &Value::Str(":positions::".to_string())));
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_346: bool = true;
            while { if !__for_first_346 { i = add(&i, &Value::Int(1)); } __for_first_346 = false; is_less_than(&i, &get_array_length(&messageHashes)) } {
            let mut messageHash: Value = get_value(&messageHashes, &i);
            let mut messageHash: Value = get_value(&messageHashes, &i);
            let mut parts: Value = split(&messageHash, &Value::Str("::".to_string()));
            let mut symbolsString: Value = get_value(&parts, &Value::Int(1));
            let mut symbols: Value = split(&symbolsString, &Value::Str(",".to_string()));
            let mut positions: Value = self.filter_by_array(newPositions.clone(), Value::Str("symbol".to_string()), &[symbols.clone(), Value::Bool(false)]);
            if !is_true(&self.is_empty(positions.clone())) {
                client.resolve(&[positions.clone(), messageHash.clone()]);
            }
        }
        }
        client.resolve(&[newPositions.clone(), add(&type_var, &Value::Str(":positions".to_string()))]);
}

/*
 * @method
 * @name gate#watchOrders
 * @description watches information on multiple orders made by the user
 * @see https://www.gate.com/docs/developers/apiv4/ws/en/#orders-channel
 * @see https://www.gate.com/docs/developers/futures/ws/en/#orders-api
 * @see https://www.gate.com/docs/developers/delivery/ws/en/#orders-api
 * @see https://www.gate.com/docs/developers/options/ws/en/#orders-channel
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.type] spot, margin, swap, future, or option. Required if listening to all symbols.
 * @param {boolean} [params.isInverse] if future, listen to inverse or linear contracts
 * @param {boolean} [params.trigger] set to true to watch trigger orders, spot.priceorders and futures.autoorders channels, see https://github.com/ccxt/ccxt/issues/27202
 * @param {boolean} [params.stop] alias of params.trigger
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn watch_orders(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = Value::Null;
        if !is_equal(&symbol, &Value::Null) {
            let mut marketResolved: Value = self.market(symbol.clone());
            market = marketResolved.clone();
            symbol = get_value(&market, &Value::Str("symbol".to_string()));
        }
        let mut type_var: Value = Value::Null;
        let mut query: Value = Value::Null;
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchOrders".to_string()), &[market.clone(), params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut typeId: Value = self.get_supported_mapping(type_var.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("spot".to_string(), Value::Str("spot".to_string()));
                m.insert("margin".to_string(), Value::Str("spot".to_string()));
                m.insert("future".to_string(), Value::Str("futures".to_string()));
                m.insert("swap".to_string(), Value::Str("futures".to_string()));
                m.insert("option".to_string(), Value::Str("options".to_string()));
            m
        })]);
        let mut isTrigger: Value = Value::Bool(false);
        { let __destr_tmp = self.handle_param_bool2(query.clone(), Value::Str("trigger".to_string()), Value::Str("stop".to_string()), &[Value::Bool(false)]); isTrigger = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        if is_true(&(is_equal(&isTrigger, &Value::Bool(true)))) && is_true(&(is_equal(&typeId, &Value::Str("options".to_string())))) {
            panic!("{}", crate::exchange_errors::not_supported(add(&self.id, &Value::Str(" watchOrders() does not support trigger orders for options, see https://github.com/ccxt/ccxt/issues/27202".to_string()))));
        }
        // gate pushes trigger orders on dedicated channels, spot.priceorders and futures.autoorders,
        // see https://github.com/ccxt/ccxt/issues/27202
        let mut suffix: Value = Value::Str(".orders".to_string());
        if is_equal(&isTrigger, &Value::Bool(true)) {
            suffix = ternary(is_true(&(is_equal(&typeId, &Value::Str("spot".to_string())))), Value::Str(".priceorders".to_string()), Value::Str(".autoorders".to_string()));
        }
        let mut channel: Value = add(&typeId, &suffix);
        let mut messageHash: Value = ternary(is_true(&(is_equal(&isTrigger, &Value::Bool(true)))), Value::Str("triggerOrders".to_string()), Value::Str("orders".to_string()));
        let mut payload: Value = Value::List(vec![add(&Value::Str("!".to_string()), &Value::Str("all".to_string()))]);
        if !is_equal(&market, &Value::Null) {
            messageHash = add(&messageHash, &add(&Value::Str(":".to_string()), &get_value(&market, &Value::Str("id".to_string()))));
            let mut mid: Value = get_value(&market, &Value::Str("id".to_string()));
            if !is_equal(&mid, &Value::Null) {
                payload = Value::List(vec![mid.clone()]);
            }
        }
        let mut subType: Value = Value::Null;
        { let __destr_tmp = self.handle_sub_type_and_params(Value::Str("watchOrders".to_string()), &[market.clone(), query.clone()]); subType = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isInverse: Value = Value::Bool(is_equal(&subType, &Value::Str("inverse".to_string())));
        let mut url: Value = self.get_url_by_market_type(type_var.clone(), &[isInverse.clone()]);
        // uid required for non spot markets
        let mut requiresUid: Value = Value::Bool(!is_equal(&type_var, &Value::Str("spot".to_string())));
        let mut orders: Value = self.subscribe_private(url.clone(), messageHash.clone(), payload.clone(), channel.clone(), query.clone(), &[requiresUid.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = orders.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(orders.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_order(&mut self, mut client: Value, mut message: Value) {
        //
        //     {
        //         "time": 1774613210,
        //         "time_ms": 1774613210392,
        //         "channel": "spot.orders",
        //         "event": "update",
        //         "result": [
        //             {
        //                 "id": "1036717689726",
        //                 "text": "apiv4",
        //                 "create_time": "1774613210",
        //                 "update_time": "1774613210",
        //                 "currency_pair": "BTC_USDT",
        //                 "type": "limit",
        //                 "account": "unified",
        //                 "side": "buy",
        //                 "amount": "0.1",
        //                 "price": "200",
        //                 "time_in_force": "gtc",
        //                 "left": "0.1",
        //                 "filled_amount": "0",
        //                 "filled_total": "0",
        //                 "avg_deal_price": "0",
        //                 "fee": "0",
        //                 "fee_currency": "BTC",
        //                 "point_fee": "0",
        //                 "gt_fee": "0",
        //                 "rebated_fee": "0",
        //                 "rebated_fee_currency": "BTC",
        //                 "create_time_ms": "1774613210391",
        //                 "update_time_ms": "1774613210391",
        //                 "user": 10406147,
        //                 "event": "put",
        //                 "stp_id": 0,
        //                 "stp_act": "-",
        //                 "finish_as": "open",
        //                 "biz_info": "ch:ccxt",
        //                 "amend_text": "-"
        //             }
        //         ]
        //     }
        //
        let mut orders: Value = self.safe_value_k(message.clone(), "result", &[Value::List(vec![])]);
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[Value::Str("".to_string())]);
        let mut isTrigger: bool = is_true(&(is_greater_than_or_equal(&get_index_of(&channel, &Value::Str("autoorders".to_string())), &Value::Int(0)))) || is_true(&(is_greater_than_or_equal(&get_index_of(&channel, &Value::Str("priceorders".to_string())), &Value::Int(0))));
        let mut hashPrefix: Value = ternary(is_true(&isTrigger), Value::Str("triggerOrders".to_string()), Value::Str("orders".to_string()));
        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(&isTrigger), self.triggerOrders.clone(), self.orders.clone());
        let mut marketIds: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
        let mut parsedOrders: Value = self.parse_orders(orders.clone(), &[]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_347: bool = true;
            while { if !__for_first_347 { i = add(&i, &Value::Int(1)); } __for_first_347 = false; is_less_than(&i, &get_array_length(&parsedOrders)) } {
            let mut parsed: Value = get_value(&parsedOrders, &i);
            let mut parsed: Value = get_value(&parsedOrders, &i);
            // inject order status
            let mut info: Value = self.safe_value_k(parsed.clone(), "info", &[]);
            let mut event: Value = self.safe_string_k(info.clone(), "event", &[]);
            if is_equal(&event, &Value::Str("put".to_string())) || is_equal(&event, &Value::Str("update".to_string())) {
                add_element_to_object(&mut parsed, &Value::Str("status".to_string()), Value::Str("open".to_string()));
            }  else if is_equal(&event, &Value::Str("finish".to_string())) {
                let mut status: Value = self.safe_string_k(parsed.clone(), "status", &[]);
                if is_equal(&status, &Value::Null) {
                    let mut left: Value = self.safe_integer_k(info.clone(), "left", &[]);
                    add_element_to_object(&mut parsed, &Value::Str("status".to_string()), ternary(is_true(&(is_equal(&left, &Value::Int(0)))), Value::Str("closed".to_string()), Value::Str("canceled".to_string())));
                }
            }
            stored.append(parsed.clone());
            let mut symbol: Value = get_value(&parsed, &Value::Str("symbol".to_string()));
            let mut market: Value = self.market(symbol.clone());
            if !is_equal(&get_value(&market, &Value::Str("id".to_string())), &Value::Null) {
                add_element_to_object(&mut marketIds, &get_value(&market, &Value::Str("id".to_string())), Value::Bool(true));
            }
        }
        }
        let mut keys: Value = object_keys(&marketIds);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_348: bool = true;
            while { if !__for_first_348 { i = add(&i, &Value::Int(1)); } __for_first_348 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut messageHash: Value = add(&add(&hashPrefix, &Value::Str(":".to_string())), &get_value(&keys, &i));
            client.resolve(&[stored.clone(), messageHash.clone()]);
        }
        }
        client.resolve(&[stored.clone(), hashPrefix.clone()]);
}

/*
 * @method
 * @name gate#watchMyLiquidations
 * @description watch the public liquidations of a trading pair
 * @see https://www.gate.io/docs/developers/futures/ws/en/#liquidates-api
 * @see https://www.gate.io/docs/developers/delivery/ws/en/#liquidates-api
 * @see https://www.gate.io/docs/developers/options/ws/en/#liquidates-channel
 * @param {string} symbol unified CCXT market symbol
 * @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 bitmex 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(&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_my_liquidations_for_symbols(Value::List(vec![symbol.clone()]), &[since.clone(), limit.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name gate#watchMyLiquidationsForSymbols
 * @description watch the private liquidations of a trading pair
 * @see https://www.gate.io/docs/developers/futures/ws/en/#liquidates-api
 * @see https://www.gate.io/docs/developers/delivery/ws/en/#liquidates-api
 * @see https://www.gate.io/docs/developers/options/ws/en/#liquidates-channel
 * @param {string[]} symbols unified CCXT market 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 gate 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;
        }
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(true), Value::Bool(true)]);
        let mut market: Value = self.get_market_from_symbols(&[symbols.clone()]);
        let mut type_var: Value = Value::Null;
        let mut query: Value = Value::Null;
        { let __destr_tmp = self.handle_market_type_and_params(Value::Str("watchMyLiquidationsForSymbols".to_string()), &[market.clone(), params.clone()]); type_var = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut typeId: Value = self.get_supported_mapping(type_var.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("future".to_string(), Value::Str("futures".to_string()));
                m.insert("swap".to_string(), Value::Str("futures".to_string()));
                m.insert("option".to_string(), Value::Str("options".to_string()));
            m
        })]);
        let mut subType: Value = Value::Null;
        { let __destr_tmp = self.handle_sub_type_and_params(Value::Str("watchMyLiquidationsForSymbols".to_string()), &[market.clone(), query.clone()]); subType = get_value(&__destr_tmp, &Value::Int(0)); query = get_value(&__destr_tmp, &Value::Int(1)); }
        let mut isInverse: Value = Value::Bool(is_equal(&subType, &Value::Str("inverse".to_string())));
        let mut url: Value = self.get_url_by_market_type(type_var.clone(), &[isInverse.clone()]);
        let mut payload: Value = Value::List(vec![]);
        let mut messageHash: Value = Value::Str("".to_string());
        if is_true(&self.is_empty(symbols.clone())) {
            if !is_equal(&typeId, &Value::Str("futures".to_string())) && !is_true(&isInverse) {
                panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" watchMyLiquidationsForSymbols() does not support listening to all symbols, you must call watchMyLiquidations() instead for each symbol you wish to watch.".to_string()))));
            }
            messageHash = Value::Str("myLiquidations".to_string());
            append_to_array(&mut payload, Value::Str("!all".to_string()));
        }  else {
            let mut symbolsLength: Value = get_array_length(&symbols);
            if !is_equal(&symbolsLength, &Value::Int(1)) {
                panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" watchMyLiquidationsForSymbols() only allows one symbol at a time. To listen to several symbols call watchMyLiquidationsForSymbols() several times.".to_string()))));
            }
            messageHash = add(&Value::Str("myLiquidations::".to_string()), &get_value(&symbols, &Value::Int(0)));
            append_to_array(&mut payload, get_value(&market, &Value::Str("id".to_string())));
        }
        let mut channel: Value = add(&typeId, &Value::Str(".liquidates".to_string()));
        let mut newLiquidations: Value = self.subscribe_private(url.clone(), messageHash.clone(), payload.clone(), channel.clone(), query.clone(), &[Value::Bool(true)]).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) {
        //
        // future / delivery
        //     {
        //         "channel":"futures.liquidates",
        //         "event":"update",
        //         "time":1541505434,
        //         "time_ms":1541505434123,
        //         "result":[
        //            {
        //               "entry_price":209,
        //               "fill_price":215.1,
        //               "left":0,
        //               "leverage":0.0,
        //               "liq_price":213,
        //               "margin":0.007816722941,
        //               "mark_price":213,
        //               "order_id":4093362,
        //               "order_price":215.1,
        //               "size":-124,
        //               "time":1541486601,
        //               "time_ms":1541486601123,
        //               "contract":"BTC_USD",
        //               "user":"1040xxxx"
        //            }
        //         ]
        //     }
        // option
        //    {
        //        "channel":"options.liquidates",
        //        "event":"update",
        //        "time":1630654851,
        //        "result":[
        //           {
        //              "user":"1xxxx",
        //              "init_margin":1190,
        //              "maint_margin":1042.5,
        //              "order_margin":0,
        //              "time":1639051907,
        //              "time_ms":1639051907000
        //           }
        //        ]
        //    }
        //
        let mut rawLiquidations: Value = self.safe_list_k(message.clone(), "result", &[Value::List(vec![])]);
        let mut newLiquidations: Value = Value::List(vec![]);
        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();
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_349: bool = true;
            while { if !__for_first_349 { i = add(&i, &Value::Int(1)); } __for_first_349 = 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(), &[]);
            cache.append(liquidation.clone());
            let mut symbol: Value = self.safe_string_k(liquidation.clone(), "symbol", &[]);
            let mut symbolLiquidations: Value = self.safe_value(cache.clone(), symbol.clone(), &[Value::List(vec![])]);
            client.resolve(&[symbolLiquidations.clone(), add(&Value::Str("myLiquidations::".to_string()), &symbol)]);
        }
        }
        client.resolve(&[newLiquidations.clone(), Value::Str("myLiquidations".to_string())]);
}

    pub fn parse_ws_liquidation(&self, mut liquidation: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        // future / delivery
        //    {
        //        "entry_price": 209,
        //        "fill_price": 215.1,
        //        "left": 0,
        //        "leverage": 0.0,
        //        "liq_price": 213,
        //        "margin": 0.007816722941,
        //        "mark_price": 213,
        //        "order_id": 4093362,
        //        "order_price": 215.1,
        //        "size": -124,
        //        "time": 1541486601,
        //        "time_ms": 1541486601123,
        //        "contract": "BTC_USD",
        //        "user": "1040xxxx"
        //    }
        // option
        //    {
        //        "user": "1xxxx",
        //        "init_margin": 1190,
        //        "maint_margin": 1042.5,
        //        "order_margin": 0,
        //        "time": 1639051907,
        //        "time_ms": 1639051907000
        //    }
        //
        let mut marketId: Value = self.safe_string_k(liquidation.clone(), "contract", &[]);
        market = self.safe_market(&[marketId.clone(), market.clone()]);
        let mut timestamp: Value = self.safe_integer_k(liquidation.clone(), "time_ms", &[]);
        let mut originalSize: Value = self.safe_string_k(liquidation.clone(), "size", &[]);
        let mut left: Value = self.safe_string_k(liquidation.clone(), "left", &[]);
        let mut amount: Value = crate::precise::Precise::stringAbs(&crate::precise::Precise::stringSub(&originalSize, &left));
        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.parse_number(amount.clone(), &[]));
        m.insert("contractSize".to_string(), self.safe_number_k(market.clone(), "contractSize", &[]));
        m.insert("price".to_string(), self.safe_number_k(liquidation.clone(), "fill_price", &[]));
        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 handle_error_message(&self, mut client: Value, mut message: Value) -> Value {
        //
        //    {
        //        "time": 1647274664,
        //        "channel": "futures.orders",
        //        "event": "subscribe",
        //        "error": { code: 2, message: "unknown contract BTC_USDT_20220318" },
        //    }
        //    {
        //      "time": 1647276473,
        //      "channel": "futures.orders",
        //      "event": "subscribe",
        //      "error": {
        //        "code": 4,
        //        "message": "{"label":"INVALID_KEY","message":"Invalid key provided"}\n"
        //      },
        //      "result": null
        //    }
        //    {
        //       header: {
        //         response_time: '1718551891329',
        //         status: '400',
        //         channel: 'spot.order_place',
        //         event: 'api',
        //         client_id: '81.34.68.6-0xc16375e2c0',
        //         conn_id: '9539116e0e09678f'
        //       },
        //       data: { errs: { label: 'AUTHENTICATION_FAILED', message: 'Not login' } },
        //       request_id: '10406147'
        //     }
        //     {
        //         "time": 1739853211,
        //         "time_ms": 1739853211201,
        //         "id": 1,
        //         "conn_id": "62f2c1dabbe186d7",
        //         "trace_id": "cdb02a8c0b61086b2fe6f8fad2f98c54",
        //         "channel": "spot.trades",
        //         "event": "subscribe",
        //         "payload": [
        //             "LUNARLENS_USDT",
        //             "ETH_USDT"
        //         ],
        //         "error": {
        //             "code": 2,
        //             "message": "unknown currency pair: LUNARLENS_USDT"
        //         },
        //         "result": {
        //             "status": "fail"
        //         },
        //         "requestId": "cdb02a8c0b61086b2fe6f8fad2f98c54"
        //     }
        //
        let mut data: Value = self.safe_dict_k(message.clone(), "data", &[]);
        let mut errs: Value = self.safe_dict_k(data.clone(), "errs", &[]);
        let mut error: Value = self.safe_dict_k(message.clone(), "error", &[errs.clone()]);
        let mut code: Value = self.safe_string2(error.clone(), Value::Str("code".to_string()), Value::Str("label".to_string()), &[]);
        let mut id: Value = self.safe_string_n(message.clone(), Value::List(vec![Value::Str("id".to_string()), Value::Str("requestId".to_string()), Value::Str("request_id".to_string())]), &[]);
        if !is_equal(&error, &Value::Null) {
            let mut messageHash: Value = self.safe_string(get_value(&client, &Value::Str("subscriptions".to_string())), id.clone(), &[]);
            let _try_result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
                self.throw_exactly_matched_exception(get_value(&get_value(&self.exceptions, &Value::Str("ws".to_string())), &Value::Str("exact".to_string())), code.clone(), self.json(message.clone()));
                self.throw_exactly_matched_exception(get_value(&self.exceptions, &Value::Str("exact".to_string())), code.clone(), self.json(errs.clone()));
                let mut errorMessage: Value = self.safe_string_k(error.clone(), "message", &[self.safe_string(errs.clone(), Value::Str("message".to_string()), &[])]);
                self.throw_broadly_matched_exception(get_value(&get_value(&self.exceptions, &Value::Str("ws".to_string())), &Value::Str("broad".to_string())), errorMessage.clone(), self.json(message.clone()));
                panic!("{}", crate::exchange_errors::exchange_error(self.json(message.clone())));
             #[allow(unreachable_code)] { Value::Null }}));
if let Err(_try_err) = _try_result { let e: Value = panic_to_value(_try_err);
                client.reject(&[e.clone(), messageHash.clone()]);
                if is_true(&(!is_equal(&messageHash, &Value::Null))) && is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash)))) {
                    remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash);
                }
                // remove subscriptions for watchSymbols
                let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
                if is_true(&(!is_equal(&channel, &Value::Null))) && is_true(&(is_greater_than(&get_index_of(&channel, &Value::Str(".".to_string())), &Value::Int(0)))) {
                    let mut parsedChannel: Value = split(&channel, &Value::Str(".".to_string()));
                    let mut payload: Value = self.safe_list_k(message.clone(), "payload", &[Value::List(vec![])]);
                    {
                                                let mut i: Value = Value::Int(0);
                        let mut __for_first_350: bool = true;
                        while { if !__for_first_350 { i = add(&i, &Value::Int(1)); } __for_first_350 = false; is_less_than(&i, &get_array_length(&payload)) } {
                        let mut marketType: Value = ternary(is_equal(&get_value(&parsedChannel, &Value::Int(0)), &Value::Str("futures".to_string())), Value::Str("swap".to_string()), get_value(&parsedChannel, &Value::Int(0)));
                        let mut symbol: Value = self.safe_symbol(get_value(&payload, &i), &[Value::Null, Value::Str("_".to_string()), marketType.clone()]);
                        let mut messageHashSymbol: Value = add(&add(&get_value(&parsedChannel, &Value::Int(1)), &Value::Str(":".to_string())), &symbol);
                        if is_true(&(!is_equal(&messageHashSymbol, &Value::Null))) && is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHashSymbol)))) {
                            remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &messageHashSymbol);
                        }
                    }
                    }
                }
            }
            if is_true(&(!is_equal(&id, &Value::Null))) && is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &id)))) {
                remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &id);
            }
            return Value::Bool(true);
        }
        return Value::Bool(false);

    Value::Null
}

    pub fn handle_balance_subscription(&mut self, mut client: Value, mut message: Value, optional_args: &[Value]) {
        let mut subscription = get_arg(optional_args, 0, Value::Null);
        self.balance = Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        });
}

    pub fn handle_subscription_status(&mut self, mut client: Value, mut message: Value) {
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[]);
        let mut methods: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("balance".to_string(), Value::Str("handle_balance_subscription".to_string()).clone());
                m.insert("spot.order_book_update".to_string(), Value::Str("handle_order_book_subscription".to_string()).clone());
                m.insert("futures.order_book_update".to_string(), Value::Str("handle_order_book_subscription".to_string()).clone());
                m.insert("options.order_book_update".to_string(), Value::Str("handle_order_book_subscription".to_string()).clone());
            m
        });
        let mut id: Value = self.safe_string_k(message.clone(), "id", &[]);
        if is_equal(&id, &Value::Null) {
            return;
        }
        if is_true(&Value::Bool(in_op(&methods, &channel))) {
            let mut subscriptionHash: Value = self.safe_string(get_value(&client, &Value::Str("subscriptions".to_string())), id.clone(), &[]);
            let mut subscription: Value = self.safe_value(get_value(&client, &Value::Str("subscriptions".to_string())), subscriptionHash.clone(), &[]);
            let mut method: Value = get_value(&methods, &channel);
            let mut method: Value = get_value(&methods, &channel);
            self.dispatch_ws_handler(&method, &[client.clone(), message.clone(), subscription.clone()]);
        }
        if is_true(&Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &id))) {
            if !is_equal(&id, &Value::Null) {
                remove(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &id);
            }
        }
}

    pub fn handle_un_subscribe(&mut self, mut client: Value, mut message: Value) {
        //
        // {
        //     "time":1725534679,
        //     "time_ms":1725534679786,
        //     "id":2,
        //     "conn_id":"fac539b443fd7002",
        //     "trace_id":"efe1d282b630b4aa266b84bee177791a",
        //     "channel":"spot.trades",
        //     "event":"unsubscribe",
        //     "payload":[
        //        "LTC_USDT"
        //     ],
        //     "result":{
        //        "status":"success"
        //     },
        //     "requestId":"efe1d282b630b4aa266b84bee177791a"
        // }
        //
        let mut id: Value = self.safe_string_k(message.clone(), "id", &[]);
        let mut keys: Value = object_keys(&get_value(&client, &Value::Str("subscriptions".to_string())));
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_352: bool = true;
            while { if !__for_first_352 { i = add(&i, &Value::Int(1)); } __for_first_352 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut messageHash: Value = get_value(&keys, &i);
            let mut messageHash: Value = get_value(&keys, &i);
            if !is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash)))) {
                continue;
            }
            if is_true(&Value::Bool(starts_with(&messageHash, &Value::Str("unsubscribe".to_string())))) {
                let mut subscription: Value = get_value(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash);
                let mut subId: Value = self.safe_string_k(subscription.clone(), "id", &[]);
                if !is_equal(&id, &subId) {
                    continue;
                }
                let mut messageHashes: Value = self.safe_list_k(subscription.clone(), "messageHashes", &[Value::List(vec![])]);
                let mut subMessageHashes: Value = self.safe_list_k(subscription.clone(), "subMessageHashes", &[Value::List(vec![])]);
                {
                                        let mut j: Value = Value::Int(0);
                    let mut __for_first_351: bool = true;
                    while { if !__for_first_351 { j = add(&j, &Value::Int(1)); } __for_first_351 = false; is_less_than(&j, &get_array_length(&messageHashes)) } {
                    let mut unsubHash: Value = get_value(&messageHashes, &j);
                    let mut unsubHash: Value = get_value(&messageHashes, &j);
                    let mut subHash: Value = get_value(&subMessageHashes, &j);
                    let mut subHash: Value = get_value(&subMessageHashes, &j);
                    self.clean_unsubscription(client.clone(), subHash.clone(), unsubHash.clone(), &[]);
                }
                }
                self.clean_cache(subscription.clone());
            }
        }
        }
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        //
        // subscribe
        //    {
        //        "time": 1649062304,
        //        "id": 1649062303,
        //        "channel": "spot.candlesticks",
        //        "event": "subscribe",
        //        "result": { status: "success" }
        //    }
        //
        // candlestick
        //    {
        //        "time": 1649063328,
        //        "channel": "spot.candlesticks",
        //        "event": "update",
        //        "result": {
        //          "t": "1649063280",
        //          "v": "58932.23174896",
        //          "c": "45966.47",
        //          "h": "45997.24",
        //          "l": "45966.47",
        //          "o": "45975.18",
        //          "n": "1m_BTC_USDT",
        //          "a": "1.281699"
        //        }
        //     }
        //
        //  orders
        //   {
        //       "time": 1630654851,
        //       "channel": "options.orders", or futures.orders or spot.orders
        //       "event": "update",
        //       "result": [
        //          {
        //             "contract": "BTC_USDT-20211130-65000-C",
        //             "create_time": 1637897000,
        //               (...)
        //       ]
        //   }
        // orderbook
        //   {
        //       "time": 1649770525,
        //       "channel": "spot.order_book_update",
        //       "event": "update",
        //       "result": {
        //         "t": 1649770525653,
        //         "e": "depthUpdate",
        //         "E": 1649770525,
        //         "s": "LTC_USDT",
        //         "U": 2622525645,
        //         "u": 2622525665,
        //         "b": [
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array]
        //         ],
        //         "a": [
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array], [Array],
        //           [Array]
        //         ]
        //       }
        //     }
        //
        // balance update
        //
        //    {
        //        "time": 1653664351,
        //        "channel": "spot.balances",
        //        "event": "update",
        //        "result": [
        //          {
        //            "timestamp": "1653664351",
        //            "timestamp_ms": "1653664351017",
        //            "user": "10406147",
        //            "currency": "LTC",
        //            "change": "-0.0002000000000000",
        //            "total": "0.09986000000000000000",
        //            "available": "0.09986000000000000000"
        //          }
        //        ]
        //    }
        //
        if is_equal(&self.handle_error_message(client.clone(), message.clone()), &Value::Bool(true)) {
            return;
        }
        let mut event: Value = self.safe_string_k(message.clone(), "event", &[]);
        if is_equal(&event, &Value::Str("subscribe".to_string())) {
            self.handle_subscription_status(client.clone(), message.clone());
            return;
        }
        if is_equal(&event, &Value::Str("unsubscribe".to_string())) {
            self.handle_un_subscribe(client.clone(), message.clone());
            return;
        }
        let mut channel: Value = self.safe_string_k(message.clone(), "channel", &[Value::Str("".to_string())]);
        // after supporting more method we can create a mapping for this
        if is_equal(&channel, &Value::Str("spot.obu".to_string())) {
            self.handle_order_book(client.clone(), message.clone());
            return;
        }
        let mut channelParts: Value = split(&channel, &Value::Str(".".to_string()));
        let mut channelType: Value = self.safe_value(channelParts.clone(), Value::Int(1), &[]);
        let mut v4Methods: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("usertrades".to_string(), Value::Str("handle_my_trades".to_string()).clone());
                m.insert("candlesticks".to_string(), Value::Str("handle_ohlcv".to_string()).clone());
                m.insert("orders".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("autoorders".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("priceorders".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("positions".to_string(), Value::Str("handle_positions".to_string()).clone());
                m.insert("tickers".to_string(), Value::Str("handle_ticker".to_string()).clone());
                m.insert("book_ticker".to_string(), Value::Str("handle_bid_ask".to_string()).clone());
                m.insert("trades".to_string(), Value::Str("handle_trades".to_string()).clone());
                m.insert("order_book_update".to_string(), Value::Str("handle_order_book".to_string()).clone());
                m.insert("balances".to_string(), Value::Str("handle_balance".to_string()).clone());
                m.insert("liquidates".to_string(), Value::Str("handle_liquidation".to_string()).clone());
            m
        });
        let mut method: Value = self.safe_value(v4Methods.clone(), channelType.clone(), &[]);
        if !is_equal(&method, &Value::Null) {
            self.dispatch_ws_handler(&method, &[client.clone(), message.clone()]);
        }
        let mut requestId: Value = self.safe_string_k(message.clone(), "request_id", &[]);
        if is_equal(&requestId, &Value::Str("authenticated".to_string())) {
            self.handle_authentication_message(client.clone(), message.clone());
            return;
        }
        if !is_equal(&requestId, &Value::Null) {
            let mut data: Value = self.safe_dict_k(message.clone(), "data", &[]);
            // use safeValue as result may be Array or an Object
            let mut result: Value = self.safe_value_k(data.clone(), "result", &[]);
            let mut ack: Value = self.safe_bool_k(message.clone(), "ack", &[]);
            if !is_equal(&ack, &Value::Bool(true)) {
                client.resolve(&[result.clone(), requestId.clone()]);
            }
        }
}

    pub fn get_url_by_market(&self, mut market: Value) -> Value {
        let mut baseUrl: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &get_value(&market, &Value::Str("type".to_string())));
        if is_equal(&get_value(&market, &Value::Str("contract".to_string())), &Value::Bool(true)) {
            return ternary(is_true(&(is_equal(&get_value(&market, &Value::Str("linear".to_string())), &Value::Bool(true)))), get_value(&baseUrl, &Value::Str("usdt".to_string())), get_value(&baseUrl, &Value::Str("btc".to_string())));
        }  else {
            return baseUrl;
        }

    Value::Null
}

    pub fn get_type_by_market(&self, mut market: Value) -> Value {
        if is_equal(&market, &Value::Null) {
            return Value::Null;
        }
        if is_equal(&get_value(&market, &Value::Str("spot".to_string())), &Value::Bool(true)) {
            return Value::Str("spot".to_string());
        }  else if is_equal(&get_value(&market, &Value::Str("option".to_string())), &Value::Bool(true)) {
            return Value::Str("options".to_string());
        }  else {
            return Value::Str("futures".to_string());
        }

    Value::Null
}

    pub fn get_url_by_market_type(&self, mut type_var: Value, optional_args: &[Value]) -> Value {
        let mut isInverse = get_arg(optional_args, 0, Value::Bool(false));
        let mut api: Value = get_value(&self.urls, &Value::Str("api".to_string()));
        let mut url: Value = self.safe_value(api.clone(), type_var.clone(), &[]);
        if is_true(&(is_equal(&type_var, &Value::Str("swap".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("future".to_string())))) {
            return ternary(is_true(&isInverse), get_value(&url, &Value::Str("btc".to_string())), get_value(&url, &Value::Str("usdt".to_string())));
        }  else {
            return url;
        }

    Value::Null
}

    pub fn get_market_type_by_url(&self, mut url: Value) -> Value {
        let mut findBy: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("op-".to_string(), Value::Str("option".to_string()));
                m.insert("delivery".to_string(), Value::Str("future".to_string()));
                m.insert("fx".to_string(), Value::Str("swap".to_string()));
            m
        });
        let mut keys: Value = object_keys(&findBy);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_353: bool = true;
            while { if !__for_first_353 { i = add(&i, &Value::Int(1)); } __for_first_353 = false; is_less_than(&i, &get_array_length(&keys)) } {
            let mut key: Value = get_value(&keys, &i);
            let mut key: Value = get_value(&keys, &i);
            let mut value: Value = get_value(&findBy, &key);
            let mut value: Value = get_value(&findBy, &key);
            if is_greater_than_or_equal(&get_index_of(&url, &key), &Value::Int(0)) {
                return value;
            }
        }
        }
        return Value::Str("spot".to_string());

    Value::Null
}

    pub fn request_id(&mut self) -> Value {
        // their support said that reqid must be an int32, not documented
        self.lock_id(&[]);
        let mut reqid: Value = self.sum(&[self.safe_integer_k(self.options.clone(), "reqid", &[Value::Int(0)]), Value::Int(1)]);
        add_element_to_object(&mut self.options, &Value::Str("reqid".to_string()), reqid.clone());
        self.unlock_id(&[]);
        return reqid;

    Value::Null
}

    pub async fn subscribe_public(&mut self, mut url: Value, mut messageHash: Value, mut payload: Value, mut channel: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut subscription = get_arg(optional_args, 1, Value::Null);
        let mut requestId: Value = self.request_id();
        let mut time: Value = self.seconds();
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), requestId.clone());
                m.insert("time".to_string(), time.clone());
                m.insert("channel".to_string(), channel.clone());
                m.insert("event".to_string(), Value::Str("subscribe".to_string()));
                m.insert("payload".to_string(), payload.clone());
            m
        });
        if !is_equal(&subscription, &Value::Null) {
            let mut client: Value = self.client(&[url.clone()]);
            if !is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash)))) {
                let mut tempSubscriptionHash: Value = to_string_val(&requestId);
                add_element_to_object(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &tempSubscriptionHash, messageHash.clone());
            }
        }
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[message.clone(), messageHash.clone(), subscription.clone()]).await;

    Value::Null
}

    pub async fn subscribe_public_multiple(&mut self, mut url: Value, mut messageHashes: Value, mut payload: Value, mut channel: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut requestId: Value = self.request_id();
        let mut time: Value = self.seconds();
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), requestId.clone());
                m.insert("time".to_string(), time.clone());
                m.insert("channel".to_string(), channel.clone());
                m.insert("event".to_string(), Value::Str("subscribe".to_string()));
                m.insert("payload".to_string(), payload.clone());
            m
        });
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[message.clone(), messageHashes.clone()]).await;

    Value::Null
}

    pub async fn un_subscribe_public_multiple(&mut self, mut url: Value, mut topic: Value, mut symbols: Value, mut messageHashes: Value, mut subMessageHashes: Value, mut payload: Value, mut channel: Value, optional_args: &[Value]) -> Value {
        let mut params = get_arg(optional_args, 0, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut requestId: Value = self.request_id();
        let mut time: Value = self.seconds();
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), requestId.clone());
                m.insert("time".to_string(), time.clone());
                m.insert("channel".to_string(), channel.clone());
                m.insert("event".to_string(), Value::Str("unsubscribe".to_string()));
                m.insert("payload".to_string(), payload.clone());
            m
        });
        let mut sub: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), to_string_val(&requestId));
                m.insert("topic".to_string(), topic.clone());
                m.insert("unsubscribe".to_string(), Value::Bool(true));
                m.insert("messageHashes".to_string(), messageHashes.clone());
                m.insert("subMessageHashes".to_string(), subMessageHashes.clone());
                m.insert("symbols".to_string(), symbols.clone());
            m
        });
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[message.clone(), messageHashes.clone(), sub.clone()]).await;

    Value::Null
}

    pub async fn authenticate(&mut self, mut url: Value, mut messageType: Value) -> Value {
        let mut channel: Value = add(&messageType, &Value::Str(".login".to_string()));
        let mut client: Value = self.client(&[url.clone()]);
        let mut messageHash: Value = Value::Str("authenticated".to_string());
        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) {
            return self.request_private(url.clone(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}), channel.clone(), &[messageHash.clone()]).await;
        }
        return future;

    Value::Null
}

    pub fn handle_authentication_message(&self, mut client: Value, mut message: Value) {
        let mut messageHash: Value = Value::Str("authenticated".to_string());
        let mut future: Value = self.safe_value(get_value(&client, &Value::Str("futures".to_string())), messageHash.clone(), &[]);
        future.resolve(&[Value::Bool(true)]);
}

    pub async fn request_private(&mut self, mut url: Value, mut reqParams: Value, mut channel: Value, optional_args: &[Value]) -> Value {
        let mut requestId = get_arg(optional_args, 0, Value::Null);
        self.check_required_credentials(&[]);
        // uid is required for some subscriptions only so it's not a part of required credentials
        let mut event: Value = Value::Str("api".to_string());
        if is_equal(&requestId, &Value::Null) {
            let mut reqId: Value = self.request_id();
            requestId = to_string_val(&reqId);
        }
        let mut messageHash: Value = requestId.clone();
        let mut time: Value = self.seconds();
        // unfortunately, PHP demands double quotes for the escaped newline symbol
        let mut signatureString: Value = join(&Value::List(vec![event.clone(), channel.clone(), self.json(reqParams.clone()), to_string_val(&time)]), &Value::Str("\n".to_string())); // eslint-disable-line quotes
        let mut signature: Value = self.hmac(self.encode(signatureString.clone()), self.encode(self.secret.clone()), Value::Str("sha512".to_string()), &[Value::Str("hex".to_string())]);
        let mut payload: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("req_id".to_string(), requestId.clone());
                m.insert("timestamp".to_string(), to_string_val(&time));
                m.insert("api_key".to_string(), self.apiKey.clone());
                m.insert("signature".to_string(), signature.clone());
                m.insert("req_param".to_string(), reqParams.clone());
            m
        });
        if is_true(&(is_equal(&channel, &Value::Str("spot.order_place".to_string())))) || is_true(&(is_equal(&channel, &Value::Str("futures.order_place".to_string())))) {
            add_element_to_object(&mut payload, &Value::Str("req_header".to_string()), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("X-Gate-Channel-Id".to_string(), Value::Str("ccxt".to_string()));
    m
}));
        }
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), requestId.clone());
                m.insert("time".to_string(), time.clone());
                m.insert("channel".to_string(), channel.clone());
                m.insert("event".to_string(), event.clone());
                m.insert("payload".to_string(), payload.clone());
            m
        });
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone(), requestId.clone()]).await;

    Value::Null
}

    pub async fn subscribe_private(&mut self, mut url: Value, mut messageHash: Value, mut payload: Value, mut channel: Value, mut params: Value, optional_args: &[Value]) -> Value {
        let mut requiresUid = get_arg(optional_args, 0, Value::Bool(false));
        self.check_required_credentials(&[]);
        // uid is required for some subscriptions only so it's not a part of required credentials
        if is_true(&requiresUid) {
            if is_equal(&self.uid, &Value::Null) || is_equal(&get_array_length(&self.uid), &Value::Int(0)) {
                panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" requires uid to subscribe".to_string()))));
            }
            let mut idArray: Value = Value::List(vec![self.uid.clone()]);
            if is_equal(&payload, &Value::Null) {
                payload = idArray.clone();
            }  else {
                payload = self.array_concat(idArray.clone(), payload.clone());
            }
        }
        let mut time: Value = self.seconds();
        let mut event: Value = Value::Str("subscribe".to_string());
        let mut signaturePayload: Value = add(&add(&add(&add(&add(&add(&add(&Value::Str("channel=".to_string()), &channel), &Value::Str("&".to_string())), &Value::Str("event=".to_string())), &event), &Value::Str("&".to_string())), &Value::Str("time=".to_string())), &to_string_val(&time));
        let mut signature: Value = self.hmac(self.encode(signaturePayload.clone()), self.encode(self.secret.clone()), Value::Str("sha512".to_string()), &[Value::Str("hex".to_string())]);
        let mut auth: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("method".to_string(), Value::Str("api_key".to_string()));
                m.insert("KEY".to_string(), self.apiKey.clone());
                m.insert("SIGN".to_string(), signature.clone());
            m
        });
        let mut requestId: Value = self.request_id();
        let mut request: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("id".to_string(), requestId.clone());
                m.insert("time".to_string(), time.clone());
                m.insert("channel".to_string(), channel.clone());
                m.insert("event".to_string(), event.clone());
                m.insert("auth".to_string(), auth.clone());
            m
        });
        if !is_equal(&payload, &Value::Null) {
            add_element_to_object(&mut request, &Value::Str("payload".to_string()), payload.clone());
        }
        let mut client: Value = self.client(&[url.clone()]);
        if !is_true(&(Value::Bool(in_op(&get_value(&client, &Value::Str("subscriptions".to_string())), &messageHash)))) {
            let mut tempSubscriptionHash: Value = to_string_val(&requestId);
            // in case of authenticationError we will throw
            add_element_to_object(&mut get_value(&client, &Value::Str("subscriptions".to_string())), &tempSubscriptionHash, messageHash.clone());
        }
        let mut message: Value = self.extend(request.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[message.clone(), messageHash.clone(), messageHash.clone()]).await;

    Value::Null
}
}