ccxt-pro 4.5.84

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

#![allow(unused, non_snake_case, clippy::all)]
use crate::Value;
use crate::get_value;
use crate::runtime::*;
// Base methods are now trait methods (review #1: static dispatch). Bring the
// traits into scope so `self.market(...)`, `self.safe_market(...)`,
// `self.load_markets(...)`, … on this Core resolve to the base defaults.
use crate::exchange_generated::ExchangeBase;
use crate::exchange::ExchangeRuntime;
// Dynamic `this[method](...)` re-entries are emitted as
// `self.call_dynamic_checked(...)` (blanket-impl'd on every Core) so an
// unresolvable name raises NotSupported instead of yielding a silent Null.
use crate::exchange::CallDynamicChecked;
use crate::pro::*;


pub struct BitoproCore {
    pub parent: crate::exchanges::bitopro::BitoproCore,
}

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

    pub fn init(&mut self) {
        let described = BitoproCore::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 BitoproCore {
    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 BitoproCore {
    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 {
                "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
                "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
                "watch_balance" => self.watch_balance(&args[..]).await,
                "watch_my_trades" => self.watch_my_trades(&args[..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_public" => self.watch_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)).await,
                "watch_ticker" => self.watch_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                "watch_trades" => self.watch_trades(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]).await,
                // Go-style inheritance: an un-overridden method dispatches to the parent core.
                _ => crate::exchange_generated::ExchangeBase::call_dynamic(&mut self.parent, method, args).await,
            }
        })
    }
}
impl BitoproCore {
    /// Synchronous WS handler dispatch — routes a handler-name string (from the
    /// venue's handle_message dispatch table) to the real handler method.
    #[allow(dead_code, unreachable_patterns, clippy::all)]
    pub fn dispatch_ws_handler(&mut self, __name: &crate::Value, args: &[crate::Value]) -> crate::Value {
        let __n = match __name { crate::Value::Str(s) => s.as_ref(), _ => return crate::Value::Null };
        match __n {
            "authenticate" => { self.authenticate(args.get(0).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_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_trade" => { self.handle_my_trade(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_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_trade" => { self.handle_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args[1.min(args.len())..]),
            "watch_balance" => { crate::exchange_stubs::enqueue_spawn("watch_balance", args.to_vec()); crate::Value::Null },
            "watch_my_trades" => { crate::exchange_stubs::enqueue_spawn("watch_my_trades", args.to_vec()); crate::Value::Null },
            "watch_order_book" => { crate::exchange_stubs::enqueue_spawn("watch_order_book", args.to_vec()); crate::Value::Null },
            "watch_public" => { crate::exchange_stubs::enqueue_spawn("watch_public", args.to_vec()); crate::Value::Null },
            "watch_ticker" => { crate::exchange_stubs::enqueue_spawn("watch_ticker", args.to_vec()); crate::Value::Null },
            "watch_trades" => { crate::exchange_stubs::enqueue_spawn("watch_trades", args.to_vec()); crate::Value::Null },
            _ => crate::Value::Null,
        }
    }
}

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

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

impl BitoproCore {
    pub fn describe(&self) -> Value {
        return self.deep_extend(self.parent.describe(), &[Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("has".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Bool(true));
        m.insert("watchBalance".to_string(), Value::Bool(true));
        m.insert("watchMyTrades".to_string(), Value::Bool(true));
        m.insert("watchOHLCV".to_string(), Value::Bool(false));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchOrders".to_string(), Value::Bool(false));
        m.insert("watchTicker".to_string(), Value::Bool(true));
        m.insert("watchTickers".to_string(), Value::Bool(false));
        m.insert("watchTrades".to_string(), Value::Bool(true));
        m.insert("watchTradesForSymbols".to_string(), Value::Bool(false));
    m
}));
        m.insert("urls".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("public".to_string(), Value::Str("wss://stream.bitopro.com:443/ws/v1/pub".into()));
        m.insert("private".to_string(), Value::Str("wss://stream.bitopro.com:443/ws/v1/pub/auth".into()));
    m
}));
    m
}));
        m.insert("requiredCredentials".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("apiKey".to_string(), Value::Bool(true));
        m.insert("secret".to_string(), Value::Bool(true));
        m.insert("login".to_string(), Value::Bool(true));
    m
}));
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("tradesLimit".to_string(), Value::Int(1000));
        m.insert("ordersLimit".to_string(), Value::Int(1000));
        m.insert("ws".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("headers".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
    m
}));
    m
}));
    m
}));
    m
})]);

    Value::Null
}

    pub async fn watch_public(&mut self, mut path: Value, mut messageHash: Value, mut marketId: Value) -> Value {
        let mut url: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str(format!("{}{}", add(&crate::value::get_value_k(&self.urls.as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null), "public"), &Value::Str("/".into())), path).into()), Value::Str("/".into())).into()), marketId).into());
        return self.watch(url, messageHash.clone(), &[Value::Null, messageHash.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name bitopro#watchOrderBook
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/public/order_book_stream.md
 * @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 (limit != Value::Null) {
            if (limit.as_f64() != Some(5.0)) && (limit.as_f64() != Some(10.0)) && (limit.as_f64() != Some(20.0)) && (limit.as_f64() != Some(50.0)) && (limit.as_f64() != Some(100.0)) && (limit.as_f64() != Some(500.0)) && (limit.as_f64() != Some(1000.0)) {
                panic!("{}", crate::exchange_errors::exchange_error(format!("{}{}", self.id.clone(), Value::Str(" watchOrderBook limit argument must be undefined, 5, 10, 20, 50, 100, 500 or 1000".into()))));
            }
        }
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("ORDER_BOOK".into()), Value::Str(":".into())).into()), symbol).into());
        let mut endPart: Value = Value::Null;
        if (limit == Value::Null) {
            endPart = market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null);
        }  else {
            endPart = Value::Str(format!("{}{}", Value::Str(format!("{}{}", market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null), Value::Str(":".into())).into()), self.number_to_string(limit.clone())).into());
        }
        let mut orderbook: Value = self.watch_public(Value::Str("order-books".into()), messageHash, endPart).await;
        return orderbook.limit();

    Value::Null
}

    pub fn handle_order_book(&self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        //     {
        //         "event": "ORDER_BOOK",
        //         "timestamp": 1650121915308,
        //         "datetime": "2022-04-16T15:11:55.308Z",
        //         "pair": "BTC_TWD",
        //         "limit": 5,
        //         "scale": 0,
        //         "bids": [
        //             { price: "1188178", amount: '0.0425', count: 1, total: "0.0425" },
        //         ],
        //         "asks": [
        //             {
        //                 "price": "1190740",
        //                 "amount": "0.40943964",
        //                 "count": 1,
        //                 "total": "0.40943964"
        //             },
        //         ]
        //     }
        //
        let mut marketId: Value = (match __pro_message.get("pair").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut market: Value = self.safe_market(&[marketId, Value::Null, Value::Str("_".into())]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut event: Value = (match __pro_message.get("event").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", event, Value::Str(":".into())).into()), symbol).into());
        let mut orderbook: Value = self.safe_value(self.orderbooks.clone(), symbol.clone(), &[]);
        if (orderbook == Value::Null) {
            orderbook = self.order_book(&[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
        }
        let mut timestamp: Value = self.safe_integer_k(message.clone(), "timestamp", &[]);
        let mut snapshot: Value = self.parse_order_book(message, symbol, &[timestamp, Value::Str("bids".into()), Value::Str("asks".into()), Value::Str("price".into()), Value::Str("amount".into())]);
        orderbook.reset(snapshot);
        client.resolve(&[orderbook, messageHash]);
}

/*
 * @method
 * @name bitopro#watchTrades
 * @description get the list of most recent trades for a particular symbol
 * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/public/trade_stream.md
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn watch_trades(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut since = get_arg(optional_args, 0, Value::Null);
        let mut limit = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", Value::Str("TRADE".into()), Value::Str(":".into())).into()), symbol).into());
        let mut trades: Value = self.watch_public(Value::Str("trades".into()), messageHash, market.as_map().and_then(|__m| __m.get("id")).cloned().unwrap_or(Value::Null)).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol, limit.clone());
        }
        return self.filter_by_since_limit(trades, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_trade(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "event": "TRADE",
        //         "timestamp": 1650116346665,
        //         "datetime": "2022-04-16T13:39:06.665Z",
        //         "pair": "BTC_TWD",
        //         "data": [
        //             {
        //                 "event": '',
        //                 "datetime": '',
        //                 "pair": '',
        //                 "timestamp": 1650116227,
        //                 "price": "1189429",
        //                 "amount": "0.0153127",
        //                 "isBuyer": true
        //             },
        //         ]
        //     }
        //
        let mut marketId: Value = (match message.get("pair") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut market: Value = self.safe_market(&[marketId, Value::Null, Value::Str("_".into())]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut event: Value = (match message.get("event") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", event, Value::Str(":".into())).into()), symbol).into());
        let mut rawData: Value = (match message.get("data") { Some(__v) if matches!(__v, Value::Arr(_)) => __v.clone(), _ => Value::from(vec![]) });
        let mut trades: Value = self.parse_trades(rawData, &[market]);
        let mut tradesCache: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
        if (tradesCache == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            tradesCache = ArrayCache::new(limit);
        }
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_133: bool = true;
            while { if !__for_first_133 { i = (match (&(i), &(Value::Int(1))) { (Value::Int(x), Value::Int(y)) => Value::Int(x + y), (Value::Int(x), Value::Float(y)) => Value::Float(*x as f64 + *y), (Value::Float(x), Value::Int(y)) => Value::Float(*x + *y as f64), (Value::Float(x), Value::Float(y)) => Value::Float(x + y), _ => Value::Null }); } __for_first_133 = false; i.as_f64().unwrap_or(f64::NAN) < ((trades.len() as i64) as f64) } {
            tradesCache.append(trades.as_array().and_then(|__arr| match &i { Value::Int(__n) => __arr.get(*__n as usize), Value::Str(__s) => __s.parse::<usize>().ok().and_then(|__n| __arr.get(__n)), _ => None }).cloned().unwrap_or(Value::Null));
        }
        }
        if let Value::Dict(__d) = &mut self.trades { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), tradesCache.clone()); }
        client.resolve(&[tradesCache, messageHash]);
}

/*
 * @method
 * @name bitopro#watchMyTrades
 * @description watches information on multiple trades made by the user
 * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/private/matches_stream.md
 * @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
}));
        self.check_required_credentials(&[]);
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut messageHash: Value = Value::Str("USER_TRADE".into());
        if (symbol != Value::Null) {
            let mut market: Value = self.market(symbol.clone());
            messageHash = Value::Str(format!("{}{}", Value::Str(format!("{}{}", messageHash, Value::Str(":".into())).into()), market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null)).into());
        }
        let mut url: Value = Value::Str(format!("{}{}", add(&crate::value::get_value_k(&self.urls.as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null), "private"), &Value::Str("/".into())), Value::Str("user-trades".into())).into());
        self.authenticate(url.clone());
        let mut trades: Value = self.watch(url, messageHash.clone(), &[Value::Null, messageHash.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol, limit.clone());
        }
        return self.filter_by_since_limit(trades, &[since, limit, Value::Str("timestamp".into()), Value::Bool(true)]);

    Value::Null
}

    pub fn handle_my_trade(&mut self, mut client: Value, mut message: Value) {
        let __message_empty = indexmap::IndexMap::new();
        let message = message.as_map().unwrap_or(&__message_empty);
        //
        //     {
        //         "event": "USER_TRADE",
        //         "timestamp": 1694667358782,
        //         "datetime": "2023-09-14T12:55:58.782Z",
        //         "data": {
        //             "base": "usdt",
        //             "quote": "twd",
        //             "side": "ask",
        //             "price": "32.039",
        //             "volume": "1",
        //             "fee": "6407800",
        //             "feeCurrency": "twd",
        //             "transactionTimestamp": 1694667358,
        //             "eventTimestamp": 1694667358,
        //             "orderID": 390733918,
        //             "orderType": "LIMIT",
        //             "matchID": "bd07673a-94b1-419e-b5ee-d7b723261a5d",
        //             "isMarket": false,
        //             "isMaker": false
        //         }
        //     }
        //
        let mut data: Value = (match message.get("data") { Some(__v) if matches!(__v, Value::Dict(_)) => __v.clone(), _ => Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}) });
        let mut baseId: Value = self.safe_string_k(data.clone(), "base", &[]);
        let mut quoteId: Value = self.safe_string_k(data.clone(), "quote", &[]);
        let mut base: Value = self.safe_currency_code(baseId, &[]);
        let mut quote: Value = self.safe_currency_code(quoteId, &[]);
        let mut symbol: Value = self.symbol(Value::Str(format!("{}{}", Value::Str(format!("{}{}", base, Value::Str("/".into())).into()), quote).into()));
        let mut messageHash: Value = (match message.get("event") { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s.clone()), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        if (self.myTrades.clone() == Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
            self.myTrades = ArrayCacheBySymbolById::new(limit);
        }
        let mut trades: Value = self.myTrades.clone();
        let mut parsed: Value = self.parse_ws_trade(data, &[]);
        trades.append(parsed);
        client.resolve(&[trades.clone(), messageHash.clone()]);
        client.resolve(&[trades, Value::Str(format!("{}{}", Value::Str(format!("{}{}", messageHash, Value::Str(":".into())).into()), symbol).into())]);
}

    pub fn parse_ws_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "base": "usdt",
        //         "quote": "twd",
        //         "side": "ask",
        //         "price": "32.039",
        //         "volume": "1",
        //         "fee": "6407800",
        //         "feeCurrency": "twd",
        //         "transactionTimestamp": 1694667358,
        //         "eventTimestamp": 1694667358,
        //         "orderID": 390733918,
        //         "orderType": "LIMIT",
        //         "matchID": "bd07673a-94b1-419e-b5ee-d7b723261a5d",
        //         "isMarket": false,
        //         "isMaker": false
        //     }
        //
        let mut id: Value = self.safe_string_k(trade.clone(), "matchID", &[]);
        let mut orderId: Value = self.safe_string_k(trade.clone(), "orderID", &[]);
        let mut timestamp: Value = self.safe_timestamp_k(trade.clone(), "transactionTimestamp", &[]);
        let mut baseId: Value = self.safe_string_k(trade.clone(), "base", &[]);
        let mut quoteId: Value = self.safe_string_k(trade.clone(), "quote", &[]);
        let mut base: Value = self.safe_currency_code(baseId, &[]);
        let mut quote: Value = self.safe_currency_code(quoteId, &[]);
        let mut symbol: Value = self.symbol(Value::Str(format!("{}{}", Value::Str(format!("{}{}", base, Value::Str("/".into())).into()), quote).into()));
        market = self.safe_market(&[symbol.clone(), market.clone()]);
        let mut price: Value = self.safe_string_k(trade.clone(), "price", &[]);
        let mut type_var: Value = self.safe_string_lower_k(trade.clone(), "orderType", &[]);
        let mut side: Value = self.safe_string_k(trade.clone(), "side", &[]);
        if (side != Value::Null) {
            if (side.as_str() == Some("ask")) {
                side = Value::Str("sell".into());
            }  else if (side.as_str() == Some("bid")) {
                side = Value::Str("buy".into());
            }
        }
        let mut amount: Value = self.safe_string_k(trade.clone(), "volume", &[]);
        let mut fee: Value = Value::Null;
        let mut feeAmount: Value = self.safe_string_k(trade.clone(), "fee", &[]);
        let mut feeSymbol: Value = self.safe_currency_code(self.safe_string_k(trade.clone(), "feeCurrency", &[]), &[]);
        if (feeAmount != Value::Null) {
            fee = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("cost".to_string(), feeAmount);
                    m.insert("currency".to_string(), feeSymbol);
                    m.insert("rate".to_string(), Value::Null);
                m
            });
        }
        let mut isMaker: Value = self.safe_bool_k(trade.clone(), "isMaker", &[]);
        let mut takerOrMaker: Value = Value::Null;
        if (isMaker != Value::Null) {
            if (isMaker.as_bool() == Some(true)) {
                takerOrMaker = Value::Str("maker".into());
            }  else {
                takerOrMaker = Value::Str("taker".into());
            }
        }
        return self.safe_trade(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("id".to_string(), id);
        m.insert("info".to_string(), trade);
        m.insert("order".to_string(), orderId);
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp));
        m.insert("symbol".to_string(), symbol);
        m.insert("takerOrMaker".to_string(), takerOrMaker);
        m.insert("type".to_string(), type_var);
        m.insert("side".to_string(), side);
        m.insert("price".to_string(), price);
        m.insert("amount".to_string(), amount);
        m.insert("cost".to_string(), Value::Null);
        m.insert("fee".to_string(), fee);
    m
}), &[market]);

    Value::Null
}

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

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        //     {
        //         "event": "TICKER",
        //         "timestamp": 1650119165710,
        //         "datetime": "2022-04-16T14:26:05.710Z",
        //         "pair": "BTC_TWD",
        //         "lastPrice": "1189110",
        //         "lastPriceUSD": "40919.1328",
        //         "lastPriceTWD": "1189110",
        //         "isBuyer": true,
        //         "priceChange24hr": "1.23",
        //         "volume24hr": "7.2090",
        //         "volume24hrUSD": "294985.5375",
        //         "volume24hrTWD": "8572279",
        //         "high24hr": "1193656",
        //         "low24hr": "1179321"
        //     }
        //
        let mut marketId: Value = self.safe_string_lower_k(message.clone(), "pair", &[]);
        if (marketId == Value::Null) {
            return;
        }
        // market-ids are lowercase in REST API and uppercase in WS API
        let mut market: Value = self.safe_market(&[marketId, Value::Null, Value::Str("_".into())]);
        let mut symbol: Value = market.as_map().and_then(|__m| __m.get("symbol")).cloned().unwrap_or(Value::Null);
        let mut event: Value = (match __pro_message.get("event").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut messageHash: Value = Value::Str(format!("{}{}", Value::Str(format!("{}{}", event, Value::Str(":".into())).into()), symbol).into());
        let mut result: Value = self.parse_ticker(message.clone(), &[market.clone()]);
        add_element_to_object(&mut result, &Value::Str("symbol".into()), self.safe_string_k(market, "symbol", &[])); // symbol returned from REST's parseTicker is distorted for WS, so re-set it from market object
        let mut timestamp: Value = self.safe_integer_k(message, "timestamp", &[]);
        add_element_to_object(&mut result, &Value::Str("timestamp".into()), timestamp.clone());
        add_element_to_object(&mut result, &Value::Str("datetime".into()), self.iso8601(timestamp)); // we shouldn't set "datetime" string provided by server, as those values are obviously wrong offset from UTC
        if let Value::Dict(__d) = &mut self.tickers { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&symbol), result.clone()); }
        client.resolve(&[result, messageHash]);
}

    pub fn authenticate(&mut self, mut url: Value) {
        if (self.clients.clone() != Value::Null) && (in_op(&self.clients, &url)) {
            return;
        }
        self.check_required_credentials(&[]);
        let mut nonce: Value = self.milliseconds();
        let mut rawData: Value = self.json(Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("nonce".to_string(), nonce);
                m.insert("identity".to_string(), self.login.clone());
            m
        }));
        let mut payload: Value = self.string_to_base64(rawData, &[]);
        let mut signature: Value = self.hmac(self.encode(payload.clone()), self.encode(self.secret.clone()), Value::Str("sha384".into()), &[]);
        let mut defaultOptions: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("ws".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("options".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("headers".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
    m
}));
    m
}));
            m
        });
        // this.options = this.extend (defaultOptions, this.options);
        self.extend_exchange_options(&[defaultOptions]);
        let mut originalHeaders: Value = crate::value::get_value_k(&crate::value::get_value_k(&self.options.as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null), "options"), "headers");
        let mut headers: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("X-BITOPRO-API".to_string(), Value::Str("ccxt".into()));
                m.insert("X-BITOPRO-APIKEY".to_string(), self.apiKey.clone());
                m.insert("X-BITOPRO-PAYLOAD".to_string(), payload);
                m.insert("X-BITOPRO-SIGNATURE".to_string(), signature);
            m
        });
        add_element_to_object(get_value_mut(get_value_mut(&mut self.options, &Value::Str("ws".into())), &Value::Str("options".into())), &Value::Str("headers".into()), headers);
        // instantiate client
        self.client(&[url]);
        add_element_to_object(get_value_mut(get_value_mut(&mut self.options, &Value::Str("ws".into())), &Value::Str("options".into())), &Value::Str("headers".into()), originalHeaders);
}

/*
 * @method
 * @name bitopro#watchBalance
 * @description watch balance and get the amount of funds available for trading or funds locked in orders
 * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/private/user_balance_stream.md
 * @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
}));
        self.check_required_credentials(&[]);
        if (self.markets.clone() == Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut messageHash: Value = Value::Str("ACCOUNT_BALANCE".into());
        let mut url: Value = Value::Str(format!("{}{}", add(&crate::value::get_value_k(&self.urls.as_map().and_then(|__m| __m.get("ws")).cloned().unwrap_or(Value::Null), "private"), &Value::Str("/".into())), Value::Str("account-balance".into())).into());
        self.authenticate(url.clone());
        return self.watch(url, messageHash.clone(), &[Value::Null, messageHash.clone()]).await;

    Value::Null
}

    pub fn handle_balance(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        //
        //     {
        //         "event": "ACCOUNT_BALANCE",
        //         "timestamp": 1650450505715,
        //         "datetime": "2022-04-20T10:28:25.715Z",
        //         "data": {
        //           "ADA": {
        //             "currency": "ADA",
        //             "amount": "0",
        //             "available": "0",
        //             "stake": "0",
        //             "tradable": true
        //           },
        //         }
        //     }
        //
        let mut event: Value = (match __pro_message.get("event").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut data: Value = (match __pro_message.get("data").cloned() { Some(__v) if matches!(__v, Value::Dict(_)) => __v, _ => Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}) });
        let mut timestamp: Value = self.safe_integer_k(message.clone(), "timestamp", &[]);
        let mut datetime: Value = self.safe_string_k(message, "datetime", &[]);
        let mut currencies: Value = object_keys(&data);
        let mut result: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("info".to_string(), data.clone());
                m.insert("timestamp".to_string(), timestamp);
                m.insert("datetime".to_string(), datetime);
            m
        });
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_134: bool = true;
            while { if !__for_first_134 { i = (match (&(i), &(Value::Int(1))) { (Value::Int(x), Value::Int(y)) => Value::Int(x + y), (Value::Int(x), Value::Float(y)) => Value::Float(*x as f64 + *y), (Value::Float(x), Value::Int(y)) => Value::Float(*x + *y as f64), (Value::Float(x), Value::Float(y)) => Value::Float(x + y), _ => Value::Null }); } __for_first_134 = false; i.as_f64().unwrap_or(f64::NAN) < ((currencies.len() as i64) as f64) } {
            let mut currency: Value = self.safe_string(currencies.clone(), i.clone(), &[]);
            let mut balance: Value = self.safe_dict(data.clone(), currency, &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            let mut currencyId: Value = self.safe_string_k(balance.clone(), "currency", &[]);
            let mut code: Value = self.safe_currency_code(currencyId, &[]);
            let mut account: Value = self.account();
            if let Value::Dict(__d) = &mut account { std::sync::Arc::make_mut(__d).insert("free".into(), self.safe_string_k(balance.clone(), "available", &[])); }
            if let Value::Dict(__d) = &mut account { std::sync::Arc::make_mut(__d).insert("total".into(), self.safe_string_k(balance.clone(), "amount", &[])); }
            if (code != Value::Null) {
                if let Value::Dict(__d) = &mut result { std::sync::Arc::make_mut(__d).insert(crate::runtime::stringify_param(&code), account); }
            }
        }
        }
        { let __t = self.safe_balance(result); self.balance = __t; }
        client.resolve(&[self.balance.clone(), event]);
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        let __pro_message_arc: std::sync::Arc<indexmap::IndexMap<String, Value>> = (match &message { Value::Dict(__d) => __d.clone(), _ => std::sync::Arc::new(indexmap::IndexMap::new()) });
        let __pro_message: &indexmap::IndexMap<String, Value> = &__pro_message_arc;
        let mut methods: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("TRADE".to_string(), Value::Str("handle_trade".into()).clone());
                m.insert("TICKER".to_string(), Value::Str("handle_ticker".into()).clone());
                m.insert("ORDER_BOOK".to_string(), Value::Str("handle_order_book".into()).clone());
                m.insert("ACCOUNT_BALANCE".to_string(), Value::Str("handle_balance".into()).clone());
                m.insert("USER_TRADE".to_string(), Value::Str("handle_my_trade".into()).clone());
            m
        });
        let mut event: Value = (match __pro_message.get("event").cloned() { Some(Value::Str(__s)) if !__s.is_empty() => Value::Str(__s), Some(Value::Int(__n)) => Value::Str(__n.to_string().into()), Some(Value::Float(__f)) => Value::Str(__f.to_string().into()), _ => Value::Null });
        let mut method: Value = self.safe_value(methods, event, &[]);
        if (method != Value::Null) {
            self.dispatch_ws_handler(&method, &[client, message]);
        }
}
}