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 CoinbaseexchangeCore {
    pub parent: crate::exchanges::coinbaseexchange::CoinbaseexchangeCore,
}

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

    pub fn init(&mut self) {
        let described = CoinbaseexchangeCore::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 CoinbaseexchangeCore {
    fn nonce(&self, ) -> crate::Value {
        crate::exchange::DerivedExchange::nonce(&self.parent)
    }
    fn parse_ticker(&self, ticker: crate::Value, market: crate::Value) -> crate::Value {
        // Forward to the inherent method on CoinbaseexchangeCore.
        CoinbaseexchangeCore::parse_ticker(self, ticker, &[market.clone()])
    }
    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 CoinbaseexchangeCore {
    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(),
                "handle_error_message" => self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_message" => { self.handle_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
                "handle_my_trade" => self.handle_my_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_subscription_status" => self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
                "handle_ticker" => self.handle_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(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)),
                "parse_ticker" => self.parse_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "parse_ws_order_status" => self.parse_ws_order_status(args.get(0).cloned().unwrap_or(crate::Value::Null)),
                "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
                "subscribe" => self.subscribe(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "subscribe_multiple" => self.subscribe_multiple(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_my_trades_for_symbols" => self.watch_my_trades_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_order_book" => self.watch_order_book(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_order_book_for_symbols" => self.watch_order_book_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_orders" => self.watch_orders(&args.get(0..).unwrap_or(&[]).to_vec()[..]).await,
                "watch_orders_for_symbols" => self.watch_orders_for_symbols(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).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 CoinbaseexchangeCore {
    /// 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" => self.authenticate(),
            "handle_delta" => { self.handle_delta(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_deltas" => { self.handle_deltas(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)); crate::Value::Null },
            "handle_error_message" => self.handle_error_message(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_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)),
            "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_subscription_status" => self.handle_subscription_status(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_ticker" => self.handle_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "handle_trade" => self.handle_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), args.get(1).cloned().unwrap_or(crate::Value::Null)),
            "parse_ticker" => self.parse_ticker(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_order" => self.parse_ws_order(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "parse_ws_order_status" => self.parse_ws_order_status(args.get(0).cloned().unwrap_or(crate::Value::Null)),
            "parse_ws_trade" => self.parse_ws_trade(args.get(0).cloned().unwrap_or(crate::Value::Null), &args.get(1..).unwrap_or(&[]).to_vec()[..]),
            "subscribe" => { crate::exchange_stubs::enqueue_spawn("subscribe", args.to_vec()); crate::Value::Null },
            "subscribe_multiple" => { crate::exchange_stubs::enqueue_spawn("subscribe_multiple", args.to_vec()); crate::Value::Null },
            "watch_my_trades" => { crate::exchange_stubs::enqueue_spawn("watch_my_trades", args.to_vec()); crate::Value::Null },
            "watch_my_trades_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_my_trades_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_order_book" => { crate::exchange_stubs::enqueue_spawn("watch_order_book", args.to_vec()); crate::Value::Null },
            "watch_order_book_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_order_book_for_symbols", args.to_vec()); crate::Value::Null },
            "watch_orders" => { crate::exchange_stubs::enqueue_spawn("watch_orders", args.to_vec()); crate::Value::Null },
            "watch_orders_for_symbols" => { crate::exchange_stubs::enqueue_spawn("watch_orders_for_symbols", 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 CoinbaseexchangeCore {
    type Target = crate::exchange::Exchange;
    fn deref(&self) -> &crate::exchange::Exchange { std::ops::Deref::deref(&self.parent) }
}

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

impl CoinbaseexchangeCore {
    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("watchOHLCV".to_string(), Value::Bool(false));
        m.insert("watchOrderBook".to_string(), Value::Bool(true));
        m.insert("watchOrderBookForSymbols".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("watchMyTradesForSymbols".to_string(), Value::Bool(true));
        m.insert("watchBalance".to_string(), Value::Bool(false));
        m.insert("watchStatus".to_string(), Value::Bool(false));
        m.insert("watchOrders".to_string(), Value::Bool(true));
        m.insert("watchOrdersForSymbols".to_string(), Value::Bool(true));
        m.insert("watchMyTrades".to_string(), Value::Bool(true));
    m
}));
        m.insert("urls".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("api".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://ws-feed.exchange.coinbase.com".to_string()));
    m
}));
        m.insert("test".to_string(), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("ws".to_string(), Value::Str("wss://ws-feed-public.sandbox.exchange.coinbase.com".to_string()));
    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("ordersLimit".to_string(), Value::Int(1000));
        m.insert("myTradesLimit".to_string(), Value::Int(1000));
    m
}));
    m
})]);

    Value::Null
}

    pub fn authenticate(&self) -> Value {
        self.check_required_credentials(&[]);
        let mut path: Value = Value::Str("/users/self/verify".to_string());
        let mut nonce: Value = self.nonce();
        let mut payload: Value = add(&add(&to_string_val(&nonce), &Value::Str("GET".to_string())), &path);
        let mut signature: Value = self.hmac(self.encode(payload.clone()), self.base64_to_binary(self.secret.clone(), &[]), Value::Str("sha256".to_string()), &[Value::Str("base64".to_string())]);
        return Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("timestamp".to_string(), nonce.clone());
        m.insert("key".to_string(), self.apiKey.clone());
        m.insert("signature".to_string(), signature.clone());
        m.insert("passphrase".to_string(), self.password.clone());
    m
});

    Value::Null
}

    pub async fn subscribe(&mut self, mut name: Value, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut messageHashStart = 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 = Value::Null;
        let mut messageHash: Value = messageHashStart.clone();
        let mut productIds: Value = Value::List(vec![]);
        if !is_equal(&symbol, &Value::Null) {
            market = self.market(symbol.clone());
            messageHash = add(&messageHash, &add(&Value::Str(":".to_string()), &get_value(&market, &Value::Str("id".to_string()))));
            append_to_array(&mut productIds, get_value(&market, &Value::Str("id".to_string())));
        }
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        if is_true(&Value::Bool(in_op(&params, &Value::Str("signature".to_string())))) {
            // need to distinguish between public trades and user trades
            url = add(&url, &Value::Str("?".to_string()));
        }
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("type".to_string(), Value::Str("subscribe".to_string()));
                m.insert("product_ids".to_string(), productIds.clone());
                m.insert("channels".to_string(), Value::List(vec![name.clone()]));
            m
        });
        let mut request: Value = self.extend(subscribe.clone(), &[params.clone()]);
        return self.watch(url.clone(), messageHash.clone(), &[request.clone(), messageHash.clone()]).await;

    Value::Null
}

    pub async fn subscribe_multiple(&mut self, mut name: Value, optional_args: &[Value]) -> Value {
        let mut symbols = get_arg(optional_args, 0, Value::List(vec![]));
        let mut messageHashStart = 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 = Value::Null;
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut messageHashes: Value = Value::List(vec![]);
        let mut productIds: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_259: bool = true;
            while { if !__for_first_259 { i = add(&i, &Value::Int(1)); } __for_first_259 = 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);
            market = self.market(symbol.clone());
            append_to_array(&mut productIds, get_value(&market, &Value::Str("id".to_string())));
            append_to_array(&mut messageHashes, add(&add(&messageHashStart, &Value::Str(":".to_string())), &get_value(&market, &Value::Str("symbol".to_string()))));
        }
        }
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        if is_true(&Value::Bool(in_op(&params, &Value::Str("signature".to_string())))) {
            // need to distinguish between public trades and user trades
            url = add(&url, &Value::Str("?".to_string()));
        }
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("type".to_string(), Value::Str("subscribe".to_string()));
                m.insert("product_ids".to_string(), productIds.clone());
                m.insert("channels".to_string(), Value::List(vec![name.clone()]));
            m
        });
        let mut request: Value = self.extend(subscribe.clone(), &[params.clone()]);
        return self.watch_multiple(url.clone(), messageHashes.clone(), &[request.clone(), messageHashes.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchTicker
 * @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
}));
        let mut name: Value = Value::Str("ticker".to_string());
        return self.subscribe(name.clone(), &[symbol.clone(), name.clone(), params.clone()]).await;

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchTickers
 * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list
 * @param {string[]} [symbols] unified symbol of the market to fetch the ticker for
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @param {string} [params.channel] the channel to subscribe to, tickers by default. Can be tickers, sprd-tickers, index-tickers, block-tickers
 * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/?id=ticker-structure}
 */
    pub async fn watch_tickers(&mut self, optional_args: &[Value]) -> Value {
        let mut symbols = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        if is_equal(&symbols, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchTickers() symbols is required".to_string()))));
        }
        let mut symbolsLength: Value = get_array_length(&symbols);
        if is_equal(&symbolsLength, &Value::Int(0)) {
            panic!("{}", crate::exchange_errors::bad_symbol(add(&self.id, &Value::Str(" watchTickers requires a non-empty symbols array".to_string()))));
        }
        let mut channel: Value = Value::Str("ticker".to_string());
        let mut messageHash: Value = Value::Str("ticker".to_string());
        let mut ticker: Value = self.subscribe_multiple(channel.clone(), &[symbols.clone(), messageHash.clone(), params.clone()]).await;
        if is_true(&self.newUpdates) {
            let mut result: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            });
            add_element_to_object(&mut result, &get_value(&ticker, &Value::Str("symbol".to_string())), ticker.clone());
            return result;
        }
        return self.filter_by_array(self.tickers.clone(), Value::Str("symbol".to_string()), &[symbols.clone()]);

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchTrades
 * @description get the list of most recent trades for a particular symbol
 * @param {string} symbol unified symbol of the market to fetch trades for
 * @param {int} [since] timestamp in ms of the earliest trade to fetch
 * @param {int} [limit] the maximum amount of trades to fetch
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=public-trades}
 */
    pub async fn watch_trades(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut since = get_arg(optional_args, 0, Value::Null);
        let mut limit = get_arg(optional_args, 1, Value::Null);
        let mut params = get_arg(optional_args, 2, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbol = self.symbol(symbol.clone());
        let mut name: Value = Value::Str("matches".to_string());
        let mut trades: Value = self.subscribe(name.clone(), &[symbol.clone(), name.clone(), params.clone()]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(trades.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchTradesForSymbols
 * @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
}));
        let mut symbolsLength: Value = get_array_length(&symbols);
        if is_equal(&symbolsLength, &Value::Int(0)) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" watchTradesForSymbols() requires a non-empty array of symbols".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbols = self.market_symbols(&[symbols.clone()]);
        let mut name: Value = Value::Str("matches".to_string());
        let mut trades: Value = self.subscribe_multiple(name.clone(), &[symbols.clone(), name.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 coinbaseexchange#watchMyTrades
 * @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(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::arguments_required(add(&self.id, &Value::Str(" watchMyTrades() requires a symbol argument".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbol = self.symbol(symbol.clone());
        let mut name: Value = Value::Str("user".to_string());
        let mut messageHash: Value = Value::Str("myTrades".to_string());
        let mut authentication: Value = self.authenticate();
        let __ws_arg_0 = self.extend(params.clone(), &[authentication.clone()]);
        let mut trades: Value = self.subscribe(name.clone(), &[symbol.clone(), messageHash.clone(), __ws_arg_0]).await;
        if is_true(&self.newUpdates) {
            limit = trades.get_limit(symbol.clone(), limit.clone());
        }
        return self.filter_by_since_limit(trades.clone(), &[since.clone(), limit.clone(), Value::Str("timestamp".to_string()), Value::Bool(true)]);

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchMyTradesForSymbols
 * @description watches information on multiple trades made by the user
 * @param {string[]} symbols unified symbol of the market to fetch trades for
 * @param {int} [since] the earliest time in ms to fetch trades for
 * @param {int} [limit] the maximum number of trade structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/?id=trade-structure}
 */
    pub async fn watch_my_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
}));
        symbols = self.market_symbols(&[symbols.clone(), Value::Null, Value::Bool(false)]);
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut name: Value = Value::Str("user".to_string());
        let mut messageHash: Value = Value::Str("myTrades".to_string());
        let mut authentication: Value = self.authenticate();
        let __ws_arg_1 = self.extend(params.clone(), &[authentication.clone()]);
        let mut trades: Value = self.subscribe_multiple(name.clone(), &[symbols.clone(), messageHash.clone(), __ws_arg_1]).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 coinbaseexchange#watchOrdersForSymbols
 * @description watches information on multiple orders made by the user
 * @param {string[]} symbols unified symbol of the market to fetch orders for
 * @param {int} [since] the earliest time in ms to fetch orders 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 [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn watch_orders_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(false)]);
        let mut name: Value = Value::Str("user".to_string());
        let mut messageHash: Value = Value::Str("orders".to_string());
        let mut authentication: Value = self.authenticate();
        let __ws_arg_2 = self.extend(params.clone(), &[authentication.clone()]);
        let mut orders: Value = self.subscribe_multiple(name.clone(), &[symbols.clone(), messageHash.clone(), __ws_arg_2]).await;
        if is_true(&self.newUpdates) {
            let mut first: Value = self.safe_value(orders.clone(), Value::Int(0), &[]);
            let mut tradeSymbol: Value = self.safe_string_k(first.clone(), "symbol", &[]);
            limit = orders.get_limit(tradeSymbol.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
}

/*
 * @method
 * @name coinbaseexchange#watchOrders
 * @description watches information on multiple orders made by the user
 * @param {string} symbol unified market symbol of the market orders were made in
 * @param {int} [since] the earliest time in ms to fetch orders for
 * @param {int} [limit] the maximum number of order structures to retrieve
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/?id=order-structure}
 */
    pub async fn watch_orders(&mut self, optional_args: &[Value]) -> Value {
        let mut symbol = get_arg(optional_args, 0, Value::Null);
        let mut since = get_arg(optional_args, 1, Value::Null);
        let mut limit = get_arg(optional_args, 2, Value::Null);
        let mut params = get_arg(optional_args, 3, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        if is_equal(&symbol, &Value::Null) {
            panic!("{}", crate::exchange_errors::bad_symbol(add(&self.id, &Value::Str(" watchMyTrades requires a symbol".to_string()))));
        }
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        symbol = self.symbol(symbol.clone());
        let mut name: Value = Value::Str("user".to_string());
        let mut messageHash: Value = Value::Str("orders".to_string());
        let mut authentication: Value = self.authenticate();
        let __ws_arg_3 = self.extend(params.clone(), &[authentication.clone()]);
        let mut orders: Value = self.subscribe(name.clone(), &[symbol.clone(), messageHash.clone(), __ws_arg_3]).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
}

/*
 * @method
 * @name coinbaseexchange#watchOrderBookForSymbols
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string[]} symbols unified array of symbols
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order book structure]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn watch_order_book_for_symbols(&mut self, mut symbols: Value, optional_args: &[Value]) -> Value {
        let mut limit = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut symbolsLength: Value = get_array_length(&symbols);
        if is_equal(&symbolsLength, &Value::Int(0)) {
            panic!("{}", crate::exchange_errors::bad_request(add(&self.id, &Value::Str(" watchOrderBookForSymbols() requires a non-empty array of symbols".to_string()))));
        }
        let mut name: Value = Value::Str("level2".to_string());
        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 messageHashes: Value = Value::List(vec![]);
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_260: bool = true;
            while { if !__for_first_260 { i = add(&i, &Value::Int(1)); } __for_first_260 = false; is_less_than(&i, &symbolsLength) } {
            let mut marketId: Value = get_value(&marketIds, &i);
            let mut marketId: Value = get_value(&marketIds, &i);
            append_to_array(&mut messageHashes, add(&add(&name, &Value::Str(":".to_string())), &marketId));
        }
        }
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("type".to_string(), Value::Str("subscribe".to_string()));
                m.insert("product_ids".to_string(), marketIds.clone());
                m.insert("channels".to_string(), Value::List(vec![name.clone()]));
            m
        });
        let mut request: Value = self.extend(subscribe.clone(), &[params.clone()]);
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("messageHash".to_string(), name.clone());
                m.insert("symbols".to_string(), symbols.clone());
                m.insert("marketIds".to_string(), marketIds.clone());
                m.insert("limit".to_string(), limit.clone());
            m
        });
        let mut authentication: Value = self.authenticate();
        let __ws_arg_4 = self.extend(request.clone(), &[authentication.clone()]);
        let mut orderbook: Value = self.watch_multiple(url.clone(), messageHashes.clone(), &[__ws_arg_4, messageHashes.clone(), subscription.clone()]).await;
        return orderbook.limit();

    Value::Null
}

/*
 * @method
 * @name coinbaseexchange#watchOrderBook
 * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
 * @param {string} symbol unified symbol of the market to fetch the order book for
 * @param {int} [limit] the maximum amount of order book entries to return
 * @param {object} [params] extra parameters specific to the exchange API endpoint
 * @returns {object} an [order book structure]{@link https://docs.ccxt.com/?id=order-book-structure}
 */
    pub async fn watch_order_book(&mut self, mut symbol: Value, optional_args: &[Value]) -> Value {
        let mut limit = get_arg(optional_args, 0, Value::Null);
        let mut params = get_arg(optional_args, 1, Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}));
        let mut name: Value = Value::Str("level2".to_string());
        if is_equal(&self.markets, &Value::Null) {
            self.load_markets(&[]).await;
        }
        let mut market: Value = self.market(symbol.clone());
        symbol = get_value(&market, &Value::Str("symbol".to_string()));
        let mut messageHash: Value = add(&add(&name, &Value::Str(":".to_string())), &get_value(&market, &Value::Str("id".to_string())));
        let mut url: Value = get_value(&get_value(&self.urls, &Value::Str("api".to_string())), &Value::Str("ws".to_string()));
        let mut subscribe: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("type".to_string(), Value::Str("subscribe".to_string()));
                m.insert("product_ids".to_string(), Value::List(vec![get_value(&market, &Value::Str("id".to_string()))]));
                m.insert("channels".to_string(), Value::List(vec![name.clone()]));
            m
        });
        let mut request: Value = self.extend(subscribe.clone(), &[params.clone()]);
        let mut subscription: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("messageHash".to_string(), messageHash.clone());
                m.insert("symbol".to_string(), symbol.clone());
                m.insert("marketId".to_string(), get_value(&market, &Value::Str("id".to_string())));
                m.insert("limit".to_string(), limit.clone());
            m
        });
        let mut authentication: Value = self.authenticate();
        let __ws_arg_5 = self.extend(request.clone(), &[authentication.clone()]);
        let mut orderbook: Value = self.watch(url.clone(), messageHash.clone(), &[__ws_arg_5, messageHash.clone(), subscription.clone()]).await;
        return orderbook.limit();

    Value::Null
}

    pub fn handle_trade(&mut self, mut client: Value, mut message: Value) -> Value {
        //
        //     {
        //         "type": "match",
        //         "trade_id": 82047307,
        //         "maker_order_id": "0f358725-2134-435e-be11-753912a326e0",
        //         "taker_order_id": "252b7002-87a3-425c-ac73-f5b9e23f3caf",
        //         "side": "sell",
        //         "size": "0.00513192",
        //         "price": "9314.78",
        //         "product_id": "BTC-USD",
        //         "sequence": 12038915443,
        //         "time": "2020-01-31T20:03:41.158814Z"
        //     }
        //
        let mut marketId: Value = self.safe_string_k(message.clone(), "product_id", &[]);
        if !is_equal(&marketId, &Value::Null) {
            let mut trade: Value = self.parse_ws_trade(message.clone(), &[]);
            let mut symbol: Value = get_value(&trade, &Value::Str("symbol".to_string()));
            // the exchange sends type = 'match'
            // but requires 'matches' upon subscribing
            // therefore we resolve 'matches' here instead of 'match'
            let mut type_var: Value = Value::Str("matches".to_string());
            let mut messageHash: Value = add(&add(&type_var, &Value::Str(":".to_string())), &marketId);
            let mut tradesArray: Value = self.safe_value(self.trades.clone(), symbol.clone(), &[]);
            if is_equal(&tradesArray, &Value::Null) {
                let mut tradesLimit: Value = self.safe_integer_k(self.options.clone(), "tradesLimit", &[Value::Int(1000)]);
                tradesArray = ArrayCache::new(tradesLimit.clone());
                if !is_equal(&symbol, &Value::Null) {
                    add_element_to_object(&mut self.trades, &symbol, tradesArray.clone());
                }
            }
            tradesArray.append(trade.clone());
            client.resolve(&[tradesArray.clone(), messageHash.clone()]);
        }
        return message;

    Value::Null
}

    pub fn handle_my_trade(&mut self, mut client: Value, mut message: Value) -> Value {
        let mut marketId: Value = self.safe_string_k(message.clone(), "product_id", &[]);
        if !is_equal(&marketId, &Value::Null) {
            let mut trade: Value = self.parse_ws_trade(message.clone(), &[]);
            let mut type_var: Value = Value::Str("myTrades".to_string());
            let mut messageHash: Value = add(&add(&type_var, &Value::Str(":".to_string())), &marketId);
            let mut tradesArray: Value = self.myTrades.clone();
            if is_equal(&tradesArray, &Value::Null) {
                let mut limit: Value = self.safe_integer_k(self.options.clone(), "myTradesLimit", &[Value::Int(1000)]);
                tradesArray = ArrayCacheBySymbolById::new(limit.clone());
                self.myTrades = tradesArray.clone();
            }
            tradesArray.append(trade.clone());
            client.resolve(&[tradesArray.clone(), messageHash.clone()]);
        }
        return message;

    Value::Null
}

    pub fn parse_ws_trade(&self, mut trade: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        // private trades
        // {
        //     "type": "match",
        //     "trade_id": 10,
        //     "sequence": 50,
        //     "maker_order_id": "ac928c66-ca53-498f-9c13-a110027a60e8",
        //     "taker_order_id": "132fb6ae-456b-4654-b4e0-d681ac05cea1",
        //     "time": "2014-11-07T08:19:27.028459Z",
        //     "product_id": "BTC-USD",
        //     "size": "5.23512",
        //     "price": "400.23",
        //     "side": "sell",
        //     "taker_user_id: "5844eceecf7e803e259d0365",
        //     "user_id": "5844eceecf7e803e259d0365",
        //     "taker_profile_id": "765d1549-9660-4be2-97d4-fa2d65fa3352",
        //     "profile_id": "765d1549-9660-4be2-97d4-fa2d65fa3352",
        //     "taker_fee_rate": "0.005"
        // }
        //
        // {
        //     "type": "match",
        //     "trade_id": 10,
        //     "sequence": 50,
        //     "maker_order_id": "ac928c66-ca53-498f-9c13-a110027a60e8",
        //     "taker_order_id": "132fb6ae-456b-4654-b4e0-d681ac05cea1",
        //     "time": "2014-11-07T08:19:27.028459Z",
        //     "product_id": "BTC-USD",
        //     "size": "5.23512",
        //     "price": "400.23",
        //     "side": "sell",
        //     "maker_user_id: "5844eceecf7e803e259d0365",
        //     "maker_id": "5844eceecf7e803e259d0365",
        //     "maker_profile_id": "765d1549-9660-4be2-97d4-fa2d65fa3352",
        //     "profile_id": "765d1549-9660-4be2-97d4-fa2d65fa3352",
        //     "maker_fee_rate": "0.001"
        // }
        //
        // public trades
        // {
        //     "type": "received",
        //     "time": "2014-11-07T08:19:27.028459Z",
        //     "product_id": "BTC-USD",
        //     "sequence": 10,
        //     "order_id": "d50ec984-77a8-460a-b958-66f114b0de9b",
        //     "size": "1.34",
        //     "price": "502.1",
        //     "side": "buy",
        //     "order_type": "limit"
        // }
        let mut parsed: Value = self.parent.parse_trade(trade.clone(), &[]);
        let mut feeRate: Value = Value::Null;
        let mut isMaker: bool = false;
        if is_true(&Value::Bool(in_op(&trade, &Value::Str("maker_fee_rate".to_string())))) {
            isMaker = true;
            add_element_to_object(&mut parsed, &Value::Str("takerOrMaker".to_string()), Value::Str("maker".to_string()));
            feeRate = self.safe_string_k(trade.clone(), "maker_fee_rate", &[]);
        }  else {
            add_element_to_object(&mut parsed, &Value::Str("takerOrMaker".to_string()), Value::Str("taker".to_string()));
            feeRate = self.safe_string_k(trade.clone(), "taker_fee_rate", &[]);
            // side always represents the maker side of the trade
            // so if we're taker, we invert it
            let mut currentSide: Value = get_value(&parsed, &Value::Str("side".to_string()));
            add_element_to_object(&mut parsed, &Value::Str("side".to_string()), self.safe_string(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("buy".to_string(), Value::Str("sell".to_string()));
        m.insert("sell".to_string(), Value::Str("buy".to_string()));
    m
}), currentSide.clone(), &[currentSide.clone()]));
        }
        let mut idKey: Value = ternary(is_true(&isMaker), Value::Str("maker_order_id".to_string()), Value::Str("taker_order_id".to_string()));
        add_element_to_object(&mut parsed, &Value::Str("order".to_string()), self.safe_string(trade.clone(), idKey.clone(), &[]));
        market = self.market(get_value(&parsed, &Value::Str("symbol".to_string())));
        let mut feeCurrency: Value = get_value(&market, &Value::Str("quote".to_string()));
        let mut feeCost: Value = Value::Null;
        if is_true(&(!is_equal(&get_value(&parsed, &Value::Str("cost".to_string())), &Value::Null))) && is_true(&(!is_equal(&feeRate, &Value::Null))) {
            let mut cost: Value = self.safe_string_k(parsed.clone(), "cost", &[]);
            feeCost = crate::precise::Precise::stringMul(&cost, &feeRate);
        }
        add_element_to_object(&mut parsed, &Value::Str("fee".to_string()), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("rate".to_string(), self.parse_number(feeRate.clone(), &[]));
        m.insert("cost".to_string(), self.parse_number(feeCost.clone(), &[]));
        m.insert("currency".to_string(), feeCurrency.clone());
    m
}));
        return parsed;

    Value::Null
}

    pub fn parse_ws_order_status(&self, mut status: Value) -> Value {
        let mut statuses: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("filled".to_string(), Value::Str("closed".to_string()));
                m.insert("canceled".to_string(), Value::Str("canceled".to_string()));
            m
        });
        return self.safe_string(statuses.clone(), status.clone(), &[Value::Str("open".to_string())]);

    Value::Null
}

    pub fn handle_order(&mut self, mut client: Value, mut message: Value) {
        //
        // Order is created
        //
        //     {
        //         "type": "received",
        //         "side": "sell",
        //         "product_id": "BTC-USDC",
        //         "time": "2021-03-05T16:42:21.878177Z",
        //         "sequence": 5641953814,
        //         "profile_id": "774ee0ce-fdda-405f-aa8d-47189a14ba0a",
        //         "user_id": "54fc141576dcf32596000133",
        //         "order_id": "11838707-bf9c-4d65-8cec-b57c9a7cab42",
        //         "order_type": "limit",
        //         "size": "0.0001",
        //         "price": "50000",
        //         "client_oid": "a317abb9-2b30-4370-ebfe-0deecb300180"
        //     }
        //
        //     {
        //         "type": "received",
        //         "time": "2014-11-09T08:19:27.028459Z",
        //         "product_id": "BTC-USD",
        //         "sequence": 12,
        //         "order_id": "dddec984-77a8-460a-b958-66f114b0de9b",
        //         "funds": "3000.234",
        //         "side": "buy",
        //         "order_type": "market"
        //     }
        //
        // Order is on the order book
        //
        //     {
        //         "type": "open",
        //         "side": "sell",
        //         "product_id": "BTC-USDC",
        //         "time": "2021-03-05T16:42:21.878177Z",
        //         "sequence": 5641953815,
        //         "profile_id": "774ee0ce-fdda-405f-aa8d-47189a14ba0a",
        //         "user_id": "54fc141576dcf32596000133",
        //         "price": "50000",
        //         "order_id": "11838707-bf9c-4d65-8cec-b57c9a7cab42",
        //         "remaining_size": "0.0001"
        //     }
        //
        // Order is partially or completely filled
        //
        //     {
        //         "type": "match",
        //         "side": "sell",
        //         "product_id": "BTC-USDC",
        //         "time": "2021-03-05T16:37:13.396107Z",
        //         "sequence": 5641897876,
        //         "profile_id": "774ee0ce-fdda-405f-aa8d-47189a14ba0a",
        //         "user_id": "54fc141576dcf32596000133",
        //         "trade_id": 5455505,
        //         "maker_order_id": "e5f5754d-70a3-4346-95a6-209bcb503629",
        //         "taker_order_id": "88bf7086-7b15-40ff-8b19-ab4e08516d69",
        //         "size": "0.00021019",
        //         "price": "47338.46",
        //         "taker_profile_id": "774ee0ce-fdda-405f-aa8d-47189a14ba0a",
        //         "taker_user_id": "54fc141576dcf32596000133",
        //         "taker_fee_rate": "0.005"
        //     }
        //
        // Order is canceled / closed
        //
        //     {
        //         "type": "done",
        //         "side": "buy",
        //         "product_id": "BTC-USDC",
        //         "time": "2021-03-05T16:37:13.396107Z",
        //         "sequence": 5641897877,
        //         "profile_id": "774ee0ce-fdda-405f-aa8d-47189a14ba0a",
        //         "user_id": "54fc141576dcf32596000133",
        //         "order_id": "88bf7086-7b15-40ff-8b19-ab4e08516d69",
        //         "reason": "filled"
        //     }
        //
        let mut currentOrders: Value = self.orders.clone();
        if is_equal(&currentOrders, &Value::Null) {
            let mut limit: Value = self.safe_integer_k(self.options.clone(), "ordersLimit", &[Value::Int(1000)]);
            currentOrders = ArrayCacheBySymbolById::new(limit.clone());
            self.orders = currentOrders.clone();
        }
        let mut type_var: Value = self.safe_string_k(message.clone(), "type", &[]);
        let mut marketId: Value = self.safe_string_k(message.clone(), "product_id", &[]);
        if !is_equal(&marketId, &Value::Null) {
            let mut messageHash: Value = add(&Value::Str("orders:".to_string()), &marketId);
            let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
            let mut orderId: Value = self.safe_string_k(message.clone(), "order_id", &[]);
            let mut makerOrderId: Value = self.safe_string_k(message.clone(), "maker_order_id", &[]);
            let mut takerOrderId: Value = self.safe_string_k(message.clone(), "taker_order_id", &[]);
            let mut orders: Value = self.orders.clone();
            if is_equal(&orders, &Value::Null) {
                return;
            }
            let mut previousOrders: Value = self.safe_value(orders.hashmap(), symbol.clone(), &[Value::Map({
                let mut m = indexmap::IndexMap::new();
                m
            })]);
            let mut previousOrder: Value = self.safe_value(previousOrders.clone(), orderId.clone(), &[]);
            if is_equal(&previousOrder, &Value::Null) {
                previousOrder = self.safe_value2(previousOrders.clone(), makerOrderId.clone(), takerOrderId.clone(), &[]);
            }
            if is_equal(&previousOrder, &Value::Null) {
                let mut parsed: Value = self.parse_ws_order(message.clone(), &[]);
                orders.append(parsed.clone());
                client.resolve(&[orders.clone(), messageHash.clone()]);
            }  else {
                let mut sequence: Value = self.safe_integer_k(message.clone(), "sequence", &[]);
                if is_equal(&sequence, &Value::Null) {
                    return;
                }
                let mut previousInfo: Value = self.safe_value_k(previousOrder.clone(), "info", &[Value::Map({
                    let mut m = indexmap::IndexMap::new();
                    m
                })]);
                let mut previousSequence: Value = self.safe_integer_k(previousInfo.clone(), "sequence", &[]);
                if is_true(&(is_equal(&previousSequence, &Value::Null))) || is_true(&(is_greater_than(&sequence, &previousSequence))) {
                    if is_equal(&type_var, &Value::Str("match".to_string())) {
                        let mut trade: Value = self.parse_ws_trade(message.clone(), &[]);
                        if is_equal(&get_value(&previousOrder, &Value::Str("trades".to_string())), &Value::Null) {
                            add_element_to_object(&mut previousOrder, &Value::Str("trades".to_string()), Value::List(vec![]));
                        }
                        crate::runtime::append_to_object_array(&mut previousOrder, &Value::Str("trades".to_string()), trade.clone());
                        add_element_to_object(&mut previousOrder, &Value::Str("lastTradeTimestamp".to_string()), get_value(&trade, &Value::Str("timestamp".to_string())));
                        let mut totalCost: Value = Value::Str("0".to_string());
                        let mut totalAmount: Value = Value::Str("0".to_string());
                        let mut trades: Value = get_value(&previousOrder, &Value::Str("trades".to_string()));
                        {
                                                        let mut i: Value = Value::Int(0);
                            let mut __for_first_261: bool = true;
                            while { if !__for_first_261 { i = add(&i, &Value::Int(1)); } __for_first_261 = false; is_less_than(&i, &get_array_length(&trades)) } {
                            let mut tradeEntry: Value = get_value(&trades, &i);
                            let mut tradeEntry: Value = get_value(&trades, &i);
                            totalCost = self.safe_string_k(tradeEntry.clone(), "cost", &[Value::Str("0".to_string())]);
                            totalAmount = self.safe_string_k(tradeEntry.clone(), "amount", &[Value::Str("0".to_string())]);
                        }
                        }
                        if !is_true(&crate::precise::Precise::stringEq(&totalAmount, &Value::Str("0".to_string()))) {
                            add_element_to_object(&mut previousOrder, &Value::Str("average".to_string()), self.parse_number(crate::precise::Precise::stringDiv(&totalCost, &totalAmount), &[]));
                        }
                        add_element_to_object(&mut previousOrder, &Value::Str("cost".to_string()), self.parse_number(totalCost.clone(), &[]));
                        let mut previousOrderFilled: Value = self.safe_string_k(previousOrder.clone(), "filled", &[]);
                        if !is_equal(&previousOrderFilled, &Value::Null) {
                            add_element_to_object(&mut previousOrder, &Value::Str("filled".to_string()), self.parse_number(crate::precise::Precise::stringAdd(&previousOrderFilled, &self.safe_string_k(trade.clone(), "amount", &[])), &[]));
                            if !is_equal(&get_value(&previousOrder, &Value::Str("amount".to_string())), &Value::Null) {
                                { let __be_tmp = self.parse_number(crate::precise::Precise::stringSub(&self.safe_string_k(previousOrder.clone(), "amount", &[]), &self.safe_string_k(previousOrder.clone(), "filled", &[])), &[]); add_element_to_object(&mut previousOrder, &Value::Str("remaining".to_string()), __be_tmp); };
                            }
                        }
                        if is_equal(&get_value(&previousOrder, &Value::Str("fee".to_string())), &Value::Null) {
                            add_element_to_object(&mut previousOrder, &Value::Str("fee".to_string()), Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("cost".to_string(), Value::Int(0));
        m.insert("currency".to_string(), self.safe_string(get_value(&trade, &Value::Str("fee".to_string())), Value::Str("currency".to_string()), &[]));
    m
}));
                        }
                        if is_true(&(!is_equal(&get_value(&get_value(&previousOrder, &Value::Str("fee".to_string())), &Value::Str("cost".to_string())), &Value::Null))) && is_true(&(!is_equal(&self.safe_number(get_value(&trade, &Value::Str("fee".to_string())), Value::Str("cost".to_string()), &[]), &Value::Null))) {
                            { let __be_tmp = self.sum(&[get_value(&get_value(&previousOrder, &Value::Str("fee".to_string())), &Value::Str("cost".to_string())), self.safe_number(get_value(&trade, &Value::Str("fee".to_string())), Value::Str("cost".to_string()), &[])]); add_element_to_object(get_value_mut(&mut previousOrder, &Value::Str("fee".to_string())), &Value::Str("cost".to_string()), __be_tmp); };
                            let mut previousOrderFee: Value = self.safe_dict_k(previousOrder.clone(), "fee", &[]);
                            let mut tradeFee: Value = self.safe_dict_k(trade.clone(), "fee", &[]);
                            add_element_to_object(get_value_mut(&mut previousOrder, &Value::Str("fee".to_string())), &Value::Str("cost".to_string()), self.parse_number(crate::precise::Precise::stringAdd(&self.safe_string_k(previousOrderFee.clone(), "cost", &[]), &self.safe_string_k(tradeFee.clone(), "cost", &[])), &[]));
                        }
                        // update the newUpdates count
                        orders.append(previousOrder.clone());
                        client.resolve(&[orders.clone(), messageHash.clone()]);
                    }  else if is_true(&(is_equal(&type_var, &Value::Str("received".to_string())))) || is_true(&(is_equal(&type_var, &Value::Str("done".to_string())))) {
                        let mut info: Value = self.extend(get_value(&previousOrder, &Value::Str("info".to_string())), &[message.clone()]);
                        let mut order: Value = self.parse_ws_order(info.clone(), &[]);
                        let mut keys: Value = object_keys(&order);
                        {
                                                        let mut i: Value = Value::Int(0);
                            let mut __for_first_262: bool = true;
                            while { if !__for_first_262 { i = add(&i, &Value::Int(1)); } __for_first_262 = false; is_less_than(&i, &get_array_length(&keys)) } {
                            let mut key: Value = get_value(&keys, &i);
                            let mut key: Value = get_value(&keys, &i);
                            if !is_equal(&get_value(&order, &key), &Value::Null) {
                                add_element_to_object(&mut previousOrder, &key, get_value(&order, &key));
                            }
                        }
                        }
                        // update the newUpdates count
                        if is_equal(&orders, &Value::Null) {
                            return;
                        }
                        orders.append(previousOrder.clone());
                        client.resolve(&[orders.clone(), messageHash.clone()]);
                    }
                }
            }
        }
}

    pub fn parse_ws_order(&self, mut order: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        let mut id: Value = self.safe_string_k(order.clone(), "order_id", &[]);
        let mut clientOrderId: Value = self.safe_string_k(order.clone(), "client_oid", &[]);
        let mut marketId: Value = self.safe_string_k(order.clone(), "product_id", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[]);
        let mut side: Value = self.safe_string_k(order.clone(), "side", &[]);
        let mut price: Value = self.safe_number_k(order.clone(), "price", &[]);
        let mut amount: Value = self.safe_string2(order.clone(), Value::Str("size".to_string()), Value::Str("funds".to_string()), &[]);
        let mut time: Value = self.safe_string_k(order.clone(), "time", &[]);
        let mut timestamp: Value = self.parse8601(time.clone());
        let mut reason: Value = self.safe_string_k(order.clone(), "reason", &[]);
        let mut status: Value = self.parse_ws_order_status(reason.clone());
        let mut orderType: Value = self.safe_string_k(order.clone(), "order_type", &[]);
        let mut remaining: Value = self.safe_string_k(order.clone(), "remaining_size", &[]);
        let mut type_var: Value = self.safe_string_k(order.clone(), "type", &[]);
        let mut filled: Value = Value::Null;
        if is_true(&(!is_equal(&amount, &Value::Null))) && is_true(&(!is_equal(&remaining, &Value::Null))) {
            filled = crate::precise::Precise::stringSub(&amount, &remaining);
        }  else if is_equal(&type_var, &Value::Str("received".to_string())) {
            filled = Value::Str("0".to_string());
            if !is_equal(&amount, &Value::Null) {
                remaining = crate::precise::Precise::stringSub(&amount, &filled);
            }
        }
        return self.safe_order(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("info".to_string(), order.clone());
        m.insert("symbol".to_string(), symbol.clone());
        m.insert("id".to_string(), id.clone());
        m.insert("clientOrderId".to_string(), clientOrderId.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("lastTradeTimestamp".to_string(), Value::Null);
        m.insert("type".to_string(), orderType.clone());
        m.insert("timeInForce".to_string(), Value::Null);
        m.insert("postOnly".to_string(), Value::Null);
        m.insert("side".to_string(), side.clone());
        m.insert("price".to_string(), price.clone());
        m.insert("stopPrice".to_string(), Value::Null);
        m.insert("triggerPrice".to_string(), Value::Null);
        m.insert("amount".to_string(), self.parse_number(amount.clone(), &[]));
        m.insert("cost".to_string(), Value::Null);
        m.insert("average".to_string(), Value::Null);
        m.insert("filled".to_string(), self.parse_number(filled.clone(), &[]));
        m.insert("remaining".to_string(), self.parse_number(remaining.clone(), &[]));
        m.insert("status".to_string(), status.clone());
        m.insert("fee".to_string(), Value::Null);
        m.insert("trades".to_string(), Value::Null);
    m
}), &[]);

    Value::Null
}

    pub fn handle_ticker(&mut self, mut client: Value, mut message: Value) -> Value {
        //
        //     {
        //         "type": "ticker",
        //         "sequence": 12042642428,
        //         "product_id": "BTC-USD",
        //         "price": "9380.55",
        //         "open_24h": "9450.81000000",
        //         "volume_24h": "9611.79166047",
        //         "low_24h": "9195.49000000",
        //         "high_24h": "9475.19000000",
        //         "volume_30d": "327812.00311873",
        //         "best_bid": "9380.54",
        //         "best_ask": "9380.55",
        //         "side": "buy",
        //         "time": "2020-02-01T01:40:16.253563Z",
        //         "trade_id": 82062566,
        //         "last_size": "0.41969131"
        //     }
        //
        let mut marketId: Value = self.safe_string_k(message.clone(), "product_id", &[]);
        if !is_equal(&marketId, &Value::Null) {
            let mut ticker: Value = self.parse_ticker(message.clone(), &[]);
            let mut symbol: Value = get_value(&ticker, &Value::Str("symbol".to_string()));
            if !is_equal(&symbol, &Value::Null) {
                add_element_to_object(&mut self.tickers, &symbol, ticker.clone());
            }
            let mut messageHash: Value = add(&Value::Str("ticker:".to_string()), &symbol);
            let mut idMessageHash: Value = add(&Value::Str("ticker:".to_string()), &marketId);
            client.resolve(&[ticker.clone(), messageHash.clone()]);
            client.resolve(&[ticker.clone(), idMessageHash.clone()]);
        }
        return message;

    Value::Null
}

    pub fn parse_ticker(&self, mut ticker: Value, optional_args: &[Value]) -> Value {
        let mut market = get_arg(optional_args, 0, Value::Null);
        //
        //     {
        //         "type": "ticker",
        //         "sequence": 7388547310,
        //         "product_id": "BTC-USDT",
        //         "price": "22345.67",
        //         "open_24h": "22308.13",
        //         "volume_24h": "470.21123644",
        //         "low_24h": "22150",
        //         "high_24h": "22495.15",
        //         "volume_30d": "25713.98401605",
        //         "best_bid": "22345.67",
        //         "best_bid_size": "0.10647825",
        //         "best_ask": "22349.68",
        //         "best_ask_size": "0.03131702",
        //         "side": "sell",
        //         "time": "2023-03-04T03:37:20.799258Z",
        //         "trade_id": 11586478,
        //         "last_size": "0.00352175"
        //     }
        //
        let mut type_var: Value = self.safe_string_k(ticker.clone(), "type", &[]);
        if is_equal(&type_var, &Value::Null) {
            return self.parent.parse_ticker(ticker.clone(), &[market.clone()]);
        }
        let mut marketId: Value = self.safe_string_k(ticker.clone(), "product_id", &[]);
        let mut symbol: Value = self.safe_symbol(marketId.clone(), &[market.clone(), Value::Str("-".to_string())]);
        let mut timestamp: Value = self.parse8601(self.safe_string_k(ticker.clone(), "time", &[]));
        let mut last: Value = self.safe_string_k(ticker.clone(), "price", &[]);
        return self.safe_ticker(Value::Map({
    let mut m = indexmap::IndexMap::new();
        m.insert("symbol".to_string(), symbol.clone());
        m.insert("timestamp".to_string(), timestamp.clone());
        m.insert("datetime".to_string(), self.iso8601(timestamp.clone()));
        m.insert("high".to_string(), self.safe_string_k(ticker.clone(), "high_24h", &[]));
        m.insert("low".to_string(), self.safe_string_k(ticker.clone(), "low_24h", &[]));
        m.insert("bid".to_string(), self.safe_string_k(ticker.clone(), "best_bid", &[]));
        m.insert("bidVolume".to_string(), self.safe_string_k(ticker.clone(), "best_bid_size", &[]));
        m.insert("ask".to_string(), self.safe_string_k(ticker.clone(), "best_ask", &[]));
        m.insert("askVolume".to_string(), self.safe_string_k(ticker.clone(), "best_ask_size", &[]));
        m.insert("vwap".to_string(), Value::Null);
        m.insert("open".to_string(), self.safe_string_k(ticker.clone(), "open_24h", &[]));
        m.insert("close".to_string(), last.clone());
        m.insert("last".to_string(), last.clone());
        m.insert("previousClose".to_string(), Value::Null);
        m.insert("change".to_string(), Value::Null);
        m.insert("percentage".to_string(), Value::Null);
        m.insert("average".to_string(), Value::Null);
        m.insert("baseVolume".to_string(), self.safe_string_k(ticker.clone(), "volume_24h", &[]));
        m.insert("quoteVolume".to_string(), Value::Null);
        m.insert("info".to_string(), ticker.clone());
    m
}), &[]);

    Value::Null
}

    pub fn handle_delta(&self, mut bookside: Value, mut delta: Value) {
        let mut price: Value = self.safe_number(delta.clone(), Value::Int(0), &[]);
        let mut amount: Value = self.safe_number(delta.clone(), Value::Int(1), &[]);
        bookside.store(price.clone(), amount.clone());
}

    pub fn handle_deltas(&self, mut bookside: Value, mut deltas: Value) {
        {
                        let mut i: Value = Value::Int(0);
            let mut __for_first_263: bool = true;
            while { if !__for_first_263 { i = add(&i, &Value::Int(1)); } __for_first_263 = false; is_less_than(&i, &get_array_length(&deltas)) } {
            self.handle_delta(bookside.clone(), get_value(&deltas, &i));
        }
        }
}

    pub fn handle_order_book(&mut self, mut client: Value, mut message: Value) {
        //
        // first message (snapshot)
        //
        //     {
        //         "type": "snapshot",
        //         "product_id": "BTC-USD",
        //         "bids": [
        //             ["10101.10", "0.45054140"]
        //         ],
        //         "asks": [
        //             ["10102.55", "0.57753524"]
        //         ]
        //     }
        //
        // subsequent updates
        //
        //     {
        //         "type": "l2update",
        //         "product_id": "BTC-USD",
        //         "time": "2019-08-14T20:42:27.265Z",
        //         "changes": [
        //             [ "buy", "10101.80000000", "0.162567" ]
        //         ]
        //     }
        //
        let mut type_var: Value = self.safe_string_k(message.clone(), "type", &[]);
        let mut marketId: Value = self.safe_string_k(message.clone(), "product_id", &[]);
        let mut market: Value = self.safe_market(&[marketId.clone(), Value::Null, Value::Str("-".to_string())]);
        let mut symbol: Value = get_value(&market, &Value::Str("symbol".to_string()));
        let mut name: Value = Value::Str("level2".to_string());
        let mut messageHash: Value = add(&add(&name, &Value::Str(":".to_string())), &marketId);
        let mut subscription: Value = self.safe_value(get_value(&client, &Value::Str("subscriptions".to_string())), messageHash.clone(), &[Value::Map({
            let mut m = indexmap::IndexMap::new();
            m
        })]);
        let mut limit: Value = self.safe_integer_k(subscription.clone(), "limit", &[]);
        if is_equal(&type_var, &Value::Str("snapshot".to_string())) {
            { let __be_tmp = self.order_book(&[Value::Map({
    let mut m = indexmap::IndexMap::new();
    m
}), limit.clone()]); add_element_to_object(&mut self.orderbooks, &symbol, __be_tmp); };
            let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
            self.handle_deltas(get_value(&orderbook, &Value::Str("asks".to_string())), self.safe_value_k(message.clone(), "asks", &[Value::List(vec![])]));
            self.handle_deltas(get_value(&orderbook, &Value::Str("bids".to_string())), self.safe_value_k(message.clone(), "bids", &[Value::List(vec![])]));
            add_element_to_object(&mut orderbook, &Value::Str("timestamp".to_string()), Value::Null);
            add_element_to_object(&mut orderbook, &Value::Str("datetime".to_string()), Value::Null);
            add_element_to_object(&mut orderbook, &Value::Str("symbol".to_string()), symbol.clone());
            client.resolve(&[orderbook.clone(), messageHash.clone()]);
        }  else if is_equal(&type_var, &Value::Str("l2update".to_string())) {
            let mut orderbook: Value = get_value(&self.orderbooks, &symbol);
            let mut timestamp: Value = self.parse8601(self.safe_string_k(message.clone(), "time", &[]));
            let mut changes: Value = self.safe_value_k(message.clone(), "changes", &[Value::List(vec![])]);
            let mut sides: Value = Value::Map({
                let mut m = indexmap::IndexMap::new();
                    m.insert("sell".to_string(), Value::Str("asks".to_string()));
                    m.insert("buy".to_string(), Value::Str("bids".to_string()));
                m
            });
            {
                                let mut i: Value = Value::Int(0);
                let mut __for_first_264: bool = true;
                while { if !__for_first_264 { i = add(&i, &Value::Int(1)); } __for_first_264 = false; is_less_than(&i, &get_array_length(&changes)) } {
                let mut change: Value = get_value(&changes, &i);
                let mut change: Value = get_value(&changes, &i);
                let mut key: Value = self.safe_string(change.clone(), Value::Int(0), &[]);
                let mut side: Value = self.safe_string(sides.clone(), key.clone(), &[]);
                let mut price: Value = self.safe_number(change.clone(), Value::Int(1), &[]);
                let mut amount: Value = self.safe_number(change.clone(), Value::Int(2), &[]);
                let mut bookside: Value = self.safe_value(orderbook.clone(), side.clone(), &[]);
                bookside.store(price.clone(), amount.clone());
            }
            }
            add_element_to_object(&mut orderbook, &Value::Str("timestamp".to_string()), timestamp.clone());
            add_element_to_object(&mut orderbook, &Value::Str("datetime".to_string()), self.iso8601(timestamp.clone()));
            client.resolve(&[orderbook.clone(), messageHash.clone()]);
        }
}

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

    Value::Null
}

    pub fn handle_error_message(&self, mut client: Value, mut message: Value) -> Value {
        //
        //     {
        //         "type": "error",
        //         "message": "error message",
        //         /* ... */
        //     }
        //
        // auth error
        //
        //     {
        //         "type": "error",
        //         "message": "Authentication Failed",
        //         "reason": "{"message":"Invalid API Key"}"
        //     }
        //
        let mut errMsg: Value = self.safe_string_k(message.clone(), "message", &[]);
        let mut reason: Value = self.safe_string_k(message.clone(), "reason", &[]);
        let _try_result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
            if is_equal(&errMsg, &Value::Str("Authentication Failed".to_string())) {
                panic!("{}", crate::exchange_errors::authentication_error(add(&Value::Str("Authentication failed: ".to_string()), &reason)));
            }  else {
                panic!("{}", crate::exchange_errors::exchange_error(add(&add(&self.id, &Value::Str(" ".to_string())), &reason)));
            }
         #[allow(unreachable_code)] { Value::Null }}));
if let Err(_try_err) = _try_result { let error: Value = panic_to_value(_try_err);
            client.reject(&[Value::from(error.clone())]);
            return Value::Bool(true);
        }

    Value::Null
}

    pub fn handle_message(&mut self, mut client: Value, mut message: Value) {
        let mut type_var: Value = self.safe_string_k(message.clone(), "type", &[]);
        let mut methods: Value = Value::Map({
            let mut m = indexmap::IndexMap::new();
                m.insert("snapshot".to_string(), Value::Str("handle_order_book".to_string()).clone());
                m.insert("l2update".to_string(), Value::Str("handle_order_book".to_string()).clone());
                m.insert("subscribe".to_string(), Value::Str("handle_subscription_status".to_string()).clone());
                m.insert("ticker".to_string(), Value::Str("handle_ticker".to_string()).clone());
                m.insert("received".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("open".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("change".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("done".to_string(), Value::Str("handle_order".to_string()).clone());
                m.insert("error".to_string(), Value::Str("handle_error_message".to_string()).clone());
            m
        });
        let mut length: Value = subtract(&get_array_length(&get_value(&client, &Value::Str("url".to_string()))), &Value::Int(0));
        let mut authenticated: bool = is_equal(&get_value(&get_value(&client, &Value::Str("url".to_string())), &subtract(&length, &Value::Int(1))), &Value::Str("?".to_string()));
        let mut method: Value = self.safe_value(methods.clone(), type_var.clone(), &[]);
        if is_equal(&method, &Value::Null) {
            if is_equal(&type_var, &Value::Str("match".to_string())) {
                if is_true(&authenticated) {
                    self.handle_my_trade(client.clone(), message.clone());
                    self.handle_order(client.clone(), message.clone());
                }  else {
                    self.handle_trade(client.clone(), message.clone());
                }
            }
        }  else {
            self.dispatch_ws_handler(&method, &[client.clone(), message.clone()]);
        }
}
}