# -*- coding: utf-8 -*-

# 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

import ccxt.async_support
from ccxt.async_support.base.ws.cache import ArrayCache, ArrayCacheBySymbolById, ArrayCacheBySymbolBySide, ArrayCacheByTimestamp
import hashlib
from ccxt.base.types import Any, Balances, Int, Liquidation, Num, Order, OrderBook, OrderSide, OrderType, Position, Str, Strings, Ticker, Tickers, Trade
from ccxt.async_support.base.ws.client import Client
from typing import List
from ccxt.base.errors import ArgumentsRequired
from ccxt.base.errors import BadRequest
from ccxt.base.errors import NotSupported
from ccxt.base.errors import ChecksumError
from ccxt.base.precise import Precise


class binance(ccxt.async_support.binance):

    def describe(self) -> Any:
        superDescribe = super(binance, self).describe()
        return self.deep_extend(superDescribe, self.describe_data())

    def describe_data(self):
        return {
            'has': {
                'ws': True,
                'watchBalance': True,
                'watchLiquidations': True,
                'watchLiquidationsForSymbols': True,
                'watchMyLiquidations': True,
                'watchMyLiquidationsForSymbols': True,
                'watchBidsAsks': True,
                'watchMyTrades': True,
                'watchOHLCV': True,
                'watchOHLCVForSymbols': True,
                'watchOrderBook': True,
                'watchOrderBookForSymbols': True,
                'watchOrders': True,
                'watchOrdersForSymbols': True,
                'watchPositions': True,
                'watchTicker': True,
                'watchTickers': True,
                'watchMarkPrices': True,
                'watchMarkPrice': True,
                'watchTrades': True,
                'watchTradesForSymbols': True,
                'createOrderWs': True,
                'editOrderWs': True,
                'cancelOrderWs': True,
                'cancelOrdersWs': False,
                'cancelAllOrdersWs': True,
                'fetchBalanceWs': True,
                'fetchDepositsWs': False,
                'fetchMarketsWs': False,
                'fetchMyTradesWs': True,
                'fetchOHLCVWs': True,
                'fetchOrderBookWs': True,
                'fetchOpenOrdersWs': True,
                'fetchOrderWs': True,
                'fetchOrdersWs': True,
                'fetchPositionWs': True,
                'fetchPositionForSymbolWs': True,
                'fetchPositionsWs': True,
                'fetchTickerWs': True,
                'fetchTradesWs': True,
                'fetchTradingFeesWs': False,
                'fetchWithdrawalsWs': False,
                'unWatchTicker': True,
                'unWatchTickers': True,
                'unWatchOHLCV': True,
                'unWatchOHLCVForSymbols': True,
                'unWatchOrderBook': True,
                'unWatchOrderBookForSymbols': True,
                'unWatchTrades': True,
                'unWatchTradesForSymbols': True,
                'unWatchMyTrades': False,
                'unWatchOrders': False,
                'unWatchPositions': False,
                'unWatchMarkPrices': True,
                'unWatchMarkPrice': True,
            },
            'urls': {
                'test': {
                    'ws': {
                        'spot': 'wss://stream.testnet.binance.vision/ws',
                        'margin': 'wss://stream.testnet.binance.vision/ws',
                        'future': 'wss://fstream.binancefuture.com/ws',
                        'delivery': 'wss://dstream.binancefuture.com/ws',
                        'ws-api': {
                            'spot': 'wss://ws-api.testnet.binance.vision/ws-api/v3',
                            'future': 'wss://testnet.binancefuture.com/ws-fapi/v1',
                            'delivery': 'wss://testnet.binancefuture.com/ws-dapi/v1',
                        },
                    },
                },
                'demo': {
                    'ws': {
                        'spot': 'wss://demo-stream.binance.com/ws',
                        'margin': 'wss://demo-stream.binance.com/ws',
                        'future': 'wss://fstream.binancefuture.com/ws',
                        'delivery': 'wss://dstream.binancefuture.com/ws',
                        'ws-api': {
                            'spot': 'wss://demo-ws-api.binance.com/ws-api/v3',
                            'future': 'wss://testnet.binancefuture.com/ws-fapi/v1',
                            'delivery': 'wss://testnet.binancefuture.com/ws-dapi/v1',
                        },
                    },
                },
                'api': {
                    'ws': {
                        'spot': 'wss://stream.binance.com:9443/ws',
                        'margin': 'wss://stream.binance.com:9443/ws',
                        'future': 'wss://fstream.binance.com/ws',
                        'delivery': 'wss://dstream.binance.com/ws',
                        'ws-api': {
                            'spot': 'wss://ws-api.binance.com:443/ws-api/v3',
                            'future': 'wss://ws-fapi.binance.com/ws-fapi/v1',
                            'delivery': 'wss://ws-dapi.binance.com/ws-dapi/v1',
                        },
                        'papi': 'wss://fstream.binance.com/pm/ws',
                    },
                },
                'doc': 'https://developers.binance.com/en',
            },
            'streaming': {
                'keepAlive': 180000,
            },
            'options': {
                'returnRateLimits': False,
                'streamLimits': {
                    'spot': 50,  # max 1024
                    'margin': 50,  # max 1024
                    'future': 50,  # max 200
                    'delivery': 50,  # max 200
                },
                'subscriptionLimitByStream': {
                    'spot': 200,
                    'margin': 200,
                    'future': 200,
                    'delivery': 200,
                },
                'streamBySubscriptionsHash': self.create_safe_dictionary(),
                'streamIndex': -1,
                # get updates every 1000ms or 100ms
                # or every 0ms in real-time for futures
                'watchOrderBookRate': 100,
                'liquidationsLimit': 1000,
                'myLiquidationsLimit': 1000,
                'tradesLimit': 1000,
                'ordersLimit': 1000,
                'OHLCVLimit': 1000,
                'requestId': self.create_safe_dictionary(),
                'watchOrderBookLimit': 1000,  # default limit
                'watchTrades': {
                    'name': 'trade',  # 'trade' or 'aggTrade'
                },
                'watchTicker': {
                    'name': 'ticker',  # ticker or miniTicker or ticker_<window_size>
                },
                'watchTickers': {
                    'name': 'ticker',  # ticker or miniTicker or ticker_<window_size>
                },
                'watchOHLCV': {
                    'name': 'kline',  # or indexPriceKline or markPriceKline(coin-m futures)
                },
                'watchOrderBook': {
                    'maxRetries': 3,
                    'checksum': True,
                },
                'watchBalance': {
                    'fetchBalanceSnapshot': False,  # or True
                    'awaitBalanceSnapshot': True,  # whether to wait for the balance snapshot before providing updates
                },
                'watchLiquidationsForSymbols': {
                    'defaultType': 'swap',
                },
                'watchPositions': {
                    'fetchPositionsSnapshot': True,  # or False
                    'awaitPositionsSnapshot': True,  # whether to wait for the positions snapshot before providing updates
                },
                'wallet': 'wb',  # wb = wallet balance, cw = cross balance
                'listenKeyRefreshRate': 1200000,  # 20 mins
                'ws': {
                    'cost': 5,
                },
                'tickerChannelsMap': {
                    '24hrTicker': 'ticker',
                    '24hrMiniTicker': 'miniTicker',
                    'markPriceUpdate': 'markPrice',
                    # rolling window tickers
                    '1hTicker': 'ticker_1h',
                    '4hTicker': 'ticker_4h',
                    '1dTicker': 'ticker_1d',
                    'bookTicker': 'bookTicker',
                },
            },
        }

    def request_id(self, url):
        options = self.safe_dict(self.options, 'requestId', self.create_safe_dictionary())
        previousValue = self.safe_integer(options, url, 0)
        newValue = self.sum(previousValue, 1)
        self.options['requestId'][url] = newValue
        return newValue

    def is_spot_url(self, client: Client):
        return(client.url.find('/stream') > -1) or (client.url.find('demo-stream') > -1)

    def stream(self, type: Str, subscriptionHash: Str, numSubscriptions=1):
        streamBySubscriptionsHash = self.safe_dict(self.options, 'streamBySubscriptionsHash', self.create_safe_dictionary())
        stream = self.safe_string(streamBySubscriptionsHash, subscriptionHash)
        if stream is None:
            streamIndex = self.safe_integer(self.options, 'streamIndex', -1)
            streamLimits = self.safe_value(self.options, 'streamLimits')
            streamLimit = self.safe_integer(streamLimits, type)
            streamIndex = streamIndex + 1
            normalizedIndex = streamIndex % streamLimit
            self.options['streamIndex'] = streamIndex
            stream = self.number_to_string(normalizedIndex)
            self.options['streamBySubscriptionsHash'][subscriptionHash] = stream
            subscriptionsByStreams = self.safe_value(self.options, 'numSubscriptionsByStream')
            if subscriptionsByStreams is None:
                self.options['numSubscriptionsByStream'] = self.create_safe_dictionary()
            subscriptionsByStream = self.safe_integer(self.options['numSubscriptionsByStream'], stream, 0)
            newNumSubscriptions = subscriptionsByStream + numSubscriptions
            subscriptionLimitByStream = self.safe_integer(self.options['subscriptionLimitByStream'], type, 200)
            if newNumSubscriptions > subscriptionLimitByStream:
                raise BadRequest(self.id + ' reached the limit of subscriptions by stream. Increase the number of streams, or increase the stream limit or subscription limit by stream if the exchange allows.')
            self.options['numSubscriptionsByStream'][stream] = subscriptionsByStream + numSubscriptions
        return stream

    async def watch_liquidations(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Liquidation]:
        """
        watch the public liquidations of a trading pair

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Liquidation-Order-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Liquidation-Order-Streams

        :param str symbol: unified CCXT market symbol
        :param int [since]: the earliest time in ms to fetch liquidations for
        :param int [limit]: the maximum number of liquidation structures to retrieve
        :param dict [params]: exchange specific parameters for the bitmex api endpoint
        :returns dict: an array of `liquidation structures <https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure>`
        """
        return await self.watch_liquidations_for_symbols([symbol], since, limit, params)

    async def watch_liquidations_for_symbols(self, symbols: List[str], since: Int = None, limit: Int = None, params={}) -> List[Liquidation]:
        """
        watch the public liquidations of a trading pair

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Market-Liquidation-Order-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Market-Liquidation-Order-Streams

        :param str[] symbols: list of unified market symbols
        :param int [since]: the earliest time in ms to fetch liquidations for
        :param int [limit]: the maximum number of liquidation structures to retrieve
        :param dict [params]: exchange specific parameters for the bitmex api endpoint
        :returns dict: an array of `liquidation structures <https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure>`
        """
        await self.load_markets()
        subscriptionHashes = []
        messageHashes = []
        streamHash = 'liquidations'
        symbols = self.market_symbols(symbols, None, True, True)
        if self.is_empty(symbols):
            subscriptionHashes.append('!' + 'forceOrder@arr')
            messageHashes.append('liquidations')
        else:
            for i in range(0, len(symbols)):
                market = self.market(symbols[i])
                subscriptionHashes.append(market['lowercaseId'] + '@forceOrder')
                messageHashes.append('liquidations::' + symbols[i])
            streamHash += '::' + ','.join(symbols)
        firstMarket = self.get_market_from_symbols(symbols)
        type = None
        type, params = self.handle_market_type_and_params('watchLiquidationsForSymbols', firstMarket, params)
        if type == 'spot':
            raise BadRequest(self.id + ' watchLiquidationsForSymbols is not supported for spot symbols')
        subType = None
        subType, params = self.handle_sub_type_and_params('watchLiquidationsForSymbols', firstMarket, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        numSubscriptions = len(subscriptionHashes)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, streamHash, numSubscriptions)
        requestId = self.request_id(url)
        request = {
            'method': 'SUBSCRIBE',
            'params': subscriptionHashes,
            'id': requestId,
        }
        subscribe = {
            'id': requestId,
        }
        newLiquidations = await self.watch_multiple(url, messageHashes, self.extend(request, params), subscriptionHashes, subscribe)
        if self.newUpdates:
            return newLiquidations
        return self.filter_by_symbols_since_limit(self.liquidations, symbols, since, limit, True)

    def handle_liquidation(self, client: Client, message):
        #
        # future
        #    {
        #        "e":"forceOrder",
        #        "E":1698871323061,
        #        "o":{
        #           "s":"BTCUSDT",
        #           "S":"BUY",
        #           "o":"LIMIT",
        #           "f":"IOC",
        #           "q":"1.437",
        #           "p":"35100.81",
        #           "ap":"34959.70",
        #           "X":"FILLED",
        #           "l":"1.437",
        #           "z":"1.437",
        #           "T":1698871323059
        #        }
        #    }
        # delivery
        #    {
        #        "e":"forceOrder",              # Event Type
        #        "E": 1591154240950,            # Event Time
        #        "o":{
        #            "s":"BTCUSD_200925",       # Symbol
        #            "ps": "BTCUSD",            # Pair
        #            "S":"SELL",                # Side
        #            "o":"LIMIT",               # Order Type
        #            "f":"IOC",                 # Time in Force
        #            "q":"1",                   # Original Quantity
        #            "p":"9425.5",              # Price
        #            "ap":"9496.5",             # Average Price
        #            "X":"FILLED",              # Order Status
        #            "l":"1",                   # Order Last Filled Quantity
        #            "z":"1",                   # Order Filled Accumulated Quantity
        #            "T": 1591154240949,        # Order Trade Time
        #        }
        #    }
        #
        rawLiquidation = self.safe_value(message, 'o', {})
        marketId = self.safe_string(rawLiquidation, 's')
        market = self.safe_market(marketId, None, '', 'contract')
        symbol = market['symbol']
        liquidation = self.parse_ws_liquidation(rawLiquidation, market)
        liquidations = self.safe_value(self.liquidations, symbol)
        if liquidations is None:
            limit = self.safe_integer(self.options, 'liquidationsLimit', 1000)
            liquidations = ArrayCache(limit)
        liquidations.append(liquidation)
        self.liquidations[symbol] = liquidations
        client.resolve([liquidation], 'liquidations')
        client.resolve([liquidation], 'liquidations::' + symbol)

    def parse_ws_liquidation(self, liquidation, market=None):
        #
        # future
        #    {
        #        "s":"BTCUSDT",
        #        "S":"BUY",
        #        "o":"LIMIT",
        #        "f":"IOC",
        #        "q":"1.437",
        #        "p":"35100.81",
        #        "ap":"34959.70",
        #        "X":"FILLED",
        #        "l":"1.437",
        #        "z":"1.437",
        #        "T":1698871323059
        #    }
        # delivery
        #    {
        #        "s":"BTCUSD_200925",       # Symbol
        #        "ps": "BTCUSD",            # Pair
        #        "S":"SELL",                # Side
        #        "o":"LIMIT",               # Order Type
        #        "f":"IOC",                 # Time in Force
        #        "q":"1",                   # Original Quantity
        #        "p":"9425.5",              # Price
        #        "ap":"9496.5",             # Average Price
        #        "X":"FILLED",              # Order Status
        #        "l":"1",                   # Order Last Filled Quantity
        #        "z":"1",                   # Order Filled Accumulated Quantity
        #        "T": 1591154240949,        # Order Trade Time
        #    }
        # myLiquidation
        #    {
        #        "s":"BTCUSDT",              # Symbol
        #        "c":"TEST",                 # Client Order Id
        #          # special client order id:
        #          # starts with "autoclose-": liquidation order
        #          # "adl_autoclose": ADL auto close order
        #          # "settlement_autoclose-": settlement order for delisting or delivery
        #        "S":"SELL",                 # Side
        #        "o":"TRAILING_STOP_MARKET",  # Order Type
        #        "f":"GTC",                  # Time in Force
        #        "q":"0.001",                # Original Quantity
        #        "p":"0",                    # Original Price
        #        "ap":"0",                   # Average Price
        #        "sp":"7103.04",             # Stop Price. Please ignore with TRAILING_STOP_MARKET order
        #        "x":"NEW",                  # Execution Type
        #        "X":"NEW",                  # Order Status
        #        "i":8886774,                # Order Id
        #        "l":"0",                    # Order Last Filled Quantity
        #        "z":"0",                    # Order Filled Accumulated Quantity
        #        "L":"0",                    # Last Filled Price
        #        "N":"USDT",                 # Commission Asset, will not push if no commission
        #        "n":"0",                    # Commission, will not push if no commission
        #        "T":1568879465650,          # Order Trade Time
        #        "t":0,                      # Trade Id
        #        "b":"0",                    # Bids Notional
        #        "a":"9.91",                 # Ask Notional
        #        "m":false,                  # Is self trade the maker side?
        #        "R":false,                  # Is self reduce only
        #        "wt":"CONTRACT_PRICE",      # Stop Price Working Type
        #        "ot":"TRAILING_STOP_MARKET",// Original Order Type
        #        "ps":"LONG",                # Position Side
        #        "cp":false,                 # If Close-All, pushed with conditional order
        #        "AP":"7476.89",             # Activation Price, only puhed with TRAILING_STOP_MARKET order
        #        "cr":"5.0",                 # Callback Rate, only puhed with TRAILING_STOP_MARKET order
        #        "pP": False,                # If price protection is turned on
        #        "si": 0,                    # ignore
        #        "ss": 0,                    # ignore
        #        "rp":"0",                   # Realized Profit of the trade
        #        "V":"EXPIRE_TAKER",         # STP mode
        #        "pm":"OPPONENT",            # Price match mode
        #        "gtd":0                     # TIF GTD order auto cancel time
        #    }
        #
        marketId = self.safe_string(liquidation, 's')
        market = self.safe_market(marketId, market, None, 'swap')
        timestamp = self.safe_integer(liquidation, 'T')
        return self.safe_liquidation({
            'info': liquidation,
            'symbol': self.safe_symbol(marketId, market),
            'contracts': self.safe_number(liquidation, 'l'),
            'contractSize': self.safe_number(market, 'contractSize'),
            'price': self.safe_number(liquidation, 'ap'),
            'side': self.safe_string_lower(liquidation, 'S'),
            'baseValue': None,
            'quoteValue': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
        })

    async def watch_my_liquidations(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Liquidation]:
        """
        watch the private liquidations of a trading pair

        https://developers.binance.com/docs/derivatives/usds-margined-futures/user-data-streams/Event-Order-Update
        https://developers.binance.com/docs/derivatives/coin-margined-futures/user-data-streams/Event-Order-Update

        :param str symbol: unified CCXT market symbol
        :param int [since]: the earliest time in ms to fetch liquidations for
        :param int [limit]: the maximum number of liquidation structures to retrieve
        :param dict [params]: exchange specific parameters for the bitmex api endpoint
        :returns dict: an array of `liquidation structures <https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure>`
        """
        return self.watch_my_liquidations_for_symbols([symbol], since, limit, params)

    async def watch_my_liquidations_for_symbols(self, symbols: List[str], since: Int = None, limit: Int = None, params={}) -> List[Liquidation]:
        """
        watch the private liquidations of a trading pair

        https://developers.binance.com/docs/derivatives/usds-margined-futures/user-data-streams/Event-Order-Update
        https://developers.binance.com/docs/derivatives/coin-margined-futures/user-data-streams/Event-Order-Update

        :param str[] symbols: list of unified market symbols
        :param int [since]: the earliest time in ms to fetch liquidations for
        :param int [limit]: the maximum number of liquidation structures to retrieve
        :param dict [params]: exchange specific parameters for the bitmex api endpoint
        :returns dict: an array of `liquidation structures <https://github.com/ccxt/ccxt/wiki/Manual#liquidation-structure>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, True, True, True)
        market = self.get_market_from_symbols(symbols)
        messageHashes = ['myLiquidations']
        if not self.is_empty(symbols):
            for i in range(0, len(symbols)):
                symbol = symbols[i]
                messageHashes.append('myLiquidations::' + symbol)
        type = None
        type, params = self.handle_market_type_and_params('watchMyLiquidationsForSymbols', market, params)
        subType = None
        subType, params = self.handle_sub_type_and_params('watchMyLiquidationsForSymbols', market, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        await self.authenticate(params)
        url = self.urls['api']['ws'][type] + '/' + self.options[type]['listenKey']
        message = None
        newLiquidations = await self.watch_multiple(url, messageHashes, message, [type])
        if self.newUpdates:
            return newLiquidations
        return self.filter_by_symbols_since_limit(self.liquidations, symbols, since, limit)

    def handle_my_liquidation(self, client: Client, message):
        #
        #    {
        #        "s":"BTCUSDT",              # Symbol
        #        "c":"TEST",                 # Client Order Id
        #          # special client order id:
        #          # starts with "autoclose-": liquidation order
        #          # "adl_autoclose": ADL auto close order
        #          # "settlement_autoclose-": settlement order for delisting or delivery
        #        "S":"SELL",                 # Side
        #        "o":"TRAILING_STOP_MARKET",  # Order Type
        #        "f":"GTC",                  # Time in Force
        #        "q":"0.001",                # Original Quantity
        #        "p":"0",                    # Original Price
        #        "ap":"0",                   # Average Price
        #        "sp":"7103.04",             # Stop Price. Please ignore with TRAILING_STOP_MARKET order
        #        "x":"NEW",                  # Execution Type
        #        "X":"NEW",                  # Order Status
        #        "i":8886774,                # Order Id
        #        "l":"0",                    # Order Last Filled Quantity
        #        "z":"0",                    # Order Filled Accumulated Quantity
        #        "L":"0",                    # Last Filled Price
        #        "N":"USDT",                 # Commission Asset, will not push if no commission
        #        "n":"0",                    # Commission, will not push if no commission
        #        "T":1568879465650,          # Order Trade Time
        #        "t":0,                      # Trade Id
        #        "b":"0",                    # Bids Notional
        #        "a":"9.91",                 # Ask Notional
        #        "m":false,                  # Is self trade the maker side?
        #        "R":false,                  # Is self reduce only
        #        "wt":"CONTRACT_PRICE",      # Stop Price Working Type
        #        "ot":"TRAILING_STOP_MARKET",// Original Order Type
        #        "ps":"LONG",                # Position Side
        #        "cp":false,                 # If Close-All, pushed with conditional order
        #        "AP":"7476.89",             # Activation Price, only puhed with TRAILING_STOP_MARKET order
        #        "cr":"5.0",                 # Callback Rate, only puhed with TRAILING_STOP_MARKET order
        #        "pP": False,                # If price protection is turned on
        #        "si": 0,                    # ignore
        #        "ss": 0,                    # ignore
        #        "rp":"0",                   # Realized Profit of the trade
        #        "V":"EXPIRE_TAKER",         # STP mode
        #        "pm":"OPPONENT",            # Price match mode
        #        "gtd":0                     # TIF GTD order auto cancel time
        #    }
        #
        orderType = self.safe_string(message, 'o')
        if orderType != 'LIQUIDATION':
            return
        marketId = self.safe_string(message, 's')
        market = self.safe_market(marketId, None, None, 'swap')
        symbol = self.safe_symbol(marketId, market)
        liquidation = self.parse_ws_liquidation(message, market)
        myLiquidations = self.safe_value(self.myLiquidations, symbol)
        if myLiquidations is None:
            limit = self.safe_integer(self.options, 'myLiquidationsLimit', 1000)
            myLiquidations = ArrayCache(limit)
        myLiquidations.append(liquidation)
        self.myLiquidations[symbol] = myLiquidations
        client.resolve([liquidation], 'myLiquidations')
        client.resolve([liquidation], 'myLiquidations::' + symbol)

    async def watch_order_book(self, symbol: str, limit: Int = None, params={}) -> OrderBook:
        """
        watches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#partial-book-depth-streams
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#diff-depth-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams

        :param str 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 dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        #
        # todo add support for <levels>-snapshots(depth)
        # https://github.com/binance-exchange/binance-official-api-docs/blob/master/web-socket-streams.md#partial-book-depth-streams        # <symbol>@depth<levels>@100ms or <symbol>@depth<levels>(1000ms)
        # valid <levels> are 5, 10, or 20
        #
        # default 100, max 1000, valid limits 5, 10, 20, 50, 100, 500, 1000
        #
        # notice the differences between trading futures and spot trading
        # the algorithms use different urls in step 1
        # delta caching and merging also differs in steps 4, 5, 6
        #
        # spot/margin
        # https://binance-docs.github.io/apidocs/spot/en/#how-to-manage-a-local-order-book-correctly
        #
        # 1. Open a stream to wss://stream.binance.com:9443/ws/bnbbtc@depth.
        # 2. Buffer the events you receive from the stream.
        # 3. Get a depth snapshot from https://www.binance.com/api/v1/depth?symbol=BNBBTC&limit=1000 .
        # 4. Drop any event where u is <= lastUpdateId in the snapshot.
        # 5. The first processed event should have U <= lastUpdateId+1 AND u >= lastUpdateId+1.
        # 6. While listening to the stream, each new event's U should be equal to the previous event's u+1.
        # 7. The data in each event is the absolute quantity for a price level.
        # 8. If the quantity is 0, remove the price level.
        # 9. Receiving an event that removes a price level that is not in your local order book can happen and is normal.
        #
        # futures
        # https://binance-docs.github.io/apidocs/futures/en/#how-to-manage-a-local-order-book-correctly
        #
        # 1. Open a stream to wss://fstream.binance.com/stream?streams=btcusdt@depth.
        # 2. Buffer the events you receive from the stream. For same price, latest received update covers the previous one.
        # 3. Get a depth snapshot from https://fapi.binance.com/fapi/v1/depth?symbol=BTCUSDT&limit=1000 .
        # 4. Drop any event where u is < lastUpdateId in the snapshot.
        # 5. The first processed event should have U <= lastUpdateId AND u >= lastUpdateId
        # 6. While listening to the stream, each new event's pu should be equal to the previous event's u, otherwise initialize the process from step 3.
        # 7. The data in each event is the absolute quantity for a price level.
        # 8. If the quantity is 0, remove the price level.
        # 9. Receiving an event that removes a price level that is not in your local order book can happen and is normal.
        #
        return await self.watch_order_book_for_symbols([symbol], limit, params)

    async def watch_order_book_for_symbols(self, symbols: List[str], limit: Int = None, params={}) -> OrderBook:
        """
        watches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#partial-book-depth-streams
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#diff-depth-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams

        :param str[] symbols: unified array of symbols
        :param int [limit]: the maximum amount of order book entries to return
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, False, True, True)
        firstMarket = self.market(symbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        name = 'depth'
        streamHash = 'multipleOrderbook'
        if symbols is not None:
            symbolsLength = len(symbols)
            if symbolsLength > 200:
                raise BadRequest(self.id + ' watchOrderBookForSymbols() accepts 200 symbols at most. To watch more symbols call watchOrderBookForSymbols() multiple times')
            streamHash += '::' + ','.join(symbols)
        watchOrderBookRate = self.safe_string(self.options, 'watchOrderBookRate', '100')
        subParams = []
        messageHashes = []
        for i in range(0, len(symbols)):
            symbol = symbols[i]
            market = self.market(symbol)
            messageHashes.append('orderbook::' + symbol)
            subscriptionHash = market['lowercaseId'] + '@' + name
            symbolHash = subscriptionHash + '@' + watchOrderBookRate + 'ms'
            subParams.append(symbolHash)
        messageHashesLength = len(messageHashes)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, streamHash, messageHashesLength)
        requestId = self.request_id(url)
        request: dict = {
            'method': 'SUBSCRIBE',
            'params': subParams,
            'id': requestId,
        }
        subscription: dict = {
            'id': str(requestId),
            'name': name,
            'symbols': symbols,
            'method': self.handle_order_book_subscription,
            'limit': limit,
            'type': type,
            'params': params,
        }
        orderbook = await self.watch_multiple(url, messageHashes, self.extend(request, params), messageHashes, subscription)
        return orderbook.limit()

    async def un_watch_order_book_for_symbols(self, symbols: List[str], params={}) -> Any:
        """
        unWatches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#partial-book-depth-streams
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#diff-depth-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams

        :param str[] symbols: unified array of symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, False, True, True)
        firstMarket = self.market(symbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        name = 'depth'
        streamHash = 'multipleOrderbook'
        if symbols is not None:
            streamHash += '::' + ','.join(symbols)
        watchOrderBookRate = self.safe_string(self.options, 'watchOrderBookRate', '100')
        subParams = []
        subMessageHashes = []
        messageHashes = []
        for i in range(0, len(symbols)):
            symbol = symbols[i]
            market = self.market(symbol)
            subMessageHashes.append('orderbook::' + symbol)
            messageHashes.append('unsubscribe:orderbook:' + symbol)
            subscriptionHash = market['lowercaseId'] + '@' + name
            symbolHash = subscriptionHash + '@' + watchOrderBookRate + 'ms'
            subParams.append(symbolHash)
        messageHashesLength = len(subMessageHashes)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, streamHash, messageHashesLength)
        requestId = self.request_id(url)
        request: dict = {
            'method': 'UNSUBSCRIBE',
            'params': subParams,
            'id': requestId,
        }
        subscription: dict = {
            'unsubscribe': True,
            'id': str(requestId),
            'symbols': symbols,
            'subMessageHashes': subMessageHashes,
            'messageHashes': messageHashes,
            'topic': 'orderbook',
        }
        return await self.watch_multiple(url, messageHashes, self.extend(request, params), messageHashes, subscription)

    async def un_watch_order_book(self, symbol: str, params={}) -> Any:
        """
        unWatches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#partial-book-depth-streams
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#diff-depth-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Partial-Book-Depth-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Diff-Book-Depth-Streams

        :param str symbol: unified array of symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        return await self.un_watch_order_book_for_symbols([symbol], params)

    async def fetch_order_book_ws(self, symbol: str, limit: Int = None, params={}) -> OrderBook:
        """
        fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#order-book
        https://developers.binance.com/docs/derivatives/usds-margined-futures/market-data/websocket-api/Order-Book

        :param str 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 dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        await self.load_markets()
        market = self.market(symbol)
        payload: dict = {
            'symbol': market['id'],
        }
        if limit is not None:
            payload['limit'] = limit
        marketType = self.get_market_type('fetchOrderBookWs', market, params)
        if marketType != 'future':
            raise BadRequest(self.id + ' fetchOrderBookWs only supports swap markets')
        url = self.urls['api']['ws']['ws-api'][marketType]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'createOrderWs', 'returnRateLimits', False)
        payload['returnRateLimits'] = returnRateLimits
        params = self.omit(params, 'test')
        message: dict = {
            'id': messageHash,
            'method': 'depth',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_fetch_order_book,
        }
        orderbook = await self.watch(url, messageHash, message, messageHash, subscription)
        orderbook['symbol'] = market['symbol']
        return orderbook

    def handle_fetch_order_book(self, client: Client, message):
        #
        #    {
        #        "id":"51e2affb-0aba-4821-ba75-f2625006eb43",
        #        "status":200,
        #        "result":{
        #            "lastUpdateId":1027024,
        #            "E":1589436922972,
        #            "T":1589436922959,
        #            "bids":[
        #               [
        #                  "4.00000000",
        #                  "431.00000000"
        #               ]
        #            ],
        #            "asks":[
        #               [
        #                  "4.00000200",
        #                  "12.00000000"
        #               ]
        #            ]
        #        }
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_dict(message, 'result')
        timestamp = self.safe_integer(result, 'T')
        orderbook = self.parse_order_book(result, None, timestamp)
        orderbook['nonce'] = self.safe_integer_2(result, 'lastUpdateId', 'u')
        client.resolve(orderbook, messageHash)

    async def fetch_order_book_snapshot(self, client, message, subscription):
        symbol = self.safe_string(subscription, 'symbol')
        messageHash = 'orderbook::' + symbol
        try:
            defaultLimit = self.safe_integer(self.options, 'watchOrderBookLimit', 1000)
            type = self.safe_value(subscription, 'type')
            limit = self.safe_integer(subscription, 'limit', defaultLimit)
            params = self.safe_value(subscription, 'params')
            # 3. Get a depth snapshot from https://www.binance.com/api/v1/depth?symbol=BNBBTC&limit=1000 .
            # todo: self is a synch blocking call - make it async
            # default 100, max 1000, valid limits 5, 10, 20, 50, 100, 500, 1000
            snapshot = await self.fetch_rest_order_book_safe(symbol, limit, params)
            if self.safe_value(self.orderbooks, symbol) is None:
                # if the orderbook is dropped before the snapshot is received
                return
            orderbook = self.orderbooks[symbol]
            orderbook.reset(snapshot)
            # unroll the accumulated deltas
            messages = orderbook.cache
            orderbook.cache = []
            for i in range(0, len(messages)):
                messageItem = messages[i]
                U = self.safe_integer(messageItem, 'U')
                u = self.safe_integer(messageItem, 'u')
                pu = self.safe_integer(messageItem, 'pu')
                if type == 'future':
                    # 4. Drop any event where u is < lastUpdateId in the snapshot
                    if u < orderbook['nonce']:
                        continue
                    # 5. The first processed event should have U <= lastUpdateId AND u >= lastUpdateId
                    if (U <= orderbook['nonce']) and (u >= orderbook['nonce']) or (pu == orderbook['nonce']):
                        self.handle_order_book_message(client, messageItem, orderbook)
                else:
                    # 4. Drop any event where u is <= lastUpdateId in the snapshot
                    if u <= orderbook['nonce']:
                        continue
                    # 5. The first processed event should have U <= lastUpdateId+1 AND u >= lastUpdateId+1
                    if ((U - 1) <= orderbook['nonce']) and ((u - 1) >= orderbook['nonce']):
                        self.handle_order_book_message(client, messageItem, orderbook)
            self.orderbooks[symbol] = orderbook
            client.resolve(orderbook, messageHash)
        except Exception as e:
            del client.subscriptions[messageHash]
            client.reject(e, messageHash)

    def handle_delta(self, bookside, delta):
        price = self.safe_float(delta, 0)
        amount = self.safe_float(delta, 1)
        bookside.store(price, amount)

    def handle_deltas(self, bookside, deltas):
        for i in range(0, len(deltas)):
            self.handle_delta(bookside, deltas[i])

    def handle_order_book_message(self, client: Client, message, orderbook):
        u = self.safe_integer(message, 'u')
        self.handle_deltas(orderbook['asks'], self.safe_value(message, 'a', []))
        self.handle_deltas(orderbook['bids'], self.safe_value(message, 'b', []))
        orderbook['nonce'] = u
        timestamp = self.safe_integer(message, 'E')
        orderbook['timestamp'] = timestamp
        orderbook['datetime'] = self.iso8601(timestamp)
        return orderbook

    def handle_order_book(self, client: Client, message):
        #
        # initial snapshot is fetched with ccxt's fetchOrderBook
        # the feed does not include a snapshot, just the deltas
        #
        #     {
        #         "e": "depthUpdate",  # Event type
        #         "E": 1577554482280,  # Event time
        #         "s": "BNBBTC",  # Symbol
        #         "U": 157,  # First update ID in event
        #         "u": 160,  # Final update ID in event
        #         "b": [ # bids
        #             ["0.0024", "10"],  # price, size
        #         ],
        #         "a": [ # asks
        #             ["0.0026", "100"],  # price, size
        #         ]
        #     }
        #
        isSpot = self.is_spot_url(client)
        marketType = 'spot' if (isSpot) else 'swap'
        marketId = self.safe_string(message, 's')
        market = self.safe_market(marketId, None, None, marketType)
        symbol = market['symbol']
        messageHash = 'orderbook::' + symbol
        if not (symbol in self.orderbooks):
            #
            # https://github.com/ccxt/ccxt/issues/6672
            #
            # Sometimes Binance sends the first delta before the subscription
            # confirmation arrives. At that point the orderbook is not
            # initialized yet and the snapshot has not been requested yet
            # therefore it is safe to drop these premature messages.
            #
            return
        orderbook = self.orderbooks[symbol]
        nonce = self.safe_integer(orderbook, 'nonce')
        if nonce is None:
            # 2. Buffer the events you receive from the stream.
            orderbook.cache.append(message)
        else:
            try:
                U = self.safe_integer(message, 'U')
                u = self.safe_integer(message, 'u')
                pu = self.safe_integer(message, 'pu')
                if pu is None:
                    # spot
                    # 4. Drop any event where u is <= lastUpdateId in the snapshot
                    if u > orderbook['nonce']:
                        timestamp = self.safe_integer(orderbook, 'timestamp')
                        conditional = None
                        if timestamp is None:
                            # 5. The first processed event should have U <= lastUpdateId+1 AND u >= lastUpdateId+1
                            conditional = ((U - 1) <= orderbook['nonce']) and ((u - 1) >= orderbook['nonce'])
                        else:
                            # 6. While listening to the stream, each new event's U should be equal to the previous event's u+1.
                            conditional = ((U - 1) == orderbook['nonce'])
                        if conditional:
                            self.handle_order_book_message(client, message, orderbook)
                            if nonce < orderbook['nonce']:
                                client.resolve(orderbook, messageHash)
                        else:
                            checksum = self.handle_option('watchOrderBook', 'checksum', True)
                            if checksum:
                                # todo: client.reject from handleOrderBookMessage properly
                                raise ChecksumError(self.id + ' ' + self.orderbook_checksum_message(symbol))
                else:
                    # future
                    # 4. Drop any event where u is < lastUpdateId in the snapshot
                    if u >= orderbook['nonce']:
                        # 5. The first processed event should have U <= lastUpdateId AND u >= lastUpdateId
                        # 6. While listening to the stream, each new event's pu should be equal to the previous event's u, otherwise initialize the process from step 3
                        if (U <= orderbook['nonce']) or (pu == orderbook['nonce']):
                            self.handle_order_book_message(client, message, orderbook)
                            if nonce <= orderbook['nonce']:
                                client.resolve(orderbook, messageHash)
                        else:
                            checksum = self.handle_option('watchOrderBook', 'checksum', True)
                            if checksum:
                                # todo: client.reject from handleOrderBookMessage properly
                                raise ChecksumError(self.id + ' ' + self.orderbook_checksum_message(symbol))
            except Exception as e:
                del self.orderbooks[symbol]
                del client.subscriptions[messageHash]
                client.reject(e, messageHash)

    def handle_order_book_subscription(self, client: Client, message, subscription):
        defaultLimit = self.safe_integer(self.options, 'watchOrderBookLimit', 1000)
        # messageHash = self.safe_string(subscription, 'messageHash')
        symbolOfSubscription = self.safe_string(subscription, 'symbol')  # watchOrderBook
        symbols = self.safe_value(subscription, 'symbols', [symbolOfSubscription])  # watchOrderBookForSymbols
        limit = self.safe_integer(subscription, 'limit', defaultLimit)
        # handle list of symbols
        for i in range(0, len(symbols)):
            symbol = symbols[i]
            if symbol in self.orderbooks:
                del self.orderbooks[symbol]
            self.orderbooks[symbol] = self.order_book({}, limit)
            subscription = self.extend(subscription, {'symbol': symbol})
            # fetch the snapshot in a separate async call
            self.spawn(self.fetch_order_book_snapshot, client, message, subscription)

    def handle_subscription_status(self, client: Client, message):
        #
        #     {
        #         "result": null,
        #         "id": 1574649734450
        #     }
        #
        id = self.safe_string(message, 'id')
        subscriptionsById = self.index_by(client.subscriptions, 'id')
        subscription = self.safe_value(subscriptionsById, id, {})
        method = self.safe_value(subscription, 'method')
        if method is not None:
            method(client, message, subscription)
        isUnSubMessage = self.safe_bool(subscription, 'unsubscribe', False)
        if isUnSubMessage:
            self.handle_un_subscription(client, subscription)
        return message

    def handle_un_subscription(self, client: Client, subscription: dict):
        messageHashes = self.safe_list(subscription, 'messageHashes', [])
        subMessageHashes = self.safe_list(subscription, 'subMessageHashes', [])
        for j in range(0, len(messageHashes)):
            unsubHash = messageHashes[j]
            subHash = subMessageHashes[j]
            self.clean_unsubscription(client, subHash, unsubHash)
        self.clean_cache(subscription)

    async def watch_trades_for_symbols(self, symbols: List[str], since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        get the list of most recent trades for a list of symbols

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#aggregate-trades
        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#recent-trades
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Aggregate-Trade-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Aggregate-Trade-Streams

        :param str[] 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 dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.name]: the name of the method to call, 'trade' or 'aggTrade', default is 'trade'
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, False, True, True)
        streamHash = 'multipleTrades'
        if symbols is not None:
            symbolsLength = len(symbols)
            if symbolsLength > 200:
                raise BadRequest(self.id + ' watchTradesForSymbols() accepts 200 symbols at most. To watch more symbols call watchTradesForSymbols() multiple times')
            streamHash += '::' + ','.join(symbols)
        name = None
        name, params = self.handle_option_and_params(params, 'watchTradesForSymbols', 'name', 'trade')
        params = self.omit(params, 'callerMethodName')
        firstMarket = self.market(symbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        messageHashes = []
        subParams = []
        for i in range(0, len(symbols)):
            symbol = symbols[i]
            market = self.market(symbol)
            messageHashes.append('trade::' + symbol)
            rawHash = market['lowercaseId'] + '@' + name
            subParams.append(rawHash)
        query = self.omit(params, 'type')
        subParamsLength = len(subParams)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, streamHash, subParamsLength)
        requestId = self.request_id(url)
        request: dict = {
            'method': 'SUBSCRIBE',
            'params': subParams,
            'id': requestId,
        }
        subscribe: dict = {
            'id': requestId,
        }
        trades = await self.watch_multiple(url, messageHashes, self.extend(request, query), messageHashes, subscribe)
        if self.newUpdates:
            first = self.safe_value(trades, 0)
            tradeSymbol = self.safe_string(first, 'symbol')
            limit = trades.getLimit(tradeSymbol, limit)
        return self.filter_by_since_limit(trades, since, limit, 'timestamp', True)

    async def un_watch_trades_for_symbols(self, symbols: List[str], params={}) -> Any:
        """
        unsubscribes from the trades channel

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#aggregate-trades
        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#recent-trades
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Aggregate-Trade-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Aggregate-Trade-Streams

        :param str[] symbols: unified symbol of the market to fetch trades for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.name]: the name of the method to call, 'trade' or 'aggTrade', default is 'trade'
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, False, True, True)
        streamHash = 'multipleTrades'
        if symbols is not None:
            symbolsLength = len(symbols)
            if symbolsLength > 200:
                raise BadRequest(self.id + ' watchTradesForSymbols() accepts 200 symbols at most. To watch more symbols call watchTradesForSymbols() multiple times')
            streamHash += '::' + ','.join(symbols)
        name = None
        name, params = self.handle_option_and_params(params, 'watchTradesForSymbols', 'name', 'trade')
        params = self.omit(params, 'callerMethodName')
        firstMarket = self.market(symbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        subMessageHashes = []
        subParams = []
        messageHashes = []
        for i in range(0, len(symbols)):
            symbol = symbols[i]
            market = self.market(symbol)
            subMessageHashes.append('trade::' + symbol)
            messageHashes.append('unsubscribe:trade:' + symbol)
            rawHash = market['lowercaseId'] + '@' + name
            subParams.append(rawHash)
        query = self.omit(params, 'type')
        subParamsLength = len(subParams)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, streamHash, subParamsLength)
        requestId = self.request_id(url)
        request: dict = {
            'method': 'UNSUBSCRIBE',
            'params': subParams,
            'id': requestId,
        }
        subscription: dict = {
            'unsubscribe': True,
            'id': str(requestId),
            'subMessageHashes': subMessageHashes,
            'messageHashes': messageHashes,
            'symbols': symbols,
            'topic': 'trades',
        }
        return await self.watch_multiple(url, messageHashes, self.extend(request, query), messageHashes, subscription)

    async def un_watch_trades(self, symbol: str, params={}) -> Any:
        """
        unsubscribes from the trades channel

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#aggregate-trades
        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#recent-trades
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Aggregate-Trade-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Aggregate-Trade-Streams

        :param str symbol: unified symbol of the market to fetch trades for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.name]: the name of the method to call, 'trade' or 'aggTrade', default is 'trade'
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        await self.load_markets()
        return await self.un_watch_trades_for_symbols([symbol], params)

    async def watch_trades(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        get the list of most recent trades for a particular symbol

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#aggregate-trades
        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#recent-trades
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Aggregate-Trade-Streams
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Aggregate-Trade-Streams

        :param str 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 dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.name]: the name of the method to call, 'trade' or 'aggTrade', default is 'trade'
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        params['callerMethodName'] = 'watchTrades'
        return await self.watch_trades_for_symbols([symbol], since, limit, params)

    def parse_ws_trade(self, trade, market=None) -> Trade:
        #
        # public watchTrades
        #
        #     {
        #         "e": "trade",       # event type
        #         "E": 1579481530911,  # event time
        #         "s": "ETHBTC",      # symbol
        #         "t": 158410082,     # trade id
        #         "p": "0.01914100",  # price
        #         "q": "0.00700000",  # quantity
        #         "b": 586187049,     # buyer order id
        #         "a": 586186710,     # seller order id
        #         "T": 1579481530910,  # trade time
        #         "m": False,         # is the buyer the market maker
        #         "M": True           # binance docs say it should be ignored
        #     }
        #
        #     {
        #        "e": "aggTrade",  # Event type
        #        "E": 123456789,   # Event time
        #        "s": "BNBBTC",    # Symbol
        #        "a": 12345,       # Aggregate trade ID
        #        "p": "0.001",     # Price
        #        "q": "100",       # Quantity
        #        "f": 100,         # First trade ID
        #        "l": 105,         # Last trade ID
        #        "T": 123456785,   # Trade time
        #        "m": True,        # Is the buyer the market maker?
        #        "M": True         # Ignore
        #     }
        #
        # private watchMyTrades spot
        #
        #     {
        #         "e": "executionReport",
        #         "E": 1611063861489,
        #         "s": "BNBUSDT",
        #         "c": "m4M6AD5MF3b1ERe65l4SPq",
        #         "S": "BUY",
        #         "o": "MARKET",
        #         "f": "GTC",
        #         "q": "2.00000000",
        #         "p": "0.00000000",
        #         "P": "0.00000000",
        #         "F": "0.00000000",
        #         "g": -1,
        #         "C": '',
        #         "x": "TRADE",
        #         "X": "PARTIALLY_FILLED",
        #         "r": "NONE",
        #         "i": 1296882607,
        #         "l": "0.33200000",
        #         "z": "0.33200000",
        #         "L": "46.86600000",
        #         "n": "0.00033200",
        #         "N": "BNB",
        #         "T": 1611063861488,
        #         "t": 109747654,
        #         "I": 2696953381,
        #         "w": False,
        #         "m": False,
        #         "M": True,
        #         "O": 1611063861488,
        #         "Z": "15.55951200",
        #         "Y": "15.55951200",
        #         "Q": "0.00000000"
        #     }
        #
        # private watchMyTrades future/delivery
        #
        #     {
        #         "s": "BTCUSDT",
        #         "c": "pb2jD6ZQHpfzSdUac8VqMK",
        #         "S": "SELL",
        #         "o": "MARKET",
        #         "f": "GTC",
        #         "q": "0.001",
        #         "p": "0",
        #         "ap": "33468.46000",
        #         "sp": "0",
        #         "x": "TRADE",
        #         "X": "FILLED",
        #         "i": 13351197194,
        #         "l": "0.001",
        #         "z": "0.001",
        #         "L": "33468.46",
        #         "n": "0.00027086",
        #         "N": "BNB",
        #         "T": 1612095165362,
        #         "t": 458032604,
        #         "b": "0",
        #         "a": "0",
        #         "m": False,
        #         "R": False,
        #         "wt": "CONTRACT_PRICE",
        #         "ot": "MARKET",
        #         "ps": "BOTH",
        #         "cp": False,
        #         "rp": "0.00335000",
        #         "pP": False,
        #         "si": 0,
        #         "ss": 0
        #     }
        #
        executionType = self.safe_string(trade, 'x')
        isTradeExecution = (executionType == 'TRADE')
        if not isTradeExecution:
            return self.parse_trade(trade, market)
        id = self.safe_string_2(trade, 't', 'a')
        timestamp = self.safe_integer(trade, 'T')
        price = self.safe_string_2(trade, 'L', 'p')
        amount = self.safe_string(trade, 'q')
        if isTradeExecution:
            amount = self.safe_string(trade, 'l', amount)
        cost = self.safe_string(trade, 'Y')
        if cost is None:
            if (price is not None) and (amount is not None):
                cost = Precise.string_mul(price, amount)
        marketId = self.safe_string(trade, 's')
        marketType = 'contract' if ('ps' in trade) else 'spot'
        symbol = self.safe_symbol(marketId, None, None, marketType)
        side = self.safe_string_lower(trade, 'S')
        takerOrMaker = None
        orderId = self.safe_string(trade, 'i')
        if 'm' in trade:
            if side is None:
                side = 'sell' if trade['m'] else 'buy'  # self is reversed intentionally
            takerOrMaker = 'maker' if trade['m'] else 'taker'
        fee = None
        feeCost = self.safe_string(trade, 'n')
        if feeCost is not None:
            feeCurrencyId = self.safe_string(trade, 'N')
            feeCurrencyCode = self.safe_currency_code(feeCurrencyId)
            fee = {
                'cost': feeCost,
                'currency': feeCurrencyCode,
            }
        type = self.safe_string_lower(trade, 'o')
        return self.safe_trade({
            'info': trade,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': symbol,
            'id': id,
            'order': orderId,
            'type': type,
            'takerOrMaker': takerOrMaker,
            'side': side,
            'price': price,
            'amount': amount,
            'cost': cost,
            'fee': fee,
        })

    def handle_trade(self, client: Client, message):
        # the trade streams push raw trade information in real-time
        # each trade has a unique buyer and seller
        isSpot = self.is_spot_url(client)
        marketType = 'spot' if (isSpot) else 'contract'
        marketId = self.safe_string(message, 's')
        market = self.safe_market(marketId, None, None, marketType)
        symbol = market['symbol']
        messageHash = 'trade::' + symbol
        trade = self.parse_ws_trade(message, market)
        tradesArray = self.safe_value(self.trades, symbol)
        if tradesArray is None:
            limit = self.safe_integer(self.options, 'tradesLimit', 1000)
            tradesArray = ArrayCache(limit)
        tradesArray.append(trade)
        self.trades[symbol] = tradesArray
        client.resolve(tradesArray, messageHash)

    async def watch_ohlcv(self, symbol: str, timeframe: str = '1m', since: Int = None, limit: Int = None, params={}) -> List[list]:
        """
        watches historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#klines
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Kline-Candlestick-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Kline-Candlestick-Streams

        :param str symbol: unified symbol of the market to fetch OHLCV data for
        :param str timeframe: the length of time each candle represents
        :param int [since]: timestamp in ms of the earliest candle to fetch
        :param int [limit]: the maximum amount of candles to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.timezone]: if provided, kline intervals are interpreted in that timezone instead of UTC, example '+08:00'
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        market = self.market(symbol)
        symbol = market['symbol']
        params['callerMethodName'] = 'watchOHLCV'
        result = await self.watch_ohlcv_for_symbols([[symbol, timeframe]], since, limit, params)
        return result[symbol][timeframe]

    async def watch_ohlcv_for_symbols(self, symbolsAndTimeframes: List[List[str]], since: Int = None, limit: Int = None, params={}):
        """
        watches historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#klines
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Kline-Candlestick-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Kline-Candlestick-Streams

        :param str[][] symbolsAndTimeframes: array of arrays containing unified symbols and timeframes to fetch OHLCV data for, example [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]
        :param int [since]: timestamp in ms of the earliest candle to fetch
        :param int [limit]: the maximum amount of candles to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.timezone]: if provided, kline intervals are interpreted in that timezone instead of UTC, example '+08:00'
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        klineType = None
        klineType, params = self.handle_param_string_2(params, 'channel', 'name', 'kline')
        symbols = self.get_list_from_object_values(symbolsAndTimeframes, 0)
        marketSymbols = self.market_symbols(symbols, None, False, False, True)
        firstMarket = self.market(marketSymbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        isSpot = (type == 'spot')
        timezone = None
        timezone, params = self.handle_param_string(params, 'timezone', None)
        isUtc8 = (timezone is not None) and ((timezone == '+08:00') or Precise.string_eq(timezone, '8'))
        rawHashes = []
        messageHashes = []
        for i in range(0, len(symbolsAndTimeframes)):
            symAndTf = symbolsAndTimeframes[i]
            symbolString = symAndTf[0]
            timeframeString = symAndTf[1]
            interval = self.safe_string(self.timeframes, timeframeString, timeframeString)
            market = self.market(symbolString)
            marketId = market['lowercaseId']
            if klineType == 'indexPriceKline':
                # weird behavior for index price kline we can't use the perp suffix
                marketId = marketId.replace('_perp', '')
            shouldUseUTC8 = (isUtc8 and isSpot)
            suffix = '@+08:00'
            utcSuffix = suffix if shouldUseUTC8 else ''
            rawHashes.append(marketId + '@' + klineType + '_' + interval + utcSuffix)
            messageHashes.append('ohlcv::' + market['symbol'] + '::' + timeframeString)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, 'multipleOHLCV')
        requestId = self.request_id(url)
        request = {
            'method': 'SUBSCRIBE',
            'params': rawHashes,
            'id': requestId,
        }
        subscribe = {
            'id': requestId,
        }
        params = self.omit(params, 'callerMethodName')
        res = await self.watch_multiple(url, messageHashes, self.extend(request, params), messageHashes, subscribe)
        symbol, timeframe, candles = res
        if self.newUpdates:
            limit = candles.getLimit(symbol, limit)
        filtered = self.filter_by_since_limit(candles, since, limit, 0, True)
        return self.create_ohlcv_object(symbol, timeframe, filtered)

    async def un_watch_ohlcv_for_symbols(self, symbolsAndTimeframes: List[List[str]], params={}) -> Any:
        """
        unWatches historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#klines
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Kline-Candlestick-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Kline-Candlestick-Streams

        :param str[][] symbolsAndTimeframes: array of arrays containing unified symbols and timeframes to fetch OHLCV data for, example [['BTC/USDT', '1m'], ['LTC/USDT', '5m']]
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.timezone]: if provided, kline intervals are interpreted in that timezone instead of UTC, example '+08:00'
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        klineType = None
        klineType, params = self.handle_param_string_2(params, 'channel', 'name', 'kline')
        symbols = self.get_list_from_object_values(symbolsAndTimeframes, 0)
        marketSymbols = self.market_symbols(symbols, None, False, False, True)
        firstMarket = self.market(marketSymbols[0])
        type = firstMarket['type']
        if firstMarket['contract']:
            type = 'future' if firstMarket['linear'] else 'delivery'
        isSpot = (type == 'spot')
        timezone = None
        timezone, params = self.handle_param_string(params, 'timezone', None)
        isUtc8 = (timezone is not None) and ((timezone == '+08:00') or Precise.string_eq(timezone, '8'))
        rawHashes = []
        subMessageHashes = []
        messageHashes = []
        for i in range(0, len(symbolsAndTimeframes)):
            symAndTf = symbolsAndTimeframes[i]
            symbolString = symAndTf[0]
            timeframeString = symAndTf[1]
            interval = self.safe_string(self.timeframes, timeframeString, timeframeString)
            market = self.market(symbolString)
            marketId = market['lowercaseId']
            if klineType == 'indexPriceKline':
                # weird behavior for index price kline we can't use the perp suffix
                marketId = marketId.replace('_perp', '')
            shouldUseUTC8 = (isUtc8 and isSpot)
            suffix = '@+08:00'
            utcSuffix = suffix if shouldUseUTC8 else ''
            rawHashes.append(marketId + '@' + klineType + '_' + interval + utcSuffix)
            subMessageHashes.append('ohlcv::' + market['symbol'] + '::' + timeframeString)
            messageHashes.append('unsubscribe::ohlcv::' + market['symbol'] + '::' + timeframeString)
        url = self.urls['api']['ws'][type] + '/' + self.stream(type, 'multipleOHLCV')
        requestId = self.request_id(url)
        request = {
            'method': 'UNSUBSCRIBE',
            'params': rawHashes,
            'id': requestId,
        }
        subscribe = {
            'unsubscribe': True,
            'id': str(requestId),
            'symbols': symbols,
            'symbolsAndTimeframes': symbolsAndTimeframes,
            'subMessageHashes': subMessageHashes,
            'messageHashes': messageHashes,
            'topic': 'ohlcv',
        }
        params = self.omit(params, 'callerMethodName')
        return await self.watch_multiple(url, messageHashes, self.extend(request, params), messageHashes, subscribe)

    async def un_watch_ohlcv(self, symbol: str, timeframe: str = '1m', params={}) -> Any:
        """
        unWatches historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#klines
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Kline-Candlestick-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Kline-Candlestick-Streams

        :param str symbol: unified symbol of the market to fetch OHLCV data for
        :param str timeframe: the length of time each candle represents
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.timezone]: if provided, kline intervals are interpreted in that timezone instead of UTC, example '+08:00'
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        market = self.market(symbol)
        symbol = market['symbol']
        params['callerMethodName'] = 'watchOHLCV'
        return await self.un_watch_ohlcv_for_symbols([[symbol, timeframe]], params)

    def handle_ohlcv(self, client: Client, message):
        #
        #     {
        #         "e": "kline",
        #         "E": 1579482921215,
        #         "s": "ETHBTC",
        #         "k": {
        #             "t": 1579482900000,
        #             "T": 1579482959999,
        #             "s": "ETHBTC",
        #             "i": "1m",
        #             "f": 158411535,
        #             "L": 158411550,
        #             "o": "0.01913200",
        #             "c": "0.01913500",
        #             "h": "0.01913700",
        #             "l": "0.01913200",
        #             "v": "5.08400000",
        #             "n": 16,
        #             "x": False,
        #             "q": "0.09728060",
        #             "V": "3.30200000",
        #             "Q": "0.06318500",
        #             "B": "0"
        #         }
        #     }
        #
        event = self.safe_string(message, 'e')
        eventMap: dict = {
            'indexPrice_kline': 'indexPriceKline',
            'markPrice_kline': 'markPriceKline',
        }
        event = self.safe_string(eventMap, event, event)
        kline = self.safe_value(message, 'k')
        marketId = self.safe_string_2(kline, 's', 'ps')
        if event == 'indexPriceKline':
            # indexPriceKline doesn't have the _PERP suffix
            marketId = self.safe_string(message, 'ps')
        interval = self.safe_string(kline, 'i')
        # use a reverse lookup in a static map instead
        unifiedTimeframe = self.find_timeframe(interval)
        parsed = [
            self.safe_integer(kline, 't'),
            self.safe_float(kline, 'o'),
            self.safe_float(kline, 'h'),
            self.safe_float(kline, 'l'),
            self.safe_float(kline, 'c'),
            self.safe_float(kline, 'v'),
        ]
        isSpot = self.is_spot_url(client)
        marketType = 'spot' if (isSpot) else 'contract'
        symbol = self.safe_symbol(marketId, None, None, marketType)
        messageHash = 'ohlcv::' + symbol + '::' + unifiedTimeframe
        self.ohlcvs[symbol] = self.safe_value(self.ohlcvs, symbol, {})
        stored = self.safe_value(self.ohlcvs[symbol], unifiedTimeframe)
        if stored is None:
            limit = self.safe_integer(self.options, 'OHLCVLimit', 1000)
            stored = ArrayCacheByTimestamp(limit)
            self.ohlcvs[symbol][unifiedTimeframe] = stored
        stored.append(parsed)
        resolveData = [symbol, unifiedTimeframe, stored]
        client.resolve(resolveData, messageHash)

    async def fetch_ticker_ws(self, symbol: str, params={}) -> Ticker:
        """
        fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.method]: method to use can be ticker.price or ticker.book
        :param boolean [params.returnRateLimits]: return the rate limits for the exchange
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        payload: dict = {
            'symbol': market['id'],
        }
        type = self.get_market_type('fetchTickerWs', market, params)
        if type != 'future':
            raise BadRequest(self.id + ' fetchTickerWs only supports swap markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        subscription: dict = {
            'method': self.handle_ticker_ws,
        }
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchTickerWs', 'returnRateLimits', False)
        payload['returnRateLimits'] = returnRateLimits
        params = self.omit(params, 'test')
        method = None
        method, params = self.handle_option_and_params(params, 'fetchTickerWs', 'method', 'ticker.book')
        message: dict = {
            'id': messageHash,
            'method': method,
            'params': self.sign_params(self.extend(payload, params)),
        }
        ticker = await self.watch(url, messageHash, message, messageHash, subscription)
        return ticker

    async def fetch_ohlcv_ws(self, symbol: str, timeframe: str = '1m', since: Int = None, limit: Int = None, params={}) -> List[list]:
        """
        query historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#klines

        :param str symbol: unified symbol of the market to query OHLCV data for
        :param str timeframe: the length of time each candle represents
        :param int since: timestamp in ms of the earliest candle to fetch
        :param int limit: the maximum amount of candles to fetch
        :param dict params: extra parameters specific to the exchange API endpoint
        :param int params['until']: timestamp in ms of the earliest candle to fetch

 EXCHANGE SPECIFIC PARAMETERS
        :param str params['timeZone']: default=0(UTC)
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        market = self.market(symbol)
        marketType = self.get_market_type('fetchOHLCVWs', market, params)
        if marketType != 'spot' and marketType != 'future':
            raise BadRequest(self.id + ' fetchOHLCVWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][marketType]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchOHLCVWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
            'interval': self.timeframes[timeframe],
        }
        until = self.safe_integer(params, 'until')
        params = self.omit(params, 'until')
        if since is not None:
            payload['startTime'] = since
        if limit is not None:
            payload['limit'] = limit
        if until is not None:
            payload['endTime'] = until
        message: dict = {
            'id': messageHash,
            'method': 'klines',
            'params': self.extend(payload, params),
        }
        subscription: dict = {
            'method': self.handle_fetch_ohlcv,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    def handle_fetch_ohlcv(self, client: Client, message):
        #
        #    {
        #        "id": "1dbbeb56-8eea-466a-8f6e-86bdcfa2fc0b",
        #        "status": 200,
        #        "result": [
        #            [
        #                1655971200000,      # Kline open time
        #                "0.01086000",       # Open price
        #                "0.01086600",       # High price
        #                "0.01083600",       # Low price
        #                "0.01083800",       # Close price
        #                "2290.53800000",    # Volume
        #                1655974799999,      # Kline close time
        #                "24.85074442",      # Quote asset volume
        #                2283,               # Number of trades
        #                "1171.64000000",    # Taker buy base asset volume
        #                "12.71225884",      # Taker buy quote asset volume
        #                "0"                 # Unused field, ignore
        #            ]
        #        ],
        #        "rateLimits": [
        #            {
        #                "rateLimitType": "REQUEST_WEIGHT",
        #                "interval": "MINUTE",
        #                "intervalNum": 1,
        #                "limit": 6000,
        #                "count": 2
        #            }
        #        ]
        #    }
        #
        result = self.safe_list(message, 'result')
        parsed = self.parse_ohlcvs(result)
        # use a reverse lookup in a static map instead
        messageHash = self.safe_string(message, 'id')
        client.resolve(parsed, messageHash)

    async def watch_ticker(self, symbol: str, params={}) -> Ticker:
        """
        watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#individual-symbol-mini-ticker-stream
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#all-market-mini-tickers-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.name]: stream to use can be ticker or miniTicker
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        symbol = self.symbol(symbol)
        tickers = await self.watch_tickers([symbol], self.extend(params, {'callerMethodName': 'watchTicker'}))
        return tickers[symbol]

    async def watch_mark_price(self, symbol: str, params={}) -> Ticker:
        """
        watches a mark price for a specific market

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Mark-Price-Stream

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean [params.use1sFreq]: *default is True* if set to True, the mark price will be updated every second, otherwise every 3 seconds
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        symbol = self.symbol(symbol)
        tickers = await self.watch_mark_prices([symbol], self.extend(params, {'callerMethodName': 'watchMarkPrice'}))
        return tickers[symbol]

    async def watch_mark_prices(self, symbols: Strings = None, params={}) -> Tickers:
        """
        watches the mark price for all markets

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Mark-Price-Stream-for-All-market

        :param str[] symbols: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean [params.use1sFreq]: *default is True* if set to True, the mark price will be updated every second, otherwise every 3 seconds
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        channelName = None
        # for now watchmarkPrice uses the same messageHash
        # so it's impossible to watch both at the same time
        # refactor self to use different messageHashes
        channelName, params = self.handle_option_and_params(params, 'watchMarkPrices', 'name', 'markPrice')
        newTickers = await self.watch_multi_ticker_helper('watchMarkPrices', channelName, symbols, params)
        if self.newUpdates:
            return newTickers
        return self.filter_by_array(self.tickers, 'symbol', symbols)

    async def watch_tickers(self, symbols: Strings = None, params={}) -> Tickers:
        """
        watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#individual-symbol-mini-ticker-stream
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#all-market-mini-tickers-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams

        :param str[] symbols: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        channelName = None
        channelName, params = self.handle_option_and_params(params, 'watchTickers', 'name', 'ticker')
        if channelName == 'bookTicker':
            raise BadRequest(self.id + ' deprecation notice - to subscribe for bids-asks, use watch_bids_asks() method instead')
        newTickers = await self.watch_multi_ticker_helper('watchTickers', channelName, symbols, params)
        if self.newUpdates:
            return newTickers
        return self.filter_by_array(self.tickers, 'symbol', symbols)

    async def un_watch_tickers(self, symbols: Strings = None, params={}) -> Any:
        """
        unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#individual-symbol-mini-ticker-stream
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#all-market-mini-tickers-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams

        :param str[] symbols: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        channelName = None
        channelName, params = self.handle_option_and_params(params, 'watchTickers', 'name', 'ticker')
        if channelName == 'bookTicker':
            raise BadRequest(self.id + ' deprecation notice - to subscribe for bids-asks, use watch_bids_asks() method instead')
        return await self.watch_multi_ticker_helper('unWatchTickers', channelName, symbols, params, True)

    async def un_watch_mark_prices(self, symbols: Strings = None, params={}) -> Any:
        """
        unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Mark-Price-Stream

        :param str[] symbols: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        channelName = None
        channelName, params = self.handle_option_and_params(params, 'watchMarkPrices', 'name', 'markPrice')
        await self.load_markets()
        return await self.watch_multi_ticker_helper('unWatchMarkPrices', channelName, symbols, params, True)

    async def un_watch_mark_price(self, symbol: str, params={}) -> Any:
        """
        unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list

        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Mark-Price-Stream

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        return await self.un_watch_mark_prices([symbol], params)

    async def un_watch_ticker(self, symbol: str, params={}) -> Any:
        """
        unWatches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list

        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#individual-symbol-mini-ticker-stream
        https://developers.binance.com/docs/binance-spot-api-docs/web-socket-streams#all-market-mini-tickers-stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Market-Mini-Tickers-Stream
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/Individual-Symbol-Ticker-Streams

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        return await self.un_watch_tickers([symbol], params)

    async def watch_bids_asks(self, symbols: Strings = None, params={}) -> Tickers:
        """
        watches best bid & ask for symbols

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#symbol-order-book-ticker
        https://developers.binance.com/docs/derivatives/coin-margined-futures/websocket-market-streams/All-Book-Tickers-Stream
        https://developers.binance.com/docs/derivatives/usds-margined-futures/websocket-market-streams/All-Book-Tickers-Stream

        :param str[] symbols: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, True, False, True)
        result = await self.watch_multi_ticker_helper('watchBidsAsks', 'bookTicker', symbols, params)
        if self.newUpdates:
            return result
        return self.filter_by_array(self.bidsasks, 'symbol', symbols)

    async def watch_multi_ticker_helper(self, methodName, channelName: str, symbols: Strings = None, params={}, isUnsubscribe: bool = False):
        await self.load_markets()
        symbols = self.market_symbols(symbols, None, True, False, True)
        isBidAsk = (channelName == 'bookTicker')
        isMarkPrice = (channelName == 'markPrice')
        use1sFreq = self.safe_bool(params, 'use1sFreq', True)
        firstMarket = None
        marketType = None
        symbolsDefined = (symbols is not None)
        if symbolsDefined:
            firstMarket = self.market(symbols[0])
        defaultMarket = 'swap' if (isMarkPrice) else None
        marketType, params = self.handle_market_type_and_params(methodName, firstMarket, params, defaultMarket)
        subType = None
        subType, params = self.handle_sub_type_and_params(methodName, firstMarket, params)
        rawMarketType = None
        if self.isLinear(marketType, subType):
            rawMarketType = 'future'
        elif self.isInverse(marketType, subType):
            rawMarketType = 'delivery'
        elif marketType == 'spot':
            rawMarketType = marketType
        else:
            raise NotSupported(self.id + ' ' + methodName + '() does not support options markets')
        if isMarkPrice and not self.in_array(marketType, ['swap', 'future']):
            raise NotSupported(self.id + ' ' + methodName + '() does not support ' + marketType + ' markets yet')
        subscriptionArgs = []
        messageHashes = []
        unsubscribeMessageHashes = []
        suffix = ''
        if isMarkPrice:
            suffix = '@1s' if (use1sFreq) else ''
        unifiedPrefix: Str = None
        if isBidAsk:
            unifiedPrefix = 'bidask'
        elif isMarkPrice:
            unifiedPrefix = 'markPrice'
        else:
            unifiedPrefix = 'ticker'
        if symbolsDefined:
            for i in range(0, len(symbols)):
                symbol = symbols[i]
                market = self.market(symbol)
                subscriptionArgs.append(market['lowercaseId'] + '@' + channelName + suffix)
                messageHashes.append(unifiedPrefix + ':' + channelName + '@' + symbol)
                if isUnsubscribe:
                    unsubscribeMessageHashes.append('unsubscribe::' + unifiedPrefix + ':' + channelName + '@' + symbol)
        else:
            if isBidAsk:
                if marketType == 'spot':
                    raise ArgumentsRequired(self.id + ' ' + methodName + '() requires symbols for self channel for spot markets')
                subscriptionArgs.append('!' + channelName)
            elif isMarkPrice:
                subscriptionArgs.append('!' + channelName + '@arr' + suffix)
            else:
                subscriptionArgs.append('!' + channelName + '@arr')
            messageHashes.append(unifiedPrefix + 's:' + channelName)
            unsubscribeMessageHashes.append('unsubscribe::' + channelName)
        streamHash = channelName
        if symbolsDefined:
            streamHash = channelName + '::' + ','.join(symbols)
        url = self.urls['api']['ws'][rawMarketType] + '/' + self.stream(rawMarketType, streamHash)
        requestId = self.request_id(url)
        request: dict = {
            'method': 'UNSUBSCRIBE' if isUnsubscribe else 'SUBSCRIBE',
            'params': subscriptionArgs,
            'id': requestId,
        }
        hashes = messageHashes
        subscription: dict = {
            'id': requestId,
        }
        if isUnsubscribe:
            subscription = {
                'unsubscribe': True,
                'id': str(requestId),
                'subMessageHashes': messageHashes,
                'messageHashes': unsubscribeMessageHashes,
                'symbols': symbols,
                'topic': 'ticker',
            }
            hashes = unsubscribeMessageHashes
        result = await self.watch_multiple(url, hashes, self.deep_extend(request, params), hashes, subscription)
        if isUnsubscribe:
            return result
        # for efficiency, we have two type of returned structure here - if symbols array was provided, then individual
        # ticker dict comes in, otherwise all-tickers dict comes in
        if not symbolsDefined:
            return result
        else:
            newDict: dict = {}
            newDict[result['symbol']] = result
            return newDict

    def parse_ws_ticker(self, message, marketType):
        # markPrice
        #   {
        #       "e": "markPriceUpdate",   # Event type
        #       "E": 1562305380000,       # Event time
        #       "s": "BTCUSDT",           # Symbol
        #       "p": "11794.15000000",    # Mark price
        #       "i": "11784.62659091",    # Index price
        #       "P": "11784.25641265",    # Estimated Settle Price, only useful in the last hour before the settlement starts
        #       "r": "0.00038167",        # Funding rate
        #       "T": 1562306400000        # Next funding time
        #   }
        #
        # ticker
        #     {
        #         "e": "24hrTicker",      # event type
        #         "E": 1579485598569,     # event time
        #         "s": "ETHBTC",          # symbol
        #         "p": "-0.00004000",     # price change
        #         "P": "-0.209",          # price change percent
        #         "w": "0.01920495",      # weighted average price
        #         "x": "0.01916500",      # the price of the first trade before the 24hr rolling window
        #         "c": "0.01912500",      # last(closing) price
        #         "Q": "0.10400000",      # last quantity
        #         "b": "0.01912200",      # best bid
        #         "B": "4.10400000",      # best bid quantity
        #         "a": "0.01912500",      # best ask
        #         "A": "0.00100000",      # best ask quantity
        #         "o": "0.01916500",      # open price
        #         "h": "0.01956500",      # high price
        #         "l": "0.01887700",      # low price
        #         "v": "173518.11900000",  # base volume
        #         "q": "3332.40703994",   # quote volume
        #         "O": 1579399197842,     # open time
        #         "C": 1579485597842,     # close time
        #         "F": 158251292,         # first trade id
        #         "L": 158414513,         # last trade id
        #         "n": 163222,            # total number of trades
        #     }
        #
        # miniTicker
        #     {
        #         "e": "24hrMiniTicker",
        #         "E": 1671617114585,
        #         "s": "MOBBUSD",
        #         "c": "0.95900000",
        #         "o": "0.91200000",
        #         "h": "1.04000000",
        #         "l": "0.89400000",
        #         "v": "2109995.32000000",
        #         "q": "2019254.05788000"
        #     }
        # fetchTickerWs
        #     {
        #         "symbol":"BTCUSDT",
        #         "price":"72606.70",
        #         "time":1712526204284
        #     }
        # fetchTickerWs - ticker.book
        #     {
        #         "lastUpdateId":1027024,
        #         "symbol":"BTCUSDT",
        #         "bidPrice":"4.00000000",
        #         "bidQty":"431.00000000",
        #         "askPrice":"4.00000200",
        #         "askQty":"9.00000000",
        #         "time":1589437530011,
        #      }
        #
        marketId = self.safe_string_2(message, 's', 'symbol')
        symbol = self.safe_symbol(marketId, None, None, marketType)
        event = self.safe_string(message, 'e', 'bookTicker')
        if event == '24hrTicker':
            event = 'ticker'
        if event == 'markPriceUpdate':
            # handle self separately because some fields clash with the ticker fields
            return self.safe_ticker({
                'symbol': symbol,
                'timestamp': self.safe_integer(message, 'E'),
                'datetime': self.iso8601(self.safe_integer(message, 'E')),
                'info': message,
                'markPrice': self.safe_string(message, 'p'),
                'indexPrice': self.safe_string(message, 'i'),
            })
        timestamp = None
        if event == 'bookTicker':
            # take the event timestamp, if available, for spot tickers it is not
            timestamp = self.safe_integer_2(message, 'E', 'time')
        else:
            # take the timestamp of the closing price for candlestick streams
            timestamp = self.safe_integer_n(message, ['C', 'E', 'time'])
        market = self.safe_market(marketId, None, None, marketType)
        last = self.safe_string_2(message, 'c', 'price')
        return self.safe_ticker({
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': self.safe_string(message, 'h'),
            'low': self.safe_string(message, 'l'),
            'bid': self.safe_string_2(message, 'b', 'bidPrice'),
            'bidVolume': self.safe_string_2(message, 'B', 'bidQty'),
            'ask': self.safe_string_2(message, 'a', 'askPrice'),
            'askVolume': self.safe_string_2(message, 'A', 'askQty'),
            'vwap': self.safe_string(message, 'w'),
            'open': self.safe_string(message, 'o'),
            'close': last,
            'last': last,
            'previousClose': self.safe_string(message, 'x'),  # previous day close
            'change': self.safe_string(message, 'p'),
            'percentage': self.safe_string(message, 'P'),
            'average': None,
            'baseVolume': self.safe_string(message, 'v'),
            'quoteVolume': self.safe_string(message, 'q'),
            'info': message,
        }, market)

    def handle_ticker_ws(self, client: Client, message):
        #
        # ticker.price
        #    {
        #        "id":"1",
        #        "status":200,
        #        "result":{
        #            "symbol":"BTCUSDT",
        #            "price":"73178.50",
        #            "time":1712527052374
        #        }
        #    }
        # ticker.book
        #    {
        #        "id":"9d32157c-a556-4d27-9866-66760a174b57",
        #        "status":200,
        #        "result":{
        #            "lastUpdateId":1027024,
        #            "symbol":"BTCUSDT",
        #            "bidPrice":"4.00000000",
        #            "bidQty":"431.00000000",
        #            "askPrice":"4.00000200",
        #            "askQty":"9.00000000",
        #            "time":1589437530011   # Transaction time
        #        }
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_value(message, 'result', {})
        ticker = self.parse_ws_ticker(result, 'future')
        client.resolve(ticker, messageHash)

    def handle_bids_asks(self, client: Client, message):
        #
        # arrives one symbol dict or array of symbol dicts
        #
        #     {
        #         "u": 7488717758,
        #         "s": "BTCUSDT",
        #         "b": "28621.74000000",
        #         "B": "1.43278800",
        #         "a": "28621.75000000",
        #         "A": "2.52500800"
        #     }
        #
        self.handle_tickers_and_bids_asks(client, message, 'bidasks')

    def handle_tickers(self, client: Client, message):
        #
        # arrives one symbol dict or array of symbol dicts
        #
        #     {
        #         "e": "24hrTicker",      # event type
        #         "E": 1579485598569,     # event time
        #         "s": "ETHBTC",          # symbol
        #         "p": "-0.00004000",     # price change
        #         "P": "-0.209",          # price change percent
        #         "w": "0.01920495",      # weighted average price
        #         "x": "0.01916500",      # the price of the first trade before the 24hr rolling window
        #         "c": "0.01912500",      # last(closing) price
        #         "Q": "0.10400000",      # last quantity
        #         "b": "0.01912200",      # best bid
        #         "B": "4.10400000",      # best bid quantity
        #         "a": "0.01912500",      # best ask
        #         "A": "0.00100000",      # best ask quantity
        #         "o": "0.01916500",      # open price
        #         "h": "0.01956500",      # high price
        #         "l": "0.01887700",      # low price
        #         "v": "173518.11900000",  # base volume
        #         "q": "3332.40703994",   # quote volume
        #         "O": 1579399197842,     # open time
        #         "C": 1579485597842,     # close time
        #         "F": 158251292,         # first trade id
        #         "L": 158414513,         # last trade id
        #         "n": 163222,            # total number of trades
        #     }
        #
        self.handle_tickers_and_bids_asks(client, message, 'tickers')

    def handle_mark_prices(self, client: Client, message):
        self.handle_tickers_and_bids_asks(client, message, 'markPrices')

    def handle_tickers_and_bids_asks(self, client: Client, message, methodType):
        isSpot = self.is_spot_url(client)
        marketType = 'spot' if (isSpot) else 'contract'
        isBidAsk = (methodType == 'bidasks')
        isMarkPrice = (methodType == 'markPrices')
        unifiedPrefix: Str = None
        if isBidAsk:
            unifiedPrefix = 'bidask'
        elif isMarkPrice:
            unifiedPrefix = 'markPrice'
        else:
            unifiedPrefix = 'ticker'
        channelName = None
        resolvedMessageHashes = []
        rawTickers = []
        newTickers: dict = {}
        if isinstance(message, list):
            rawTickers = message
        else:
            rawTickers.append(message)
        for i in range(0, len(rawTickers)):
            ticker = rawTickers[i]
            event = self.safe_string(ticker, 'e')
            if isBidAsk:
                event = 'bookTicker'  # in `handleMessage`, bookTicker doesn't have identifier, so manually set here
            channelName = self.safe_string(self.options['tickerChannelsMap'], event, event)
            if channelName is None:
                continue
            parsedTicker = self.parse_ws_ticker(ticker, marketType)
            symbol = parsedTicker['symbol']
            newTickers[symbol] = parsedTicker
            if isBidAsk:
                self.bidsasks[symbol] = parsedTicker
            else:
                self.tickers[symbol] = parsedTicker
            messageHash = unifiedPrefix + ':' + channelName + '@' + symbol
            resolvedMessageHashes.append(messageHash)
            client.resolve(parsedTicker, messageHash)
        # resolve batch endpoint
        length = len(resolvedMessageHashes)
        if length > 0:
            batchMessageHash = unifiedPrefix + 's:' + channelName
            client.resolve(newTickers, batchMessageHash)

    def sign_params(self, params={}):
        self.check_required_credentials()
        defaultRecvWindow = self.safe_integer(self.options, 'recvWindow')
        if defaultRecvWindow is not None:
            params['recvWindow'] = defaultRecvWindow
        recvWindow = self.safe_integer(params, 'recvWindow')
        if recvWindow is not None:
            params['recvWindow'] = recvWindow
        extendedParams = self.extend({
            'timestamp': self.nonce(),
            'apiKey': self.apiKey,
        }, params)
        extendedParams = self.keysort(extendedParams)
        query = self.rawencode(extendedParams)
        signature = None
        if self.secret.find('PRIVATE KEY') > -1:
            if len(self.secret) > 120:
                signature = self.rsa(query, self.secret, 'sha256')
            else:
                signature = self.eddsa(self.encode(query), self.secret, 'ed25519')
        else:
            signature = self.hmac(self.encode(query), self.encode(self.secret), hashlib.sha256)
        extendedParams['signature'] = signature
        return extendedParams

    async def ensure_user_data_stream_ws_subscribe_signature(self, marketType: str = 'spot'):
        """
        watches best bid & ask for symbols
 @param marketType {string} only support on 'spot'

        {@link https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/user-data-stream-requests#subscribe-to-user-data-stream-through-signature-subscription-user_data Binance User Data Stream Documentation}

        :returns: Promise<number> The subscription ID for the user data stream
        """
        url = self.urls['api']['ws']['ws-api'][marketType]
        client = self.client(url)
        subscriptions = client.subscriptions
        subscriptionsKeys = list(subscriptions.keys())
        accountType = self.get_account_type_from_subscriptions(subscriptionsKeys)
        if accountType == marketType:
            return
        client.subscriptions[marketType] = True
        requestId = self.request_id(url)
        messageHash = str(requestId)
        message: dict = {
            'id': messageHash,
            'method': 'userDataStream.subscribe.signature',
            'params': self.sign_params({}),
        }
        subscription: dict = {
            'id': messageHash,
            'method': self.handle_user_data_stream_subscribe,
            'subscription': marketType,
        }
        await self.watch(url, messageHash, message, messageHash, subscription)

    def handle_user_data_stream_subscribe(self, client: Client, message):
        #
        #   {
        #     "id": 1,
        #     "status": 200,
        #     "result": {
        #         "subscriptionId": 0
        #     }
        #   }
        #
        messageHash = self.safe_string(message, 'id')
        subscriptions = client.subscriptions
        subscriptionsKeys = list(subscriptions.keys())
        accountType = self.get_account_type_from_subscriptions(subscriptionsKeys)
        result = self.safe_dict(message, 'result', {})
        subscriptionId = self.safe_integer(result, 'subscriptionId')
        if subscriptionId is None:
            del client.subscriptions[accountType]
            client.reject(message, accountType)
        client.resolve(message, messageHash)

    async def authenticate(self, params={}):
        time = self.milliseconds()
        type = None
        type, params = self.handle_market_type_and_params('authenticate', None, params)
        subType = None
        subType, params = self.handle_sub_type_and_params('authenticate', None, params)
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'authenticate', 'papi', 'portfolioMargin', False)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        # For spot use WebSocket API signature subscription
        if type == 'spot':
            await self.ensure_user_data_stream_ws_subscribe_signature('spot')
            return
        marginMode = None
        marginMode, params = self.handle_margin_mode_and_params('authenticate', params)
        isIsolatedMargin = (marginMode == 'isolated')
        isCrossMargin = (marginMode == 'cross') or (marginMode is None)
        symbol = self.safe_string(params, 'symbol')
        params = self.omit(params, 'symbol')
        options = self.safe_value(self.options, type, {})
        lastAuthenticatedTime = self.safe_integer(options, 'lastAuthenticatedTime', 0)
        listenKeyRefreshRate = self.safe_integer(self.options, 'listenKeyRefreshRate', 1200000)
        delay = self.sum(listenKeyRefreshRate, 10000)
        if time - lastAuthenticatedTime > delay:
            response = None
            if isPortfolioMargin:
                response = await self.papiPostListenKey(params)
                params = self.extend(params, {'portfolioMargin': True})
            elif type == 'future':
                response = await self.fapiPrivatePostListenKey(params)
            elif type == 'delivery':
                response = await self.dapiPrivatePostListenKey(params)
            elif type == 'margin' and isCrossMargin:
                response = await self.sapiPostUserDataStream(params)
            elif isIsolatedMargin:
                if symbol is None:
                    raise ArgumentsRequired(self.id + ' authenticate() requires a symbol argument for isolated margin mode')
                marketId = self.market_id(symbol)
                params = self.extend(params, {'symbol': marketId})
                response = await self.sapiPostUserDataStreamIsolated(params)
            else:
                response = await self.publicPostUserDataStream(params)
            self.options[type] = self.extend(options, {
                'listenKey': self.safe_string(response, 'listenKey'),
                'lastAuthenticatedTime': time,
            })
            self.delay(listenKeyRefreshRate, self.keep_alive_listen_key, params)

    async def keep_alive_listen_key(self, params={}):
        # https://binance-docs.github.io/apidocs/spot/en/#listen-key-spot
        type = self.safe_string_2(self.options, 'defaultType', 'authenticate', 'spot')
        type = self.safe_string(params, 'type', type)
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'keepAliveListenKey', 'papi', 'portfolioMargin', False)
        subTypeInfo = self.handle_sub_type_and_params('keepAliveListenKey', None, params)
        subType = subTypeInfo[0]
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        options = self.safe_value(self.options, type, {})
        listenKey = self.safe_string(options, 'listenKey')
        if listenKey is None:
            # A network error happened: we can't renew a listen key that does not exist.
            return
        request: dict = {}
        symbol = self.safe_string(params, 'symbol')
        params = self.omit(params, ['type', 'symbol'])
        time = self.milliseconds()
        try:
            if isPortfolioMargin:
                await self.papiPutListenKey(self.extend(request, params))
                params = self.extend(params, {'portfolioMargin': True})
            elif type == 'future':
                await self.fapiPrivatePutListenKey(self.extend(request, params))
            elif type == 'delivery':
                await self.dapiPrivatePutListenKey(self.extend(request, params))
            else:
                request['listenKey'] = listenKey
                if type == 'margin':
                    request['symbol'] = symbol
                    await self.sapiPutUserDataStream(self.extend(request, params))
                else:
                    await self.publicPutUserDataStream(self.extend(request, params))
        except Exception as error:
            urlType = type
            if isPortfolioMargin:
                urlType = 'papi'
            url = self.urls['api']['ws'][urlType] + '/' + self.options[type]['listenKey']
            client = self.client(url)
            messageHashes = list(client.futures.keys())
            for i in range(0, len(messageHashes)):
                messageHash = messageHashes[i]
                client.reject(error, messageHash)
            self.options[type] = self.extend(options, {
                'listenKey': None,
                'lastAuthenticatedTime': 0,
            })
            return
        self.options[type] = self.extend(options, {
            'listenKey': listenKey,
            'lastAuthenticatedTime': time,
        })
        # whether or not to schedule another listenKey keepAlive request
        clients = list(self.clients.values())
        listenKeyRefreshRate = self.safe_integer(self.options, 'listenKeyRefreshRate', 1200000)
        for i in range(0, len(clients)):
            client = clients[i]
            subscriptionKeys = list(client.subscriptions.keys())
            for j in range(0, len(subscriptionKeys)):
                subscribeType = subscriptionKeys[j]
                if subscribeType == type:
                    self.delay(listenKeyRefreshRate, self.keep_alive_listen_key, params)
                    return

    def set_balance_cache(self, client: Client, type, isPortfolioMargin=False):
        if (type in client.subscriptions) and (type in self.balance):
            return
        options = self.safe_value(self.options, 'watchBalance')
        fetchBalanceSnapshot = self.safe_bool(options, 'fetchBalanceSnapshot', False)
        if fetchBalanceSnapshot:
            messageHash = type + ':fetchBalanceSnapshot'
            if not (messageHash in client.futures):
                client.future(messageHash)
                self.spawn(self.load_balance_snapshot, client, messageHash, type, isPortfolioMargin)
        else:
            self.balance[type] = {}

    async def load_balance_snapshot(self, client, messageHash, type, isPortfolioMargin):
        params: dict = {
            'type': type,
        }
        if isPortfolioMargin:
            params['portfolioMargin'] = True
        response = await self.fetch_balance(params)
        self.balance[type] = self.extend(response, self.safe_value(self.balance, type, {}))
        # don't remove the future from the .futures cache
        future = client.futures[messageHash]
        future.resolve()
        client.resolve(self.balance[type], type + ':balance')

    async def fetch_balance_ws(self, params={}) -> Balances:
        """
        fetch balance and get the amount of funds available for trading or funds locked in orders

        https://developers.binance.com/docs/derivatives/usds-margined-futures/account/websocket-api/Futures-Account-Balance
        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/account-requests#account-information-user_data
        https://developers.binance.com/docs/derivatives/coin-margined-futures/account/websocket-api

        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str|None [params.type]: 'future', 'delivery', 'savings', 'funding', or 'spot'
        :param str|None [params.marginMode]: 'cross' or 'isolated', for margin trading, uses self.options.defaultMarginMode if not passed, defaults to None/None/None
        :param str[]|None [params.symbols]: unified market symbols, only used in isolated margin mode
        :param str|None [params.method]: method to use. Can be account.balance, account.status, v2/account.balance or v2/account.status
        :returns dict: a `balance structure <https://docs.ccxt.com/#/?id=balance-structure>`
        """
        await self.load_markets()
        type = self.get_market_type('fetchBalanceWs', None, params)
        if type != 'spot' and type != 'future' and type != 'delivery':
            raise BadRequest(self.id + ' fetchBalanceWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchBalanceWs', 'returnRateLimits', False)
        payload: dict = {
            'returnRateLimits': returnRateLimits,
        }
        method = None
        method, params = self.handle_option_and_params(params, 'fetchBalanceWs', 'method', 'account.status')
        message: dict = {
            'id': messageHash,
            'method': method,
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_account_status_ws if (method == 'account.status') else self.handle_balance_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    def handle_balance_ws(self, client: Client, message):
        #
        #
        messageHash = self.safe_string(message, 'id')
        rawBalance = None
        if isinstance(message['result'], list):
            # account.balance
            rawBalance = self.safe_list(message, 'result', [])
        else:
            # account.status
            result = self.safe_dict(message, 'result', {})
            rawBalance = self.safe_list(result, 'assets', [])
        parsedBalances = self.parseBalanceCustom(rawBalance)
        client.resolve(parsedBalances, messageHash)

    def handle_account_status_ws(self, client: Client, message):
        #
        # spot
        #    {
        #        "id": "605a6d20-6588-4cb9-afa0-b0ab087507ba",
        #        "status": 200,
        #        "result": {
        #            "makerCommission": 15,
        #            "takerCommission": 15,
        #            "buyerCommission": 0,
        #            "sellerCommission": 0,
        #            "canTrade": True,
        #            "canWithdraw": True,
        #            "canDeposit": True,
        #            "commissionRates": {
        #                "maker": "0.00150000",
        #                "taker": "0.00150000",
        #                "buyer": "0.00000000",
        #                "seller": "0.00000000"
        #            },
        #            "brokered": False,
        #            "requireSelfTradePrevention": False,
        #            "updateTime": 1660801833000,
        #            "accountType": "SPOT",
        #            "balances": [{
        #                    "asset": "BNB",
        #                    "free": "0.00000000",
        #                    "locked": "0.00000000"
        #                },
        #                {
        #                    "asset": "BTC",
        #                    "free": "1.3447112",
        #                    "locked": "0.08600000"
        #                },
        #                {
        #                    "asset": "USDT",
        #                    "free": "1021.21000000",
        #                    "locked": "0.00000000"
        #                }
        #            ],
        #            "permissions": [
        #                "SPOT"
        #            ]
        #        }
        #    }
        # swap
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_dict(message, 'result', {})
        parsedBalances = self.parseBalanceCustom(result)
        client.resolve(parsedBalances, messageHash)

    async def fetch_position_ws(self, symbol: str, params={}) -> List[Position]:
        """
        fetch data on an open position

        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/Position-Information

        :param str symbol: unified market symbol of the market the position is held in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `position structure <https://docs.ccxt.com/#/?id=position-structure>`
        """
        return await self.fetch_positions_ws([symbol], params)

    async def fetch_positions_ws(self, symbols: Strings = None, params={}) -> List[Position]:
        """
        fetch all open positions

        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/Position-Information
        https://developers.binance.com/docs/derivatives/coin-margined-futures/trade/websocket-api/Position-Information

        :param str[] [symbols]: list of unified market symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean [params.returnRateLimits]: set to True to return rate limit informations, defaults to False.
        :param str|None [params.method]: method to use. Can be account.position or v2/account.position
        :returns dict[]: a list of `position structure <https://docs.ccxt.com/#/?id=position-structure>`
        """
        await self.load_markets()
        payload: dict = {}
        market = None
        symbols = self.market_symbols(symbols, 'swap', True, True, True)
        if symbols is not None:
            symbolsLength = len(symbols)
            if symbolsLength == 1:
                market = self.market(symbols[0])
                payload['symbol'] = market['id']
        type = self.get_market_type('fetchPositionsWs', market, params)
        if type != 'future' and type != 'delivery':
            raise BadRequest(self.id + ' fetchPositionsWs only supports swap markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchPositionsWs', 'returnRateLimits', False)
        payload['returnRateLimits'] = returnRateLimits
        method = None
        method, params = self.handle_option_and_params(params, 'fetchPositionsWs', 'method', 'account.position')
        message: dict = {
            'id': messageHash,
            'method': method,
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_positions_ws,
        }
        result = await self.watch(url, messageHash, message, messageHash, subscription)
        return self.filter_by_array_positions(result, 'symbol', symbols, False)

    def handle_positions_ws(self, client: Client, message):
        #
        #    {
        #        id: '1',
        #        status: 200,
        #        result: [
        #            {
        #                symbol: 'BTCUSDT',
        #                positionAmt: '-0.014',
        #                entryPrice: '42901.1',
        #                breakEvenPrice: '30138.83333142',
        #                markPrice: '71055.98470333',
        #                unRealizedProfit: '-394.16838584',
        #                liquidationPrice: '137032.02272908',
        #                leverage: '123',
        #                maxNotionalValue: '50000',
        #                marginType: 'cross',
        #                isolatedMargin: '0.00000000',
        #                isAutoAddMargin: 'false',
        #                positionSide: 'BOTH',
        #                notional: '-994.78378584',
        #                isolatedWallet: '0',
        #                updateTime: 1708906343111,
        #                isolated: False,
        #                adlQuantile: 2
        #            },
        #            ...
        #        ]
        #    }
        #
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_list(message, 'result', [])
        positions = []
        for i in range(0, len(result)):
            parsed = self.parse_position_risk(result[i])
            entryPrice = self.safe_string(parsed, 'entryPrice')
            if (entryPrice != '0') and (entryPrice != '0.0') and (entryPrice != '0.00000000'):
                positions.append(parsed)
        client.resolve(positions, messageHash)

    async def watch_balance(self, params={}) -> Balances:
        """
        watch balance and get the amount of funds available for trading or funds locked in orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean [params.portfolioMargin]: set to True if you would like to watch the balance of a portfolio margin account
        :returns dict: a `balance structure <https://docs.ccxt.com/#/?id=balance-structure>`
        """
        await self.load_markets()
        await self.authenticate(params)
        defaultType = self.safe_string(self.options, 'defaultType', 'spot')
        type = self.safe_string(params, 'type', defaultType)
        subType = None
        subType, params = self.handle_sub_type_and_params('watchBalance', None, params)
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'watchBalance', 'papi', 'portfolioMargin', False)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        url = ''
        urlType = type
        if type == 'spot':
            # route to WebSocket API connection where the user data stream is subscribed
            url = self.urls['api']['ws']['ws-api'][type]
        else:
            if isPortfolioMargin:
                urlType = 'papi'
            url = self.urls['api']['ws'][urlType] + '/' + self.options[type]['listenKey']
        client = self.client(url)
        self.set_balance_cache(client, type, isPortfolioMargin)
        self.set_positions_cache(client, type, None, isPortfolioMargin)
        options = self.safe_dict(self.options, 'watchBalance')
        fetchBalanceSnapshot = self.safe_bool(options, 'fetchBalanceSnapshot', False)
        awaitBalanceSnapshot = self.safe_bool(options, 'awaitBalanceSnapshot', True)
        if fetchBalanceSnapshot and awaitBalanceSnapshot:
            await client.future(type + ':fetchBalanceSnapshot')
        messageHash = type + ':balance'
        message = None
        return await self.watch(url, messageHash, message, type)

    def handle_balance(self, client: Client, message):
        #
        # sent upon a balance update not related to orders
        #
        #     {
        #         "e": "balanceUpdate",
        #         "E": 1629352505586,
        #         "a": "IOTX",
        #         "d": "0.43750000",
        #         "T": 1629352505585
        #     }
        #
        # sent upon creating or filling an order
        #
        #     {
        #         "e": "outboundAccountPosition",  # Event type
        #         "E": 1564034571105,             # Event Time
        #         "u": 1564034571073,             # Time of last account update
        #         "B": [                         # Balances Array
        #             {
        #                 "a": "ETH",                 # Asset
        #                 "f": "10000.000000",        # Free
        #                 "l": "0.000000"             # Locked
        #             }
        #         ]
        #     }
        #
        # future/delivery
        #
        #     {
        #         "e": "ACCOUNT_UPDATE",            # Event Type
        #         "E": 1564745798939,               # Event Time
        #         "T": 1564745798938 ,              # Transaction
        #         "i": "SfsR",                      # Account Alias
        #         "a": {                           # Update Data
        #             "m":"ORDER",                  # Event reason type
        #             "B":[                        # Balances
        #                 {
        #                     "a":"BTC",                # Asset
        #                     "wb":"122624.12345678",   # Wallet Balance
        #                     "cw":"100.12345678"       # Cross Wallet Balance
        #                 },
        #             ],
        #             "P":[
        #                 {
        #                     "s":"BTCUSD_200925",      # Symbol
        #                     "pa":"0",                 # Position Amount
        #                     "ep":"0.0",               # Entry Price
        #                     "cr":"200",               #(Pre-fee) Accumulated Realized
        #                     "up":"0",                 # Unrealized PnL
        #                     "mt":"isolated",          # Margin Type
        #                     "iw":"0.00000000",        # Isolated Wallet(if isolated position)
        #                     "ps":"BOTH"               # Position Side
        #                 },
        #             ]
        #         }
        #     }
        # externalLockUpdate
        #    {
        #        "e": "externalLockUpdate",  # Event Type
        #        "E": 1581557507324,         # Event Time
        #        "a": "NEO",                 # Asset
        #        "d": "10.00000000",         # Delta
        #        "T": 1581557507268          # Transaction Time
        #    }
        #
        wallet = self.safe_string(self.options, 'wallet', 'wb')  # cw for cross wallet
        # each account is connected to a different endpoint
        subscriptions = client.subscriptions
        subscriptionsKeys = list(subscriptions.keys())
        accountType = self.get_account_type_from_subscriptions(subscriptionsKeys)
        messageHash = accountType + ':balance'
        if self.balance[accountType] is None:
            self.balance[accountType] = {}
        self.balance[accountType]['info'] = message
        event = self.safe_string(message, 'e')
        if event == 'balanceUpdate':
            currencyId = self.safe_string(message, 'a')
            code = self.safe_currency_code(currencyId)
            account = self.account()
            delta = self.safe_string(message, 'd')
            if code in self.balance[accountType]:
                previousValue = self.balance[accountType][code]['free']
                if not isinstance(previousValue, str):
                    previousValue = self.number_to_string(previousValue)
                account['free'] = Precise.string_add(previousValue, delta)
            else:
                account['free'] = delta
            self.balance[accountType][code] = account
        else:
            message = self.safe_dict(message, 'a', message)
            B = self.safe_list(message, 'B')
            for i in range(0, len(B)):
                entry = B[i]
                currencyId = self.safe_string(entry, 'a')
                code = self.safe_currency_code(currencyId)
                account = self.account()
                account['free'] = self.safe_string(entry, 'f')
                account['used'] = self.safe_string(entry, 'l')
                account['total'] = self.safe_string(entry, wallet)
                self.balance[accountType][code] = account
        timestamp = self.safe_integer(message, 'E')
        self.balance[accountType]['timestamp'] = timestamp
        self.balance[accountType]['datetime'] = self.iso8601(timestamp)
        self.balance[accountType] = self.safe_balance(self.balance[accountType])
        client.resolve(self.balance[accountType], messageHash)

    def get_account_type_from_subscriptions(self, subscriptions: List[str]) -> str:
        accountType = ''
        for i in range(0, len(subscriptions)):
            subscription = subscriptions[i]
            if (subscription == 'spot') or (subscription == 'margin') or (subscription == 'future') or (subscription == 'delivery'):
                accountType = subscription
                break
        return accountType

    def get_market_type(self, method, market, params={}):
        type = None
        type, params = self.handle_market_type_and_params(method, market, params)
        subType = None
        subType, params = self.handle_sub_type_and_params(method, market, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        return type

    async def create_order_ws(self, symbol: str, type: OrderType, side: OrderSide, amount: float, price: Num = None, params={}) -> Order:
        """
        create a trade order

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#place-new-order-trade
        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/New-Order
        https://developers.binance.com/docs/derivatives/coin-margined-futures/trade/websocket-api

        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much of currency you want to trade in units of base currency
        :param float|None [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean params['test']: test order, default False
        :param boolean params['returnRateLimits']: set to True to return rate limit information, default False
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        marketType = self.get_market_type('createOrderWs', market, params)
        if marketType != 'spot' and marketType != 'future' and marketType != 'delivery':
            raise BadRequest(self.id + ' createOrderWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][marketType]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        sor = self.safe_bool_2(params, 'sor', 'SOR', False)
        params = self.omit(params, 'sor', 'SOR')
        payload = self.create_order_request(symbol, type, side, amount, price, params)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'createOrderWs', 'returnRateLimits', False)
        payload['returnRateLimits'] = returnRateLimits
        test = self.safe_bool(params, 'test', False)
        params = self.omit(params, 'test')
        message: dict = {
            'id': messageHash,
            'method': 'order.place',
            'params': self.sign_params(self.extend(payload, params)),
        }
        if test:
            if sor:
                message['method'] = 'sor.order.test'
            else:
                message['method'] = 'order.test'
        subscription: dict = {
            'method': self.handle_order_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    def handle_order_ws(self, client: Client, message):
        #
        #    {
        #        "id": 1,
        #        "status": 200,
        #        "result": {
        #          "symbol": "BTCUSDT",
        #          "orderId": 7663053,
        #          "orderListId": -1,
        #          "clientOrderId": "x-R4BD3S82d8959d0f5114499487a614",
        #          "transactTime": 1687642291434,
        #          "price": "25000.00000000",
        #          "origQty": "0.00100000",
        #          "executedQty": "0.00000000",
        #          "cummulativeQuoteQty": "0.00000000",
        #          "status": "NEW",
        #          "timeInForce": "GTC",
        #          "type": "LIMIT",
        #          "side": "BUY",
        #          "workingTime": 1687642291434,
        #          "fills": [],
        #          "selfTradePreventionMode": "NONE"
        #        },
        #        "rateLimits": [
        #          {
        #            "rateLimitType": "ORDERS",
        #            "interval": "SECOND",
        #            "intervalNum": 10,
        #            "limit": 50,
        #            "count": 1
        #          },
        #          {
        #            "rateLimitType": "ORDERS",
        #            "interval": "DAY",
        #            "intervalNum": 1,
        #            "limit": 160000,
        #            "count": 1
        #          },
        #          {
        #            "rateLimitType": "REQUEST_WEIGHT",
        #            "interval": "MINUTE",
        #            "intervalNum": 1,
        #            "limit": 1200,
        #            "count": 12
        #          }
        #        ]
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_dict(message, 'result', {})
        order = self.parse_order(result)
        client.resolve(order, messageHash)

    def handle_orders_ws(self, client: Client, message):
        #
        #    {
        #        "id": 1,
        #        "status": 200,
        #        "result": [{
        #            "symbol": "BTCUSDT",
        #            "orderId": 7665584,
        #            "orderListId": -1,
        #            "clientOrderId": "x-R4BD3S82b54769abdd3e4b57874c52",
        #            "price": "26000.00000000",
        #            "origQty": "0.00100000",
        #            "executedQty": "0.00000000",
        #            "cummulativeQuoteQty": "0.00000000",
        #            "status": "NEW",
        #            "timeInForce": "GTC",
        #            "type": "LIMIT",
        #            "side": "BUY",
        #            "stopPrice": "0.00000000",
        #            "icebergQty": "0.00000000",
        #            "time": 1687642884646,
        #            "updateTime": 1687642884646,
        #            "isWorking": True,
        #            "workingTime": 1687642884646,
        #            "origQuoteOrderQty": "0.00000000",
        #            "selfTradePreventionMode": "NONE"
        #        },
        #        ...
        #        ],
        #        "rateLimits": [{
        #            "rateLimitType": "REQUEST_WEIGHT",
        #            "interval": "MINUTE",
        #            "intervalNum": 1,
        #            "limit": 1200,
        #            "count": 14
        #        }]
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_list(message, 'result', [])
        orders = self.parse_orders(result)
        client.resolve(orders, messageHash)

    async def edit_order_ws(self, id: str, symbol: str, type: OrderType, side: OrderSide, amount: Num = None, price: Num = None, params={}) -> Order:
        """
        edit a trade order

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#cancel-and-replace-order-trade
        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/Modify-Order
        https://developers.binance.com/docs/derivatives/coin-margined-futures/trade/websocket-api/Modify-Order

        :param str id: order id
        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much of the currency you want to trade in units of the base currency
        :param float|None [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        marketType = self.get_market_type('editOrderWs', market, params)
        if marketType != 'spot' and marketType != 'future' and marketType != 'delivery':
            raise BadRequest(self.id + ' editOrderWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][marketType]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        isSwap = (marketType == 'future' or marketType == 'delivery')
        payload = None
        if marketType == 'spot':
            payload = self.editSpotOrderRequest(id, symbol, type, side, amount, price, params)
        elif isSwap:
            payload = self.editContractOrderRequest(id, symbol, type, side, amount, price, params)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'editOrderWs', 'returnRateLimits', False)
        payload['returnRateLimits'] = returnRateLimits
        message: dict = {
            'id': messageHash,
            'method': 'order.modify' if (isSwap) else 'order.cancelReplace',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_edit_order_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    def handle_edit_order_ws(self, client: Client, message):
        #
        # spot
        #    {
        #        "id": 1,
        #        "status": 200,
        #        "result": {
        #            "cancelResult": "SUCCESS",
        #            "newOrderResult": "SUCCESS",
        #            "cancelResponse": {
        #                "symbol": "BTCUSDT",
        #                "origClientOrderId": "x-R4BD3S82813c5d7ffa594104917de2",
        #                "orderId": 7665177,
        #                "orderListId": -1,
        #                "clientOrderId": "mbrnbQsQhtCXCLY45d5q7S",
        #                "price": "26000.00000000",
        #                "origQty": "0.00100000",
        #                "executedQty": "0.00000000",
        #                "cummulativeQuoteQty": "0.00000000",
        #                "status": "CANCELED",
        #                "timeInForce": "GTC",
        #                "type": "LIMIT",
        #                "side": "BUY",
        #                "selfTradePreventionMode": "NONE"
        #            },
        #            "newOrderResponse": {
        #                "symbol": "BTCUSDT",
        #                "orderId": 7665584,
        #                "orderListId": -1,
        #                "clientOrderId": "x-R4BD3S82b54769abdd3e4b57874c52",
        #                "transactTime": 1687642884646,
        #                "price": "26000.00000000",
        #                "origQty": "0.00100000",
        #                "executedQty": "0.00000000",
        #                "cummulativeQuoteQty": "0.00000000",
        #                "status": "NEW",
        #                "timeInForce": "GTC",
        #                "type": "LIMIT",
        #                "side": "BUY",
        #                "workingTime": 1687642884646,
        #                "fills": [],
        #                "selfTradePreventionMode": "NONE"
        #            }
        #        },
        #        "rateLimits": [{
        #                "rateLimitType": "ORDERS",
        #                "interval": "SECOND",
        #                "intervalNum": 10,
        #                "limit": 50,
        #                "count": 1
        #            },
        #            {
        #                "rateLimitType": "ORDERS",
        #                "interval": "DAY",
        #                "intervalNum": 1,
        #                "limit": 160000,
        #                "count": 3
        #            },
        #            {
        #                "rateLimitType": "REQUEST_WEIGHT",
        #                "interval": "MINUTE",
        #                "intervalNum": 1,
        #                "limit": 1200,
        #                "count": 12
        #            }
        #        ]
        #    }
        # swap
        #    {
        #        "id":"1",
        #        "status":200,
        #        "result":{
        #            "orderId":667061487,
        #            "symbol":"LTCUSDT",
        #            "status":"NEW",
        #            "clientOrderId":"x-xcKtGhcu91a74c818749ee42c0f70",
        #            "price":"82.00",
        #            "avgPrice":"0.00",
        #            "origQty":"1.000",
        #            "executedQty":"0.000",
        #            "cumQty":"0.000",
        #            "cumQuote":"0.00000",
        #            "timeInForce":"GTC",
        #            "type":"LIMIT",
        #            "reduceOnly":false,
        #            "closePosition":false,
        #            "side":"BUY",
        #            "positionSide":"BOTH",
        #            "stopPrice":"0.00",
        #            "workingType":"CONTRACT_PRICE",
        #            "priceProtect":false,
        #            "origType":"LIMIT",
        #            "priceMatch":"NONE",
        #            "selfTradePreventionMode":"NONE",
        #            "goodTillDate":0,
        #            "updateTime":1712918927511
        #        }
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_dict(message, 'result', {})
        newSpotOrder = self.safe_dict(result, 'newOrderResponse')
        order = None
        if newSpotOrder is not None:
            order = self.parse_order(newSpotOrder)
        else:
            order = self.parse_order(result)
        client.resolve(order, messageHash)

    async def cancel_order_ws(self, id: str, symbol: Str = None, params={}) -> Order:
        """
        cancel multiple orders

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#cancel-order-trade
        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/Cancel-Order
        https://developers.binance.com/docs/derivatives/coin-margined-futures/trade/websocket-api/Cancel-Order

        :param str id: order id
        :param str [symbol]: unified market symbol, default is None
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str|None [params.cancelRestrictions]: Supported values: ONLY_NEW - Cancel will succeed if the order status is NEW. ONLY_PARTIALLY_FILLED - Cancel will succeed if order status is PARTIALLY_FILLED.
        :returns dict: an list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        if symbol is None:
            raise BadRequest(self.id + ' cancelOrderWs requires a symbol')
        market = self.market(symbol)
        type = self.get_market_type('cancelOrderWs', market, params)
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'cancelOrderWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        clientOrderId = self.safe_string_2(params, 'origClientOrderId', 'clientOrderId')
        if clientOrderId is not None:
            payload['origClientOrderId'] = clientOrderId
        else:
            payload['orderId'] = self.parse_to_int(id)
        params = self.omit(params, ['origClientOrderId', 'clientOrderId'])
        message: dict = {
            'id': messageHash,
            'method': 'order.cancel',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_order_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    async def cancel_all_orders_ws(self, symbol: Str = None, params={}):
        """
        cancel all open orders in a market

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#cancel-open-orders-trade

        :param str [symbol]: unified market symbol of the market to cancel orders in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        type = self.get_market_type('cancelAllOrdersWs', market, params)
        if type != 'spot':
            raise BadRequest(self.id + ' cancelAllOrdersWs only supports spot markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'cancelAllOrdersWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        message: dict = {
            'id': messageHash,
            'method': 'openOrders.cancelAll',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_orders_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    async def fetch_order_ws(self, id: str, symbol: Str = None, params={}) -> Order:
        """
        fetches information on an order made by the user

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#query-order-user_data
        https://developers.binance.com/docs/derivatives/usds-margined-futures/trade/websocket-api/Query-Order
        https://developers.binance.com/docs/derivatives/coin-margined-futures/trade/websocket-api/Query-Order

        :param str id: order id
        :param str [symbol]: unified symbol of the market the order was made in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        if symbol is None:
            raise BadRequest(self.id + ' cancelOrderWs requires a symbol')
        market = self.market(symbol)
        type = self.get_market_type('fetchOrderWs', market, params)
        if type != 'spot' and type != 'future' and type != 'delivery':
            raise BadRequest(self.id + ' fetchOrderWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchOrderWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        clientOrderId = self.safe_string_2(params, 'origClientOrderId', 'clientOrderId')
        if clientOrderId is not None:
            payload['origClientOrderId'] = clientOrderId
        else:
            payload['orderId'] = self.parse_to_int(id)
        message: dict = {
            'id': messageHash,
            'method': 'order.status',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_order_ws,
        }
        return await self.watch(url, messageHash, message, messageHash, subscription)

    async def fetch_orders_ws(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetches information on multiple orders made by the user

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#order-lists

        :param str symbol: unified market symbol of the market orders were made in
        :param int|None [since]: the earliest time in ms to fetch orders for
        :param int|None [limit]: the maximum number of order structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param int [params.orderId]: order id to begin at
        :param int [params.startTime]: earliest time in ms to retrieve orders for
        :param int [params.endTime]: latest time in ms to retrieve orders for
        :param int [params.limit]: the maximum number of order structures to retrieve
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        if symbol is None:
            raise BadRequest(self.id + ' fetchOrdersWs requires a symbol')
        market = self.market(symbol)
        type = self.get_market_type('fetchOrdersWs', market, params)
        if type != 'spot':
            raise BadRequest(self.id + ' fetchOrdersWs only supports spot markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchOrderWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        message: dict = {
            'id': messageHash,
            'method': 'allOrders',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_orders_ws,
        }
        orders = await self.watch(url, messageHash, message, messageHash, subscription)
        return self.filter_by_symbol_since_limit(orders, symbol, since, limit)

    async def fetch_closed_orders_ws(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetch closed orders

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#order-lists

        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch open orders for
        :param int [limit]: the maximum number of open orders structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        orders = await self.fetch_orders_ws(symbol, since, limit, params)
        closedOrders = []
        for i in range(0, len(orders)):
            order = orders[i]
            if order['status'] == 'closed':
                closedOrders.append(order)
        return closedOrders

    async def fetch_open_orders_ws(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetch all unfilled currently open orders

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/trading-requests#current-open-orders-user_data

        :param str symbol: unified market symbol
        :param int|None [since]: the earliest time in ms to fetch open orders for
        :param int|None [limit]: the maximum number of open orders structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        type = self.get_market_type('fetchOpenOrdersWs', market, params)
        if type != 'spot' and type != 'future':
            raise BadRequest(self.id + ' fetchOpenOrdersWs only supports spot or swap markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchOrderWs', 'returnRateLimits', False)
        payload: dict = {
            'returnRateLimits': returnRateLimits,
        }
        if symbol is not None:
            payload['symbol'] = self.market_id(symbol)
        message: dict = {
            'id': messageHash,
            'method': 'openOrders.status',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_orders_ws,
        }
        orders = await self.watch(url, messageHash, message, messageHash, subscription)
        return self.filter_by_symbol_since_limit(orders, symbol, since, limit)

    async def watch_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        watches information on multiple orders made by the user

        https://developers.binance.com/docs/binance-spot-api-docs/user-data-stream#order-update
        https://developers.binance.com/docs/margin_trading/trade-data-stream/Event-Order-Update
        https://developers.binance.com/docs/derivatives/usds-margined-futures/user-data-streams/Event-Order-Update

        :param str symbol: unified market symbol of the market the orders were made in
        :param int [since]: the earliest time in ms to fetch orders for
        :param int [limit]: the maximum number of order structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str|None [params.marginMode]: 'cross' or 'isolated', for spot margin
        :param boolean [params.portfolioMargin]: set to True if you would like to watch portfolio margin account orders
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        messageHash = 'orders'
        market = None
        if symbol is not None:
            market = self.market(symbol)
            symbol = market['symbol']
            messageHash += ':' + symbol
        type = None
        type, params = self.handle_market_type_and_params('watchOrders', market, params)
        subType = None
        subType, params = self.handle_sub_type_and_params('watchOrders', market, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        params = self.extend(params, {'type': type, 'symbol': symbol, 'subType': subType})  # needed inside authenticate for isolated margin
        await self.authenticate(params)
        marginMode = None
        marginMode, params = self.handle_margin_mode_and_params('watchOrders', params)
        urlType = type
        if (type == 'margin') or ((type == 'spot') and (marginMode is not None)):
            urlType = 'spot'  # spot-margin shares the same stream spot
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'watchOrders', 'papi', 'portfolioMargin', False)
        url = ''
        if type == 'spot':
            # route orders to ws-api user data stream
            url = self.urls['api']['ws']['ws-api'][type]
        else:
            if isPortfolioMargin:
                urlType = 'papi'
            url = self.urls['api']['ws'][urlType] + '/' + self.options[type]['listenKey']
        client = self.client(url)
        self.set_balance_cache(client, type, isPortfolioMargin)
        self.set_positions_cache(client, type, None, isPortfolioMargin)
        message = None
        orders = await self.watch(url, messageHash, message, type)
        if self.newUpdates:
            limit = orders.getLimit(symbol, limit)
        return self.filter_by_symbol_since_limit(orders, symbol, since, limit, True)

    def parse_ws_order(self, order, market=None):
        #
        # spot
        #
        #     {
        #         "e": "executionReport",        # Event type
        #         "E": 1499405658658,            # Event time
        #         "s": "ETHBTC",                 # Symbol
        #         "c": "mUvoqJxFIILMdfAW5iGSOW",  # Client order ID
        #         "S": "BUY",                    # Side
        #         "o": "LIMIT",                  # Order type
        #         "f": "GTC",                    # Time in force
        #         "q": "1.00000000",             # Order quantity
        #         "p": "0.10264410",             # Order price
        #         "P": "0.00000000",             # Stop price
        #         "F": "0.00000000",             # Iceberg quantity
        #         "g": -1,                       # OrderListId
        #         "C": null,                     # Original client order ID; This is the ID of the order being canceled
        #         "x": "NEW",                    # Current execution type
        #         "X": "NEW",                    # Current order status
        #         "r": "NONE",                   # Order reject reason; will be an error code.
        #         "i": 4293153,                  # Order ID
        #         "l": "0.00000000",             # Last executed quantity
        #         "z": "0.00000000",             # Cumulative filled quantity
        #         "L": "0.00000000",             # Last executed price
        #         "n": "0",                      # Commission amount
        #         "N": null,                     # Commission asset
        #         "T": 1499405658657,            # Transaction time
        #         "t": -1,                       # Trade ID
        #         "I": 8641984,                  # Ignore
        #         "w": True,                     # Is the order on the book?
        #         "m": False,                    # Is self trade the maker side?
        #         "M": False,                    # Ignore
        #         "O": 1499405658657,            # Order creation time
        #         "Z": "0.00000000",             # Cumulative quote asset transacted quantity
        #         "Y": "0.00000000"              # Last quote asset transacted quantity(i.e. lastPrice * lastQty),
        #         "Q": "0.00000000"              # Quote Order Qty
        #     }
        #
        # future
        #
        #     {
        #         "s":"BTCUSDT",                 # Symbol
        #         "c":"TEST",                    # Client Order Id
        #                                        # special client order id:
        #                                        # starts with "autoclose-": liquidation order
        #                                        # "adl_autoclose": ADL auto close order
        #         "S":"SELL",                    # Side
        #         "o":"TRAILING_STOP_MARKET",    # Order Type
        #         "f":"GTC",                     # Time in Force
        #         "q":"0.001",                   # Original Quantity
        #         "p":"0",                       # Original Price
        #         "ap":"0",                      # Average Price
        #         "sp":"7103.04",                # Stop Price. Please ignore with TRAILING_STOP_MARKET order
        #         "x":"NEW",                     # Execution Type
        #         "X":"NEW",                     # Order Status
        #         "i":8886774,                   # Order Id
        #         "l":"0",                       # Order Last Filled Quantity
        #         "z":"0",                       # Order Filled Accumulated Quantity
        #         "L":"0",                       # Last Filled Price
        #         "N":"USDT",                    # Commission Asset, will not push if no commission
        #         "n":"0",                       # Commission, will not push if no commission
        #         "T":1568879465651,             # Order Trade Time
        #         "t":0,                         # Trade Id
        #         "b":"0",                       # Bids Notional
        #         "a":"9.91",                    # Ask Notional
        #         "m":false,                     # Is self trade the maker side?
        #         "R":false,                     # Is self reduce only
        #         "wt":"CONTRACT_PRICE",         # Stop Price Working Type
        #         "ot":"TRAILING_STOP_MARKET",   # Original Order Type
        #         "ps":"LONG",                   # Position Side
        #         "cp":false,                    # If Close-All, pushed with conditional order
        #         "AP":"7476.89",                # Activation Price, only puhed with TRAILING_STOP_MARKET order
        #         "cr":"5.0",                    # Callback Rate, only puhed with TRAILING_STOP_MARKET order
        #         "rp":"0"                       # Realized Profit of the trade
        #     }
        #
        executionType = self.safe_string(order, 'x')
        orderId = self.safe_string(order, 'i')
        marketId = self.safe_string(order, 's')
        marketType = 'contract' if ('ps' in order) else 'spot'
        symbol = self.safe_symbol(marketId, None, None, marketType)
        timestamp = self.safe_integer(order, 'O')
        T = self.safe_integer(order, 'T')
        lastTradeTimestamp = None
        if executionType == 'NEW' or executionType == 'AMENDMENT' or executionType == 'CANCELED':
            if timestamp is None:
                timestamp = T
        elif executionType == 'TRADE':
            lastTradeTimestamp = T
        lastUpdateTimestamp = T
        fee = None
        feeCost = self.safe_string(order, 'n')
        if (feeCost is not None) and (Precise.string_gt(feeCost, '0')):
            feeCurrencyId = self.safe_string(order, 'N')
            feeCurrency = self.safe_currency_code(feeCurrencyId)
            fee = {
                'cost': feeCost,
                'currency': feeCurrency,
            }
        price = self.safe_string(order, 'p')
        amount = self.safe_string(order, 'q')
        side = self.safe_string_lower(order, 'S')
        type = self.safe_string_lower(order, 'o')
        filled = self.safe_string(order, 'z')
        cost = self.safe_string(order, 'Z')
        average = self.safe_string(order, 'ap')
        rawStatus = self.safe_string(order, 'X')
        status = self.parse_order_status(rawStatus)
        trades = None
        clientOrderId = self.safe_string(order, 'C')
        if (clientOrderId is None) or (len(clientOrderId) == 0):
            clientOrderId = self.safe_string(order, 'c')
        stopPrice = self.safe_string_2(order, 'P', 'sp')
        timeInForce = self.safe_string(order, 'f')
        if timeInForce == 'GTX':
            # GTX means "Good Till Crossing" and is an equivalent way of saying Post Only
            timeInForce = 'PO'
        return self.safe_order({
            'info': order,
            'symbol': symbol,
            'id': orderId,
            'clientOrderId': clientOrderId,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': lastTradeTimestamp,
            'lastUpdateTimestamp': lastUpdateTimestamp,
            'type': type,
            'timeInForce': timeInForce,
            'postOnly': None,
            'reduceOnly': self.safe_bool(order, 'R'),
            'side': side,
            'price': price,
            'stopPrice': stopPrice,
            'triggerPrice': stopPrice,
            'amount': amount,
            'cost': cost,
            'average': average,
            'filled': filled,
            'remaining': None,
            'status': status,
            'fee': fee,
            'trades': trades,
        })

    def handle_order_update(self, client: Client, message):
        #
        # spot
        #
        #     {
        #         "e": "executionReport",        # Event type
        #         "E": 1499405658658,            # Event time
        #         "s": "ETHBTC",                 # Symbol
        #         "c": "mUvoqJxFIILMdfAW5iGSOW",  # Client order ID
        #         "S": "BUY",                    # Side
        #         "o": "LIMIT",                  # Order type
        #         "f": "GTC",                    # Time in force
        #         "q": "1.00000000",             # Order quantity
        #         "p": "0.10264410",             # Order price
        #         "P": "0.00000000",             # Stop price
        #         "F": "0.00000000",             # Iceberg quantity
        #         "g": -1,                       # OrderListId
        #         "C": null,                     # Original client order ID; This is the ID of the order being canceled
        #         "x": "NEW",                    # Current execution type
        #         "X": "NEW",                    # Current order status
        #         "r": "NONE",                   # Order reject reason; will be an error code.
        #         "i": 4293153,                  # Order ID
        #         "l": "0.00000000",             # Last executed quantity
        #         "z": "0.00000000",             # Cumulative filled quantity
        #         "L": "0.00000000",             # Last executed price
        #         "n": "0",                      # Commission amount
        #         "N": null,                     # Commission asset
        #         "T": 1499405658657,            # Transaction time
        #         "t": -1,                       # Trade ID
        #         "I": 8641984,                  # Ignore
        #         "w": True,                     # Is the order on the book?
        #         "m": False,                    # Is self trade the maker side?
        #         "M": False,                    # Ignore
        #         "O": 1499405658657,            # Order creation time
        #         "Z": "0.00000000",             # Cumulative quote asset transacted quantity
        #         "Y": "0.00000000"              # Last quote asset transacted quantity(i.e. lastPrice * lastQty),
        #         "Q": "0.00000000"              # Quote Order Qty
        #     }
        #
        # future
        #
        #     {
        #         "e":"ORDER_TRADE_UPDATE",           # Event Type
        #         "E":1568879465651,                  # Event Time
        #         "T":1568879465650,                  # Trasaction Time
        #         "o": {
        #             "s":"BTCUSDT",                  # Symbol
        #             "c":"TEST",                     # Client Order Id
        #                                             # special client order id:
        #                                             # starts with "autoclose-": liquidation order
        #                                             # "adl_autoclose": ADL auto close order
        #             "S":"SELL",                     # Side
        #             "o":"TRAILING_STOP_MARKET",     # Order Type
        #             "f":"GTC",                      # Time in Force
        #             "q":"0.001",                    # Original Quantity
        #             "p":"0",                        # Original Price
        #             "ap":"0",                       # Average Price
        #             "sp":"7103.04",                 # Stop Price. Please ignore with TRAILING_STOP_MARKET order
        #             "x":"NEW",                      # Execution Type
        #             "X":"NEW",                      # Order Status
        #             "i":8886774,                    # Order Id
        #             "l":"0",                        # Order Last Filled Quantity
        #             "z":"0",                        # Order Filled Accumulated Quantity
        #             "L":"0",                        # Last Filled Price
        #             "N":"USDT",                     # Commission Asset, will not push if no commission
        #             "n":"0",                        # Commission, will not push if no commission
        #             "T":1568879465651,              # Order Trade Time
        #             "t":0,                          # Trade Id
        #             "b":"0",                        # Bids Notional
        #             "a":"9.91",                     # Ask Notional
        #             "m":false,                      # Is self trade the maker side?
        #             "R":false,                      # Is self reduce only
        #             "wt":"CONTRACT_PRICE",          # Stop Price Working Type
        #             "ot":"TRAILING_STOP_MARKET",    # Original Order Type
        #             "ps":"LONG",                    # Position Side
        #             "cp":false,                     # If Close-All, pushed with conditional order
        #             "AP":"7476.89",                 # Activation Price, only puhed with TRAILING_STOP_MARKET order
        #             "cr":"5.0",                     # Callback Rate, only puhed with TRAILING_STOP_MARKET order
        #             "rp":"0"                        # Realized Profit of the trade
        #         }
        #     }
        #
        e = self.safe_string(message, 'e')
        if e == 'ORDER_TRADE_UPDATE':
            message = self.safe_dict(message, 'o', message)
        self.handle_my_trade(client, message)
        self.handle_order(client, message)
        self.handle_my_liquidation(client, message)

    async def watch_positions(self, symbols: Strings = None, since: Int = None, limit: Int = None, params={}) -> List[Position]:
        """
        watch all open positions
        :param str[]|None symbols: list of unified market symbols
        :param number [since]: since timestamp
        :param number [limit]: limit
        :param dict params: extra parameters specific to the exchange API endpoint
        :param boolean [params.portfolioMargin]: set to True if you would like to watch positions in a portfolio margin account
        :returns dict[]: a list of `position structure <https://docs.ccxt.com/en/latest/manual.html#position-structure>`
        """
        await self.load_markets()
        market = None
        messageHash = ''
        symbols = self.market_symbols(symbols)
        if not self.is_empty(symbols):
            market = self.get_market_from_symbols(symbols)
            messageHash = '::' + ','.join(symbols)
        type = None
        type, params = self.handle_market_type_and_params('watchPositions', market, params)
        if type == 'spot' or type == 'margin':
            type = 'future'
        subType = None
        subType, params = self.handle_sub_type_and_params('watchPositions', market, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        marketTypeObject: dict = {}
        marketTypeObject['type'] = type
        marketTypeObject['subType'] = subType
        await self.authenticate(self.extend(marketTypeObject, params))
        messageHash = type + ':positions' + messageHash
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'watchPositions', 'papi', 'portfolioMargin', False)
        urlType = type
        if isPortfolioMargin:
            urlType = 'papi'
        url = self.urls['api']['ws'][urlType] + '/' + self.options[type]['listenKey']
        client = self.client(url)
        self.set_balance_cache(client, type, isPortfolioMargin)
        self.set_positions_cache(client, type, symbols, isPortfolioMargin)
        fetchPositionsSnapshot = self.handle_option('watchPositions', 'fetchPositionsSnapshot', True)
        awaitPositionsSnapshot = self.handle_option('watchPositions', 'awaitPositionsSnapshot', True)
        cache = self.safe_value(self.positions, type)
        if fetchPositionsSnapshot and awaitPositionsSnapshot and cache is None:
            snapshot = await client.future(type + ':fetchPositionsSnapshot')
            return self.filter_by_symbols_since_limit(snapshot, symbols, since, limit, True)
        newPositions = await self.watch(url, messageHash, None, type)
        if self.newUpdates:
            return newPositions
        return self.filter_by_symbols_since_limit(cache, symbols, since, limit, True)

    def set_positions_cache(self, client: Client, type, symbols: Strings = None, isPortfolioMargin=False):
        if type == 'spot':
            return
        if self.positions is None:
            self.positions = {}
        if type in self.positions:
            return
        fetchPositionsSnapshot = self.handle_option('watchPositions', 'fetchPositionsSnapshot', False)
        if fetchPositionsSnapshot:
            messageHash = type + ':fetchPositionsSnapshot'
            if not (messageHash in client.futures):
                client.future(messageHash)
                self.spawn(self.load_positions_snapshot, client, messageHash, type, isPortfolioMargin)
        else:
            self.positions[type] = ArrayCacheBySymbolBySide()

    async def load_positions_snapshot(self, client, messageHash, type, isPortfolioMargin):
        params: dict = {
            'type': type,
        }
        if isPortfolioMargin:
            params['portfolioMargin'] = True
        positions = await self.fetch_positions(None, params)
        self.positions[type] = ArrayCacheBySymbolBySide()
        cache = self.positions[type]
        for i in range(0, len(positions)):
            position = positions[i]
            contracts = self.safe_number(position, 'contracts', 0)
            if contracts > 0:
                cache.append(position)
        # don't remove the future from the .futures cache
        future = client.futures[messageHash]
        future.resolve(cache)
        client.resolve(cache, type + ':position')

    def handle_positions(self, client, message):
        #
        #     {
        #         e: 'ACCOUNT_UPDATE',
        #         T: 1667881353112,
        #         E: 1667881353115,
        #         a: {
        #             B: [{
        #                 a: 'USDT',
        #                 wb: '1127.95750089',
        #                 cw: '1040.82091149',
        #                 bc: '0'
        #             }],
        #             P: [{
        #                 s: 'BTCUSDT',
        #                 pa: '-0.089',
        #                 ep: '19700.03933',
        #                 cr: '-1260.24809979',
        #                 up: '1.53058860',
        #                 mt: 'isolated',
        #                 iw: '87.13658940',
        #                 ps: 'BOTH',
        #                 ma: 'USDT'
        #             }],
        #             m: 'ORDER'
        #         }
        #     }
        #
        # each account is connected to a different endpoint
        # and has exactly one subscriptionhash which is the account type
        subscriptions = client.subscriptions
        subscriptionsKeys = list(subscriptions.keys())
        accountType = self.get_account_type_from_subscriptions(subscriptionsKeys)
        if self.positions is None:
            self.positions = {}
        if not (accountType in self.positions):
            self.positions[accountType] = ArrayCacheBySymbolBySide()
        cache = self.positions[accountType]
        data = self.safe_dict(message, 'a', {})
        rawPositions = self.safe_list(data, 'P', [])
        newPositions = []
        for i in range(0, len(rawPositions)):
            rawPosition = rawPositions[i]
            position = self.parse_ws_position(rawPosition)
            timestamp = self.safe_integer(message, 'E')
            position['timestamp'] = timestamp
            position['datetime'] = self.iso8601(timestamp)
            newPositions.append(position)
            cache.append(position)
        messageHashes = self.find_message_hashes(client, accountType + ':positions::')
        for i in range(0, len(messageHashes)):
            messageHash = messageHashes[i]
            parts = messageHash.split('::')
            symbolsString = parts[1]
            symbols = symbolsString.split(',')
            positions = self.filter_by_array(newPositions, 'symbol', symbols, False)
            if not self.is_empty(positions):
                client.resolve(positions, messageHash)
        client.resolve(newPositions, accountType + ':positions')

    def parse_ws_position(self, position, market=None):
        #
        #     {
        #         "s": "BTCUSDT",  # Symbol
        #         "pa": "0",  # Position Amount
        #         "ep": "0.00000",  # Entry Price
        #         "cr": "200",  #(Pre-fee) Accumulated Realized
        #         "up": "0",  # Unrealized PnL
        #         "mt": "isolated",  # Margin Type
        #         "iw": "0.00000000",  # Isolated Wallet(if isolated position)
        #         "ps": "BOTH"  # Position Side
        #     }
        #
        marketId = self.safe_string(position, 's')
        contracts = self.safe_string(position, 'pa')
        contractsAbs = Precise.string_abs(self.safe_string(position, 'pa'))
        positionSide = self.safe_string_lower(position, 'ps')
        hedged = True
        if positionSide == 'both':
            hedged = False
            if not Precise.string_eq(contracts, '0'):
                if Precise.string_lt(contracts, '0'):
                    positionSide = 'short'
                else:
                    positionSide = 'long'
        return self.safe_position({
            'info': position,
            'id': None,
            'symbol': self.safe_symbol(marketId, None, None, 'swap'),
            'notional': None,
            'marginMode': self.safe_string(position, 'mt'),
            'liquidationPrice': None,
            'entryPrice': self.safe_number(position, 'ep'),
            'unrealizedPnl': self.safe_number(position, 'up'),
            'percentage': None,
            'contracts': self.parse_number(contractsAbs),
            'contractSize': None,
            'markPrice': None,
            'side': positionSide,
            'hedged': hedged,
            'timestamp': None,
            'datetime': None,
            'maintenanceMargin': None,
            'maintenanceMarginPercentage': None,
            'collateral': None,
            'initialMargin': None,
            'initialMarginPercentage': None,
            'leverage': None,
            'marginRatio': None,
        })

    async def fetch_my_trades_ws(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        fetch all trades made by the user

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/account-requests#account-trade-history-user_data

        :param str symbol: unified market symbol
        :param int|None [since]: the earliest time in ms to fetch trades for
        :param int|None [limit]: the maximum number of trades structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param int [params.endTime]: the latest time in ms to fetch trades for
        :param int [params.fromId]: first trade Id to fetch
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        if symbol is None:
            raise BadRequest(self.id + ' fetchMyTradesWs requires a symbol')
        market = self.market(symbol)
        type = self.get_market_type('fetchMyTradesWs', market, params)
        if type != 'spot' and type != 'future':
            raise BadRequest(self.id + ' fetchMyTradesWs does not support ' + type + ' markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchMyTradesWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        if since is not None:
            payload['startTime'] = since
        if limit is not None:
            payload['limit'] = limit
        fromId = self.safe_integer(params, 'fromId')
        if fromId is not None and since is not None:
            raise BadRequest(self.id + ' fetchMyTradesWs does not support fetching by both fromId and since parameters at the same time')
        message: dict = {
            'id': messageHash,
            'method': 'myTrades',
            'params': self.sign_params(self.extend(payload, params)),
        }
        subscription: dict = {
            'method': self.handle_trades_ws,
        }
        trades = await self.watch(url, messageHash, message, messageHash, subscription)
        return self.filter_by_symbol_since_limit(trades, symbol, since, limit)

    async def fetch_trades_ws(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        fetch all trades made by the user

        https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/market-data-requests#recent-trades

        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch trades for
        :param int [limit]: the maximum number of trades structures to retrieve, default=500, max=1000
        :param dict [params]: extra parameters specific to the exchange API endpoint

 EXCHANGE SPECIFIC PARAMETERS
        :param int [params.fromId]: trade ID to begin at
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        type = self.get_market_type('fetchTradesWs', market, params)
        if type != 'spot' and type != 'future':
            raise BadRequest(self.id + ' fetchTradesWs does not support ' + type + ' markets')
        url = self.urls['api']['ws']['ws-api'][type]
        requestId = self.request_id(url)
        messageHash = str(requestId)
        returnRateLimits = False
        returnRateLimits, params = self.handle_option_and_params(params, 'fetchTradesWs', 'returnRateLimits', False)
        payload: dict = {
            'symbol': self.market_id(symbol),
            'returnRateLimits': returnRateLimits,
        }
        if limit is not None:
            payload['limit'] = limit
        message: dict = {
            'id': messageHash,
            'method': 'trades.historical',
            'params': self.extend(payload, params),
        }
        subscription: dict = {
            'method': self.handle_trades_ws,
        }
        trades = await self.watch(url, messageHash, message, messageHash, subscription)
        return self.filter_by_since_limit(trades, since, limit)

    def handle_trades_ws(self, client: Client, message):
        #
        # fetchMyTradesWs
        #
        #    {
        #        "id": "f4ce6a53-a29d-4f70-823b-4ab59391d6e8",
        #        "status": 200,
        #        "result": [
        #            {
        #                "symbol": "BTCUSDT",
        #                "id": 1650422481,
        #                "orderId": 12569099453,
        #                "orderListId": -1,
        #                "price": "23416.10000000",
        #                "qty": "0.00635000",
        #                "quoteQty": "148.69223500",
        #                "commission": "0.00000000",
        #                "commissionAsset": "BNB",
        #                "time": 1660801715793,
        #                "isBuyer": False,
        #                "isMaker": True,
        #                "isBestMatch": True
        #            },
        #            ...
        #        ],
        #    }
        #
        # fetchTradesWs
        #
        #    {
        #        "id": "f4ce6a53-a29d-4f70-823b-4ab59391d6e8",
        #        "status": 200,
        #        "result": [
        #            {
        #                "id": 0,
        #                "price": "0.00005000",
        #                "qty": "40.00000000",
        #                "quoteQty": "0.00200000",
        #                "time": 1500004800376,
        #                "isBuyerMaker": True,
        #                "isBestMatch": True
        #            }
        #            ...
        #        ],
        #    }
        #
        messageHash = self.safe_string(message, 'id')
        result = self.safe_list(message, 'result', [])
        trades = self.parse_trades(result)
        client.resolve(trades, messageHash)

    async def watch_my_trades(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        watches information on multiple trades made by the user
        :param str 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 dict [params]: extra parameters specific to the exchange API endpoint
        :param boolean [params.portfolioMargin]: set to True if you would like to watch trades in a portfolio margin account
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        type = None
        market = None
        if symbol is not None:
            market = self.market(symbol)
            symbol = market['symbol']
        type, params = self.handle_market_type_and_params('watchMyTrades', market, params)
        subType = None
        subType, params = self.handle_sub_type_and_params('watchMyTrades', market, params)
        if self.isLinear(type, subType):
            type = 'future'
        elif self.isInverse(type, subType):
            type = 'delivery'
        messageHash = 'myTrades'
        if symbol is not None:
            symbol = self.symbol(symbol)
            messageHash += ':' + symbol
            params = self.extend(params, {'type': market['type'], 'symbol': symbol})
        await self.authenticate(self.extend({'type': type, 'subType': subType}, params))
        urlType = type  # we don't change type because the listening key is different
        if type == 'margin':
            urlType = 'spot'  # spot-margin shares the same stream spot
        isPortfolioMargin = None
        isPortfolioMargin, params = self.handle_option_and_params_2(params, 'watchMyTrades', 'papi', 'portfolioMargin', False)
        url = ''
        if type == 'spot':
            url = self.urls['api']['ws']['ws-api'][type]
        else:
            if isPortfolioMargin:
                urlType = 'papi'
            url = self.urls['api']['ws'][urlType] + '/' + self.options[type]['listenKey']
        client = self.client(url)
        self.set_balance_cache(client, type, isPortfolioMargin)
        self.set_positions_cache(client, type, None, isPortfolioMargin)
        message = None
        trades = await self.watch(url, messageHash, message, type)
        if self.newUpdates:
            limit = trades.getLimit(symbol, limit)
        return self.filter_by_symbol_since_limit(trades, symbol, since, limit, True)

    def handle_my_trade(self, client: Client, message):
        messageHash = 'myTrades'
        executionType = self.safe_string(message, 'x')
        if executionType == 'TRADE':
            trade = self.parse_ws_trade(message)
            orderId = self.safe_string(trade, 'order')
            tradeFee = self.safe_dict(trade, 'fee', {})
            tradeFee = self.extend({}, tradeFee)
            symbol = self.safe_string(trade, 'symbol')
            if orderId is not None and tradeFee is not None and symbol is not None:
                cachedOrders = self.orders
                if cachedOrders is not None:
                    orders = self.safe_value(cachedOrders.hashmap, symbol, {})
                    order = self.safe_value(orders, orderId)
                    if order is not None:
                        # accumulate order fees
                        fees = self.safe_value(order, 'fees')
                        fee = self.safe_value(order, 'fee')
                        if not self.is_empty(fees):
                            insertNewFeeCurrency = True
                            for i in range(0, len(fees)):
                                orderFee = fees[i]
                                if orderFee['currency'] == tradeFee['currency']:
                                    feeCost = self.sum(tradeFee['cost'], orderFee['cost'])
                                    order['fees'][i]['cost'] = float(self.currency_to_precision(tradeFee['currency'], feeCost))
                                    insertNewFeeCurrency = False
                                    break
                            if insertNewFeeCurrency:
                                order['fees'].append(tradeFee)
                        elif fee is not None:
                            if fee['currency'] == tradeFee['currency']:
                                feeCost = self.sum(fee['cost'], tradeFee['cost'])
                                order['fee']['cost'] = float(self.currency_to_precision(tradeFee['currency'], feeCost))
                            elif fee['currency'] is None:
                                order['fee'] = tradeFee
                            else:
                                order['fees'] = [fee, tradeFee]
                                order['fee'] = None
                        else:
                            order['fee'] = tradeFee
                        # save self trade in the order
                        orderTrades = self.safe_list(order, 'trades', [])
                        orderTrades.append(trade)
                        order['trades'] = orderTrades
                        # don't append twice cause it breaks newUpdates mode
                        # self order already exists in the cache
            if self.myTrades is None:
                limit = self.safe_integer(self.options, 'tradesLimit', 1000)
                self.myTrades = ArrayCacheBySymbolById(limit)
            myTrades = self.myTrades
            myTrades.append(trade)
            client.resolve(self.myTrades, messageHash)
            messageHashSymbol = messageHash + ':' + symbol
            client.resolve(self.myTrades, messageHashSymbol)

    def handle_order(self, client: Client, message):
        parsed = self.parse_ws_order(message)
        symbol = self.safe_string(parsed, 'symbol')
        orderId = self.safe_string(parsed, 'id')
        if symbol is not None:
            if self.orders is None:
                limit = self.safe_integer(self.options, 'ordersLimit', 1000)
                self.orders = ArrayCacheBySymbolById(limit)
            cachedOrders = self.orders
            orders = self.safe_value(cachedOrders.hashmap, symbol, {})
            order = self.safe_value(orders, orderId)
            if order is not None:
                fee = self.safe_value(order, 'fee')
                if fee is not None:
                    parsed['fee'] = fee
                fees = self.safe_value(order, 'fees')
                if fees is not None:
                    parsed['fees'] = fees
                parsed['trades'] = self.safe_value(order, 'trades')
                timestamp = self.safe_integer(parsed, 'timestamp')
                if timestamp is None:
                    parsed['timestamp'] = self.safe_integer(order, 'timestamp')
                    parsed['datetime'] = self.safe_string(order, 'datetime')
            cachedOrders.append(parsed)
            messageHash = 'orders'
            symbolSpecificMessageHash = 'orders:' + symbol
            client.resolve(cachedOrders, messageHash)
            client.resolve(cachedOrders, symbolSpecificMessageHash)

    def handle_acount_update(self, client, message):
        self.handle_balance(client, message)
        self.handle_positions(client, message)

    def handle_ws_error(self, client: Client, message):
        #
        #    {
        #        "error": {
        #            "code": 2,
        #            "msg": "Invalid request: invalid stream"
        #        },
        #        "id": 1
        #    }
        #
        id = self.safe_string(message, 'id')
        rejected = False
        error = self.safe_dict(message, 'error', {})
        code = self.safe_integer(error, 'code')
        msg = self.safe_string(error, 'msg')
        try:
            self.handle_errors(code, msg, client.url, '', {}, self.json(error), error, {}, {})
        except Exception as e:
            rejected = True
            # private endpoint uses id
            client.reject(e, id)
            # public endpoint stores messageHash in subscriptions
            subscriptionKeys = list(client.subscriptions.keys())
            for i in range(0, len(subscriptionKeys)):
                subscriptionHash = subscriptionKeys[i]
                subscriptionId = self.safe_string(client.subscriptions[subscriptionHash], 'id')
                subscription = self.safe_string(client.subscriptions[subscriptionHash], 'subscription')
                if id == subscriptionId:
                    client.reject(e, subscriptionHash)
                    if subscription is not None:
                        del client.subscriptions[subscription]
        if not rejected:
            client.reject(message, id)
        # reset connection if 5xx error
        codeString = self.safe_string(error, 'code')
        if (codeString is not None) and (codeString[0] == '5'):
            client.reset(message)

    def handle_event_stream_terminated(self, client: Client, message):
        #
        #    {
        #        e: 'eventStreamTerminated',
        #        E: 1757896885229
        #    }
        #
        event = self.safe_string(message, 'e')
        subscriptions = client.subscriptions
        subscriptionsKeys = list(subscriptions.keys())
        accountType = self.get_account_type_from_subscriptions(subscriptionsKeys)
        if event == 'eventStreamTerminated':
            del client.subscriptions[accountType]
            client.reject(message, accountType)

    def handle_message(self, client: Client, message):
        # handle WebSocketAPI
        eventMsg = self.safe_dict(message, 'event')
        if eventMsg is not None:
            message = eventMsg
        status = self.safe_string(message, 'status')
        error = self.safe_value(message, 'error')
        if (error is not None) or (status is not None and status != '200'):
            self.handle_ws_error(client, message)
            return
        # user subscription wraps message in subscriptionId and event
        id = self.safe_string(message, 'id')
        subscriptions = self.safe_value(client.subscriptions, id)
        method = self.safe_value(subscriptions, 'method')
        if method is not None:
            method(client, message)
            return
        # handle other APIs
        methods: dict = {
            'depthUpdate': self.handle_order_book,
            'trade': self.handle_trade,
            'aggTrade': self.handle_trade,
            'kline': self.handle_ohlcv,
            'markPrice_kline': self.handle_ohlcv,
            'indexPrice_kline': self.handle_ohlcv,
            '1hTicker@arr': self.handle_tickers,
            '4hTicker@arr': self.handle_tickers,
            '1dTicker@arr': self.handle_tickers,
            '24hrTicker@arr': self.handle_tickers,
            '24hrMiniTicker@arr': self.handle_tickers,
            '1hTicker': self.handle_tickers,
            '4hTicker': self.handle_tickers,
            '1dTicker': self.handle_tickers,
            '24hrTicker': self.handle_tickers,
            '24hrMiniTicker': self.handle_tickers,
            'markPriceUpdate': self.handle_mark_prices,
            'markPriceUpdate@arr': self.handle_mark_prices,
            'bookTicker': self.handle_bids_asks,  # there is no "bookTicker@arr" endpoint
            'outboundAccountPosition': self.handle_balance,
            'balanceUpdate': self.handle_balance,
            'ACCOUNT_UPDATE': self.handle_acount_update,
            'executionReport': self.handle_order_update,
            'ORDER_TRADE_UPDATE': self.handle_order_update,
            'forceOrder': self.handle_liquidation,
            'eventStreamTerminated': self.handle_event_stream_terminated,
            'externalLockUpdate': self.handle_balance,
        }
        event = self.safe_string(message, 'e')
        if isinstance(message, list):
            data = message[0]
            event = self.safe_string(data, 'e') + '@arr'
        method = self.safe_value(methods, event)
        if method is None:
            requestId = self.safe_string(message, 'id')
            if requestId is not None:
                self.handle_subscription_status(client, message)
                return
            # special case for the real-time bookTicker, since it comes without an event identifier
            #
            #     {
            #         "u": 7488717758,
            #         "s": "BTCUSDT",
            #         "b": "28621.74000000",
            #         "B": "1.43278800",
            #         "a": "28621.75000000",
            #         "A": "2.52500800"
            #     }
            #
            if event is None and ('a' in message) and ('b' in message):
                self.handle_bids_asks(client, message)
        else:
            method(client, message)
