text: # -*- 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
  
  from ccxt.async_support.base.exchange import Exchange
  from ccxt.base.errors import ExchangeError
  from ccxt.base.errors import AuthenticationError
  from ccxt.base.errors import ArgumentsRequired
  from ccxt.base.errors import BadSymbol
  from ccxt.base.errors import OrderNotFound
  from ccxt.base.errors import RateLimitExceeded
  from ccxt.base.errors import ExchangeNotAvailable
  from ccxt.base.precise import Precise
  
  
  class bw(Exchange):
  
      def describe(self):
          return self.deep_extend(super(bw, self).describe(), {
              'id': 'bw',
              'name': 'BW',
              'countries': ['CN'],
              'rateLimit': 1500,
              'version': 'v1',
              'has': {
                  'cancelAllOrders': None,
                  'cancelOrder': True,
                  'cancelOrders': None,
                  'CORS': None,
                  'createDepositAddress': None,
                  'createLimitOrder': True,
                  'createMarketOrder': None,
                  'createOrder': True,
                  'deposit': None,
                  'editOrder': None,
                  'fetchBalance': True,
                  'fetchBidsAsks': None,
                  'fetchClosedOrders': True,
                  'fetchCurrencies': True,
                  'fetchDepositAddress': True,
                  'fetchDeposits': True,
                  'fetchFundingFees': None,
                  'fetchL2OrderBook': None,
                  'fetchLedger': None,
                  'fetchMarkets': True,
                  'fetchMyTrades': None,
                  'fetchOHLCV': True,
                  'fetchOpenOrders': True,
                  'fetchOrder': True,
                  'fetchOrderBook': True,
                  'fetchOrderBooks': None,
                  'fetchOrders': True,
                  'fetchTicker': True,
                  'fetchTickers': True,
                  'fetchTrades': True,
                  'fetchTradingFee': None,
                  'fetchTradingFees': None,
                  'fetchTradingLimits': None,
                  'fetchTransactions': None,
                  'fetchWithdrawals': True,
                  'privateAPI': None,
                  'publicAPI': None,
                  'withdraw': None,
              },
              'timeframes': {
                  '1m': '1M',
                  '5m': '5M',
                  '15m': '15M',
                  '30m': '30M',
                  '1h': '1H',
                  '1w': '1W',
              },
              'hostname': 'bw.com',  # set to 'bw.io' for China mainland
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/1294454/69436317-31128c80-0d52-11ea-91d1-eb7bb5818812.jpg',
                  'api': 'https://www.{hostname}',
                  'www': 'https://www.bw.com',
                  'doc': 'https://github.com/bw-exchange/api_docs_en/wiki',
                  'fees': 'https://www.bw.com/feesRate',
                  'referral': 'https://www.bw.com/regGetCommission/N3JuT1R3bWxKTE0',
              },
              'requiredCredentials': {
                  'apiKey': True,
                  'secret': True,
              },
              'fees': {
                  'trading': {
                      'tierBased': False,
                      'percentage': True,
                      'taker': self.parse_number('0.002'),
                      'maker': self.parse_number('0.002'),
                  },
                  'funding': {
                  },
              },
              'exceptions': {
                  'exact': {
                      '999': AuthenticationError,
                      '1000': ExchangeNotAvailable,  # {"datas":null,"resMsg":{"message":"getKlines error:data not exitsts\uff0cplease wait ,dataType=4002_KLINE_1M","method":null,"code":"1000"}}
                      '2012': OrderNotFound,  # {"datas":null,"resMsg":{"message":"entrust not exists or on dealing with system","method":null,"code":"2012"}}
                      '5017': BadSymbol,  # {"datas":null,"resMsg":{"message":"market not exist","method":null,"code":"5017"}}
                      '10001': RateLimitExceeded,  # {"resMsg":{"code":"10001","message":"API frequency limit"}}
                  },
              },
              'api': {
                  'public': {
                      'get': [
                          'api/data/v1/klines',
                          'api/data/v1/ticker',
                          'api/data/v1/tickers',
                          'api/data/v1/trades',
                          'api/data/v1/entrusts',
                          'exchange/config/controller/website/marketcontroller/getByWebId',
                          'exchange/config/controller/website/currencycontroller/getCurrencyList',
                      ],
                  },
                  'private': {
                      'get': [
                          'exchange/entrust/controller/website/EntrustController/getEntrustById',
                          'exchange/entrust/controller/website/EntrustController/getUserEntrustRecordFromCacheWithPage',
                          'exchange/entrust/controller/website/EntrustController/getUserEntrustList',
                          'exchange/fund/controller/website/fundwebsitecontroller/getwithdrawaddress',
                          'exchange/fund/controller/website/fundwebsitecontroller/getpayoutcoinrecord',
                          'exchange/entrust/controller/website/EntrustController/getUserEntrustList',
                          # the docs say that the following URLs are HTTP POST
                          # in the docs header and HTTP GET in the docs body
                          # the docs contradict themselves, a typo most likely
                          # the actual HTTP method is POST for self endpoint
                          # 'exchange/fund/controller/website/fundcontroller/getPayinAddress',
                          # 'exchange/fund/controller/website/fundcontroller/getPayinCoinRecord',
                      ],
                      'post': [
                          'exchange/fund/controller/website/fundcontroller/getPayinAddress',  # see the comment above
                          'exchange/fund/controller/website/fundcontroller/getPayinCoinRecord',  # see the comment above
                          'exchange/fund/controller/website/fundcontroller/findbypage',
                          'exchange/entrust/controller/website/EntrustController/addEntrust',
                          'exchange/entrust/controller/website/EntrustController/cancelEntrust',
                      ],
                  },
              },
          })
  
      async def fetch_markets(self, params={}):
          response = await self.publicGetExchangeConfigControllerWebsiteMarketcontrollerGetByWebId(params)
          #
          #     {
          #         "datas": [
          #             {
          #                 "orderNum":null,
          #                 "leverEnable":true,
          #                 "leverMultiple":10,
          #                 "marketId":"291",
          #                 "webId":"102",
          #                 "serverId":"entrust_bw_23",
          #                 "name":"eos_usdt",
          #                 "leverType":"2",
          #                 "buyerCurrencyId":"11",
          #                 "sellerCurrencyId":"7",
          #                 "amountDecimal":4,
          #                 "priceDecimal":3,
          #                 "minAmount":"0.0100000000",
          #                 "state":1,
          #                 "openTime":1572537600000,
          #                 "defaultFee":"0.00200000",
          #                 "createUid":null,
          #                 "createTime":0,
          #                 "modifyUid":null,
          #                 "modifyTime":1574160113735,
          #                 "combineMarketId":"",
          #                 "isCombine":0,
          #                 "isMining":0
          #             }
          #         ],
          #         "resMsg": {"message":"success !", "method":null, "code":"1"}
          #     }
          #
          markets = self.safe_value(response, 'datas', [])
          result = []
          for i in range(0, len(markets)):
              market = markets[i]
              id = self.safe_string(market, 'marketId')
              numericId = int(id)
              name = self.safe_string_upper(market, 'name')
              base, quote = name.split('_')
              base = self.safe_currency_code(base)
              quote = self.safe_currency_code(quote)
              baseId = self.safe_string(market, 'sellerCurrencyId')
              quoteId = self.safe_string(market, 'buyerCurrencyId')
              baseNumericId = int(baseId)
              quoteNumericId = int(quoteId)
              symbol = base + '/' + quote
              state = self.safe_integer(market, 'state')
              active = (state == 1)
              fee = self.safe_number(market, 'defaultFee')
              result.append({
                  'id': id,
                  'numericId': numericId,
                  'symbol': symbol,
                  'base': base,
                  'quote': quote,
                  'baseId': baseId,
                  'quoteId': quoteId,
                  'baseNumericId': baseNumericId,
                  'quoteNumericId': quoteNumericId,
                  'type': 'spot',
                  'spot': True,
                  'active': active,
                  'maker': fee,
                  'taker': fee,
                  'info': market,
                  'precision': {
                      'amount': self.safe_integer(market, 'amountDecimal'),
                      'price': self.safe_integer(market, 'priceDecimal'),
                  },
                  'limits': {
                      'amount': {
                          'min': self.safe_number(market, 'minAmount'),
                          'max': None,
                      },
                      'price': {
                          'min': 0,
                          'max': None,
                      },
                      'cost': {
                          'min': 0,
                          'max': None,
                      },
                  },
              })
          return result
  
      async def fetch_currencies(self, params={}):
          response = await self.publicGetExchangeConfigControllerWebsiteCurrencycontrollerGetCurrencyList(params)
          #
          #     {
          #         "datas":[
          #             {
          #                 "currencyId":"456",
          #                 "name":"pan",
          #                 "alias":"pan",
          #                 "logo":"pan.svg",
          #                 "description":"pan",
          #                 "descriptionEnglish":"pan",
          #                 "defaultDecimal":2,
          #                 "createUid":null,
          #                 "createTime":1574068133762,
          #                 "modifyUid":null,
          #                 "modifyTime":0,
          #                 "state":1,
          #                 "mark":"pan",
          #                 "totalNumber":"0",
          #                 "publishNumber":"0",
          #                 "marketValue":"0",
          #                 "isLegalCoin":0,
          #                 "needBlockUrl":1,
          #                 "blockChainUrl":"https://etherscan.io/tx/",
          #                 "tradeSearchUrl":null,
          #                 "tokenCoinsId":0,
          #                 "isMining":"0",
          #                 "arithmetic":null,
          #                 "founder":"bw_nxwal",
          #                 "teamAddress":null,
          #                 "remark":null,
          #                 "tokenName":"ethw2",
          #                 "isMemo":0,
          #                 "websiteCurrencyId":"7rhqoHLohkG",
          #                 "drawFlag":0,
          #                 "rechargeFlag":1,
          #                 "drawFee":"0.03000000",
          #                 "onceDrawLimit":100,
          #                 "dailyDrawLimit":500,
          #                 "timesFreetrial":"0",
          #                 "hourFreetrial":"0",
          #                 "dayFreetrial":"0",
          #                 "minFee":"0",
          #                 "inConfigTimes":7,
          #                 "outConfigTimes":7,
          #                 "minCash":"0.06000000",
          #                 "limitAmount":"0",
          #                 "zbExist":false,
          #                 "zone":1
          #             },
          #         ],
          #         "resMsg": {"message":"success !", "method":null, "code":"1"}
          #     }
          #
          currencies = self.safe_value(response, 'datas', [])
          result = {}
          for i in range(0, len(currencies)):
              currency = currencies[i]
              id = self.safe_string(currency, 'currencyId')
              code = self.safe_currency_code(self.safe_string_upper(currency, 'name'))
              state = self.safe_integer(currency, 'state')
              active = state == 1
              result[code] = {
                  'id': id,
                  'code': code,
                  'info': currency,
                  'name': code,
                  'active': active,
                  'fee': self.safe_number(currency, 'drawFee'),
                  'precision': None,
                  'limits': {
                      'amount': {
                          'min': self.safe_number(currency, 'limitAmount', 0),
                          'max': None,
                      },
                      'withdraw': {
                          'min': None,
                          'max': self.safe_number(currency, 'onceDrawLimit'),
                      },
                  },
              }
          return result
  
      def parse_ticker(self, ticker, market=None):
          #
          #     [
          #         "281",            # market id
          #         "9754.4",         # last
          #         "9968.8",         # high
          #         "9631.5",         # low
          #         "47865.6432",     # base volume
          #         "-2.28",          # change
          #         # closing price for last 6 hours
          #         "[[1, 9750.1], [2, 9737.1], [3, 9727.5], [4, 9722], [5, 9722.1], [6, 9754.4]]",
          #         "9752.12",        # bid
          #         "9756.69",        # ask
          #         "469849357.2364"  # quote volume
          #     ]
          #
          marketId = self.safe_string(ticker, 0)
          symbol = self.safe_symbol(marketId, market)
          timestamp = self.milliseconds()
          close = self.safe_number(ticker, 1)
          bid = self.safe_value(ticker, 'bid', {})
          ask = self.safe_value(ticker, 'ask', {})
          return {
              'symbol': symbol,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'high': self.safe_number(ticker, 2),
              'low': self.safe_number(ticker, 3),
              'bid': self.safe_number(ticker, 7),
              'bidVolume': self.safe_number(bid, 'quantity'),
              'ask': self.safe_number(ticker, 8),
              'askVolume': self.safe_number(ask, 'quantity'),
              'vwap': None,
              'open': None,
              'close': close,
              'last': close,
              'previousClose': None,
              'change': self.safe_number(ticker, 5),
              'percentage': None,
              'average': None,
              'baseVolume': self.safe_number(ticker, 4),
              'quoteVolume': self.safe_number(ticker, 9),
              'info': ticker,
          }
  
      async def fetch_ticker(self, symbol, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
          }
          response = await self.publicGetApiDataV1Ticker(self.extend(request, params))
          #
          #     {
          #         "datas": [
          #             "281",
          #             "7601.99",
          #             "8126.5",
          #             "7474.68",
          #             "47004.8708",
          #             "-6.18",
          #             "[[1, 7800.34], [2, 7626.41], [3, 7609.97], [4, 7569.04], [5, 7577.93], [6, 7601.99]]",
          #             "7600.24",
          #             "7603.69",
          #             "371968300.0119",
          #         ],
          #         "resMsg": {"message": "success !", "method": null, "code": "1"}
          #     }
          #
          ticker = self.safe_value(response, 'datas', [])
          return self.parse_ticker(ticker, market)
  
      async def fetch_tickers(self, symbols=None, params={}):
          await self.load_markets()
          response = await self.publicGetApiDataV1Tickers(params)
          #
          #     {
          #         "datas": [
          #             [
          #                 "4051",
          #                 "0.00194",
          #                 "0.00863",
          #                 "0.0012",
          #                 "1519020",
          #                 "-38.22",
          #                 "[[1, 0.0023], [2, 0.00198], [3, 0.00199], [4, 0.00195], [5, 0.00199], [6, 0.00194]]",
          #                 "0.00123",
          #                 "0.0045",
          #                 "4466.8104",
          #             ],
          #         ],
          #         "resMsg": {"message": "success !", "method": null, "code": "1"},
          #     }
          #
          datas = self.safe_value(response, 'datas', [])
          result = {}
          for i in range(0, len(datas)):
              ticker = self.parse_ticker(datas[i])
              symbol = ticker['symbol']
              if (symbols is None) or self.in_array(symbol, symbols):
                  result[symbol] = ticker
          return self.filter_by_array(result, 'symbol', symbols)
  
      async def fetch_order_book(self, symbol, limit=None, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
          }
          if limit is not None:
              request['dataSize'] = limit
          response = await self.publicGetApiDataV1Entrusts(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "asks": [
          #                 ["9740.43", "0.0083"],
          #             ],
          #             "bids": [
          #                 ["9734.33", "0.0133"],
          #             ],
          #             "timestamp": "1569303520",
          #         },
          #         "resMsg": {
          #             "message": "success !",
          #             "method": null,
          #             "code": "1",
          #         },
          #     }
          #
          orderbook = self.safe_value(response, 'datas', [])
          timestamp = self.safe_timestamp(orderbook, 'timestamp')
          return self.parse_order_book(orderbook, symbol, timestamp)
  
      def parse_trade(self, trade, market=None):
          #
          # fetchTrades(public)
          #
          #     [
          #         "T",          # trade
          #         "281",        # market id
          #         "1569303302",  # timestamp
          #         "BTC_USDT",   # market name
          #         "ask",        # side
          #         "9745.08",    # price
          #         "0.0026"      # amount
          #     ]
          #
          # fetchMyTrades(private)
          #
          #     ...
          #
          timestamp = self.safe_timestamp(trade, 2)
          priceString = self.safe_string(trade, 5)
          amountString = self.safe_string(trade, 6)
          price = self.parse_number(priceString)
          amount = self.parse_number(amountString)
          cost = self.parse_number(Precise.string_mul(priceString, amountString))
          marketId = self.safe_string(trade, 1)
          symbol = None
          if marketId is not None:
              if marketId in self.markets_by_id:
                  market = self.markets_by_id[marketId]
              else:
                  marketName = self.safe_string(trade, 3)
                  baseId, quoteId = marketName.split('_')
                  base = self.safe_currency_code(baseId)
                  quote = self.safe_currency_code(quoteId)
                  symbol = base + '/' + quote
          if (symbol is None) and (market is not None):
              symbol = market['symbol']
          sideString = self.safe_string(trade, 4)
          side = 'sell' if (sideString == 'ask') else 'buy'
          return {
              'id': None,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': symbol,
              'order': None,
              'type': 'limit',
              'side': side,
              'takerOrMaker': None,
              'price': price,
              'amount': amount,
              'cost': cost,
              'fee': None,
              'info': trade,
          }
  
      async def fetch_trades(self, symbol, since=None, limit=None, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
          }
          if limit is not None:
              request['dataSize'] = limit  # max 20
          response = await self.publicGetApiDataV1Trades(self.extend(request, params))
          #
          #     {
          #         "datas": [
          #             [
          #                 "T",          # trade
          #                 "281",        # market id
          #                 "1569303302",  # timestamp
          #                 "BTC_USDT",   # market name
          #                 "ask",        # side
          #                 "9745.08",    # price
          #                 "0.0026"      # amount
          #             ],
          #         ],
          #         "resMsg": {"code": "1", "method": null, "message": "success !"},
          #     }
          #
          trades = self.safe_value(response, 'datas', [])
          return self.parse_trades(trades, market, since, limit)
  
      def parse_ohlcv(self, ohlcv, market=None):
          #
          #     [
          #         "K",
          #         "305",
          #         "eth_btc",
          #         "1591511280",
          #         "0.02504",
          #         "0.02504",
          #         "0.02504",
          #         "0.02504",
          #         "0.0123",
          #         "0",
          #         "285740.17",
          #         "1M",
          #         "false",
          #         "0.000308"
          #     ]
          #
          return [
              self.safe_timestamp(ohlcv, 3),
              self.safe_number(ohlcv, 4),
              self.safe_number(ohlcv, 5),
              self.safe_number(ohlcv, 6),
              self.safe_number(ohlcv, 7),
              self.safe_number(ohlcv, 8),
          ]
  
      async def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=None, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
              'type': self.timeframes[timeframe],
              'dataSize': 500,
          }
          if limit is not None:
              request['dataSize'] = limit
          response = await self.publicGetApiDataV1Klines(self.extend(request, params))
          #
          #     {
          #         "datas":[
          #             ["K","305","eth_btc","1591511280","0.02504","0.02504","0.02504","0.02504","0.0123","0","285740.17","1M","false","0.000308"],
          #             ["K","305","eth_btc","1591511220","0.02504","0.02504","0.02504","0.02504","0.0006","0","285740.17","1M","false","0.00001502"],
          #             ["K","305","eth_btc","1591511100","0.02505","0.02505","0.02504","0.02504","0.0012","-0.0399","285740.17","1M","false","0.00003005"],
          #         ],
          #         "resMsg":{"code":"1","method":null,"message":"success !"}
          #     }
          #
          data = self.safe_value(response, 'datas', [])
          return self.parse_ohlcvs(data, market, timeframe, since, limit)
  
      async def fetch_balance(self, params={}):
          await self.load_markets()
          response = await self.privatePostExchangeFundControllerWebsiteFundcontrollerFindbypage(params)
          #
          #     {
          #         "datas": {
          #             "totalRow": 6,
          #             "pageSize": 99,
          #             "list": [
          #                 {
          #                     "amount": "0.000090000000000000",  # The current number of tokens available
          #                     "currencyTypeId": 2,              # Token ID
          #                     "freeze": "0.009900000000000000",  # Current token freezing quantity
          #                 },
          #             ],
          #             "pageNum": 1,
          #         },
          #         "resMsg": {"code": "1", "message": "success !"}
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          balances = self.safe_value(data, 'list', [])
          result = {'info': response}
          for i in range(0, len(balances)):
              balance = balances[i]
              currencyId = self.safe_string(balance, 'currencyTypeId')
              code = self.safe_currency_code(currencyId)
              account = self.account()
              account['free'] = self.safe_string(balance, 'amount')
              account['used'] = self.safe_string(balance, 'freeze')
              result[code] = account
          return self.parse_balance(result)
  
      async def create_order(self, symbol, type, side, amount, price=None, params={}):
          if price is None:
              raise ExchangeError(self.id + ' allows limit orders only')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'amount': self.amount_to_precision(symbol, amount),
              'price': self.price_to_precision(symbol, price),
              'type': 1 if (side == 'buy') else 0,
              'rangeType': 0,  # limit order
              'marketId': market['id'],
          }
          response = await self.privatePostExchangeEntrustControllerWebsiteEntrustControllerAddEntrust(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "entrustId": "E6581105708337483776",
          #         },
          #         "resMsg": {
          #             "message": "success !",
          #             "method": null,
          #             "code": "1"
          #         }
          #     }
          #
          data = self.safe_value(response, 'datas')
          id = self.safe_string(data, 'entrustId')
          return {
              'id': id,
              'info': response,
              'timestamp': None,
              'datetime': None,
              'lastTradeTimestamp': None,
              'symbol': symbol,
              'type': type,
              'side': side,
              'price': price,
              'amount': amount,
              'cost': None,
              'average': None,
              'filled': None,
              'remaining': None,
              'status': 'open',
              'fee': None,
              'trades': None,
              'clientOrderId': None,
          }
  
      def parse_order_status(self, status):
          statuses = {
              '-3': 'canceled',
              '-2': 'canceled',
              '-1': 'canceled',
              '0': 'open',
              '1': 'canceled',
              '2': 'closed',
              '3': 'open',
              '4': 'canceled',
          }
          return self.safe_string(statuses, status, status)
  
      def parse_order(self, order, market=None):
          #
          # fetchOrder, fetchOpenOrders, fetchClosedOrders
          #
          #     {
          #         "entrustId": "E6581108027628212224",  # Order id
          #         "price": "1450",                     # price
          #         "rangeType": 0,                      # Commission type 0: limit price commission 1: interval commission
          #         "amount": "14.05",                   # Order quantity
          #         "totalMoney": "20372.50",            # Total order amount
          #         "completeAmount": "0",               # Quantity sold
          #         "completeTotalMoney": "0",           # Total dealt amount
          #         "type": 1,                           # 0 = sell, 1 = buy, -1 = cancel
          #         "entrustType": 0,                    # 0 = ordinary current price commission, 1 = lever commission
          #         "status": 0,                         #
          #         "marketId": "318",                   # The market id
          #         "createTime": 1569058424861,         # Create time
          #         "availabelAmount": "14.05"           # Outstanding quantity, typo in the docs or in the API, availabel vs available
          #     }
          #
          marketId = self.safe_string(order, 'marketId')
          symbol = self.safe_symbol(marketId, market)
          timestamp = self.safe_integer(order, 'createTime')
          side = self.safe_string(order, 'type')
          if side == '0':
              side = 'sell'
          elif side == '1':
              side = 'buy'
          amount = self.safe_string(order, 'amount')
          price = self.safe_string(order, 'price')
          filled = self.safe_string(order, 'completeAmount')
          remaining = self.safe_string_2(order, 'availabelAmount', 'availableAmount')  # typo in the docs or in the API, availabel vs available
          cost = self.safe_string(order, 'totalMoney')
          status = self.parse_order_status(self.safe_string(order, 'status'))
          return self.safe_order2({
              'info': order,
              'id': self.safe_string(order, 'entrustId'),
              'clientOrderId': None,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'lastTradeTimestamp': None,
              'symbol': symbol,
              'type': 'limit',
              'timeInForce': None,
              'postOnly': None,
              'side': side,
              'price': price,
              'stopPrice': None,
              'amount': amount,
              'cost': cost,
              'average': None,
              'filled': filled,
              'remaining': remaining,
              'status': status,
              'fee': None,
              'trades': None,
          }, market)
  
      async def fetch_order(self, id, symbol=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' fetchOrder() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
              'entrustId': id,
          }
          response = await self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetEntrustById(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "entrustId": "E6581108027628212224",  # Order id
          #             "price": "1450",                     # price
          #             "rangeType": 0,                      # Commission type 0: limit price commission 1: interval commission
          #             "amount": "14.05",                   # Order quantity
          #             "totalMoney": "20372.50",            # Total order amount
          #             "completeAmount": "0",               # Quantity sold
          #             "completeTotalMoney": "0",           # Total dealt amount
          #             "type": 1,                           # Trade direction, 0: sell, 1: buy, -1: cancel
          #             "entrustType": 0,                    # Commission type, 0: ordinary current price commission, 1: lever commission
          #             "status": 0,                         # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
          #             "marketId": "318",                   # The market id
          #             "createTime": 1569058424861,         # Create time
          #             "availabelAmount": "14.05"           # Outstanding quantity
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"}
          #     }
          #
          order = self.safe_value(response, 'datas', {})
          return self.parse_order(order, market)
  
      async def cancel_order(self, id, symbol=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' cancelOrder() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
              'entrustId': id,
          }
          response = await self.privatePostExchangeEntrustControllerWebsiteEntrustControllerCancelEntrust(self.extend(request, params))
          #
          #     {
          #         "datas": null,
          #         "resMsg": {"message": "success !", "method": null, "code": "1"}
          #     }
          #
          return {
              'info': response,
              'id': id,
          }
  
      async def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' fetchOpenOrders() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
              # 'pageSize': limit,  # documented as required, but it works without it
              # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
          }
          if limit is not None:
              request['pageSize'] = limit  # default limit is 20
          response = await self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustRecordFromCacheWithPage(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "pageNum": 1,
          #             "pageSize": 2,
          #             "totalPage": 20,
          #             "totalRow": 40,
          #             "entrustList": [
          #                 {
          #                     "amount": "14.050000000000000000",        # Order quantity
          #                     "rangeType": 0,                           # Commission type 0: limit price commission 1: interval commission
          #                     "totalMoney": "20372.500000000000000000",  # Total order amount
          #                     "entrustId": "E6581108027628212224",      # Order id
          #                     "type": 1,                                # Trade direction, 0: sell, 1: buy, -1: cancel
          #                     "completeAmount": "0",                    # Quantity sold
          #                     "marketId": "318",                        # The market id
          #                     "createTime": 1569058424861,              # Create time
          #                     "price": "1450.000000000",                # price
          #                     "completeTotalMoney": "0",                # Quantity sold
          #                     "entrustType": 0,                         # Commission type, 0: ordinary current price commission, 1: lever commission
          #                     "status": 0                               # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
          #                 },
          #             ],
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"},
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          orders = self.safe_value(data, 'entrustList', [])
          return self.parse_orders(orders, market, since, limit)
  
      async def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' fetchClosedOrders() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
          }
          if limit is not None:
              request['pageSize'] = limit  # default limit is 20
          if since is not None:
              request['startDateTime'] = since
          response = await self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustList(self.extend(request, params))
          data = self.safe_value(response, 'datas', {})
          orders = self.safe_value(data, 'entrustList', [])
          return self.parse_orders(orders, market, since, limit)
  
      async def fetch_orders(self, symbol=None, since=None, limit=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' fetchOpenOrders() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'marketId': market['id'],
              # 'pageSize': limit,  # documented as required, but it works without it
              # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
              # 'type': 0,  # 0 = sell, 1 = buy, -1 = cancel
              # 'status': -1,  # -1 = insufficient funds, failed orders, 0 = pending orders, 1 = canceled, 2 = closed, 3 = partial
              # 'startDateTime': since,
              # 'endDateTime': self.milliseconds(),
          }
          if since is not None:
              request['startDateTime'] = since
          if limit is not None:
              request['pageSize'] = limit  # default limit is 20
          response = await self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustList(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "pageNum": 1,
          #             "pageSize": 2,
          #             "totalPage": 20,
          #             "totalRow": 40,
          #             "entrustList": [
          #                 {
          #                     "amount": "14.050000000000000000",        # Order quantity
          #                     "rangeType": 0,                           # Commission type 0: limit price commission 1: interval commission
          #                     "totalMoney": "20372.500000000000000000",  # Total order amount
          #                     "entrustId": "E6581108027628212224",      # Order id
          #                     "type": 1,                                # Trade direction, 0: sell, 1: buy, -1: cancel
          #                     "completeAmount": "0",                    # Quantity sold
          #                     "marketId": "318",                        # The market id
          #                     "createTime": 1569058424861,              # Create time
          #                     "price": "1450.000000000",                # price
          #                     "completeTotalMoney": "0",                # Quantity sold
          #                     "entrustType": 0,                         # Commission type, 0: ordinary current price commission, 1: lever commission
          #                     "status": 0                               # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
          #                 },
          #             ],
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"},
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          orders = self.safe_value(data, 'entrustList', [])
          return self.parse_orders(orders, market, since, limit)
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          url = self.implode_hostname(self.urls['api']) + '/' + path
          if method == 'GET':
              if params:
                  url += '?' + self.urlencode(params)
          else:
              body = self.json(params)
          if api == 'private':
              ms = str(self.milliseconds())
              content = ''
              if method == 'GET':
                  sortedParams = self.keysort(params)
                  keys = list(sortedParams.keys())
                  for i in range(0, len(keys)):
                      key = keys[i]
                      content += key + str(sortedParams[key])
              else:
                  content = body
              signature = self.apiKey + ms + content + self.secret
              hash = self.hash(self.encode(signature), 'md5')
              if not headers:
                  headers = {}
              headers['Apiid'] = self.apiKey
              headers['Timestamp'] = ms
              headers['Sign'] = hash
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  
      async def fetch_deposit_address(self, code, params={}):
          await self.load_markets()
          currency = self.currency(code)
          request = {
              'currencyTypeName': currency['name'],
          }
          response = await self.privatePostExchangeFundControllerWebsiteFundcontrollerGetPayinAddress(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "isMemo": True,                                # 是否为memo 格式，false：否，true ：是
          #             "address": "bweosdeposit_787928102918558272",  # 充币地址
          #             "memo": "787928102918558272",                  # 币种memo
          #             "account": "bweosdeposit"                      # 币种账户
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"}
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          address = self.safe_string(data, 'address')
          tag = self.safe_string(data, 'memo')
          self.check_address(address)
          return {
              'currency': code,
              'address': self.check_address(address),
              'tag': tag,
              'network': None,
              'info': response,
          }
  
      def parse_transaction_status(self, status):
          statuses = {
              '-1': 'canceled',  # or auditing failed
              '0': 'pending',
              '1': 'ok',
          }
          return self.safe_string(statuses, status, status)
  
      def parse_transaction(self, transaction, currency=None):
          #
          # fetchDeposits
          #
          #     {
          #         "depositId": "D6574268549744189441",                  # Deposit ID
          #         "amount": "54.753589700000000000",                    # Deposit amount
          #         "txId": "INNER_SYSTEM_TRANSFER_1198941",              # Trading ID
          #         "confirmTimes": 0,                                    # Confirmation number
          #         "depositAddress": "bweosdeposit_787928102918558272",  # Deposit address
          #         "createTime": "2019-09-02 20:36:08.0",                # Deposit time
          #         "status": 1,                                          # Deposit status, 0: not received, 1: received
          #         "currencyTypeId": 7,                                  # Token ID
          #     }
          #
          # fetchWithdrawals
          #
          #     {
          #         "withdrawalId": "W6527498439872634880",      # Withdrawal ID
          #         "fees": "0.500000000000000000",              # Withdrawal fee
          #         "withdrawalAddress": "okbtothemoon_941657",  # Withdrawal address
          #         "currencyId": "7",                           # Token ID
          #         "amount": "10.000000000000000000",           # Withdrawal amount
          #         "state": 1,                                  # Status, 1: normal, -1: del         #         "verifyStatus": 1,                           # Audit status, 0: to be audited, 1: auditing passed, -1: auditing failed
          #         "createTime": 1556276903656,                 # WIthdrawal time
          #         "actuallyAmount": "9.500000000000000000",    # Actual amount received
          #     }
          #
          id = self.safe_string(transaction, 'depositId', 'withdrawalId')
          address = self.safe_string_2(transaction, 'depositAddress', 'withdrawalAddress')
          currencyId = self.safe_string_2(transaction, 'currencyId', 'currencyTypeId')
          code = None
          if currencyId in self.currencies_by_id:
              currency = self.currencies_by_id[currencyId]
          if (code is None) and (currency is not None):
              code = currency['code']
          type = 'deposit' if ('depositId' in transaction) else 'withdrawal'
          amount = self.safe_number_2(transaction, 'actuallyAmount', 'amount')
          status = self.parse_transaction_status(self.safe_string_2(transaction, 'verifyStatus', 'state'))
          timestamp = self.safe_integer(transaction, 'createTime')
          txid = self.safe_string(transaction, 'txId')
          fee = None
          feeCost = self.safe_number(transaction, 'fees')
          if feeCost is not None:
              fee = {
                  'cost': feeCost,
                  'currency': code,
              }
          return {
              'info': transaction,
              'id': id,
              'txid': txid,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'addressFrom': None,
              'address': address,
              'addressTo': None,
              'tagFrom': None,
              'tag': None,
              'tagTo': None,
              'type': type,
              'amount': amount,
              'currency': code,
              'status': status,
              'updated': None,
              'fee': fee,
          }
  
      async def fetch_deposits(self, code=None, since=None, limit=None, params={}):
          if code is None:
              raise ArgumentsRequired(self.id + ' fetchDeposits() requires a currency code argument')
          await self.load_markets()
          currency = self.currency(code)
          request = {
              'currencyTypeName': currency['name'],
              # 'pageSize': limit,  # documented as required, but it works without it
              # 'pageNum': 0,  # also works without it, most likely a typo in the docs
              # 'sort': 1,  # 1 = asc, 0 = desc
          }
          if limit is not None:
              request['pageSize'] = limit  # default 50
          response = await self.privatePostExchangeFundControllerWebsiteFundcontrollerGetPayinCoinRecord(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "totalRow":2,
          #             "totalPage": 1,
          #             "pageSize": 2,
          #             "pageNum": 1,
          #             "list": [
          #                 {
          #                     "depositId": "D6574268549744189441",                  # Deposit ID
          #                     "amount": "54.753589700000000000",                    # Deposit amount
          #                     "txId": "INNER_SYSTEM_TRANSFER_1198941",              # Trading ID
          #                     "confirmTimes": 0,                                    # Confirmation number
          #                     "depositAddress": "bweosdeposit_787928102918558272",  # Deposit address
          #                     "createTime": "2019-09-02 20:36:08.0",                # Deposit time
          #                     "status": 1,                                          # Deposit status, 0: not received, 1: received
          #                     "currencyTypeId": 7,                                  # Token ID
          #                 },
          #             ]
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"},
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          deposits = self.safe_value(data, 'list', [])
          return self.parse_transactions(deposits, code, since, limit)
  
      async def fetch_withdrawals(self, code=None, since=None, limit=None, params={}):
          if code is None:
              raise ArgumentsRequired(self.id + ' fetchWithdrawals() requires a currency code argument')
          await self.load_markets()
          currency = self.currency(code)
          request = {
              'currencyId': currency['id'],
              # 'pageSize': limit,  # documented as required, but it works without it
              # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
              # 'tab': 'all',  # all, wait(submitted, not audited), success(auditing passed), fail(auditing failed), cancel(canceled by user)
          }
          if limit is not None:
              request['pageSize'] = limit  # default 50
          response = await self.privateGetExchangeFundControllerWebsiteFundwebsitecontrollerGetpayoutcoinrecord(self.extend(request, params))
          #
          #     {
          #         "datas": {
          #             "totalRow": 1,
          #             "totalPage": 1,
          #             "pageSize": 2,
          #             "pageNum": 1,
          #             "list": [
          #                 {
          #                     "withdrawalId": "W6527498439872634880",      # Withdrawal ID
          #                     "fees": "0.500000000000000000",              # Withdrawal fee
          #                     "withdrawalAddress": "okbtothemoon_941657",  # Withdrawal address
          #                     "currencyId": "7",                           # Token ID
          #                     "amount": "10.000000000000000000",           # Withdrawal amount
          #                     "state": 1,                                  # Status, 1: normal, -1: del         #                     "verifyStatus": 1,                           # Audit status, 0: to be audited, 1: auditing passed, -1: auditing failed
          #                     "createTime": 1556276903656,                 # WIthdrawal time
          #                     "actuallyAmount": "9.500000000000000000",    # Actual amount received
          #                 },
          #             ],
          #         },
          #         "resMsg": {"message": "success !", "method": null, "code": "1"},
          #     }
          #
          data = self.safe_value(response, 'datas', {})
          withdrawals = self.safe_value(data, 'list', [])
          return self.parse_transactions(withdrawals, code, since, limit)
  
      def handle_errors(self, httpCode, reason, url, method, headers, body, response, requestHeaders, requestBody):
          if not response:
              return  # default error handler
          resMsg = self.safe_value(response, 'resMsg')
          errorCode = self.safe_string(resMsg, 'code')
          if errorCode != '1':
              feedback = self.id + ' ' + self.json(response)
              self.throw_exactly_matched_exception(self.exceptions['exact'], errorCode, feedback)
              raise ExchangeError(feedback)  # unknown error
  