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.base.exchange import Exchange
  import hashlib
  from ccxt.base.errors import ExchangeError
  from ccxt.base.errors import InsufficientFunds
  from ccxt.base.errors import InvalidOrder
  from ccxt.base.errors import OrderNotFound
  
  
  class hitbtc (Exchange):
  
      def describe(self):
          return self.deep_extend(super(hitbtc, self).describe(), {
              'id': 'hitbtc',
              'name': 'HitBTC',
              'countries': ['HK'],
              'rateLimit': 1500,
              'version': '1',
              'has': {
                  'CORS': False,
                  'fetchTrades': True,
                  'fetchTickers': True,
                  'fetchOrder': True,
                  'fetchOpenOrders': True,
                  'fetchClosedOrders': True,
                  'fetchOrderTrades': True,
                  'withdraw': True,
              },
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/1294454/27766555-8eaec20e-5edc-11e7-9c5b-6dc69fc42f5e.jpg',
                  'api': 'https://api.hitbtc.com',
                  'www': 'https://hitbtc.com',
                  'referral': 'https://hitbtc.com/?ref_id=5a5d39a65d466',
                  'doc': 'https://github.com/hitbtc-com/hitbtc-api/blob/master/APIv1.md',
                  'fees': [
                      'https://hitbtc.com/fees-and-limits',
                      'https://support.hitbtc.com/hc/en-us/articles/115005148605-Fees-and-limits',
                  ],
              },
              'api': {
                  'public': {
                      'get': [
                          '{symbol}/orderbook',
                          '{symbol}/ticker',
                          '{symbol}/trades',
                          '{symbol}/trades/recent',
                          'symbols',
                          'ticker',
                          'time',
                      ],
                  },
                  'trading': {
                      'get': [
                          'balance',
                          'orders/active',
                          'orders/recent',
                          'order',
                          'trades/by/order',
                          'trades',
                      ],
                      'post': [
                          'new_order',
                          'cancel_order',
                          'cancel_orders',
                      ],
                  },
                  'payment': {
                      'get': [
                          'balance',
                          'address/{currency}',
                          'transactions',
                          'transactions/{transaction}',
                      ],
                      'post': [
                          'transfer_to_trading',
                          'transfer_to_main',
                          'address/{currency}',
                          'payout',
                      ],
                  },
              },
              # hardcoded fees are deprecated and should only be used when there's no other way to get fee info
              'fees': {
                  'trading': {
                      'tierBased': False,
                      'percentage': True,
                      'maker': -0.01 / 100,
                      'taker': 0.1 / 100,
                  },
                  'funding': {
                      'tierBased': False,
                      'percentage': False,
                      'withdraw': {
                          'BTC': 0.001,
                          'BCC': 0.0018,
                          'ETH': 0.00215,
                          'BCH': 0.0018,
                          'USDT': 100,
                          'DASH': 0.03,
                          'BTG': 0.0005,
                          'LTC': 0.003,
                          'ZEC': 0.0001,
                          'XMR': 0.09,
                          '1ST': 0.84,
                          'ADX': 5.7,
                          'AE': 6.7,
                          'AEON': 0.01006,
                          'AIR': 565,
                          'AMP': 9,
                          'ANT': 6.7,
                          'ARDR': 1,
                          'ARN': 18.5,
                          'ART': 26,
                          'ATB': 0.0004,
                          'ATL': 27,
                          'ATM': 504,
                          'ATS': 860,
                          'AVT': 1.9,
                          'BAS': 113,
                          'BCN': 0.1,
                          'DAO.Casino': 124,  # id = 'BET'
                          'BKB': 46,
                          'BMC': 32,
                          'BMT': 100,
                          'BNT': 2.57,
                          'BQX': 4.7,
                          'BTM': 40,
                          'BTX': 0.04,
                          'BUS': 0.004,
                          'CCT': 115,
                          'CDT': 100,
                          'CDX': 30,
                          'CFI': 61,
                          'CLD': 0.88,
                          'CND': 574,
                          'CNX': 0.04,
                          'COSS': 65,
                          'CSNO': 16,
                          'CTR': 15,
                          'CTX': 146,
                          'CVC': 8.46,
                          'DBIX': 0.0168,
                          'DCN': 120000,
                          'DCT': 0.02,
                          'DDF': 342,
                          'DENT': 6240,
                          'DGB': 0.4,
                          'DGD': 0.01,
                          'DICE': 0.32,
                          'DLT': 0.26,
                          'DNT': 0.21,
                          'DOGE': 2,
                          'DOV': 34,
                          'DRPU': 24,
                          'DRT': 240,
                          'DSH': 0.017,
                          'EBET': 84,
                          'EBTC': 20,
                          'EBTCOLD': 6.6,
                          'ECAT': 14,
                          'EDG': 2,
                          'EDO': 2.9,
                          'ELE': 0.00172,
                          'ELM': 0.004,
                          'EMC': 0.03,
                          'EMGO': 14,
                          'ENJ': 163,
                          'EOS': 1.5,
                          'ERO': 34,
                          'ETBS': 15,
                          'ETC': 0.002,
                          'ETP': 0.004,
                          'EVX': 5.4,
                          'EXN': 456,
                          'FRD': 65,
                          'FUEL': 123.00105,
                          'FUN': 202.9598309,
                          'FYN': 1.849,
                          'FYP': 66.13,
                          'GNO': 0.0034,
                          'GUP': 4,
                          'GVT': 1.2,
                          'HAC': 144,
                          'HDG': 7,
                          'HGT': 1082,
                          'HPC': 0.4,
                          'HVN': 120,
                          'ICN': 0.55,
                          'ICO': 34,
                          'ICOS': 0.35,
                          'IND': 76,
                          'INDI': 5913,
                          'ITS': 15.0012,
                          'IXT': 11,
                          'KBR': 143,
                          'KICK': 112,
                          'LA': 41,
                          'LAT': 1.44,
                          'LIFE': 13000,
                          'LRC': 27,
                          'LSK': 0.3,
                          'LUN': 0.34,
                          'MAID': 5,
                          'MANA': 143,
                          'MCAP': 5.44,
                          'MIPS': 43,
                          'MNE': 1.33,
                          'MSP': 121,
                          'MTH': 92,
                          'MYB': 3.9,
                          'NDC': 165,
                          'NEBL': 0.04,
                          'NET': 3.96,
                          'NTO': 998,
                          'NXC': 13.39,
                          'NXT': 3,
                          'OAX': 15,
                          'ODN': 0.004,
                          'OMG': 2,
                          'OPT': 335,
                          'ORME': 2.8,
                          'OTN': 0.57,
                          'PAY': 3.1,
                          'PIX': 96,
                          'PLBT': 0.33,
                          'PLR': 114,
                          'PLU': 0.87,
                          'POE': 784,
                          'POLL': 3.5,
                          'PPT': 2,
                          'PRE': 32,
                          'PRG': 39,
                          'PRO': 41,
                          'PRS': 60,
                          'PTOY': 0.5,
                          'QAU': 63,
                          'QCN': 0.03,
                          'QTUM': 0.04,
                          'QVT': 64,
                          'REP': 0.02,
                          'RKC': 15,
                          'RVT': 14,
                          'SAN': 2.24,
                          'SBD': 0.03,
                          'SCL': 2.6,
                          'SISA': 1640,
                          'SKIN': 407,
                          'SMART': 0.4,
                          'SMS': 0.0375,
                          'SNC': 36,
                          'SNGLS': 4,
                          'SNM': 48,
                          'SNT': 233,
                          'STEEM': 0.01,
                          'STRAT': 0.01,
                          'STU': 14,
                          'STX': 11,
                          'SUB': 17,
                          'SUR': 3,
                          'SWT': 0.51,
                          'TAAS': 0.91,
                          'TBT': 2.37,
                          'TFL': 15,
                          'TIME': 0.03,
                          'TIX': 7.1,
                          'TKN': 1,
                          'TKR': 84,
                          'TNT': 90,
                          'TRST': 1.6,
                          'TRX': 1395,
                          'UET': 480,
                          'UGT': 15,
                          'VEN': 14,
                          'VERI': 0.037,
                          'VIB': 50,
                          'VIBE': 145,
                          'VOISE': 618,
                          'WEALTH': 0.0168,
                          'WINGS': 2.4,
                          'WTC': 0.75,
                          'XAUR': 3.23,
                          'XDN': 0.01,
                          'XEM': 15,
                          'XUC': 0.9,
                          'YOYOW': 140,
                          'ZAP': 24,
                          'ZRX': 23,
                          'ZSC': 191,
                      },
                      'deposit': {
                          'BTC': 0.0006,
                          'ETH': 0.003,
                          'BCH': 0,
                          'USDT': 0,
                          'BTG': 0,
                          'LTC': 0,
                          'ZEC': 0,
                          'XMR': 0,
                          '1ST': 0,
                          'ADX': 0,
                          'AE': 0,
                          'AEON': 0,
                          'AIR': 0,
                          'AMP': 0,
                          'ANT': 0,
                          'ARDR': 0,
                          'ARN': 0,
                          'ART': 0,
                          'ATB': 0,
                          'ATL': 0,
                          'ATM': 0,
                          'ATS': 0,
                          'AVT': 0,
                          'BAS': 0,
                          'BCN': 0,
                          'DAO.Casino': 0,  # id = 'BET'
                          'BKB': 0,
                          'BMC': 0,
                          'BMT': 0,
                          'BNT': 0,
                          'BQX': 0,
                          'BTM': 0,
                          'BTX': 0,
                          'BUS': 0,
                          'CCT': 0,
                          'CDT': 0,
                          'CDX': 0,
                          'CFI': 0,
                          'CLD': 0,
                          'CND': 0,
                          'CNX': 0,
                          'COSS': 0,
                          'CSNO': 0,
                          'CTR': 0,
                          'CTX': 0,
                          'CVC': 0,
                          'DBIX': 0,
                          'DCN': 0,
                          'DCT': 0,
                          'DDF': 0,
                          'DENT': 0,
                          'DGB': 0,
                          'DGD': 0,
                          'DICE': 0,
                          'DLT': 0,
                          'DNT': 0,
                          'DOGE': 0,
                          'DOV': 0,
                          'DRPU': 0,
                          'DRT': 0,
                          'DSH': 0,
                          'EBET': 0,
                          'EBTC': 0,
                          'EBTCOLD': 0,
                          'ECAT': 0,
                          'EDG': 0,
                          'EDO': 0,
                          'ELE': 0,
                          'ELM': 0,
                          'EMC': 0,
                          'EMGO': 0,
                          'ENJ': 0,
                          'EOS': 0,
                          'ERO': 0,
                          'ETBS': 0,
                          'ETC': 0,
                          'ETP': 0,
                          'EVX': 0,
                          'EXN': 0,
                          'FRD': 0,
                          'FUEL': 0,
                          'FUN': 0,
                          'FYN': 0,
                          'FYP': 0,
                          'GNO': 0,
                          'GUP': 0,
                          'GVT': 0,
                          'HAC': 0,
                          'HDG': 0,
                          'HGT': 0,
                          'HPC': 0,
                          'HVN': 0,
                          'ICN': 0,
                          'ICO': 0,
                          'ICOS': 0,
                          'IND': 0,
                          'INDI': 0,
                          'ITS': 0,
                          'IXT': 0,
                          'KBR': 0,
                          'KICK': 0,
                          'LA': 0,
                          'LAT': 0,
                          'LIFE': 0,
                          'LRC': 0,
                          'LSK': 0,
                          'LUN': 0,
                          'MAID': 0,
                          'MANA': 0,
                          'MCAP': 0,
                          'MIPS': 0,
                          'MNE': 0,
                          'MSP': 0,
                          'MTH': 0,
                          'MYB': 0,
                          'NDC': 0,
                          'NEBL': 0,
                          'NET': 0,
                          'NTO': 0,
                          'NXC': 0,
                          'NXT': 0,
                          'OAX': 0,
                          'ODN': 0,
                          'OMG': 0,
                          'OPT': 0,
                          'ORME': 0,
                          'OTN': 0,
                          'PAY': 0,
                          'PIX': 0,
                          'PLBT': 0,
                          'PLR': 0,
                          'PLU': 0,
                          'POE': 0,
                          'POLL': 0,
                          'PPT': 0,
                          'PRE': 0,
                          'PRG': 0,
                          'PRO': 0,
                          'PRS': 0,
                          'PTOY': 0,
                          'QAU': 0,
                          'QCN': 0,
                          'QTUM': 0,
                          'QVT': 0,
                          'REP': 0,
                          'RKC': 0,
                          'RVT': 0,
                          'SAN': 0,
                          'SBD': 0,
                          'SCL': 0,
                          'SISA': 0,
                          'SKIN': 0,
                          'SMART': 0,
                          'SMS': 0,
                          'SNC': 0,
                          'SNGLS': 0,
                          'SNM': 0,
                          'SNT': 0,
                          'STEEM': 0,
                          'STRAT': 0,
                          'STU': 0,
                          'STX': 0,
                          'SUB': 0,
                          'SUR': 0,
                          'SWT': 0,
                          'TAAS': 0,
                          'TBT': 0,
                          'TFL': 0,
                          'TIME': 0,
                          'TIX': 0,
                          'TKN': 0,
                          'TKR': 0,
                          'TNT': 0,
                          'TRST': 0,
                          'TRX': 0,
                          'UET': 0,
                          'UGT': 0,
                          'VEN': 0,
                          'VERI': 0,
                          'VIB': 0,
                          'VIBE': 0,
                          'VOISE': 0,
                          'WEALTH': 0,
                          'WINGS': 0,
                          'WTC': 0,
                          'XAUR': 0,
                          'XDN': 0,
                          'XEM': 0,
                          'XUC': 0,
                          'YOYOW': 0,
                          'ZAP': 0,
                          'ZRX': 0,
                          'ZSC': 0,
                      },
                  },
              },
              'commonCurrencies': {
                  'BET': 'DAO.Casino',
                  'CAT': 'BitClave',
                  'DRK': 'DASH',
                  'EMGO': 'MGO',
                  'GET': 'Themis',
                  'HSR': 'HC',
                  'LNC': 'LinkerCoin',
                  'UNC': 'Unigame',
                  'USD': 'USDT',
                  'XBT': 'BTC',
              },
              'options': {
                  'defaultTimeInForce': 'FOK',
              },
          })
  
      def fetch_markets(self, params={}):
          response = self.publicGetSymbols(params)
          markets = self.safe_value(response, 'symbols')
          result = []
          for i in range(0, len(markets)):
              market = markets[i]
              id = self.safe_string(market, 'symbol')
              baseId = self.safe_string(market, 'commodity')
              quoteId = self.safe_string(market, 'currency')
              lot = self.safe_float(market, 'lot')
              step = self.safe_float(market, 'step')
              base = self.safe_currency_code(baseId)
              quote = self.safe_currency_code(quoteId)
              symbol = base + '/' + quote
              result.append({
                  'info': market,
                  'id': id,
                  'symbol': symbol,
                  'base': base,
                  'quote': quote,
                  'baseId': baseId,
                  'quoteId': quoteId,
                  'lot': lot,
                  'step': step,
                  'active': True,
                  'maker': self.safe_float(market, 'provideLiquidityRate'),
                  'taker': self.safe_float(market, 'takeLiquidityRate'),
                  'precision': {
                      'amount': self.precision_from_string(market['lot']),
                      'price': self.precision_from_string(market['step']),
                  },
                  'limits': {
                      'amount': {
                          'min': lot,
                          'max': None,
                      },
                      'price': {
                          'min': step,
                          'max': None,
                      },
                      'cost': {
                          'min': None,
                          'max': None,
                      },
                  },
              })
          return result
  
      def fetch_balance(self, params={}):
          self.load_markets()
          method = self.safe_string(params, 'type', 'trading')
          method += 'GetBalance'
          query = self.omit(params, 'type')
          response = getattr(self, method)(query)
          balances = self.safe_value(response, 'balance', [])
          result = {'info': response}
          for i in range(0, len(balances)):
              balance = balances[i]
              currencyId = self.safe_string(balance, 'currency_code')
              code = self.safe_currency_code(currencyId)
              account = self.account()
              account['free'] = self.safe_float_2(balance, 'cash', 'balance')
              account['used'] = self.safe_float(balance, 'reserved')
              result[code] = account
          return self.parse_balance(result)
  
      def fetch_order_book(self, symbol, limit=None, params={}):
          self.load_markets()
          orderbook = self.publicGetSymbolOrderbook(self.extend({
              'symbol': self.market_id(symbol),
          }, params))
          return self.parse_order_book(orderbook)
  
      def parse_ticker(self, ticker, market=None):
          timestamp = self.safe_integer(ticker, 'timestamp')
          symbol = None
          if market:
              symbol = market['symbol']
          last = self.safe_float(ticker, 'last')
          return {
              'symbol': symbol,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'high': self.safe_float(ticker, 'high'),
              'low': self.safe_float(ticker, 'low'),
              'bid': self.safe_float(ticker, 'bid'),
              'bidVolume': None,
              'ask': self.safe_float(ticker, 'ask'),
              'askVolume': None,
              'vwap': None,
              'open': self.safe_float(ticker, 'open'),
              'close': last,
              'last': last,
              'previousClose': None,
              'change': None,
              'percentage': None,
              'average': None,
              'baseVolume': self.safe_float(ticker, 'volume'),
              'quoteVolume': self.safe_float(ticker, 'volume_quote'),
              'info': ticker,
          }
  
      def fetch_tickers(self, symbols=None, params={}):
          self.load_markets()
          tickers = self.publicGetTicker(params)
          ids = list(tickers.keys())
          result = {}
          for i in range(0, len(ids)):
              id = ids[i]
              market = self.markets_by_id[id]
              symbol = market['symbol']
              ticker = tickers[id]
              result[symbol] = self.parse_ticker(ticker, market)
          return result
  
      def fetch_ticker(self, symbol, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {
              'symbol': market['id'],
          }
          response = self.publicGetSymbolTicker(self.extend(request, params))
          if 'message' in response:
              raise ExchangeError(self.id + ' ' + response['message'])
          return self.parse_ticker(response, market)
  
      def parse_trade(self, trade, market=None):
          if isinstance(trade, list):
              return self.parse_public_trade(trade, market)
          return self.parse_order_trade(trade, market)
  
      def parse_public_trade(self, trade, market=None):
          symbol = None
          if market is not None:
              symbol = market['symbol']
          side = None
          tradeLength = len(trade)
          if tradeLength > 4:
              side = trade[4]
          price = float(trade[1])
          amount = float(trade[2])
          cost = price * amount
          return {
              'info': trade,
              'id': str(trade[0]),
              'timestamp': trade[3],
              'datetime': self.iso8601(trade[3]),
              'symbol': symbol,
              'type': None,
              'side': side,
              'order': None,
              'takerOrMaker': None,
              'price': price,
              'amount': amount,
              'cost': cost,
              'fee': None,
          }
  
      def parse_order_trade(self, trade, market=None):
          symbol = None
          if market is not None:
              symbol = market['symbol']
          amount = self.safe_float(trade, 'execQuantity')
          if market:
              amount *= market['lot']
          price = self.safe_float(trade, 'execPrice')
          cost = price * amount
          fee = {
              'cost': self.safe_float(trade, 'fee'),
              'currency': None,
              'rate': None,
          }
          timestamp = self.safe_integer(trade, 'timestamp')
          id = self.safe_string(trade, 'tradeId')
          orderId = self.safe_string(trade, 'clientOrderId')
          side = self.safe_string(trade, 'side')
          return {
              'info': trade,
              'id': id,
              'order': orderId,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': symbol,
              'type': None,
              'side': side,
              'price': price,
              'amount': amount,
              'cost': cost,
              'fee': fee,
          }
  
      def fetch_trades(self, symbol, since=None, limit=None, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {
              'symbol': market['id'],
              # 'from': 0,
              # 'till': 100,
              # 'by': 'ts',  # or by trade_id
              # 'sort': 'desc',  # or asc
              # 'start_index': 0,
              # 'max_results': 1000,
              # 'format_item': 'object',
              # 'format_price': 'number',
              # 'format_amount': 'number',
              # 'format_tid': 'string',
              # 'format_timestamp': 'millisecond',
              # 'format_wrap': False,
              # 'side': 'true',
          }
          if since is not None:
              request['by'] = 'ts'
              request['from'] = since
          if limit is not None:
              request['max_results'] = limit
          response = self.publicGetSymbolTrades(self.extend(request, params))
          return self.parse_trades(response['trades'], market, since, limit)
  
      def create_order(self, symbol, type, side, amount, price=None, params={}):
          self.load_markets()
          market = self.market(symbol)
          # check if amount can be evenly divided into lots
          # they want integer quantity in lot units
          quantity = float(amount) / market['lot']
          wholeLots = int(round(quantity))
          difference = quantity - wholeLots
          if abs(difference) > market['step']:
              raise ExchangeError(self.id + ' order amount should be evenly divisible by lot unit size of ' + str(market['lot']))
          clientOrderId = self.milliseconds()
          request = {
              'clientOrderId': str(clientOrderId),
              'symbol': market['id'],
              'side': side,
              'quantity': str(wholeLots),  # quantity in integer lot units
              'type': type,
          }
          if type == 'limit':
              request['price'] = self.price_to_precision(symbol, price)
          else:
              request['timeInForce'] = self.options['defaultTimeInForce']
          response = self.tradingPostNewOrder(self.extend(request, params))
          order = self.parse_order(response['ExecutionReport'], market)
          if order['status'] == 'rejected':
              raise InvalidOrder(self.id + ' order was rejected by the exchange ' + self.json(order))
          return order
  
      def cancel_order(self, id, symbol=None, params={}):
          self.load_markets()
          request = {
              'clientOrderId': id,
          }
          return self.tradingPostCancelOrder(self.extend(request, params))
  
      def parse_order_status(self, status):
          statuses = {
              'new': 'open',
              'partiallyFilled': 'open',
              'filled': 'closed',
              'canceled': 'canceled',
              'rejected': 'rejected',
              'expired': 'expired',
          }
          return self.safe_string(statuses, status)
  
      def parse_order(self, order, market=None):
          timestamp = self.safe_integer(order, 'lastTimestamp')
          if timestamp is None:
              timestamp = self.safe_integer(order, 'timestamp')
          symbol = None
          if market is None:
              market = self.markets_by_id[order['symbol']]
          status = self.parse_order_status(self.safe_string(order, 'orderStatus'))
          price = self.safe_float(order, 'orderPrice')
          price = self.safe_float(order, 'price', price)
          price = self.safe_float(order, 'avgPrice', price)
          amount = self.safe_float(order, 'orderQuantity')
          amount = self.safe_float(order, 'quantity', amount)
          remaining = self.safe_float(order, 'quantityLeaves')
          remaining = self.safe_float(order, 'leavesQuantity', remaining)
          filled = None
          cost = None
          amountDefined = (amount is not None)
          remainingDefined = (remaining is not None)
          if market is not None:
              symbol = market['symbol']
              if amountDefined:
                  amount *= market['lot']
              if remainingDefined:
                  remaining *= market['lot']
          else:
              marketId = self.safe_string(order, 'symbol')
              if marketId in self.markets_by_id:
                  market = self.markets_by_id[marketId]
          if amountDefined:
              if remainingDefined:
                  filled = amount - remaining
                  if price is not None:
                      cost = price * filled
          feeCost = self.safe_float(order, 'fee')
          feeCurrency = None
          if market is not None:
              symbol = market['symbol']
              feeCurrency = market['quote']
          fee = {
              'cost': feeCost,
              'currency': feeCurrency,
              'rate': None,
          }
          id = self.safe_string(order, 'clientOrderId')
          type = self.safe_string(order, 'type')
          side = self.safe_string(order, 'side')
          return {
              'id': id,
              'info': order,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'lastTradeTimestamp': None,
              'status': status,
              'symbol': symbol,
              'type': type,
              'side': side,
              'price': price,
              'cost': cost,
              'amount': amount,
              'filled': filled,
              'remaining': remaining,
              'fee': fee,
          }
  
      def fetch_order(self, id, symbol=None, params={}):
          self.load_markets()
          request = {
              'clientOrderId': id,
          }
          response = self.tradingGetOrder(self.extend(request, params))
          if response['orders'][0]:
              return self.parse_order(response['orders'][0])
          raise OrderNotFound(self.id + ' fetchOrder() error: ' + self.response)
  
      def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          self.load_markets()
          statuses = ['new', 'partiallyFiiled']
          market = None
          request = {
              'sort': 'desc',
              'statuses': ','.join(statuses),
          }
          if symbol is not None:
              market = self.market(symbol)
              request['symbols'] = market['id']
          response = self.tradingGetOrdersActive(self.extend(request, params))
          return self.parse_orders(response['orders'], market, since, limit)
  
      def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
          self.load_markets()
          market = None
          statuses = ['filled', 'canceled', 'rejected', 'expired']
          request = {
              'sort': 'desc',
              'statuses': ','.join(statuses),
              'max_results': 1000,
          }
          if symbol is not None:
              market = self.market(symbol)
              request['symbols'] = market['id']
          response = self.tradingGetOrdersRecent(self.extend(request, params))
          return self.parse_orders(response['orders'], market, since, limit)
  
      def fetch_order_trades(self, id, symbol=None, since=None, limit=None, params={}):
          self.load_markets()
          market = None
          if symbol is not None:
              market = self.market(symbol)
          request = {
              'clientOrderId': id,
          }
          response = self.tradingGetTradesByOrder(self.extend(request, params))
          return self.parse_trades(response['trades'], market, since, limit)
  
      def withdraw(self, code, amount, address, tag=None, params={}):
          self.check_address(address)
          self.load_markets()
          currency = self.currency(code)
          request = {
              'currency_code': currency['id'],
              'amount': amount,
              'address': address,
          }
          if tag is not None:
              request['extra_id'] = tag
          response = self.paymentPostPayout(self.extend(request, params))
          return {
              'info': response,
              'id': response['transaction'],
          }
  
      def nonce(self):
          return self.milliseconds()
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          url = '/' + 'api' + '/' + self.version + '/' + api + '/' + self.implode_params(path, params)
          query = self.omit(params, self.extract_params(path))
          if api == 'public':
              if query:
                  url += '?' + self.urlencode(query)
          else:
              self.check_required_credentials()
              nonce = self.nonce()
              payload = {'nonce': nonce, 'apikey': self.apiKey}
              query = self.extend(payload, query)
              if method == 'GET':
                  url += '?' + self.urlencode(query)
              else:
                  url += '?' + self.urlencode(payload)
              auth = url
              if method == 'POST':
                  if query:
                      body = self.urlencode(query)
                      auth += body
              headers = {
                  'Content-Type': 'application/x-www-form-urlencoded',
                  'X-Signature': self.hmac(self.encode(auth), self.encode(self.secret), hashlib.sha512).lower(),
              }
          url = self.urls['api'] + url
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  
      def request(self, path, api='public', method='GET', params={}, headers=None, body=None):
          response = self.fetch2(path, api, method, params, headers, body)
          if 'code' in response:
              if 'ExecutionReport' in response:
                  if response['ExecutionReport']['orderRejectReason'] == 'orderExceedsLimit':
                      raise InsufficientFunds(self.id + ' ' + self.json(response))
              raise ExchangeError(self.id + ' ' + self.json(response))
          return response
  