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
  import base64
  from ccxt.base.errors import NotSupported
  
  
  class coinfloor (Exchange):
  
      def describe(self):
          return self.deep_extend(super(coinfloor, self).describe(), {
              'id': 'coinfloor',
              'name': 'coinfloor',
              'rateLimit': 1000,
              'countries': ['UK'],
              'has': {
                  'CORS': False,
                  'fetchOpenOrders': True,
              },
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/1294454/28246081-623fc164-6a1c-11e7-913f-bac0d5576c90.jpg',
                  'api': 'https://webapi.coinfloor.co.uk/bist',
                  'www': 'https://www.coinfloor.co.uk',
                  'doc': [
                      'https://github.com/coinfloor/api',
                      'https://www.coinfloor.co.uk/api',
                  ],
              },
              'requiredCredentials': {
                  'apiKey': True,
                  'secret': False,
                  'password': True,
                  'uid': True,
              },
              'api': {
                  'public': {
                      'get': [
                          '{id}/ticker/',
                          '{id}/order_book/',
                          '{id}/transactions/',
                      ],
                  },
                  'private': {
                      'post': [
                          '{id}/balance/',
                          '{id}/user_transactions/',
                          '{id}/open_orders/',
                          '{id}/cancel_order/',
                          '{id}/buy/',
                          '{id}/sell/',
                          '{id}/buy_market/',
                          '{id}/sell_market/',
                          '{id}/estimate_sell_market/',
                          '{id}/estimate_buy_market/',
                      ],
                  },
              },
              'markets': {
                  'BTC/GBP': {'id': 'XBT/GBP', 'symbol': 'BTC/GBP', 'base': 'BTC', 'quote': 'GBP', 'baseId': 'XBT', 'quoteId': 'GBP'},
                  'BTC/EUR': {'id': 'XBT/EUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'baseId': 'XBT', 'quoteId': 'EUR'},
                  'BTC/USD': {'id': 'XBT/USD', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD', 'baseId': 'XBT', 'quoteId': 'USD'},
                  'BCH/GBP': {'id': 'BCH/GBP', 'symbol': 'BCH/GBP', 'base': 'BCH', 'quote': 'GBP', 'baseId': 'BCH', 'quoteId': 'GBP'},
                  'ETH/GBP': {'id': 'ETH/GBP', 'symbol': 'ETH/GBP', 'base': 'ETH', 'quote': 'GBP', 'baseId': 'ETH', 'quoteId': 'GBP'},
              },
          })
  
      async def fetch_balance(self, params={}):
          market = None
          if 'symbol' in params:
              market = self.find_market(params['symbol'])
          if 'id' in params:
              market = self.find_market(params['id'])
          if not market:
              raise NotSupported(self.id + ' fetchBalance requires a symbol param')
          response = await self.privatePostIdBalance({
              'id': market['id'],
          })
          result = {
              'info': response,
          }
          # base/quote used for keys e.g. "xbt_reserved"
          keys = market['id'].lower().split('/')
          result[market['base']] = {
              'free': float(response[keys[0] + '_available']),
              'used': float(response[keys[0] + '_reserved']),
              'total': float(response[keys[0] + '_balance']),
          }
          result[market['quote']] = {
              'free': float(response[keys[1] + '_available']),
              'used': float(response[keys[1] + '_reserved']),
              'total': float(response[keys[1] + '_balance']),
          }
          return self.parse_balance(result)
  
      async def fetch_order_book(self, symbol, limit=None, params={}):
          orderbook = await self.publicGetIdOrderBook(self.extend({
              'id': self.market_id(symbol),
          }, params))
          return self.parse_order_book(orderbook)
  
      def parse_ticker(self, ticker, market=None):
          # rewrite to get the timestamp from HTTP headers
          timestamp = self.milliseconds()
          symbol = None
          if market is not None:
              symbol = market['symbol']
          vwap = self.safe_float(ticker, 'vwap')
          baseVolume = self.safe_float(ticker, 'volume')
          quoteVolume = None
          if vwap is not None:
              quoteVolume = baseVolume * vwap
          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': vwap,
              'open': None,
              'close': last,
              'last': last,
              'previousClose': None,
              'change': None,
              'percentage': None,
              'average': None,
              'baseVolume': baseVolume,
              'quoteVolume': quoteVolume,
              'info': ticker,
          }
  
      async def fetch_ticker(self, symbol, params={}):
          market = self.market(symbol)
          ticker = await self.publicGetIdTicker(self.extend({
              'id': market['id'],
          }, params))
          return self.parse_ticker(ticker, market)
  
      def parse_trade(self, trade, market):
          timestamp = trade['date'] * 1000
          return {
              'info': trade,
              'id': str(trade['tid']),
              'order': None,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': market['symbol'],
              'type': None,
              'side': None,
              'price': self.safe_float(trade, 'price'),
              'amount': self.safe_float(trade, 'amount'),
          }
  
      async def fetch_trades(self, symbol, since=None, limit=None, params={}):
          market = self.market(symbol)
          response = await self.publicGetIdTransactions(self.extend({
              'id': market['id'],
          }, params))
          return self.parse_trades(response, market, since, limit)
  
      async def create_order(self, symbol, type, side, amount, price=None, params={}):
          order = {'id': self.market_id(symbol)}
          method = 'privatePostId' + self.capitalize(side)
          if type == 'market':
              order['quantity'] = amount
              method += 'Market'
          else:
              order['price'] = price
              order['amount'] = amount
          return getattr(self, method)(self.extend(order, params))
  
      async def cancel_order(self, id, symbol=None, params={}):
          return await self.privatePostIdCancelOrder({'id': id})
  
      def parse_order(self, order, market=None):
          timestamp = self.parse8601(order['datetime'])
          price = self.safe_float(order, 'price')
          amount = self.safe_float(order, 'amount')
          cost = price * amount
          side = None
          status = self.safe_string(order, 'status')
          if order['type'] == 0:
              side = 'buy'
          elif order['type'] == 1:
              side = 'sell'
          symbol = None
          if market is not None:
              symbol = market['symbol']
          id = str(order['id'])
          return {
              'info': order,
              'id': id,
              'datetime': self.iso8601(timestamp),
              'timestamp': timestamp,
              'lastTradeTimestamp': None,
              'status': status,
              'symbol': symbol,
              'type': 'limit',
              'side': side,
              'price': price,
              'amount': amount,
              'filled': None,
              'remaining': None,
              'cost': cost,
              'fee': None,
          }
  
      async def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          if symbol is None:
              raise NotSupported(self.id + ' fetchOpenOrders requires a symbol param')
          await self.load_markets()
          market = self.market(symbol)
          orders = await self.privatePostIdOpenOrders({
              'id': market['id'],
          })
          for i in range(0, len(orders)):
              # Coinfloor open orders would always be limit orders
              orders[i] = self.extend(orders[i], {'status': 'open'})
          return self.parse_orders(orders, market, since, limit)
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          # curl -k -u '[User ID]/[API key]:[Passphrase]' https://webapi.coinfloor.co.uk:8090/bist/XBT/GBP/balance/
          url = self.urls['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()
              body = self.urlencode(self.extend({'nonce': nonce}, query))
              auth = self.uid + '/' + self.apiKey + ':' + self.password
              signature = self.decode(base64.b64encode(self.encode(auth)))
              headers = {
                  'Content-Type': 'application/x-www-form-urlencoded',
                  'Authorization': 'Basic ' + signature,
              }
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  