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 hashlib
  from ccxt.base.errors import ExchangeError
  from ccxt.base.errors import AuthenticationError
  
  
  class itbit(Exchange):
  
      def describe(self):
          return self.deep_extend(super(itbit, self).describe(), {
              'id': 'itbit',
              'name': 'itBit',
              'countries': ['US'],
              'rateLimit': 2000,
              'version': 'v1',
              'has': {
                  'CORS': True,
                  'createMarketOrder': False,
                  'fetchMyTrades': True,
              },
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/1294454/27822159-66153620-60ad-11e7-89e7-005f6d7f3de0.jpg',
                  'api': 'https://api.itbit.com',
                  'www': 'https://www.itbit.com',
                  'doc': [
                      'https://api.itbit.com/docs',
                      'https://www.itbit.com/api',
                  ],
              },
              'api': {
                  'public': {
                      'get': [
                          'markets/{symbol}/ticker',
                          'markets/{symbol}/order_book',
                          'markets/{symbol}/trades',
                      ],
                  },
                  'private': {
                      'get': [
                          'wallets',
                          'wallets/{walletId}',
                          'wallets/{walletId}/balances/{currencyCode}',
                          'wallets/{walletId}/funding_history',
                          'wallets/{walletId}/trades',
                          'wallets/{walletId}/orders',
                          'wallets/{walletId}/orders/{id}',
                      ],
                      'post': [
                          'wallet_transfers',
                          'wallets',
                          'wallets/{walletId}/cryptocurrency_deposits',
                          'wallets/{walletId}/cryptocurrency_withdrawals',
                          'wallets/{walletId}/orders',
                          'wire_withdrawal',
                      ],
                      'delete': [
                          'wallets/{walletId}/orders/{id}',
                      ],
                  },
              },
              'markets': {
                  'BTC/USD': {'id': 'XBTUSD', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD'},
                  'BTC/SGD': {'id': 'XBTSGD', 'symbol': 'BTC/SGD', 'base': 'BTC', 'quote': 'SGD'},
                  'BTC/EUR': {'id': 'XBTEUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR'},
                  'ETH/USD': {'id': 'ETHUSD', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD'},
                  'ETH/EUR': {'id': 'ETHEUR', 'symbol': 'ETH/EUR', 'base': 'ETH', 'quote': 'EUR'},
                  'ETH/SGD': {'id': 'ETHSGD', 'symbol': 'ETH/SGD', 'base': 'ETH', 'quote': 'SGD'},
              },
              'fees': {
                  'trading': {
                      'maker': -0.03 / 100,
                      'taker': 0.35 / 100,
                  },
              },
              'commonCurrencies': {
                  'XBT': 'BTC',
              },
          })
  
      async def fetch_order_book(self, symbol, limit=None, params={}):
          await self.load_markets()
          request = {
              'symbol': self.market_id(symbol),
          }
          orderbook = await self.publicGetMarketsSymbolOrderBook(self.extend(request, params))
          return self.parse_order_book(orderbook)
  
      async def fetch_ticker(self, symbol, params={}):
          await self.load_markets()
          request = {
              'symbol': self.market_id(symbol),
          }
          ticker = await self.publicGetMarketsSymbolTicker(self.extend(request, params))
          serverTimeUTC = self.safe_string(ticker, 'serverTimeUTC')
          if not serverTimeUTC:
              raise ExchangeError(self.id + ' fetchTicker returned a bad response: ' + self.json(ticker))
          timestamp = self.parse8601(serverTimeUTC)
          vwap = self.safe_float(ticker, 'vwap24h')
          baseVolume = self.safe_float(ticker, 'volume24h')
          quoteVolume = None
          if baseVolume is not None and vwap is not None:
              quoteVolume = baseVolume * vwap
          last = self.safe_float(ticker, 'lastPrice')
          return {
              'symbol': symbol,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'high': self.safe_float(ticker, 'high24h'),
              'low': self.safe_float(ticker, 'low24h'),
              'bid': self.safe_float(ticker, 'bid'),
              'bidVolume': None,
              'ask': self.safe_float(ticker, 'ask'),
              'askVolume': None,
              'vwap': vwap,
              'open': self.safe_float(ticker, 'openToday'),
              'close': last,
              'last': last,
              'previousClose': None,
              'change': None,
              'percentage': None,
              'average': None,
              'baseVolume': baseVolume,
              'quoteVolume': quoteVolume,
              'info': ticker,
          }
  
      def parse_trade(self, trade, market=None):
          #
          # fetchTrades(public)
          #
          #     {
          #         timestamp: "2015-05-22T17:45:34.7570000Z",
          #         matchNumber: "5CR1JEUBBM8J",
          #         price: "351.45000000",
          #         amount: "0.00010000"
          #     }
          #
          # fetchMyTrades(private)
          #
          #     {
          #         "orderId": "248ffda4-83a0-4033-a5bb-8929d523f59f",
          #         "timestamp": "2015-05-11T14:48:01.9870000Z",
          #         "instrument": "XBTUSD",
          #         "direction": "buy",                      # buy or sell
          #         "currency1": "XBT",                      # base currency
          #         "currency1Amount": "0.00010000",         # order amount in base currency
          #         "currency2": "USD",                      # quote currency
          #         "currency2Amount": "0.0250530000000000",  # order cost in quote currency
          #         "rate": "250.53000000",
          #         "commissionPaid": "0.00000000",   # net trade fee paid after using any available rebate balance
          #         "commissionCurrency": "USD",
          #         "rebatesApplied": "-0.000125265",  # negative values represent amount of rebate balance used for trades removing liquidity from order book; positive values represent amount of rebate balance earned from trades adding liquidity to order book
          #         "rebateCurrency": "USD",
          #         "executionId": "23132"
          #     }
          #
          id = self.safe_string_2(trade, 'executionId', 'matchNumber')
          timestamp = self.parse8601(self.safe_string(trade, 'timestamp'))
          side = self.safe_string(trade, 'direction')
          orderId = self.safe_string(trade, 'orderId')
          feeCost = self.safe_float(trade, 'commissionPaid')
          feeCurrencyId = self.safe_string(trade, 'commissionCurrency')
          feeCurrency = self.safe_currency_code(feeCurrencyId)
          rebatesApplied = self.safe_float(trade, 'rebatesApplied')
          if rebatesApplied is not None:
              rebatesApplied = -rebatesApplied
          rebateCurrencyId = self.safe_string(trade, 'rebateCurrency')
          rebateCurrency = self.safe_currency_code(rebateCurrencyId)
          price = self.safe_float_2(trade, 'price', 'rate')
          amount = self.safe_float_2(trade, 'currency1Amount', 'amount')
          cost = None
          if price is not None:
              if amount is not None:
                  cost = price * amount
          symbol = None
          marketId = self.safe_string(trade, 'instrument')
          if marketId is not None:
              if marketId in self.markets_by_id:
                  market = self.markets_by_id[marketId]
              else:
                  baseId = self.safe_string(trade, 'currency1')
                  quoteId = self.safe_string(trade, 'currency2')
                  base = self.safe_currency_code(baseId)
                  quote = self.safe_currency_code(quoteId)
                  symbol = base + '/' + quote
          if symbol is None:
              if market is not None:
                  symbol = market['symbol']
          result = {
              'info': trade,
              'id': id,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': symbol,
              'order': orderId,
              'type': None,
              'side': side,
              'takerOrMaker': None,
              'price': price,
              'amount': amount,
              'cost': cost,
          }
          if feeCost is not None:
              if rebatesApplied is not None:
                  if feeCurrency == rebateCurrency:
                      feeCost = self.sum(feeCost, rebatesApplied)
                      result['fee'] = {
                          'cost': feeCost,
                          'currency': feeCurrency,
                      }
                  else:
                      result['fees'] = [
                          {
                              'cost': feeCost,
                              'currency': feeCurrency,
                          },
                          {
                              'cost': rebatesApplied,
                              'currency': rebateCurrency,
                          },
                      ]
              else:
                  result['fee'] = {
                      'cost': feeCost,
                      'currency': feeCurrency,
                  }
          if not ('fee' in list(result.keys())):
              if not ('fees' in list(result.keys())):
                  result['fee'] = None
          return result
  
      async def fetch_transactions(self, code=None, since=None, limit=None, params={}):
          await self.load_markets()
          walletId = self.safe_string(params, 'walletId')
          if walletId is None:
              raise ExchangeError(self.id + ' fetchMyTrades requires a walletId parameter')
          request = {
              'walletId': walletId,
          }
          if limit is not None:
              request['perPage'] = limit  # default 50, max 50
          response = await self.privateGetWalletsWalletIdFundingHistory(self.extend(request, params))
          #     {bankName: 'USBC(usd)',
          #         withdrawalId: 94740,
          #         holdingPeriodCompletionDate: '2018-04-16T07:57:05.9606869',
          #         time: '2018-04-16T07:57:05.9600000',
          #         currency: 'USD',
          #         transactionType: 'Withdrawal',
          #         amount: '2186.72000000',
          #         walletName: 'Wallet',
          #         status: 'completed'},
          #
          #     {"time": "2018-01-02T19:52:22.4176503",
          #     "amount": "0.50000000",
          #     "status": "completed",
          #     "txnHash": "1b6fff67ed83cb9e9a38ca4976981fc047322bc088430508fe764a127d3ace95",
          #     "currency": "XBT",
          #     "walletName": "Wallet",
          #     "transactionType": "Deposit",
          #     "destinationAddress": "3AAWTH9et4e8o51YKp9qPpmujrNXKwHWNX"}
          items = response['fundingHistory']
          result = []
          for i in range(0, len(items)):
              item = items[i]
              time = self.safe_string(item, 'time')
              timestamp = self.parse8601(time)
              currency = self.safe_string(item, 'currency')
              destinationAddress = self.safe_string(item, 'destinationAddress')
              txnHash = self.safe_string(item, 'txnHash')
              transactionType = self.safe_string_lower(item, 'transactionType')
              transactionStatus = self.safe_string(item, 'status')
              status = self.parse_transfer_status(transactionStatus)
              result.append({
                  'id': self.safe_string(item, 'withdrawalId'),
                  'timestamp': timestamp,
                  'datetime': self.iso8601(timestamp),
                  'currency': self.safe_currency_code(currency),
                  'address': destinationAddress,
                  'tag': None,
                  'txid': txnHash,
                  'type': transactionType,
                  'status': status,
                  'amount': self.safe_float(item, 'amount'),
                  'fee': None,
                  'info': item,
              })
          return result
  
      def parse_transfer_status(self, status):
          options = {
              'cancelled': 'canceled',
              'completed': 'ok',
          }
          return self.safe_string(options, status, 'pending')
  
      async def fetch_my_trades(self, symbol=None, since=None, limit=None, params={}):
          await self.load_markets()
          walletId = self.safe_string(params, 'walletId')
          if walletId is None:
              raise ExchangeError(self.id + ' fetchMyTrades requires a walletId parameter')
          request = {
              'walletId': walletId,
          }
          if since is not None:
              request['rangeStart'] = self.ymdhms(since, 'T')
          if limit is not None:
              request['perPage'] = limit  # default 50, max 50
          response = await self.privateGetWalletsWalletIdTrades(self.extend(request, params))
          #
          #     {
          #         "totalNumberOfRecords": "2",
          #         "currentPageNumber": "1",
          #         "latestExecutionId": "332",  # most recent execution at time of response
          #         "recordsPerPage": "50",
          #         "tradingHistory": [
          #             {
          #                 "orderId": "248ffda4-83a0-4033-a5bb-8929d523f59f",
          #                 "timestamp": "2015-05-11T14:48:01.9870000Z",
          #                 "instrument": "XBTUSD",
          #                 "direction": "buy",                      # buy or sell
          #                 "currency1": "XBT",                      # base currency
          #                 "currency1Amount": "0.00010000",         # order amount in base currency
          #                 "currency2": "USD",                      # quote currency
          #                 "currency2Amount": "0.0250530000000000",  # order cost in quote currency
          #                 "rate": "250.53000000",
          #                 "commissionPaid": "0.00000000",   # net trade fee paid after using any available rebate balance
          #                 "commissionCurrency": "USD",
          #                 "rebatesApplied": "-0.000125265",  # negative values represent amount of rebate balance used for trades removing liquidity from order book; positive values represent amount of rebate balance earned from trades adding liquidity to order book
          #                 "rebateCurrency": "USD",
          #                 "executionId": "23132"
          #             },
          #         ],
          #     }
          #
          trades = self.safe_value(response, 'tradingHistory', [])
          market = None
          if symbol is not None:
              market = self.market(symbol)
          return self.parse_trades(trades, market, since, limit)
  
      async def fetch_trades(self, symbol, since=None, limit=None, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'symbol': market['id'],
          }
          response = await self.publicGetMarketsSymbolTrades(self.extend(request, params))
          #
          #     {
          #         count: 3,
          #         recentTrades: [
          #             {
          #                 timestamp: "2015-05-22T17:45:34.7570000Z",
          #                 matchNumber: "5CR1JEUBBM8J",
          #                 price: "351.45000000",
          #                 amount: "0.00010000"
          #             },
          #         ]
          #     }
          #
          trades = self.safe_value(response, 'recentTrades', [])
          return self.parse_trades(trades, market, since, limit)
  
      async def fetch_balance(self, params={}):
          await self.load_markets()
          response = await self.fetch_wallets(params)
          balances = response[0]['balances']
          result = {'info': response}
          for i in range(0, len(balances)):
              balance = balances[i]
              currencyId = self.safe_string(balance, 'currency')
              code = self.safe_currency_code(currencyId)
              account = self.account()
              account['free'] = self.safe_float(balance, 'availableBalance')
              account['total'] = self.safe_float(balance, 'totalBalance')
              result[code] = account
          return self.parse_balance(result)
  
      async def fetch_wallets(self, params={}):
          await self.load_markets()
          if not self.uid:
              raise AuthenticationError(self.id + ' fetchWallets requires uid API credential')
          request = {
              'userId': self.uid,
          }
          return await self.privateGetWallets(self.extend(request, params))
  
      async def fetch_wallet(self, walletId, params={}):
          await self.load_markets()
          request = {
              'walletId': walletId,
          }
          return await self.privateGetWalletsWalletId(self.extend(request, params))
  
      async def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          request = {
              'status': 'open',
          }
          return await self.fetch_orders(symbol, since, limit, self.extend(request, params))
  
      async def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
          request = {
              'status': 'filled',
          }
          return await self.fetch_orders(symbol, since, limit, self.extend(request, params))
  
      async def fetch_orders(self, symbol=None, since=None, limit=None, params={}):
          await self.load_markets()
          market = None
          if symbol is not None:
              market = self.market(symbol)
          walletIdInParams = ('walletId' in list(params.keys()))
          if not walletIdInParams:
              raise ExchangeError(self.id + ' fetchOrders requires a walletId parameter')
          walletId = params['walletId']
          request = {
              'walletId': walletId,
          }
          response = await self.privateGetWalletsWalletIdOrders(self.extend(request, params))
          return self.parse_orders(response, market, since, limit)
  
      def parse_order_status(self, status):
          statuses = {
              'submitted': 'open',  # order pending book entry
              'open': 'open',
              'filled': 'closed',
              'cancelled': 'canceled',
              'rejected': 'canceled',
          }
          return self.safe_string(statuses, status, status)
  
      def parse_order(self, order, market=None):
          side = order['side']
          type = order['type']
          symbol = self.markets_by_id[order['instrument']]['symbol']
          timestamp = self.parse8601(order['createdTime'])
          amount = self.safe_float(order, 'amount')
          filled = self.safe_float(order, 'amountFilled')
          remaining = amount - filled
          fee = None
          price = self.safe_float(order, 'price')
          average = self.safe_float(order, 'volumeWeightedAveragePrice')
          cost = filled * average
          return {
              'id': order['id'],
              'info': order,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'lastTradeTimestamp': None,
              'status': self.parse_order_status(self.safe_string(order, 'status')),
              'symbol': symbol,
              'type': type,
              'side': side,
              'price': price,
              'cost': cost,
              'average': average,
              'amount': amount,
              'filled': filled,
              'remaining': remaining,
              'fee': fee,
              # 'trades': self.parse_trades(order['trades'], market),
          }
  
      def nonce(self):
          return self.milliseconds()
  
      async def create_order(self, symbol, type, side, amount, price=None, params={}):
          await self.load_markets()
          if type == 'market':
              raise ExchangeError(self.id + ' allows limit orders only')
          walletIdInParams = ('walletId' in list(params.keys()))
          if not walletIdInParams:
              raise ExchangeError(self.id + ' createOrder requires a walletId parameter')
          amount = str(amount)
          price = str(price)
          market = self.market(symbol)
          request = {
              'side': side,
              'type': type,
              'currency': market['id'].replace(market['quote'], ''),
              'amount': amount,
              'display': amount,
              'price': price,
              'instrument': market['id'],
          }
          response = await self.privatePostWalletsWalletIdOrders(self.extend(request, params))
          return {
              'info': response,
              'id': response['id'],
          }
  
      async def fetch_order(self, id, symbol=None, params={}):
          await self.load_markets()
          walletIdInParams = ('walletId' in list(params.keys()))
          if not walletIdInParams:
              raise ExchangeError(self.id + ' fetchOrder requires a walletId parameter')
          request = {
              'id': id,
          }
          response = await self.privateGetWalletsWalletIdOrdersId(self.extend(request, params))
          return self.parse_order(response)
  
      async def cancel_order(self, id, symbol=None, params={}):
          walletIdInParams = ('walletId' in list(params.keys()))
          if not walletIdInParams:
              raise ExchangeError(self.id + ' cancelOrder requires a walletId parameter')
          request = {
              'id': id,
          }
          return await self.privateDeleteWalletsWalletIdOrdersId(self.extend(request, params))
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          url = self.urls['api'] + '/' + self.version + '/' + self.implode_params(path, params)
          query = self.omit(params, self.extract_params(path))
          if method == 'GET' and query:
              url += '?' + self.urlencode(query)
          if method == 'POST' and query:
              body = self.json(query)
          if api == 'private':
              self.check_required_credentials()
              nonce = str(self.nonce())
              timestamp = nonce
              authBody = body if (method == 'POST') else ''
              auth = [method, url, authBody, nonce, timestamp]
              message = nonce + self.json(auth).replace('\\/', '/')
              hash = self.hash(self.encode(message), 'sha256', 'binary')
              binaryUrl = self.encode(url)
              binhash = self.binary_concat(binaryUrl, hash)
              signature = self.hmac(binhash, self.encode(self.secret), hashlib.sha512, 'base64')
              headers = {
                  'Authorization': self.apiKey + ':' + self.decode(signature),
                  'Content-Type': 'application/json',
                  'X-Auth-Timestamp': timestamp,
                  'X-Auth-Nonce': nonce,
              }
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  
      async def request(self, path, api='public', method='GET', params={}, headers=None, body=None):
          response = await self.fetch2(path, api, method, params, headers, body)
          if 'code' in response:
              raise ExchangeError(self.id + ' ' + self.json(response))
          return response
  