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
  
  # -----------------------------------------------------------------------------
  
  try:
      basestring  # Python 3
  except NameError:
      basestring = str  # Python 2
  import json
  from ccxt.base.errors import ExchangeError
  from ccxt.base.errors import AuthenticationError
  from ccxt.base.errors import PermissionDenied
  from ccxt.base.errors import InsufficientFunds
  from ccxt.base.errors import InvalidOrder
  from ccxt.base.errors import OrderNotFound
  from ccxt.base.errors import DDoSProtection
  from ccxt.base.errors import InvalidNonce
  
  
  class btcbox(Exchange):
  
      def describe(self):
          return self.deep_extend(super(btcbox, self).describe(), {
              'id': 'btcbox',
              'name': 'BtcBox',
              'countries': ['JP'],
              'rateLimit': 1000,
              'version': 'v1',
              'has': {
                  'cancelOrder': True,
                  'CORS': False,
                  'createOrder': True,
                  'fetchBalance': True,
                  'fetchOpenOrders': True,
                  'fetchOrder': True,
                  'fetchOrderBook': True,
                  'fetchOrders': True,
                  'fetchTicker': True,
                  'fetchTickers': False,
                  'fetchTrades': True,
              },
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/51840849/87327317-98c55400-c53c-11ea-9a11-81f7d951cc74.jpg',
                  'api': 'https://www.btcbox.co.jp/api',
                  'www': 'https://www.btcbox.co.jp/',
                  'doc': 'https://blog.btcbox.jp/en/archives/8762',
                  'fees': 'https://support.btcbox.co.jp/hc/en-us/articles/360001235694-Fees-introduction',
              },
              'api': {
                  'public': {
                      'get': [
                          'depth',
                          'orders',
                          'ticker',
                      ],
                  },
                  'private': {
                      'post': [
                          'balance',
                          'trade_add',
                          'trade_cancel',
                          'trade_list',
                          'trade_view',
                          'wallet',
                      ],
                  },
              },
              'markets': {
                  'BTC/JPY': {'id': 'btc', 'symbol': 'BTC/JPY', 'base': 'BTC', 'quote': 'JPY', 'baseId': 'btc', 'quoteId': 'jpy', 'taker': 0.05 / 100, 'maker': 0.05 / 100},
                  'ETH/JPY': {'id': 'eth', 'symbol': 'ETH/JPY', 'base': 'ETH', 'quote': 'JPY', 'baseId': 'eth', 'quoteId': 'jpy', 'taker': 0.10 / 100, 'maker': 0.10 / 100},
                  'LTC/JPY': {'id': 'ltc', 'symbol': 'LTC/JPY', 'base': 'LTC', 'quote': 'JPY', 'baseId': 'ltc', 'quoteId': 'jpy', 'taker': 0.10 / 100, 'maker': 0.10 / 100},
                  'BCH/JPY': {'id': 'bch', 'symbol': 'BCH/JPY', 'base': 'BCH', 'quote': 'JPY', 'baseId': 'bch', 'quoteId': 'jpy', 'taker': 0.10 / 100, 'maker': 0.10 / 100},
              },
              'exceptions': {
                  '104': AuthenticationError,
                  '105': PermissionDenied,
                  '106': InvalidNonce,
                  '107': InvalidOrder,  # price should be an integer
                  '200': InsufficientFunds,
                  '201': InvalidOrder,  # amount too small
                  '202': InvalidOrder,  # price should be [0 : 1000000]
                  '203': OrderNotFound,
                  '401': OrderNotFound,  # cancel canceled, closed or non-existent order
                  '402': DDoSProtection,
              },
          })
  
      def fetch_balance(self, params={}):
          self.load_markets()
          response = self.privatePostBalance(params)
          result = {'info': response}
          codes = list(self.currencies.keys())
          for i in range(0, len(codes)):
              code = codes[i]
              currency = self.currency(code)
              currencyId = currency['id']
              free = currencyId + '_balance'
              if free in response:
                  account = self.account()
                  used = currencyId + '_lock'
                  account['free'] = self.safe_float(response, free)
                  account['used'] = self.safe_float(response, used)
                  result[code] = account
          return self.parse_balance(result)
  
      def fetch_order_book(self, symbol, limit=None, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {}
          numSymbols = len(self.symbols)
          if numSymbols > 1:
              request['coin'] = market['baseId']
          response = self.publicGetDepth(self.extend(request, params))
          return self.parse_order_book(response)
  
      def parse_ticker(self, ticker, market=None):
          timestamp = self.milliseconds()
          symbol = None
          if market is not None:
              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, 'buy'),
              'bidVolume': None,
              'ask': self.safe_float(ticker, 'sell'),
              'askVolume': None,
              'vwap': None,
              'open': None,
              'close': last,
              'last': last,
              'previousClose': None,
              'change': None,
              'percentage': None,
              'average': None,
              'baseVolume': self.safe_float(ticker, 'vol'),
              'quoteVolume': self.safe_float(ticker, 'volume'),
              'info': ticker,
          }
  
      def fetch_ticker(self, symbol, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {}
          numSymbols = len(self.symbols)
          if numSymbols > 1:
              request['coin'] = market['baseId']
          response = self.publicGetTicker(self.extend(request, params))
          return self.parse_ticker(response, market)
  
      def parse_trade(self, trade, market=None):
          timestamp = self.safe_timestamp(trade, 'date')
          symbol = None
          if market is not None:
              symbol = market['symbol']
          id = self.safe_string(trade, 'tid')
          price = self.safe_float(trade, 'price')
          amount = self.safe_float(trade, 'amount')
          cost = None
          if amount is not None:
              if price is not None:
                  cost = price * amount
          type = None
          side = self.safe_string(trade, 'type')
          return {
              'info': trade,
              'id': id,
              'order': None,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': symbol,
              'type': type,
              'side': side,
              'takerOrMaker': None,
              'price': price,
              'amount': amount,
              'cost': cost,
              'fee': None,
          }
  
      def fetch_trades(self, symbol, since=None, limit=None, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {}
          numSymbols = len(self.symbols)
          if numSymbols > 1:
              request['coin'] = market['baseId']
          response = self.publicGetOrders(self.extend(request, params))
          return self.parse_trades(response, market, since, limit)
  
      def create_order(self, symbol, type, side, amount, price=None, params={}):
          self.load_markets()
          market = self.market(symbol)
          request = {
              'amount': amount,
              'price': price,
              'type': side,
              'coin': market['baseId'],
          }
          response = self.privatePostTradeAdd(self.extend(request, params))
          #
          #     {
          #         "result":true,
          #         "id":"11"
          #     }
          #
          return self.parse_order(response, market)
  
      def cancel_order(self, id, symbol=None, params={}):
          self.load_markets()
          # a special case for btcbox – default symbol is BTC/JPY
          if symbol is None:
              symbol = 'BTC/JPY'
          market = self.market(symbol)
          request = {
              'id': id,
              'coin': market['baseId'],
          }
          response = self.privatePostTradeCancel(self.extend(request, params))
          #
          #     {"result":true, "id":"11"}
          #
          return self.parse_order(response, market)
  
      def parse_order_status(self, status):
          statuses = {
              # TODO: complete list
              'part': 'open',  # partially or not at all executed
              'all': 'closed',  # fully executed
              'cancelled': 'canceled',
              'closed': 'closed',  # never encountered, seems to be bug in the doc
              'no': 'closed',  # not clarified in the docs...
          }
          return self.safe_string(statuses, status, status)
  
      def parse_order(self, order, market=None):
          #
          #     {
          #         "id":11,
          #         "datetime":"2014-10-21 10:47:20",
          #         "type":"sell",
          #         "price":42000,
          #         "amount_original":1.2,
          #         "amount_outstanding":1.2,
          #         "status":"closed",
          #         "trades":[]
          #     }
          #
          id = self.safe_string(order, 'id')
          datetimeString = self.safe_string(order, 'datetime')
          timestamp = None
          if datetimeString is not None:
              timestamp = self.parse8601(order['datetime'] + '+09:00')  # Tokyo time
          amount = self.safe_float(order, 'amount_original')
          remaining = self.safe_float(order, 'amount_outstanding')
          filled = None
          if amount is not None:
              if remaining is not None:
                  filled = amount - remaining
          price = self.safe_float(order, 'price')
          cost = None
          if price is not None:
              if filled is not None:
                  cost = filled * price
          # status is set by fetchOrder method only
          status = self.parse_order_status(self.safe_string(order, 'status'))
          # fetchOrders do not return status, use heuristic
          if status is None:
              if remaining is not None and remaining == 0:
                  status = 'closed'
          trades = None  # todo: self.parse_trades(order['trades'])
          symbol = None
          if market is not None:
              symbol = market['symbol']
          side = self.safe_string(order, 'type')
          return {
              'id': id,
              'clientOrderId': None,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'lastTradeTimestamp': None,
              'amount': amount,
              'remaining': remaining,
              'filled': filled,
              'side': side,
              'type': None,
              'timeInForce': None,
              'status': status,
              'symbol': symbol,
              'price': price,
              'cost': cost,
              'trades': trades,
              'fee': None,
              'info': order,
              'average': None,
          }
  
      def fetch_order(self, id, symbol=None, params={}):
          self.load_markets()
          # a special case for btcbox – default symbol is BTC/JPY
          if symbol is None:
              symbol = 'BTC/JPY'
          market = self.market(symbol)
          request = self.extend({
              'id': id,
              'coin': market['baseId'],
          }, params)
          response = self.privatePostTradeView(self.extend(request, params))
          return self.parse_order(response, market)
  
      def fetch_orders_by_type(self, type, symbol=None, since=None, limit=None, params={}):
          self.load_markets()
          # a special case for btcbox – default symbol is BTC/JPY
          if symbol is None:
              symbol = 'BTC/JPY'
          market = self.market(symbol)
          request = {
              'type': type,  # 'open' or 'all'
              'coin': market['baseId'],
          }
          response = self.privatePostTradeList(self.extend(request, params))
          orders = self.parse_orders(response, market, since, limit)
          # status(open/closed/canceled) is None
          # btcbox does not return status, but we know it's 'open' as we queried for open orders
          if type == 'open':
              for i in range(0, len(orders)):
                  orders[i]['status'] = 'open'
          return orders
  
      def fetch_orders(self, symbol=None, since=None, limit=None, params={}):
          return self.fetch_orders_by_type('all', symbol, since, limit, params)
  
      def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          return self.fetch_orders_by_type('open', symbol, since, limit, params)
  
      def nonce(self):
          return self.milliseconds()
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          url = self.urls['api'] + '/' + self.version + '/' + path
          if api == 'public':
              if params:
                  url += '?' + self.urlencode(params)
          else:
              self.check_required_credentials()
              nonce = str(self.nonce())
              query = self.extend({
                  'key': self.apiKey,
                  'nonce': nonce,
              }, params)
              request = self.urlencode(query)
              secret = self.hash(self.encode(self.secret))
              query['signature'] = self.hmac(self.encode(request), self.encode(secret))
              body = self.urlencode(query)
              headers = {
                  'Content-Type': 'application/x-www-form-urlencoded',
              }
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  
      def handle_errors(self, httpCode, reason, url, method, headers, body, response, requestHeaders, requestBody):
          if response is None:
              return  # resort to defaultErrorHandler
          # typical error response: {"result":false,"code":"401"}
          if httpCode >= 400:
              return  # resort to defaultErrorHandler
          result = self.safe_value(response, 'result')
          if result is None or result is True:
              return  # either public API(no error codes expected) or success
          code = self.safe_value(response, 'code')
          feedback = self.id + ' ' + body
          self.throw_exactly_matched_exception(self.exceptions, code, feedback)
          raise ExchangeError(feedback)  # unknown message
  
      def request(self, path, api='public', method='GET', params={}, headers=None, body=None):
          response = self.fetch2(path, api, method, params, headers, body)
          if isinstance(response, basestring):
              # sometimes the exchange returns whitespace prepended to json
              response = self.strip(response)
              if not self.is_json_encoded_object(response):
                  raise ExchangeError(self.id + ' ' + response)
              response = json.loads(response)
          return response
  