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 InsufficientFunds
  from ccxt.base.errors import InvalidOrder
  from ccxt.base.errors import OrderNotFound
  from ccxt.base.errors import RateLimitExceeded
  from ccxt.base.precise import Precise
  
  
  class coinmate(Exchange):
  
      def describe(self):
          return self.deep_extend(super(coinmate, self).describe(), {
              'id': 'coinmate',
              'name': 'CoinMate',
              'countries': ['GB', 'CZ', 'EU'],  # UK, Czech Republic
              'rateLimit': 1000,
              'has': {
                  'CORS': True,
                  'spot': True,
                  'margin': False,
                  'swap': False,
                  'future': False,
                  'option': False,
                  'addMargin': False,
                  'cancelOrder': True,
                  'createOrder': True,
                  'createReduceOnlyOrder': False,
                  'fetchBalance': True,
                  'fetchBorrowRate': False,
                  'fetchBorrowRateHistories': False,
                  'fetchBorrowRateHistory': False,
                  'fetchBorrowRates': False,
                  'fetchBorrowRatesPerSymbol': False,
                  'fetchFundingHistory': False,
                  'fetchFundingRate': False,
                  'fetchFundingRateHistory': False,
                  'fetchFundingRates': False,
                  'fetchIndexOHLCV': False,
                  'fetchLeverage': False,
                  'fetchLeverageTiers': False,
                  'fetchMarkets': True,
                  'fetchMarkOHLCV': False,
                  'fetchMyTrades': True,
                  'fetchOpenOrders': True,
                  'fetchOrder': True,
                  'fetchOrderBook': True,
                  'fetchOrders': True,
                  'fetchPosition': False,
                  'fetchPositions': False,
                  'fetchPositionsRisk': False,
                  'fetchPremiumIndexOHLCV': False,
                  'fetchTicker': True,
                  'fetchTrades': True,
                  'fetchTradingFee': True,
                  'fetchTradingFees': False,
                  'fetchTransactions': True,
                  'reduceMargin': False,
                  'setLeverage': False,
                  'setMarginMode': False,
                  'setPositionMode': False,
                  'transfer': False,
                  'withdraw': True,
              },
              'urls': {
                  'logo': 'https://user-images.githubusercontent.com/51840849/87460806-1c9f3f00-c616-11ea-8c46-a77018a8f3f4.jpg',
                  'api': 'https://coinmate.io/api',
                  'www': 'https://coinmate.io',
                  'fees': 'https://coinmate.io/fees',
                  'doc': [
                      'https://coinmate.docs.apiary.io',
                      'https://coinmate.io/developers',
                  ],
                  'referral': 'https://coinmate.io?referral=YTFkM1RsOWFObVpmY1ZjMGREQmpTRnBsWjJJNVp3PT0',
              },
              'requiredCredentials': {
                  'apiKey': True,
                  'secret': True,
                  'uid': True,
              },
              'api': {
                  'public': {
                      'get': [
                          'orderBook',
                          'ticker',
                          'transactions',
                          'tradingPairs',
                      ],
                  },
                  'private': {
                      'post': [
                          'balances',
                          'bitcoinCashWithdrawal',
                          'bitcoinCashDepositAddresses',
                          'bitcoinDepositAddresses',
                          'bitcoinWithdrawal',
                          'bitcoinWithdrawalFees',
                          'buyInstant',
                          'buyLimit',
                          'cancelOrder',
                          'cancelOrderWithInfo',
                          'createVoucher',
                          'dashDepositAddresses',
                          'dashWithdrawal',
                          'ethereumWithdrawal',
                          'ethereumDepositAddresses',
                          'litecoinWithdrawal',
                          'litecoinDepositAddresses',
                          'openOrders',
                          'order',
                          'orderHistory',
                          'orderById',
                          'pusherAuth',
                          'redeemVoucher',
                          'replaceByBuyLimit',
                          'replaceByBuyInstant',
                          'replaceBySellLimit',
                          'replaceBySellInstant',
                          'rippleDepositAddresses',
                          'rippleWithdrawal',
                          'sellInstant',
                          'sellLimit',
                          'transactionHistory',
                          'traderFees',
                          'tradeHistory',
                          'transfer',
                          'transferHistory',
                          'unconfirmedBitcoinDeposits',
                          'unconfirmedBitcoinCashDeposits',
                          'unconfirmedDashDeposits',
                          'unconfirmedEthereumDeposits',
                          'unconfirmedLitecoinDeposits',
                          'unconfirmedRippleDeposits',
                      ],
                  },
              },
              'fees': {
                  'trading': {
                      'tierBased': True,
                      'percentage': True,
                      'maker': 0.12 / 100,
                      'taker': 0.25 / 100,
                      'tiers': {
                          'taker': [
                              [self.parse_number('0'), self.parse_number('0.0035')],
                              [self.parse_number('10000'), self.parse_number('0.0023')],
                              [self.parse_number('100000'), self.parse_number('0.0021')],
                              [self.parse_number('250000'), self.parse_number('0.0020')],
                              [self.parse_number('500000'), self.parse_number('0.0015')],
                              [self.parse_number('1000000'), self.parse_number('0.0013')],
                              [self.parse_number('3000000'), self.parse_number('0.0010')],
                              [self.parse_number('15000000'), self.parse_number('0.0005')],
                          ],
                          'maker': [
                              [self.parse_number('0'), self.parse_number('0.003')],
                              [self.parse_number('10000'), self.parse_number('0.0011')],
                              [self.parse_number('100000'), self.parse_number('0.0010')],
                              [self.parse_number('250000'), self.parse_number('0.0008')],
                              [self.parse_number('500000'), self.parse_number('0.0005')],
                              [self.parse_number('1000000'), self.parse_number('0.0003')],
                              [self.parse_number('3000000'), self.parse_number('0.0002')],
                              [self.parse_number('15000000'), self.parse_number('0')],
                          ],
                      },
                  },
              },
              'options': {
                  'withdraw': {
                      'fillResponsefromRequest': True,
                      'methods': {
                          'BTC': 'privatePostBitcoinWithdrawal',
                          'LTC': 'privatePostLitecoinWithdrawal',
                          'BCH': 'privatePostBitcoinCashWithdrawal',
                          'ETH': 'privatePostEthereumWithdrawal',
                          'XRP': 'privatePostRippleWithdrawal',
                          'DASH': 'privatePostDashWithdrawal',
                          'DAI': 'privatePostDaiWithdrawal',
                      },
                  },
              },
              'exceptions': {
                  'exact': {
                      'No order with given ID': OrderNotFound,
                  },
                  'broad': {
                      'Not enough account balance available': InsufficientFunds,
                      'Incorrect order ID': InvalidOrder,
                      'Minimum Order Size ': InvalidOrder,
                      'TOO MANY REQUESTS': RateLimitExceeded,
                      'Access denied.': AuthenticationError,  # {"error":true,"errorMessage":"Access denied.","data":null}
                  },
              },
          })
  
      async def fetch_markets(self, params={}):
          response = await self.publicGetTradingPairs(params)
          #
          #     {
          #         "error":false,
          #         "errorMessage":null,
          #         "data": [
          #             {
          #                 "name":"BTC_EUR",
          #                 "firstCurrency":"BTC",
          #                 "secondCurrency":"EUR",
          #                 "priceDecimals":2,
          #                 "lotDecimals":8,
          #                 "minAmount":0.0002,
          #                 "tradesWebSocketChannelId":"trades-BTC_EUR",
          #                 "orderBookWebSocketChannelId":"order_book-BTC_EUR",
          #                 "tradeStatisticsWebSocketChannelId":"statistics-BTC_EUR"
          #             },
          #         ]
          #     }
          #
          data = self.safe_value(response, 'data')
          result = []
          for i in range(0, len(data)):
              market = data[i]
              id = self.safe_string(market, 'name')
              baseId = self.safe_string(market, 'firstCurrency')
              quoteId = self.safe_string(market, 'secondCurrency')
              base = self.safe_currency_code(baseId)
              quote = self.safe_currency_code(quoteId)
              symbol = base + '/' + quote
              result.append({
                  'id': id,
                  'symbol': symbol,
                  'base': base,
                  'quote': quote,
                  'settle': None,
                  'baseId': baseId,
                  'quoteId': quoteId,
                  'settleId': None,
                  'type': 'spot',
                  'spot': True,
                  'margin': False,
                  'swap': False,
                  'future': False,
                  'option': False,
                  'active': None,
                  'contract': False,
                  'linear': None,
                  'inverse': None,
                  'contractSize': None,
                  'expiry': None,
                  'expiryDatetime': None,
                  'strike': None,
                  'optionType': None,
                  'precision': {
                      'amount': self.safe_integer(market, 'lotDecimals'),
                      'price': self.safe_integer(market, 'priceDecimals'),
                  },
                  'limits': {
                      'leverage': {
                          'min': None,
                          'max': None,
                      },
                      'amount': {
                          'min': self.safe_number(market, 'minAmount'),
                          'max': None,
                      },
                      'price': {
                          'min': None,
                          'max': None,
                      },
                      'cost': {
                          'min': None,
                          'max': None,
                      },
                  },
                  'info': market,
              })
          return result
  
      def parse_balance(self, response):
          balances = self.safe_value(response, 'data')
          result = {'info': response}
          currencyIds = list(balances.keys())
          for i in range(0, len(currencyIds)):
              currencyId = currencyIds[i]
              code = self.safe_currency_code(currencyId)
              balance = self.safe_value(balances, currencyId)
              account = self.account()
              account['free'] = self.safe_string(balance, 'available')
              account['used'] = self.safe_string(balance, 'reserved')
              account['total'] = self.safe_string(balance, 'balance')
              result[code] = account
          return self.safe_balance(result)
  
      async def fetch_balance(self, params={}):
          await self.load_markets()
          response = await self.privatePostBalances(params)
          return self.parse_balance(response)
  
      async def fetch_order_book(self, symbol, limit=None, params={}):
          await self.load_markets()
          request = {
              'currencyPair': self.market_id(symbol),
              'groupByPriceLimit': 'False',
          }
          response = await self.publicGetOrderBook(self.extend(request, params))
          orderbook = response['data']
          timestamp = self.safe_timestamp(orderbook, 'timestamp')
          return self.parse_order_book(orderbook, symbol, timestamp, 'bids', 'asks', 'price', 'amount')
  
      async def fetch_ticker(self, symbol, params={}):
          await self.load_markets()
          request = {
              'currencyPair': self.market_id(symbol),
          }
          response = await self.publicGetTicker(self.extend(request, params))
          ticker = self.safe_value(response, 'data')
          timestamp = self.safe_timestamp(ticker, 'timestamp')
          last = self.safe_number(ticker, 'last')
          return {
              'symbol': symbol,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'high': self.safe_number(ticker, 'high'),
              'low': self.safe_number(ticker, 'low'),
              'bid': self.safe_number(ticker, 'bid'),
              'bidVolume': None,
              'ask': self.safe_number(ticker, 'ask'),
              'vwap': None,
              'askVolume': None,
              'open': None,
              'close': last,
              'last': last,
              'previousClose': None,
              'change': None,
              'percentage': None,
              'average': None,
              'baseVolume': self.safe_number(ticker, 'amount'),
              'quoteVolume': None,
              'info': ticker,
          }
  
      async def fetch_transactions(self, code=None, since=None, limit=None, params={}):
          await self.load_markets()
          request = {
              'limit': 1000,
          }
          if limit is not None:
              request['limit'] = limit
          if since is not None:
              request['timestampFrom'] = since
          if code is not None:
              currency = self.currency(code)
              request['currency'] = currency['id']
          response = await self.privatePostTransferHistory(self.extend(request, params))
          items = response['data']
          return self.parse_transactions(items, None, since, limit)
  
      def parse_transaction_status(self, status):
          statuses = {
              'COMPLETED': 'ok',
              'WAITING': 'pending',
              'SENT': 'pending',
              'CREATED': 'pending',
              'OK': 'ok',
              'NEW': 'pending',
              'CANCELED': 'canceled',
          }
          return self.safe_string(statuses, status, status)
  
      def parse_transaction(self, transaction, currency=None):
          #
          # deposits
          #
          #     {
          #         transactionId: 1862815,
          #         timestamp: 1516803982388,
          #         amountCurrency: 'LTC',
          #         amount: 1,
          #         fee: 0,
          #         walletType: 'LTC',
          #         transferType: 'DEPOSIT',
          #         transferStatus: 'COMPLETED',
          #         txid:
          #         'ccb9255dfa874e6c28f1a64179769164025329d65e5201849c2400abd6bce245',
          #         destination: 'LQrtSKA6LnhcwRrEuiborQJnjFF56xqsFn',
          #         destinationTag: null
          #     }
          #
          # withdrawals
          #
          #     {
          #         transactionId: 2140966,
          #         timestamp: 1519314282976,
          #         amountCurrency: 'EUR',
          #         amount: 8421.7228,
          #         fee: 16.8772,
          #         walletType: 'BANK_WIRE',
          #         transferType: 'WITHDRAWAL',
          #         transferStatus: 'COMPLETED',
          #         txid: null,
          #         destination: null,
          #         destinationTag: null
          #     }
          #
          # withdraw
          #
          #     {
          #         "id": 2132583,
          #     }
          #
          timestamp = self.safe_integer(transaction, 'timestamp')
          amount = self.safe_number(transaction, 'amount')
          fee = self.safe_number(transaction, 'fee')
          txid = self.safe_string(transaction, 'txid')
          address = self.safe_string(transaction, 'destination')
          tag = self.safe_string(transaction, 'destinationTag')
          currencyId = self.safe_string(transaction, 'amountCurrency')
          code = self.safe_currency_code(currencyId, currency)
          type = self.safe_string_lower(transaction, 'transferType')
          status = self.parse_transaction_status(self.safe_string(transaction, 'transferStatus'))
          id = self.safe_string_2(transaction, 'transactionId', 'id')
          network = self.safe_string(transaction, 'walletType')
          return {
              'id': id,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'currency': code,
              'amount': amount,
              'type': type,
              'txid': txid,
              'network': network,
              'address': address,
              'addressTo': None,
              'addressFrom': None,
              'tag': tag,
              'tagTo': None,
              'tagFrom': None,
              'status': status,
              'fee': {
                  'cost': fee,
                  'currency': code,
              },
              'info': transaction,
          }
  
      async def withdraw(self, code, amount, address, tag=None, params={}):
          tag, params = self.handle_withdraw_tag_and_params(tag, params)
          self.check_address(address)
          await self.load_markets()
          currency = self.currency(code)
          withdrawOptions = self.safe_value(self.options, 'withdraw', {})
          methods = self.safe_value(withdrawOptions, 'methods', {})
          method = self.safe_string(methods, code)
          if method is None:
              allowedCurrencies = list(methods.keys())
              raise ExchangeError(self.id + ' withdraw() only allows withdrawing the following currencies: ' + ', '.join(allowedCurrencies))
          request = {
              'amount': self.currency_to_precision(code, amount),
              'address': address,
          }
          if tag is not None:
              request['destinationTag'] = tag
          response = await getattr(self, method)(self.extend(request, params))
          #
          #     {
          #         "error": False,
          #         "errorMessage": null,
          #         "data": {
          #             "id": "9e0a37fc-4ab4-4b9d-b9e7-c9c8f7c4c8e0"
          #         }
          #     }
          #
          data = self.safe_value(response, 'data')
          transaction = self.parse_transaction(data, currency)
          fillResponseFromRequest = self.safe_value(withdrawOptions, 'fillResponseFromRequest', True)
          if fillResponseFromRequest:
              transaction['amount'] = amount
              transaction['currency'] = code
              transaction['address'] = address
              transaction['tag'] = tag
              transaction['type'] = 'withdrawal'
              transaction['status'] = 'pending'
          return transaction
  
      async def fetch_my_trades(self, symbol=None, since=None, limit=None, params={}):
          await self.load_markets()
          if limit is None:
              limit = 1000
          request = {
              'limit': limit,
          }
          if symbol is not None:
              market = self.market(symbol)
              request['currencyPair'] = market['id']
          if since is not None:
              request['timestampFrom'] = since
          response = await self.privatePostTradeHistory(self.extend(request, params))
          data = self.safe_value(response, 'data', [])
          return self.parse_trades(data, None, since, limit)
  
      def parse_trade(self, trade, market=None):
          #
          # fetchMyTrades(private)
          #
          #     {
          #         transactionId: 2671819,
          #         createdTimestamp: 1529649127605,
          #         currencyPair: 'LTC_BTC',
          #         type: 'BUY',
          #         orderType: 'LIMIT',
          #         orderId: 101810227,
          #         amount: 0.01,
          #         price: 0.01406,
          #         fee: 0,
          #         feeType: 'MAKER'
          #     }
          #
          # fetchTrades(public)
          #
          #     {
          #         "timestamp":1561598833416,
          #         "transactionId":"4156303",
          #         "price":10950.41,
          #         "amount":0.004,
          #         "currencyPair":"BTC_EUR",
          #         "tradeType":"BUY"
          #     }
          #
          marketId = self.safe_string(trade, 'currencyPair')
          market = self.safe_market(marketId, market, '_')
          priceString = self.safe_string(trade, 'price')
          amountString = self.safe_string(trade, 'amount')
          side = self.safe_string_lower_2(trade, 'type', 'tradeType')
          type = self.safe_string_lower(trade, 'orderType')
          orderId = self.safe_string(trade, 'orderId')
          id = self.safe_string(trade, 'transactionId')
          timestamp = self.safe_integer_2(trade, 'timestamp', 'createdTimestamp')
          fee = None
          feeCostString = self.safe_string(trade, 'fee')
          if feeCostString is not None:
              fee = {
                  'cost': feeCostString,
                  'currency': market['quote'],
              }
          takerOrMaker = self.safe_string(trade, 'feeType')
          takerOrMaker = 'maker' if (takerOrMaker == 'MAKER') else 'taker'
          return self.safe_trade({
              'id': id,
              'info': trade,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'symbol': market['symbol'],
              'type': type,
              'side': side,
              'order': orderId,
              'takerOrMaker': takerOrMaker,
              'price': priceString,
              'amount': amountString,
              'cost': None,
              'fee': fee,
          }, market)
  
      async def fetch_trades(self, symbol, since=None, limit=None, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'currencyPair': market['id'],
              'minutesIntoHistory': 10,
          }
          response = await self.publicGetTransactions(self.extend(request, params))
          #
          #     {
          #         "error":false,
          #         "errorMessage":null,
          #         "data":[
          #             {
          #                 "timestamp":1561598833416,
          #                 "transactionId":"4156303",
          #                 "price":10950.41,
          #                 "amount":0.004,
          #                 "currencyPair":"BTC_EUR",
          #                 "tradeType":"BUY"
          #             }
          #         ]
          #     }
          #
          data = self.safe_value(response, 'data', [])
          return self.parse_trades(data, market, since, limit)
  
      async def fetch_trading_fee(self, symbol, params={}):
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'currencyPair': market['id'],
          }
          response = await self.privatePostTraderFees(self.extend(request, params))
          #
          #     {
          #         error: False,
          #         errorMessage: null,
          #         data: {maker: '0.3', taker: '0.35', timestamp: '1646253217815'}
          #     }
          #
          data = self.safe_value(response, 'data', {})
          makerString = self.safe_string(data, 'maker')
          takerString = self.safe_string(data, 'taker')
          maker = self.parse_number(Precise.string_div(makerString, '100'))
          taker = self.parse_number(Precise.string_div(takerString, '100'))
          return {
              'info': data,
              'symbol': symbol,
              'maker': maker,
              'taker': taker,
              'percentage': True,
              'tierBased': True,
          }
  
      async def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
          response = await self.privatePostOpenOrders(self.extend({}, params))
          extension = {'status': 'open'}
          return self.parse_orders(response['data'], None, since, limit, extension)
  
      async def fetch_orders(self, symbol=None, since=None, limit=None, params={}):
          if symbol is None:
              raise ArgumentsRequired(self.id + ' fetchOrders() requires a symbol argument')
          await self.load_markets()
          market = self.market(symbol)
          request = {
              'currencyPair': market['id'],
          }
          # offset param that appears in other parts of the API doesn't appear to be supported here
          if limit is not None:
              request['limit'] = limit
          response = await self.privatePostOrderHistory(self.extend(request, params))
          return self.parse_orders(response['data'], market, since, limit)
  
      def parse_order_status(self, status):
          statuses = {
              'FILLED': 'closed',
              'CANCELLED': 'canceled',
              'PARTIALLY_FILLED': 'open',
              'OPEN': 'open',
          }
          return self.safe_string(statuses, status, status)
  
      def parse_order_type(self, type):
          types = {
              'LIMIT': 'limit',
              'MARKET': 'market',
          }
          return self.safe_string(types, type, type)
  
      def parse_order(self, order, market=None):
          #
          # limit sell
          #
          #     {
          #         id: 781246605,
          #         timestamp: 1584480015133,
          #         trailingUpdatedTimestamp: null,
          #         type: 'SELL',
          #         currencyPair: 'ETH_BTC',
          #         price: 0.0345,
          #         amount: 0.01,
          #         stopPrice: null,
          #         originalStopPrice: null,
          #         marketPriceAtLastUpdate: null,
          #         marketPriceAtOrderCreation: null,
          #         orderTradeType: 'LIMIT',
          #         hidden: False,
          #         trailing: False,
          #         clientOrderId: null
          #     }
          #
          # limit buy
          #
          #     {
          #         id: 67527001,
          #         timestamp: 1517931722613,
          #         trailingUpdatedTimestamp: null,
          #         type: 'BUY',
          #         price: 5897.24,
          #         remainingAmount: 0.002367,
          #         originalAmount: 0.1,
          #         stopPrice: null,
          #         originalStopPrice: null,
          #         marketPriceAtLastUpdate: null,
          #         marketPriceAtOrderCreation: null,
          #         status: 'CANCELLED',
          #         orderTradeType: 'LIMIT',
          #         hidden: False,
          #         avgPrice: null,
          #         trailing: False,
          #     }
          #
          id = self.safe_string(order, 'id')
          timestamp = self.safe_integer(order, 'timestamp')
          side = self.safe_string_lower(order, 'type')
          priceString = self.safe_string(order, 'price')
          amountString = self.safe_string(order, 'originalAmount')
          remainingString = self.safe_string_2(order, 'remainingAmount', 'amount')
          status = self.parse_order_status(self.safe_string(order, 'status'))
          type = self.parse_order_type(self.safe_string(order, 'orderTradeType'))
          averageString = self.safe_string(order, 'avgPrice')
          marketId = self.safe_string(order, 'currencyPair')
          symbol = self.safe_symbol(marketId, market, '_')
          clientOrderId = self.safe_string(order, 'clientOrderId')
          stopPrice = self.safe_number(order, 'stopPrice')
          return self.safe_order({
              'id': id,
              'clientOrderId': clientOrderId,
              'timestamp': timestamp,
              'datetime': self.iso8601(timestamp),
              'lastTradeTimestamp': None,
              'symbol': symbol,
              'type': type,
              'timeInForce': None,
              'postOnly': None,
              'side': side,
              'price': priceString,
              'stopPrice': stopPrice,
              'amount': amountString,
              'cost': None,
              'average': averageString,
              'filled': None,
              'remaining': remainingString,
              'status': status,
              'trades': None,
              'info': order,
              'fee': None,
          }, market)
  
      async def create_order(self, symbol, type, side, amount, price=None, params={}):
          await self.load_markets()
          method = 'privatePost' + self.capitalize(side)
          request = {
              'currencyPair': self.market_id(symbol),
          }
          if type == 'market':
              if side == 'buy':
                  request['total'] = self.amount_to_precision(symbol, amount)  # amount in fiat
              else:
                  request['amount'] = self.amount_to_precision(symbol, amount)  # amount in fiat
              method += 'Instant'
          else:
              request['amount'] = self.amount_to_precision(symbol, amount)  # amount in crypto
              request['price'] = self.price_to_precision(symbol, price)
              method += self.capitalize(type)
          response = await getattr(self, method)(self.extend(request, params))
          id = self.safe_string(response, 'data')
          return {
              'info': response,
              'id': id,
          }
  
      async def fetch_order(self, id, symbol=None, params={}):
          await self.load_markets()
          request = {
              'orderId': id,
          }
          market = None
          if symbol:
              market = self.market(symbol)
          response = await self.privatePostOrderById(self.extend(request, params))
          data = self.safe_value(response, 'data')
          return self.parse_order(data, market)
  
      async def cancel_order(self, id, symbol=None, params={}):
          #   {"error":false,"errorMessage":null,"data":{"success":true,"remainingAmount":0.01}}
          request = {'orderId': id}
          response = await self.privatePostCancelOrderWithInfo(self.extend(request, params))
          return {
              'info': response,
          }
  
      def nonce(self):
          return self.milliseconds()
  
      def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
          url = self.urls['api'] + '/' + path
          if api == 'public':
              if params:
                  url += '?' + self.urlencode(params)
          else:
              self.check_required_credentials()
              nonce = str(self.nonce())
              auth = nonce + self.uid + self.apiKey
              signature = self.hmac(self.encode(auth), self.encode(self.secret))
              body = self.urlencode(self.extend({
                  'clientId': self.uid,
                  'nonce': nonce,
                  'publicKey': self.apiKey,
                  'signature': signature.upper(),
              }, params))
              headers = {
                  'Content-Type': 'application/x-www-form-urlencoded',
              }
          return {'url': url, 'method': method, 'body': body, 'headers': headers}
  
      def handle_errors(self, code, reason, url, method, headers, body, response, requestHeaders, requestBody):
          if response is not None:
              if 'error' in response:
                  # {"error":true,"errorMessage":"Minimum Order Size 0.01 ETH","data":null}
                  if response['error']:
                      message = self.safe_string(response, 'errorMessage')
                      feedback = self.id + ' ' + message
                      self.throw_exactly_matched_exception(self.exceptions['exact'], message, feedback)
                      self.throw_broadly_matched_exception(self.exceptions['broad'], message, feedback)
                      raise ExchangeError(self.id + ' ' + self.json(response))
          if code > 400:
              if body:
                  feedback = self.id + ' ' + body
                  self.throw_exactly_matched_exception(self.exceptions['exact'], body, feedback)
                  self.throw_broadly_matched_exception(self.exceptions['broad'], body, feedback)
                  raise ExchangeError(feedback)  # unknown message
              raise ExchangeError(self.id + ' ' + body)
  