# -*- 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 # ----------------------------------------------------------------------------- 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 ArgumentsRequired from ccxt.base.errors import NullResponse from ccxt.base.errors import InsufficientFunds from ccxt.base.errors import InvalidOrder from ccxt.base.errors import OrderNotFound from ccxt.base.errors import NotSupported from ccxt.base.errors import DDoSProtection from ccxt.base.errors import RateLimitExceeded from ccxt.base.errors import InvalidNonce class cex(Exchange): def describe(self): return self.deep_extend(super(cex, self).describe(), { 'id': 'cex', 'name': 'CEX.IO', 'countries': ['GB', 'EU', 'CY', 'RU'], 'rateLimit': 1500, 'has': { 'cancelOrder': True, 'CORS': False, 'createOrder': True, 'editOrder': True, 'fetchBalance': True, 'fetchClosedOrders': True, 'fetchCurrencies': True, 'fetchDepositAddress': True, 'fetchMarkets': True, 'fetchOHLCV': True, 'fetchOpenOrders': True, 'fetchOrder': True, 'fetchOrderBook': True, 'fetchOrders': True, 'fetchTicker': True, 'fetchTickers': True, 'fetchTrades': True, }, 'timeframes': { '1m': '1m', }, 'urls': { 'logo': 'https://user-images.githubusercontent.com/1294454/27766442-8ddc33b0-5ed8-11e7-8b98-f786aef0f3c9.jpg', 'api': 'https://cex.io/api', 'www': 'https://cex.io', 'doc': 'https://cex.io/cex-api', 'fees': [ 'https://cex.io/fee-schedule', 'https://cex.io/limits-commissions', ], 'referral': 'https://cex.io/r/0/up105393824/0/', }, 'requiredCredentials': { 'apiKey': True, 'secret': True, 'uid': True, }, 'api': { 'public': { 'get': [ 'currency_profile', 'currency_limits/', 'last_price/{pair}/', 'last_prices/{currencies}/', 'ohlcv/hd/{yyyymmdd}/{pair}', 'order_book/{pair}/', 'ticker/{pair}/', 'tickers/{currencies}/', 'trade_history/{pair}/', ], 'post': [ 'convert/{pair}', 'price_stats/{pair}', ], }, 'private': { 'post': [ 'active_orders_status/', 'archived_orders/{pair}/', 'balance/', 'cancel_order/', 'cancel_orders/{pair}/', 'cancel_replace_order/{pair}/', 'close_position/{pair}/', 'get_address/', 'get_myfee/', 'get_order/', 'get_order_tx/', 'open_orders/{pair}/', 'open_orders/', 'open_position/{pair}/', 'open_positions/{pair}/', 'place_order/{pair}/', ], }, }, 'fees': { 'trading': { 'maker': 0.16 / 100, 'taker': 0.25 / 100, }, 'funding': { 'withdraw': { # 'USD': None, # 'EUR': None, # 'RUB': None, # 'GBP': None, 'BTC': 0.001, 'ETH': 0.01, 'BCH': 0.001, 'DASH': 0.01, 'BTG': 0.001, 'ZEC': 0.001, 'XRP': 0.02, }, 'deposit': { # 'USD': amount => amount * 0.035 + 0.25, # 'EUR': amount => amount * 0.035 + 0.24, # 'RUB': amount => amount * 0.05 + 15.57, # 'GBP': amount => amount * 0.035 + 0.2, 'BTC': 0.0, 'ETH': 0.0, 'BCH': 0.0, 'DASH': 0.0, 'BTG': 0.0, 'ZEC': 0.0, 'XRP': 0.0, 'XLM': 0.0, }, }, }, 'exceptions': { 'exact': {}, 'broad': { 'Insufficient funds': InsufficientFunds, 'Nonce must be incremented': InvalidNonce, 'Invalid Order': InvalidOrder, 'Order not found': OrderNotFound, 'limit exceeded': RateLimitExceeded, # {"error":"rate limit exceeded"} 'Invalid API key': AuthenticationError, 'There was an error while placing your order': InvalidOrder, 'Sorry, too many clients already': DDoSProtection, }, }, 'options': { 'fetchOHLCVWarning': True, 'createMarketBuyOrderRequiresPrice': True, 'order': { 'status': { 'c': 'canceled', 'd': 'closed', 'cd': 'canceled', 'a': 'open', }, }, }, }) async def fetch_currencies_from_cache(self, params={}): # self method is now redundant # currencies are now fetched before markets options = self.safe_value(self.options, 'fetchCurrencies', {}) timestamp = self.safe_integer(options, 'timestamp') expires = self.safe_integer(options, 'expires', 1000) now = self.milliseconds() if (timestamp is None) or ((now - timestamp) > expires): response = await self.publicGetCurrencyProfile(params) self.options['fetchCurrencies'] = self.extend(options, { 'response': response, 'timestamp': now, }) return self.safe_value(self.options['fetchCurrencies'], 'response') async def fetch_currencies(self, params={}): response = await self.fetch_currencies_from_cache(params) self.options['currencies'] = { 'timestamp': self.milliseconds(), 'response': response, } # # { # "e":"currency_profile", # "ok":"ok", # "data":{ # "symbols":[ # { # "code":"GHS", # "contract":true, # "commodity":true, # "fiat":false, # "description":"CEX.IO doesn't provide cloud mining services anymore.", # "precision":8, # "scale":0, # "minimumCurrencyAmount":"0.00000001", # "minimalWithdrawalAmount":-1 # }, # { # "code":"BTC", # "contract":false, # "commodity":false, # "fiat":false, # "description":"", # "precision":8, # "scale":0, # "minimumCurrencyAmount":"0.00000001", # "minimalWithdrawalAmount":0.002 # }, # { # "code":"ETH", # "contract":false, # "commodity":false, # "fiat":false, # "description":"", # "precision":8, # "scale":2, # "minimumCurrencyAmount":"0.00000100", # "minimalWithdrawalAmount":0.01 # } # ], # "pairs":[ # { # "symbol1":"BTC", # "symbol2":"USD", # "pricePrecision":1, # "priceScale":"/1000000", # "minLotSize":0.002, # "minLotSizeS2":20 # }, # { # "symbol1":"ETH", # "symbol2":"USD", # "pricePrecision":2, # "priceScale":"/10000", # "minLotSize":0.1, # "minLotSizeS2":20 # } # ] # } # } # data = self.safe_value(response, 'data', []) currencies = self.safe_value(data, 'symbols', []) result = {} for i in range(0, len(currencies)): currency = currencies[i] id = self.safe_string(currency, 'code') code = self.safe_currency_code(id) precision = self.safe_integer(currency, 'precision') active = True result[code] = { 'id': id, 'code': code, 'name': id, 'active': active, 'precision': precision, 'fee': None, 'limits': { 'amount': { 'min': self.safe_float(currency, 'minimumCurrencyAmount'), 'max': None, }, 'price': { 'min': None, 'max': None, }, 'cost': { 'min': None, 'max': None, }, 'withdraw': { 'min': self.safe_float(currency, 'minimalWithdrawalAmount'), 'max': None, }, }, 'info': currency, } return result async def fetch_markets(self, params={}): currenciesResponse = await self.fetch_currencies_from_cache(params) currenciesData = self.safe_value(currenciesResponse, 'data', {}) currencies = self.safe_value(currenciesData, 'symbols', []) currenciesById = self.index_by(currencies, 'code') pairs = self.safe_value(currenciesData, 'pairs', []) response = await self.publicGetCurrencyLimits(params) # # { # "e":"currency_limits", # "ok":"ok", # "data": { # "pairs":[ # { # "symbol1":"BTC", # "symbol2":"USD", # "minLotSize":0.002, # "minLotSizeS2":20, # "maxLotSize":30, # "minPrice":"1500", # "maxPrice":"35000" # }, # { # "symbol1":"BCH", # "symbol2":"EUR", # "minLotSize":0.1, # "minLotSizeS2":20, # "maxLotSize":null, # "minPrice":"25", # "maxPrice":"8192" # } # ] # } # } # result = [] markets = self.safe_value(response['data'], 'pairs') for i in range(0, len(markets)): market = markets[i] baseId = self.safe_string(market, 'symbol1') quoteId = self.safe_string(market, 'symbol2') id = baseId + '/' + quoteId base = self.safe_currency_code(baseId) quote = self.safe_currency_code(quoteId) symbol = base + '/' + quote baseCurrency = self.safe_value(currenciesById, baseId, {}) quoteCurrency = self.safe_value(currenciesById, quoteId, {}) pricePrecision = self.safe_integer(quoteCurrency, 'precision', 8) for j in range(0, len(pairs)): pair = pairs[j] if (pair['symbol1'] == baseId) and (pair['symbol2'] == quoteId): # we might need to account for `priceScale` here pricePrecision = self.safe_integer(pair, 'pricePrecision', pricePrecision) baseCcyPrecision = self.safe_integer(baseCurrency, 'precision', 8) baseCcyScale = self.safe_integer(baseCurrency, 'scale', 0) amountPrecision = baseCcyPrecision - baseCcyScale precision = { 'amount': amountPrecision, 'price': pricePrecision, } result.append({ 'id': id, 'info': market, 'symbol': symbol, 'base': base, 'quote': quote, 'baseId': baseId, 'quoteId': quoteId, 'precision': precision, 'limits': { 'amount': { 'min': self.safe_float(market, 'minLotSize'), 'max': self.safe_float(market, 'maxLotSize'), }, 'price': { 'min': self.safe_float(market, 'minPrice'), 'max': self.safe_float(market, 'maxPrice'), }, 'cost': { 'min': self.safe_float(market, 'minLotSizeS2'), 'max': None, }, }, 'active': None, }) return result async def fetch_balance(self, params={}): await self.load_markets() response = await self.privatePostBalance(params) result = {'info': response} ommited = ['username', 'timestamp'] balances = self.omit(response, ommited) currencyIds = list(balances.keys()) for i in range(0, len(currencyIds)): currencyId = currencyIds[i] balance = self.safe_value(balances, currencyId, {}) account = self.account() account['free'] = self.safe_float(balance, 'available') # https://github.com/ccxt/ccxt/issues/5484 account['used'] = self.safe_float(balance, 'orders', 0.0) code = self.safe_currency_code(currencyId) result[code] = account return self.parse_balance(result) async def fetch_order_book(self, symbol, limit=None, params={}): await self.load_markets() request = { 'pair': self.market_id(symbol), } if limit is not None: request['depth'] = limit response = await self.publicGetOrderBookPair(self.extend(request, params)) timestamp = self.safe_timestamp(response, 'timestamp') return self.parse_order_book(response, timestamp) def parse_ohlcv(self, ohlcv, market=None): # # [ # 1591403940, # 0.024972, # 0.024972, # 0.024969, # 0.024969, # 0.49999900 # ] # return [ self.safe_timestamp(ohlcv, 0), self.safe_float(ohlcv, 1), self.safe_float(ohlcv, 2), self.safe_float(ohlcv, 3), self.safe_float(ohlcv, 4), self.safe_float(ohlcv, 5), ] async def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=None, params={}): await self.load_markets() market = self.market(symbol) if since is None: since = self.milliseconds() - 86400000 # yesterday else: if self.options['fetchOHLCVWarning']: raise ExchangeError(self.id + " fetchOHLCV warning: CEX can return historical candles for a certain date only, self might produce an empty or None reply. Set exchange.options['fetchOHLCVWarning'] = False or add({'options': {'fetchOHLCVWarning': False}}) to constructor params to suppress self warning message.") ymd = self.ymd(since) ymd = ymd.split('-') ymd = ''.join(ymd) request = { 'pair': market['id'], 'yyyymmdd': ymd, } try: response = await self.publicGetOhlcvHdYyyymmddPair(self.extend(request, params)) # # { # "time":20200606, # "data1m":"[[1591403940,0.024972,0.024972,0.024969,0.024969,0.49999900]]", # } # key = 'data' + self.timeframes[timeframe] data = self.safe_string(response, key) ohlcvs = json.loads(data) return self.parse_ohlcvs(ohlcvs, market, timeframe, since, limit) except Exception as e: if isinstance(e, NullResponse): return [] def parse_ticker(self, ticker, market=None): timestamp = self.safe_timestamp(ticker, 'timestamp') volume = self.safe_float(ticker, 'volume') high = self.safe_float(ticker, 'high') low = self.safe_float(ticker, 'low') bid = self.safe_float(ticker, 'bid') ask = self.safe_float(ticker, 'ask') last = self.safe_float(ticker, 'last') symbol = None if market: symbol = market['symbol'] return { 'symbol': symbol, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'high': high, 'low': low, 'bid': bid, 'bidVolume': None, 'ask': ask, 'askVolume': None, 'vwap': None, 'open': None, 'close': last, 'last': last, 'previousClose': None, 'change': None, 'percentage': None, 'average': None, 'baseVolume': volume, 'quoteVolume': None, 'info': ticker, } async def fetch_tickers(self, symbols=None, params={}): await self.load_markets() currencies = list(self.currencies.keys()) request = { 'currencies': '/'.join(currencies), } response = await self.publicGetTickersCurrencies(self.extend(request, params)) tickers = response['data'] result = {} for t in range(0, len(tickers)): ticker = tickers[t] symbol = ticker['pair'].replace(':', '/') market = self.markets[symbol] result[symbol] = self.parse_ticker(ticker, market) return self.filter_by_array(result, 'symbol', symbols) async def fetch_ticker(self, symbol, params={}): await self.load_markets() market = self.market(symbol) request = { 'pair': market['id'], } ticker = await self.publicGetTickerPair(self.extend(request, params)) return self.parse_ticker(ticker, market) def parse_trade(self, trade, market=None): timestamp = self.safe_timestamp(trade, 'date') id = self.safe_string(trade, 'tid') type = None side = self.safe_string(trade, 'type') 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 = amount * price symbol = None if market is not None: symbol = market['symbol'] return { 'info': trade, 'id': id, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'symbol': symbol, 'type': type, 'side': side, 'order': None, 'takerOrMaker': None, 'price': price, 'amount': amount, 'cost': cost, 'fee': None, } async def fetch_trades(self, symbol, since=None, limit=None, params={}): await self.load_markets() market = self.market(symbol) request = { 'pair': market['id'], } response = await self.publicGetTradeHistoryPair(self.extend(request, params)) return self.parse_trades(response, market, since, limit) async def create_order(self, symbol, type, side, amount, price=None, params={}): # for market buy it requires the amount of quote currency to spend if (type == 'market') and (side == 'buy'): if self.options['createMarketBuyOrderRequiresPrice']: if price is None: raise InvalidOrder(self.id + " createOrder() requires the price argument with market buy orders to calculate total order cost(amount to spend), where cost = amount * price. Supply a price argument to createOrder() call if you want the cost to be calculated for you from price and amount, or, alternatively, add .options['createMarketBuyOrderRequiresPrice'] = False to supply the cost in the amount argument(the exchange-specific behaviour)") else: amount = amount * price await self.load_markets() request = { 'pair': self.market_id(symbol), 'type': side, 'amount': amount, } if type == 'limit': request['price'] = price else: request['order_type'] = type response = await self.privatePostPlaceOrderPair(self.extend(request, params)) # # { # "id": "12978363524", # "time": 1586610022259, # "type": "buy", # "price": "0.033934", # "amount": "0.10722802", # "pending": "0.10722802", # "complete": False # } # placedAmount = self.safe_float(response, 'amount') remaining = self.safe_float(response, 'pending') timestamp = self.safe_value(response, 'time') complete = self.safe_value(response, 'complete') status = 'closed' if complete else 'open' filled = None if (placedAmount is not None) and (remaining is not None): filled = max(placedAmount - remaining, 0) return { 'id': self.safe_string(response, 'id'), 'info': response, 'clientOrderId': None, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'lastTradeTimestamp': None, 'type': type, 'side': self.safe_string(response, 'type'), 'symbol': symbol, 'status': status, 'price': self.safe_float(response, 'price'), 'amount': placedAmount, 'cost': None, 'average': None, 'remaining': remaining, 'filled': filled, 'fee': None, 'trades': None, } async def cancel_order(self, id, symbol=None, params={}): await self.load_markets() request = { 'id': id, } return await self.privatePostCancelOrder(self.extend(request, params)) def parse_order(self, order, market=None): # Depending on the call, 'time' can be a unix int, unix string or ISO string # Yes, really timestamp = self.safe_value(order, 'time') if isinstance(timestamp, basestring) and timestamp.find('T') >= 0: # ISO8601 string timestamp = self.parse8601(timestamp) else: # either integer or string integer timestamp = int(timestamp) symbol = None if market is None: baseId = self.safe_string(order, 'symbol1') quoteId = self.safe_string(order, 'symbol2') base = self.safe_currency_code(baseId) quote = self.safe_currency_code(quoteId) symbol = base + '/' + quote if symbol in self.markets: market = self.market(symbol) status = self.parse_order_status(self.safe_string(order, 'status')) price = self.safe_float(order, 'price') amount = self.safe_float(order, 'amount') # sell orders can have a negative amount # https://github.com/ccxt/ccxt/issues/5338 if amount is not None: amount = abs(amount) remaining = self.safe_float_2(order, 'pending', 'remains') filled = amount - remaining fee = None cost = None if market is not None: symbol = market['symbol'] taCost = self.safe_float(order, 'ta:' + market['quote']) ttaCost = self.safe_float(order, 'tta:' + market['quote']) cost = self.sum(taCost, ttaCost) baseFee = 'fa:' + market['base'] baseTakerFee = 'tfa:' + market['base'] quoteFee = 'fa:' + market['quote'] quoteTakerFee = 'tfa:' + market['quote'] feeRate = self.safe_float(order, 'tradingFeeMaker') if not feeRate: feeRate = self.safe_float(order, 'tradingFeeTaker', feeRate) if feeRate: feeRate /= 100.0 # convert to mathematically-correct percentage coefficients: 1.0 = 100% if (baseFee in order) or (baseTakerFee in order): baseFeeCost = self.safe_float_2(order, baseFee, baseTakerFee) fee = { 'currency': market['base'], 'rate': feeRate, 'cost': baseFeeCost, } elif (quoteFee in order) or (quoteTakerFee in order): quoteFeeCost = self.safe_float_2(order, quoteFee, quoteTakerFee) fee = { 'currency': market['quote'], 'rate': feeRate, 'cost': quoteFeeCost, } if not cost: cost = price * filled side = order['type'] trades = None orderId = order['id'] if 'vtx' in order: trades = [] for i in range(0, len(order['vtx'])): item = order['vtx'][i] tradeSide = self.safe_string(item, 'type') if tradeSide == 'cancel': # looks like self might represent the cancelled part of an order # {id: '4426729543', # type: 'cancel', # time: '2017-09-22T00:24:30.476Z', # user: 'up106404164', # c: 'user:up106404164:a:BCH', # d: 'order:4426728375:a:BCH', # a: '0.09935956', # amount: '0.09935956', # balance: '0.42580261', # symbol: 'BCH', # order: '4426728375', # buy: null, # sell: null, # pair: null, # pos: null, # cs: '0.42580261', # ds: 0} continue tradePrice = self.safe_float(item, 'price') if tradePrice is None: # self represents the order # { # "a": "0.47000000", # "c": "user:up106404164:a:EUR", # "d": "order:6065499239:a:EUR", # "cs": "1432.93", # "ds": "476.72", # "id": "6065499249", # "buy": null, # "pos": null, # "pair": null, # "sell": null, # "time": "2018-04-22T13:07:22.152Z", # "type": "buy", # "user": "up106404164", # "order": "6065499239", # "amount": "-715.97000000", # "symbol": "EUR", # "balance": "1432.93000000"} continue # todo: deal with these if tradeSide == 'costsNothing': continue # -- # if side != tradeSide: # raise Error(json.dumps(order, null, 2)) # if orderId != item['order']: # raise Error(json.dumps(order, null, 2)) # -- # partial buy trade # { # "a": "0.01589885", # "c": "user:up106404164:a:BTC", # "d": "order:6065499239:a:BTC", # "cs": "0.36300000", # "ds": 0, # "id": "6067991213", # "buy": "6065499239", # "pos": null, # "pair": null, # "sell": "6067991206", # "time": "2018-04-22T23:09:11.773Z", # "type": "buy", # "user": "up106404164", # "order": "6065499239", # "price": 7146.5, # "amount": "0.01589885", # "symbol": "BTC", # "balance": "0.36300000", # "symbol2": "EUR", # "fee_amount": "0.19"} # -- # trade with zero amount, but non-zero fee # { # "a": "0.00000000", # "c": "user:up106404164:a:EUR", # "d": "order:5840654423:a:EUR", # "cs": 559744, # "ds": 0, # "id": "5840654429", # "buy": "5807238573", # "pos": null, # "pair": null, # "sell": "5840654423", # "time": "2018-03-15T03:20:14.010Z", # "type": "sell", # "user": "up106404164", # "order": "5840654423", # "price": 730, # "amount": "0.00000000", # "symbol": "EUR", # "balance": "5597.44000000", # "symbol2": "BCH", # "fee_amount": "0.01"} # -- # trade which should have an amount of exactly 0.002BTC # { # "a": "16.70000000", # "c": "user:up106404164:a:GBP", # "d": "order:9927386681:a:GBP", # "cs": "86.90", # "ds": 0, # "id": "9927401610", # "buy": "9927401601", # "pos": null, # "pair": null, # "sell": "9927386681", # "time": "2019-08-21T15:25:37.777Z", # "type": "sell", # "user": "up106404164", # "order": "9927386681", # "price": 8365, # "amount": "16.70000000", # "office": "UK", # "symbol": "GBP", # "balance": "86.90000000", # "symbol2": "BTC", # "fee_amount": "0.03" # } tradeTimestamp = self.parse8601(self.safe_string(item, 'time')) tradeAmount = self.safe_float(item, 'amount') feeCost = self.safe_float(item, 'fee_amount') absTradeAmount = -tradeAmount if (tradeAmount < 0) else tradeAmount tradeCost = None if tradeSide == 'sell': tradeCost = absTradeAmount absTradeAmount = self.sum(feeCost, tradeCost) / tradePrice else: tradeCost = absTradeAmount * tradePrice trades.append({ 'id': self.safe_string(item, 'id'), 'timestamp': tradeTimestamp, 'datetime': self.iso8601(tradeTimestamp), 'order': orderId, 'symbol': symbol, 'price': tradePrice, 'amount': absTradeAmount, 'cost': tradeCost, 'side': tradeSide, 'fee': { 'cost': feeCost, 'currency': market['quote'], }, 'info': item, 'type': None, 'takerOrMaker': None, }) return { 'id': orderId, 'clientOrderId': None, 'datetime': self.iso8601(timestamp), 'timestamp': timestamp, 'lastTradeTimestamp': None, 'status': status, 'symbol': symbol, 'type': 'market' if (price is None) else 'limit', 'timeInForce': None, 'postOnly': None, 'side': side, 'price': price, 'stopPrice': None, 'cost': cost, 'amount': amount, 'filled': filled, 'remaining': remaining, 'trades': trades, 'fee': fee, 'info': order, 'average': None, } async def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}): await self.load_markets() request = {} method = 'privatePostOpenOrders' market = None if symbol is not None: market = self.market(symbol) request['pair'] = market['id'] method += 'Pair' orders = await getattr(self, method)(self.extend(request, params)) for i in range(0, len(orders)): orders[i] = self.extend(orders[i], {'status': 'open'}) return self.parse_orders(orders, market, since, limit) async def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}): await self.load_markets() method = 'privatePostArchivedOrdersPair' if symbol is None: raise ArgumentsRequired(self.id + ' fetchClosedOrders() requires a symbol argument') market = self.market(symbol) request = {'pair': market['id']} response = await getattr(self, method)(self.extend(request, params)) return self.parse_orders(response, market, since, limit) async def fetch_order(self, id, symbol=None, params={}): await self.load_markets() request = { 'id': str(id), } response = await self.privatePostGetOrderTx(self.extend(request, params)) data = self.safe_value(response, 'data', {}) # # { # "id": "5442731603", # "type": "sell", # "time": 1516132358071, # "lastTxTime": 1516132378452, # "lastTx": "5442734452", # "pos": null, # "user": "up106404164", # "status": "d", # "symbol1": "ETH", # "symbol2": "EUR", # "amount": "0.50000000", # "kind": "api", # "price": "923.3386", # "tfacf": "1", # "fa:EUR": "0.55", # "ta:EUR": "369.77", # "remains": "0.00000000", # "tfa:EUR": "0.22", # "tta:EUR": "91.95", # "a:ETH:cds": "0.50000000", # "a:EUR:cds": "461.72", # "f:EUR:cds": "0.77", # "tradingFeeMaker": "0.15", # "tradingFeeTaker": "0.23", # "tradingFeeStrategy": "userVolumeAmount", # "tradingFeeUserVolumeAmount": "2896912572", # "orderId": "5442731603", # "next": False, # "vtx": [ # { # "id": "5442734452", # "type": "sell", # "time": "2018-01-16T19:52:58.452Z", # "user": "up106404164", # "c": "user:up106404164:a:EUR", # "d": "order:5442731603:a:EUR", # "a": "104.53000000", # "amount": "104.53000000", # "balance": "932.71000000", # "symbol": "EUR", # "order": "5442731603", # "buy": "5442734443", # "sell": "5442731603", # "pair": null, # "pos": null, # "office": null, # "cs": "932.71", # "ds": 0, # "price": 923.3386, # "symbol2": "ETH", # "fee_amount": "0.16" # }, # { # "id": "5442731609", # "type": "sell", # "time": "2018-01-16T19:52:38.071Z", # "user": "up106404164", # "c": "user:up106404164:a:EUR", # "d": "order:5442731603:a:EUR", # "a": "91.73000000", # "amount": "91.73000000", # "balance": "563.49000000", # "symbol": "EUR", # "order": "5442731603", # "buy": "5442618127", # "sell": "5442731603", # "pair": null, # "pos": null, # "office": null, # "cs": "563.49", # "ds": 0, # "price": 924.0092, # "symbol2": "ETH", # "fee_amount": "0.22" # }, # { # "id": "5442731604", # "type": "sell", # "time": "2018-01-16T19:52:38.071Z", # "user": "up106404164", # "c": "order:5442731603:a:ETH", # "d": "user:up106404164:a:ETH", # "a": "0.50000000", # "amount": "-0.50000000", # "balance": "15.80995000", # "symbol": "ETH", # "order": "5442731603", # "buy": null, # "sell": null, # "pair": null, # "pos": null, # "office": null, # "cs": "0.50000000", # "ds": "15.80995000" # } # ] # } # return self.parse_order(data) async def fetch_orders(self, symbol=None, since=None, limit=None, params={}): await self.load_markets() market = self.market(symbol) request = { 'limit': limit, 'pair': market['id'], 'dateFrom': since, } response = await self.privatePostArchivedOrdersPair(self.extend(request, params)) results = [] for i in range(0, len(response)): # cancelled(unfilled): # {id: '4005785516', # type: 'sell', # time: '2017-07-18T19:08:34.223Z', # lastTxTime: '2017-07-18T19:08:34.396Z', # lastTx: '4005785522', # pos: null, # status: 'c', # symbol1: 'ETH', # symbol2: 'GBP', # amount: '0.20000000', # price: '200.5625', # remains: '0.20000000', # 'a:ETH:cds': '0.20000000', # tradingFeeMaker: '0', # tradingFeeTaker: '0.16', # tradingFeeUserVolumeAmount: '10155061217', # orderId: '4005785516'} # -- # cancelled(partially filled buy): # {id: '4084911657', # type: 'buy', # time: '2017-08-05T03:18:39.596Z', # lastTxTime: '2019-03-19T17:37:46.404Z', # lastTx: '8459265833', # pos: null, # status: 'cd', # symbol1: 'BTC', # symbol2: 'GBP', # amount: '0.05000000', # price: '2241.4692', # tfacf: '1', # remains: '0.03910535', # 'tfa:GBP': '0.04', # 'tta:GBP': '24.39', # 'a:BTC:cds': '0.01089465', # 'a:GBP:cds': '112.26', # 'f:GBP:cds': '0.04', # tradingFeeMaker: '0', # tradingFeeTaker: '0.16', # tradingFeeUserVolumeAmount: '13336396963', # orderId: '4084911657'} # -- # cancelled(partially filled sell): # {id: '4426728375', # type: 'sell', # time: '2017-09-22T00:24:20.126Z', # lastTxTime: '2017-09-22T00:24:30.476Z', # lastTx: '4426729543', # pos: null, # status: 'cd', # symbol1: 'BCH', # symbol2: 'BTC', # amount: '0.10000000', # price: '0.11757182', # tfacf: '1', # remains: '0.09935956', # 'tfa:BTC': '0.00000014', # 'tta:BTC': '0.00007537', # 'a:BCH:cds': '0.10000000', # 'a:BTC:cds': '0.00007537', # 'f:BTC:cds': '0.00000014', # tradingFeeMaker: '0', # tradingFeeTaker: '0.18', # tradingFeeUserVolumeAmount: '3466715450', # orderId: '4426728375'} # -- # filled: # {id: '5342275378', # type: 'sell', # time: '2018-01-04T00:28:12.992Z', # lastTxTime: '2018-01-04T00:28:12.992Z', # lastTx: '5342275393', # pos: null, # status: 'd', # symbol1: 'BCH', # symbol2: 'BTC', # amount: '0.10000000', # kind: 'api', # price: '0.17', # remains: '0.00000000', # 'tfa:BTC': '0.00003902', # 'tta:BTC': '0.01699999', # 'a:BCH:cds': '0.10000000', # 'a:BTC:cds': '0.01699999', # 'f:BTC:cds': '0.00003902', # tradingFeeMaker: '0.15', # tradingFeeTaker: '0.23', # tradingFeeUserVolumeAmount: '1525951128', # orderId: '5342275378'} # -- # market order(buy): # {"id": "6281946200", # "pos": null, # "time": "2018-05-23T11:55:43.467Z", # "type": "buy", # "amount": "0.00000000", # "lastTx": "6281946210", # "status": "d", # "amount2": "20.00", # "orderId": "6281946200", # "remains": "0.00000000", # "symbol1": "ETH", # "symbol2": "EUR", # "tfa:EUR": "0.05", # "tta:EUR": "19.94", # "a:ETH:cds": "0.03764100", # "a:EUR:cds": "20.00", # "f:EUR:cds": "0.05", # "lastTxTime": "2018-05-23T11:55:43.467Z", # "tradingFeeTaker": "0.25", # "tradingFeeUserVolumeAmount": "55998097"} # -- # market order(sell): # {"id": "6282200948", # "pos": null, # "time": "2018-05-23T12:42:58.315Z", # "type": "sell", # "amount": "-0.05000000", # "lastTx": "6282200958", # "status": "d", # "orderId": "6282200948", # "remains": "0.00000000", # "symbol1": "ETH", # "symbol2": "EUR", # "tfa:EUR": "0.07", # "tta:EUR": "26.49", # "a:ETH:cds": "0.05000000", # "a:EUR:cds": "26.49", # "f:EUR:cds": "0.07", # "lastTxTime": "2018-05-23T12:42:58.315Z", # "tradingFeeTaker": "0.25", # "tradingFeeUserVolumeAmount": "56294576"} order = response[i] status = self.parse_order_status(self.safe_string(order, 'status')) baseId = self.safe_string(order, 'symbol1') quoteId = self.safe_string(order, 'symbol2') base = self.safe_currency_code(baseId) quote = self.safe_currency_code(quoteId) symbol = base + '/' + quote side = self.safe_string(order, 'type') baseAmount = self.safe_float(order, 'a:' + baseId + ':cds') quoteAmount = self.safe_float(order, 'a:' + quoteId + ':cds') fee = self.safe_float(order, 'f:' + quoteId + ':cds') amount = self.safe_float(order, 'amount') price = self.safe_float(order, 'price') remaining = self.safe_float(order, 'remains') filled = amount - remaining orderAmount = None cost = None average = None type = None if not price: type = 'market' orderAmount = baseAmount cost = quoteAmount average = orderAmount / cost else: ta = self.safe_float(order, 'ta:' + quoteId, 0) tta = self.safe_float(order, 'tta:' + quoteId, 0) fa = self.safe_float(order, 'fa:' + quoteId, 0) tfa = self.safe_float(order, 'tfa:' + quoteId, 0) if side == 'sell': cost = self.sum(self.sum(ta, tta), self.sum(fa, tfa)) else: cost = self.sum(ta, tta) - self.sum(fa, tfa) type = 'limit' orderAmount = amount average = cost / filled time = self.safe_string(order, 'time') lastTxTime = self.safe_string(order, 'lastTxTime') timestamp = self.parse8601(time) results.append({ 'id': self.safe_string(order, 'id'), 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'lastUpdated': self.parse8601(lastTxTime), 'status': status, 'symbol': symbol, 'side': side, 'price': price, 'amount': orderAmount, 'average': average, 'type': type, 'filled': filled, 'cost': cost, 'remaining': remaining, 'fee': { 'cost': fee, 'currency': quote, }, 'info': order, }) return results def parse_order_status(self, status): return self.safe_string(self.options['order']['status'], status, status) async def edit_order(self, id, symbol, type, side, amount=None, price=None, params={}): if amount is None: raise ArgumentsRequired(self.id + ' editOrder() requires a amount argument') if price is None: raise ArgumentsRequired(self.id + ' editOrder() requires a price argument') await self.load_markets() market = self.market(symbol) # see: https://cex.io/rest-api#/definitions/CancelReplaceOrderRequest request = { 'pair': market['id'], 'type': side, 'amount': amount, 'price': price, 'order_id': id, } response = await self.privatePostCancelReplaceOrderPair(self.extend(request, params)) return self.parse_order(response, market) async def fetch_deposit_address(self, code, params={}): if code == 'XRP' or code == 'XLM': # https://github.com/ccxt/ccxt/pull/2327#issuecomment-375204856 raise NotSupported(self.id + ' fetchDepositAddress does not support XRP and XLM addresses yet(awaiting docs from CEX.io)') await self.load_markets() currency = self.currency(code) request = { 'currency': currency['id'], } response = await self.privatePostGetAddress(self.extend(request, params)) address = self.safe_string(response, 'data') self.check_address(address) return { 'currency': code, 'address': address, 'tag': None, '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'] + '/' + 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 = str(self.nonce()) auth = nonce + self.uid + self.apiKey signature = self.hmac(self.encode(auth), self.encode(self.secret)) body = self.json(self.extend({ 'key': self.apiKey, 'signature': signature.upper(), 'nonce': nonce, }, query)) headers = { 'Content-Type': 'application/json', } return {'url': url, 'method': method, 'body': body, 'headers': headers} def handle_errors(self, code, reason, url, method, headers, body, response, requestHeaders, requestBody): if isinstance(response, list): return response # public endpoints may return []-arrays if body == 'true': return if response is None: raise NullResponse(self.id + ' returned ' + self.json(response)) if 'e' in response: if 'ok' in response: if response['ok'] == 'ok': return if 'error' in response: message = self.safe_string(response, 'error') feedback = self.id + ' ' + body self.throw_exactly_matched_exception(self.exceptions['exact'], message, feedback) self.throw_broadly_matched_exception(self.exceptions['broad'], message, feedback) raise ExchangeError(feedback)