# -*- 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 from ccxt.abstract.blockchaincom import ImplicitAPI from ccxt.base.types import Any, Balances, Currency, DepositAddress, Int, Market, Num, Order, OrderBook, OrderSide, OrderType, Str, Strings, Ticker, Tickers, Trade, TradingFees, Transaction from typing import List 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 OrderNotFound from ccxt.base.decimal_to_precision import TICK_SIZE from ccxt.base.precise import Precise class blockchaincom(Exchange, ImplicitAPI): def describe(self) -> Any: return self.deep_extend(super(blockchaincom, self).describe(), { 'id': 'blockchaincom', 'secret': None, 'name': 'Blockchain.com', 'countries': ['LX'], 'rateLimit': 500, # prev 1000 'version': 'v3', 'pro': True, 'has': { 'CORS': False, 'spot': True, 'margin': None, # on exchange but not implemented in CCXT 'swap': False, 'future': False, 'option': False, 'cancelAllOrders': True, 'cancelOrder': True, 'createOrder': True, 'createStopLimitOrder': True, 'createStopMarketOrder': True, 'createStopOrder': True, 'fetchBalance': True, 'fetchCanceledOrders': True, 'fetchClosedOrders': True, 'fetchDeposit': True, 'fetchDepositAddress': True, 'fetchDepositAddresses': False, 'fetchDepositAddressesByNetwork': False, 'fetchDeposits': True, 'fetchFundingHistory': False, 'fetchFundingRate': False, 'fetchFundingRateHistory': False, 'fetchFundingRates': False, 'fetchIndexOHLCV': False, 'fetchL2OrderBook': True, 'fetchL3OrderBook': True, 'fetchLedger': False, 'fetchMarginMode': False, 'fetchMarkets': True, 'fetchMarkOHLCV': False, 'fetchMyTrades': True, 'fetchOHLCV': False, 'fetchOpenInterestHistory': False, 'fetchOpenOrders': True, 'fetchOrder': True, 'fetchOrderBook': True, 'fetchPositionMode': False, 'fetchPremiumIndexOHLCV': False, 'fetchTicker': True, 'fetchTickers': True, 'fetchTrades': False, 'fetchTradingFee': False, 'fetchTradingFees': True, 'fetchTransfer': False, 'fetchTransfers': False, 'fetchWithdrawal': True, 'fetchWithdrawals': True, 'fetchWithdrawalWhitelist': True, # fetches exchange specific benficiary-ids needed for withdrawals 'transfer': False, 'withdraw': True, }, 'timeframes': None, 'urls': { 'logo': 'https://github.com/user-attachments/assets/975e3054-3399-4363-bcee-ec3c6d63d4e8', 'test': { 'public': 'https://testnet-api.delta.exchange', 'private': 'https://testnet-api.delta.exchange', }, 'api': { 'public': 'https://api.blockchain.com/v3/exchange', 'private': 'https://api.blockchain.com/v3/exchange', }, 'www': 'https://blockchain.com', 'doc': [ 'https://api.blockchain.com/v3', ], 'fees': 'https://exchange.blockchain.com/fees', }, 'api': { 'public': { 'get': { 'tickers': 1, # fetchTickers 'tickers/{symbol}': 1, # fetchTicker 'symbols': 1, # fetchMarkets 'symbols/{symbol}': 1, # fetchMarket 'l2/{symbol}': 1, # fetchL2OrderBook 'l3/{symbol}': 1, # fetchL3OrderBook }, }, 'private': { 'get': { 'fees': 1, # fetchFees 'orders': 1, # fetchOpenOrders, fetchClosedOrders 'orders/{orderId}': 1, # fetchOrder(id) 'trades': 1, 'fills': 1, # fetchMyTrades 'deposits': 1, # fetchDeposits 'deposits/{depositId}': 1, # fetchDeposit 'accounts': 1, # fetchBalance 'accounts/{account}/{currency}': 1, 'whitelist': 1, # fetchWithdrawalWhitelist 'whitelist/{currency}': 1, # fetchWithdrawalWhitelistByCurrency 'withdrawals': 1, # fetchWithdrawalWhitelist 'withdrawals/{withdrawalId}': 1, # fetchWithdrawalById }, 'post': { 'orders': 1, # createOrder 'deposits/{currency}': 1, # fetchDepositAddress by currency(only crypto supported) 'withdrawals': 1, # withdraw }, 'delete': { 'orders': 1, # cancelOrders 'orders/{orderId}': 1, # cancelOrder }, }, }, 'fees': { 'trading': { 'feeSide': 'get', 'tierBased': True, 'percentage': True, 'tiers': { 'taker': [ [self.parse_number('0'), self.parse_number('0.0045')], [self.parse_number('10000'), self.parse_number('0.0035')], [self.parse_number('50000'), self.parse_number('0.0018')], [self.parse_number('100000'), self.parse_number('0.0018')], [self.parse_number('500000'), self.parse_number('0.0018')], [self.parse_number('1000000'), self.parse_number('0.0018')], [self.parse_number('2500000'), self.parse_number('0.0018')], [self.parse_number('5000000'), self.parse_number('0.0016')], [self.parse_number('25000000'), self.parse_number('0.0014')], [self.parse_number('100000000'), self.parse_number('0.0011')], [self.parse_number('500000000'), self.parse_number('0.0008')], [self.parse_number('1000000000'), self.parse_number('0.0006')], ], 'maker': [ [self.parse_number('0'), self.parse_number('0.004')], [self.parse_number('10000'), self.parse_number('0.0017')], [self.parse_number('50000'), self.parse_number('0.0015')], [self.parse_number('100000'), self.parse_number('0.0008')], [self.parse_number('500000'), self.parse_number('0.0007')], [self.parse_number('1000000'), self.parse_number('0.0006')], [self.parse_number('2500000'), self.parse_number('0.0005')], [self.parse_number('5000000'), self.parse_number('0.0004')], [self.parse_number('25000000'), self.parse_number('0.0003')], [self.parse_number('100000000'), self.parse_number('0.0002')], [self.parse_number('500000000'), self.parse_number('0.0001')], [self.parse_number('1000000000'), self.parse_number('0')], ], }, }, }, 'requiredCredentials': { 'apiKey': False, 'secret': True, }, 'options': { 'networks': { 'ERC20': 'ETH', 'TRC20': 'TRX', 'ALGO': 'ALGO', 'ADA': 'ADA', 'AR': 'AR', 'ATOM': 'ATOM', 'AVAXC': 'AVAX', 'BCH': 'BCH', 'BSV': 'BSV', 'BTC': 'BTC', # 'BEP20': 'BNB', # todo 'DCR': 'DCR', 'DESO': 'DESO', 'DASH': 'DASH', 'CELO': 'CELO', 'CHZ': 'CHZ', 'MATIC': 'MATIC', 'SOL': 'SOL', 'DOGE': 'DOGE', 'DOT': 'DOT', 'EOS': 'EOS', 'ETC': 'ETC', 'FIL': 'FIL', 'KAVA': 'KAVA', 'LTC': 'LTC', 'IOTA': 'MIOTA', 'NEAR': 'NEAR', 'STX': 'STX', 'XLM': 'XLM', 'XMR': 'XMR', 'XRP': 'XRP', 'XTZ': 'XTZ', 'ZEC': 'ZEC', 'ZIL': 'ZIL', # 'THETA': 'THETA', # todo: possible TFUEL THETA FUEL is also same, but API might have a mistake # todo: uncomment below after consensus # 'MOBILECOIN': 'MOB', # 'KIN': 'KIN', # 'DIGITALGOLD': 'DGLD', }, }, 'features': { 'spot': { 'sandbox': False, 'createOrder': { 'marginMode': False, 'triggerPrice': True, 'triggerPriceType': None, 'triggerDirection': False, 'stopLossPrice': False, # todo 'takeProfitPrice': False, # todo 'attachedStopLossTakeProfit': None, 'timeInForce': { 'IOC': True, 'FOK': True, 'PO': False, 'GTD': True, # todo implementation }, 'hedged': False, 'leverage': False, 'marketBuyRequiresPrice': False, 'marketBuyByCost': False, 'selfTradePrevention': False, 'trailing': False, 'iceberg': False, }, 'createOrders': None, 'fetchMyTrades': { 'marginMode': False, 'limit': 1000, 'daysBack': 100000, # todo implementation 'untilDays': 100000, # todo implementation 'symbolRequired': False, }, 'fetchOrder': { 'marginMode': False, 'trigger': False, 'symbolRequired': False, 'trailing': False, }, 'fetchOpenOrders': { 'marginMode': False, 'limit': 1000, 'trigger': False, 'trailing': False, 'symbolRequired': False, }, 'fetchOrders': None, # todo implement 'fetchClosedOrders': { 'marginMode': False, 'limit': 1000, 'daysBack': 100000, 'daysBackCanceled': 1, 'untilDays': 100000, 'trigger': False, 'trailing': False, 'symbolRequired': False, }, 'fetchOHLCV': None, # todo webapi }, 'swap': { 'linear': None, 'inverse': None, }, 'future': { 'linear': None, 'inverse': None, }, }, 'precisionMode': TICK_SIZE, 'exceptions': { 'exact': { '401': AuthenticationError, '404': OrderNotFound, }, 'broad': {}, }, }) def fetch_markets(self, params={}) -> List[Market]: """ retrieves data on all markets for blockchaincom https://api.blockchain.com/v3/#getsymbols :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict[]: an array of objects representing market data """ # # "USDC-GBP": { # "base_currency": "USDC", # "base_currency_scale": 6, # "counter_currency": "GBP", # "counter_currency_scale": 2, # "min_price_increment": 10000, # "min_price_increment_scale": 8, # "min_order_size": 500000000, # "min_order_size_scale": 8, # "max_order_size": 0, # "max_order_size_scale": 8, # "lot_size": 10000, # "lot_size_scale": 8, # "status": "open", # "id": 68, # "auction_price": 0, # "auction_size": 0, # "auction_time": "", # "imbalance": 0 # } # markets = self.publicGetSymbols(params) marketIds = list(markets.keys()) result = [] for i in range(0, len(marketIds)): marketId = marketIds[i] market = self.safe_value(markets, marketId) baseId = self.safe_string(market, 'base_currency') quoteId = self.safe_string(market, 'counter_currency') base = self.safe_currency_code(baseId) quote = self.safe_currency_code(quoteId) numericId = self.safe_number(market, 'id') active = None marketState = self.safe_string(market, 'status') if marketState == 'open': active = True else: active = False # price precision minPriceIncrementString = self.safe_string(market, 'min_price_increment') minPriceIncrementScaleString = self.safe_string(market, 'min_price_increment_scale') minPriceScalePrecisionString = self.parse_precision(minPriceIncrementScaleString) pricePrecisionString = Precise.string_mul(minPriceIncrementString, minPriceScalePrecisionString) # amount precision lotSizeString = self.safe_string(market, 'lot_size') lotSizeScaleString = self.safe_string(market, 'lot_size_scale') lotSizeScalePrecisionString = self.parse_precision(lotSizeScaleString) amountPrecisionString = Precise.string_mul(lotSizeString, lotSizeScalePrecisionString) # minimum order size minOrderSizeString = self.safe_string(market, 'min_order_size') minOrderSizeScaleString = self.safe_string(market, 'min_order_size_scale') minOrderSizeScalePrecisionString = self.parse_precision(minOrderSizeScaleString) minOrderSizePreciseString = Precise.string_mul(minOrderSizeString, minOrderSizeScalePrecisionString) minOrderSize = self.parse_number(minOrderSizePreciseString) # maximum order size maxOrderSize = None maxOrderSize = self.safe_string(market, 'max_order_size') if maxOrderSize != '0': maxOrderSizeScaleString = self.safe_string(market, 'max_order_size_scale') maxOrderSizeScalePrecisionString = self.parse_precision(maxOrderSizeScaleString) maxOrderSizeString = Precise.string_mul(maxOrderSize, maxOrderSizeScalePrecisionString) maxOrderSize = self.parse_number(maxOrderSizeString) else: maxOrderSize = None result.append({ 'info': market, 'id': marketId, 'numericId': numericId, 'symbol': base + '/' + quote, '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': active, 'contract': False, 'linear': None, 'inverse': None, 'contractSize': None, 'expiry': None, 'expiryDatetime': None, 'strike': None, 'optionType': None, 'precision': { 'amount': self.parse_number(amountPrecisionString), 'price': self.parse_number(pricePrecisionString), }, 'limits': { 'leverage': { 'min': None, 'max': None, }, 'amount': { 'min': minOrderSize, 'max': maxOrderSize, }, 'price': { 'min': None, 'max': None, }, 'cost': { 'min': None, 'max': None, }, }, 'created': None, }) return result def fetch_order_book(self, symbol: str, limit: Int = None, params={}) -> OrderBook: """ fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data https://api.blockchain.com/v3/#getl3orderbook :param str symbol: unified symbol of the market to fetch the order book for :param int [limit]: the maximum amount of order book entries to return :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: A dictionary of `order book structures ` indexed by market symbols """ return self.fetch_l3_order_book(symbol, limit, params) def fetch_l3_order_book(self, symbol: str, limit: Int = None, params={}): """ fetches level 3 information on open orders with bid(buy) and ask(sell) prices, volumes and other data https://api.blockchain.com/v3/#getl3orderbook :param str symbol: unified market symbol :param int [limit]: max number of orders to return, default is None :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: an `order book structure ` """ self.load_markets() market = self.market(symbol) request: dict = { 'symbol': market['id'], } if limit is not None: request['depth'] = limit response = self.publicGetL3Symbol(self.extend(request, params)) return self.parse_order_book(response, market['symbol'], None, 'bids', 'asks', 'px', 'qty') def fetch_l2_order_book(self, symbol: str, limit: Int = None, params={}): self.load_markets() market = self.market(symbol) request: dict = { 'symbol': market['id'], } if limit is not None: request['depth'] = limit response = self.publicGetL2Symbol(self.extend(request, params)) return self.parse_order_book(response, market['symbol'], None, 'bids', 'asks', 'px', 'qty') def parse_ticker(self, ticker: dict, market: Market = None) -> Ticker: # # { # "symbol": "BTC-USD", # "price_24h": 47791.86, # "volume_24h": 362.88635738, # "last_trade_price": 47587.75 # } # marketId = self.safe_string(ticker, 'symbol') symbol = self.safe_symbol(marketId, market, '-') last = self.safe_string(ticker, 'last_trade_price') baseVolume = self.safe_string(ticker, 'volume_24h') open = self.safe_string(ticker, 'price_24h') return self.safe_ticker({ 'symbol': symbol, 'timestamp': None, 'datetime': None, 'high': None, 'low': None, 'bid': None, 'bidVolume': None, 'ask': None, 'askVolume': None, 'vwap': None, 'open': open, 'close': None, 'last': last, 'previousClose': None, 'change': None, 'percentage': None, 'average': None, 'baseVolume': baseVolume, 'quoteVolume': None, 'info': ticker, }, market) def fetch_ticker(self, symbol: str, params={}) -> Ticker: """ fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market https://api.blockchain.com/v3/#gettickerbysymbol :param str symbol: unified symbol of the market to fetch the ticker for :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a `ticker structure ` """ self.load_markets() market = self.market(symbol) request: dict = { 'symbol': market['id'], } response = self.publicGetTickersSymbol(self.extend(request, params)) return self.parse_ticker(response, market) def fetch_tickers(self, symbols: Strings = None, params={}) -> Tickers: """ fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market https://api.blockchain.com/v3/#gettickers :param str[]|None symbols: unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a dictionary of `ticker structures ` """ self.load_markets() tickers = self.publicGetTickers(params) return self.parse_tickers(tickers, symbols) def parse_order_state(self, state): states: dict = { 'OPEN': 'open', 'REJECTED': 'rejected', 'FILLED': 'closed', 'CANCELED': 'canceled', 'PART_FILLED': 'open', 'EXPIRED': 'expired', } return self.safe_string(states, state, state) def parse_order(self, order: dict, market: Market = None) -> Order: # # { # "clOrdId": "00001", # "ordType": "MARKET", # "ordStatus": "FILLED", # "side": "BUY", # "symbol": "USDC-USDT", # "exOrdId": "281775861306290", # "price": null, # "text": "Fill", # "lastShares": "30.0", # "lastPx": "0.9999", # "leavesQty": "0.0", # "cumQty": "30.0", # "avgPx": "0.9999", # "timestamp": "1633940339619" # } # clientOrderId = self.safe_string(order, 'clOrdId') type = self.safe_string_lower(order, 'ordType') statusId = self.safe_string(order, 'ordStatus') state = self.parse_order_state(statusId) side = self.safe_string_lower(order, 'side') marketId = self.safe_string(order, 'symbol') symbol = self.safe_symbol(marketId, market, '-') exchangeOrderId = self.safe_string(order, 'exOrdId') price = self.safe_string(order, 'price') if (type != 'market') else None average = self.safe_number(order, 'avgPx') timestamp = self.safe_integer(order, 'timestamp') datetime = self.iso8601(timestamp) filled = self.safe_string(order, 'cumQty') remaining = self.safe_string(order, 'leavesQty') result = self.safe_order({ 'id': exchangeOrderId, 'clientOrderId': clientOrderId, 'datetime': datetime, 'timestamp': timestamp, 'lastTradeTimestamp': None, 'status': state, 'symbol': symbol, 'type': type, 'timeInForce': None, 'side': side, 'price': price, 'average': average, 'amount': None, 'filled': filled, 'remaining': remaining, 'cost': None, 'trades': [], 'fees': [], 'info': order, }) return result def create_order(self, symbol: str, type: OrderType, side: OrderSide, amount: float, price: Num = None, params={}): """ create a trade order https://api.blockchain.com/v3/#createorder :param str symbol: unified symbol of the market to create an order in :param str type: 'market' or 'limit' :param str side: 'buy' or 'sell' :param float amount: how much of currency you want to trade in units of base currency :param float [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: an `order structure ` """ self.load_markets() market = self.market(symbol) orderType = self.safe_string(params, 'ordType', type) uppercaseOrderType = orderType.upper() clientOrderId = self.safe_string_2(params, 'clientOrderId', 'clOrdId', self.uuid16()) params = self.omit(params, ['ordType', 'clientOrderId', 'clOrdId']) request: dict = { # 'stopPx' : limit price # 'timeInForce' : "GTC" for Good Till Cancel, "IOC" for Immediate or Cancel, "FOK" for Fill or Kill, "GTD" Good Till Date # 'expireDate' : expiry date in the format YYYYMMDD # 'minQty' : The minimum quantity required for an IOC fill 'ordType': uppercaseOrderType, 'symbol': market['id'], 'side': side.upper(), 'orderQty': self.amount_to_precision(symbol, amount), 'clOrdId': clientOrderId, } triggerPrice = self.safe_value_n(params, ['triggerPrice', 'stopPx', 'stopPrice']) params = self.omit(params, ['triggerPrice', 'stopPx', 'stopPrice']) if uppercaseOrderType == 'STOP' or uppercaseOrderType == 'STOPLIMIT': if triggerPrice is None: raise ArgumentsRequired(self.id + ' createOrder() requires a stopPx or triggerPrice param for a ' + uppercaseOrderType + ' order') if triggerPrice is not None: if uppercaseOrderType == 'MARKET': request['ordType'] = 'STOP' elif uppercaseOrderType == 'LIMIT': request['ordType'] = 'STOPLIMIT' priceRequired = False stopPriceRequired = False if request['ordType'] == 'LIMIT' or request['ordType'] == 'STOPLIMIT': priceRequired = True if request['ordType'] == 'STOP' or request['ordType'] == 'STOPLIMIT': stopPriceRequired = True if priceRequired: request['price'] = self.price_to_precision(symbol, price) if stopPriceRequired: request['stopPx'] = self.price_to_precision(symbol, triggerPrice) response = self.privatePostOrders(self.extend(request, params)) return self.parse_order(response, market) def cancel_order(self, id: str, symbol: Str = None, params={}): """ cancels an open order https://api.blockchain.com/v3/#deleteorder :param str id: order id :param str symbol: unified symbol of the market the order was made in :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: An `order structure ` """ request: dict = { 'orderId': id, } response = self.privateDeleteOrdersOrderId(self.extend(request, params)) return self.safe_order({ 'id': id, 'info': response, }) def cancel_all_orders(self, symbol: Str = None, params={}): """ cancel all open orders https://api.blockchain.com/v3/#deleteallorders :param str symbol: unified market symbol of the market to cancel orders in, all markets are used if None, default is None :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: an list of `order structures ` """ # cancels all open orders if no symbol specified # cancels all open orders of specified symbol, if symbol is specified self.load_markets() request: dict = { # 'symbol': marketId, } if symbol is not None: marketId = self.market_id(symbol) request['symbol'] = marketId response = self.privateDeleteOrders(self.extend(request, params)) # # {} # return [ self.safe_order({ 'info': response, }), ] def fetch_trading_fees(self, params={}) -> TradingFees: """ fetch the trading fees for multiple markets https://api.blockchain.com/v3/#getfees :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a dictionary of `fee structures ` indexed by market symbols """ self.load_markets() response = self.privateGetFees(params) # # { # "makerRate": "0.002", # "takerRate": "0.004", # "volumeInUSD": "0.0" # } # makerFee = self.safe_number(response, 'makerRate') takerFee = self.safe_number(response, 'takerRate') result: dict = {} for i in range(0, len(self.symbols)): symbol = self.symbols[i] result[symbol] = { 'info': response, 'symbol': symbol, 'maker': makerFee, 'taker': takerFee, } return result def fetch_canceled_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}): """ fetches information on multiple canceled orders made by the user https://api.blockchain.com/v3/#getorders :param str symbol: unified market symbol of the market orders were made in :param int [since]: timestamp in ms of the earliest order, default is None :param int [limit]: max number of orders to return, default is None :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a list of `order structures ` """ state = 'CANCELED' return self.fetch_orders_by_state(state, symbol, since, limit, params) def fetch_closed_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]: """ fetches information on multiple closed orders made by the user https://api.blockchain.com/v3/#getorders :param str symbol: unified market symbol of the market orders were made in :param int [since]: the earliest time in ms to fetch orders for :param int [limit]: the maximum number of order structures to retrieve :param dict [params]: extra parameters specific to the exchange API endpoint :returns Order[]: a list of `order structures ` """ state = 'FILLED' return self.fetch_orders_by_state(state, symbol, since, limit, params) def fetch_open_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]: """ fetch all unfilled currently open orders https://api.blockchain.com/v3/#getorders :param str symbol: unified market symbol :param int [since]: the earliest time in ms to fetch open orders for :param int [limit]: the maximum number of open orders structures to retrieve :param dict [params]: extra parameters specific to the exchange API endpoint :returns Order[]: a list of `order structures ` """ state = 'OPEN' return self.fetch_orders_by_state(state, symbol, since, limit, params) def fetch_orders_by_state(self, state, symbol: Str = None, since: Int = None, limit: Int = None, params={}): self.load_markets() request: dict = { # 'to': unix epoch ms # 'from': unix epoch ms 'status': state, 'limit': 100, } market = None if symbol is not None: market = self.market(symbol) request['symbol'] = market['id'] response = self.privateGetOrders(self.extend(request, params)) return self.parse_orders(response, market, since, limit) def parse_trade(self, trade: dict, market: Market = None) -> Trade: # # { # "exOrdId":281685751028507, # "tradeId":281685434947633, # "execId":8847494003, # "side":"BUY", # "symbol":"AAVE-USDT", # "price":405.34, # "qty":0.1, # "fee":0.162136, # "timestamp":1634559249687 # } # orderId = self.safe_string(trade, 'exOrdId') tradeId = self.safe_string(trade, 'tradeId') side = self.safe_string(trade, 'side').lower() marketId = self.safe_string(trade, 'symbol') priceString = self.safe_string(trade, 'price') amountString = self.safe_string(trade, 'qty') timestamp = self.safe_integer(trade, 'timestamp') datetime = self.iso8601(timestamp) market = self.safe_market(marketId, market, '-') symbol = market['symbol'] fee = None feeCostString = self.safe_string(trade, 'fee') if feeCostString is not None: feeCurrency = market['quote'] fee = {'cost': feeCostString, 'currency': feeCurrency} return self.safe_trade({ 'id': tradeId, 'timestamp': timestamp, 'datetime': datetime, 'symbol': symbol, 'order': orderId, 'type': None, 'side': side, 'takerOrMaker': None, 'price': priceString, 'amount': amountString, 'cost': None, 'fee': fee, 'info': trade, }, market) def fetch_my_trades(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}): """ fetch all trades made by the user https://api.blockchain.com/v3/#getfills :param str symbol: unified market symbol :param int [since]: the earliest time in ms to fetch trades for :param int [limit]: the maximum number of trades structures to retrieve :param dict [params]: extra parameters specific to the exchange API endpoint :returns Trade[]: a list of `trade structures ` """ self.load_markets() request: dict = {} if limit is not None: request['limit'] = limit market = None if symbol is not None: request['symbol'] = self.market_id(symbol) market = self.market(symbol) trades = self.privateGetFills(self.extend(request, params)) return self.parse_trades(trades, market, since, limit, params) # need to define def fetch_deposit_address(self, code: str, params={}) -> DepositAddress: """ fetch the deposit address for a currency associated with self account https://api.blockchain.com/v3/#getdepositaddress :param str code: unified currency code :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: an `address structure ` """ self.load_markets() currency = self.currency(code) request: dict = { 'currency': currency['id'], } response = self.privatePostDepositsCurrency(self.extend(request, params)) rawAddress = self.safe_string(response, 'address') tag = None address = None if rawAddress is not None: addressParts = rawAddress.split(';') # if a tag or memo is used it is separated by a colon in the 'address' value tag = self.safe_string(addressParts, 0) address = self.safe_string(addressParts, 1) return { 'info': response, 'currency': currency['code'], 'network': None, 'address': address, 'tag': tag, } def parse_transaction_state(self, state): states: dict = { 'COMPLETED': 'ok', # 'REJECTED': 'failed', 'PENDING': 'pending', 'FAILED': 'failed', 'REFUNDED': 'refunded', } return self.safe_string(states, state, state) def parse_transaction(self, transaction: dict, currency: Currency = None) -> Transaction: # # deposit # # { # "depositId":"748e9180-be0d-4a80-e175-0156150efc95", # "amount":0.009, # "currency":"ETH", # "address":"0xEC6B5929D454C8D9546d4221ace969E1810Fa92c", # "state":"COMPLETED", # "txHash":"582114562140e51a80b481c2dfebaf62b4ab9769b8ff54820bb67e34d4a3ab0c", # "timestamp":1633697196241 # } # # withdrawal # # { # "amount":30.0, # "currency":"USDT", # "beneficiary":"cab00d11-6e7f-46b7-b453-2e8ef6f101fa", # blockchain specific id # "withdrawalId":"99df5ef7-eab6-4033-be49-312930fbd1ea", # "fee":34.005078, # "state":"COMPLETED", # "timestamp":1634218452549 # } # type = None id = None amount = self.safe_number(transaction, 'amount') timestamp = self.safe_integer(transaction, 'timestamp') currencyId = self.safe_string(transaction, 'currency') code = self.safe_currency_code(currencyId, currency) state = self.safe_string(transaction, 'state') if 'depositId' in transaction: type = 'deposit' id = self.safe_string(transaction, 'depositId') elif 'withdrawalId' in transaction: type = 'withdrawal' id = self.safe_string(transaction, 'withdrawalId') feeCost = self.safe_number(transaction, 'fee') if (type == 'withdrawal') else None fee = None if feeCost is not None: fee = {'currency': code, 'cost': feeCost} address = self.safe_string(transaction, 'address') txid = self.safe_string(transaction, 'txhash') return { 'info': transaction, 'id': id, 'txid': txid, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'network': None, 'addressFrom': None, 'address': address, 'addressTo': address, 'tagFrom': None, 'tag': None, 'tagTo': None, 'type': type, 'amount': amount, 'currency': code, 'status': self.parse_transaction_state(state), # 'status': 'pending', # 'ok', 'failed', 'canceled', string 'updated': None, 'comment': None, 'internal': None, 'fee': fee, } def withdraw(self, code: str, amount: float, address: str, tag=None, params={}) -> Transaction: """ make a withdrawal https://api.blockchain.com/v3/#createwithdrawal :param str code: unified currency code :param float amount: the amount to withdraw :param str address: the address to withdraw to :param str tag: :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a `transaction structure ` """ self.load_markets() currency = self.currency(code) request: dict = { 'amount': amount, 'currency': currency['id'], 'beneficiary': address, 'sendMax': False, } response = self.privatePostWithdrawals(self.extend(request, params)) # # { # "amount": "30.0", # "currency": "USDT", # "beneficiary": "adcd43fb-9ba6-41f7-8c0d-7013482cb88f", # "withdrawalId": "99df5ef7-eab6-4033-be49-312930fbd1ea", # "fee": "34.005078", # "state": "PENDING", # "timestamp": "1634218452595" # }, # return self.parse_transaction(response, currency) def fetch_withdrawals(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Transaction]: """ fetch all withdrawals made from an account https://api.blockchain.com/v3/#getwithdrawals :param str code: unified currency code :param int [since]: the earliest time in ms to fetch withdrawals for :param int [limit]: the maximum number of withdrawals structures to retrieve :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict[]: a list of `transaction structures ` """ self.load_markets() request: dict = { # 'from' : integer timestamp in ms # 'to' : integer timestamp in ms } if since is not None: request['from'] = since currency = None if code is not None: currency = self.currency(code) response = self.privateGetWithdrawals(self.extend(request, params)) return self.parse_transactions(response, currency, since, limit) def fetch_withdrawal(self, id: str, code: Str = None, params={}): """ fetch data on a currency withdrawal via the withdrawal id https://api.blockchain.com/v3/#getwithdrawalbyid :param str id: withdrawal id :param str code: not used by blockchaincom.fetchWithdrawal :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a `transaction structure ` """ self.load_markets() request: dict = { 'withdrawalId': id, } response = self.privateGetWithdrawalsWithdrawalId(self.extend(request, params)) return self.parse_transaction(response) def fetch_deposits(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Transaction]: """ fetch all deposits made to an account https://api.blockchain.com/v3/#getdeposits :param str code: unified currency code :param int [since]: the earliest time in ms to fetch deposits for :param int [limit]: the maximum number of deposits structures to retrieve :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict[]: a list of `transaction structures ` """ self.load_markets() request: dict = { # 'from' : integer timestamp in ms # 'to' : integer timestap in ms } if since is not None: request['from'] = since currency = None if code is not None: currency = self.currency(code) response = self.privateGetDeposits(self.extend(request, params)) return self.parse_transactions(response, currency, since, limit) def fetch_deposit(self, id: str, code: Str = None, params={}): """ fetch information on a deposit https://api.blockchain.com/v3/#getdepositbyid :param str id: deposit id :param str code: not used by blockchaincom fetchDeposit() :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a `transaction structure ` """ self.load_markets() depositId = self.safe_string(params, 'depositId', id) request: dict = { 'depositId': depositId, } deposit = self.privateGetDepositsDepositId(self.extend(request, params)) return self.parse_transaction(deposit) def fetch_balance(self, params={}) -> Balances: """ query for balance and get the amount of funds available for trading or funds locked in orders https://api.blockchain.com/v3/#getaccounts :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: a `balance structure ` """ self.load_markets() accountName = self.safe_string(params, 'account', 'primary') params = self.omit(params, 'account') request: dict = { 'account': accountName, } response = self.privateGetAccounts(self.extend(request, params)) # # { # "primary": [ # { # "currency":"ETH", # "balance":0.009, # "available":0.009, # "balance_local":30.82869, # "available_local":30.82869, # "rate":3425.41 # }, # ... # ] # } # balances = self.safe_value(response, accountName) if balances is None: raise ExchangeError(self.id + ' fetchBalance() could not find the "' + accountName + '" account') result: dict = {'info': response} for i in range(0, len(balances)): entry = balances[i] currencyId = self.safe_string(entry, 'currency') code = self.safe_currency_code(currencyId) account = self.account() account['free'] = self.safe_string(entry, 'available') account['total'] = self.safe_string(entry, 'balance') result[code] = account return self.safe_balance(result) def fetch_order(self, id: str, symbol: Str = None, params={}): """ fetches information on an order made by the user https://api.blockchain.com/v3/#getorderbyid :param str id: the order id :param str symbol: not used by blockchaincom fetchOrder :param dict [params]: extra parameters specific to the exchange API endpoint :returns dict: An `order structure ` """ # note: only works with exchange-order-id # does not work with clientOrderId self.load_markets() request: dict = { 'orderId': id, } response = self.privateGetOrdersOrderId(self.extend(request, params)) # # { # "exOrdId": 11111111, # "clOrdId": "ABC", # "ordType": "MARKET", # "ordStatus": "FILLED", # "side": "BUY", # "price": 0.12345, # "text": "string", # "symbol": "BTC-USD", # "lastShares": 0.5678, # "lastPx": 3500.12, # "leavesQty": 10, # "cumQty": 0.123345, # "avgPx": 345.33, # "timestamp": 1592830770594 # } # return self.parse_order(response) def sign(self, path, api='public', method='GET', params={}, headers=None, body=None): requestPath = '/' + self.implode_params(path, params) url = self.urls['api'][api] + requestPath query = self.omit(params, self.extract_params(path)) if api == 'public': if query: url += '?' + self.urlencode(query) elif api == 'private': self.check_required_credentials() headers = { 'X-API-Token': self.secret, } if (method == 'GET'): if query: url += '?' + self.urlencode(query) else: body = self.json(query) headers['Content-Type'] = 'application/json' return {'url': url, 'method': method, 'body': body, 'headers': headers} def handle_errors(self, code: int, reason: str, url: str, method: str, headers: dict, body: str, response, requestHeaders, requestBody): # {"timestamp":"2021-10-21T15:13:58.837+00:00","status":404,"error":"Not Found","message":"","path":"/orders/505050" if response is None: return None text = self.safe_string(response, 'text') if text is not None: # if trade currency account is empty returns 200 with rejected order if text == 'Insufficient Balance': raise InsufficientFunds(self.id + ' ' + body) errorCode = self.safe_string(response, 'status') errorMessage = self.safe_string(response, 'error') if code is not None: feedback = self.id + ' ' + self.json(response) self.throw_exactly_matched_exception(self.exceptions['exact'], errorCode, feedback) self.throw_broadly_matched_exception(self.exceptions['broad'], errorMessage, feedback) return None