# -*- 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.bitfinex import bitfinex
import hashlib
import math
from ccxt.base.errors import ExchangeError
from ccxt.base.errors import AuthenticationError
from ccxt.base.errors import ArgumentsRequired
from ccxt.base.errors import BadRequest
from ccxt.base.errors import BadSymbol
from ccxt.base.errors import InsufficientFunds
from ccxt.base.errors import InvalidAddress
from ccxt.base.errors import InvalidOrder
from ccxt.base.errors import OrderNotFound
from ccxt.base.errors import OnMaintenance
from ccxt.base.errors import InvalidNonce


class bitfinex2(bitfinex):

    def describe(self):
        return self.deep_extend(super(bitfinex2, self).describe(), {
            'id': 'bitfinex2',
            'name': 'Bitfinex',
            'countries': ['VG'],
            'version': 'v2',
            'certified': False,
            'pro': False,
            # new metainfo interface
            'has': {
                'CORS': False,
                'cancelAllOrders': True,
                'cancelOrder': True,
                'createDepositAddress': True,
                'createLimitOrder': True,
                'createMarketOrder': True,
                'createOrder': True,
                'deposit': False,
                'editOrder': False,
                'fetchBalance': True,
                'fetchClosedOrder': True,
                'fetchClosedOrders': False,
                'fetchCurrencies': True,
                'fetchDepositAddress': True,
                'fetchFundingFees': False,
                'fetchMyTrades': True,
                'fetchOHLCV': True,
                'fetchOpenOrder': True,
                'fetchOpenOrders': True,
                'fetchOrder': False,
                'fetchOrderTrades': True,
                'fetchStatus': True,
                'fetchTickers': True,
                'fetchTradingFee': False,
                'fetchTradingFees': False,
                'fetchTransactions': True,
                'withdraw': True,
            },
            'timeframes': {
                '1m': '1m',
                '5m': '5m',
                '15m': '15m',
                '30m': '30m',
                '1h': '1h',
                '3h': '3h',
                '6h': '6h',
                '12h': '12h',
                '1d': '1D',
                '1w': '7D',
                '2w': '14D',
                '1M': '1M',
            },
            'rateLimit': 1500,
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/1294454/27766244-e328a50c-5ed2-11e7-947b-041416579bb3.jpg',
                'api': {
                    'v1': 'https://api.bitfinex.com',
                    'public': 'https://api-pub.bitfinex.com',
                    'private': 'https://api.bitfinex.com',
                },
                'www': 'https://www.bitfinex.com',
                'doc': [
                    'https://docs.bitfinex.com/v2/docs/',
                    'https://github.com/bitfinexcom/bitfinex-api-node',
                ],
                'fees': 'https://www.bitfinex.com/fees',
            },
            'api': {
                'v1': {
                    'get': [
                        'symbols',
                        'symbols_details',
                    ],
                },
                'public': {
                    'get': [
                        'conf/{config}',
                        'conf/pub:{action}:{object}',
                        'conf/pub:{action}:{object}:{detail}',
                        'conf/pub:map:{object}',
                        'conf/pub:map:{object}:{detail}',
                        'conf/pub:map:currency:{detail}',
                        'conf/pub:map:currency:sym',  # maps symbols to their API symbols, BAB > BCH
                        'conf/pub:map:currency:label',  # verbose friendly names, BNT > Bancor
                        'conf/pub:map:currency:unit',  # maps symbols to unit of measure where applicable
                        'conf/pub:map:currency:undl',  # maps derivatives symbols to their underlying currency
                        'conf/pub:map:currency:pool',  # maps symbols to underlying network/protocol they operate on
                        'conf/pub:map:currency:explorer',  # maps symbols to their recognised block explorer URLs
                        'conf/pub:map:currency:tx:fee',  # maps currencies to their withdrawal fees https://github.com/ccxt/ccxt/issues/7745
                        'conf/pub:map:tx:method',
                        'conf/pub:list:{object}',
                        'conf/pub:list:{object}:{detail}',
                        'conf/pub:list:currency',
                        'conf/pub:list:pair:exchange',
                        'conf/pub:list:pair:margin',
                        'conf/pub:list:pair:futures',
                        'conf/pub:list:competitions',
                        'conf/pub:info:{object}',
                        'conf/pub:info:{object}:{detail}',
                        'conf/pub:info:pair',
                        'conf/pub:info:tx:status',  # [deposit, withdrawal] statuses 1 = active, 0 = maintenance
                        'conf/pub:fees',
                        'platform/status',
                        'tickers',
                        'ticker/{symbol}',
                        'trades/{symbol}/hist',
                        'book/{symbol}/{precision}',
                        'book/{symbol}/P0',
                        'book/{symbol}/P1',
                        'book/{symbol}/P2',
                        'book/{symbol}/P3',
                        'book/{symbol}/R0',
                        'stats1/{key}:{size}:{symbol}:{side}/{section}',
                        'stats1/{key}:{size}:{symbol}:{side}/last',
                        'stats1/{key}:{size}:{symbol}:{side}/hist',
                        'stats1/{key}:{size}:{symbol}/{section}',
                        'stats1/{key}:{size}:{symbol}/last',
                        'stats1/{key}:{size}:{symbol}/hist',
                        'stats1/{key}:{size}:{symbol}:long/last',
                        'stats1/{key}:{size}:{symbol}:long/hist',
                        'stats1/{key}:{size}:{symbol}:short/last',
                        'stats1/{key}:{size}:{symbol}:short/hist',
                        'candles/trade:{timeframe}:{symbol}/{section}',
                        'candles/trade:{timeframe}:{symbol}/last',
                        'candles/trade:{timeframe}:{symbol}/hist',
                        'status/{type}',
                        'status/deriv',
                        'liquidations/hist',
                        'rankings/{key}:{timeframe}:{symbol}/{section}',
                        'rankings/{key}:{timeframe}:{symbol}/hist',
                    ],
                    'post': [
                        'calc/trade/avg',
                        'calc/fx',
                    ],
                },
                'private': {
                    'post': [
                        # 'auth/r/orders/{symbol}/new',  # outdated
                        # 'auth/r/stats/perf:{timeframe}/hist',  # outdated
                        'auth/r/wallets',
                        'auth/r/wallets/hist',
                        'auth/r/orders',
                        'auth/r/orders/{symbol}',
                        'auth/w/order/submit',
                        'auth/w/order/update',
                        'auth/w/order/cancel',
                        'auth/w/order/multi',
                        'auth/w/order/cancel/multi',
                        'auth/r/orders/{symbol}/hist',
                        'auth/r/orders/hist',
                        'auth/r/order/{symbol}:{id}/trades',
                        'auth/r/trades/{symbol}/hist',
                        'auth/r/trades/hist',
                        'auth/r/ledgers/{currency}/hist',
                        'auth/r/ledgers/hist',
                        'auth/r/info/margin/{key}',
                        'auth/r/info/margin/base',
                        'auth/r/info/margin/sym_all',
                        'auth/r/positions',
                        'auth/w/position/claim',
                        'auth/r/positions/hist',
                        'auth/r/positions/audit',
                        'auth/w/deriv/collateral/set',
                        'auth/w/deriv/collateral/limits',
                        'auth/r/funding/offers',
                        'auth/r/funding/offers/{symbol}',
                        'auth/w/funding/offer/submit',
                        'auth/w/funding/offer/cancel',
                        'auth/w/funding/offer/cancel/all',
                        'auth/w/funding/close',
                        'auth/w/funding/auto',
                        'auth/w/funding/keep',
                        'auth/r/funding/offers/{symbol}/hist',
                        'auth/r/funding/offers/hist',
                        'auth/r/funding/loans',
                        'auth/r/funding/loans/hist',
                        'auth/r/funding/loans/{symbol}',
                        'auth/r/funding/loans/{symbol}/hist',
                        'auth/r/funding/credits',
                        'auth/r/funding/credits/hist',
                        'auth/r/funding/credits/{symbol}',
                        'auth/r/funding/credits/{symbol}/hist',
                        'auth/r/funding/trades/{symbol}/hist',
                        'auth/r/funding/trades/hist',
                        'auth/r/info/funding/{key}',
                        'auth/r/info/user',
                        'auth/r/logins/hist',
                        'auth/w/transfer',
                        'auth/w/deposit/address',
                        'auth/w/deposit/invoice',
                        'auth/w/withdraw',
                        'auth/r/movements/{currency}/hist',
                        'auth/r/movements/hist',
                        'auth/r/alerts',
                        'auth/w/alert/set',
                        'auth/w/alert/price:{symbol}:{price}/del',
                        'auth/w/alert/{type}:{symbol}:{price}/del',
                        'auth/calc/order/avail',
                        'auth/w/settings/set',
                        'auth/r/settings',
                        'auth/w/settings/del',
                    ],
                },
            },
            'fees': {
                'trading': {
                    'maker': 0.1 / 100,
                    'taker': 0.2 / 100,
                },
                'funding': {
                    'withdraw': {
                        'BTC': 0.0004,
                        'BCH': 0.0001,
                        'ETH': 0.00135,
                        'EOS': 0.0,
                        'LTC': 0.001,
                        'OMG': 0.15097,
                        'IOT': 0.0,
                        'NEO': 0.0,
                        'ETC': 0.01,
                        'XRP': 0.02,
                        'ETP': 0.01,
                        'ZEC': 0.001,
                        'BTG': 0.0,
                        'DASH': 0.01,
                        'XMR': 0.0001,
                        'QTM': 0.01,
                        'EDO': 0.23687,
                        'DAT': 9.8858,
                        'AVT': 1.1251,
                        'SAN': 0.35977,
                        'USDT': 5.0,
                        'SPK': 16.971,
                        'BAT': 1.1209,
                        'GNT': 2.8789,
                        'SNT': 9.0848,
                        'QASH': 1.726,
                        'YYW': 7.9464,
                    },
                },
            },
            'options': {
                'precision': 'R0',  # P0, P1, P2, P3, P4, R0
                # convert 'EXCHANGE MARKET' to lowercase 'market'
                # convert 'EXCHANGE LIMIT' to lowercase 'limit'
                # everything else remains uppercase
                'exchangeTypes': {
                    # 'MARKET': None,
                    'EXCHANGE MARKET': 'market',
                    # 'LIMIT': None,
                    'EXCHANGE LIMIT': 'limit',
                    # 'STOP': None,
                    # 'EXCHANGE STOP': None,
                    # 'TRAILING STOP': None,
                    # 'EXCHANGE TRAILING STOP': None,
                    # 'FOK': None,
                    # 'EXCHANGE FOK': None,
                    # 'STOP LIMIT': None,
                    # 'EXCHANGE STOP LIMIT': None,
                    # 'IOC': None,
                    # 'EXCHANGE IOC': None,
                },
                # convert 'market' to 'EXCHANGE MARKET'
                # convert 'limit' 'EXCHANGE LIMIT'
                # everything else remains as is
                'orderTypes': {
                    'market': 'EXCHANGE MARKET',
                    'limit': 'EXCHANGE LIMIT',
                },
                'fiat': {
                    'USD': 'USD',
                    'EUR': 'EUR',
                    'JPY': 'JPY',
                    'GBP': 'GBP',
                },
            },
            'exceptions': {
                'exact': {
                    '10020': BadRequest,
                    '10100': AuthenticationError,
                    '10114': InvalidNonce,
                    '20060': OnMaintenance,
                },
                'broad': {
                    'address': InvalidAddress,
                    'available balance is only': InsufficientFunds,
                    'not enough exchange balance': InsufficientFunds,
                    'Order not found': OrderNotFound,
                    'symbol: invalid': BadSymbol,
                    'Invalid order': InvalidOrder,
                },
            },
        })

    def is_fiat(self, code):
        return(code in self.options['fiat'])

    def get_currency_id(self, code):
        return 'f' + code

    def fetch_status(self, params={}):
        #
        #    [1]  # operative
        #    [0]  # maintenance
        #
        response = self.publicGetPlatformStatus(params)
        status = self.safe_value(response, 0)
        formattedStatus = 'ok' if (status == 1) else 'maintenance'
        self.status = self.extend(self.status, {
            'status': formattedStatus,
            'updated': self.milliseconds(),
        })
        return self.status

    def fetch_markets(self, params={}):
        # todo drop v1 in favor of v2 configs
        # pub:list:pair:exchange,pub:list:pair:margin,pub:list:pair:futures,pub:info:pair
        v2response = self.publicGetConfPubListPairFutures(params)
        v1response = self.v1GetSymbolsDetails(params)
        futuresMarketIds = self.safe_value(v2response, 0, [])
        result = []
        for i in range(0, len(v1response)):
            market = v1response[i]
            id = self.safe_string_upper(market, 'pair')
            spot = True
            if self.in_array(id, futuresMarketIds):
                spot = False
            futures = not spot
            type = 'spot' if spot else 'futures'
            baseId = None
            quoteId = None
            if id.find(':') >= 0:
                parts = id.split(':')
                baseId = parts[0]
                quoteId = parts[1]
            else:
                baseId = id[0:3]
                quoteId = id[3:6]
            base = self.safe_currency_code(baseId)
            quote = self.safe_currency_code(quoteId)
            symbol = base + '/' + quote
            id = 't' + id
            baseId = self.get_currency_id(baseId)
            quoteId = self.get_currency_id(quoteId)
            precision = {
                'price': self.safe_integer(market, 'price_precision'),
                'amount': 8,  # https://github.com/ccxt/ccxt/issues/7310
            }
            limits = {
                'amount': {
                    'min': self.safe_float(market, 'minimum_order_size'),
                    'max': self.safe_float(market, 'maximum_order_size'),
                },
                'price': {
                    'min': math.pow(10, -precision['price']),
                    'max': math.pow(10, precision['price']),
                },
            }
            limits['cost'] = {
                'min': limits['amount']['min'] * limits['price']['min'],
                'max': None,
            }
            result.append({
                'id': id,
                'symbol': symbol,
                'base': base,
                'quote': quote,
                'baseId': baseId,
                'quoteId': quoteId,
                'active': True,
                'precision': precision,
                'limits': limits,
                'info': market,
                'type': type,
                'swap': False,
                'spot': spot,
                'futures': futures,
            })
        return result

    def fetch_currencies(self, params={}):
        labels = [
            'pub:list:currency',
            'pub:map:currency:sym',  # maps symbols to their API symbols, BAB > BCH
            'pub:map:currency:label',  # verbose friendly names, BNT > Bancor
            'pub:map:currency:unit',  # maps symbols to unit of measure where applicable
            'pub:map:currency:undl',  # maps derivatives symbols to their underlying currency
            'pub:map:currency:pool',  # maps symbols to underlying network/protocol they operate on
            'pub:map:currency:explorer',  # maps symbols to their recognised block explorer URLs
            'pub:map:currency:tx:fee',  # maps currencies to their withdrawal fees https://github.com/ccxt/ccxt/issues/7745
        ]
        config = ','.join(labels)
        request = {
            'config': config,
        }
        response = self.publicGetConfConfig(self.extend(request, params))
        #
        #     [
        #
        #         a list of symbols
        #         ["AAA","ABS","ADA"],
        #
        #         # sym
        #         # maps symbols to their API symbols, BAB > BCH
        #         [
        #             ['BAB', 'BCH'],
        #             ['CNHT', 'CNHt'],
        #             ['DSH', 'DASH'],
        #             ['IOT', 'IOTA'],
        #             ['LES', 'LEO-EOS'],
        #             ['LET', 'LEO-ERC20'],
        #             ['STJ', 'STORJ'],
        #             ['TSD', 'TUSD'],
        #             ['UDC', 'USDC'],
        #             ['USK', 'USDK'],
        #             ['UST', 'USDt'],
        #             ['USTF0', 'USDt0'],
        #             ['XCH', 'XCHF'],
        #             ['YYW', 'YOYOW'],
        #             # ...
        #         ],
        #         # label
        #         # verbose friendly names, BNT > Bancor
        #         [
        #             ['BAB', 'Bitcoin Cash'],
        #             ['BCH', 'Bitcoin Cash'],
        #             ['LEO', 'Unus Sed LEO'],
        #             ['LES', 'Unus Sed LEO(EOS)'],
        #             ['LET', 'Unus Sed LEO(ERC20)'],
        #             # ...
        #         ],
        #         # unit
        #         # maps symbols to unit of measure where applicable
        #         [
        #             ['IOT', 'Mi|MegaIOTA'],
        #         ],
        #         # undl
        #         # maps derivatives symbols to their underlying currency
        #         [
        #             ['USTF0', 'UST'],
        #             ['BTCF0', 'BTC'],
        #             ['ETHF0', 'ETH'],
        #         ],
        #         # pool
        #         # maps symbols to underlying network/protocol they operate on
        #         [
        #             ['SAN', 'ETH'], ['OMG', 'ETH'], ['AVT', 'ETH'], ['EDO', 'ETH'],
        #             ['ESS', 'ETH'], ['ATD', 'EOS'], ['ADD', 'EOS'], ['MTO', 'EOS'],
        #             ['PNK', 'ETH'], ['BAB', 'BCH'], ['WLO', 'XLM'], ['VLD', 'ETH'],
        #             ['BTT', 'TRX'], ['IMP', 'ETH'], ['SCR', 'ETH'], ['GNO', 'ETH'],
        #             # ...
        #         ],
        #         # explorer
        #         # maps symbols to their recognised block explorer URLs
        #         [
        #             [
        #                 'AIO',
        #                 [
        #                     "https://mainnet.aion.network",
        #                     "https://mainnet.aion.network/#/account/VAL",
        #                     "https://mainnet.aion.network/#/transaction/VAL"
        #                 ]
        #             ],
        #             # ...
        #         ],
        #         # fee
        #         # maps currencies to their withdrawal fees
        #         [
        #             ["AAA",[0,0]],
        #             ["ABS",[0,131.3]],
        #             ["ADA",[0,0.3]],
        #         ],
        #     ]
        #
        indexed = {
            'sym': self.index_by(self.safe_value(response, 1, []), 0),
            'label': self.index_by(self.safe_value(response, 2, []), 0),
            'unit': self.index_by(self.safe_value(response, 3, []), 0),
            'undl': self.index_by(self.safe_value(response, 4, []), 0),
            'pool': self.index_by(self.safe_value(response, 5, []), 0),
            'explorer': self.index_by(self.safe_value(response, 6, []), 0),
            'fees': self.index_by(self.safe_value(response, 7, []), 0),
        }
        ids = self.safe_value(response, 0, [])
        result = {}
        for i in range(0, len(ids)):
            id = ids[i]
            code = self.safe_currency_code(id)
            label = self.safe_value(indexed['label'], id, [])
            name = self.safe_string(label, 1)
            pool = self.safe_value(indexed['pool'], id, [])
            type = self.safe_string(pool, 1)
            feeValues = self.safe_value(indexed['fees'], id, [])
            fees = self.safe_value(feeValues, 1, [])
            fee = self.safe_float(fees, 1)
            precision = 8  # default precision, todo: fix "magic constants"
            id = 'f' + id
            result[code] = {
                'id': id,
                'code': code,
                'info': [id, label, pool, feeValues],
                'type': type,
                'name': name,
                'active': True,
                'fee': fee,
                'precision': precision,
                'limits': {
                    'amount': {
                        'min': 1 / math.pow(10, precision),
                        'max': None,
                    },
                    'price': {
                        'min': 1 / math.pow(10, precision),
                        'max': None,
                    },
                    'cost': {
                        'min': None,
                        'max': None,
                    },
                    'withdraw': {
                        'min': fee,
                        'max': None,
                    },
                },
            }
        return result

    def fetch_balance(self, params={}):
        # self api call does not return the 'used' amount - use the v1 version instead(which also returns zero balances)
        self.load_markets()
        response = self.privatePostAuthRWallets(params)
        balanceType = self.safe_string(params, 'type', 'exchange')
        result = {'info': response}
        for b in range(0, len(response)):
            balance = response[b]
            accountType = balance[0]
            currency = balance[1]
            total = balance[2]
            available = balance[4]
            if accountType == balanceType:
                if currency[0] == 't':
                    currency = currency[1:]
                code = self.safe_currency_code(currency)
                account = self.account()
                # do not fill in zeroes and missing values in the parser
                # rewrite and unify the following to use the unified parseBalance
                account['total'] = total
                if not available:
                    if available == 0:
                        account['free'] = 0
                        account['used'] = total
                    else:
                        account['free'] = total
                else:
                    account['free'] = available
                    account['used'] = account['total'] - account['free']
                result[code] = account
        return self.parse_balance(result)

    def fetch_order_book(self, symbol, limit=None, params={}):
        self.load_markets()
        precision = self.safe_value(self.options, 'precision', 'R0')
        request = {
            'symbol': self.market_id(symbol),
            'precision': precision,
        }
        if limit is not None:
            request['len'] = limit  # 25 or 100
        fullRequest = self.extend(request, params)
        orderbook = self.publicGetBookSymbolPrecision(fullRequest)
        timestamp = self.milliseconds()
        result = {
            'bids': [],
            'asks': [],
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'nonce': None,
        }
        priceIndex = 1 if (fullRequest['precision'] == 'R0') else 0
        for i in range(0, len(orderbook)):
            order = orderbook[i]
            price = order[priceIndex]
            amount = abs(order[2])
            side = 'bids' if (order[2] > 0) else 'asks'
            result[side].append([price, amount])
        result['bids'] = self.sort_by(result['bids'], 0, True)
        result['asks'] = self.sort_by(result['asks'], 0)
        return result

    def parse_ticker(self, ticker, market=None):
        timestamp = self.milliseconds()
        symbol = None
        if market is not None:
            symbol = market['symbol']
        length = len(ticker)
        last = ticker[length - 4]
        return {
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': ticker[length - 2],
            'low': ticker[length - 1],
            'bid': ticker[length - 10],
            'bidVolume': None,
            'ask': ticker[length - 8],
            'askVolume': None,
            'vwap': None,
            'open': None,
            'close': last,
            'last': last,
            'previousClose': None,
            'change': ticker[length - 6],
            'percentage': ticker[length - 5] * 100,
            'average': None,
            'baseVolume': ticker[length - 3],
            'quoteVolume': None,
            'info': ticker,
        }

    def fetch_tickers(self, symbols=None, params={}):
        self.load_markets()
        request = {}
        if symbols is not None:
            ids = self.market_ids(symbols)
            request['symbols'] = ','.join(ids)
        else:
            request['symbols'] = 'ALL'
        tickers = self.publicGetTickers(self.extend(request, params))
        result = {}
        for i in range(0, len(tickers)):
            ticker = tickers[i]
            id = ticker[0]
            if id in self.markets_by_id:
                market = self.markets_by_id[id]
                symbol = market['symbol']
                result[symbol] = self.parse_ticker(ticker, market)
        return self.filter_by_array(result, 'symbol', symbols)

    def fetch_ticker(self, symbol, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'symbol': market['id'],
        }
        ticker = self.publicGetTickerSymbol(self.extend(request, params))
        return self.parse_ticker(ticker, market)

    def parse_symbol(self, marketId):
        if marketId is None:
            return marketId
        marketId = marketId.replace('t', '')
        baseId = None
        quoteId = None
        if marketId.find(':') >= 0:
            parts = marketId.split(':')
            baseId = parts[0]
            quoteId = parts[1]
        else:
            baseId = marketId[0:3]
            quoteId = marketId[3:6]
        base = self.safe_currency_code(baseId)
        quote = self.safe_currency_code(quoteId)
        return base + '/' + quote

    def parse_trade(self, trade, market=None):
        #
        # fetchTrades(public)
        #
        #     [
        #         ID,
        #         MTS,  # timestamp
        #         AMOUNT,
        #         PRICE
        #     ]
        #
        # fetchMyTrades(private)
        #
        #     [
        #         ID,
        #         PAIR,
        #         MTS_CREATE,
        #         ORDER_ID,
        #         EXEC_AMOUNT,
        #         EXEC_PRICE,
        #         ORDER_TYPE,
        #         ORDER_PRICE,
        #         MAKER,
        #         FEE,
        #         FEE_CURRENCY,
        #         ...
        #     ]
        #
        tradeLength = len(trade)
        isPrivate = (tradeLength > 5)
        id = str(trade[0])
        amountIndex = 4 if isPrivate else 2
        amount = trade[amountIndex]
        cost = None
        priceIndex = 5 if isPrivate else 3
        price = trade[priceIndex]
        side = None
        orderId = None
        takerOrMaker = None
        type = None
        fee = None
        symbol = None
        timestampIndex = 2 if isPrivate else 1
        timestamp = trade[timestampIndex]
        if isPrivate:
            marketId = trade[1]
            if marketId in self.markets_by_id:
                market = self.markets_by_id[marketId]
                symbol = market['symbol']
            else:
                symbol = self.parse_symbol(marketId)
            orderId = str(trade[3])
            takerOrMaker = 'maker' if (trade[8] == 1) else 'taker'
            feeCost = trade[9]
            feeCurrency = self.safe_currency_code(trade[10])
            if feeCost is not None:
                feeCost = -feeCost
                if symbol in self.markets:
                    feeCost = self.fee_to_precision(symbol, feeCost)
                else:
                    currencyId = 'f' + feeCurrency
                    if currencyId in self.currencies_by_id:
                        currency = self.currencies_by_id[currencyId]
                        feeCost = self.currency_to_precision(currency['code'], feeCost)
                fee = {
                    'cost': float(feeCost),
                    'currency': feeCurrency,
                }
            orderType = trade[6]
            type = self.safe_string(self.options['exchangeTypes'], orderType)
        if symbol is None:
            if market is not None:
                symbol = market['symbol']
        if amount is not None:
            side = 'sell' if (amount < 0) else 'buy'
            amount = abs(amount)
            if cost is None:
                if price is not None:
                    cost = amount * price
        return {
            'id': id,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': symbol,
            'order': orderId,
            'side': side,
            'type': type,
            'takerOrMaker': takerOrMaker,
            'price': price,
            'amount': amount,
            'cost': cost,
            'fee': fee,
            'info': trade,
        }

    def fetch_trades(self, symbol, since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        sort = '-1'
        request = {
            'symbol': market['id'],
        }
        if since is not None:
            request['start'] = since
            sort = '1'
        if limit is not None:
            request['limit'] = limit  # default 120, max 5000
        request['sort'] = sort
        response = self.publicGetTradesSymbolHist(self.extend(request, params))
        #
        #     [
        #         [
        #             ID,
        #             MTS,  # timestamp
        #             AMOUNT,
        #             PRICE
        #         ]
        #     ]
        #
        trades = self.sort_by(response, 1)
        return self.parse_trades(trades, market, None, limit)

    def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=100, params={}):
        self.load_markets()
        market = self.market(symbol)
        if limit is None:
            limit = 100  # default 100, max 5000
        if since is None:
            since = self.milliseconds() - self.parse_timeframe(timeframe) * limit * 1000
        request = {
            'symbol': market['id'],
            'timeframe': self.timeframes[timeframe],
            'sort': 1,
            'start': since,
            'limit': limit,
        }
        response = self.publicGetCandlesTradeTimeframeSymbolHist(self.extend(request, params))
        #
        #     [
        #         [1591503840000,0.025069,0.025068,0.025069,0.025068,1.97828998],
        #         [1591504500000,0.025065,0.025065,0.025065,0.025065,1.0164],
        #         [1591504620000,0.025062,0.025062,0.025062,0.025062,0.5],
        #     ]
        #
        return self.parse_ohlcvs(response, market, timeframe, since, limit)

    def parse_order_status(self, status):
        if status is None:
            return status
        parts = status.split(' ')
        state = self.safe_string(parts, 0)
        statuses = {
            'ACTIVE': 'open',
            'PARTIALLY': 'open',
            'EXECUTED': 'closed',
            'CANCELED': 'canceled',
            'INSUFFICIENT': 'canceled',
            'RSN_DUST': 'rejected',
            'RSN_PAUSE': 'rejected',
        }
        return self.safe_string(statuses, state, status)

    def parse_order(self, order, market=None):
        id = self.safe_string(order, 0)
        symbol = None
        marketId = self.safe_string(order, 3)
        if marketId in self.markets_by_id:
            market = self.markets_by_id[marketId]
        else:
            symbol = self.parse_symbol(marketId)
        if (symbol is None) and (market is not None):
            symbol = market['symbol']
        # https://github.com/ccxt/ccxt/issues/6686
        # timestamp = self.safe_timestamp(order, 5)
        timestamp = self.safe_integer(order, 5)
        remaining = abs(self.safe_float(order, 6))
        amount = abs(self.safe_float(order, 7))
        filled = amount - remaining
        side = 'sell' if (order[7] < 0) else 'buy'
        orderType = self.safe_string(order, 8)
        type = self.safe_string(self.safe_value(self.options, 'exchangeTypes'), orderType)
        status = None
        statusString = self.safe_string(order, 13)
        if statusString is not None:
            parts = statusString.split(' @ ')
            status = self.parse_order_status(self.safe_string(parts, 0))
        price = self.safe_float(order, 16)
        average = self.safe_float(order, 17)
        cost = price * filled
        clientOrderId = self.safe_string(order, 2)
        return {
            'info': order,
            'id': id,
            'clientOrderId': clientOrderId,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': None,
            'symbol': symbol,
            'type': type,
            'timeInForce': None,
            'postOnly': None,
            'side': side,
            'price': price,
            'stopPrice': None,
            'amount': amount,
            'cost': cost,
            'average': average,
            'filled': filled,
            'remaining': remaining,
            'status': status,
            'fee': None,
            'trades': None,
        }

    def create_order(self, symbol, type, side, amount, price=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        orderTypes = self.safe_value(self.options, 'orderTypes', {})
        orderType = self.safe_string_upper(orderTypes, type, type)
        amount = -amount if (side == 'sell') else amount
        request = {
            'symbol': market['id'],
            'type': orderType,
            'amount': self.number_to_string(amount),
        }
        if (orderType == 'LIMIT') or (orderType == 'EXCHANGE LIMIT'):
            request['price'] = self.number_to_string(price)
        elif (orderType == 'STOP') or (orderType == 'EXCHANGE STOP'):
            stopPrice = self.safe_float(params, 'stopPrice', price)
            request['price'] = self.number_to_string(stopPrice)
        elif (orderType == 'STOP LIMIT') or (orderType == 'EXCHANGE STOP LIMIT'):
            priceAuxLimit = self.safe_float(params, 'price_aux_limit')
            stopPrice = self.safe_float(params, 'stopPrice')
            if priceAuxLimit is None:
                if stopPrice is None:
                    raise ArgumentsRequired(self.id + ' createOrder() requires a stopPrice parameter or a price_aux_limit parameter for a ' + orderType + ' order')
                else:
                    request['price_aux_limit'] = self.number_to_string(price)
            else:
                request['price_aux_limit'] = self.number_to_string(priceAuxLimit)
                if stopPrice is None:
                    stopPrice = price
            request['price'] = self.number_to_string(stopPrice)
        elif (orderType == 'TRAILING STOP') or (orderType == 'EXCHANGE TRAILING STOP'):
            priceTrailing = self.safe_float(params, 'price_trailing')
            request['price_trailing'] = self.number_to_string(priceTrailing)
            stopPrice = self.safe_float(params, 'stopPrice', price)
            request['price'] = self.number_to_string(stopPrice)
        elif (orderType == 'FOK') or (orderType == 'EXCHANGE FOK') or (orderType == 'IOC') or (orderType == 'EXCHANGE IOC'):
            request['price'] = self.number_to_string(price)
        params = self.omit(params, ['stopPrice', 'price_aux_limit', 'price_trailing'])
        clientOrderId = self.safe_value_2(params, 'cid', 'clientOrderId')
        if clientOrderId is not None:
            request['cid'] = clientOrderId
            params = self.omit(params, ['cid', 'clientOrderId'])
        response = self.privatePostAuthWOrderSubmit(self.extend(request, params))
        #
        #     [
        #         1578784364.748,    # Millisecond Time Stamp of the update
        #         "on-req",          # Purpose of notification('on-req', 'oc-req', 'uca', 'fon-req', 'foc-req')
        #         null,              # Unique ID of the message
        #         null,              # Ignore
        #         [
        #             [
        #                 37271830598,           # Order ID
        #                 null,                  # Group ID
        #                 1578784364748,         # Client Order ID
        #                 "tBTCUST",             # Pair
        #                 1578784364748,         # Millisecond timestamp of creation
        #                 1578784364748,         # Millisecond timestamp of update
        #                 -0.005,                # Positive means buy, negative means sell
        #                 -0.005,                # Original amount
        #                 "EXCHANGE LIMIT",      # Order type(LIMIT, MARKET, STOP, TRAILING STOP, EXCHANGE MARKET, EXCHANGE LIMIT, EXCHANGE STOP, EXCHANGE TRAILING STOP, FOK, EXCHANGE FOK, IOC, EXCHANGE IOC)
        #                 null,                  # Previous order type
        #                 null,                  # Millisecond timestamp of Time-In-Force: automatic order cancellation
        #                 null,                  # Ignore
        #                 0,                     # Flags(see https://docs.bitfinex.com/docs/flag-values)
        #                 "ACTIVE",              # Order Status
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 20000,                 # Price
        #                 0,                     # Average price
        #                 0,                     # The trailing price
        #                 0,                     # Auxiliary Limit price(for STOP LIMIT)
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 0,                     # 1 - hidden order
        #                 null,                  # If another order caused self order to be placed(OCO) self will be that other order's ID
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 "API>BFX",             # Origin of action: BFX, ETHFX, API>BFX, API>ETHFX
        #                 null,                  # Ignore
        #                 null,                  # Ignore
        #                 null                   # Meta
        #             ]
        #         ],
        #         null,                  # Error code
        #         "SUCCESS",             # Status(SUCCESS, ERROR, FAILURE, ...)
        #         "Submitting 1 orders."  # Text of the notification
        #     ]
        #
        status = self.safe_string(response, 6)
        if status != 'SUCCESS':
            errorCode = response[5]
            errorText = response[7]
            raise ExchangeError(self.id + ' ' + response[6] + ': ' + errorText + '(#' + errorCode + ')')
        orders = self.safe_value(response, 4, [])
        order = self.safe_value(orders, 0)
        return self.parse_order(order, market)

    def cancel_all_orders(self, symbol=None, params={}):
        request = {
            'all': 1,
        }
        response = self.privatePostAuthWOrderCancelMulti(self.extend(request, params))
        orders = self.safe_value(response, 4, [])
        return self.parse_orders(orders)

    def cancel_order(self, id, symbol=None, params={}):
        cid = self.safe_value_2(params, 'cid', 'clientOrderId')  # client order id
        request = None
        if cid is not None:
            cidDate = self.safe_value(params, 'cidDate')  # client order id date
            if cidDate is None:
                raise InvalidOrder(self.id + " canceling an order by clientOrderId('cid') requires both 'cid' and 'cid_date'('YYYY-MM-DD')")
            request = {
                'cid': cid,
                'cid_date': cidDate,
            }
            params = self.omit(params, ['cid', 'clientOrderId'])
        else:
            request = {
                'id': int(id),
            }
        response = self.privatePostAuthWOrderCancel(self.extend(request, params))
        order = self.safe_value(response, 4)
        return self.parse_order(order)

    def fetch_open_order(self, id, symbol=None, params={}):
        request = {
            'id': [int(id)],
        }
        orders = self.fetch_open_orders(symbol, None, None, self.extend(request, params))
        order = self.safe_value(orders, 0)
        if order is None:
            raise OrderNotFound(self.id + ' order ' + id + ' not found')
        return order

    def fetch_closed_order(self, id, symbol=None, params={}):
        request = {
            'id': [int(id)],
        }
        orders = self.fetch_closed_orders(symbol, None, None, self.extend(request, params))
        order = self.safe_value(orders, 0)
        if order is None:
            raise OrderNotFound(self.id + ' order ' + id + ' not found')
        return order

    def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
        self.load_markets()
        request = {}
        market = None
        response = None
        if symbol is None:
            response = self.privatePostAuthROrders(self.extend(request, params))
        else:
            market = self.market(symbol)
            request['symbol'] = market['id']
            response = self.privatePostAuthROrdersSymbol(self.extend(request, params))
        return self.parse_orders(response, market, since, limit)

    def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
        # returns the most recent closed or canceled orders up to circa two weeks ago
        self.load_markets()
        request = {}
        market = None
        response = None
        if symbol is None:
            response = self.privatePostAuthROrdersHist(self.extend(request, params))
        else:
            market = self.market(symbol)
            request['symbol'] = market['id']
            response = self.privatePostAuthROrdersSymbolHist(self.extend(request, params))
        if since is not None:
            request['start'] = since
        if limit is not None:
            request['limit'] = limit  # default 25, max 2500
        return self.parse_orders(response, market, since, limit)

    def fetch_order_trades(self, id, symbol=None, since=None, limit=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchOrderTrades() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        orderId = int(id)
        request = {
            'id': orderId,
            'symbol': market['id'],
        }
        # valid for trades upto 10 days old
        response = self.privatePostAuthROrderSymbolIdTrades(self.extend(request, params))
        return self.parse_trades(response, market, since, limit)

    def fetch_my_trades(self, symbol=None, since=None, limit=None, params={}):
        self.load_markets()
        market = None
        request = {
            'end': self.milliseconds(),
        }
        if since is not None:
            request['start'] = since
        if limit is not None:
            request['limit'] = limit  # default 25, max 1000
        method = 'privatePostAuthRTradesHist'
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
            method = 'privatePostAuthRTradesSymbolHist'
        response = getattr(self, method)(self.extend(request, params))
        return self.parse_trades(response, market, since, limit)

    def create_deposit_address(self, code, params={}):
        self.load_markets()
        request = {
            'op_renew': 1,
        }
        response = self.fetch_deposit_address(code, self.extend(request, params))
        return response

    def fetch_deposit_address(self, code, params={}):
        self.load_markets()
        # todo rewrite for https://api-pub.bitfinex.com//v2/conf/pub:map:tx:method
        name = self.getCurrencyName(code)
        request = {
            'method': name,
            'wallet': 'exchange',  # 'exchange', 'margin', 'funding' and also old labels 'exchange', 'trading', 'deposit', respectively
            'op_renew': 0,  # a value of 1 will generate a new address
        }
        response = self.privatePostAuthWDepositAddress(self.extend(request, params))
        #
        #     [
        #         1582269616687,  # MTS Millisecond Time Stamp of the update
        #         'acc_dep',  # TYPE Purpose of notification 'acc_dep' for account deposit
        #         null,  # MESSAGE_ID unique ID of the message
        #         null,  # not documented
        #         [
        #             null,  # PLACEHOLDER
        #             'BITCOIN',  # METHOD Method of deposit
        #             'BTC',  # CURRENCY_CODE Currency code of new address
        #             null,  # PLACEHOLDER
        #             '1BC9PZqpUmjyEB54uggn8TFKj49zSDYzqG',  # ADDRESS
        #             null,  # POOL_ADDRESS
        #         ],
        #         null,  # CODE null or integer work in progress
        #         'SUCCESS',  # STATUS Status of the notification, SUCCESS, ERROR, FAILURE
        #         'success',  # TEXT Text of the notification
        #     ]
        #
        result = self.safe_value(response, 4, [])
        poolAddress = self.safe_string(result, 5)
        address = self.safe_string(result, 4) if (poolAddress is None) else poolAddress
        tag = None if (poolAddress is None) else self.safe_string(result, 4)
        self.check_address(address)
        return {
            'currency': code,
            'address': address,
            'tag': tag,
            'info': response,
        }

    def parse_transaction_status(self, status):
        statuses = {
            'SUCCESS': 'ok',
            'ERROR': 'failed',
            'FAILURE': 'failed',
            'CANCELED': 'canceled',
        }
        return self.safe_string(statuses, status, status)

    def parse_transaction(self, transaction, currency=None):
        #
        # withdraw
        #
        #     [
        #         1582271520931,  # MTS Millisecond Time Stamp of the update
        #         "acc_wd-req",  # TYPE Purpose of notification 'acc_wd-req' account withdrawal request
        #         null,  # MESSAGE_ID unique ID of the message
        #         null,  # not documented
        #         [
        #             0,  # WITHDRAWAL_ID Unique Withdrawal ID
        #             null,  # PLACEHOLDER
        #             "bitcoin",  # METHOD Method of withdrawal
        #             null,  # PAYMENT_ID Payment ID if relevant
        #             "exchange",  # WALLET Sending wallet
        #             1,  # AMOUNT Amount of Withdrawal less fee
        #             null,  # PLACEHOLDER
        #             null,  # PLACEHOLDER
        #             0.0004,  # WITHDRAWAL_FEE Fee on withdrawal
        #         ],
        #         null,  # CODE null or integer Work in progress
        #         "SUCCESS",  # STATUS Status of the notification, it may vary over time SUCCESS, ERROR, FAILURE
        #         "Invalid bitcoin address(abcdef)",  # TEXT Text of the notification
        #     ]
        #
        # fetchTransactions
        #
        #     [
        #         13293039,  # ID
        #         'ETH',  # CURRENCY
        #         'ETHEREUM',  # CURRENCY_NAME
        #         null,
        #         null,
        #         1574175052000,  # MTS_STARTED
        #         1574181326000,  # MTS_UPDATED
        #         null,
        #         null,
        #         'CANCELED',  # STATUS
        #         null,
        #         null,
        #         -0.24,  # AMOUNT, negative for withdrawals
        #         -0.00135,  # FEES
        #         null,
        #         null,
        #         'DESTINATION_ADDRESS',
        #         null,
        #         null,
        #         null,
        #         'TRANSACTION_ID',
        #         "Purchase of 100 pizzas",  # WITHDRAW_TRANSACTION_NOTE
        #     ]
        #
        transactionLength = len(transaction)
        timestamp = None
        updated = None
        code = None
        amount = None
        id = None
        status = None
        tag = None
        type = None
        feeCost = None
        txid = None
        addressTo = None
        if transactionLength < 9:
            data = self.safe_value(transaction, 4, [])
            timestamp = self.safe_integer(transaction, 0)
            if currency is not None:
                code = currency['code']
            feeCost = self.safe_float(data, 8)
            if feeCost is not None:
                feeCost = -feeCost
            amount = self.safe_float(data, 5)
            id = self.safe_value(data, 0)
            status = 'ok'
            if id == 0:
                id = None
                status = 'failed'
            tag = self.safe_string(data, 3)
            type = 'withdrawal'
        else:
            id = self.safe_string(transaction, 0)
            timestamp = self.safe_integer(transaction, 5)
            updated = self.safe_integer(transaction, 6)
            status = self.parse_transaction_status(self.safe_string(transaction, 9))
            amount = self.safe_float(transaction, 12)
            if amount is not None:
                if amount < 0:
                    type = 'withdrawal'
                else:
                    type = 'deposit'
            feeCost = self.safe_float(transaction, 13)
            if feeCost is not None:
                feeCost = -feeCost
            addressTo = self.safe_string(transaction, 16)
            txid = self.safe_string(transaction, 20)
        return {
            'info': transaction,
            'id': id,
            'txid': txid,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'addressFrom': None,
            'address': addressTo,  # self is actually the tag for XRP transfers(the address is missing)
            'addressTo': addressTo,
            'tagFrom': None,
            'tag': tag,  # refix it properly for the tag from description
            'tagTo': tag,
            'type': type,
            'amount': amount,
            'currency': code,
            'status': status,
            'updated': updated,
            'fee': {
                'currency': code,
                'cost': feeCost,
                'rate': None,
            },
        }

    def fetch_transactions(self, code=None, since=None, limit=None, params={}):
        self.load_markets()
        currency = None
        request = {}
        method = 'privatePostAuthRMovementsHist'
        if code is not None:
            currency = self.currency(code)
            request['currency'] = currency['id']
            method = 'privatePostAuthRMovementsCurrencyHist'
        if since is not None:
            request['start'] = since
        if limit is not None:
            request['limit'] = limit  # max 1000
        response = getattr(self, method)(self.extend(request, params))
        #
        #     [
        #         [
        #             13293039,  # ID
        #             'ETH',  # CURRENCY
        #             'ETHEREUM',  # CURRENCY_NAME
        #             null,
        #             null,
        #             1574175052000,  # MTS_STARTED
        #             1574181326000,  # MTS_UPDATED
        #             null,
        #             null,
        #             'CANCELED',  # STATUS
        #             null,
        #             null,
        #             -0.24,  # AMOUNT, negative for withdrawals
        #             -0.00135,  # FEES
        #             null,
        #             null,
        #             'DESTINATION_ADDRESS',
        #             null,
        #             null,
        #             null,
        #             'TRANSACTION_ID',
        #             "Purchase of 100 pizzas",  # WITHDRAW_TRANSACTION_NOTE
        #         ]
        #     ]
        #
        return self.parse_transactions(response, currency, since, limit)

    def withdraw(self, code, amount, address, tag=None, params={}):
        self.check_address(address)
        self.load_markets()
        currency = self.currency(code)
        # todo rewrite for https://api-pub.bitfinex.com//v2/conf/pub:map:tx:method
        name = self.getCurrencyName(code)
        request = {
            'method': name,
            'wallet': 'exchange',  # 'exchange', 'margin', 'funding' and also old labels 'exchange', 'trading', 'deposit', respectively
            'amount': self.number_to_string(amount),
            'address': address,
        }
        if tag is not None:
            request['payment_id'] = tag
        response = self.privatePostAuthWWithdraw(self.extend(request, params))
        #
        #     [
        #         1582271520931,  # MTS Millisecond Time Stamp of the update
        #         "acc_wd-req",  # TYPE Purpose of notification 'acc_wd-req' account withdrawal request
        #         null,  # MESSAGE_ID unique ID of the message
        #         null,  # not documented
        #         [
        #             0,  # WITHDRAWAL_ID Unique Withdrawal ID
        #             null,  # PLACEHOLDER
        #             "bitcoin",  # METHOD Method of withdrawal
        #             null,  # PAYMENT_ID Payment ID if relevant
        #             "exchange",  # WALLET Sending wallet
        #             1,  # AMOUNT Amount of Withdrawal less fee
        #             null,  # PLACEHOLDER
        #             null,  # PLACEHOLDER
        #             0.0004,  # WITHDRAWAL_FEE Fee on withdrawal
        #         ],
        #         null,  # CODE null or integer Work in progress
        #         "SUCCESS",  # STATUS Status of the notification, it may vary over time SUCCESS, ERROR, FAILURE
        #         "Invalid bitcoin address(abcdef)",  # TEXT Text of the notification
        #     ]
        #
        text = self.safe_string(response, 7)
        if text != 'success':
            self.throw_broadly_matched_exception(self.exceptions['broad'], text, text)
        transaction = self.parse_transaction(response, currency)
        return self.extend(transaction, {
            'address': address,
        })

    def fetch_positions(self, symbols=None, since=None, limit=None, params={}):
        self.load_markets()
        response = self.privatePostPositions(params)
        #
        #     [
        #         [
        #             "tBTCUSD",  # SYMBOL
        #             "ACTIVE",  # STATUS
        #             0.0195,  # AMOUNT
        #             8565.0267019,  # BASE_PRICE
        #             0,  # MARGIN_FUNDING
        #             0,  # MARGIN_FUNDING_TYPE
        #             -0.33455568705000516,  # PL
        #             -0.0003117550117425625,  # PL_PERC
        #             7045.876419249083,  # PRICE_LIQ
        #             3.0673001895895604,  # LEVERAGE
        #             null,  # _PLACEHOLDER
        #             142355652,  # POSITION_ID
        #             1574002216000,  # MTS_CREATE
        #             1574002216000,  # MTS_UPDATE
        #             null,  # _PLACEHOLDER
        #             0,  # TYPE
        #             null,  # _PLACEHOLDER
        #             0,  # COLLATERAL
        #             0,  # COLLATERAL_MIN
        #             # META
        #             {
        #                 "reason":"TRADE",
        #                 "order_id":34271018124,
        #                 "liq_stage":null,
        #                 "trade_price":"8565.0267019",
        #                 "trade_amount":"0.0195",
        #                 "order_id_oppo":34277498022
        #             }
        #         ]
        #     ]
        #
        # todo unify parsePosition/parsePositions
        return response

    def nonce(self):
        return self.milliseconds()

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        request = '/' + self.implode_params(path, params)
        query = self.omit(params, self.extract_params(path))
        if api == 'v1':
            request = api + request
        else:
            request = self.version + request
        url = self.urls['api'][api] + '/' + request
        if api == 'public':
            if query:
                url += '?' + self.urlencode(query)
        if api == 'private':
            self.check_required_credentials()
            nonce = str(self.nonce())
            body = self.json(query)
            auth = '/api/' + request + nonce + body
            signature = self.hmac(self.encode(auth), self.encode(self.secret), hashlib.sha384)
            headers = {
                'bfx-nonce': nonce,
                'bfx-apikey': self.apiKey,
                'bfx-signature': signature,
                'Content-Type': 'application/json',
            }
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def request(self, path, api='public', method='GET', params={}, headers=None, body=None):
        response = self.fetch2(path, api, method, params, headers, body)
        if response:
            if 'message' in response:
                if response['message'].find('not enough exchange balance') >= 0:
                    raise InsufficientFunds(self.id + ' ' + self.json(response))
                raise ExchangeError(self.id + ' ' + self.json(response))
            return response
        elif response == '':
            raise ExchangeError(self.id + ' returned empty response')
        return response

    def handle_errors(self, statusCode, statusText, url, method, responseHeaders, responseBody, response, requestHeaders, requestBody):
        if statusCode == 500:
            # See https://docs.bitfinex.com/docs/abbreviations-glossary#section-errorinfo-codes
            errorCode = self.number_to_string(response[1])
            errorText = response[2]
            feedback = self.id + ' ' + errorText
            self.throw_exactly_matched_exception(self.exceptions['exact'], errorCode, feedback)
            self.throw_exactly_matched_exception(self.exceptions['exact'], errorText, feedback)
            self.throw_broadly_matched_exception(self.exceptions['broad'], errorText, feedback)
            raise ExchangeError(self.id + ' ' + errorText + '(#' + errorCode + ')')
