# -*- 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
import math
from ccxt.base.errors import ExchangeError
from ccxt.base.errors import AuthenticationError
from ccxt.base.errors import PermissionDenied
from ccxt.base.errors import BadSymbol
from ccxt.base.errors import InsufficientFunds
from ccxt.base.errors import InvalidOrder
from ccxt.base.errors import OrderNotFound
from ccxt.base.errors import ExchangeNotAvailable
from ccxt.base.errors import RequestTimeout
from ccxt.base.decimal_to_precision import TRUNCATE
from ccxt.base.decimal_to_precision import DECIMAL_PLACES
from ccxt.base.decimal_to_precision import TICK_SIZE
from ccxt.base.precise import Precise


class hitbtc(Exchange):

    def describe(self):
        return self.deep_extend(super(hitbtc, self).describe(), {
            'id': 'hitbtc',
            'name': 'HitBTC',
            'countries': ['HK'],
            'rateLimit': 1500,
            'version': '2',
            'pro': True,
            'has': {
                'cancelOrder': True,
                'CORS': False,
                'createDepositAddress': True,
                'createOrder': True,
                'editOrder': True,
                'fetchBalance': True,
                'fetchClosedOrders': True,
                'fetchCurrencies': True,
                'fetchDepositAddress': True,
                'fetchDeposits': False,
                'fetchMarkets': True,
                'fetchMyTrades': True,
                'fetchOHLCV': True,
                'fetchOpenOrder': True,
                'fetchOpenOrders': True,
                'fetchOrder': True,
                'fetchOrderBook': True,
                'fetchOrders': False,
                'fetchOrderTrades': True,
                'fetchTicker': True,
                'fetchTickers': True,
                'fetchTrades': True,
                'fetchTradingFee': True,
                'fetchTransactions': True,
                'fetchWithdrawals': False,
                'withdraw': True,
                'transfer': True,
            },
            'timeframes': {
                '1m': 'M1',
                '3m': 'M3',
                '5m': 'M5',
                '15m': 'M15',
                '30m': 'M30',  # default
                '1h': 'H1',
                '4h': 'H4',
                '1d': 'D1',
                '1w': 'D7',
                '1M': '1M',
            },
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/1294454/27766555-8eaec20e-5edc-11e7-9c5b-6dc69fc42f5e.jpg',
                'test': {
                    'public': 'https://api.demo.hitbtc.com',
                    'private': 'https://api.demo.hitbtc.com',
                },
                'api': {
                    'public': 'https://api.hitbtc.com',
                    'private': 'https://api.hitbtc.com',
                },
                'www': 'https://hitbtc.com',
                'referral': 'https://hitbtc.com/?ref_id=5a5d39a65d466',
                'doc': [
                    'https://api.hitbtc.com',
                    'https://github.com/hitbtc-com/hitbtc-api/blob/master/APIv2.md',
                ],
                'fees': [
                    'https://hitbtc.com/fees-and-limits',
                    'https://support.hitbtc.com/hc/en-us/articles/115005148605-Fees-and-limits',
                ],
            },
            'api': {
                'public': {
                    'get': [
                        'currency',  # Available Currencies
                        'currency/{currency}',  # Get currency info
                        'symbol',  # Available Currency Symbols
                        'symbol/{symbol}',  # Get symbol info
                        'ticker',  # Ticker list for all symbols
                        'ticker/{symbol}',  # Ticker for symbol
                        'trades',
                        'trades/{symbol}',  # Trades
                        'orderbook',
                        'orderbook/{symbol}',  # Orderbook
                        'candles',
                        'candles/{symbol}',  # Candles
                    ],
                },
                'private': {
                    'get': [
                        'trading/balance',  # Get trading balance
                        'order',  # List your current open orders
                        'order/{clientOrderId}',  # Get a single order by clientOrderId
                        'trading/fee/all',  # Get trading fee rate
                        'trading/fee/{symbol}',  # Get trading fee rate
                        'margin/account',
                        'margin/account/{symbol}',
                        'margin/position',
                        'margin/position/{symbol}',
                        'margin/order',
                        'margin/order/{clientOrderId}',
                        'history/order',  # Get historical orders
                        'history/trades',  # Get historical trades
                        'history/order/{orderId}/trades',  # Get historical trades by specified order
                        'account/balance',  # Get main acccount balance
                        'account/crypto/address/{currency}',  # Get current address
                        'account/crypto/addresses/{currency}',  # Get last 10 deposit addresses for currency
                        'account/crypto/used-addresses/{currency}',  # Get last 10 unique addresses used for withdraw by currency
                        'account/crypto/estimate-withdraw',
                        'account/crypto/is-mine/{address}',
                        'account/transactions',  # Get account transactions
                        'account/transactions/{id}',  # Get account transaction by id
                        'sub-acc',
                        'sub-acc/acl',
                        'sub-acc/balance/{subAccountUserID}',
                        'sub-acc/deposit-address/{subAccountUserId}/{currency}',
                    ],
                    'post': [
                        'order',  # Create new order
                        'margin/order',
                        'account/crypto/address/{currency}',  # Create new crypto deposit address
                        'account/crypto/withdraw',  # Withdraw crypto
                        'account/crypto/transfer-convert',
                        'account/transfer',  # Transfer amount to trading account or to main account
                        'account/transfer/internal',
                        'sub-acc/freeze',
                        'sub-acc/activate',
                        'sub-acc/transfer',
                    ],
                    'put': [
                        'order/{clientOrderId}',  # Create new order
                        'margin/account/{symbol}',
                        'margin/order/{clientOrderId}',
                        'account/crypto/withdraw/{id}',  # Commit crypto withdrawal
                        'sub-acc/acl/{subAccountUserId}',
                    ],
                    'delete': [
                        'order',  # Cancel all open orders
                        'order/{clientOrderId}',  # Cancel order
                        'margin/account',
                        'margin/account/{symbol}',
                        'margin/position',
                        'margin/position/{symbol}',
                        'margin/order',
                        'margin/order/{clientOrderId}',
                        'account/crypto/withdraw/{id}',  # Rollback crypto withdrawal
                    ],
                    # outdated?
                    'patch': [
                        'order/{clientOrderId}',  # Cancel Replace order
                    ],
                },
            },
            'precisionMode': TICK_SIZE,
            'fees': {
                'trading': {
                    'tierBased': False,
                    'percentage': True,
                    'maker': 0.1 / 100,
                    'taker': 0.2 / 100,
                },
            },
            'options': {
                'defaultTimeInForce': 'FOK',
                'accountsByType': {
                    'bank': 'bank',
                    'exchange': 'exchange',
                    'main': 'bank',  # alias of the above
                    'trading': 'exchange',
                },
                'fetchBalanceMethod': {
                    'account': 'account',
                    'main': 'account',
                    'trading': 'trading',
                },
            },
            'commonCurrencies': {
                'AUTO': 'Cube',
                'BCC': 'BCC',  # initial symbol for Bitcoin Cash, now inactive
                'BET': 'DAO.Casino',
                'BOX': 'BOX Token',
                'CPT': 'Cryptaur',  # conflict with CPT = Contents Protocol https://github.com/ccxt/ccxt/issues/4920 and https://github.com/ccxt/ccxt/issues/6081
                'GET': 'Themis',
                'HSR': 'HC',
                'IQ': 'IQ.Cash',
                'LNC': 'LinkerCoin',
                'PLA': 'PlayChip',
                'PNT': 'Penta',
                'SBTC': 'Super Bitcoin',
                'STX': 'Stox',
                'TV': 'Tokenville',
                'USD': 'USDT',
                'XPNT': 'PNT',
            },
            'exceptions': {
                '504': RequestTimeout,  # {"error":{"code":504,"message":"Gateway Timeout"}}
                '1002': AuthenticationError,  # {"error":{"code":1002,"message":"Authorization failed","description":""}}
                '1003': PermissionDenied,  # "Action is forbidden for self API key"
                '2010': InvalidOrder,  # "Quantity not a valid number"
                '2001': BadSymbol,  # "Symbol not found"
                '2011': InvalidOrder,  # "Quantity too low"
                '2020': InvalidOrder,  # "Price not a valid number"
                '20002': OrderNotFound,  # canceling non-existent order
                '20001': InsufficientFunds,  # {"error":{"code":20001,"message":"Insufficient funds","description":"Check that the funds are sufficient, given commissions"}}
            },
        })

    def fee_to_precision(self, symbol, fee):
        return self.decimal_to_precision(fee, TRUNCATE, 8, DECIMAL_PLACES)

    def fetch_markets(self, params={}):
        response = self.publicGetSymbol(params)
        #
        #     [
        #         {
        #             "id":"BCNBTC",
        #             "baseCurrency":"BCN",
        #             "quoteCurrency":"BTC",
        #             "quantityIncrement":"100",
        #             "tickSize":"0.00000000001",
        #             "takeLiquidityRate":"0.002",
        #             "provideLiquidityRate":"0.001",
        #             "feeCurrency":"BTC"
        #         }
        #     ]
        #
        result = []
        for i in range(0, len(response)):
            market = response[i]
            id = self.safe_string(market, 'id')
            baseId = self.safe_string(market, 'baseCurrency')
            quoteId = self.safe_string(market, 'quoteCurrency')
            base = self.safe_currency_code(baseId)
            quote = self.safe_currency_code(quoteId)
            symbol = base + '/' + quote
            # bequant fix
            if id.find('_') >= 0:
                symbol = id
            lotString = self.safe_string(market, 'quantityIncrement')
            stepString = self.safe_string(market, 'tickSize')
            lot = self.parse_number(lotString)
            step = self.parse_number(stepString)
            precision = {
                'price': step,
                'amount': lot,
            }
            taker = self.safe_number(market, 'takeLiquidityRate')
            maker = self.safe_number(market, 'provideLiquidityRate')
            feeCurrencyId = self.safe_string(market, 'feeCurrency')
            feeCurrencyCode = self.safe_currency_code(feeCurrencyId)
            result.append(self.extend(self.fees['trading'], {
                'info': market,
                'id': id,
                'symbol': symbol,
                'base': base,
                'quote': quote,
                'baseId': baseId,
                'quoteId': quoteId,
                'active': True,
                'taker': taker,
                'maker': maker,
                'precision': precision,
                'feeCurrency': feeCurrencyCode,
                'limits': {
                    'amount': {
                        'min': lot,
                        'max': None,
                    },
                    'price': {
                        'min': step,
                        'max': None,
                    },
                    'cost': {
                        'min': self.parse_number(Precise.string_mul(lotString, stepString)),
                        'max': None,
                    },
                },
            }))
        return result

    def transfer(self, code, amount, fromAccount, toAccount, params={}):
        # account can be "exchange" or "bank", with aliases "main" or "trading" respectively
        self.load_markets()
        currency = self.currency(code)
        requestAmount = self.currency_to_precision(code, amount)
        request = {
            'currency': currency['id'],
            'amount': requestAmount,
        }
        type = self.safe_string(params, 'type')
        if type is None:
            accountsByType = self.safe_value(self.options, 'accountsByType', {})
            fromId = self.safe_string(accountsByType, fromAccount)
            toId = self.safe_string(accountsByType, toAccount)
            keys = list(accountsByType.keys())
            if fromId is None:
                raise ExchangeError(self.id + ' fromAccount must be one of ' + ', '.join(keys) + ' instead of ' + fromId)
            if toId is None:
                raise ExchangeError(self.id + ' toAccount must be one of ' + ', '.join(keys) + ' instead of ' + toId)
            if fromId == toId:
                raise ExchangeError(self.id + ' from and to cannot be the same account')
            type = fromId + 'To' + self.capitalize(toId)
        request['type'] = type
        response = self.privatePostAccountTransfer(self.extend(request, params))
        # {id: '2db6ebab-fb26-4537-9ef8-1a689472d236'}
        id = self.safe_string(response, 'id')
        return {
            'info': response,
            'id': id,
            'timestamp': None,
            'datetime': None,
            'amount': requestAmount,
            'currency': code,
            'fromAccount': fromAccount,
            'toAccount': toAccount,
            'status': None,
        }

    def fetch_currencies(self, params={}):
        response = self.publicGetCurrency(params)
        #
        #     [
        #         {
        #             "id":"XPNT",
        #             "fullName":"pToken",
        #             "crypto":true,
        #             "payinEnabled":true,
        #             "payinPaymentId":false,
        #             "payinConfirmations":9,
        #             "payoutEnabled":true,
        #             "payoutIsPaymentId":false,
        #             "transferEnabled":true,
        #             "delisted":false,
        #             "payoutFee":"26.510000000000",
        #             "precisionPayout":18,
        #             "precisionTransfer":8
        #         }
        #     ]
        #
        result = {}
        for i in range(0, len(response)):
            currency = response[i]
            id = self.safe_string(currency, 'id')
            # todo: will need to rethink the fees
            # to add support for multiple withdrawal/deposit methods and
            # differentiated fees for each particular method
            decimals = self.safe_integer(currency, 'precisionTransfer', 8)
            precision = 1 / math.pow(10, decimals)
            code = self.safe_currency_code(id)
            payin = self.safe_value(currency, 'payinEnabled')
            payout = self.safe_value(currency, 'payoutEnabled')
            transfer = self.safe_value(currency, 'transferEnabled')
            active = payin and payout and transfer
            if 'disabled' in currency:
                if currency['disabled']:
                    active = False
            type = 'fiat'
            if ('crypto' in currency) and currency['crypto']:
                type = 'crypto'
            name = self.safe_string(currency, 'fullName')
            result[code] = {
                'id': id,
                'code': code,
                'type': type,
                'payin': payin,
                'payout': payout,
                'transfer': transfer,
                'info': currency,
                'name': name,
                'active': active,
                'fee': self.safe_number(currency, 'payoutFee'),  # todo: redesign
                'precision': precision,
                'limits': {
                    'amount': {
                        'min': 1 / math.pow(10, decimals),
                        'max': math.pow(10, decimals),
                    },
                    'withdraw': {
                        'min': None,
                        'max': math.pow(10, precision),
                    },
                },
            }
        return result

    def fetch_trading_fee(self, symbol, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = self.extend({
            'symbol': market['id'],
        }, self.omit(params, 'symbol'))
        response = self.privateGetTradingFeeSymbol(request)
        #
        #     {
        #         takeLiquidityRate: '0.001',
        #         provideLiquidityRate: '-0.0001'
        #     }
        #
        return {
            'info': response,
            'maker': self.safe_number(response, 'provideLiquidityRate'),
            'taker': self.safe_number(response, 'takeLiquidityRate'),
        }

    def fetch_balance(self, params={}):
        self.load_markets()
        type = self.safe_string(params, 'type', 'trading')
        fetchBalanceAccounts = self.safe_value(self.options, 'fetchBalanceMethod', {})
        typeId = self.safe_string(fetchBalanceAccounts, type)
        if typeId is None:
            raise ExchangeError(self.id + ' fetchBalance account type must be either main or trading')
        method = 'privateGet' + self.capitalize(typeId) + 'Balance'
        query = self.omit(params, 'type')
        response = getattr(self, method)(query)
        #
        #     [
        #         {"currency":"SPI","available":"0","reserved":"0"},
        #         {"currency":"GRPH","available":"0","reserved":"0"},
        #         {"currency":"DGTX","available":"0","reserved":"0"},
        #     ]
        #
        result = {
            'info': response,
            'timestamp': None,
            'datetime': None,
        }
        for i in range(0, len(response)):
            balance = response[i]
            currencyId = self.safe_string(balance, 'currency')
            code = self.safe_currency_code(currencyId)
            account = self.account()
            account['free'] = self.safe_string(balance, 'available')
            account['used'] = self.safe_string(balance, 'reserved')
            result[code] = account
        return self.parse_balance(result, False)

    def parse_ohlcv(self, ohlcv, market=None):
        #
        #     {
        #         "timestamp":"2015-08-20T19:01:00.000Z",
        #         "open":"0.006",
        #         "close":"0.006",
        #         "min":"0.006",
        #         "max":"0.006",
        #         "volume":"0.003",
        #         "volumeQuote":"0.000018"
        #     }
        #
        return [
            self.parse8601(self.safe_string(ohlcv, 'timestamp')),
            self.safe_number(ohlcv, 'open'),
            self.safe_number(ohlcv, 'max'),
            self.safe_number(ohlcv, 'min'),
            self.safe_number(ohlcv, 'close'),
            self.safe_number(ohlcv, 'volume'),
        ]

    def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'symbol': market['id'],
            'period': self.timeframes[timeframe],
        }
        if since is not None:
            request['from'] = self.iso8601(since)
        if limit is not None:
            request['limit'] = limit
        response = self.publicGetCandlesSymbol(self.extend(request, params))
        #
        #     [
        #         {"timestamp":"2015-08-20T19:01:00.000Z","open":"0.006","close":"0.006","min":"0.006","max":"0.006","volume":"0.003","volumeQuote":"0.000018"},
        #         {"timestamp":"2015-08-20T19:03:00.000Z","open":"0.006","close":"0.006","min":"0.006","max":"0.006","volume":"0.013","volumeQuote":"0.000078"},
        #         {"timestamp":"2015-08-20T19:06:00.000Z","open":"0.0055","close":"0.005","min":"0.005","max":"0.0055","volume":"0.003","volumeQuote":"0.0000155"},
        #     ]
        #
        return self.parse_ohlcvs(response, market, timeframe, since, limit)

    def fetch_order_book(self, symbol, limit=None, params={}):
        self.load_markets()
        request = {
            'symbol': self.market_id(symbol),
        }
        if limit is not None:
            request['limit'] = limit  # default = 100, 0 = unlimited
        response = self.publicGetOrderbookSymbol(self.extend(request, params))
        return self.parse_order_book(response, symbol, None, 'bid', 'ask', 'price', 'size')

    def parse_ticker(self, ticker, market=None):
        timestamp = self.parse8601(ticker['timestamp'])
        symbol = None
        if market is not None:
            symbol = market['symbol']
        baseVolume = self.safe_number(ticker, 'volume')
        quoteVolume = self.safe_number(ticker, 'volumeQuote')
        open = self.safe_number(ticker, 'open')
        last = self.safe_number(ticker, 'last')
        change = None
        percentage = None
        average = None
        if last is not None and open is not None:
            change = last - open
            average = self.sum(last, open) / 2
            if open > 0:
                percentage = change / open * 100
        vwap = self.vwap(baseVolume, quoteVolume)
        return {
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': self.safe_number(ticker, 'high'),
            'low': self.safe_number(ticker, 'low'),
            'bid': self.safe_number(ticker, 'bid'),
            'bidVolume': None,
            'ask': self.safe_number(ticker, 'ask'),
            'askVolume': None,
            'vwap': vwap,
            'open': open,
            'close': last,
            'last': last,
            'previousClose': None,
            'change': change,
            'percentage': percentage,
            'average': average,
            'baseVolume': baseVolume,
            'quoteVolume': quoteVolume,
            'info': ticker,
        }

    def fetch_tickers(self, symbols=None, params={}):
        self.load_markets()
        response = self.publicGetTicker(params)
        result = {}
        for i in range(0, len(response)):
            ticker = response[i]
            marketId = self.safe_string(ticker, 'symbol')
            market = self.safe_market(marketId)
            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'],
        }
        response = self.publicGetTickerSymbol(self.extend(request, params))
        if 'message' in response:
            raise ExchangeError(self.id + ' ' + response['message'])
        return self.parse_ticker(response, market)

    def parse_trade(self, trade, market=None):
        # createMarketOrder
        #
        #  {      fee: "0.0004644",
        #           id:  386394956,
        #        price: "0.4644",
        #     quantity: "1",
        #    timestamp: "2018-10-25T16:41:44.780Z"}
        #
        # fetchTrades
        #
        # {id: 974786185,
        #   price: '0.032462',
        #   quantity: '0.3673',
        #   side: 'buy',
        #   timestamp: '2020-10-16T12:57:39.846Z'}
        #
        # fetchMyTrades
        #
        # {id: 277210397,
        #   clientOrderId: '6e102f3e7f3f4e04aeeb1cdc95592f1a',
        #   orderId: 28102855393,
        #   symbol: 'ETHBTC',
        #   side: 'sell',
        #   quantity: '0.002',
        #   price: '0.073365',
        #   fee: '0.000000147',
        #   timestamp: '2018-04-28T18:39:55.345Z'}
        timestamp = self.parse8601(trade['timestamp'])
        marketId = self.safe_string(trade, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = market['symbol']
        fee = None
        feeCost = self.safe_number(trade, 'fee')
        if feeCost is not None:
            feeCurrencyCode = market['feeCurrency'] if market else None
            fee = {
                'cost': feeCost,
                'currency': feeCurrencyCode,
            }
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        orderId = self.safe_string(trade, 'clientOrderId')
        priceString = self.safe_string(trade, 'price')
        amountString = self.safe_string(trade, 'quantity')
        price = self.parse_number(priceString)
        amount = self.parse_number(amountString)
        cost = self.parse_number(Precise.string_mul(priceString, amountString))
        side = self.safe_string(trade, 'side')
        id = self.safe_string(trade, 'id')
        return {
            'info': trade,
            'id': id,
            'order': orderId,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': symbol,
            'type': None,
            'side': side,
            'takerOrMaker': None,
            'price': price,
            'amount': amount,
            'cost': cost,
            'fee': fee,
        }

    def fetch_transactions(self, code=None, since=None, limit=None, params={}):
        self.load_markets()
        currency = None
        request = {}
        if code is not None:
            currency = self.currency(code)
            request['asset'] = currency['id']
        if since is not None:
            request['startTime'] = since
        response = self.privateGetAccountTransactions(self.extend(request, params))
        return self.parse_transactions(response, currency, since, limit)

    def parse_transaction(self, transaction, currency=None):
        #
        #     {
        #         id: 'd53ee9df-89bf-4d09-886e-849f8be64647',
        #         index: 1044718371,
        #         type: 'payout',
        #         status: 'success',
        #         currency: 'ETH',
        #         amount: '4.522683200000000000000000',
        #         createdAt: '2018-06-07T00:43:32.426Z',
        #         updatedAt: '2018-06-07T00:45:36.447Z',
        #         hash: '0x973e5683dfdf80a1fb1e0b96e19085b6489221d2ddf864daa46903c5ec283a0f',
        #         address: '0xC5a59b21948C1d230c8C54f05590000Eb3e1252c',
        #         fee: '0.00958',
        #     },
        #     {
        #         id: 'e6c63331-467e-4922-9edc-019e75d20ba3',
        #         index: 1044714672,
        #         type: 'exchangeToBank',
        #         status: 'success',
        #         currency: 'ETH',
        #         amount: '4.532263200000000000',
        #         createdAt: '2018-06-07T00:42:39.543Z',
        #         updatedAt: '2018-06-07T00:42:39.683Z',
        #     },
        #     {
        #         id: '3b052faa-bf97-4636-a95c-3b5260015a10',
        #         index: 1009280164,
        #         type: 'bankToExchange',
        #         status: 'success',
        #         currency: 'CAS',
        #         amount: '104797.875800000000000000',
        #         createdAt: '2018-05-19T02:34:36.750Z',
        #         updatedAt: '2018-05-19T02:34:36.857Z',
        #     },
        #     {
        #         id: 'd525249f-7498-4c81-ba7b-b6ae2037dc08',
        #         index: 1009279948,
        #         type: 'payin',
        #         status: 'success',
        #         currency: 'CAS',
        #         amount: '104797.875800000000000000',
        #         createdAt: '2018-05-19T02:30:16.698Z',
        #         updatedAt: '2018-05-19T02:34:28.159Z',
        #         hash: '0xa6530e1231de409cf1f282196ed66533b103eac1df2aa4a7739d56b02c5f0388',
        #         address: '0xd53ed559a6d963af7cb3f3fcd0e7ca499054db8b',
        #     }
        #
        #     {
        #         "id": "4f351f4f-a8ee-4984-a468-189ed590ddbd",
        #         "index": 3112719565,
        #         "type": "withdraw",
        #         "status": "success",
        #         "currency": "BCHOLD",
        #         "amount": "0.02423133",
        #         "createdAt": "2019-07-16T16:52:04.494Z",
        #         "updatedAt": "2019-07-16T16:54:07.753Z"
        #     }
        id = self.safe_string(transaction, 'id')
        timestamp = self.parse8601(self.safe_string(transaction, 'createdAt'))
        updated = self.parse8601(self.safe_string(transaction, 'updatedAt'))
        currencyId = self.safe_string(transaction, 'currency')
        code = self.safe_currency_code(currencyId, currency)
        status = self.parse_transaction_status(self.safe_string(transaction, 'status'))
        amount = self.safe_number(transaction, 'amount')
        address = self.safe_string(transaction, 'address')
        txid = self.safe_string(transaction, 'hash')
        fee = None
        feeCost = self.safe_number(transaction, 'fee')
        if feeCost is not None:
            fee = {
                'cost': feeCost,
                'currency': code,
            }
        type = self.parse_transaction_type(self.safe_string(transaction, 'type'))
        return {
            'info': transaction,
            'id': id,
            'txid': txid,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'address': address,
            'tag': None,
            'type': type,
            'amount': amount,
            'currency': code,
            'status': status,
            'updated': updated,
            'fee': fee,
        }

    def parse_transaction_status(self, status):
        statuses = {
            'pending': 'pending',
            'failed': 'failed',
            'success': 'ok',
        }
        return self.safe_string(statuses, status, status)

    def parse_transaction_type(self, type):
        types = {
            'payin': 'deposit',
            'payout': 'withdrawal',
            'withdraw': 'withdrawal',
        }
        return self.safe_string(types, type, type)

    def fetch_trades(self, symbol, since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'symbol': market['id'],
        }
        if limit is not None:
            request['limit'] = limit
        if since is not None:
            request['sort'] = 'ASC'
            request['from'] = self.iso8601(since)
        response = self.publicGetTradesSymbol(self.extend(request, params))
        return self.parse_trades(response, market, since, limit)

    def create_order(self, symbol, type, side, amount, price=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        # their max accepted length is 32 characters
        uuid = self.uuid()
        parts = uuid.split('-')
        clientOrderId = ''.join(parts)
        clientOrderId = clientOrderId[0:32]
        amount = float(amount)
        request = {
            'clientOrderId': clientOrderId,
            'symbol': market['id'],
            'side': side,
            'quantity': self.amount_to_precision(symbol, amount),
            'type': type,
        }
        if type == 'limit':
            request['price'] = self.price_to_precision(symbol, price)
        else:
            request['timeInForce'] = self.options['defaultTimeInForce']
        response = self.privatePostOrder(self.extend(request, params))
        order = self.parse_order(response)
        if order['status'] == 'rejected':
            raise InvalidOrder(self.id + ' order was rejected by the exchange ' + self.json(order))
        return order

    def edit_order(self, id, symbol, type, side, amount=None, price=None, params={}):
        self.load_markets()
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        # their max accepted length is 32 characters
        uuid = self.uuid()
        parts = uuid.split('-')
        requestClientId = ''.join(parts)
        requestClientId = requestClientId[0:32]
        request = {
            'clientOrderId': id,
            'requestClientId': requestClientId,
        }
        if amount is not None:
            request['quantity'] = self.amount_to_precision(symbol, amount)
        if price is not None:
            request['price'] = self.price_to_precision(symbol, price)
        response = self.privatePatchOrderClientOrderId(self.extend(request, params))
        return self.parse_order(response)

    def cancel_order(self, id, symbol=None, params={}):
        self.load_markets()
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        request = {
            'clientOrderId': id,
        }
        response = self.privateDeleteOrderClientOrderId(self.extend(request, params))
        return self.parse_order(response)

    def parse_order_status(self, status):
        statuses = {
            'new': 'open',
            'suspended': 'open',
            'partiallyFilled': 'open',
            'filled': 'closed',
            'canceled': 'canceled',
            'expired': 'failed',
        }
        return self.safe_string(statuses, status, status)

    def parse_order(self, order, market=None):
        #
        # createMarketOrder
        #
        #     {
        #         clientOrderId: "fe36aa5e190149bf9985fb673bbb2ea0",
        #         createdAt: "2018-10-25T16:41:44.780Z",
        #         cumQuantity: "1",
        #         id: "66799540063",
        #         quantity: "1",
        #         side: "sell",
        #         status: "filled",
        #         symbol: "XRPUSDT",
        #         timeInForce: "FOK",
        #         tradesReport: [
        #             {
        #                 fee: "0.0004644",
        #                 id:  386394956,
        #                 price: "0.4644",
        #                 quantity: "1",
        #                 timestamp: "2018-10-25T16:41:44.780Z"
        #             }
        #         ],
        #         type: "market",
        #         updatedAt: "2018-10-25T16:41:44.780Z"
        #     }
        #
        #     {
        #         "id": 119499457455,
        #         "clientOrderId": "87baab109d58401b9202fa0749cb8288",
        #         "symbol": "ETHUSD",
        #         "side": "buy",
        #         "status": "filled",
        #         "type": "market",
        #         "timeInForce": "FOK",
        #         "quantity": "0.0007",
        #         "price": "181.487",
        #         "avgPrice": "164.989",
        #         "cumQuantity": "0.0007",
        #         "createdAt": "2019-04-17T13:27:38.062Z",
        #         "updatedAt": "2019-04-17T13:27:38.062Z"
        #     }
        #
        created = self.parse8601(self.safe_string(order, 'createdAt'))
        updated = self.parse8601(self.safe_string(order, 'updatedAt'))
        marketId = self.safe_string(order, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = market['symbol']
        amount = self.safe_number(order, 'quantity')
        filled = self.safe_number(order, 'cumQuantity')
        status = self.parse_order_status(self.safe_string(order, 'status'))
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        id = self.safe_string(order, 'clientOrderId')
        clientOrderId = id
        price = self.safe_number(order, 'price')
        type = self.safe_string(order, 'type')
        side = self.safe_string(order, 'side')
        trades = self.safe_value(order, 'tradesReport')
        fee = None
        average = self.safe_number(order, 'avgPrice')
        if trades is not None:
            trades = self.parse_trades(trades, market)
        timeInForce = self.safe_string(order, 'timeInForce')
        return self.safe_order({
            'id': id,
            'clientOrderId': clientOrderId,  # https://github.com/ccxt/ccxt/issues/5674
            'timestamp': created,
            'datetime': self.iso8601(created),
            'lastTradeTimestamp': updated,
            'status': status,
            'symbol': symbol,
            'type': type,
            'timeInForce': timeInForce,
            'side': side,
            'price': price,
            'stopPrice': None,
            'average': average,
            'amount': amount,
            'cost': None,
            'filled': filled,
            'remaining': None,
            'fee': fee,
            'trades': trades,
            'info': order,
        })

    def fetch_order(self, id, symbol=None, params={}):
        self.load_markets()
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        request = {
            'clientOrderId': id,
        }
        response = self.privateGetHistoryOrder(self.extend(request, params))
        numOrders = len(response)
        if numOrders > 0:
            return self.parse_order(response[0])
        raise OrderNotFound(self.id + ' order ' + id + ' not found')

    def fetch_open_order(self, id, symbol=None, params={}):
        self.load_markets()
        # we use clientOrderId as the order id with self exchange intentionally
        # because most of their endpoints will require clientOrderId
        # explained here: https://github.com/ccxt/ccxt/issues/5674
        request = {
            'clientOrderId': id,
        }
        response = self.privateGetOrderClientOrderId(self.extend(request, params))
        return self.parse_order(response)

    def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
        self.load_markets()
        market = None
        request = {}
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        response = self.privateGetOrder(self.extend(request, params))
        return self.parse_orders(response, market, since, limit)

    def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
        self.load_markets()
        market = None
        request = {}
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        if limit is not None:
            request['limit'] = limit
        if since is not None:
            request['from'] = self.iso8601(since)
        response = self.privateGetHistoryOrder(self.extend(request, params))
        parsedOrders = self.parse_orders(response, market)
        orders = []
        for i in range(0, len(parsedOrders)):
            order = parsedOrders[i]
            status = order['status']
            if (status == 'closed') or (status == 'canceled'):
                orders.append(order)
        return self.filter_by_since_limit(orders, since, limit)

    def fetch_my_trades(self, symbol=None, since=None, limit=None, params={}):
        self.load_markets()
        request = {
            # 'symbol': 'BTC/USD',  # optional
            # 'sort':   'DESC',  # or 'ASC'
            # 'by':     'timestamp',  # or 'id' String timestamp by default, or id
            # 'from':   'Datetime or Number',  # ISO 8601
            # 'till':   'Datetime or Number',
            # 'limit':  100,
            # 'offset': 0,
        }
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        if since is not None:
            request['from'] = self.iso8601(since)
        if limit is not None:
            request['limit'] = limit
        response = self.privateGetHistoryTrades(self.extend(request, params))
        #
        #     [
        #         {
        #         "id": 9535486,
        #         "clientOrderId": "f8dbaab336d44d5ba3ff578098a68454",
        #         "orderId": 816088377,
        #         "symbol": "ETHBTC",
        #         "side": "sell",
        #         "quantity": "0.061",
        #         "price": "0.045487",
        #         "fee": "0.000002775",
        #         "timestamp": "2017-05-17T12:32:57.848Z"
        #         },
        #         {
        #         "id": 9535437,
        #         "clientOrderId": "27b9bfc068b44194b1f453c7af511ed6",
        #         "orderId": 816088021,
        #         "symbol": "ETHBTC",
        #         "side": "buy",
        #         "quantity": "0.038",
        #         "price": "0.046000",
        #         "fee": "-0.000000174",
        #         "timestamp": "2017-05-17T12:30:57.848Z"
        #         }
        #     ]
        #
        return self.parse_trades(response, market, since, limit)

    def fetch_order_trades(self, id, symbol=None, since=None, limit=None, params={}):
        # The id needed here is the exchange's id, and not the clientOrderID,
        # which is the id that is stored in the unified order id
        # To get the exchange's id you need to grab it from order['info']['id']
        self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        request = {
            'orderId': id,
        }
        response = self.privateGetHistoryOrderOrderIdTrades(self.extend(request, params))
        numOrders = len(response)
        if numOrders > 0:
            return self.parse_trades(response, market, since, limit)
        raise OrderNotFound(self.id + ' order ' + id + ' not found, ' + self.id + '.fetchOrderTrades() requires an exchange-specific order id, you need to grab it from order["info"]["id"]')

    def create_deposit_address(self, code, params={}):
        self.load_markets()
        currency = self.currency(code)
        request = {
            'currency': currency['id'],
        }
        response = self.privatePostAccountCryptoAddressCurrency(self.extend(request, params))
        address = self.safe_string(response, 'address')
        self.check_address(address)
        tag = self.safe_string(response, 'paymentId')
        return {
            'currency': currency,
            'address': address,
            'tag': tag,
            'info': response,
        }

    def fetch_deposit_address(self, code, params={}):
        self.load_markets()
        currency = self.currency(code)
        request = {
            'currency': currency['id'],
        }
        response = self.privateGetAccountCryptoAddressCurrency(self.extend(request, params))
        address = self.safe_string(response, 'address')
        self.check_address(address)
        tag = self.safe_string(response, 'paymentId')
        return {
            'currency': currency['code'],
            'address': address,
            'tag': tag,
            'info': response,
        }

    def withdraw(self, code, amount, address, tag=None, params={}):
        self.load_markets()
        self.check_address(address)
        currency = self.currency(code)
        request = {
            'currency': currency['id'],
            'amount': float(amount),
            'address': address,
        }
        if tag:
            request['paymentId'] = tag
        response = self.privatePostAccountCryptoWithdraw(self.extend(request, params))
        return {
            'info': response,
            'id': response['id'],
        }

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

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        url = '/api/' + self.version + '/'
        query = self.omit(params, self.extract_params(path))
        if api == 'public':
            url += api + '/' + self.implode_params(path, params)
            if query:
                url += '?' + self.urlencode(query)
        else:
            self.check_required_credentials()
            url += self.implode_params(path, params)
            if method == 'GET':
                if query:
                    url += '?' + self.urlencode(query)
            elif query:
                body = self.json(query)
            payload = self.encode(self.apiKey + ':' + self.secret)
            auth = self.string_to_base64(payload)
            headers = {
                'Authorization': 'Basic ' + self.decode(auth),
                'Content-Type': 'application/json',
            }
        url = self.urls['api'][api] + url
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def handle_errors(self, code, reason, url, method, headers, body, response, requestHeaders, requestBody):
        if response is None:
            return
        if code >= 400:
            feedback = self.id + ' ' + body
            # {"code":504,"message":"Gateway Timeout","description":""}
            if (code == 503) or (code == 504):
                raise ExchangeNotAvailable(feedback)
            # fallback to default error handler on rate limit errors
            # {"code":429,"message":"Too many requests","description":"Too many requests"}
            if code == 429:
                return
            # {"error":{"code":20002,"message":"Order not found","description":""}}
            if body[0] == '{':
                if 'error' in response:
                    errorCode = self.safe_string(response['error'], 'code')
                    self.throw_exactly_matched_exception(self.exceptions, errorCode, feedback)
                    message = self.safe_string(response['error'], 'message')
                    if message == 'Duplicate clientOrderId':
                        raise InvalidOrder(feedback)
            raise ExchangeError(feedback)
