# -*- coding: utf-8 -*-

# PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
# https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code

from ccxt.base.exchange import Exchange
from ccxt.base.errors import ExchangeError
from ccxt.base.errors import AuthenticationError
from ccxt.base.errors import ArgumentsRequired
from ccxt.base.errors import BadSymbol
from ccxt.base.errors import OrderNotFound
from ccxt.base.errors import RateLimitExceeded
from ccxt.base.errors import ExchangeNotAvailable


class bw(Exchange):

    def describe(self):
        return self.deep_extend(super(bw, self).describe(), {
            'id': 'bw',
            'name': 'BW',
            'countries': ['CN'],
            'rateLimit': 1500,
            'version': 'v1',
            'has': {
                'cancelAllOrders': False,
                'cancelOrder': True,
                'cancelOrders': False,
                'CORS': False,
                'createDepositAddress': False,
                'createLimitOrder': True,
                'createMarketOrder': False,
                'createOrder': True,
                'deposit': False,
                'editOrder': False,
                'fetchBalance': True,
                'fetchBidsAsks': False,
                'fetchClosedOrders': True,
                'fetchCurrencies': True,
                'fetchDepositAddress': True,
                'fetchDeposits': True,
                'fetchFundingFees': False,
                'fetchL2OrderBook': False,
                'fetchLedger': False,
                'fetchMarkets': True,
                'fetchMyTrades': False,
                'fetchOHLCV': True,
                'fetchOpenOrders': True,
                'fetchOrder': True,
                'fetchOrderBook': True,
                'fetchOrderBooks': False,
                'fetchOrders': True,
                'fetchTicker': True,
                'fetchTickers': True,
                'fetchTrades': True,
                'fetchTradingFee': False,
                'fetchTradingFees': False,
                'fetchTradingLimits': False,
                'fetchTransactions': False,
                'fetchWithdrawals': True,
                'privateAPI': False,
                'publicAPI': False,
                'withdraw': False,
            },
            'timeframes': {
                '1m': '1M',
                '5m': '5M',
                '15m': '15M',
                '30m': '30M',
                '1h': '1H',
                '1w': '1W',
            },
            'hostname': 'bw.com',  # set to 'bw.io' for China mainland
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/1294454/69436317-31128c80-0d52-11ea-91d1-eb7bb5818812.jpg',
                'api': 'https://www.{hostname}',
                'www': 'https://www.bw.com',
                'doc': 'https://github.com/bw-exchange/api_docs_en/wiki',
                'fees': 'https://www.bw.com/feesRate',
                'referral': 'https://www.bw.com/regGetCommission/N3JuT1R3bWxKTE0',
            },
            'requiredCredentials': {
                'apiKey': True,
                'secret': True,
            },
            'fees': {
                'trading': {
                    'tierBased': False,
                    'percentage': True,
                    'taker': 0.2 / 100,
                    'maker': 0.2 / 100,
                },
                'funding': {
                },
            },
            'exceptions': {
                'exact': {
                    '999': AuthenticationError,
                    '1000': ExchangeNotAvailable,  # {"datas":null,"resMsg":{"message":"getKlines error:data not exitsts\uff0cplease wait ,dataType=4002_KLINE_1M","method":null,"code":"1000"}}
                    '2012': OrderNotFound,  # {"datas":null,"resMsg":{"message":"entrust not exists or on dealing with system","method":null,"code":"2012"}}
                    '5017': BadSymbol,  # {"datas":null,"resMsg":{"message":"market not exist","method":null,"code":"5017"}}
                    '10001': RateLimitExceeded,  # {"resMsg":{"code":"10001","message":"API frequency limit"}}
                },
            },
            'api': {
                'public': {
                    'get': [
                        'api/data/v1/klines',
                        'api/data/v1/ticker',
                        'api/data/v1/tickers',
                        'api/data/v1/trades',
                        'api/data/v1/entrusts',
                        'exchange/config/controller/website/marketcontroller/getByWebId',
                        'exchange/config/controller/website/currencycontroller/getCurrencyList',
                    ],
                },
                'private': {
                    'get': [
                        'exchange/entrust/controller/website/EntrustController/getEntrustById',
                        'exchange/entrust/controller/website/EntrustController/getUserEntrustRecordFromCacheWithPage',
                        'exchange/entrust/controller/website/EntrustController/getUserEntrustList',
                        'exchange/fund/controller/website/fundwebsitecontroller/getwithdrawaddress',
                        'exchange/fund/controller/website/fundwebsitecontroller/getpayoutcoinrecord',
                        'exchange/entrust/controller/website/EntrustController/getUserEntrustList',
                        # the docs say that the following URLs are HTTP POST
                        # in the docs header and HTTP GET in the docs body
                        # the docs contradict themselves, a typo most likely
                        # the actual HTTP method is POST for self endpoint
                        # 'exchange/fund/controller/website/fundcontroller/getPayinAddress',
                        # 'exchange/fund/controller/website/fundcontroller/getPayinCoinRecord',
                    ],
                    'post': [
                        'exchange/fund/controller/website/fundcontroller/getPayinAddress',  # see the comment above
                        'exchange/fund/controller/website/fundcontroller/getPayinCoinRecord',  # see the comment above
                        'exchange/fund/controller/website/fundcontroller/findbypage',
                        'exchange/entrust/controller/website/EntrustController/addEntrust',
                        'exchange/entrust/controller/website/EntrustController/cancelEntrust',
                    ],
                },
            },
        })

    def fetch_markets(self, params={}):
        response = self.publicGetExchangeConfigControllerWebsiteMarketcontrollerGetByWebId(params)
        #
        #     {
        #         "datas": [
        #             {
        #                 "orderNum":null,
        #                 "leverEnable":true,
        #                 "leverMultiple":10,
        #                 "marketId":"291",
        #                 "webId":"102",
        #                 "serverId":"entrust_bw_23",
        #                 "name":"eos_usdt",
        #                 "leverType":"2",
        #                 "buyerCurrencyId":"11",
        #                 "sellerCurrencyId":"7",
        #                 "amountDecimal":4,
        #                 "priceDecimal":3,
        #                 "minAmount":"0.0100000000",
        #                 "state":1,
        #                 "openTime":1572537600000,
        #                 "defaultFee":"0.00200000",
        #                 "createUid":null,
        #                 "createTime":0,
        #                 "modifyUid":null,
        #                 "modifyTime":1574160113735,
        #                 "combineMarketId":"",
        #                 "isCombine":0,
        #                 "isMining":0
        #             }
        #         ],
        #         "resMsg": {"message":"success !", "method":null, "code":"1"}
        #     }
        #
        markets = self.safe_value(response, 'datas', [])
        result = []
        for i in range(0, len(markets)):
            market = markets[i]
            id = self.safe_string(market, 'marketId')
            numericId = int(id)
            name = self.safe_string_upper(market, 'name')
            base, quote = name.split('_')
            base = self.safe_currency_code(base)
            quote = self.safe_currency_code(quote)
            baseId = self.safe_string(market, 'sellerCurrencyId')
            quoteId = self.safe_string(market, 'buyerCurrencyId')
            baseNumericId = int(baseId)
            quoteNumericId = int(quoteId)
            symbol = base + '/' + quote
            state = self.safe_integer(market, 'state')
            active = (state == 1)
            fee = self.safe_float(market, 'defaultFee')
            result.append({
                'id': id,
                'active': active,
                'numericId': numericId,
                'symbol': symbol,
                'base': base,
                'quote': quote,
                'baseId': baseId,
                'quoteId': quoteId,
                'baseNumericId': baseNumericId,
                'quoteNumericId': quoteNumericId,
                'maker': fee,
                'taker': fee,
                'info': market,
                'precision': {
                    'amount': self.safe_integer(market, 'amountDecimal'),
                    'price': self.safe_integer(market, 'priceDecimal'),
                },
                'limits': {
                    'amount': {
                        'min': self.safe_float(market, 'minAmount'),
                        'max': None,
                    },
                    'price': {
                        'min': 0,
                        'max': None,
                    },
                    'cost': {
                        'min': 0,
                        'max': None,
                    },
                },
            })
        return result

    def fetch_currencies(self, params={}):
        response = self.publicGetExchangeConfigControllerWebsiteCurrencycontrollerGetCurrencyList(params)
        #
        #     {
        #         "datas":[
        #             {
        #                 "currencyId":"456",
        #                 "name":"pan",
        #                 "alias":"pan",
        #                 "logo":"pan.svg",
        #                 "description":"pan",
        #                 "descriptionEnglish":"pan",
        #                 "defaultDecimal":2,
        #                 "createUid":null,
        #                 "createTime":1574068133762,
        #                 "modifyUid":null,
        #                 "modifyTime":0,
        #                 "state":1,
        #                 "mark":"pan",
        #                 "totalNumber":"0",
        #                 "publishNumber":"0",
        #                 "marketValue":"0",
        #                 "isLegalCoin":0,
        #                 "needBlockUrl":1,
        #                 "blockChainUrl":"https://etherscan.io/tx/",
        #                 "tradeSearchUrl":null,
        #                 "tokenCoinsId":0,
        #                 "isMining":"0",
        #                 "arithmetic":null,
        #                 "founder":"bw_nxwal",
        #                 "teamAddress":null,
        #                 "remark":null,
        #                 "tokenName":"ethw2",
        #                 "isMemo":0,
        #                 "websiteCurrencyId":"7rhqoHLohkG",
        #                 "drawFlag":0,
        #                 "rechargeFlag":1,
        #                 "drawFee":"0.03000000",
        #                 "onceDrawLimit":100,
        #                 "dailyDrawLimit":500,
        #                 "timesFreetrial":"0",
        #                 "hourFreetrial":"0",
        #                 "dayFreetrial":"0",
        #                 "minFee":"0",
        #                 "inConfigTimes":7,
        #                 "outConfigTimes":7,
        #                 "minCash":"0.06000000",
        #                 "limitAmount":"0",
        #                 "zbExist":false,
        #                 "zone":1
        #             },
        #         ],
        #         "resMsg": {"message":"success !", "method":null, "code":"1"}
        #     }
        #
        currencies = self.safe_value(response, 'datas', [])
        result = {}
        for i in range(0, len(currencies)):
            currency = currencies[i]
            id = self.safe_string(currency, 'currencyId')
            code = self.safe_currency_code(self.safe_string_upper(currency, 'name'))
            state = self.safe_integer(currency, 'state')
            active = state == 1
            result[code] = {
                'id': id,
                'code': code,
                'info': currency,
                'name': code,
                'active': active,
                'fee': self.safe_float(currency, 'drawFee'),
                'precision': None,
                'limits': {
                    'amount': {
                        'min': self.safe_float(currency, 'limitAmount', 0),
                        'max': None,
                    },
                    'price': {
                        'min': None,
                        'max': None,
                    },
                    'cost': {
                        'min': None,
                        'max': None,
                    },
                    'withdraw': {
                        'min': None,
                        'max': self.safe_float(currency, 'onceDrawLimit'),
                    },
                },
            }
        return result

    def parse_ticker(self, ticker, market=None):
        #
        #     [
        #         "281",            # market id
        #         "9754.4",         # last
        #         "9968.8",         # high
        #         "9631.5",         # low
        #         "47865.6432",     # base volume
        #         "-2.28",          # change
        #         # closing price for last 6 hours
        #         "[[1, 9750.1], [2, 9737.1], [3, 9727.5], [4, 9722], [5, 9722.1], [6, 9754.4]]",
        #         "9752.12",        # bid
        #         "9756.69",        # ask
        #         "469849357.2364"  # quote volume
        #     ]
        #
        marketId = self.safe_string(ticker, 0)
        symbol = self.safe_symbol(marketId, market)
        timestamp = self.milliseconds()
        close = float(self.safe_value(ticker, 1))
        bid = self.safe_value(ticker, 'bid', {})
        ask = self.safe_value(ticker, 'ask', {})
        return {
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': float(self.safe_value(ticker, 2)),
            'low': float(self.safe_value(ticker, 3)),
            'bid': float(self.safe_value(ticker, 7)),
            'bidVolume': self.safe_float(bid, 'quantity'),
            'ask': float(self.safe_value(ticker, 8)),
            'askVolume': self.safe_float(ask, 'quantity'),
            'vwap': None,
            'open': None,
            'close': close,
            'last': close,
            'previousClose': None,
            'change': float(self.safe_value(ticker, 5)),
            'percentage': None,
            'average': None,
            'baseVolume': float(self.safe_value(ticker, 4)),
            'quoteVolume': float(self.safe_value(ticker, 9)),
            'info': ticker,
        }

    def fetch_ticker(self, symbol, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
        }
        response = self.publicGetApiDataV1Ticker(self.extend(request, params))
        #
        #     {
        #         "datas": [
        #             "281",
        #             "7601.99",
        #             "8126.5",
        #             "7474.68",
        #             "47004.8708",
        #             "-6.18",
        #             "[[1, 7800.34], [2, 7626.41], [3, 7609.97], [4, 7569.04], [5, 7577.93], [6, 7601.99]]",
        #             "7600.24",
        #             "7603.69",
        #             "371968300.0119",
        #         ],
        #         "resMsg": {"message": "success !", "method": null, "code": "1"}
        #     }
        #
        ticker = self.safe_value(response, 'datas', [])
        return self.parse_ticker(ticker, market)

    def fetch_tickers(self, symbols=None, params={}):
        self.load_markets()
        response = self.publicGetApiDataV1Tickers(params)
        #
        #     {
        #         "datas": [
        #             [
        #                 "4051",
        #                 "0.00194",
        #                 "0.00863",
        #                 "0.0012",
        #                 "1519020",
        #                 "-38.22",
        #                 "[[1, 0.0023], [2, 0.00198], [3, 0.00199], [4, 0.00195], [5, 0.00199], [6, 0.00194]]",
        #                 "0.00123",
        #                 "0.0045",
        #                 "4466.8104",
        #             ],
        #         ],
        #         "resMsg": {"message": "success !", "method": null, "code": "1"},
        #     }
        #
        datas = self.safe_value(response, 'datas', [])
        result = {}
        for i in range(0, len(datas)):
            ticker = self.parse_ticker(datas[i])
            symbol = ticker['symbol']
            if (symbols is None) or self.in_array(symbol, symbols):
                result[symbol] = ticker
        return self.filter_by_array(result, 'symbol', symbols)

    def fetch_order_book(self, symbol, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
        }
        if limit is not None:
            request['dataSize'] = limit
        response = self.publicGetApiDataV1Entrusts(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "asks": [
        #                 ["9740.43", "0.0083"],
        #             ],
        #             "bids": [
        #                 ["9734.33", "0.0133"],
        #             ],
        #             "timestamp": "1569303520",
        #         },
        #         "resMsg": {
        #             "message": "success !",
        #             "method": null,
        #             "code": "1",
        #         },
        #     }
        #
        orderbook = self.safe_value(response, 'datas', [])
        timestamp = self.safe_timestamp(orderbook, 'timestamp')
        return self.parse_order_book(orderbook, timestamp)

    def parse_trade(self, trade, market=None):
        #
        # fetchTrades(public)
        #
        #     [
        #         "T",          # trade
        #         "281",        # market id
        #         "1569303302",  # timestamp
        #         "BTC_USDT",   # market name
        #         "ask",        # side
        #         "9745.08",    # price
        #         "0.0026"      # amount
        #     ]
        #
        # fetchMyTrades(private)
        #
        #     ...
        #
        timestamp = self.safe_timestamp(trade, 2)
        price = self.safe_float(trade, 5)
        amount = self.safe_float(trade, 6)
        marketId = self.safe_string(trade, 1)
        symbol = None
        if marketId is not None:
            if marketId in self.markets_by_id:
                market = self.markets_by_id[marketId]
            else:
                marketName = self.safe_string(trade, 3)
                baseId, quoteId = marketName.split('_')
                base = self.safe_currency_code(baseId)
                quote = self.safe_currency_code(quoteId)
                symbol = base + '/' + quote
        if (symbol is None) and (market is not None):
            symbol = market['symbol']
        cost = None
        if amount is not None:
            if price is not None:
                cost = self.cost_to_precision(symbol, price * amount)
        sideString = self.safe_string(trade, 4)
        side = 'sell' if (sideString == 'ask') else 'buy'
        return {
            'id': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': symbol,
            'order': None,
            'type': 'limit',
            'side': side,
            'takerOrMaker': None,
            'price': price,
            'amount': amount,
            'cost': float(cost),
            'fee': None,
            'info': trade,
        }

    def fetch_trades(self, symbol, since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
        }
        if limit is not None:
            request['dataSize'] = limit  # max 20
        response = self.publicGetApiDataV1Trades(self.extend(request, params))
        #
        #     {
        #         "datas": [
        #             [
        #                 "T",          # trade
        #                 "281",        # market id
        #                 "1569303302",  # timestamp
        #                 "BTC_USDT",   # market name
        #                 "ask",        # side
        #                 "9745.08",    # price
        #                 "0.0026"      # amount
        #             ],
        #         ],
        #         "resMsg": {"code": "1", "method": null, "message": "success !"},
        #     }
        #
        trades = self.safe_value(response, 'datas', [])
        return self.parse_trades(trades, market, since, limit)

    def parse_ohlcv(self, ohlcv, market=None):
        #
        #     [
        #         "K",
        #         "305",
        #         "eth_btc",
        #         "1591511280",
        #         "0.02504",
        #         "0.02504",
        #         "0.02504",
        #         "0.02504",
        #         "0.0123",
        #         "0",
        #         "285740.17",
        #         "1M",
        #         "false",
        #         "0.000308"
        #     ]
        #
        return [
            self.safe_timestamp(ohlcv, 3),
            self.safe_float(ohlcv, 4),
            self.safe_float(ohlcv, 5),
            self.safe_float(ohlcv, 6),
            self.safe_float(ohlcv, 7),
            self.safe_float(ohlcv, 8),
        ]

    def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
            'type': self.timeframes[timeframe],
            'dataSize': 500,
        }
        if limit is not None:
            request['dataSize'] = limit
        response = self.publicGetApiDataV1Klines(self.extend(request, params))
        #
        #     {
        #         "datas":[
        #             ["K","305","eth_btc","1591511280","0.02504","0.02504","0.02504","0.02504","0.0123","0","285740.17","1M","false","0.000308"],
        #             ["K","305","eth_btc","1591511220","0.02504","0.02504","0.02504","0.02504","0.0006","0","285740.17","1M","false","0.00001502"],
        #             ["K","305","eth_btc","1591511100","0.02505","0.02505","0.02504","0.02504","0.0012","-0.0399","285740.17","1M","false","0.00003005"],
        #         ],
        #         "resMsg":{"code":"1","method":null,"message":"success !"}
        #     }
        #
        data = self.safe_value(response, 'datas', [])
        return self.parse_ohlcvs(data, market, timeframe, since, limit)

    def fetch_balance(self, params={}):
        self.load_markets()
        response = self.privatePostExchangeFundControllerWebsiteFundcontrollerFindbypage(params)
        #
        #     {
        #         "datas": {
        #             "totalRow": 6,
        #             "pageSize": 99,
        #             "list": [
        #                 {
        #                     "amount": "0.000090000000000000",  # The current number of tokens available
        #                     "currencyTypeId": 2,              # Token ID
        #                     "freeze": "0.009900000000000000",  # Current token freezing quantity
        #                 },
        #             ],
        #             "pageNum": 1,
        #         },
        #         "resMsg": {"code": "1", "message": "success !"}
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        balances = self.safe_value(data, 'list', [])
        result = {'info': response}
        for i in range(0, len(balances)):
            balance = balances[i]
            currencyId = self.safe_string(balance, 'currencyTypeId')
            code = self.safe_currency_code(currencyId)
            account = self.account()
            account['free'] = self.safe_float(balance, 'amount')
            account['used'] = self.safe_float(balance, 'freeze')
            result[code] = account
        return self.parse_balance(result)

    def create_order(self, symbol, type, side, amount, price=None, params={}):
        if price is None:
            raise ExchangeError(self.id + ' allows limit orders only')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'amount': self.amount_to_precision(symbol, amount),
            'price': self.price_to_precision(symbol, price),
            'type': 1 if (side == 'buy') else 0,
            'rangeType': 0,  # limit order
            'marketId': market['id'],
        }
        response = self.privatePostExchangeEntrustControllerWebsiteEntrustControllerAddEntrust(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "entrustId": "E6581105708337483776",
        #         },
        #         "resMsg": {
        #             "message": "success !",
        #             "method": null,
        #             "code": "1"
        #         }
        #     }
        #
        data = self.safe_value(response, 'datas')
        id = self.safe_string(data, 'entrustId')
        return {
            'id': id,
            'info': response,
            'timestamp': None,
            'datetime': None,
            'lastTradeTimestamp': None,
            'symbol': symbol,
            'type': type,
            'side': side,
            'price': price,
            'amount': amount,
            'cost': None,
            'average': None,
            'filled': None,
            'remaining': None,
            'status': 'open',
            'fee': None,
            'trades': None,
            'clientOrderId': None,
        }

    def parse_order_status(self, status):
        statuses = {
            '-3': 'canceled',
            '-2': 'canceled',
            '-1': 'canceled',
            '0': 'open',
            '1': 'canceled',
            '2': 'closed',
            '3': 'open',
            '4': 'canceled',
        }
        return self.safe_string(statuses, status, status)

    def parse_order(self, order, market=None):
        #
        # fetchOrder, fetchOpenOrders, fetchClosedOrders
        #
        #     {
        #         "entrustId": "E6581108027628212224",  # Order id
        #         "price": "1450",                     # price
        #         "rangeType": 0,                      # Commission type 0: limit price commission 1: interval commission
        #         "amount": "14.05",                   # Order quantity
        #         "totalMoney": "20372.50",            # Total order amount
        #         "completeAmount": "0",               # Quantity sold
        #         "completeTotalMoney": "0",           # Total dealt amount
        #         "type": 1,                           # 0 = sell, 1 = buy, -1 = cancel
        #         "entrustType": 0,                    # 0 = ordinary current price commission, 1 = lever commission
        #         "status": 0,                         #
        #         "marketId": "318",                   # The market id
        #         "createTime": 1569058424861,         # Create time
        #         "availabelAmount": "14.05"           # Outstanding quantity, typo in the docs or in the API, availabel vs available
        #     }
        #
        marketId = self.safe_string(order, 'marketId')
        symbol = self.safe_symbol(marketId, market)
        timestamp = self.safe_integer(order, 'createTime')
        side = self.safe_string(order, 'type')
        if side == '0':
            side = 'sell'
        elif side == '1':
            side = 'buy'
        amount = self.safe_float(order, 'amount')
        price = self.safe_float(order, 'price')
        filled = self.safe_float(order, 'completeAmount')
        remaining = self.safe_float_2(order, 'availabelAmount', 'availableAmount')  # typo in the docs or in the API, availabel vs available
        cost = self.safe_float(order, 'totalMoney')
        if filled is not None:
            if amount is not None:
                if remaining is None:
                    remaining = amount - filled
            if cost is None:
                if price is not None:
                    cost = filled * cost
        status = self.parse_order_status(self.safe_string(order, 'status'))
        return {
            'info': order,
            'id': self.safe_string(order, 'entrustId'),
            'clientOrderId': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': None,
            'symbol': symbol,
            'type': 'limit',
            'timeInForce': None,
            'postOnly': None,
            'side': side,
            'price': price,
            'stopPrice': None,
            'amount': amount,
            'cost': cost,
            'average': None,
            'filled': filled,
            'remaining': remaining,
            'status': status,
            'fee': None,
            'trades': None,
        }

    def fetch_order(self, id, symbol=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchOrder() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
            'entrustId': id,
        }
        response = self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetEntrustById(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "entrustId": "E6581108027628212224",  # Order id
        #             "price": "1450",                     # price
        #             "rangeType": 0,                      # Commission type 0: limit price commission 1: interval commission
        #             "amount": "14.05",                   # Order quantity
        #             "totalMoney": "20372.50",            # Total order amount
        #             "completeAmount": "0",               # Quantity sold
        #             "completeTotalMoney": "0",           # Total dealt amount
        #             "type": 1,                           # Trade direction, 0: sell, 1: buy, -1: cancel
        #             "entrustType": 0,                    # Commission type, 0: ordinary current price commission, 1: lever commission
        #             "status": 0,                         # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
        #             "marketId": "318",                   # The market id
        #             "createTime": 1569058424861,         # Create time
        #             "availabelAmount": "14.05"           # Outstanding quantity
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"}
        #     }
        #
        order = self.safe_value(response, 'datas', {})
        return self.parse_order(order, market)

    def cancel_order(self, id, symbol=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' cancelOrder() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
            'entrustId': id,
        }
        response = self.privatePostExchangeEntrustControllerWebsiteEntrustControllerCancelEntrust(self.extend(request, params))
        #
        #     {
        #         "datas": null,
        #         "resMsg": {"message": "success !", "method": null, "code": "1"}
        #     }
        #
        return {
            'info': response,
            'id': id,
        }

    def fetch_open_orders(self, symbol=None, since=None, limit=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchOpenOrders() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
            # 'pageSize': limit,  # documented as required, but it works without it
            # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
        }
        if limit is not None:
            request['pageSize'] = limit  # default limit is 20
        response = self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustRecordFromCacheWithPage(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "pageNum": 1,
        #             "pageSize": 2,
        #             "totalPage": 20,
        #             "totalRow": 40,
        #             "entrustList": [
        #                 {
        #                     "amount": "14.050000000000000000",        # Order quantity
        #                     "rangeType": 0,                           # Commission type 0: limit price commission 1: interval commission
        #                     "totalMoney": "20372.500000000000000000",  # Total order amount
        #                     "entrustId": "E6581108027628212224",      # Order id
        #                     "type": 1,                                # Trade direction, 0: sell, 1: buy, -1: cancel
        #                     "completeAmount": "0",                    # Quantity sold
        #                     "marketId": "318",                        # The market id
        #                     "createTime": 1569058424861,              # Create time
        #                     "price": "1450.000000000",                # price
        #                     "completeTotalMoney": "0",                # Quantity sold
        #                     "entrustType": 0,                         # Commission type, 0: ordinary current price commission, 1: lever commission
        #                     "status": 0                               # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
        #                 },
        #             ],
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"},
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        orders = self.safe_value(data, 'entrustList', [])
        return self.parse_orders(orders, market, since, limit)

    def fetch_closed_orders(self, symbol=None, since=None, limit=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchClosedOrders() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
        }
        if limit is not None:
            request['pageSize'] = limit  # default limit is 20
        if since is not None:
            request['startDateTime'] = since
        response = self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustList(self.extend(request, params))
        data = self.safe_value(response, 'datas', {})
        orders = self.safe_value(data, 'entrustList', [])
        return self.parse_orders(orders, market, since, limit)

    def fetch_orders(self, symbol=None, since=None, limit=None, params={}):
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchOpenOrders() requires a symbol argument')
        self.load_markets()
        market = self.market(symbol)
        request = {
            'marketId': market['id'],
            # 'pageSize': limit,  # documented as required, but it works without it
            # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
            # 'type': 0,  # 0 = sell, 1 = buy, -1 = cancel
            # 'status': -1,  # -1 = insufficient funds, failed orders, 0 = pending orders, 1 = canceled, 2 = closed, 3 = partial
            # 'startDateTime': since,
            # 'endDateTime': self.milliseconds(),
        }
        if since is not None:
            request['startDateTime'] = since
        if limit is not None:
            request['pageSize'] = limit  # default limit is 20
        response = self.privateGetExchangeEntrustControllerWebsiteEntrustControllerGetUserEntrustList(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "pageNum": 1,
        #             "pageSize": 2,
        #             "totalPage": 20,
        #             "totalRow": 40,
        #             "entrustList": [
        #                 {
        #                     "amount": "14.050000000000000000",        # Order quantity
        #                     "rangeType": 0,                           # Commission type 0: limit price commission 1: interval commission
        #                     "totalMoney": "20372.500000000000000000",  # Total order amount
        #                     "entrustId": "E6581108027628212224",      # Order id
        #                     "type": 1,                                # Trade direction, 0: sell, 1: buy, -1: cancel
        #                     "completeAmount": "0",                    # Quantity sold
        #                     "marketId": "318",                        # The market id
        #                     "createTime": 1569058424861,              # Create time
        #                     "price": "1450.000000000",                # price
        #                     "completeTotalMoney": "0",                # Quantity sold
        #                     "entrustType": 0,                         # Commission type, 0: ordinary current price commission, 1: lever commission
        #                     "status": 0                               # Order status,-3:fund Freeze exception,Order status to be confirmed  -2: fund freeze failure, order failure, -1: insufficient funds, order failure, 0: pending order, 1: cancelled, 2: dealt, 3: partially dealt
        #                 },
        #             ],
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"},
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        orders = self.safe_value(data, 'entrustList', [])
        return self.parse_orders(orders, market, since, limit)

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        url = self.implode_params(self.urls['api'], {'hostname': self.hostname}) + '/' + path
        if method == 'GET':
            if params:
                url += '?' + self.urlencode(params)
        else:
            body = self.json(params)
        if api == 'private':
            ms = str(self.milliseconds())
            content = ''
            if method == 'GET':
                sortedParams = self.keysort(params)
                keys = list(sortedParams.keys())
                for i in range(0, len(keys)):
                    key = keys[i]
                    content += key + str(sortedParams[key])
            else:
                content = body
            signature = self.apiKey + ms + content + self.secret
            hash = self.hash(self.encode(signature), 'md5')
            if not headers:
                headers = {}
            headers['Apiid'] = self.apiKey
            headers['Timestamp'] = ms
            headers['Sign'] = hash
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def fetch_deposit_address(self, code, params={}):
        self.load_markets()
        currency = self.currency(code)
        request = {
            'currencyTypeName': currency['name'],
        }
        response = self.privatePostExchangeFundControllerWebsiteFundcontrollerGetPayinAddress(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "isMemo": True,                                # 是否为memo 格式，false：否，true ：是
        #             "address": "bweosdeposit_787928102918558272",  # 充币地址
        #             "memo": "787928102918558272",                  # 币种memo
        #             "account": "bweosdeposit"                      # 币种账户
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"}
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        address = self.safe_string(data, 'address')
        tag = self.safe_string(data, 'memo')
        self.check_address(address)
        return {
            'currency': code,
            'address': self.check_address(address),
            'tag': tag,
            'info': response,
        }

    def parse_transaction_status(self, status):
        statuses = {
            '-1': 'canceled',  # or auditing failed
            '0': 'pending',
            '1': 'ok',
        }
        return self.safe_string(statuses, status, status)

    def parse_transaction(self, transaction, currency=None):
        #
        # fetchDeposits
        #
        #     {
        #         "depositId": "D6574268549744189441",                  # Deposit ID
        #         "amount": "54.753589700000000000",                    # Deposit amount
        #         "txId": "INNER_SYSTEM_TRANSFER_1198941",              # Trading ID
        #         "confirmTimes": 0,                                    # Confirmation number
        #         "depositAddress": "bweosdeposit_787928102918558272",  # Deposit address
        #         "createTime": "2019-09-02 20:36:08.0",                # Deposit time
        #         "status": 1,                                          # Deposit status, 0: not received, 1: received
        #         "currencyTypeId": 7,                                  # Token ID
        #     }
        #
        # fetchWithdrawals
        #
        #     {
        #         "withdrawalId": "W6527498439872634880",      # Withdrawal ID
        #         "fees": "0.500000000000000000",              # Withdrawal fee
        #         "withdrawalAddress": "okbtothemoon_941657",  # Withdrawal address
        #         "currencyId": "7",                           # Token ID
        #         "amount": "10.000000000000000000",           # Withdrawal amount
        #         "state": 1,                                  # Status, 1: normal, -1: del         #         "verifyStatus": 1,                           # Audit status, 0: to be audited, 1: auditing passed, -1: auditing failed
        #         "createTime": 1556276903656,                 # WIthdrawal time
        #         "actuallyAmount": "9.500000000000000000",    # Actual amount received
        #     }
        #
        id = self.safe_string(transaction, 'depositId', 'withdrawalId')
        address = self.safe_string_2(transaction, 'depositAddress', 'withdrawalAddress')
        currencyId = self.safe_string_2(transaction, 'currencyId', 'currencyTypeId')
        code = None
        if currencyId in self.currencies_by_id:
            currency = self.currencies_by_id[currencyId]
        if (code is None) and (currency is not None):
            code = currency['code']
        type = 'deposit' if ('depositId' in transaction) else 'withdrawal'
        amount = self.safe_float_2(transaction, 'actuallyAmount', 'amount')
        status = self.parse_transaction_status(self.safe_string_2(transaction, 'verifyStatus', 'state'))
        timestamp = self.safe_integer(transaction, 'createTime')
        txid = self.safe_string(transaction, 'txId')
        fee = None
        feeCost = self.safe_float(transaction, 'fees')
        if feeCost is not None:
            fee = {
                'cost': feeCost,
                'currency': code,
            }
        return {
            'info': transaction,
            'id': id,
            'txid': txid,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'addressFrom': None,
            'address': address,
            'addressTo': None,
            'tagFrom': None,
            'tag': None,
            'tagTo': None,
            'type': type,
            'amount': amount,
            'currency': code,
            'status': status,
            'updated': None,
            'fee': fee,
        }

    def fetch_deposits(self, code=None, since=None, limit=None, params={}):
        if code is None:
            raise ArgumentsRequired(self.id + ' fetchDeposits() requires a currency code argument')
        self.load_markets()
        currency = self.currency(code)
        request = {
            'currencyTypeName': currency['name'],
            # 'pageSize': limit,  # documented as required, but it works without it
            # 'pageNum': 0,  # also works without it, most likely a typo in the docs
            # 'sort': 1,  # 1 = asc, 0 = desc
        }
        if limit is not None:
            request['pageSize'] = limit  # default 50
        response = self.privatePostExchangeFundControllerWebsiteFundcontrollerGetPayinCoinRecord(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "totalRow":2,
        #             "totalPage": 1,
        #             "pageSize": 2,
        #             "pageNum": 1,
        #             "list": [
        #                 {
        #                     "depositId": "D6574268549744189441",                  # Deposit ID
        #                     "amount": "54.753589700000000000",                    # Deposit amount
        #                     "txId": "INNER_SYSTEM_TRANSFER_1198941",              # Trading ID
        #                     "confirmTimes": 0,                                    # Confirmation number
        #                     "depositAddress": "bweosdeposit_787928102918558272",  # Deposit address
        #                     "createTime": "2019-09-02 20:36:08.0",                # Deposit time
        #                     "status": 1,                                          # Deposit status, 0: not received, 1: received
        #                     "currencyTypeId": 7,                                  # Token ID
        #                 },
        #             ]
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"},
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        deposits = self.safe_value(data, 'list', [])
        return self.parse_transactions(deposits, code, since, limit)

    def fetch_withdrawals(self, code=None, since=None, limit=None, params={}):
        if code is None:
            raise ArgumentsRequired(self.id + ' fetchWithdrawals() requires a currency code argument')
        self.load_markets()
        currency = self.currency(code)
        request = {
            'currencyId': currency['id'],
            # 'pageSize': limit,  # documented as required, but it works without it
            # 'pageIndex': 0,  # also works without it, most likely a typo in the docs
            # 'tab': 'all',  # all, wait(submitted, not audited), success(auditing passed), fail(auditing failed), cancel(canceled by user)
        }
        if limit is not None:
            request['pageSize'] = limit  # default 50
        response = self.privateGetExchangeFundControllerWebsiteFundwebsitecontrollerGetpayoutcoinrecord(self.extend(request, params))
        #
        #     {
        #         "datas": {
        #             "totalRow": 1,
        #             "totalPage": 1,
        #             "pageSize": 2,
        #             "pageNum": 1,
        #             "list": [
        #                 {
        #                     "withdrawalId": "W6527498439872634880",      # Withdrawal ID
        #                     "fees": "0.500000000000000000",              # Withdrawal fee
        #                     "withdrawalAddress": "okbtothemoon_941657",  # Withdrawal address
        #                     "currencyId": "7",                           # Token ID
        #                     "amount": "10.000000000000000000",           # Withdrawal amount
        #                     "state": 1,                                  # Status, 1: normal, -1: del         #                     "verifyStatus": 1,                           # Audit status, 0: to be audited, 1: auditing passed, -1: auditing failed
        #                     "createTime": 1556276903656,                 # WIthdrawal time
        #                     "actuallyAmount": "9.500000000000000000",    # Actual amount received
        #                 },
        #             ],
        #         },
        #         "resMsg": {"message": "success !", "method": null, "code": "1"},
        #     }
        #
        data = self.safe_value(response, 'datas', {})
        withdrawals = self.safe_value(data, 'list', [])
        return self.parse_transactions(withdrawals, code, since, limit)

    def handle_errors(self, httpCode, reason, url, method, headers, body, response, requestHeaders, requestBody):
        if not response:
            return  # default error handler
        resMsg = self.safe_value(response, 'resMsg')
        errorCode = self.safe_string(resMsg, 'code')
        if errorCode != '1':
            feedback = self.id + ' ' + self.json(response)
            self.throw_exactly_matched_exception(self.exceptions['exact'], errorCode, feedback)
            raise ExchangeError(feedback)  # unknown error
