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

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

from ccxt.async_support.base.exchange import Exchange
from ccxt.abstract.digifinex import ImplicitAPI
import asyncio
import hashlib
import json
from ccxt.base.types import Any, Balances, BorrowInterest, CrossBorrowRate, CrossBorrowRates, Currencies, Currency, DepositAddress, Int, LedgerEntry, LeverageTier, LeverageTiers, MarginModification, Market, Num, Order, OrderBook, OrderRequest, OrderSide, OrderType, Position, Str, Strings, Ticker, Tickers, FundingRate, Trade, TradingFeeInterface, Transaction, TransferEntry
from typing import List
from ccxt.base.errors import ExchangeError
from ccxt.base.errors import AuthenticationError
from ccxt.base.errors import PermissionDenied
from ccxt.base.errors import AccountSuspended
from ccxt.base.errors import ArgumentsRequired
from ccxt.base.errors import BadRequest
from ccxt.base.errors import BadSymbol
from ccxt.base.errors import InsufficientFunds
from ccxt.base.errors import InvalidAddress
from ccxt.base.errors import InvalidOrder
from ccxt.base.errors import OrderNotFound
from ccxt.base.errors import NotSupported
from ccxt.base.errors import NetworkError
from ccxt.base.errors import DDoSProtection
from ccxt.base.errors import RateLimitExceeded
from ccxt.base.errors import InvalidNonce
from ccxt.base.errors import BadResponse
from ccxt.base.decimal_to_precision import TICK_SIZE
from ccxt.base.precise import Precise


class digifinex(Exchange, ImplicitAPI):

    def describe(self) -> Any:
        return self.deep_extend(super(digifinex, self).describe(), {
            'id': 'digifinex',
            'name': 'DigiFinex',
            'countries': ['SG'],
            'version': 'v3',
            'rateLimit': 900,  # 300 for posts
            'has': {
                'CORS': None,
                'spot': True,
                'margin': True,
                'swap': True,
                'future': False,
                'option': False,
                'addMargin': True,
                'cancelOrder': True,
                'cancelOrders': True,
                'createMarketBuyOrderWithCost': True,
                'createMarketOrderWithCost': False,
                'createMarketSellOrderWithCost': False,
                'createOrder': True,
                'createOrders': True,
                'createPostOnlyOrder': True,
                'createReduceOnlyOrder': True,
                'createStopLimitOrder': False,
                'createStopMarketOrder': False,
                'createStopOrder': False,
                'fetchBalance': True,
                'fetchBorrowInterest': True,
                'fetchBorrowRateHistories': False,
                'fetchBorrowRateHistory': False,
                'fetchCrossBorrowRate': True,
                'fetchCrossBorrowRates': True,
                'fetchCurrencies': True,
                'fetchDepositAddress': True,
                'fetchDepositAddresses': False,
                'fetchDepositAddressesByNetwork': False,
                'fetchDeposits': True,
                'fetchDepositWithdrawFee': 'emulated',
                'fetchDepositWithdrawFees': True,
                'fetchFundingHistory': True,
                'fetchFundingInterval': True,
                'fetchFundingIntervals': False,
                'fetchFundingRate': True,
                'fetchFundingRateHistory': True,
                'fetchFundingRates': False,
                'fetchIndexOHLCV': False,
                'fetchIsolatedBorrowRate': False,
                'fetchIsolatedBorrowRates': False,
                'fetchLedger': True,
                'fetchLeverage': False,
                'fetchLeverageTiers': True,
                'fetchMarginMode': False,
                'fetchMarketLeverageTiers': True,
                'fetchMarkets': True,
                'fetchMarkOHLCV': False,
                'fetchMyTrades': True,
                'fetchOHLCV': True,
                'fetchOpenOrders': True,
                'fetchOrder': True,
                'fetchOrderBook': True,
                'fetchOrders': True,
                'fetchPosition': True,
                'fetchPositionMode': False,
                'fetchPositions': True,
                'fetchPositionsRisk': False,
                'fetchPremiumIndexOHLCV': False,
                'fetchStatus': True,
                'fetchTicker': True,
                'fetchTickers': True,
                'fetchTime': True,
                'fetchTrades': True,
                'fetchTradingFee': True,
                'fetchTradingFees': False,
                'fetchTransfers': True,
                'fetchWithdrawals': True,
                'reduceMargin': True,
                'setLeverage': True,
                'setMargin': False,
                'setMarginMode': True,
                'setPositionMode': False,
                'transfer': True,
                'withdraw': True,
            },
            'timeframes': {
                '1m': '1',
                '5m': '5',
                '15m': '15',
                '30m': '30',
                '1h': '60',
                '4h': '240',
                '12h': '720',
                '1d': '1D',
                '1w': '1W',
            },
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/51840849/87443315-01283a00-c5fe-11ea-8628-c2a0feaf07ac.jpg',
                'api': {
                    'rest': 'https://openapi.digifinex.com',
                },
                'www': 'https://www.digifinex.com',
                'doc': [
                    'https://docs.digifinex.com',
                ],
                'fees': 'https://digifinex.zendesk.com/hc/en-us/articles/360000328422-Fee-Structure-on-DigiFinex',
                'referral': 'https://www.digifinex.com/en-ww/from/DhOzBg?channelCode=ljaUPp',
            },
            'api': {
                'public': {
                    'spot': {
                        'get': [
                            '{market}/symbols',
                            'kline',
                            'margin/currencies',
                            'margin/symbols',
                            'markets',
                            'order_book',
                            'ping',
                            'spot/symbols',
                            'time',
                            'trades',
                            'trades/symbols',
                            'ticker',
                            'currencies',
                        ],
                    },
                    'swap': {
                        'get': [
                            'public/api_weight',
                            'public/candles',
                            'public/candles_history',
                            'public/depth',
                            'public/funding_rate',
                            'public/funding_rate_history',
                            'public/instrument',
                            'public/instruments',
                            'public/ticker',
                            'public/tickers',
                            'public/time',
                            'public/trades',
                        ],
                    },
                },
                'private': {
                    'spot': {
                        'get': [
                            '{market}/financelog',
                            '{market}/mytrades',
                            '{market}/order',
                            '{market}/order/detail',
                            '{market}/order/current',
                            '{market}/order/history',
                            'margin/assets',
                            'margin/financelog',
                            'margin/mytrades',
                            'margin/order',
                            'margin/order/current',
                            'margin/order/history',
                            'margin/positions',
                            'otc/financelog',
                            'spot/assets',
                            'spot/financelog',
                            'spot/mytrades',
                            'spot/order',
                            'spot/order/current',
                            'spot/order/history',
                            'deposit/address',
                            'deposit/history',
                            'withdraw/history',
                        ],
                        'post': [
                            '{market}/order/cancel',
                            '{market}/order/new',
                            '{market}/order/batch_new',
                            'margin/order/cancel',
                            'margin/order/new',
                            'margin/position/close',
                            'spot/order/cancel',
                            'spot/order/new',
                            'transfer',
                            'withdraw/new',
                            'withdraw/cancel',
                        ],
                    },
                    'swap': {
                        'get': [
                            'account/balance',
                            'account/positions',
                            'account/finance_record',
                            'account/trading_fee_rate',
                            'account/transfer_record',
                            'account/funding_fee',
                            'trade/history_orders',
                            'trade/history_trades',
                            'trade/open_orders',
                            'trade/order_info',
                        ],
                        'post': [
                            'account/transfer',
                            'account/leverage',
                            'account/position_mode',
                            'account/position_margin',
                            'trade/batch_cancel_order',
                            'trade/batch_order',
                            'trade/cancel_order',
                            'trade/order_place',
                            'follow/sponsor_order',
                            'follow/close_order',
                            'follow/cancel_order',
                            'follow/user_center_current',
                            'follow/user_center_history',
                            'follow/expert_current_open_order',
                            'follow/add_algo',
                            'follow/cancel_algo',
                            'follow/account_available',
                            'follow/plan_task',
                            'follow/instrument_list',
                        ],
                    },
                },
            },
            'features': {
                'default': {
                    'sandbox': False,
                    'createOrder': {
                        'marginMode': True,
                        'triggerPrice': False,
                        'triggerPriceType': None,
                        'triggerDirection': False,
                        'stopLossPrice': False,
                        'takeProfitPrice': False,
                        'attachedStopLossTakeProfit': None,
                        'timeInForce': {
                            'IOC': False,
                            'FOK': False,
                            'PO': True,
                            'GTD': False,
                        },
                        'hedged': False,
                        'selfTradePrevention': False,
                        'trailing': False,
                        'leverage': False,
                        'marketBuyByCost': False,
                        'marketBuyRequiresPrice': False,
                        'iceberg': False,
                    },
                    'createOrders': {
                        'max': 10,
                    },
                    'fetchMyTrades': {
                        'marginMode': True,
                        'limit': 500,
                        'daysBack': 100000,  # todo
                        'untilDays': 30,
                        'symbolRequired': False,
                    },
                    'fetchOrder': {
                        'marginMode': True,
                        'trigger': False,
                        'trailing': False,
                        'marketType': True,
                        'symbolRequired': True,
                    },
                    'fetchOpenOrders': {
                        'marginMode': True,
                        'limit': None,
                        'trigger': False,
                        'trailing': False,
                        'symbolRequired': False,
                    },
                    'fetchOrders': {
                        'marginMode': True,
                        'limit': 100,
                        'daysBack': 100000,  # todo
                        'untilDays': 30,
                        'trigger': False,
                        'trailing': False,
                        'symbolRequired': False,
                    },
                    'fetchClosedOrders': None,
                    'fetchOHLCV': {
                        'limit': 500,
                    },
                },
                'spot': {
                    'extends': 'default',
                },
                'forDerivatives': {
                    'extends': 'default',
                    'createOrders': {
                        'max': 20,
                        'marginMode': False,
                    },
                    'fetchMyTrades': {
                        'marginMode': False,
                        'limit': 100,
                        'daysBack': 100000,  # todo
                        'untilDays': 100000,  # todo
                    },
                    'fetchOrder': {
                        'marginMode': False,
                    },
                    'fetchOpenOrders': {
                        'marginMode': False,
                        'limit': 100,
                    },
                    'fetchOrders': {
                        'marginMode': False,
                        'daysBack': 100000,  # todo
                    },
                    'fetchOHLCV': {
                        'limit': 100,
                    },
                },
                'swap': {
                    'linear': {
                        'extends': 'forDerivatives',
                    },
                    'inverse': {
                        'extends': 'forDerivatives',
                    },
                },
                'future': {
                    'linear': None,
                    'inverse': None,
                },
            },
            'fees': {
                'trading': {
                    'tierBased': True,
                    'percentage': True,
                    'maker': self.parse_number('0.002'),
                    'taker': self.parse_number('0.002'),
                },
            },
            'precisionMode': TICK_SIZE,
            'exceptions': {
                'exact': {
                    '10001': [BadRequest, "Wrong request method, please check it's a GET ot POST request"],
                    '10002': [AuthenticationError, 'Invalid ApiKey'],
                    '10003': [AuthenticationError, "Sign doesn't match"],
                    '10004': [BadRequest, 'Illegal request parameters'],
                    '10005': [DDoSProtection, 'Request frequency exceeds the limit'],
                    '10006': [PermissionDenied, 'Unauthorized to execute self request'],
                    '10007': [PermissionDenied, 'IP address Unauthorized'],
                    '10008': [InvalidNonce, 'Timestamp for self request is invalid, timestamp must within 1 minute'],
                    '10009': [NetworkError, 'Unexist endpoint, please check endpoint URL'],
                    '10011': [AccountSuspended, 'ApiKey expired. Please go to client side to re-create an ApiKey'],
                    '20001': [PermissionDenied, 'Trade is not open for self trading pair'],
                    '20002': [PermissionDenied, 'Trade of self trading pair is suspended'],
                    '20003': [InvalidOrder, 'Invalid price or amount'],
                    '20007': [InvalidOrder, 'Price precision error'],
                    '20008': [InvalidOrder, 'Amount precision error'],
                    '20009': [InvalidOrder, 'Amount is less than the minimum requirement'],
                    '20010': [InvalidOrder, 'Cash Amount is less than the minimum requirement'],
                    '20011': [InsufficientFunds, 'Insufficient balance'],
                    '20012': [BadRequest, 'Invalid trade type, valid value: buy/sell)'],
                    '20013': [InvalidOrder, 'No order info found'],
                    '20014': [BadRequest, 'Invalid date, Valid format: 2018-07-25)'],
                    '20015': [BadRequest, 'Date exceeds the limit'],
                    '20018': [PermissionDenied, 'Your trading rights have been banned by the system'],
                    '20019': [BadSymbol, 'Wrong trading pair symbol. Correct format:"usdt_btc". Quote asset is in the front'],
                    '20020': [DDoSProtection, "You have violated the API operation trading rules and temporarily forbid trading. At present, we have certain restrictions on the user's transaction rate and withdrawal rate."],
                    '50000': [ExchangeError, 'Exception error'],
                    '20021': [BadRequest, 'Invalid currency'],
                    '20022': [BadRequest, 'The ending timestamp must be larger than the starting timestamp'],
                    '20023': [BadRequest, 'Invalid transfer type'],
                    '20024': [BadRequest, 'Invalid amount'],
                    '20025': [BadRequest, 'This currency is not transferable at the moment'],
                    '20026': [InsufficientFunds, 'Transfer amount exceed your balance'],
                    '20027': [PermissionDenied, 'Abnormal account status'],
                    '20028': [PermissionDenied, 'Blacklist for transfer'],
                    '20029': [PermissionDenied, 'Transfer amount exceed your daily limit'],
                    '20030': [BadRequest, 'You have no position on self trading pair'],
                    '20032': [PermissionDenied, 'Withdrawal limited'],
                    '20033': [BadRequest, 'Wrong Withdrawal ID'],
                    '20034': [PermissionDenied, 'Withdrawal service of self crypto has been closed'],
                    '20035': [PermissionDenied, 'Withdrawal limit'],
                    '20036': [ExchangeError, 'Withdrawal cancellation failed'],
                    '20037': [InvalidAddress, 'The withdrawal address, Tag or chain type is not included in the withdrawal management list'],
                    '20038': [InvalidAddress, 'The withdrawal address is not on the white list'],
                    '20039': [ExchangeError, "Can't be canceled in current status"],
                    '20040': [RateLimitExceeded, 'Withdraw too frequently; limitation: 3 times a minute, 100 times a day'],
                    '20041': [PermissionDenied, 'Beyond the daily withdrawal limit'],
                    '20042': [BadSymbol, 'Current trading pair does not support API trading'],
                    '400002': [BadRequest, 'Invalid Parameter'],
                },
                'broad': {
                },
            },
            'options': {
                'defaultType': 'spot',
                'types': ['spot', 'margin', 'otc'],
                'createMarketBuyOrderRequiresPrice': True,
                'accountsByType': {
                    'spot': '1',
                    'margin': '2',
                    'OTC': '3',
                },
                'networks': {
                    'ARBITRUM': 'Arbitrum',
                    'AVALANCEC': 'AVAX-CCHAIN',
                    'AVALANCEX': 'AVAX-XCHAIN',
                    'BEP20': 'BEP20',
                    'BSC': 'BEP20',
                    'CARDANO': 'Cardano',
                    'CELO': 'Celo',
                    'CHILIZ': 'Chiliz',
                    'COSMOS': 'COSMOS',
                    'CRC20': 'Crypto.com',
                    'CRONOS': 'Crypto.com',
                    'DOGECOIN': 'DogeChain',
                    'ERC20': 'ERC20',
                    'ETH': 'ERC20',
                    'ETHW': 'ETHW',
                    'IOTA': 'MIOTA',
                    'KLAYTN': 'KLAY',
                    'MATIC': 'Polygon',
                    'METIS': 'MetisDAO',
                    'MOONBEAM': 'GLMR',
                    'MOONRIVER': 'Moonriver',
                    'OPTIMISM': 'OPETH',
                    'POLYGON': 'Polygon',
                    'RIPPLE': 'XRP',
                    'SOLANA': 'SOL',  # SOL & SPL
                    'STELLAR': 'Stella',  # XLM
                    'TERRACLASSIC': 'TerraClassic',
                    'TERRA': 'Terra',
                    'TON': 'Ton',
                    'TRC20': 'TRC20',
                    'TRON': 'TRC20',
                    'TRX': 'TRC20',
                    'VECHAIN': 'Vechain',  # VET
                },
                'networksById': {
                    'TRC20': 'TRC20',
                    'TRX': 'TRC20',
                    'BEP20': 'BEP20',
                    'BSC': 'BEP20',
                    'ERC20': 'ERC20',
                    'ETH': 'ERC20',
                    'Polygon': 'POLYGON',
                    'Crypto.com': 'CRONOS',
                },
            },
            'commonCurrencies': {
                'BHT': 'Black House Test',
                'EPS': 'Epanus',
                'FREE': 'FreeRossDAO',
                'MBN': 'Mobilian Coin',
                'TEL': 'TEL666',
            },
        })

    async def fetch_currencies(self, params={}) -> Currencies:
        """
        fetches all available currencies on an exchange
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an associative dictionary of currencies
        """
        response = await self.publicSpotGetCurrencies(params)
        #
        #     {
        #         "data":[
        #             {
        #                 "deposit_status":1,
        #                 "min_deposit_amount":10,
        #                 "withdraw_fee_rate":0,
        #                 "min_withdraw_amount":10,
        #                 "min_withdraw_fee":5,
        #                 "currency":"USDT",
        #                 "withdraw_fee_currency":"USDT",
        #                 "withdraw_status":0,
        #                 "chain":"OMNI"
        #             },
        #             {
        #                 "deposit_status":1,
        #                 "min_deposit_amount":10,
        #                 "withdraw_fee_rate":0,
        #                 "min_withdraw_amount":10,
        #                 "min_withdraw_fee":3,
        #                 "currency":"USDT",
        #                 "withdraw_fee_currency":"USDT",
        #                 "withdraw_status":1,
        #                 "chain":"ERC20"
        #             },
        #             {
        #                 "deposit_status":0,
        #                 "min_deposit_amount":0,
        #                 "withdraw_fee_rate":0,
        #                 "min_withdraw_amount":0,
        #                 "min_withdraw_fee":0,
        #                 "currency":"DGF13",
        #                 "withdraw_fee_currency":"DGF13",
        #                 "withdraw_status":0,
        #                 "chain":""
        #             },
        #         ],
        #         "code":200
        #     }
        #
        data = self.safe_list(response, 'data', [])
        groupedById = self.group_by(data, 'currency')
        keys = list(groupedById.keys())
        result: dict = {}
        for i in range(0, len(keys)):
            id = keys[i]
            networkEntries = groupedById[id]
            code = self.safe_currency_code(id)
            networks = {}
            for j in range(0, len(networkEntries)):
                networkEntry = networkEntries[j]
                networkId = self.safe_string_2(networkEntry, 'chain', 'currency')
                networkCode = self.network_id_to_code(networkId)
                networks[networkCode] = {
                    'id': networkId,
                    'network': networkCode,
                    'active': None,
                    'deposit': self.safe_integer(networkEntry, 'deposit_status') == 1,
                    'withdraw': self.safe_integer(networkEntry, 'withdraw_status') == 1,
                    'fee': self.safe_number(networkEntry, 'min_withdraw_fee'),
                    'precision': None,
                    'limits': {
                        'withdraw': {
                            'min': self.safe_number(networkEntry, 'min_withdraw_amount'),
                            'max': None,
                        },
                        'deposit': {
                            'min': self.safe_number(networkEntry, 'min_deposit_amount'),
                            'max': None,
                        },
                    },
                    'info': networkEntry,
                }
            result[code] = self.safe_currency_structure({
                'id': id,
                'code': code,
                'info': networkEntries,
                'networks': networks,
            })
        return result

    async def fetch_markets(self, params={}) -> List[Market]:
        """
        retrieves data on all markets for digifinex
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: an array of objects representing market data
        """
        options = self.safe_value(self.options, 'fetchMarkets', {})
        method = self.safe_string(options, 'method', 'fetch_markets_v2')
        if method == 'fetch_markets_v2':
            return await self.fetch_markets_v2(params)
        return await self.fetch_markets_v1(params)

    async def fetch_markets_v2(self, params={}):
        defaultType = self.safe_string(self.options, 'defaultType')
        marginMode, query = self.handle_margin_mode_and_params('fetchMarketsV2', params)
        promisesRaw = []
        if marginMode is not None:
            promisesRaw.append(self.publicSpotGetMarginSymbols(query))
        else:
            promisesRaw.append(self.publicSpotGetTradesSymbols(query))
        promisesRaw.append(self.publicSwapGetPublicInstruments(params))
        promises = await asyncio.gather(*promisesRaw)
        spotMarkets = promises[0]
        swapMarkets = promises[1]
        #
        # spot and margin
        #
        #     {
        #         "symbol_list":[
        #             {
        #                 "order_types":["LIMIT","MARKET"],
        #                 "quote_asset":"USDT",
        #                 "minimum_value":2,
        #                 "amount_precision":4,
        #                 "status":"TRADING",
        #                 "minimum_amount":0.0001,
        #                 "symbol":"BTC_USDT",
        #                 "is_allow":1,
        #                 "zone":"MAIN",
        #                 "base_asset":"BTC",
        #                 "price_precision":2
        #             }
        #         ],
        #         "code":0
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "type": "REAL",
        #                 "contract_type": "PERPETUAL",
        #                 "base_currency": "BTC",
        #                 "quote_currency": "USDT",
        #                 "clear_currency": "USDT",
        #                 "contract_value": "0.001",
        #                 "contract_value_currency": "BTC",
        #                 "is_inverse": False,
        #                 "is_trading": True,
        #                 "status": "ONLINE",
        #                 "price_precision": 4,
        #                 "tick_size": "0.0001",
        #                 "min_order_amount": 1,
        #                 "open_max_limits": [
        #                     {
        #                         "leverage": "50",
        #                         "max_limit": "1000000"
        #                     }
        #                 ]
        #             },
        #         ]
        #     }
        #
        spotData = self.safe_value(spotMarkets, 'symbol_list', [])
        swapData = self.safe_value(swapMarkets, 'data', [])
        response = self.array_concat(spotData, swapData)
        result = []
        for i in range(0, len(response)):
            market = response[i]
            id = self.safe_string_2(market, 'symbol', 'instrument_id')
            baseId = self.safe_string_2(market, 'base_asset', 'base_currency')
            quoteId = self.safe_string_2(market, 'quote_asset', 'quote_currency')
            settleId = self.safe_string(market, 'clear_currency')
            base = self.safe_currency_code(baseId)
            quote = self.safe_currency_code(quoteId)
            settle = self.safe_currency_code(settleId)
            #
            # The status is documented in the exchange API docs:
            # TRADING, HALT(delisted), BREAK(trading paused)
            # https://docs.digifinex.vip/en-ww/v3/#/public/spot/symbols
            # However, all spot markets actually have status == 'HALT'
            # despite that they appear to be active on the exchange website.
            # Apparently, we can't trust self status.
            # status = self.safe_string(market, 'status')
            # active = (status == 'TRADING')
            #
            isAllowed = self.safe_integer(market, 'is_allow', 1)
            type = 'margin' if (defaultType == 'margin') else 'spot'
            spot = settle is None
            swap = not spot
            margin = True if (marginMode is not None) else None
            symbol = base + '/' + quote
            isInverse = None
            isLinear = None
            if swap:
                type = 'swap'
                symbol = base + '/' + quote + ':' + settle
                isInverse = self.safe_value(market, 'is_inverse')
                isLinear = True if (not isInverse) else False
                isTrading = self.safe_value(market, 'isTrading')
                if isTrading:
                    isAllowed = 1
            result.append({
                'id': id,
                'symbol': symbol,
                'base': base,
                'quote': quote,
                'settle': settle,
                'baseId': baseId,
                'quoteId': quoteId,
                'settleId': settleId,
                'type': type,
                'spot': spot,
                'margin': margin,
                'swap': swap,
                'future': False,
                'option': False,
                'active': True if isAllowed else False,
                'contract': swap,
                'linear': isLinear,
                'inverse': isInverse,
                'contractSize': self.safe_number(market, 'contract_value'),
                'expiry': None,
                'expiryDatetime': None,
                'strike': None,
                'optionType': None,
                'precision': {
                    'amount': self.parse_number(self.parse_precision(self.safe_string(market, 'amount_precision'))),
                    'price': self.parse_number(self.parse_precision(self.safe_string(market, 'price_precision'))),
                },
                'limits': {
                    'leverage': {
                        'min': None,
                        'max': None,
                    },
                    'amount': {
                        'min': self.safe_number_2(market, 'minimum_amount', 'min_order_amount'),
                        'max': None,
                    },
                    'price': {
                        'min': self.safe_number(market, 'tick_size'),
                        'max': None,
                    },
                    'cost': {
                        'min': self.safe_number(market, 'minimum_value'),
                        'max': None,
                    },
                },
                'created': None,
                'info': market,
            })
        return result

    async def fetch_markets_v1(self, params={}):
        response = await self.publicSpotGetMarkets(params)
        #
        #     {
        #         "data": [
        #             {
        #                 "volume_precision":4,
        #                 "price_precision":2,
        #                 "market":"btc_usdt",
        #                 "min_amount":2,
        #                 "min_volume":0.0001
        #             },
        #         ],
        #         "date":1564507456,
        #         "code":0
        #     }
        #
        markets = self.safe_value(response, 'data', [])
        result = []
        for i in range(0, len(markets)):
            market = markets[i]
            id = self.safe_string(market, 'market')
            baseId, quoteId = id.split('_')
            base = self.safe_currency_code(baseId)
            quote = self.safe_currency_code(quoteId)
            result.append({
                'id': id,
                'symbol': base + '/' + quote,
                'base': base,
                'quote': quote,
                'settle': None,
                'baseId': baseId,
                'quoteId': quoteId,
                'settleId': None,
                'type': 'spot',
                'spot': True,
                'margin': None,
                'swap': False,
                'future': False,
                'option': False,
                'active': None,
                'contract': False,
                'linear': None,
                'inverse': None,
                'contractSize': None,
                'expiry': None,
                'expiryDatetime': None,
                'strike': None,
                'optionType': None,
                'precision': {
                    'price': self.parse_number(self.parse_precision(self.safe_string(market, 'price_precision'))),
                    'amount': self.parse_number(self.parse_precision(self.safe_string(market, 'volume_precision'))),
                },
                'limits': {
                    'leverage': {
                        'min': None,
                        'max': None,
                    },
                    'amount': {
                        'min': self.safe_number(market, 'min_volume'),
                        'max': None,
                    },
                    'price': {
                        'min': None,
                        'max': None,
                    },
                    'cost': {
                        'min': self.safe_number(market, 'min_amount'),
                        'max': None,
                    },
                },
                'info': market,
            })
        return result

    def parse_balance(self, response) -> Balances:
        #
        # spot and margin
        #
        #     {
        #         "currency": "BTC",
        #         "free": 4723846.89208129,
        #         "total": 0
        #     }
        #
        # swap
        #
        #     {
        #         "equity": "0",
        #         "currency": "BTC",
        #         "margin": "0",
        #         "frozen_margin": "0",
        #         "frozen_money": "0",
        #         "margin_ratio": "0",
        #         "realized_pnl": "0",
        #         "avail_balance": "0",
        #         "unrealized_pnl": "0",
        #         "time_stamp": 1661487402396
        #     }
        #
        result: dict = {'info': response}
        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()
            free = self.safe_string_2(balance, 'free', 'avail_balance')
            total = self.safe_string_2(balance, 'total', 'equity')
            account['free'] = free
            account['used'] = Precise.string_sub(total, free)
            account['total'] = total
            result[code] = account
        return self.safe_balance(result)

    async def fetch_balance(self, params={}) -> Balances:
        """
        query for balance and get the amount of funds available for trading or funds locked in orders

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#spot-account-assets
        https://docs.digifinex.com/en-ww/spot/v3/rest.html#margin-assets
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#accountbalance

        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `balance structure <https://docs.ccxt.com/#/?id=balance-structure>`
        """
        await self.load_markets()
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchBalance', None, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchBalance', params)
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotGetMarginAssets(query)
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotAssets(query)
        elif marketType == 'swap':
            response = await self.privateSwapGetAccountBalance(query)
        else:
            raise NotSupported(self.id + ' fetchBalance() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "list": [
        #             {
        #                 "currency": "BTC",
        #                 "free": 4723846.89208129,
        #                 "total": 0
        #             },
        #             ...
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "equity": "0",
        #                 "currency": "BTC",
        #                 "margin": "0",
        #                 "frozen_margin": "0",
        #                 "frozen_money": "0",
        #                 "margin_ratio": "0",
        #                 "realized_pnl": "0",
        #                 "avail_balance": "0",
        #                 "unrealized_pnl": "0",
        #                 "time_stamp": 1661487402396
        #             },
        #             ...
        #         ]
        #     }
        #
        balanceRequest = 'data' if (marketType == 'swap') else 'list'
        balances = self.safe_value(response, balanceRequest, [])
        return self.parse_balance(balances)

    async def fetch_order_book(self, symbol: str, limit: Int = None, params={}) -> OrderBook:
        """
        fetches information on open orders with bid(buy) and ask(sell) prices, volumes and other data

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-orderbook
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#orderbook

        :param str symbol: unified symbol of the market to fetch the order book for
        :param int [limit]: the maximum amount of order book entries to return
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: A dictionary of `order book structures <https://docs.ccxt.com/#/?id=order-book-structure>` indexed by market symbols
        """
        await self.load_markets()
        market = self.market(symbol)
        marketType, query = self.handle_market_type_and_params('fetchOrderBook', market, params)
        request: dict = {}
        if limit is not None:
            request['limit'] = limit
        response = None
        if marketType == 'swap':
            request['instrument_id'] = market['id']
            response = await self.publicSwapGetPublicDepth(self.extend(request, query))
        else:
            request['symbol'] = market['id']
            response = await self.publicSpotGetOrderBook(self.extend(request, query))
        #
        # spot
        #
        #     {
        #         "bids": [
        #             [9605.77,0.0016],
        #             [9605.46,0.0003],
        #             [9602.04,0.0127],
        #         ],
        #         "asks": [
        #             [9627.22,0.025803],
        #             [9627.12,0.168543],
        #             [9626.52,0.0011529],
        #         ],
        #         "date":1564509499,
        #         "code":0
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "timestamp": 1667975290425,
        #             "asks": [
        #                 ["18384.7",3492],
        #                 ["18402.7",5000],
        #                 ["18406.7",5000],
        #             ],
        #             "bids": [
        #                 ["18366.2",4395],
        #                 ["18364.3",3070],
        #                 ["18359.4",5000],
        #             ]
        #         }
        #     }
        #
        timestamp = None
        orderBook = None
        if marketType == 'swap':
            orderBook = self.safe_value(response, 'data', {})
            timestamp = self.safe_integer(orderBook, 'timestamp')
        else:
            orderBook = response
            timestamp = self.safe_timestamp(response, 'date')
        return self.parse_order_book(orderBook, market['symbol'], timestamp)

    async def fetch_tickers(self, symbols: Strings = None, params={}) -> Tickers:
        """
        fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#ticker-price
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#tickers

        :param str[]|None symbols: unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a dictionary of `ticker structures <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols)
        first = self.safe_string(symbols, 0)
        market = None
        if first is not None:
            market = self.market(first)
        type = None
        type, params = self.handle_market_type_and_params('fetchTickers', market, params)
        request: dict = {}
        response = None
        if type == 'swap':
            response = await self.publicSwapGetPublicTickers(self.extend(request, params))
        else:
            response = await self.publicSpotGetTicker(self.extend(request, params))
        #
        # spot
        #
        #    {
        #        "ticker": [{
        #            "vol": 40717.4461,
        #            "change": -1.91,
        #            "base_vol": 392447999.65374,
        #            "sell": 9592.23,
        #            "last": 9592.22,
        #            "symbol": "btc_usdt",
        #            "low": 9476.24,
        #            "buy": 9592.03,
        #            "high": 9793.87
        #        }],
        #        "date": 1589874294,
        #        "code": 0
        #    }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "SUSHIUSDTPERP",
        #                 "index_price": "1.1297",
        #                 "mark_price": "1.1289",
        #                 "max_buy_price": "1.1856",
        #                 "min_sell_price": "1.0726",
        #                 "best_bid": "1.1278",
        #                 "best_bid_size": "500",
        #                 "best_ask": "1.1302",
        #                 "best_ask_size": "471",
        #                 "high_24h": "1.2064",
        #                 "open_24h": "1.1938",
        #                 "low_24h": "1.1239",
        #                 "last": "1.1302",
        #                 "last_qty": "29",
        #                 "volume_24h": "4946163",
        #                 "price_change_percent": "-0.053275255486681085",
        #                 "open_interest": "-",
        #                 "timestamp": 1663222782100
        #             },
        #             ...
        #         ]
        #     }
        #
        result: dict = {}
        tickers = self.safe_value_2(response, 'ticker', 'data', [])
        date = self.safe_integer(response, 'date')
        for i in range(0, len(tickers)):
            rawTicker = self.extend({
                'date': date,
            }, tickers[i])
            ticker = self.parse_ticker(rawTicker)
            symbol = ticker['symbol']
            result[symbol] = ticker
        return self.filter_by_array_tickers(result, 'symbol', symbols)

    async def fetch_ticker(self, symbol: str, params={}) -> Ticker:
        """
        fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#ticker-price
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#ticker

        :param str symbol: unified symbol of the market to fetch the ticker for
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ticker structure <https://docs.ccxt.com/#/?id=ticker-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {}
        response = None
        if market['swap']:
            request['instrument_id'] = market['id']
            response = await self.publicSwapGetPublicTicker(self.extend(request, params))
        else:
            request['symbol'] = market['id']
            response = await self.publicSpotGetTicker(self.extend(request, params))
        #
        # spot
        #
        #    {
        #        "ticker": [{
        #            "vol": 40717.4461,
        #            "change": -1.91,
        #            "base_vol": 392447999.65374,
        #            "sell": 9592.23,
        #            "last": 9592.22,
        #            "symbol": "btc_usdt",
        #            "low": 9476.24,
        #            "buy": 9592.03,
        #            "high": 9793.87
        #        }],
        #        "date": 1589874294,
        #        "code": 0
        #    }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "index_price": "20141.9967",
        #             "mark_price": "20139.3404",
        #             "max_buy_price": "21146.4838",
        #             "min_sell_price": "19132.2725",
        #             "best_bid": "20140.0998",
        #             "best_bid_size": "3116",
        #             "best_ask": "20140.0999",
        #             "best_ask_size": "9004",
        #             "high_24h": "20410.6496",
        #             "open_24h": "20308.6998",
        #             "low_24h": "19600",
        #             "last": "20140.0999",
        #             "last_qty": "2",
        #             "volume_24h": "49382816",
        #             "price_change_percent": "-0.008301855936636448",
        #             "open_interest": "-",
        #             "timestamp": 1663221614998
        #         }
        #     }
        #
        date = self.safe_integer(response, 'date')
        tickers = self.safe_value(response, 'ticker', [])
        data = self.safe_value(response, 'data', {})
        firstTicker = self.safe_value(tickers, 0, {})
        result = None
        if market['swap']:
            result = data
        else:
            result = self.extend({'date': date}, firstTicker)
        return self.parse_ticker(result, market)

    def parse_ticker(self, ticker: dict, market: Market = None) -> Ticker:
        #
        # spot: fetchTicker, fetchTickers
        #
        #     {
        #         "last":0.021957,
        #         "symbol": "btc_usdt",
        #         "base_vol":2249.3521732227,
        #         "change":-0.6,
        #         "vol":102443.5111,
        #         "sell":0.021978,
        #         "low":0.021791,
        #         "buy":0.021946,
        #         "high":0.022266,
        #         "date"1564518452,  # injected from fetchTicker/fetchTickers
        #     }
        #
        # swap: fetchTicker, fetchTickers
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "index_price": "20141.9967",
        #         "mark_price": "20139.3404",
        #         "max_buy_price": "21146.4838",
        #         "min_sell_price": "19132.2725",
        #         "best_bid": "20140.0998",
        #         "best_bid_size": "3116",
        #         "best_ask": "20140.0999",
        #         "best_ask_size": "9004",
        #         "high_24h": "20410.6496",
        #         "open_24h": "20308.6998",
        #         "low_24h": "19600",
        #         "last": "20140.0999",
        #         "last_qty": "2",
        #         "volume_24h": "49382816",
        #         "price_change_percent": "-0.008301855936636448",
        #         "open_interest": "-",
        #         "timestamp": 1663221614998
        #     }
        #
        indexPrice = self.safe_number(ticker, 'index_price')
        marketType = 'contract' if (indexPrice is not None) else 'spot'
        marketId = self.safe_string_upper_2(ticker, 'symbol', 'instrument_id')
        symbol = self.safe_symbol(marketId, market, None, marketType)
        market = self.safe_market(marketId, market, None, marketType)
        timestamp = self.safe_timestamp(ticker, 'date')
        if market['swap']:
            timestamp = self.safe_integer(ticker, 'timestamp')
        last = self.safe_string(ticker, 'last')
        return self.safe_ticker({
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': self.safe_string_2(ticker, 'high', 'high_24h'),
            'low': self.safe_string_2(ticker, 'low', 'low_24h'),
            'bid': self.safe_string_2(ticker, 'buy', 'best_bid'),
            'bidVolume': self.safe_string(ticker, 'best_bid_size'),
            'ask': self.safe_string_2(ticker, 'sell', 'best_ask'),
            'askVolume': self.safe_string(ticker, 'best_ask_size'),
            'vwap': None,
            'open': self.safe_string(ticker, 'open_24h'),
            'close': last,
            'last': last,
            'previousClose': None,
            'change': None,
            'percentage': self.safe_string_2(ticker, 'change', 'price_change_percent'),
            'average': None,
            'baseVolume': self.safe_string_2(ticker, 'vol', 'volume_24h'),
            'quoteVolume': self.safe_string(ticker, 'base_vol'),
            'markPrice': self.safe_string(ticker, 'mark_price'),
            'indexPrice': indexPrice,
            'info': ticker,
        }, market)

    def parse_trade(self, trade: dict, market: Market = None) -> Trade:
        #
        # spot: fetchTrades
        #
        #     {
        #         "date":1564520003,
        #         "id":1596149203,
        #         "amount":0.7073,
        #         "type":"buy",
        #         "price":0.02193,
        #     }
        #
        # swap: fetchTrades
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "trade_id": "1595190773677035521",
        #         "direction": "4",
        #         "volume": "4",
        #         "price": "16188.3",
        #         "trade_time": 1669158092314
        #     }
        #
        # spot: fetchMyTrades
        #
        #     {
        #         "symbol": "BTC_USDT",
        #         "order_id": "6707cbdcda0edfaa7f4ab509e4cbf966",
        #         "id": 28457,
        #         "price": 0.1,
        #         "amount": 0,
        #         "fee": 0.096,
        #         "fee_currency": "USDT",
        #         "timestamp": 1499865549,
        #         "side": "buy",  # or "side": "sell_market"
        #         "is_maker": True
        #     }
        #
        # swap: fetchMyTrades
        #
        #     {
        #         "trade_id": "1590136768424841218",
        #         "instrument_id": "BTCUSDTPERP",
        #         "order_id": "1590136768156405760",
        #         "type": 1,
        #         "order_type": 8,
        #         "price": "18514.5",
        #         "size": "1",
        #         "fee": "0.00925725",
        #         "close_profit": "0",
        #         "leverage": "20",
        #         "trade_type": 0,
        #         "match_role": 1,
        #         "trade_time": 1667953123562
        #     }
        #
        id = self.safe_string_2(trade, 'id', 'trade_id')
        orderId = self.safe_string(trade, 'order_id')
        priceString = self.safe_string(trade, 'price')
        amountString = self.safe_string_n(trade, ['amount', 'volume', 'size'])
        marketId = self.safe_string_upper_2(trade, 'symbol', 'instrument_id')
        symbol = self.safe_symbol(marketId, market)
        if market is None:
            market = self.safe_market(marketId)
        timestamp = self.safe_timestamp_2(trade, 'date', 'timestamp')
        side = self.safe_string_2(trade, 'type', 'side')
        type = None
        takerOrMaker = None
        if market['type'] == 'swap':
            timestamp = self.safe_integer(trade, 'trade_time')
            orderType = self.safe_string(trade, 'order_type')
            tradeRole = self.safe_string(trade, 'match_role')
            direction = self.safe_string(trade, 'direction')
            if orderType is not None:
                type = 'limit' if (orderType == '0') else None
            if tradeRole == '1':
                takerOrMaker = 'taker'
            elif tradeRole == '2':
                takerOrMaker = 'maker'
            else:
                takerOrMaker = None
            if (side == '1') or (direction == '1'):
                # side = 'open long'
                side = 'buy'
            elif (side == '2') or (direction == '2'):
                # side = 'open short'
                side = 'sell'
            elif (side == '3') or (direction == '3'):
                # side = 'close long'
                side = 'sell'
            elif (side == '4') or (direction == '4'):
                # side = 'close short'
                side = 'buy'
        else:
            parts = side.split('_')
            side = self.safe_string(parts, 0)
            type = self.safe_string(parts, 1)
            if type is None:
                type = 'limit'
            isMaker = self.safe_value(trade, 'is_maker')
            takerOrMaker = 'maker' if isMaker else 'taker'
        fee = None
        feeCostString = self.safe_string(trade, 'fee')
        if feeCostString is not None:
            feeCurrencyId = self.safe_string(trade, 'fee_currency')
            feeCurrencyCode = None
            if feeCurrencyId is not None:
                feeCurrencyCode = self.safe_currency_code(feeCurrencyId)
            fee = {
                'cost': feeCostString,
                'currency': feeCurrencyCode,
            }
        return self.safe_trade({
            'id': id,
            'info': trade,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': symbol,
            'type': type,
            'order': orderId,
            'side': side,
            'price': priceString,
            'amount': amountString,
            'cost': None,
            'takerOrMaker': takerOrMaker,
            'fee': fee,
        }, market)

    async def fetch_time(self, params={}) -> Int:
        """
        fetches the current integer timestamp in milliseconds from the exchange server
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns int: the current integer timestamp in milliseconds from the exchange server
        """
        response = await self.publicSpotGetTime(params)
        #
        #     {
        #         "server_time": 1589873762,
        #         "code": 0
        #     }
        #
        return self.safe_timestamp(response, 'server_time')

    async def fetch_status(self, params={}):
        """
        the latest known information on the availability of the exchange API
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `status structure <https://docs.ccxt.com/#/?id=exchange-status-structure>`
        """
        response = await self.publicSpotGetPing(params)
        #
        #     {
        #         "msg": "pong",
        #         "code": 0
        #     }
        #
        code = self.safe_integer(response, 'code')
        status = 'ok' if (code == 0) else 'maintenance'
        return {
            'status': status,
            'updated': None,
            'eta': None,
            'url': None,
            'info': response,
        }

    async def fetch_trades(self, symbol: str, since: Int = None, limit: Int = None, params={}) -> List[Trade]:
        """
        get the list of most recent trades for a particular symbol

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-recent-trades
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#recenttrades

        :param str symbol: unified symbol of the market to fetch trades for
        :param int [since]: timestamp in ms of the earliest trade to fetch
        :param int [limit]: the maximum amount of trades to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Trade[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {}
        if limit is not None:
            request['limit'] = min(limit, 100) if market['swap'] else limit
        response = None
        if market['swap']:
            request['instrument_id'] = market['id']
            response = await self.publicSwapGetPublicTrades(self.extend(request, params))
        else:
            request['symbol'] = market['id']
            response = await self.publicSpotGetTrades(self.extend(request, params))
        #
        # spot
        #
        #     {
        #         "data":[
        #             {
        #                 "date":1564520003,
        #                 "id":1596149203,
        #                 "amount":0.7073,
        #                 "type":"buy",
        #                 "price":0.02193,
        #             },
        #             {
        #                 "date":1564520002,
        #                 "id":1596149165,
        #                 "amount":0.3232,
        #                 "type":"sell",
        #                 "price":0.021927,
        #             },
        #         ],
        #         "code": 0,
        #         "date": 1564520003,
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "trade_id": "1595190773677035521",
        #                 "direction": "4",
        #                 "volume": "4",
        #                 "price": "16188.3",
        #                 "trade_time": 1669158092314
        #             },
        #             ...
        #         ]
        #     }
        #
        data = self.safe_list(response, 'data', [])
        return self.parse_trades(data, market, since, limit)

    def parse_ohlcv(self, ohlcv, market: Market = None) -> list:
        #
        #     [
        #         1556712900,
        #         2205.899,
        #         0.029967,
        #         0.02997,
        #         0.029871,
        #         0.029927
        #     ]
        #
        if market['swap']:
            return [
                self.safe_integer(ohlcv, 0),
                self.safe_number(ohlcv, 1),  # open
                self.safe_number(ohlcv, 2),  # high
                self.safe_number(ohlcv, 3),  # low
                self.safe_number(ohlcv, 4),  # close
                self.safe_number(ohlcv, 5),  # volume
            ]
        else:
            return [
                self.safe_timestamp(ohlcv, 0),
                self.safe_number(ohlcv, 5),  # open
                self.safe_number(ohlcv, 3),  # high
                self.safe_number(ohlcv, 4),  # low
                self.safe_number(ohlcv, 2),  # close
                self.safe_number(ohlcv, 1),  # volume
            ]

    async def fetch_ohlcv(self, symbol: str, timeframe: str = '1m', since: Int = None, limit: Int = None, params={}) -> List[list]:
        """
        fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-candles-data
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#recentcandle

        :param str symbol: unified symbol of the market to fetch OHLCV data for
        :param str timeframe: the length of time each candle represents
        :param int [since]: timestamp in ms of the earliest candle to fetch
        :param int [limit]: the maximum amount of candles to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param int [params.until]: timestamp in ms of the latest candle to fetch
        :returns int[][]: A list of candles ordered, open, high, low, close, volume
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {}
        response = None
        if market['swap']:
            request['instrument_id'] = market['id']
            request['granularity'] = timeframe
            if limit is not None:
                request['limit'] = min(limit, 100)
            response = await self.publicSwapGetPublicCandles(self.extend(request, params))
        else:
            until = self.safe_integer(params, 'until')
            request['symbol'] = market['id']
            request['period'] = self.safe_string(self.timeframes, timeframe, timeframe)
            startTime = since
            duration = self.parse_timeframe(timeframe)
            if startTime is None:
                if (limit is not None) or (until is not None):
                    endTime = until if (until is not None) else self.milliseconds()
                    startLimit = limit if (limit is not None) else 200
                    startTime = endTime - (startLimit * duration * 1000)
            if startTime is not None:
                startTime = self.parse_to_int(startTime / 1000)
                request['start_time'] = startTime
                if (limit is not None) or (until is not None):
                    if until is not None:
                        endByUntil = self.parse_to_int(until / 1000)
                        if limit is not None:
                            endByLimit = self.sum(startTime, limit * duration)
                            request['end_time'] = min(endByLimit, endByUntil)
                        else:
                            request['end_time'] = endByUntil
                    else:
                        request['end_time'] = self.sum(startTime, limit * duration)
            params = self.omit(params, 'until')
            response = await self.publicSpotGetKline(self.extend(request, params))
        #
        # spot
        #
        #     {
        #         "code":0,
        #         "data":[
        #             [1556712900,2205.899,0.029967,0.02997,0.029871,0.029927],
        #             [1556713800,1912.9174,0.029992,0.030014,0.029955,0.02996],
        #             [1556714700,1556.4795,0.029974,0.030019,0.029969,0.02999],
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "granularity": "1m",
        #             "candles": [
        #                 [1588089660000,"6900","6900","6900","6900","0","0"],
        #                 [1588089720000,"6900","6900","6900","6900","0","0"],
        #                 [1588089780000,"6900","6900","6900","6900","0","0"],
        #             ]
        #         }
        #     }
        #
        candles = None
        if market['swap']:
            data = self.safe_value(response, 'data', {})
            candles = self.safe_value(data, 'candles', [])
        else:
            candles = self.safe_value(response, 'data', [])
        return self.parse_ohlcvs(candles, market, timeframe, since, limit)

    async def create_order(self, symbol: str, type: OrderType, side: OrderSide, amount: float, price: Num = None, params={}):
        """
        create a trade order

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#create-new-order
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#orderplace

        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much you want to trade in units of the base currency, spot market orders use the quote currency, swap requires the number of contracts
        :param float [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.timeInForce]: "GTC", "IOC", "FOK", or "PO"
        :param bool [params.postOnly]: True or False
        :param bool [params.reduceOnly]: True or False
        :param str [params.marginMode]: 'cross' or 'isolated', for spot margin trading
        :param float [params.cost]: *spot market buy only* the quote quantity that can be used alternative for the amount
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        marginResult = self.handle_margin_mode_and_params('createOrder', params)
        marginMode = marginResult[0]
        request = self.create_order_request(symbol, type, side, amount, price, params)
        response = None
        if market['swap']:
            response = await self.privateSwapPostTradeOrderPlace(request)
        else:
            if marginMode is not None:
                response = await self.privateSpotPostMarginOrderNew(request)
            else:
                response = await self.privateSpotPostSpotOrderNew(request)
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "order_id": "198361cecdc65f9c8c9bb2fa68faec40"
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": "1590873693003714560"
        #     }
        #
        order = self.parse_order(response, market)
        order['symbol'] = market['symbol']
        order['type'] = type
        order['side'] = side
        order['amount'] = amount
        order['price'] = price
        return order

    async def create_orders(self, orders: List[OrderRequest], params={}):
        """
        create a list of trade orders(all orders should be of the same symbol)

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#create-multiple-order
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#batchorder

        :param Array orders: list of orders to create, each object should contain the parameters required by createOrder, namely symbol, type, side, amount, price and params
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        ordersRequests = []
        symbol = None
        marginMode = None
        for i in range(0, len(orders)):
            rawOrder = orders[i]
            marketId = self.safe_string(rawOrder, 'symbol')
            if symbol is None:
                symbol = marketId
            else:
                if symbol != marketId:
                    raise BadRequest(self.id + ' createOrders() requires all orders to have the same symbol')
            type = self.safe_string(rawOrder, 'type')
            side = self.safe_string(rawOrder, 'side')
            amount = self.safe_value(rawOrder, 'amount')
            price = self.safe_value(rawOrder, 'price')
            orderParams = self.safe_value(rawOrder, 'params', {})
            marginResult = self.handle_margin_mode_and_params('createOrders', orderParams)
            currentMarginMode = marginResult[0]
            if currentMarginMode is not None:
                if marginMode is None:
                    marginMode = currentMarginMode
                else:
                    if marginMode != currentMarginMode:
                        raise BadRequest(self.id + ' createOrders() requires all orders to have the same margin mode(isolated or cross)')
            orderRequest = self.create_order_request(marketId, type, side, amount, price, orderParams)
            ordersRequests.append(orderRequest)
        market = self.market(symbol)
        request: dict = {}
        response = None
        if market['swap']:
            response = await self.privateSwapPostTradeBatchOrder(ordersRequests)
        else:
            request['market'] = 'margin' if (marginMode is not None) else 'spot'
            request['symbol'] = market['id']
            request['list'] = self.json(ordersRequests)
            response = await self.privateSpotPostMarketOrderBatchNew(request)
        #
        # spot
        #
        #     {
        #         "code": 0,
        #         "order_ids": [
        #             "064290fbe2d26e7b28d7e6c0a5cf70a5",
        #             "24c8f9b73d81e4d9d8d7e3280281c258"
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             "1720297963537829888",
        #             "1720297963537829889"
        #         ]
        #     }
        #
        data = []
        if market['swap']:
            data = self.safe_value(response, 'data', [])
        else:
            data = self.safe_value(response, 'order_ids', [])
        result = []
        for i in range(0, len(orders)):
            rawOrder = orders[i]
            individualOrder: dict = {}
            individualOrder['order_id'] = data[i]
            individualOrder['instrument_id'] = market['id']
            individualOrder['amount'] = self.safe_number(rawOrder, 'amount')
            individualOrder['price'] = self.safe_number(rawOrder, 'price')
            result.append(individualOrder)
        return self.parse_orders(result, market)

    def create_order_request(self, symbol: str, type: OrderType, side: OrderSide, amount: float, price: Num = None, params={}):
        """
 @ignore
        helper function to build request
        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much you want to trade in units of the base currency, spot market orders use the quote currency, swap requires the number of contracts
        :param float [price]: the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: request to be sent to the exchange
        """
        market = self.market(symbol)
        marketType = None
        marginMode = None
        marketType, params = self.handle_market_type_and_params('createOrderRequest', market, params)
        marginMode, params = self.handle_margin_mode_and_params('createOrderRequest', params)
        if marginMode is not None:
            marketType = 'margin'
        request: dict = {}
        swap = (marketType == 'swap')
        isMarketOrder = (type == 'market')
        isLimitOrder = (type == 'limit')
        marketIdRequest = 'instrument_id' if swap else 'symbol'
        request[marketIdRequest] = market['id']
        postOnly = self.is_post_only(isMarketOrder, False, params)
        postOnlyParsed = None
        if swap:
            reduceOnly = self.safe_bool(params, 'reduceOnly', False)
            timeInForce = self.safe_string(params, 'timeInForce')
            orderType = None
            if side == 'buy':
                requestType = 4 if (reduceOnly) else 1
                request['type'] = requestType
            else:
                requestType = 3 if (reduceOnly) else 2
                request['type'] = requestType
            if isLimitOrder:
                orderType = 0
            if timeInForce == 'FOK':
                orderType = 15 if isMarketOrder else 9
            elif timeInForce == 'IOC':
                orderType = 13 if isMarketOrder else 4
            elif (timeInForce == 'GTC') or (isMarketOrder):
                orderType = 14
            elif timeInForce == 'PO':
                postOnly = True
            if price is not None:
                request['price'] = self.price_to_precision(symbol, price)
            request['order_type'] = orderType
            request['size'] = amount  # swap orders require the amount to be the number of contracts
            params = self.omit(params, ['reduceOnly', 'timeInForce'])
        else:
            postOnlyParsed = 1 if (postOnly is True) else 2
            request['market'] = marketType
            suffix = ''
            if type == 'market':
                suffix = '_market'
            else:
                request['price'] = self.price_to_precision(symbol, price)
            request['type'] = side + suffix
            # limit orders require the amount in the base currency, market orders require the amount in the quote currency
            quantity = None
            createMarketBuyOrderRequiresPrice = True
            createMarketBuyOrderRequiresPrice, params = self.handle_option_and_params(params, 'createOrderRequest', 'createMarketBuyOrderRequiresPrice', True)
            if isMarketOrder and (side == 'buy'):
                cost = self.safe_number(params, 'cost')
                params = self.omit(params, 'cost')
                if cost is not None:
                    quantity = self.cost_to_precision(symbol, cost)
                elif createMarketBuyOrderRequiresPrice:
                    if price is None:
                        raise InvalidOrder(self.id + ' createOrder() requires a price argument for market buy orders on spot markets to calculate the total amount to spend(amount * price), alternatively set the createMarketBuyOrderRequiresPrice option or param to False and pass the cost to spend in the amount argument')
                    else:
                        amountString = self.number_to_string(amount)
                        priceString = self.number_to_string(price)
                        costRequest = self.parse_number(Precise.string_mul(amountString, priceString))
                        quantity = self.cost_to_precision(symbol, costRequest)
                else:
                    quantity = self.cost_to_precision(symbol, amount)
            else:
                quantity = self.amount_to_precision(symbol, amount)
            request['amount'] = quantity
        if postOnly:
            if postOnlyParsed:
                request['post_only'] = postOnlyParsed
            else:
                request['post_only'] = postOnly
        params = self.omit(params, ['postOnly'])
        return self.extend(request, params)

    async def create_market_buy_order_with_cost(self, symbol: str, cost: float, params={}):
        """
        create a market buy order by providing the symbol and cost

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#create-new-order

        :param str symbol: unified symbol of the market to create an order in
        :param float cost: how much you want to trade in units of the quote currency
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        if not market['spot']:
            raise NotSupported(self.id + ' createMarketBuyOrderWithCost() supports spot orders only')
        params['createMarketBuyOrderRequiresPrice'] = False
        return await self.create_order(symbol, 'market', 'buy', cost, None, params)

    async def cancel_order(self, id: str, symbol: Str = None, params={}):
        """
        cancels an open order

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#cancel-order
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#cancelorder

        :param str id: order id
        :param str symbol: not used by digifinex cancelOrder()
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        id = str(id)
        marketType = None
        marketType, params = self.handle_market_type_and_params('cancelOrder', market, params)
        request: dict = {
            'order_id': id,
        }
        if marketType == 'swap':
            if symbol is None:
                raise ArgumentsRequired(self.id + ' cancelOrder() requires a symbol argument')
            request['instrument_id'] = market['id']
        else:
            request['market'] = marketType
        marginMode, query = self.handle_margin_mode_and_params('cancelOrder', params)
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotPostMarginOrderCancel(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotPostSpotOrderCancel(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapPostTradeCancelOrder(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' cancelOrder() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "success": [
        #             "198361cecdc65f9c8c9bb2fa68faec40",
        #             "3fb0d98e51c18954f10d439a9cf57de0"
        #         ],
        #         "error": [
        #             "78a7104e3c65cc0c5a212a53e76d0205"
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": "1590923061186531328"
        #     }
        #
        if (marketType == 'spot') or (marketType == 'margin'):
            canceledOrders = self.safe_value(response, 'success', [])
            numCanceledOrders = len(canceledOrders)
            if numCanceledOrders != 1:
                raise OrderNotFound(self.id + ' cancelOrder() ' + id + ' not found')
            orders = self.parse_cancel_orders(response)
            return self.safe_dict(orders, 0)
        else:
            return self.safe_order({
                'info': response,
                'orderId': self.safe_string(response, 'data'),
            })

    def parse_cancel_orders(self, response):
        success = self.safe_list(response, 'success')
        error = self.safe_list(response, 'error')
        result = []
        for i in range(0, len(success)):
            order = success[i]
            result.append(self.safe_order({
                'info': order,
                'id': order,
                'status': 'canceled',
            }))
        for i in range(0, len(error)):
            order = error[i]
            result.append(self.safe_order({
                'info': order,
                'id': self.safe_string_2(order, 'order-id', 'order_id'),
                'status': 'failed',
                'clientOrderId': self.safe_string(order, 'client-order-id'),
            }))
        return result

    async def cancel_orders(self, ids: List[str], symbol: Str = None, params={}):
        """
        cancel multiple orders
        :param str[] ids: order ids
        :param str symbol: not used by digifinex cancelOrders()
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        defaultType = self.safe_string(self.options, 'defaultType', 'spot')
        orderType = self.safe_string(params, 'type', defaultType)
        params = self.omit(params, 'type')
        request: dict = {
            'market': orderType,
            'order_id': ','.join(ids),
        }
        response = await self.privateSpotPostSpotOrderCancel(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "success": [
        #             "198361cecdc65f9c8c9bb2fa68faec40",
        #             "3fb0d98e51c18954f10d439a9cf57de0"
        #         ],
        #         "error": [
        #             "78a7104e3c65cc0c5a212a53e76d0205"
        #         ]
        #     }
        #
        return self.parse_cancel_orders(response)

    def parse_order_status(self, status: Str):
        statuses: dict = {
            '0': 'open',
            '1': 'open',  # partially filled
            '2': 'closed',
            '3': 'canceled',
            '4': 'canceled',  # partially filled and canceled
        }
        return self.safe_string(statuses, status, status)

    def parse_order(self, order: dict, market: Market = None) -> Order:
        #
        # spot: createOrder
        #
        #     {
        #         "code": 0,
        #         "order_id": "198361cecdc65f9c8c9bb2fa68faec40"
        #     }
        #
        # swap: createOrder
        #
        #     {
        #         "code": 0,
        #         "data": "1590873693003714560"
        #     }
        #
        # spot and swap: createOrders
        #
        #     {
        #         "order_id": "d64d92a5e0a120f792f385485bc3d95b",
        #         "instrument_id": "BTC_USDT",
        #         "amount": 0.0001,
        #         "price": 27000
        #     }
        #
        # spot: fetchOrder, fetchOpenOrders, fetchOrders
        #
        #     {
        #         "symbol": "BTC_USDT",
        #         "order_id": "dd3164b333a4afa9d5730bb87f6db8b3",
        #         "created_date": 1562303547,
        #         "finished_date": 0,
        #         "price": 0.1,
        #         "amount": 1,
        #         "cash_amount": 1,
        #         "executed_amount": 0,
        #         "avg_price": 0,
        #         "status": 1,
        #         "type": "buy",
        #         "kind": "margin"
        #     }
        #
        # swap: fetchOrder, fetchOpenOrders, fetchOrders
        #
        #     {
        #         "order_id": "1590898207657824256",
        #         "instrument_id": "BTCUSDTPERP",
        #         "margin_mode": "crossed",
        #         "contract_val": "0.001",
        #         "type": 1,
        #         "order_type": 0,
        #         "price": "14000",
        #         "size": "6",
        #         "filled_qty": "0",
        #         "price_avg": "0",
        #         "fee": "0",
        #         "state": 0,
        #         "leverage": "20",
        #         "turnover": "0",
        #         "has_stop": 0,
        #         "insert_time": 1668134664828,
        #         "time_stamp": 1668134664828
        #     }
        #
        timestamp = None
        lastTradeTimestamp = None
        timeInForce = None
        type = None
        side = self.safe_string(order, 'type')
        marketId = self.safe_string_2(order, 'symbol', 'instrument_id')
        symbol = self.safe_symbol(marketId, market)
        market = self.market(symbol)
        if market['type'] == 'swap':
            orderType = self.safe_integer(order, 'order_type')
            if orderType is not None:
                if (orderType == 9) or (orderType == 10) or (orderType == 11) or (orderType == 12) or (orderType == 15):
                    timeInForce = 'FOK'
                elif (orderType == 1) or (orderType == 2) or (orderType == 3) or (orderType == 4) or (orderType == 13):
                    timeInForce = 'IOC'
                elif (orderType == 6) or (orderType == 7) or (orderType == 8) or (orderType == 14):
                    timeInForce = 'GTC'
                if (orderType == 0) or (orderType == 1) or (orderType == 4) or (orderType == 5) or (orderType == 9) or (orderType == 10):
                    type = 'limit'
                else:
                    type = 'market'
            if side == '1':
                side = 'open long'
            elif side == '2':
                side = 'open short'
            elif side == '3':
                side = 'close long'
            elif side == '4':
                side = 'close short'
            timestamp = self.safe_integer(order, 'insert_time')
            lastTradeTimestamp = self.safe_integer(order, 'time_stamp')
        else:
            timestamp = self.safe_timestamp(order, 'created_date')
            lastTradeTimestamp = self.safe_timestamp(order, 'finished_date')
            if side is not None:
                parts = side.split('_')
                numParts = len(parts)
                if numParts > 1:
                    side = parts[0]
                    type = parts[1]
                else:
                    type = 'limit'
        return self.safe_order({
            'info': order,
            'id': self.safe_string_2(order, 'order_id', 'data'),
            'clientOrderId': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': lastTradeTimestamp,
            'symbol': symbol,
            'type': type,
            'timeInForce': timeInForce,
            'postOnly': None,
            'side': side,
            'price': self.safe_number(order, 'price'),
            'triggerPrice': None,
            'amount': self.safe_number_2(order, 'amount', 'size'),
            'filled': self.safe_number_2(order, 'executed_amount', 'filled_qty'),
            'remaining': None,
            'cost': None,
            'average': self.safe_number_2(order, 'avg_price', 'price_avg'),
            'status': self.parse_order_status(self.safe_string_2(order, 'status', 'state')),
            'fee': {
                'cost': self.safe_number(order, 'fee'),
            },
            'trades': None,
        }, market)

    async def fetch_open_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetch all unfilled currently open orders

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#current-active-orders
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#openorder

        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch open orders for
        :param int [limit]: the maximum number of  open orders structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Order[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchOpenOrders', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchOpenOrders', params)
        request: dict = {}
        swap = (marketType == 'swap')
        if swap:
            if since is not None:
                request['start_timestamp'] = since
            if limit is not None:
                request['limit'] = limit
        else:
            request['market'] = marketType
        if market is not None:
            marketIdRequest = 'instrument_id' if swap else 'symbol'
            request[marketIdRequest] = market['id']
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotGetMarginOrderCurrent(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotOrderCurrent(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetTradeOpenOrders(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchOpenOrders() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "symbol": "BTC_USDT",
        #                 "order_id": "dd3164b333a4afa9d5730bb87f6db8b3",
        #                 "created_date": 1562303547,
        #                 "finished_date": 0,
        #                 "price": 0.1,
        #                 "amount": 1,
        #                 "cash_amount": 1,
        #                 "executed_amount": 0,
        #                 "avg_price": 0,
        #                 "status": 1,
        #                 "type": "buy",
        #                 "kind": "margin"
        #             }
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "order_id": "1590898207657824256",
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "margin_mode": "crossed",
        #                 "contract_val": "0.001",
        #                 "type": 1,
        #                 "order_type": 0,
        #                 "price": "14000",
        #                 "size": "6",
        #                 "filled_qty": "0",
        #                 "price_avg": "0",
        #                 "fee": "0",
        #                 "state": 0,
        #                 "leverage": "20",
        #                 "turnover": "0",
        #                 "has_stop": 0,
        #                 "insert_time": 1668134664828,
        #                 "time_stamp": 1668134664828
        #             },
        #             ...
        #         ]
        #     }
        #
        data = self.safe_list(response, 'data', [])
        return self.parse_orders(data, market, since, limit)

    async def fetch_orders(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Order]:
        """
        fetches information on multiple orders made by the user

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-all-orders-including-history-orders
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#historyorder

        :param str symbol: unified market symbol of the market orders were made in
        :param int [since]: the earliest time in ms to fetch orders for
        :param int [limit]: the maximum number of order structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Order[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchOrders', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchOrders', params)
        request: dict = {}
        if marketType == 'swap':
            if since is not None:
                request['start_timestamp'] = since
        else:
            request['market'] = marketType
            if since is not None:
                request['start_time'] = self.parse_to_int(since / 1000)  # default 3 days from now, max 30 days
        if market is not None:
            marketIdRequest = 'instrument_id' if (marketType == 'swap') else 'symbol'
            request[marketIdRequest] = market['id']
        if limit is not None:
            request['limit'] = limit
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotGetMarginOrderHistory(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotOrderHistory(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetTradeHistoryOrders(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchOrders() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "symbol": "BTC_USDT",
        #                 "order_id": "dd3164b333a4afa9d5730bb87f6db8b3",
        #                 "created_date": 1562303547,
        #                 "finished_date": 0,
        #                 "price": 0.1,
        #                 "amount": 1,
        #                 "cash_amount": 1,
        #                 "executed_amount": 0,
        #                 "avg_price": 0,
        #                 "status": 1,
        #                 "type": "buy",
        #                 "kind": "margin"
        #             }
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "order_id": "1590136768156405760",
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "margin_mode": "crossed",
        #                 "contract_val": "0.001",
        #                 "type": 1,
        #                 "order_type": 8,
        #                 "price": "18660.2",
        #                 "size": "1",
        #                 "filled_qty": "1",
        #                 "price_avg": "18514.5",
        #                 "fee": "0.00925725",
        #                 "state": 2,
        #                 "leverage": "20",
        #                 "turnover": "18.5145",
        #                 "has_stop": 0,
        #                 "insert_time": 1667953123526,
        #                 "time_stamp": 1667953123596
        #             },
        #             ...
        #         ]
        #     }
        #
        data = self.safe_list(response, 'data', [])
        return self.parse_orders(data, market, since, limit)

    async def fetch_order(self, id: str, symbol: Str = None, params={}):
        """
        fetches information on an order made by the user

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-order-status
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#orderinfo

        :param str id: order id
        :param str symbol: unified symbol of the market the order was made in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = None
        if symbol is not None:
            market = self.market(symbol)
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchOrder', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchOrder', params)
        request: dict = {
            'order_id': id,
        }
        if marketType == 'swap':
            if market is not None:
                request['instrument_id'] = market['id']
        else:
            request['market'] = marketType
        response = None
        if (marginMode is not None) or (marketType == 'margin'):
            marketType = 'margin'
            response = await self.privateSpotGetMarginOrder(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotOrder(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetTradeOrderInfo(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchOrder() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "symbol": "BTC_USDT",
        #                 "order_id": "dd3164b333a4afa9d5730bb87f6db8b3",
        #                 "created_date": 1562303547,
        #                 "finished_date": 0,
        #                 "price": 0.1,
        #                 "amount": 1,
        #                 "cash_amount": 1,
        #                 "executed_amount": 0,
        #                 "avg_price": 0,
        #                 "status": 1,
        #                 "type": "buy",
        #                 "kind": "margin"
        #             }
        #         ]
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "order_id": "1590923061186531328",
        #             "instrument_id": "ETHUSDTPERP",
        #             "margin_mode": "crossed",
        #             "contract_val": "0.01",
        #             "type": 1,
        #             "order_type": 0,
        #             "price": "900",
        #             "size": "6",
        #             "filled_qty": "0",
        #             "price_avg": "0",
        #             "fee": "0",
        #             "state": 0,
        #             "leverage": "20",
        #             "turnover": "0",
        #             "has_stop": 0,
        #             "insert_time": 1668140590372,
        #             "time_stamp": 1668140590372
        #         }
        #     }
        #
        data = self.safe_value(response, 'data')
        order = data if (marketType == 'swap') else self.safe_value(data, 0)
        if order is None:
            raise OrderNotFound(self.id + ' fetchOrder() order ' + str(id) + ' not found')
        return self.parse_order(order, market)

    async def fetch_my_trades(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetch all trades made by the user

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#customer-39-s-trades
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#historytrade

        :param str symbol: unified market symbol
        :param int [since]: the earliest time in ms to fetch trades for
        :param int [limit]: the maximum number of trades structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Trade[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        market = None
        request: dict = {}
        if symbol is not None:
            market = self.market(symbol)
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchMyTrades', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchMyTrades', params)
        if marketType == 'swap':
            if since is not None:
                request['start_timestamp'] = since
        else:
            request['market'] = marketType
            if since is not None:
                request['start_time'] = self.parse_to_int(since / 1000)  # default 3 days from now, max 30 days
        marketIdRequest = 'instrument_id' if (marketType == 'swap') else 'symbol'
        if symbol is not None:
            request[marketIdRequest] = market['id']
        if limit is not None:
            request['limit'] = limit
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotGetMarginMytrades(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotMytrades(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetTradeHistoryTrades(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchMyTrades() not support self market type')
        #
        # spot and margin
        #
        #      {
        #          "list":[
        #              {
        #                  "timestamp":1639506068,
        #                  "is_maker":false,
        #                  "id":"8975951332",
        #                  "amount":31.83,
        #                  "side":"sell_market",
        #                  "symbol":"DOGE_USDT",
        #                  "fee_currency":"USDT",
        #                  "fee":0.01163774826
        #                  ,"order_id":"32b169792f4a7a19e5907dc29fc123d4",
        #                  "price":0.182811
        #                }
        #             ],
        #           "code": 0
        #      }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "trade_id": "1590136768424841218",
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "order_id": "1590136768156405760",
        #                 "type": 1,
        #                 "order_type": 8,
        #                 "price": "18514.5",
        #                 "size": "1",
        #                 "fee": "0.00925725",
        #                 "close_profit": "0",
        #                 "leverage": "20",
        #                 "trade_type": 0,
        #                 "match_role": 1,
        #                 "trade_time": 1667953123562
        #             },
        #             ...
        #         ]
        #     }
        #
        responseRequest = 'data' if (marketType == 'swap') else 'list'
        data = self.safe_list(response, responseRequest, [])
        return self.parse_trades(data, market, since, limit)

    def parse_ledger_entry_type(self, type):
        types: dict = {}
        return self.safe_string(types, type, type)

    def parse_ledger_entry(self, item: dict, currency: Currency = None) -> LedgerEntry:
        #
        # spot and margin
        #
        #     {
        #         "currency_mark": "BTC",
        #         "type": 100234,
        #         "num": -10,
        #         "balance": 0.1,
        #         "time": 1546272000
        #     }
        #
        # swap
        #
        #     {
        #         "currency": "USDT",
        #         "finance_type": 17,
        #         "change": "-3.01",
        #         "timestamp": 1650809432000
        #     }
        #
        type = self.parse_ledger_entry_type(self.safe_string_2(item, 'type', 'finance_type'))
        currencyId = self.safe_string_2(item, 'currency_mark', 'currency')
        code = self.safe_currency_code(currencyId, currency)
        currency = self.safe_currency(currencyId, currency)
        amount = self.safe_number_2(item, 'num', 'change')
        after = self.safe_number(item, 'balance')
        timestamp = self.safe_timestamp(item, 'time')
        if timestamp is None:
            timestamp = self.safe_integer(item, 'timestamp')
        return self.safe_ledger_entry({
            'info': item,
            'id': None,
            'direction': None,
            'account': None,
            'referenceId': None,
            'referenceAccount': None,
            'type': type,
            'currency': code,
            'amount': amount,
            'before': None,
            'after': after,
            'status': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'fee': None,
        }, currency)

    async def fetch_ledger(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[LedgerEntry]:
        """
        fetch the history of changes, actions done by the user or operations that altered the balance of the user

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#spot-margin-otc-financial-logs
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#bills

        :param str [code]: unified currency code, default is None
        :param int [since]: timestamp in ms of the earliest ledger entry, default is None
        :param int [limit]: max number of ledger entries to return, default is None
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `ledger structure <https://docs.ccxt.com/#/?id=ledger>`
        """
        await self.load_markets()
        request: dict = {}
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchLedger', None, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchLedger', params)
        if marketType == 'swap':
            if since is not None:
                request['start_timestamp'] = since
        else:
            request['market'] = marketType
            if since is not None:
                request['start_time'] = self.parse_to_int(since / 1000)  # default 3 days from now, max 30 days
        currencyIdRequest = 'currency' if (marketType == 'swap') else 'currency_mark'
        currency = None
        if code is not None:
            currency = self.currency(code)
            request[currencyIdRequest] = currency['id']
        if limit is not None:
            request['limit'] = limit
        response = None
        if marginMode is not None or marketType == 'margin':
            marketType = 'margin'
            response = await self.privateSpotGetMarginFinancelog(self.extend(request, query))
        elif marketType == 'spot':
            response = await self.privateSpotGetSpotFinancelog(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetAccountFinanceRecord(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchLedger() not support self market type')
        #
        # spot and margin
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "total": 521,
        #             "finance": [
        #                 {
        #                     "currency_mark": "BTC",
        #                     "type": 100234,
        #                     "num": 28457,
        #                     "balance": 0.1,
        #                     "time": 1546272000
        #                 }
        #             ]
        #         }
        #     }
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "currency": "USDT",
        #                 "finance_type": 17,
        #                 "change": "3.01",
        #                 "timestamp": 1650809432000
        #             },
        #         ]
        #     }
        #
        ledger = None
        if marketType == 'swap':
            ledger = self.safe_value(response, 'data', [])
        else:
            data = self.safe_value(response, 'data', {})
            ledger = self.safe_value(data, 'finance', [])
        return self.parse_ledger(ledger, currency, since, limit)

    def parse_deposit_address(self, depositAddress, currency: Currency = None) -> DepositAddress:
        #
        #     {
        #         "addressTag":"",
        #         "address":"0xf1104d9f8624f89775a3e9d480fc0e75a8ef4373",
        #         "currency":"USDT",
        #         "chain":"ERC20"
        #     }
        #
        address = self.safe_string(depositAddress, 'address')
        tag = self.safe_string(depositAddress, 'addressTag')
        currencyId = self.safe_string_upper(depositAddress, 'currency')
        code = self.safe_currency_code(currencyId)
        return {
            'info': depositAddress,
            'currency': code,
            'network': None,
            'address': address,
            'tag': tag,
        }

    async def fetch_deposit_address(self, code: str, params={}) -> DepositAddress:
        """
        fetch the deposit address for a currency associated with self account
        :param str code: unified currency code
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an `address structure <https://docs.ccxt.com/#/?id=address-structure>`
        """
        await self.load_markets()
        currency = self.currency(code)
        request: dict = {
            'currency': currency['id'],
        }
        response = await self.privateSpotGetDepositAddress(self.extend(request, params))
        #
        #     {
        #         "data":[
        #             {
        #                 "addressTag":"",
        #                 "address":"0xf1104d9f8624f89775a3e9d480fc0e75a8ef4373",
        #                 "currency":"USDT",
        #                 "chain":"ERC20"
        #             }
        #         ],
        #         "code":200
        #     }
        #
        data = self.safe_value(response, 'data', [])
        addresses = self.parse_deposit_addresses(data, [currency['code']])
        address = self.safe_value(addresses, code)
        if address is None:
            raise InvalidAddress(self.id + ' fetchDepositAddress() did not return an address for ' + code + ' - create the deposit address in the user settings on the exchange website first.')
        return address

    async def fetch_transactions_by_type(self, type, code: Str = None, since: Int = None, limit: Int = None, params={}):
        await self.load_markets()
        currency = None
        request: dict = {
            # 'currency': currency['id'],
            # 'from': 'fromId',  # When direct is' prev ', from is 1, returning from old to new ascending, when direct is' next ', from is the ID of the most recent record, returned from the old descending order
            # 'size': 100,  # default 100, max 500
            # 'direct': 'prev',  # "prev" ascending, "next" descending
        }
        if code is not None:
            currency = self.currency(code)
            request['currency'] = currency['id']
        if limit is not None:
            request['size'] = min(500, limit)
        response = None
        if type == 'deposit':
            response = await self.privateSpotGetDepositHistory(self.extend(request, params))
        else:
            response = await self.privateSpotGetWithdrawHistory(self.extend(request, params))
        #
        #     {
        #         "code": 200,
        #         "data": [
        #             {
        #                 "id": 1171,
        #                 "currency": "xrp",
        #                 "hash": "ed03094b84eafbe4bc16e7ef766ee959885ee5bcb265872baaa9c64e1cf86c2b",
        #                 "chain": "",
        #                 "amount": 7.457467,
        #                 "address": "rae93V8d2mdoUQHwBDBdM4NHCMehRJAsbm",
        #                 "memo": "100040",
        #                 "fee": 0,
        #                 "state": "safe",
        #                 "created_date": "2020-04-20 11:23:00",
        #                 "finished_date": "2020-04-20 13:23:00"
        #             },
        #         ]
        #     }
        #
        data = self.safe_list(response, 'data', [])
        return self.parse_transactions(data, currency, since, limit, {'type': type})

    async def fetch_deposits(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Transaction]:
        """
        fetch all deposits made to an account
        :param str code: unified currency code
        :param int [since]: the earliest time in ms to fetch deposits for
        :param int [limit]: the maximum number of deposits structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `transaction structures <https://docs.ccxt.com/#/?id=transaction-structure>`
        """
        return await self.fetch_transactions_by_type('deposit', code, since, limit, params)

    async def fetch_withdrawals(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[Transaction]:
        """
        fetch all withdrawals made from an account
        :param str code: unified currency code
        :param int [since]: the earliest time in ms to fetch withdrawals for
        :param int [limit]: the maximum number of withdrawals structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `transaction structures <https://docs.ccxt.com/#/?id=transaction-structure>`
        """
        return await self.fetch_transactions_by_type('withdrawal', code, since, limit, params)

    def parse_transaction_status(self, status: Str):
        # deposit state includes: 1(in deposit), 2(to be confirmed), 3(successfully deposited), 4(stopped)
        # withdrawal state includes: 1(application in progress), 2(to be confirmed), 3(completed), 4(rejected)
        statuses: dict = {
            '1': 'pending',  # in Progress
            '2': 'pending',  # to be confirmed
            '3': 'ok',  # Completed
            '4': 'failed',  # Rejected
        }
        return self.safe_string(statuses, status, status)

    def parse_transaction(self, transaction: dict, currency: Currency = None) -> Transaction:
        #
        # withdraw
        #
        #     {
        #         "code": 200,
        #         "withdraw_id": 700
        #     }
        #
        # fetchDeposits, fetchWithdrawals
        #
        #     {
        #         "id": 1171,
        #         "currency": "xrp",
        #         "hash": "ed03094b84eafbe4bc16e7ef766ee959885ee5bcb265872baaa9c64e1cf86c2b",
        #         "chain": "",
        #         "amount": 7.457467,
        #         "address": "rae93V8d2mdoUQHwBDBdM4NHCMehRJAsbm",
        #         "memo": "100040",
        #         "fee": 0,
        #         "state": "safe",
        #         "created_date": "2020-04-20 11:23:00",
        #         "finished_date": "2020-04-20 13:23:00"
        #     }
        #
        id = self.safe_string_2(transaction, 'id', 'withdraw_id')
        address = self.safe_string(transaction, 'address')
        tag = self.safe_string(transaction, 'memo')
        txid = self.safe_string(transaction, 'hash')
        currencyId = self.safe_string_upper(transaction, 'currency')
        code = self.safe_currency_code(currencyId, currency)
        timestamp = self.parse8601(self.safe_string(transaction, 'created_date'))
        updated = self.parse8601(self.safe_string(transaction, 'finished_date'))
        status = self.parse_transaction_status(self.safe_string(transaction, 'state'))
        amount = self.safe_number(transaction, 'amount')
        feeCost = self.safe_number(transaction, 'fee')
        fee = None
        if feeCost is not None:
            fee = {'currency': code, 'cost': feeCost}
        network = self.safe_string(transaction, 'chain')
        return {
            'info': transaction,
            'id': id,
            'txid': txid,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'network': network,
            'address': address,
            'addressTo': address,
            'addressFrom': None,
            'tag': tag,
            'tagTo': tag,
            'tagFrom': None,
            'type': None,
            'amount': amount,
            'currency': code,
            'status': status,
            'updated': updated,
            'internal': None,
            'comment': None,
            'fee': fee,
        }

    def parse_transfer_status(self, status: Str) -> Str:
        statuses: dict = {
            '0': 'ok',
        }
        return self.safe_string(statuses, status, status)

    def parse_transfer(self, transfer: dict, currency: Currency = None) -> TransferEntry:
        #
        # transfer between spot, margin and OTC
        #
        #     {
        #         "code": 0
        #     }
        #
        # transfer between spot and swap
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "type": 2,
        #             "currency": "USDT",
        #             "transfer_amount": "5"
        #         }
        #     }
        #
        # fetchTransfers
        #
        #     {
        #         "transfer_id": 130524,
        #         "type": 1,
        #         "currency": "USDT",
        #         "amount": "24",
        #         "timestamp": 1666505659000
        #     }
        #
        fromAccount = None
        toAccount = None
        data = self.safe_dict(transfer, 'data', transfer)
        type = self.safe_integer(data, 'type')
        if type == 1:
            fromAccount = 'spot'
            toAccount = 'swap'
        elif type == 2:
            fromAccount = 'swap'
            toAccount = 'spot'
        timestamp = self.safe_integer(transfer, 'timestamp')
        return {
            'info': transfer,
            'id': self.safe_string(transfer, 'transfer_id'),
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'currency': self.safe_currency_code(self.safe_string(data, 'currency'), currency),
            'amount': self.safe_number_2(data, 'amount', 'transfer_amount'),
            'fromAccount': fromAccount,
            'toAccount': toAccount,
            'status': self.parse_transfer_status(self.safe_string(transfer, 'code')),
        }

    async def transfer(self, code: str, amount: float, fromAccount: str, toAccount: str, params={}) -> TransferEntry:
        """
        transfer currency internally between wallets on the same account

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#transfer-assets-among-accounts
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#accounttransfer

        :param str code: unified currency code
        :param float amount: amount to transfer
        :param str fromAccount: 'spot', 'swap', 'margin', 'OTC' - account to transfer from
        :param str toAccount: 'spot', 'swap', 'margin', 'OTC' - account to transfer to
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `transfer structure <https://docs.ccxt.com/#/?id=transfer-structure>`
        """
        await self.load_markets()
        currency = self.currency(code)
        currencyId = currency['id']
        accountsByType = self.safe_value(self.options, 'accountsByType', {})
        fromId = self.safe_string(accountsByType, fromAccount, fromAccount)
        toId = self.safe_string(accountsByType, toAccount, toAccount)
        request = {}
        fromSwap = (fromAccount == 'swap')
        toSwap = (toAccount == 'swap')
        response = None
        amountString = self.currency_to_precision(code, amount)
        if fromSwap or toSwap:
            if (fromId != '1') and (toId != '1'):
                raise ExchangeError(self.id + ' transfer() supports transferring between spot and swap, spot and margin, spot and OTC only')
            request['type'] = 1 if toSwap else 2  # 1 = spot to swap, 2 = swap to spot
            request['currency'] = currencyId
            request['transfer_amount'] = amountString
            #
            #     {
            #         "code": 0,
            #         "data": {
            #             "type": 2,
            #             "currency": "USDT",
            #             "transfer_amount": "5"
            #         }
            #     }
            #
            response = await self.privateSwapPostAccountTransfer(self.extend(request, params))
        else:
            request['currency_mark'] = currencyId
            request['num'] = amountString
            request['from'] = fromId  # 1 = SPOT, 2 = MARGIN, 3 = OTC
            request['to'] = toId  # 1 = SPOT, 2 = MARGIN, 3 = OTC
            #
            #     {
            #         "code": 0
            #     }
            #
            response = await self.privateSpotPostTransfer(self.extend(request, params))
        return self.parse_transfer(response, currency)

    async def withdraw(self, code: str, amount: float, address: str, tag: Str = None, params={}) -> Transaction:
        """
        make a withdrawal
        :param str code: unified currency code
        :param float amount: the amount to withdraw
        :param str address: the address to withdraw to
        :param str tag:
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `transaction structure <https://docs.ccxt.com/#/?id=transaction-structure>`
        """
        tag, params = self.handle_withdraw_tag_and_params(tag, params)
        self.check_address(address)
        await self.load_markets()
        currency = self.currency(code)
        request: dict = {
            # 'chain': 'ERC20', 'OMNI', 'TRC20',  # required for USDT
            'address': address,
            'amount': self.currency_to_precision(code, amount),
            'currency': currency['id'],
        }
        if tag is not None:
            request['memo'] = tag
        response = await self.privateSpotPostWithdrawNew(self.extend(request, params))
        #
        #     {
        #         "code": 200,
        #         "withdraw_id": 700
        #     }
        #
        return self.parse_transaction(response, currency)

    async def fetch_borrow_interest(self, code: Str = None, symbol: Str = None, since: Int = None, limit: Int = None, params={}) -> List[BorrowInterest]:
        await self.load_markets()
        request: dict = {}
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        response = await self.privateSpotGetMarginPositions(self.extend(request, params))
        #
        #     {
        #         "margin": "45.71246418952618",
        #         "code": 0,
        #         "margin_rate": "7.141978570340037",
        #         "positions": [
        #             {
        #                 "amount": 0.0006103,
        #                 "side": "go_long",
        #                 "entry_price": 31428.72,
        #                 "liquidation_rate": 0.3,
        #                 "liquidation_price": 10225.335481159,
        #                 "unrealized_roe": -0.0076885829266987,
        #                 "symbol": "BTC_USDT",
        #                 "unrealized_pnl": -0.049158102631999,
        #                 "leverage_ratio": 3
        #             }
        #         ],
        #         "unrealized_pnl": "-0.049158102631998504"
        #     }
        #
        rows = self.safe_value(response, 'positions')
        interest = self.parse_borrow_interests(rows, market)
        return self.filter_by_currency_since_limit(interest, code, since, limit)

    def parse_borrow_interest(self, info: dict, market: Market = None) -> BorrowInterest:
        #
        #     {
        #         "amount": 0.0006103,
        #         "side": "go_long",
        #         "entry_price": 31428.72,
        #         "liquidation_rate": 0.3,
        #         "liquidation_price": 10225.335481159,
        #         "unrealized_roe": -0.0076885829266987,
        #         "symbol": "BTC_USDT",
        #         "unrealized_pnl": -0.049158102631999,
        #         "leverage_ratio": 3
        #     }
        #
        marketId = self.safe_string(info, 'symbol')
        amountString = self.safe_string(info, 'amount')
        leverageString = self.safe_string(info, 'leverage_ratio')
        amountInvested = Precise.string_div(amountString, leverageString)
        amountBorrowed = Precise.string_sub(amountString, amountInvested)
        currency = None if (market is None) else market['base']
        symbol = self.safe_symbol(marketId, market)
        return {
            'info': info,
            'symbol': symbol,
            'currency': currency,
            'interest': None,
            'interestRate': 0.001,  # all interest rates on digifinex are 0.1%
            'amountBorrowed': self.parse_number(amountBorrowed),
            'marginMode': None,
            'timestamp': None,
            'datetime': None,
        }

    async def fetch_cross_borrow_rate(self, code: str, params={}) -> CrossBorrowRate:
        """
        fetch the rate of interest to borrow a currency for margin trading

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#margin-assets

        :param str code: unified currency code
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `borrow rate structure <https://github.com/ccxt/ccxt/wiki/Manual#borrow-rate-structure>`
        """
        await self.load_markets()
        request: dict = {}
        response = await self.privateSpotGetMarginAssets(self.extend(request, params))
        #
        #     {
        #         "list": [
        #             {
        #                 "valuation_rate": 1,
        #                 "total": 1.92012186174,
        #                 "free": 1.92012186174,
        #                 "currency": "USDT"
        #             },
        #         ],
        #         "total": 45.133305540922,
        #         "code": 0,
        #         "unrealized_pnl": 0,
        #         "free": 45.133305540922,
        #         "equity": 45.133305540922
        #     }
        #
        data = self.safe_value(response, 'list', [])
        result = []
        for i in range(0, len(data)):
            entry = data[i]
            if self.safe_string(entry, 'currency') == code:
                result = entry
        currency = self.currency(code)
        return self.parse_borrow_rate(result, currency)

    async def fetch_cross_borrow_rates(self, params={}) -> CrossBorrowRates:
        """
        fetch the borrow interest rates of all currencies

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#margin-assets

        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a list of `borrow rate structures <https://docs.ccxt.com/#/?id=borrow-rate-structure>`
        """
        await self.load_markets()
        response = await self.privateSpotGetMarginAssets(params)
        #
        #     {
        #         "list": [
        #             {
        #                 "valuation_rate": 1,
        #                 "total": 1.92012186174,
        #                 "free": 1.92012186174,
        #                 "currency": "USDT"
        #             },
        #         ],
        #         "total": 45.133305540922,
        #         "code": 0,
        #         "unrealized_pnl": 0,
        #         "free": 45.133305540922,
        #         "equity": 45.133305540922
        #     }
        #
        result = self.safe_value(response, 'list', [])
        return self.parse_borrow_rates(result, 'currency')

    def parse_borrow_rate(self, info, currency: Currency = None):
        #
        #     {
        #         "valuation_rate": 1,
        #         "total": 1.92012186174,
        #         "free": 1.92012186174,
        #         "currency": "USDT"
        #     }
        #
        timestamp = self.milliseconds()
        currencyId = self.safe_string(info, 'currency')
        return {
            'currency': self.safe_currency_code(currencyId, currency),
            'rate': 0.001,  # all interest rates on digifinex are 0.1%
            'period': 86400000,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'info': info,
        }

    def parse_borrow_rates(self, info, codeKey):
        #
        #     {
        #         "valuation_rate": 1,
        #         "total": 1.92012186174,
        #         "free": 1.92012186174,
        #         "currency": "USDT"
        #     },
        #
        result: dict = {}
        for i in range(0, len(info)):
            item = info[i]
            currency = self.safe_string(item, codeKey)
            code = self.safe_currency_code(currency)
            borrowRate = self.parse_borrow_rate(item)
            result[code] = borrowRate
        return result

    async def fetch_funding_rate(self, symbol: str, params={}) -> FundingRate:
        """
        fetch the current funding rate

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#currentfundingrate

        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `funding rate structure <https://docs.ccxt.com/#/?id=funding-rate-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        if not market['swap']:
            raise BadSymbol(self.id + ' fetchFundingRate() supports swap contracts only')
        request: dict = {
            'instrument_id': market['id'],
        }
        response = await self.publicSwapGetPublicFundingRate(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "funding_rate": "-0.00012",
        #             "funding_time": 1662710400000,
        #             "next_funding_rate": "0.0001049907085171607",
        #             "next_funding_time": 1662739200000
        #         }
        #     }
        #
        data = self.safe_dict(response, 'data', {})
        return self.parse_funding_rate(data, market)

    async def fetch_funding_interval(self, symbol: str, params={}) -> FundingRate:
        """
        fetch the current funding rate interval

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#currentfundingrate

        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `funding rate structure <https://docs.ccxt.com/#/?id=funding-rate-structure>`
        """
        return await self.fetch_funding_rate(symbol, params)

    def parse_funding_rate(self, contract, market: Market = None) -> FundingRate:
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "funding_rate": "-0.00012",
        #         "funding_time": 1662710400000,
        #         "next_funding_rate": "0.0001049907085171607",
        #         "next_funding_time": 1662739200000
        #     }
        #
        marketId = self.safe_string(contract, 'instrument_id')
        timestamp = self.safe_integer(contract, 'funding_time')
        nextTimestamp = self.safe_integer(contract, 'next_funding_time')
        fundingTimeString = self.safe_string(contract, 'funding_time')
        nextFundingTimeString = self.safe_string(contract, 'next_funding_time')
        millisecondsInterval = Precise.string_sub(nextFundingTimeString, fundingTimeString)
        return {
            'info': contract,
            'symbol': self.safe_symbol(marketId, market),
            'markPrice': None,
            'indexPrice': None,
            'interestRate': None,
            'estimatedSettlePrice': None,
            'timestamp': None,
            'datetime': None,
            'fundingRate': self.safe_number(contract, 'funding_rate'),
            'fundingTimestamp': timestamp,
            'fundingDatetime': self.iso8601(timestamp),
            'nextFundingRate': self.safe_number(contract, 'next_funding_rate'),
            'nextFundingTimestamp': nextTimestamp,
            'nextFundingDatetime': self.iso8601(nextTimestamp),
            'previousFundingRate': None,
            'previousFundingTimestamp': None,
            'previousFundingDatetime': None,
            'interval': self.parse_funding_interval(millisecondsInterval),
        }

    def parse_funding_interval(self, interval):
        intervals: dict = {
            '3600000': '1h',
            '14400000': '4h',
            '28800000': '8h',
            '57600000': '16h',
            '86400000': '24h',
        }
        return self.safe_string(intervals, interval, interval)

    async def fetch_funding_rate_history(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetches historical funding rate prices
        :param str symbol: unified symbol of the market to fetch the funding rate history for
        :param int [since]: timestamp in ms of the earliest funding rate to fetch
        :param int [limit]: the maximum amount of `funding rate structures <https://docs.ccxt.com/#/?id=funding-rate-history-structure>` to fetch
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `funding rate structures <https://docs.ccxt.com/#/?id=funding-rate-history-structure>`
        """
        if symbol is None:
            raise ArgumentsRequired(self.id + ' fetchFundingRateHistory() requires a symbol argument')
        await self.load_markets()
        market = self.market(symbol)
        if not market['swap']:
            raise BadSymbol(self.id + ' fetchFundingRateHistory() supports swap contracts only')
        request: dict = {
            'instrument_id': market['id'],
        }
        if since is not None:
            request['start_timestamp'] = since
        if limit is not None:
            request['limit'] = limit
        response = await self.publicSwapGetPublicFundingRateHistory(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "funding_rates": [
        #                 {
        #                     "rate": "-0.00375",
        #                     "time": 1607673600000
        #                 },
        #                 ...
        #             ]
        #         }
        #     }
        #
        data = self.safe_value(response, 'data', {})
        result = self.safe_value(data, 'funding_rates', [])
        rates = []
        for i in range(0, len(result)):
            entry = result[i]
            marketId = self.safe_string(data, 'instrument_id')
            symbolInner = self.safe_symbol(marketId)
            timestamp = self.safe_integer(entry, 'time')
            rates.append({
                'info': entry,
                'symbol': symbolInner,
                'fundingRate': self.safe_number(entry, 'rate'),
                'timestamp': timestamp,
                'datetime': self.iso8601(timestamp),
            })
        sorted = self.sort_by(rates, 'timestamp')
        return self.filter_by_symbol_since_limit(sorted, symbol, since, limit)

    async def fetch_trading_fee(self, symbol: str, params={}) -> TradingFeeInterface:
        """
        fetch the trading fees for a market

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#tradingfee

        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `fee structure <https://docs.ccxt.com/#/?id=fee-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        if not market['swap']:
            raise BadRequest(self.id + ' fetchTradingFee() supports swap markets only')
        request: dict = {
            'instrument_id': market['id'],
        }
        response = await self.privateSwapGetAccountTradingFeeRate(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "taker_fee_rate": "0.0005",
        #             "maker_fee_rate": "0.0003"
        #         }
        #     }
        #
        data = self.safe_value(response, 'data', {})
        return self.parse_trading_fee(data, market)

    def parse_trading_fee(self, fee: dict, market: Market = None) -> TradingFeeInterface:
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "taker_fee_rate": "0.0005",
        #         "maker_fee_rate": "0.0003"
        #     }
        #
        marketId = self.safe_string(fee, 'instrument_id')
        symbol = self.safe_symbol(marketId, market)
        return {
            'info': fee,
            'symbol': symbol,
            'maker': self.safe_number(fee, 'maker_fee_rate'),
            'taker': self.safe_number(fee, 'taker_fee_rate'),
            'percentage': None,
            'tierBased': None,
        }

    async def fetch_positions(self, symbols: Strings = None, params={}) -> List[Position]:
        """
        fetch all open positions

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#margin-positions
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#positions

        :param str[]|None symbols: list of unified market symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `position structures <https://docs.ccxt.com/#/?id=position-structure>`
        """
        await self.load_markets()
        symbols = self.market_symbols(symbols)
        request: dict = {}
        market = None
        marketType = None
        if symbols is not None:
            symbol = None
            if isinstance(symbols, list):
                symbolsLength = len(symbols)
                if symbolsLength > 1:
                    raise BadRequest(self.id + ' fetchPositions() symbols argument cannot contain more than 1 symbol')
                symbol = symbols[0]
            else:
                symbol = symbols
            market = self.market(symbol)
        marketType, params = self.handle_market_type_and_params('fetchPositions', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchPositions', params)
        if marginMode is not None:
            marketType = 'margin'
        if market is not None:
            marketIdRequest = 'instrument_id' if (marketType == 'swap') else 'symbol'
            request[marketIdRequest] = market['id']
        response = None
        if marketType == 'spot' or marketType == 'margin':
            response = await self.privateSpotGetMarginPositions(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetAccountPositions(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchPositions() not support self market type')
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "margin_mode": "crossed",
        #                 "avail_position": "1",
        #                 "avg_cost": "18369.3",
        #                 "last": "18404.7",
        #                 "leverage": "20",
        #                 "liquidation_price": "451.12820512820264",
        #                 "maint_margin_ratio": "0.005",
        #                 "margin": "0.918465",
        #                 "position": "1",
        #                 "realized_pnl": "0",
        #                 "unrealized_pnl": "0.03410000000000224",
        #                 "unrealized_pnl_rate": "0.03712716325608732",
        #                 "side": "long",
        #                 "open_outstanding": "0",
        #                 "risk_score": "0.495049504950495",
        #                 "margin_ratio": "0.4029464788983229",
        #                 "timestamp": 1667960497145
        #             },
        #             ...
        #         ]
        #     }
        #
        # margin
        #
        #     {
        #         "margin": "77.71534772983289",
        #         "code": 0,
        #         "margin_rate": "10.284503769497306",
        #         "positions": [
        #             {
        #                 "amount": 0.0010605,
        #                 "side": "go_long",
        #                 "entry_price": 18321.39,
        #                 "liquidation_rate": 0.3,
        #                 "liquidation_price": -52754.371758471,
        #                 "unrealized_roe": -0.002784390267332,
        #                 "symbol": "BTC_USDT",
        #                 "unrealized_pnl": -0.010820048189999,
        #                 "leverage_ratio": 5
        #             },
        #             ...
        #         ],
        #         "unrealized_pnl": "-0.10681600018999979"
        #     }
        #
        positionRequest = 'data' if (marketType == 'swap') else 'positions'
        positions = self.safe_value(response, positionRequest, [])
        result = []
        for i in range(0, len(positions)):
            result.append(self.parse_position(positions[i], market))
        return self.filter_by_array_positions(result, 'symbol', symbols, False)

    async def fetch_position(self, symbol: str, params={}):
        """

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#margin-positions
        https://docs.digifinex.com/en-ww/swap/v2/rest.html#positions

        fetch data on a single open contract trade position
        :param str symbol: unified market symbol of the market the position is held in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `position structure <https://docs.ccxt.com/#/?id=position-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {}
        marketType = None
        marketType, params = self.handle_market_type_and_params('fetchPosition', market, params)
        marginMode, query = self.handle_margin_mode_and_params('fetchPosition', params)
        if marginMode is not None:
            marketType = 'margin'
        marketIdRequest = 'instrument_id' if (marketType == 'swap') else 'symbol'
        request[marketIdRequest] = market['id']
        response = None
        if marketType == 'spot' or marketType == 'margin':
            response = await self.privateSpotGetMarginPositions(self.extend(request, query))
        elif marketType == 'swap':
            response = await self.privateSwapGetAccountPositions(self.extend(request, query))
        else:
            raise NotSupported(self.id + ' fetchPosition() not support self market type')
        #
        # swap
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "margin_mode": "crossed",
        #                 "avail_position": "1",
        #                 "avg_cost": "18369.3",
        #                 "last": "18388.9",
        #                 "leverage": "20",
        #                 "liquidation_price": "383.38712921065553",
        #                 "maint_margin_ratio": "0.005",
        #                 "margin": "0.918465",
        #                 "position": "1",
        #                 "realized_pnl": "0",
        #                 "unrealized_pnl": "0.021100000000004115",
        #                 "unrealized_pnl_rate": "0.02297311274790451",
        #                 "side": "long",
        #                 "open_outstanding": "0",
        #                 "risk_score": "0.4901960784313725",
        #                 "margin_ratio": "0.40486964045976204",
        #                 "timestamp": 1667960241758
        #             }
        #         ]
        #     }
        #
        # margin
        #
        #     {
        #         "margin": "77.71534772983289",
        #         "code": 0,
        #         "margin_rate": "10.284503769497306",
        #         "positions": [
        #             {
        #                 "amount": 0.0010605,
        #                 "side": "go_long",
        #                 "entry_price": 18321.39,
        #                 "liquidation_rate": 0.3,
        #                 "liquidation_price": -52754.371758471,
        #                 "unrealized_roe": -0.002784390267332,
        #                 "symbol": "BTC_USDT",
        #                 "unrealized_pnl": -0.010820048189999,
        #                 "leverage_ratio": 5
        #             }
        #         ],
        #         "unrealized_pnl": "-0.10681600018999979"
        #     }
        #
        dataRequest = 'data' if (marketType == 'swap') else 'positions'
        data = self.safe_value(response, dataRequest, [])
        position = self.parse_position(data[0], market)
        if marketType == 'swap':
            return position
        else:
            position['collateral'] = self.safe_number(response, 'margin')
            position['marginRatio'] = self.safe_number(response, 'margin_rate')
            return position

    def parse_position(self, position: dict, market: Market = None):
        #
        # swap
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "margin_mode": "crossed",
        #         "avail_position": "1",
        #         "avg_cost": "18369.3",
        #         "last": "18388.9",
        #         "leverage": "20",
        #         "liquidation_price": "383.38712921065553",
        #         "maint_margin_ratio": "0.005",
        #         "margin": "0.918465",
        #         "position": "1",
        #         "realized_pnl": "0",
        #         "unrealized_pnl": "0.021100000000004115",
        #         "unrealized_pnl_rate": "0.02297311274790451",
        #         "side": "long",
        #         "open_outstanding": "0",
        #         "risk_score": "0.4901960784313725",
        #         "margin_ratio": "0.40486964045976204",
        #         "timestamp": 1667960241758
        #     }
        #
        # margin
        #
        #     {
        #         "amount": 0.0010605,
        #         "side": "go_long",
        #         "entry_price": 18321.39,
        #         "liquidation_rate": 0.3,
        #         "liquidation_price": -52754.371758471,
        #         "unrealized_roe": -0.002784390267332,
        #         "symbol": "BTC_USDT",
        #         "unrealized_pnl": -0.010820048189999,
        #         "leverage_ratio": 5
        #     }
        #
        marketId = self.safe_string_2(position, 'instrument_id', 'symbol')
        market = self.safe_market(marketId, market)
        symbol = market['symbol']
        marginMode = self.safe_string(position, 'margin_mode')
        if marginMode is not None:
            marginMode = 'cross' if (marginMode == 'crossed') else 'isolated'
        else:
            marginMode = 'crossed'
        timestamp = self.safe_integer(position, 'timestamp')
        side = self.safe_string(position, 'side')
        if side == 'go_long':
            side = 'long'
        elif side == 'go_short':
            side = 'short'
        return self.safe_position({
            'info': position,
            'id': None,
            'symbol': symbol,
            'notional': self.safe_number(position, 'amount'),
            'marginMode': marginMode,
            'liquidationPrice': self.safe_number(position, 'liquidation_price'),
            'entryPrice': self.safe_number_2(position, 'avg_cost', 'entry_price'),
            'unrealizedPnl': self.safe_number(position, 'unrealized_pnl'),
            'contracts': self.safe_number(position, 'avail_position'),
            'contractSize': self.safe_number(market, 'contractSize'),
            'markPrice': self.safe_number(position, 'last'),
            'side': side,
            'hedged': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'maintenanceMargin': self.safe_number(position, 'margin'),
            'maintenanceMarginPercentage': self.safe_number(position, 'maint_margin_ratio'),
            'collateral': None,
            'initialMargin': None,
            'initialMarginPercentage': None,
            'leverage': self.safe_number_2(position, 'leverage', 'leverage_ratio'),
            'marginRatio': self.safe_number(position, 'margin_ratio'),
            'percentage': None,
            'stopLossPrice': None,
            'takeProfitPrice': None,
        })

    async def set_leverage(self, leverage: int, symbol: Str = None, params={}):
        """
        set the level of leverage for a market

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#setleverage

        :param float leverage: the rate of leverage
        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.marginMode]: either 'cross' or 'isolated', default is cross
        :param str [params.side]: either 'long' or 'short', required for isolated markets only
        :returns dict: response from the exchange
        """
        if symbol is None:
            raise ArgumentsRequired(self.id + ' setLeverage() requires a symbol argument')
        await self.load_markets()
        market = self.market(symbol)
        if market['type'] != 'swap':
            raise BadSymbol(self.id + ' setLeverage() supports swap contracts only')
        if (leverage < 1) or (leverage > 100):
            raise BadRequest(self.id + ' leverage should be between 1 and 100')
        request: dict = {
            'instrument_id': market['id'],
            'leverage': leverage,
        }
        defaultMarginMode = self.safe_string_2(self.options, 'marginMode', 'defaultMarginMode')
        marginMode = self.safe_string_lower_2(params, 'marginMode', 'defaultMarginMode', defaultMarginMode)
        if marginMode is not None:
            marginMode = 'crossed' if (marginMode == 'cross') else 'isolated'
            request['margin_mode'] = marginMode
            params = self.omit(params, ['marginMode', 'defaultMarginMode'])
        if marginMode == 'isolated':
            side = self.safe_string(params, 'side')
            if side is not None:
                request['side'] = side
                params = self.omit(params, 'side')
            else:
                self.check_required_argument('setLeverage', side, 'side', ['long', 'short'])
        return await self.privateSwapPostAccountLeverage(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "leverage": 30,
        #             "margin_mode": "crossed",
        #             "side": "both"
        #         }
        #     }
        #

    async def fetch_transfers(self, code: Str = None, since: Int = None, limit: Int = None, params={}) -> List[TransferEntry]:
        """
        fetch the transfer history, only transfers between spot and swap accounts are supported

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#transferrecord

        :param str code: unified currency code of the currency transferred
        :param int [since]: the earliest time in ms to fetch transfers for
        :param int [limit]: the maximum number of  transfers to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `transfer structures <https://docs.ccxt.com/#/?id=transfer-structure>`
        """
        await self.load_markets()
        currency = None
        request: dict = {}
        if code is not None:
            currency = self.safe_currency_code(code)
            request['currency'] = currency['id']
        if since is not None:
            request['start_timestamp'] = since
        if limit is not None:
            request['limit'] = limit  # default 20 max 100
        response = await self.privateSwapGetAccountTransferRecord(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "transfer_id": 130524,
        #                 "type": 1,
        #                 "currency": "USDT",
        #                 "amount": "24",
        #                 "timestamp": 1666505659000
        #             },
        #             ...
        #         ]
        #     }
        #
        transfers = self.safe_list(response, 'data', [])
        return self.parse_transfers(transfers, currency, since, limit)

    async def fetch_leverage_tiers(self, symbols: Strings = None, params={}) -> LeverageTiers:
        """

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#instruments

        retrieve information on the maximum leverage, for different trade sizes
        :param str[]|None symbols: a list of unified market symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a dictionary of `leverage tiers structures <https://docs.ccxt.com/#/?id=leverage-tiers-structure>`, indexed by market symbols
        """
        await self.load_markets()
        response = await self.publicSwapGetPublicInstruments(params)
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "type": "REAL",
        #                 "contract_type": "PERPETUAL",
        #                 "base_currency": "BTC",
        #                 "quote_currency": "USDT",
        #                 "clear_currency": "USDT",
        #                 "contract_value": "0.001",
        #                 "contract_value_currency": "BTC",
        #                 "is_inverse": False,
        #                 "is_trading": True,
        #                 "status": "ONLINE",
        #                 "price_precision": 1,
        #                 "tick_size": "0.1",
        #                 "min_order_amount": 1,
        #                 "open_max_limits": [
        #                     {
        #                         "leverage": "50",
        #                         "max_limit": "1000000"
        #                     },
        #                 ]
        #             },
        #         ]
        #     }
        #
        data = self.safe_value(response, 'data', [])
        symbols = self.market_symbols(symbols)
        return self.parse_leverage_tiers(data, symbols, 'instrument_id')

    async def fetch_market_leverage_tiers(self, symbol: str, params={}) -> List[LeverageTier]:
        """
        retrieve information on the maximum leverage, for different trade sizes for a single market

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#instrument

        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a `leverage tiers structure <https://docs.ccxt.com/#/?id=leverage-tiers-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        if not market['swap']:
            raise BadRequest(self.id + ' fetchMarketLeverageTiers() supports swap markets only')
        request: dict = {
            'instrument_id': market['id'],
        }
        response = await self.publicSwapGetPublicInstrument(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "type": "REAL",
        #             "contract_type": "PERPETUAL",
        #             "base_currency": "BTC",
        #             "quote_currency": "USDT",
        #             "clear_currency": "USDT",
        #             "contract_value": "0.001",
        #             "contract_value_currency": "BTC",
        #             "is_inverse": False,
        #             "is_trading": True,
        #             "status": "ONLINE",
        #             "price_precision": 1,
        #             "tick_size": "0.1",
        #             "min_order_amount": 1,
        #             "open_max_limits": [
        #                 {
        #                     "leverage": "50",
        #                     "max_limit": "1000000"
        #                 }
        #             ]
        #         }
        #     }
        #
        data = self.safe_value(response, 'data', {})
        return self.parse_market_leverage_tiers(data, market)

    def parse_market_leverage_tiers(self, info, market: Market = None) -> List[LeverageTier]:
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "type": "REAL",
        #         "contract_type": "PERPETUAL",
        #         "base_currency": "BTC",
        #         "quote_currency": "USDT",
        #         "clear_currency": "USDT",
        #         "contract_value": "0.001",
        #         "contract_value_currency": "BTC",
        #         "is_inverse": False,
        #         "is_trading": True,
        #         "status": "ONLINE",
        #         "price_precision": 1,
        #         "tick_size": "0.1",
        #         "min_order_amount": 1,
        #         "open_max_limits": [
        #             {
        #                 "leverage": "50",
        #                 "max_limit": "1000000"
        #             }
        #         ]
        #     }
        #
        tiers = []
        brackets = self.safe_value(info, 'open_max_limits', {})
        for i in range(0, len(brackets)):
            tier = brackets[i]
            marketId = self.safe_string(info, 'instrument_id')
            market = self.safe_market(marketId, market)
            tiers.append({
                'tier': self.sum(i, 1),
                'symbol': self.safe_symbol(marketId, market, None, 'swap'),
                'currency': market['settle'],
                'minNotional': None,
                'maxNotional': self.safe_number(tier, 'max_limit'),
                'maintenanceMarginRate': None,
                'maxLeverage': self.safe_number(tier, 'leverage'),
                'info': tier,
            })
        return tiers

    def handle_margin_mode_and_params(self, methodName, params={}, defaultValue=None):
        """
 @ignore
        marginMode specified by params["marginMode"], self.options["marginMode"], self.options["defaultMarginMode"], params["margin"] = True or self.options["defaultType"] = 'margin'
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns Array: the marginMode in lowercase
        """
        defaultType = self.safe_string(self.options, 'defaultType')
        isMargin = self.safe_bool(params, 'margin', False)
        marginMode = None
        marginMode, params = super(digifinex, self).handle_margin_mode_and_params(methodName, params, defaultValue)
        if marginMode is not None:
            if marginMode != 'cross':
                raise NotSupported(self.id + ' only cross margin is supported')
        else:
            if (defaultType == 'margin') or (isMargin is True):
                marginMode = 'cross'
        return [marginMode, params]

    async def fetch_deposit_withdraw_fees(self, codes: Strings = None, params={}):
        """
        fetch deposit and withdraw fees

        https://docs.digifinex.com/en-ww/spot/v3/rest.html#get-currency-deposit-and-withdrawal-information

        :param str[]|None codes: not used by fetchDepositWithdrawFees()
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: a list of `fee structures <https://docs.ccxt.com/#/?id=fee-structure>`
        """
        await self.load_markets()
        response = await self.publicSpotGetCurrencies(params)
        #
        #   {
        #       "data": [
        #           {
        #               "deposit_status": 0,
        #               "min_withdraw_fee": 5,
        #               "withdraw_fee_currency": "USDT",
        #               "chain": "OMNI",
        #               "withdraw_fee_rate": 0,
        #               "min_withdraw_amount": 10,
        #               "currency": "USDT",
        #               "withdraw_status": 0,
        #               "min_deposit_amount": 10
        #           },
        #           {
        #               "deposit_status": 1,
        #               "min_withdraw_fee": 5,
        #               "withdraw_fee_currency": "USDT",
        #               "chain": "ERC20",
        #               "withdraw_fee_rate": 0,
        #               "min_withdraw_amount": 10,
        #               "currency": "USDT",
        #               "withdraw_status": 1,
        #               "min_deposit_amount": 10
        #           },
        #       ],
        #       "code": 200,
        #   }
        #
        data = self.safe_list(response, 'data')
        return self.parse_deposit_withdraw_fees(data, codes)

    def parse_deposit_withdraw_fees(self, response, codes=None, currencyIdKey=None):
        #
        #     [
        #         {
        #             "deposit_status": 0,
        #             "min_withdraw_fee": 5,
        #             "withdraw_fee_currency": "USDT",
        #             "chain": "OMNI",
        #             "withdraw_fee_rate": 0,
        #             "min_withdraw_amount": 10,
        #             "currency": "USDT",
        #             "withdraw_status": 0,
        #             "min_deposit_amount": 10
        #         },
        #         {
        #             "deposit_status": 1,
        #             "min_withdraw_fee": 5,
        #             "withdraw_fee_currency": "USDT",
        #             "chain": "ERC20",
        #             "withdraw_fee_rate": 0,
        #             "min_withdraw_amount": 10,
        #             "currency": "USDT",
        #             "withdraw_status": 1,
        #             "min_deposit_amount": 10
        #         },
        #     ]
        #
        depositWithdrawFees: dict = {}
        codes = self.market_codes(codes)
        for i in range(0, len(response)):
            entry = response[i]
            currencyId = self.safe_string(entry, 'currency')
            code = self.safe_currency_code(currencyId)
            if (codes is None) or (self.in_array(code, codes)):
                depositWithdrawFee = self.safe_value(depositWithdrawFees, code)
                if depositWithdrawFee is None:
                    depositWithdrawFees[code] = self.deposit_withdraw_fee({})
                    depositWithdrawFees[code]['info'] = []
                depositWithdrawInfo = depositWithdrawFees[code]['info']
                depositWithdrawInfo.append(entry)
                networkId = self.safe_string(entry, 'chain')
                withdrawFee = self.safe_value(entry, 'min_withdraw_fee')
                withdrawResult: dict = {
                    'fee': withdrawFee,
                    'percentage': False if (withdrawFee is not None) else None,
                }
                depositResult: dict = {
                    'fee': None,
                    'percentage': None,
                }
                if networkId is not None:
                    networkCode = self.network_id_to_code(networkId)
                    depositWithdrawFees[code]['networks'][networkCode] = {
                        'withdraw': withdrawResult,
                        'deposit': depositResult,
                    }
                else:
                    depositWithdrawFees[code]['withdraw'] = withdrawResult
                    depositWithdrawFees[code]['deposit'] = depositResult
        depositWithdrawCodes = list(depositWithdrawFees.keys())
        for i in range(0, len(depositWithdrawCodes)):
            code = depositWithdrawCodes[i]
            currency = self.currency(code)
            depositWithdrawFees[code] = self.assign_default_deposit_withdraw_fees(depositWithdrawFees[code], currency)
        return depositWithdrawFees

    async def add_margin(self, symbol: str, amount: float, params={}) -> MarginModification:
        """
        add margin to a position

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#positionmargin

        :param str symbol: unified market symbol
        :param float amount: amount of margin to add
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str params['side']: the position side: 'long' or 'short'
        :returns dict: a `margin structure <https://docs.ccxt.com/#/?id=margin-structure>`
        """
        side = self.safe_string(params, 'side')
        self.check_required_argument('addMargin', side, 'side', ['long', 'short'])
        return await self.modify_margin_helper(symbol, amount, 1, params)

    async def reduce_margin(self, symbol: str, amount: float, params={}) -> MarginModification:
        """
        remove margin from a position

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#positionmargin

        :param str symbol: unified market symbol
        :param float amount: the amount of margin to remove
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str params['side']: the position side: 'long' or 'short'
        :returns dict: a `margin structure <https://docs.ccxt.com/#/?id=margin-structure>`
        """
        side = self.safe_string(params, 'side')
        self.check_required_argument('reduceMargin', side, 'side', ['long', 'short'])
        return await self.modify_margin_helper(symbol, amount, 2, params)

    async def modify_margin_helper(self, symbol: str, amount, type, params={}) -> MarginModification:
        await self.load_markets()
        side = self.safe_string(params, 'side')
        market = self.market(symbol)
        request: dict = {
            'instrument_id': market['id'],
            'amount': self.number_to_string(amount),
            'type': type,
            'side': side,
        }
        response = await self.privateSwapPostAccountPositionMargin(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": {
        #             "instrument_id": "BTCUSDTPERP",
        #             "side": "long",
        #             "type": 1,
        #             "amount": "3.6834"
        #         }
        #     }
        #
        code = self.safe_integer(response, 'code')
        status = 'ok' if (code == 0) else 'failed'
        data = self.safe_value(response, 'data', {})
        return self.extend(self.parse_margin_modification(data, market), {
            'status': status,
        })

    def parse_margin_modification(self, data: dict, market: Market = None) -> MarginModification:
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "side": "long",
        #         "type": 1,
        #         "amount": "3.6834"
        #     }
        #
        marketId = self.safe_string(data, 'instrument_id')
        rawType = self.safe_integer(data, 'type')
        return {
            'info': data,
            'symbol': self.safe_symbol(marketId, market, None, 'swap'),
            'type': 'add' if (rawType == 1) else 'reduce',
            'marginMode': 'isolated',
            'amount': self.safe_number(data, 'amount'),
            'total': None,
            'code': market['settle'],
            'status': None,
            'timestamp': None,
            'datetime': None,
        }

    async def fetch_funding_history(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetch the history of funding payments paid and received on self account

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#funding-fee

        :param str [symbol]: unified market symbol
        :param int [since]: the earliest time in ms to fetch funding history for
        :param int [limit]: the maximum number of funding history structures to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param int [params.until]: timestamp in ms of the latest funding payment
        :returns dict: a `funding history structure <https://docs.ccxt.com/#/?id=funding-history-structure>`
        """
        await self.load_markets()
        request: dict = {}
        request, params = self.handle_until_option('end_timestamp', request, params)
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['instrument_id'] = market['id']
        if limit is not None:
            request['limit'] = limit
        if since is not None:
            request['start_timestamp'] = since
        response = await self.privateSwapGetAccountFundingFee(self.extend(request, params))
        #
        #     {
        #         "code": 0,
        #         "data": [
        #             {
        #                 "instrument_id": "BTCUSDTPERP",
        #                 "currency": "USDT",
        #                 "amount": "-0.000342814",
        #                 "timestamp": 1698768009440
        #             }
        #         ]
        #     }
        #
        data = self.safe_list(response, 'data', [])
        return self.parse_incomes(data, market, since, limit)

    def parse_income(self, income, market: Market = None):
        #
        #     {
        #         "instrument_id": "BTCUSDTPERP",
        #         "currency": "USDT",
        #         "amount": "-0.000342814",
        #         "timestamp": 1698768009440
        #     }
        #
        marketId = self.safe_string(income, 'instrument_id')
        currencyId = self.safe_string(income, 'currency')
        timestamp = self.safe_integer(income, 'timestamp')
        return {
            'info': income,
            'symbol': self.safe_symbol(marketId, market, None, 'swap'),
            'code': self.safe_currency_code(currencyId),
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'id': None,
            'amount': self.safe_number(income, 'amount'),
        }

    async def set_margin_mode(self, marginMode: str, symbol: Str = None, params={}):
        """
        set margin mode to 'cross' or 'isolated'

        https://docs.digifinex.com/en-ww/swap/v2/rest.html#positionmode

        :param str marginMode: 'cross' or 'isolated'
        :param str symbol: unified market symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: response from the exchange
        """
        if symbol is None:
            raise ArgumentsRequired(self.id + ' setMarginMode() requires a symbol argument')
        await self.load_markets()
        market = self.market(symbol)
        marginMode = marginMode.lower()
        if marginMode == 'cross':
            marginMode = 'crossed'
        request: dict = {
            'instrument_id': market['id'],
            'margin_mode': marginMode,
        }
        return await self.privateSwapPostAccountPositionMode(self.extend(request, params))

    def sign(self, path, api=[], method='GET', params={}, headers=None, body=None):
        signed = api[0] == 'private'
        endpoint = api[1]
        pathPart = '/v3' if (endpoint == 'spot') else '/swap/v2'
        request = '/' + self.implode_params(path, params)
        payload = pathPart + request
        url = self.urls['api']['rest'] + payload
        query = self.omit(params, self.extract_params(path))
        urlencoded = None
        if signed and (pathPart == '/swap/v2') and (method == 'POST'):
            urlencoded = json.dumps(params)
        else:
            urlencoded = self.urlencode(self.keysort(query))
        if signed:
            auth = None
            nonce = None
            if pathPart == '/swap/v2':
                nonce = str(self.milliseconds())
                auth = nonce + method + payload
                if method == 'GET':
                    if urlencoded:
                        auth += '?' + urlencoded
                elif method == 'POST':
                    auth += urlencoded
            else:
                nonce = str(self.nonce())
                auth = urlencoded
            signature = self.hmac(self.encode(auth), self.encode(self.secret), hashlib.sha256)
            if method == 'GET':
                if urlencoded:
                    url += '?' + urlencoded
            elif method == 'POST':
                headers = {
                    'Content-Type': 'application/x-www-form-urlencoded',
                }
                if urlencoded:
                    body = urlencoded
            headers = {
                'ACCESS-KEY': self.apiKey,
                'ACCESS-SIGN': signature,
                'ACCESS-TIMESTAMP': nonce,
            }
        else:
            if urlencoded:
                url += '?' + urlencoded
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def handle_errors(self, statusCode: int, statusText: str, url: str, method: str, responseHeaders: dict, responseBody, response, requestHeaders, requestBody):
        if not response:
            return None  # fall back to default error handler
        code = self.safe_string(response, 'code')
        if (code == '0') or (code == '200'):
            return None  # no error
        feedback = self.id + ' ' + responseBody
        if code is None:
            raise BadResponse(feedback)
        unknownError = [ExchangeError, feedback]
        ExceptionClass, message = self.safe_value(self.exceptions['exact'], code, unknownError)
        raise ExceptionClass(message)
