# -*- 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.apex import ImplicitAPI
import hashlib
import math
from ccxt.base.types import Account, Any, Balances, Currencies, Currency, Int, Market, Num, Order, OrderBook, OrderSide, OrderType, Position, Str, Strings, Ticker, Tickers, Trade, MarketInterface, TransferEntry
from typing import List
from ccxt.base.errors import ExchangeError
from ccxt.base.errors import ArgumentsRequired
from ccxt.base.errors import BadRequest
from ccxt.base.errors import InvalidOrder
from ccxt.base.errors import RateLimitExceeded
from ccxt.base.decimal_to_precision import TRUNCATE
from ccxt.base.decimal_to_precision import TICK_SIZE
from ccxt.base.precise import Precise


class apex(Exchange, ImplicitAPI):

    def describe(self) -> Any:
        return self.deep_extend(super(apex, self).describe(), {
            'id': 'apex',
            'name': 'Apex',
            'countries': [],
            'version': 'v3',
            'rateLimit': 20,  # 600 requests per minute, 10 request per second
            'certified': False,
            'pro': True,
            'dex': True,
            'has': {
                'CORS': None,
                'spot': False,
                'margin': False,
                'swap': True,
                'future': False,
                'option': False,
                'addMargin': False,
                'borrowCrossMargin': False,
                'borrowIsolatedMargin': False,
                'cancelAllOrders': True,
                'cancelAllOrdersAfter': False,
                'cancelOrder': True,
                'cancelOrders': False,
                'cancelOrdersForSymbols': False,
                'closeAllPositions': False,
                'closePosition': False,
                'createMarketBuyOrderWithCost': False,
                'createMarketOrderWithCost': False,
                'createMarketSellOrderWithCost': False,
                'createOrder': True,
                'createOrders': False,
                'createPostOnlyOrder': True,
                'createReduceOnlyOrder': True,
                'createStopOrder': True,
                'createTriggerOrder': True,
                'editOrder': False,
                'fetchAccounts': True,
                'fetchBalance': True,
                'fetchBorrowInterest': False,
                'fetchBorrowRateHistories': False,
                'fetchBorrowRateHistory': False,
                'fetchCanceledAndClosedOrders': False,
                'fetchCanceledOrders': False,
                'fetchClosedOrders': False,
                'fetchCrossBorrowRate': False,
                'fetchCrossBorrowRates': False,
                'fetchCurrencies': True,
                'fetchDepositAddress': False,
                'fetchDepositAddresses': False,
                'fetchDeposits': False,
                'fetchDepositWithdrawFee': False,
                'fetchDepositWithdrawFees': False,
                'fetchFundingHistory': True,
                'fetchFundingRate': False,
                'fetchFundingRateHistory': True,
                'fetchFundingRates': False,
                'fetchIndexOHLCV': False,
                'fetchIsolatedBorrowRate': False,
                'fetchIsolatedBorrowRates': False,
                'fetchLedger': False,
                'fetchLeverage': False,
                'fetchLeverageTiers': False,
                'fetchLiquidations': False,
                'fetchMarginMode': False,
                'fetchMarketLeverageTiers': False,
                'fetchMarkets': True,
                'fetchMarkOHLCV': False,
                'fetchMyLiquidations': False,
                'fetchMyTrades': True,
                'fetchOHLCV': True,
                'fetchOpenInterest': True,
                'fetchOpenInterestHistory': False,
                'fetchOpenInterests': False,
                'fetchOpenOrders': True,
                'fetchOrder': True,
                'fetchOrderBook': True,
                'fetchOrders': True,
                'fetchOrderTrades': True,
                'fetchPosition': False,
                'fetchPositionMode': False,
                'fetchPositions': True,
                'fetchPositionsRisk': False,
                'fetchPremiumIndexOHLCV': False,
                'fetchTicker': True,
                'fetchTickers': True,
                'fetchTime': True,
                'fetchTrades': True,
                'fetchTradingFee': False,
                'fetchTradingFees': False,
                'fetchTransfer': True,
                'fetchTransfers': True,
                'fetchWithdrawal': False,
                'fetchWithdrawals': False,
                'reduceMargin': False,
                'repayCrossMargin': False,
                'repayIsolatedMargin': False,
                'sandbox': True,
                'setLeverage': True,
                'setMarginMode': False,
                'setPositionMode': False,
                'transfer': False,
                'withdraw': False,
            },
            'timeframes': {
                '1m': '1',
                '5m': '5',
                '15m': '15',
                '30m': '30',
                '1h': '60',
                '2h': '120',
                '4h': '240',
                '6h': '360',
                '12h': '720',
                '1d': 'D',
                '1w': 'W',
                '1M': 'M',
            },
            'hostname': 'omni.apex.exchange',
            'urls': {
                'logo': 'https://github.com/user-attachments/assets/fef8f2f7-4265-46aa-965e-33a91881cb00',
                'api': {
                    'public': 'https://{hostname}/api',
                    'private': 'https://{hostname}/api',
                },
                'test': {
                    'public': 'https://testnet.omni.apex.exchange/api',
                    'private': 'https://testnet.omni.apex.exchange/api',
                },
                'www': 'https://apex.exchange/',
                'doc': 'https://api-docs.pro.apex.exchange',
                'fees': 'https://apex-pro.gitbook.io/apex-pro/apex-omni-live-now/trading-perpetual-contracts/trading-fees',
                'referral': 'https://omni.apex.exchange/trade',
            },
            'api': {
                'public': {
                    'get': {
                        'v3/symbols': 1,
                        'v3/history-funding': 1,
                        'v3/ticker': 1,
                        'v3/klines': 1,
                        'v3/trades': 1,
                        'v3/depth': 1,
                        'v3/time': 1,
                        'v3/data/all-ticker-info': 1,
                    },
                },
                'private': {
                    'get': {
                        'v3/account': 1,
                        'v3/account-balance': 1,
                        'v3/fills': 1,
                        'v3/order-fills': 1,
                        'v3/order': 1,
                        'v3/history-orders': 1,
                        'v3/order-by-client-order-id': 1,
                        'v3/funding': 1,
                        'v3/historical-pnl': 1,
                        'v3/open-orders': 1,
                        'v3/transfers': 1,
                        'v3/transfer': 1,
                    },
                    'post': {
                        'v3/delete-open-orders': 1,
                        'v3/delete-client-order-id': 1,
                        'v3/delete-order': 1,
                        'v3/order': 1,
                        'v3/set-initial-margin-rate': 1,
                        'v3/transfer-out': 1,
                        'v3/contract-transfer-out': 1,
                    },
                },
            },
            'httpExceptions': {
                '403': RateLimitExceeded,  # Forbidden -- You request too many times
            },
            'exceptions': {
                # Uncodumented explanation of error strings:
                # - oc_diff: order cost needed to place self order
                # - new_oc: total order cost of open orders including the order you are trying to open
                # - ob: order balance - the total cost of current open orders
                # - ab: available balance
                'exact': {
                    '20006': 'apikey sign error',  # apikey sign error
                    '20016': 'request para error',  # apikey sign error
                    '10001': BadRequest,
                },
                'broad': {
                    'ORDER_PRICE_MUST_GREETER_ZERO': InvalidOrder,
                    'ORDER_POSSIBLE_LEAD_TO_ACCOUNT_LIQUIDATED': InvalidOrder,
                    'ORDER_WITH_THIS_PRICE_CANNOT_REDUCE_POSITION_ONLY': InvalidOrder,
                },
            },
            'fees': {
                'swap': {
                    'taker': self.parse_number('0.0005'),
                    'maker': self.parse_number('0.0002'),
                },
            },
            'requiredCredentials': {
                'apiKey': True,
                'secret': True,
                'walletAddress': False,
                'privateKey': False,
                'password': True,
            },
            'precisionMode': TICK_SIZE,
            'commonCurrencies': {},
            'options': {
                'defaultType': 'swap',
                'defaultSlippage': 0.05,
                'brokerId': '6956',
            },
            'features': {
                'default': {
                    'sandbox': True,
                    'createOrder': {
                        'marginMode': False,
                        'triggerPrice': True,
                        'triggerPriceType': None,
                        'triggerDirection': False,
                        'stopLossPrice': False,  # todo
                        'takeProfitPrice': False,  # todo
                        'attachedStopLossTakeProfit': None,
                        'timeInForce': {
                            'IOC': True,
                            'FOK': True,
                            'PO': True,
                            'GTD': True,
                        },
                        'hedged': False,
                        'selfTradePrevention': False,
                        'trailing': True,  # todo unify
                        'leverage': False,
                        'marketBuyByCost': False,
                        'marketBuyRequiresPrice': False,
                        'iceberg': False,
                    },
                    'createOrders': None,
                    'fetchMyTrades': {
                        'marginMode': False,
                        'limit': 500,
                        'daysBack': 100000,
                        'untilDays': 100000,
                        'symbolRequired': False,
                    },
                    'fetchOrder': {
                        'marginMode': False,
                        'trigger': False,
                        'trailing': False,
                        'symbolRequired': False,
                    },
                    'fetchOpenOrders': {
                        'marginMode': False,
                        'limit': None,
                        'trigger': False,
                        'trailing': False,
                        'symbolRequired': False,
                    },
                    'fetchOrders': {
                        'marginMode': False,
                        'limit': 100,
                        'daysBack': 100000,
                        'untilDays': 100000,
                        'trigger': False,
                        'trailing': False,
                        'symbolRequired': False,
                    },
                    'fetchClosedOrders': None,
                    'fetchOHLCV': {
                        'limit': 200,
                    },
                },
                'swap': {
                    'linear': {
                        'extends': 'default',
                    },
                    'inverse': None,
                },
            },
        })

    async def fetch_time(self, params={}):
        """
        fetches the current integer timestamp in milliseconds from the exchange server

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-system-time-v3

        :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.publicGetV3Time(params)
        data = self.safe_dict(response, 'data', {})
        #
        # {
        #    "data": {
        #    "time": 1738837534454
        #     }
        # }
        return self.safe_integer(data, 'time')

    def parse_balance(self, response) -> Balances:
        #
        # {
        #     "totalEquityValue": "100.000000",
        #     "availableBalance": "100.000000",
        #     "initialMargin": "100.000000",
        #     "maintenanceMargin": "100.000000",
        #     "symbolToOraclePrice": {
        #     "BTC-USDC": {
        #         "oraclePrice": "20000",
        #             "createdTime": 124566
        #     }
        # }
        # }
        #
        timestamp = self.milliseconds()
        result: dict = {
            'info': response,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
        }
        code = 'USDT'
        account = self.account()
        account['free'] = self.safe_string(response, 'availableBalance')
        account['total'] = self.safe_string(response, 'totalEquityValue')
        result[code] = account
        return self.safe_balance(result)

    async def fetch_balance(self, params={}) -> Balances:
        """
        query for account info

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-retrieve-user-account-balance

        :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()
        response = await self.privateGetV3AccountBalance(params)
        data = self.safe_dict(response, 'data', {})
        return self.parse_balance(data)

    def parse_account(self, account: dict) -> Account:
        accountId = self.safe_string(account, 'id', '0')
        return {
            'id': accountId,
            'type': None,
            'code': None,
            'info': account,
        }

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-retrieve-user-account-data

        :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()
        response = await self.privateGetV3Account(params)
        data = self.safe_dict(response, 'data', {})
        return self.parse_account(data)

    async def fetch_currencies(self, params={}) -> Currencies:
        """
        fetches all available currencies on an exchange

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-all-config-data-v3

        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: an associative dictionary of currencies
        """
        response = await self.publicGetV3Symbols(params)
        data = self.safe_dict(response, 'data', {})
        spotConfig = self.safe_dict(data, 'spotConfig', {})
        multiChain = self.safe_dict(spotConfig, 'multiChain', {})
        # "spotConfig": {
        #     "assets": [
        #         {
        #             "tokenId": "141",
        #             "token": "USDT",
        #             "displayName": "Tether USD Coin",
        #             "decimals": 18,
        #             "showStep": "0.01",
        #             "iconUrl": "https://static-pro.apex.exchange/chains/chain_tokens/Ethereum/Ethereum_USDT.svg",
        #             "l2WithdrawFee": "0",
        #             "enableCollateral": True,
        #             "enableCrossCollateral": False,
        #             "crossCollateralDiscountRate": null,
        #             "isGray": False
        #         }
        #     ],
        # "multiChain": {
        #  "chains": [
        #      {
        #          "chain": "Arbitrum One",
        #          "chainId": "9",
        #          "chainType": "0",
        #          "l1ChainId": "42161",
        #          "chainIconUrl": "https://static-pro.apex.exchange/chains/chain_logos/Arbitrum.svg",
        #          "contractAddress": "0x3169844a120c0f517b4eb4a750c08d8518c8466a",
        #          "swapContractAddress": "0x9e07b6Aef1bbD9E513fc2Eb8873e311E80B4f855",
        #          "stopDeposit": False,
        #          "feeLess": False,
        #          "gasLess": False,
        #          "gasToken": "ETH",
        #          "dynamicFee": True,
        #          "gasTokenDecimals": 18,
        #          "feeGasLimit": 300000,
        #          "blockTimeSeconds": 2,
        #          "rpcUrl": "https://arb.pro.apex.exchange",
        #          "minSwapUsdtAmount": "",
        #          "maxSwapUsdtAmount": "",
        #          "webRpcUrl": "https://arb.pro.apex.exchange",
        #          "webTxUrl": "https://arbiscan.io/tx/",
        #          "backupRpcUrl": "https://arb-mainnet.g.alchemy.com/v2/rGlYUbRHtUav5mfeThCPtsV9GLPt2Xq5",
        #          "txConfirm": 20,
        #          "withdrawGasFeeLess": False,
        #          "tokens": [
        #              {
        #                  "decimals": 6,
        #                  "iconUrl": "https://static-pro.apex.exchange/chains/chain_tokens/Arbitrum/Arbitrum_USDT.svg",
        #                  "token": "USDT",
        #                  "tokenAddress": "0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9",
        #                  "pullOff": False,
        #                  "withdrawEnable": True,
        #                  "slippage": "",
        #                  "isDefaultToken": False,
        #                  "displayToken": "USDT",
        #                  "needResetApproval": True,
        #                  "minFee": "2",
        #                  "maxFee": "40",
        #                  "feeRate": "0.0001",
        #                  "maxWithdraw": "",
        #                  "minDeposit": "",
        #                  "minWithdraw": "",
        #                  "maxFastWithdrawAmount": "40000",
        #                  "minFastWithdrawAmount": "1",
        #                  "isGray": False
        #              },
        #              {
        #                  "decimals": 6,
        #                  "iconUrl": "https://static-pro.apex.exchange/chains/chain_tokens/Arbitrum/Arbitrum_USDC.svg",
        #                  "token": "USDC",
        #                  "tokenAddress": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
        #                  "pullOff": False,
        #                  "withdrawEnable": True,
        #                  "slippage": "",
        #                  "isDefaultToken": False,
        #                  "displayToken": "USDC",
        #                  "needResetApproval": True,
        #                  "minFee": "2",
        #                  "maxFee": "20",
        #                  "feeRate": "0.0001",
        #                  "maxWithdraw": "",
        #                  "minDeposit": "",
        #                  "minWithdraw": "",
        #                  "maxFastWithdrawAmount": "1",
        #                  "minFastWithdrawAmount": "1",
        #                  "isGray": False
        #              }
        #          ]
        #        }
        #     ]
        # }
        rows = self.safe_list(spotConfig, 'assets', [])
        chains = self.safe_list(multiChain, 'chains', [])
        result: dict = {}
        for i in range(0, len(rows)):
            currency = rows[i]
            currencyId = self.safe_string(currency, 'token')
            code = self.safe_currency_code(currencyId)
            name = self.safe_string(currency, 'displayName')
            networks: dict = {}
            for j in range(0, len(chains)):
                chain = chains[j]
                tokens = self.safe_list(chain, 'tokens', [])
                for f in range(0, len(tokens)):
                    token = tokens[f]
                    tokenName = self.safe_string(token, 'token')
                    if tokenName == currencyId:
                        networkId = self.safe_string(chain, 'chainId')
                        networkCode = self.network_id_to_code(networkId)
                        networks[networkCode] = {
                            'info': chain,
                            'id': networkId,
                            'network': networkCode,
                            'active': None,
                            'deposit': not self.safe_bool(chain, 'depositDisable'),
                            'withdraw': self.safe_bool(token, 'withdrawEnable'),
                            'fee': self.safe_number(token, 'minFee'),
                            'precision': self.parse_number(self.parse_precision(self.safe_string(token, 'decimals'))),
                            'limits': {
                                'withdraw': {
                                    'min': self.safe_number(token, 'minWithdraw'),
                                    'max': None,
                                },
                                'deposit': {
                                    'min': self.safe_number(chain, 'minDeposit'),
                                    'max': None,
                                },
                            },
                        }
            networkKeys = list(networks.keys())
            networksLength = len(networkKeys)
            emptyChains = networksLength == 0  # non-functional coins
            valueForEmpty = False if emptyChains else None
            result[code] = self.safe_currency_structure({
                'info': currency,
                'code': code,
                'id': currencyId,
                'type': 'crypto',
                'name': name,
                'active': None,
                'deposit': valueForEmpty,
                'withdraw': valueForEmpty,
                'fee': None,
                'precision': None,
                'limits': {
                    'amount': {
                        'min': None,
                        'max': None,
                    },
                    'withdraw': {
                        'min': None,
                        'max': None,
                    },
                    'deposit': {
                        'min': None,
                        'max': None,
                    },
                },
                'networks': networks,
            })
        return result

    async def fetch_markets(self, params={}) -> List[Market]:
        """
        retrieves data on all markets for apex

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-all-config-data-v3

        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: an array of objects representing market data
        """
        response = await self.publicGetV3Symbols(params)
        data = self.safe_dict(response, 'data', {})
        contractConfig = self.safe_dict(data, 'contractConfig', {})
        perpetualContract = self.safe_list(contractConfig, 'perpetualContract', [])
        # {
        #     "perpetualContract":[
        #         {
        #             "baselinePositionValue": "50000.0000",
        #             "crossId": 30002,
        #             "crossSymbolId": 10,
        #             "crossSymbolName": "BTCUSDT",
        #             "digitMerge": "0.1,0.2,0.4,1,2",
        #             "displayMaxLeverage": "100",
        #             "displayMinLeverage": "1",
        #             "enableDisplay": True,
        #             "enableOpenPosition": True,
        #             "enableTrade": True,
        #             "fundingImpactMarginNotional": "6",
        #             "fundingInterestRate": "0.0003",
        #             "incrementalInitialMarginRate": "0.00250",
        #             "incrementalMaintenanceMarginRate": "0.00100",
        #             "incrementalPositionValue": "50000.0000",
        #             "initialMarginRate": "0.01",
        #             "maintenanceMarginRate": "0.005",
        #             "maxOrderSize": "50",
        #             "maxPositionSize": "100",
        #             "minOrderSize": "0.0010",
        #             "maxMarketPriceRange": "0.025",
        #             "settleAssetId": "USDT",
        #             "baseTokenId": "BTC",
        #             "stepSize": "0.001",
        #             "symbol": "BTC-USDT",
        #             "symbolDisplayName": "BTCUSDT",
        #             "tickSize": "0.1",
        #             "maxMaintenanceMarginRate": "0.5000",
        #             "maxPositionValue": "5000000.0000",
        #             "tagIconUrl": "https://static-pro.apex.exchange/icon/LABLE_HOT.svg",
        #             "tag": "HOT",
        #             "riskTip": False,
        #             "defaultInitialMarginRate": "0.05",
        #             "klineStartTime": 0,
        #             "maxMarketSizeBuffer": "0.98",
        #             "enableFundingSettlement": True,
        #             "indexPriceDecimals": 2,
        #             "indexPriceVarRate": "0.001",
        #             "openPositionOiLimitRate": "0.05",
        #             "fundingMaxRate": "0.000234",
        #             "fundingMinRate": "-0.000234",
        #             "fundingMaxValue": "",
        #             "enableFundingMxValue": True,
        #             "l2PairId": "50001",
        #             "settleTimeStamp": 0,
        #             "isPrelaunch": False,
        #             "riskLimitConfig": {},
        #             "category": "L1"
        #         }
        #     ]
        # }
        return self.parse_markets(perpetualContract)

    def parse_market(self, market: dict) -> Market:
        id = self.safe_string(market, 'symbol')
        id2 = self.safe_string(market, 'crossSymbolName')
        quoteId = self.safe_string(market, 'l2PairId')
        baseId = self.safe_string(market, 'baseTokenId')
        quote = self.safe_string(market, 'settleAssetId')
        base = self.safe_currency_code(baseId)
        settleId = self.safe_string(market, 'settleAssetId')
        settle = self.safe_currency_code(settleId)
        symbol = baseId + '/' + quote + ':' + settle
        expiry = 0
        takerFee = self.parse_number('0.0002')
        makerFee = self.parse_number('0.0005')
        return self.safe_market_structure({
            'id': id,
            'id2': id2,
            'symbol': symbol,
            'base': base,
            'quote': quote,
            'settle': settle,
            'baseId': baseId,
            'quoteId': quoteId,
            'settleId': settleId,
            'type': 'swap',
            'spot': False,
            'margin': None,
            'swap': True,
            'future': False,
            'option': False,
            'active': self.safe_bool(market, 'enableTrade'),
            'contract': True,
            'linear': True,
            'inverse': False,
            'taker': takerFee,
            'maker': makerFee,
            'contractSize': self.safe_number(market, 'minOrderSize'),
            'expiry': None if (expiry == 0) else expiry,
            'expiryDatetime': None if (expiry == 0) else self.iso8601(expiry),
            'strike': None,
            'optionType': None,
            'precision': {
                'amount': self.safe_number(market, 'stepSize'),
                'price': self.safe_number(market, 'tickSize'),
            },
            'limits': {
                'leverage': {
                    'min': self.safe_number(market, 'displayMinLeverage'),
                    'max': self.safe_number(market, 'displayMaxLeverage'),
                },
                'amount': {
                    'min': self.safe_number(market, 'minOrderSize'),
                    'max': self.safe_number(market, 'maxOrderSize'),
                },
                'price': {
                    'min': None,
                    'max': None,
                },
                'cost': {
                    'min': None,
                    'max': None,
                },
            },
            'created': None,
            'info': market,
        })

    def parse_ticker(self, ticker: dict, market: Market = None) -> Ticker:
        #
        # {
        #     "symbol": "BTCUSDT",
        #     "price24hPcnt": "0.450141",
        #     "lastPrice": "43511.50",
        #     "highPrice24h": "43513.50",
        #     "lowPrice24h": "29996.00",
        #     "markPrice": "43513.50",
        #     "indexPrice": "40828.94",
        #     "openInterest": "2036854775808",
        #     "turnover24h": "5626085.23749999",
        #     "volume24h": "169.317",
        #     "fundingRate": "0",
        #     "predictedFundingRate": "0",
        #     "nextFundingTime": "10:00:00",
        #     "tradeCount": 100
        # }
        #
        timestamp = self.milliseconds()
        marketId = self.safe_string(ticker, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = self.safe_symbol(marketId, market)
        last = self.safe_string(ticker, 'lastPrice')
        percentage = self.safe_string(ticker, 'price24hPcnt')
        quoteVolume = self.safe_string(ticker, 'turnover24h')
        baseVolume = self.safe_string(ticker, 'volume24h')
        high = self.safe_string(ticker, 'highPrice24h')
        low = self.safe_string(ticker, 'lowPrice24h')
        return self.safe_ticker({
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': high,
            'low': low,
            'bid': None,
            'bidVolume': None,
            'ask': None,
            'askVolume': None,
            'vwap': None,
            'open': None,
            'close': last,
            'last': last,
            'previousClose': None,
            'change': None,
            'percentage': percentage,
            'average': None,
            'baseVolume': baseVolume,
            'quoteVolume': quoteVolume,
            'markPrice': self.safe_string(ticker, 'markPrice'),
            'indexPrice': self.safe_string(ticker, 'indexPrice'),
            'info': ticker,
        }, market)

    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://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-ticker-data-v3

        :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 = {
            'symbol': market['id2'],
        }
        response = await self.publicGetV3Ticker(self.extend(request, params))
        tickers = self.safe_list(response, 'data', [])
        rawTicker = self.safe_dict(tickers, 0, {})
        return self.parse_ticker(rawTicker, market)

    async def fetch_tickers(self, symbols: Strings = None, params={}) -> Tickers:
        """
        fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-ticker-data-v3

        :param str symbols: 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()
        response = await self.publicGetV3DataAllTickerInfo(params)
        tickers = self.safe_list(response, 'data', [])
        return self.parse_tickers(tickers, symbols)

    async def fetch_ohlcv(self, symbol: str, timeframe='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://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-candlestick-chart-data-v3

        :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 = {
            'interval': self.safe_string(self.timeframes, timeframe, timeframe),
            'symbol': market['id2'],
        }
        if limit is None:
            limit = 200  # default is 200 when requested with `since`
        request['limit'] = limit  # max 200, default 200
        request, params = self.handle_until_option('end', request, params)
        if since is not None:
            request['start'] = since
        response = await self.publicGetV3Klines(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        OHLCVs = self.safe_list(data, market['id2'], [])
        return self.parse_ohlcvs(OHLCVs, market, timeframe, since, limit)

    def parse_ohlcv(self, ohlcv, market: Market = None) -> list:
        #
        #  {
        #     "start": 1647511440000,
        #     "symbol": "BTC-USD",
        #     "interval": "1",
        #     "low": "40000",
        #     "high": "45000",
        #     "open": "45000",
        #     "close": "40000",
        #     "volume": "1.002",
        #     "turnover": "3"
        #  } {"s":"BTCUSDT","i":"1","t":1741265880000,"c":"90235","h":"90235","l":"90156","o":"90156","v":"0.052","tr":"4690.4466"}
        #
        return [
            self.safe_integer_n(ohlcv, ['start', 't']),
            self.safe_number_n(ohlcv, ['open', 'o']),
            self.safe_number_n(ohlcv, ['high', 'h']),
            self.safe_number_n(ohlcv, ['low', 'l']),
            self.safe_number_n(ohlcv, ['close', 'c']),
            self.safe_number_n(ohlcv, ['volume', 'v']),
        ]

    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://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-market-depth-v3

        :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)
        request: dict = {
            'symbol': market['id2'],
        }
        if limit is None:
            limit = 100  # default is 200 when requested with `since`
        request['limit'] = limit  # max 100, default 100
        response = await self.publicGetV3Depth(self.extend(request, params))
        #
        # {
        #     "a": [
        #     [
        #         "96576.3",
        #         "0.399"
        #     ],
        #     [
        #         "96577.6",
        #         "0.106"
        #     ]
        # ],
        #     "b": [
        #     [
        #         "96565.2",
        #         "0.131"
        #     ],
        #     [
        #         "96565.1",
        #         "0.038"
        #     ]
        # ],
        #     "s": "BTCUSDT",
        #     "u": 18665465
        # }
        #
        data = self.safe_dict(response, 'data', {})
        timestamp = self.milliseconds()
        orderbook = self.parse_order_book(data, market['symbol'], timestamp, 'b', 'a')
        orderbook['nonce'] = self.safe_integer(data, 'u')
        return orderbook

    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://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-newest-trading-data-v3

        :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
        :param int [params.until]: the latest time in ms to fetch trades for
        :param boolean [params.paginate]: default False, when True will automatically paginate by calling self endpoint multiple times
        :returns Trade[]: a list of `trade structures <https://docs.ccxt.com/#/?id=public-trades>`
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {
            'symbol': market['id2'],
        }
        if limit is None:
            limit = 500  # default is 50
        request['limit'] = limit
        response = await self.publicGetV3Trades(self.extend(request, params))
        #
        # [
        #  {
        #      "i": "993f7f85-9215-5723-9078-2186ae140847",
        #      "p": "96534.3",
        #      "S": "Sell",
        #      "v": "0.261",
        #      "s": "BTCUSDT",
        #      "T": 1739118072710
        #  },
        #  {
        #      "i": "c947c9cf-8c18-5784-89c3-91bdf86ddde8",
        #      "p": "96513.5",
        #      "S": "Sell",
        #      "v": "0.042",
        #      "s": "BTCUSDT",
        #      "T": 1739118075944
        #  }
        #  ]
        #
        trades = self.safe_list(response, 'data', [])
        return self.parse_trades(trades, market, since, limit)

    def parse_trade(self, trade: dict, market: Market = None) -> Trade:
        #
        # [
        #  {
        #      "i": "993f7f85-9215-5723-9078-2186ae140847",
        #      "p": "96534.3",
        #      "S": "Sell",
        #      "v": "0.261",
        #      "s": "BTCUSDT",
        #      "T": 1739118072710
        #  }
        #  ]
        #
        marketId = self.safe_string_n(trade, ['s', 'symbol'])
        market = self.safe_market(marketId, market)
        id = self.safe_string_n(trade, ['i', 'id'])
        timestamp = self.safe_integer_n(trade, ['t', 'T', 'createdAt'])
        priceString = self.safe_string_n(trade, ['p', 'price'])
        amountString = self.safe_string_n(trade, ['v', 'size'])
        side = self.safe_string_lower_n(trade, ['S', 'side'])
        type = self.safe_string_n(trade, ['type'])
        fee = self.safe_string_n(trade, ['fee'])
        return self.safe_trade({
            'info': trade,
            'id': id,
            'order': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': market['symbol'],
            'type': type,
            'takerOrMaker': None,
            'side': side,
            'price': priceString,
            'amount': amountString,
            'cost': None,
            'fee': fee,
        }, market)

    async def fetch_open_interest(self, symbol: str, params={}):
        """
        retrieves the open interest of a contract trading pair

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-ticker-data-v3

        :param str symbol: unified CCXT market symbol
        :param dict [params]: exchange specific parameters
        :returns dict} an open interest structure{@link https://docs.ccxt.com/#/?id=open-interest-structure:
        """
        await self.load_markets()
        market = self.market(symbol)
        request: dict = {
            'symbol': market['id2'],
        }
        response = await self.publicGetV3Ticker(self.extend(request, params))
        tickers = self.safe_list(response, 'data', [])
        rawTicker = self.safe_dict(tickers, 0, {})
        return self.parse_open_interest(rawTicker, market)

    def parse_open_interest(self, interest, market: Market = None):
        #
        # {
        #     "symbol": "BTCUSDT",
        #     "price24hPcnt": "0.450141",
        #     "lastPrice": "43511.50",
        #     "highPrice24h": "43513.50",
        #     "lowPrice24h": "29996.00",
        #     "markPrice": "43513.50",
        #     "indexPrice": "40828.94",
        #     "openInterest": "2036854775808",
        #     "turnover24h": "5626085.23749999",
        #     "volume24h": "169.317",
        #     "fundingRate": "0",
        #     "predictedFundingRate": "0",
        #     "nextFundingTime": "10:00:00",
        #     "tradeCount": 100
        # }
        #
        timestamp = self.milliseconds()
        marketId = self.safe_string(interest, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = self.safe_symbol(marketId, market)
        return self.safe_open_interest({
            'symbol': symbol,
            'openInterestAmount': self.safe_string(interest, 'openInterest'),
            'openInterestValue': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'info': interest,
        }, market)

    async def fetch_funding_rate_history(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetches historical funding rate prices

        https://api-docs.pro.apex.exchange/#publicapi-v3-for-omni-get-funding-rate-history-v3

        :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
        :param int [params.until]: timestamp in ms of the latest funding rate
        :param boolean [params.paginate]: default False, when True will automatically paginate by calling self endpoint multiple times. See in the docs all the [availble parameters](https://github.com/ccxt/ccxt/wiki/Manual#pagination-params)
        :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()
        request: dict = {}
        market = self.market(symbol)
        request['symbol'] = market['id']
        if since is not None:
            request['beginTimeInclusive'] = since
        if limit is not None:
            request['limit'] = limit
        page = self.safe_integer(params, 'page')
        if page is not None:
            request['page'] = page
        endTimeExclusive = self.safe_integer_n(params, ['endTime', 'endTimeExclusive', 'until'])
        if endTimeExclusive is not None:
            request['endTimeExclusive'] = endTimeExclusive
        response = await self.publicGetV3HistoryFunding(self.extend(request, params))
        #
        # {
        #     "historyFunds": [
        #     {
        #         "symbol": "BTC-USD",
        #         "rate": "0.0000125000",
        #         "price": "31297.5000008009374142",
        #         "fundingTime": 12315555,
        #         "fundingTimestamp": 12315555
        #     }
        # ],
        #     "totalSize": 11
        # }
        #
        rates = []
        data = self.safe_dict(response, 'data', {})
        resultList = self.safe_list(data, 'historyFunds', [])
        for i in range(0, len(resultList)):
            entry = resultList[i]
            timestamp = self.safe_integer(entry, 'fundingTimestamp')
            marketId = self.safe_string(entry, 'symbol')
            rates.append({
                'info': entry,
                'symbol': self.safe_symbol(marketId, market),
                '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)

    def parse_order(self, order: dict, market: Market = None) -> Order:
        #
        # {
        #     "id": "1234",
        #     "clientId": "1234",
        #     "accountId": "12345",
        #     "symbol": "BTC-USD",
        #     "side": "SELL",
        #     "price": "18000",
        #     "limitFee": "100",
        #     "fee": "100",
        #     "triggerPrice": "1.2",
        #     "trailingPercent": "0.12",
        #     "size": "100",
        #     "remainingSize": "100",
        #     "type": "LIMIT",
        #     "createdAt": 1647502440973,
        #     "updatedTime": 1647502440973,
        #     "expiresAt": 1647502440973,
        #     "status": "PENDING",
        #     "timeInForce": "GOOD_TIL_CANCEL",
        #     "postOnly": False,
        #     "reduceOnly": False,
        #     "stopPnl": False,
        #     "latestMatchFillPrice": "reason",
        #     "cumMatchFillSize": "0.1",
        #     "cumMatchFillValue": "1000",
        #     "cumMatchFillFee": "1",
        #     "cumSuccessFillSize": "0.1",
        #     "cumSuccessFillValue": "1000",
        #     "cumSuccessFillFee": "1",
        #     "triggerPriceType": "INDEX",
        #     "isOpenTpslOrder": True,
        #     "isSetOpenTp": True,
        #     "isSetOpenSl": False,
        #     "openTpParam": {
        #     "side": "SELL",
        #         "price": "18000",
        #         "limitFee": "100",
        #         "clientOrderId": "111100",
        #         "triggerPrice": "1.2",
        #         "trailingPercent": "0.12",
        #         "size": "100"
        # },
        #     "openSlParam": {
        #     "side": "SELL",
        #         "price": "18000",
        #         "limitFee": "100",
        #         "clientOrderId": "111100",
        #         "triggerPrice": "1.2",
        #         "trailingPercent": "0.12",
        #         "size": "100"
        # }
        # }
        #
        timestamp = self.safe_integer(order, 'createdAt')
        orderId = self.safe_string(order, 'id')
        clientOrderId = self.safe_string(order, 'clientId')
        marketId = self.safe_string(order, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = market['symbol']
        price = self.safe_string(order, 'price')
        amount = self.safe_string(order, 'size')
        orderType = self.safe_string(order, 'type')
        status = self.safe_string(order, 'status')
        side = self.safe_string_lower(order, 'side')
        # average = self.omit_zero(self.safe_string(order, 'avg_fill_price'))
        remaining = self.omit_zero(self.safe_string(order, 'remainingSize'))
        lastUpdateTimestamp = self.safe_integer(order, 'updatedTime')
        return self.safe_order({
            'id': orderId,
            'clientOrderId': clientOrderId,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'lastTradeTimestamp': None,
            'lastUpdateTimestamp': lastUpdateTimestamp,
            'status': self.parse_order_status(status),
            'symbol': symbol,
            'type': self.parse_order_type(orderType),
            'timeInForce': self.parse_time_in_force(self.safe_string(order, 'timeInForce')),
            'postOnly': self.safe_bool(order, 'postOnly'),
            'reduceOnly': self.safe_bool(order, 'reduceOnly'),
            'side': side,
            'price': price,
            'triggerPrice': self.safe_string(order, 'triggerPrice'),
            'takeProfitPrice': None,
            'stopLossPrice': None,
            'average': None,
            'amount': amount,
            'filled': None,
            'remaining': remaining,
            'cost': None,
            'trades': None,
            'fee': {
                'cost': self.safe_string(order, 'fee'),
                'currency': market['settleId'],
            },
            'info': order,
        }, market)

    def parse_time_in_force(self, timeInForce: Str):
        timeInForces: dict = {
            'GOOD_TIL_CANCEL': 'GOOD_TIL_CANCEL',
            'FILL_OR_KILL': 'FILL_OR_KILL',
            'IMMEDIATE_OR_CANCEL': 'IMMEDIATE_OR_CANCEL',
            'POST_ONLY': 'POST_ONLY',
        }
        return self.safe_string(timeInForces, timeInForce, None)

    def parse_order_status(self, status: Str):
        if status is not None:
            statuses: dict = {
                'PENDING': 'open',
                'OPEN': 'open',
                'FILLED': 'filled',
                'CANCELING': 'canceled',
                'CANCELED': 'canceled',
                'UNTRIGGERED': 'open',
            }
            return self.safe_string(statuses, status, status)
        return status

    def parse_order_type(self, type: Str):
        types: dict = {
            'LIMIT': 'LIMIT',
            'MARKET': 'MARKET',
            'STOP_LIMIT': 'STOP_LIMIT',
            'STOP_MARKET': 'STOP_MARKET',
            'TAKE_PROFIT_LIMIT': 'TAKE_PROFIT_LIMIT',
            'TAKE_PROFIT_MARKET': 'TAKE_PROFIT_MARKET',
        }
        return self.safe_string_upper(types, type, type)

    def safe_market(self, marketId: Str = None, market: Market = None, delimiter: Str = None, marketType: Str = None) -> MarketInterface:
        if market is None and marketId is not None:
            if marketId in self.markets:
                market = self.markets[marketId]
            elif marketId in self.markets_by_id:
                market = self.markets_by_id[marketId]
            else:
                newMarketId = self.add_hyphen_before_usdt(marketId)
                if newMarketId in self.markets_by_id:
                    markets = self.markets_by_id[newMarketId]
                    numMarkets = len(markets)
                    if numMarkets > 0:
                        if self.markets_by_id[newMarketId][0]['id2'] == marketId:
                            market = self.markets_by_id[newMarketId][0]
        return super(apex, self).safe_market(marketId, market, delimiter, marketType)

    def generate_random_client_id_omni(self, _accountId: str):
        accountId = _accountId or str(self.rand_number(12))
        return 'apexomni-' + accountId + '-' + str(self.milliseconds()) + '-' + str(self.rand_number(6))

    def add_hyphen_before_usdt(self, symbol: str):
        uppercaseSymbol = symbol.upper()
        index = uppercaseSymbol.find('USDT')
        symbolChar = self.safe_string(symbol, index - 1)
        if index > 0 and symbolChar != '-':
            return symbol[0:index] + '-' + symbol[index:]
        return symbol

    def get_seeds(self):
        seeds = self.safe_string(self.options, 'seeds')
        if seeds is None:
            raise ArgumentsRequired(self.id + ' the "seeds" key is required in the options to access private endpoints. You can find it in API Management > Omni Key, and then set it.options["seeds"] = XXXX')
        return seeds

    async def get_account_id(self):
        accountId = self.safe_string(self.options, 'accountId', '0')
        if accountId == '0':
            accountData = await self.fetch_account()
            self.options['accountId'] = self.safe_string(accountData, 'id', '0')
        return self.options['accountId']

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-post-creating-orders

        :param str symbol: unified symbol of the market to create an order in
        :param str type: 'market' or 'limit'
        :param str side: 'buy' or 'sell'
        :param float amount: how much of currency you want to trade in units of base currency
        :param float [price]: the price at which the order is to be fullfilled, in units of the quote currency, ignored in market orders
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param float [params.triggerPrice]: The price a trigger order is triggered at
        :param str [params.timeInForce]: "GTC", "IOC", or "POST_ONLY"
        :param bool [params.postOnly]: True or False
        :param bool [params.reduceOnly]: Ensures that the executed order does not flip the opened position.
        :param str [params.clientOrderId]: a unique id for the order
        :returns dict: an `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = self.market(symbol)
        orderType = type.upper()
        orderSide = side.upper()
        orderSize = self.amount_to_precision(symbol, amount)
        orderPrice = '0'
        if price is not None:
            orderPrice = self.price_to_precision(symbol, price)
        fees = self.safe_dict(self.fees, 'swap', {})
        taker = self.safe_number(fees, 'taker', 0.0005)
        maker = self.safe_number(fees, 'maker', 0.0002)
        limitFee = self.decimal_to_precision(Precise.string_add(Precise.string_mul(Precise.string_mul(orderPrice, orderSize), str(taker)), str(market['precision']['price'])), TRUNCATE, market['precision']['price'], self.precisionMode, self.paddingMode)
        timeNow = self.milliseconds()
        # triggerPrice = self.safe_string_2(params, 'triggerPrice', 'stopPrice')
        isMarket = orderType == 'MARKET'
        if isMarket and (price is None):
            raise ArgumentsRequired(self.id + ' createOrder() requires a price argument for market orders')
        timeInForce = self.safe_string_upper(params, 'timeInForce')
        postOnly = self.is_post_only(isMarket, None, params)
        if timeInForce is None:
            timeInForce = 'GOOD_TIL_CANCEL'
        if not isMarket:
            if postOnly:
                timeInForce = 'POST_ONLY'
            elif timeInForce == 'ioc':
                timeInForce = 'IMMEDIATE_OR_CANCEL'
        params = self.omit(params, 'timeInForce')
        params = self.omit(params, 'postOnly')
        clientOrderId = self.safe_string_n(params, ['clientId', 'clientOrderId', 'client_order_id'])
        accountId = await self.get_account_id()
        if clientOrderId is None:
            clientOrderId = self.generate_random_client_id_omni(accountId)
        params = self.omit(params, ['clientId', 'clientOrderId', 'client_order_id'])
        orderToSign = {
            'accountId': accountId,
            'slotId': clientOrderId,
            'nonce': clientOrderId,
            'pairId': market['quoteId'],
            'size': orderSize,
            'price': orderPrice,
            'direction': orderSide,
            'makerFeeRate': str(maker),
            'takerFeeRate': str(taker),
        }
        signature = await self.get_zk_contract_signature_obj(self.remove0x_prefix(self.get_seeds()), orderToSign)
        request: dict = {
            'symbol': market['id'],
            'side': orderSide,
            'type': orderType,  # LIMIT/MARKET/STOP_LIMIT/STOP_MARKET
            'size': orderSize,
            'price': orderPrice,
            'limitFee': limitFee,
            'expiration': int(math.floor(timeNow / 1000 + 30 * 24 * 60 * 60)),
            'timeInForce': timeInForce,
            'clientId': clientOrderId,
            'brokerId': self.safe_string(self.options, 'brokerId', '6956'),
        }
        request['signature'] = signature
        response = await self.privatePostV3Order(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        return self.parse_order(data, market)

    async def transfer(self, code: str, amount: float, fromAccount: str, toAccount: str, params={}) -> TransferEntry:
        """
        transfer currency internally between wallets on the same account
        :param str code: unified currency code
        :param float amount: amount to transfer
        :param str fromAccount: account to transfer from
        :param str toAccount: account to transfer to
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param str [params.transferId]: UUID, which is unique across the platform
        :returns dict: a `transfer structure <https://docs.ccxt.com/#/?id=transfer-structure>`
        """
        await self.load_markets()
        configResponse = await self.publicGetV3Symbols(params)
        configData = self.safe_dict(configResponse, 'data', {})
        contractConfig = self.safe_dict(configData, 'contractConfig', {})
        contractAssets = self.safe_list(contractConfig, 'assets', [])
        spotConfig = self.safe_dict(configData, 'spotConfig', {})
        spotAssets = self.safe_list(spotConfig, 'assets', [])
        globalConfig = self.safe_dict(spotConfig, 'global', {})
        receiverAddress = self.safe_string(globalConfig, 'contractAssetPoolEthAddress', '')
        receiverZkAccountId = self.safe_string(globalConfig, 'contractAssetPoolZkAccountId', '')
        receiverSubAccountId = self.safe_string(globalConfig, 'contractAssetPoolSubAccount', '')
        receiverAccountId = self.safe_string(globalConfig, 'contractAssetPoolAccountId', '')
        accountResponse = await self.privateGetV3Account(params)
        accountData = self.safe_dict(accountResponse, 'data', {})
        spotAccount = self.safe_dict(accountData, 'spotAccount', {})
        zkAccountId = self.safe_string(spotAccount, 'zkAccountId', '')
        subAccountId = self.safe_string(spotAccount, 'defaultSubAccountId', '0')
        subAccounts = self.safe_list(spotAccount, 'subAccounts', [])
        nonce = '0'
        if len(subAccounts) > 0:
            nonce = self.safe_string(subAccounts[0], 'nonce', '0')
        ethAddress = self.safe_string(accountData, 'ethereumAddress', '')
        accountId = self.safe_string(accountData, 'id', '')
        currency = {}
        assets = []
        if fromAccount is not None and fromAccount.lower() == 'contract':
            assets = contractAssets
        else:
            assets = spotAssets
        for i in range(0, len(assets)):
            if self.safe_string(assets[i], 'token', '') == code:
                currency = assets[i]
        tokenId = self.safe_string(currency, 'tokenId', '')
        amountNumber = self.parse_to_int(amount * (math.pow(10, self.safe_number(currency, 'decimals', 0))))
        timestampSeconds = self.parse_to_int(self.milliseconds() / 1000)
        clientOrderId = self.safe_string_n(params, ['clientId', 'clientOrderId', 'client_order_id'])
        if clientOrderId is None:
            clientOrderId = self.generate_random_client_id_omni(self.safe_string(self.options, 'accountId'))
        params = self.omit(params, ['clientId', 'clientOrderId', 'client_order_id'])
        if fromAccount is not None and fromAccount.lower() == 'contract':
            formattedUint32 = '4294967295'
            zkSignAccountId = Precise.string_mod(accountId, formattedUint32)
            expireTime = timestampSeconds + 3600 * 24 * 28
            orderToSign = {
                'zkAccountId': zkSignAccountId,
                'receiverAddress': ethAddress,
                'subAccountId': subAccountId,
                'receiverSubAccountId': subAccountId,
                'tokenId': tokenId,
                'amount': str(amountNumber),
                'fee': '0',
                'nonce': clientOrderId,
                'timestampSeconds': expireTime,
                'isContract': True,
            }
            signature = await self.get_zk_transfer_signature_obj(self.remove0x_prefix(self.get_seeds()), orderToSign)
            request: dict = {
                'amount': amount,
                'expireTime': expireTime,
                'clientWithdrawId': clientOrderId,
                'signature': signature,
                'token': code,
                'ethAddress': ethAddress,
            }
            response = await self.privatePostV3ContractTransferOut(self.extend(request, params))
            data = self.safe_dict(response, 'data', {})
            currentTime = self.milliseconds()
            return self.extend(self.parse_transfer(data, self.currency(code)), {
                'timestamp': currentTime,
                'datetime': self.iso8601(currentTime),
                'amount': self.parse_number(amount),
                'fromAccount': 'contract',
                'toAccount': 'spot',
            })
        else:
            orderToSign = {
                'zkAccountId': zkAccountId,
                'receiverAddress': receiverAddress,
                'subAccountId': subAccountId,
                'receiverSubAccountId': receiverSubAccountId,
                'tokenId': tokenId,
                'amount': str(amountNumber),
                'fee': '0',
                'nonce': nonce,
                'timestampSeconds': timestampSeconds,
            }
            signature = await self.get_zk_transfer_signature_obj(self.remove0x_prefix(self.get_seeds()), orderToSign)
            request: dict = {
                'amount': str(amount),
                'timestamp': timestampSeconds,
                'clientTransferId': clientOrderId,
                'signature': signature,
                'zkAccountId': zkAccountId,
                'subAccountId': subAccountId,
                'fee': '0',
                'token': code,
                'tokenId': tokenId,
                'receiverAccountId': receiverAccountId,
                'receiverZkAccountId': receiverZkAccountId,
                'receiverSubAccountId': receiverSubAccountId,
                'receiverAddress': receiverAddress,
                'nonce': nonce,
            }
            response = await self.privatePostV3TransferOut(self.extend(request, params))
            data = self.safe_dict(response, 'data', {})
            currentTime = self.milliseconds()
            return self.extend(self.parse_transfer(data, self.currency(code)), {
                'timestamp': currentTime,
                'datetime': self.iso8601(currentTime),
                'amount': self.parse_number(amount),
                'fromAccount': 'spot',
                'toAccount': 'contract',
            })

    def parse_transfer(self, transfer: dict, currency: Currency = None) -> TransferEntry:
        currencyId = self.safe_string(transfer, 'coin')
        timestamp = self.safe_integer(transfer, 'timestamp')
        fromAccount = self.safe_string(transfer, 'fromAccount')
        toAccount = self.safe_string(transfer, 'toAccount')
        return {
            'info': transfer,
            'id': self.safe_string_n(transfer, ['transferId', 'id']),
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'currency': self.safe_currency_code(currencyId, currency),
            'amount': self.safe_number(transfer, 'amount'),
            'fromAccount': fromAccount,
            'toAccount': toAccount,
            'status': self.safe_string(transfer, 'status'),
        }

    async def cancel_all_orders(self, symbol: Str = None, params={}) -> List[Order]:
        """
        cancel all open orders in a market

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-post-cancel-all-open-orders

        :param str symbol: unified market symbol of the market to cancel orders in
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        market = None
        request: dict = {}
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        response = await self.privatePostV3DeleteOpenOrders(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        return [self.parse_order(data, market)]

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-post-cancel-order

        :param str id: order id
 @param symbol
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict: An `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        request: dict = {}
        clientOrderId = self.safe_string_n(params, ['clientId', 'clientOrderId', 'client_order_id'])
        response = None
        if clientOrderId is not None:
            request['id'] = clientOrderId
            params = self.omit(params, ['clientId', 'clientOrderId', 'client_order_id'])
            response = await self.privatePostV3DeleteClientOrderId(self.extend(request, params))
        else:
            request['id'] = id
            response = await self.privatePostV3DeleteOrder(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        return self.safe_order(data)

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-order-id
        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-order-by-clientorderid

        :param str id: the 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
        :param str [params.clientOrderId]: a unique id for the order
        :returns dict: An `order structure <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        request: dict = {}
        clientOrderId = self.safe_string_n(params, ['clientId', 'clientOrderId', 'client_order_id'])
        response = None
        if clientOrderId is not None:
            request['id'] = clientOrderId
            params = self.omit(params, ['clientId', 'clientOrderId', 'client_order_id'])
            response = await self.privateGetV3OrderByClientOrderId(self.extend(request, params))
        else:
            request['id'] = id
            response = await self.privateGetV3Order(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        return self.parse_order(data)

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-open-orders

        :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()
        response = await self.privateGetV3OpenOrders(params)
        orders = self.safe_list(response, 'data', [])
        return self.parse_orders(orders, None, 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 *classic accounts only*

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-all-order-history

        :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, default 100
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.until]: end time, ms
        :param boolean [params.status]: "PENDING", "OPEN", "FILLED", "CANCELED", "EXPIRED", "UNTRIGGERED"
        :param boolean [params.side]: BUY or SELL
        :param str [params.type]: "LIMIT", "MARKET","STOP_LIMIT", "STOP_MARKET", "TAKE_PROFIT_LIMIT","TAKE_PROFIT_MARKET"
        :param str [params.orderType]: "ACTIVE","CONDITION","HISTORY"
        :param boolean [params.page]: Page numbers start from 0
        :returns Order[]: a list of `order structures <https://docs.ccxt.com/#/?id=order-structure>`
        """
        await self.load_markets()
        request: dict = {}
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        if since is not None:
            request['beginTimeInclusive'] = since
        if limit is not None:
            request['limit'] = limit
        endTimeExclusive = self.safe_integer_n(params, ['endTime', 'endTimeExclusive', 'until'])
        if endTimeExclusive is not None:
            request['endTimeExclusive'] = endTimeExclusive
            params = self.omit(params, ['endTime', 'endTimeExclusive', 'until'])
        response = await self.privateGetV3HistoryOrders(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        orders = self.safe_list(data, 'orders', [])
        return self.parse_orders(orders, market, since, limit)

    async def fetch_order_trades(self, id: str, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetch all the trades made from a single order

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-trade-history

        :param str id: order id
        :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 to retrieve
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        request: dict = {}
        clientOrderId = self.safe_string_2(params, 'clientOrderId', 'clientId')
        if clientOrderId is not None:
            request['clientOrderId'] = clientOrderId
        else:
            request['orderId'] = id
        params = self.omit(params, ['clientOrderId', 'clientId'])
        response = await self.privateGetV3OrderFills(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        orders = self.safe_list(data, 'orders', [])
        return self.parse_trades(orders, None, since, limit)

    async def fetch_my_trades(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetches information on multiple orders made by the user *classic accounts only*

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-trade-history

        :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, default 100
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.until]: end time
        :param boolean [params.side]: BUY or SELL
        :param str [params.orderType]: "LIMIT", "MARKET","STOP_LIMIT", "STOP_MARKET", "TAKE_PROFIT_LIMIT","TAKE_PROFIT_MARKET"
        :param boolean [params.page]: Page numbers start from 0
        :returns Trade[]: a list of `trade structures <https://docs.ccxt.com/#/?id=trade-structure>`
        """
        await self.load_markets()
        request: dict = {}
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        if since is not None:
            request['beginTimeInclusive'] = since
        if limit is not None:
            request['limit'] = limit
        endTimeExclusive = self.safe_integer_n(params, ['endTime', 'endTimeExclusive', 'until'])
        if endTimeExclusive is not None:
            request['endTimeExclusive'] = endTimeExclusive
            params = self.omit(params, ['endTime', 'endTimeExclusive', 'until'])
        response = await self.privateGetV3Fills(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        orders = self.safe_list(data, 'orders', [])
        return self.parse_trades(orders, market, since, limit)

    async def fetch_funding_history(self, symbol: Str = None, since: Int = None, limit: Int = None, params={}):
        """
        fetches information on multiple orders made by the user *classic accounts only*

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-funding-rate

        :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, default 100
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :param dict [params.until]: end time, ms
        :param boolean [params.side]: BUY or SELL
        :param boolean [params.page]: Page numbers start from 0
        :returns Trade[]: a list of `trade structures <https://docs.ccxt.com/#/?id=funding-history-structure>`
        """
        await self.load_markets()
        request: dict = {}
        market = None
        if symbol is not None:
            market = self.market(symbol)
            request['symbol'] = market['id']
        if since is not None:
            request['beginTimeInclusive'] = since
        if limit is not None:
            request['limit'] = limit
        endTimeExclusive = self.safe_integer_n(params, ['endTime', 'endTimeExclusive', 'until'])
        if endTimeExclusive is not None:
            params = self.omit(params, ['endTime', 'endTimeExclusive', 'until'])
            request['endTimeExclusive'] = endTimeExclusive
        response = await self.privateGetV3Funding(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        fundingValues = self.safe_list(data, 'fundingValues', [])
        return self.parse_incomes(fundingValues, market, since, limit)

    def parse_income(self, income, market: Market = None):
        #
        # {
        #     "id": "1234",
        #     "symbol": "BTC-USDT",
        #     "fundingValue": "10000",
        #     "rate": "0.0000125000",
        #     "positionSize": "500",
        #     "price": "90",
        #     "side": "LONG",
        #     "status": "SUCCESS",
        #     "fundingTime": 1647502440973,
        #     "transactionId": "1234556"
        # }
        #
        marketId = self.safe_string(income, 'symbol')
        market = self.safe_market(marketId, market, None, 'contract')
        code = 'USDT'
        timestamp = self.safe_integer(income, 'fundingTime')
        return {
            'info': income,
            'symbol': self.safe_symbol(marketId, market),
            'code': code,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'id': self.safe_string(income, 'id'),
            'amount': self.safe_number(income, 'fundingValue'),
            'rate': self.safe_number(income, 'rate'),
        }

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-post-sets-the-initial-margin-rate-of-a-contract

        :param float leverage: the rate of leverage
        :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 + ' setLeverage() requires a symbol argument')
        await self.load_markets()
        market = self.market(symbol)
        leverageString = self.number_to_string(leverage)
        initialMarginRate = Precise.string_div('1', leverageString, 4)
        request: dict = {
            'symbol': market['id'],
            'initialMarginRate': initialMarginRate,
        }
        response = await self.privatePostV3SetInitialMarginRate(self.extend(request, params))
        data = self.safe_dict(response, 'data', {})
        return data

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

        https://api-docs.pro.apex.exchange/#privateapi-v3-for-omni-get-retrieve-user-account-data

        :param str[] [symbols]: list of unified market symbols
        :param dict [params]: extra parameters specific to the exchange API endpoint
        :returns dict[]: a list of `position structure <https://docs.ccxt.com/#/?id=position-structure>`
        """
        await self.load_markets()
        response = await self.privateGetV3Account(params)
        data = self.safe_dict(response, 'data', {})
        positions = self.safe_list(data, 'positions', [])
        return self.parse_positions(positions, symbols)

    def parse_position(self, position: dict, market: Market = None):
        #
        # {
        #     "symbol": "BTC-USDT",
        #     "status": "",
        #     "side": "LONG",
        #     "size": "0.000",
        #     "entryPrice": "0.00",
        #     "exitPrice": "",
        #     "createdAt": 1690366452416,
        #     "updatedTime": 1690366452416,
        #     "fee": "0.000000",
        #     "fundingFee": "0.000000",
        #     "lightNumbers": "",
        #     "customInitialMarginRate": "0"
        # }
        marketId = self.safe_string(position, 'symbol')
        market = self.safe_market(marketId, market)
        symbol = market['symbol']
        side = self.safe_string_lower(position, 'side')
        quantity = self.safe_string(position, 'size')
        timestamp = self.safe_integer(position, 'updatedTime')
        leverage = 20
        customInitialMarginRate = self.safe_string_n(position, ['customInitialMarginRate', 'customImr'], '0')
        if self.precision_from_string(customInitialMarginRate) != 0:
            leverage = self.parse_to_int(Precise.string_div('1', customInitialMarginRate, 4))
        return self.safe_position({
            'info': position,
            'id': self.safe_string(position, 'id'),
            'symbol': symbol,
            'entryPrice': self.safe_string(position, 'entryPrice'),
            'markPrice': None,
            'notional': None,
            'collateral': None,
            'unrealizedPnl': None,
            'side': side,
            'contracts': self.parse_number(quantity),
            'contractSize': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'hedged': None,
            'maintenanceMargin': None,
            'maintenanceMarginPercentage': None,
            'initialMargin': None,
            'initialMarginPercentage': None,
            'leverage': leverage,
            'liquidationPrice': None,
            'marginRatio': None,
            'marginMode': None,
            'percentage': None,
        })

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        url = self.implode_hostname(self.urls['api'][api]) + '/' + path
        headers = {
            'User-Agent': 'apex-CCXT',
            'Accept': 'application/json',
            'Content-Type': 'application/x-www-form-urlencoded',
        }
        signPath = '/api/' + path
        signBody = body
        if method.upper() != 'POST':
            if params:
                signPath += '?' + self.rawencode(params)
                url += '?' + self.rawencode(params)
        else:
            sortedQuery = self.keysort(params)
            signBody = self.rawencode(sortedQuery)
        if api == 'private':
            self.check_required_credentials()
            timestamp = str(self.milliseconds())
            messageString = timestamp + method.upper() + signPath
            if signBody is not None:
                messageString = messageString + signBody
            signature = self.hmac(self.encode(messageString), self.encode(self.string_to_base64(self.secret)), hashlib.sha256, 'base64')
            headers['APEX-SIGNATURE'] = signature
            headers['APEX-API-KEY'] = self.apiKey
            headers['APEX-TIMESTAMP'] = timestamp
            headers['APEX-PASSPHRASE'] = self.password
        return {'url': url, 'method': method, 'body': signBody, 'headers': headers}

    def handle_errors(self, code: int, reason: str, url: str, method: str, headers: dict, body: str, response, requestHeaders, requestBody):
        #
        # {"code":3,"msg":"Order price must be greater than 0. Order price is 0.","key":"ORDER_PRICE_MUST_GREETER_ZERO","detail":{"price":"0"}}
        # {"code":400,"msg":"strconv.ParseInt: parsing \"dsfdfsd\": invalid syntax","timeCost":5320995}
        #
        if response is None:
            return None
        errorCode = self.safe_integer(response, 'code')
        if errorCode is not None and errorCode != 0:
            feedback = self.id + ' ' + body
            message = self.safe_string_2(response, 'key', 'msg')
            self.throw_broadly_matched_exception(self.exceptions['broad'], message, feedback)
            status = str(code)
            self.throw_exactly_matched_exception(self.exceptions['exact'], status, feedback)
            raise ExchangeError(feedback)
        return None
