ccxt
Version:
1,213 lines (1,210 loc) • 99.9 kB
JavaScript
'use strict';
var bigone$1 = require('./abstract/bigone.js');
var errors = require('./base/errors.js');
var number = require('./base/functions/number.js');
var rsa = require('./base/functions/rsa.js');
var sha256 = require('./static_dependencies/noble-hashes/sha256.js');
var Precise = require('./base/Precise.js');
// ----------------------------------------------------------------------------
// ---------------------------------------------------------------------------
/**
* @class bigone
* @augments Exchange
*/
class bigone extends bigone$1 {
describe() {
return this.deepExtend(super.describe(), {
'id': 'bigone',
'name': 'BigONE',
'countries': ['CN'],
'version': 'v3',
'rateLimit': 20,
'has': {
'CORS': undefined,
'spot': true,
'margin': false,
'swap': undefined,
'future': undefined,
'option': false,
'cancelAllOrders': true,
'cancelOrder': true,
'createMarketBuyOrderWithCost': true,
'createMarketOrderWithCost': false,
'createMarketSellOrderWithCost': false,
'createOrder': true,
'createPostOnlyOrder': true,
'createStopLimitOrder': true,
'createStopMarketOrder': true,
'createStopOrder': true,
'fetchBalance': true,
'fetchClosedOrders': true,
'fetchCurrencies': true,
'fetchDepositAddress': true,
'fetchDepositAddresses': false,
'fetchDepositAddressesByNetwork': false,
'fetchDeposits': true,
'fetchFundingHistory': false,
'fetchFundingRate': false,
'fetchFundingRateHistory': false,
'fetchFundingRates': false,
'fetchMarkets': true,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchOrders': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchTime': true,
'fetchTrades': true,
'fetchTradingFee': false,
'fetchTradingFees': false,
'fetchTransactionFees': false,
'fetchWithdrawals': true,
'transfer': true,
'withdraw': true,
},
'timeframes': {
'1m': 'min1',
'5m': 'min5',
'15m': 'min15',
'30m': 'min30',
'1h': 'hour1',
'3h': 'hour3',
'4h': 'hour4',
'6h': 'hour6',
'12h': 'hour12',
'1d': 'day1',
'1w': 'week1',
'1M': 'month1',
},
'hostname': 'big.one',
'urls': {
'logo': 'https://github.com/user-attachments/assets/4e5cfd53-98cc-4b90-92cd-0d7b512653d1',
'api': {
'public': 'https://{hostname}/api/v3',
'private': 'https://{hostname}/api/v3/viewer',
'contractPublic': 'https://{hostname}/api/contract/v2',
'contractPrivate': 'https://{hostname}/api/contract/v2',
'webExchange': 'https://{hostname}/api/',
},
'www': 'https://big.one',
'doc': 'https://open.big.one/docs/api.html',
'fees': 'https://bigone.zendesk.com/hc/en-us/articles/115001933374-BigONE-Fee-Policy',
'referral': 'https://b1.run/users/new?code=D3LLBVFT',
},
'api': {
'public': {
'get': [
'ping',
'asset_pairs',
'asset_pairs/{asset_pair_name}/depth',
'asset_pairs/{asset_pair_name}/trades',
'asset_pairs/{asset_pair_name}/ticker',
'asset_pairs/{asset_pair_name}/candles',
'asset_pairs/tickers',
],
},
'private': {
'get': [
'accounts',
'fund/accounts',
'assets/{asset_symbol}/address',
'orders',
'orders/{id}',
'orders/multi',
'trades',
'withdrawals',
'deposits',
],
'post': [
'orders',
'orders/{id}/cancel',
'orders/cancel',
'withdrawals',
'transfer',
],
},
'contractPublic': {
'get': [
'symbols',
'instruments',
'depth@{symbol}/snapshot',
'instruments/difference',
'instruments/prices',
],
},
'contractPrivate': {
'get': [
'accounts',
'orders/{id}',
'orders',
'orders/opening',
'orders/count',
'orders/opening/count',
'trades',
'trades/count',
],
'post': [
'orders',
'orders/batch',
],
'put': [
'positions/{symbol}/margin',
'positions/{symbol}/risk-limit',
],
'delete': [
'orders/{id}',
'orders/batch',
],
},
'webExchange': {
'get': [
'v3/assets',
],
},
},
'fees': {
'trading': {
'maker': this.parseNumber('0.001'),
'taker': this.parseNumber('0.001'),
},
'funding': {
'withdraw': {},
},
},
'options': {
'createMarketBuyOrderRequiresPrice': true,
'accountsByType': {
'spot': 'SPOT',
'fund': 'FUND',
'funding': 'FUND',
'future': 'CONTRACT',
'swap': 'CONTRACT',
},
'transfer': {
'fillResponseFromRequest': true,
},
'exchangeMillisecondsCorrection': -100,
'fetchCurrencies': {
'webApiEnable': true,
'webApiRetries': 5,
'webApiMuteFailure': true,
},
'defaultNetwork': 'ERC20',
'defaultNetworks': {
'USDT': 'TRC20',
},
'networks': {
'ABBC': 'ABBC',
'ACA': 'Acala',
'AE': 'Aeternity',
'ALGO': 'Algorand',
'APT': 'Aptos',
'AR': 'Arweave',
'ASTR': 'Astar',
'AVAXC': 'Avax',
'AVAXX': 'AvaxChain',
'BEAM': 'Beam',
'BEP20': 'BinanceSmartChain',
'BITCI': 'BitciChain',
'BTC': 'Bitcoin',
'BCH': 'BitcoinCash',
'BSV': 'BitcoinSV',
'CELO': 'Celo',
'CKKB': 'CKB',
'ATOM': 'Cosmos',
'CRC20': 'CRO',
'DASH': 'Dash',
'DOGE': 'Dogecoin',
'XEC': 'ECash',
'EOS': 'EOS',
'ETH': 'Ethereum',
'ETC': 'EthereumClassic',
'ETHW': 'EthereumPow',
'FTM': 'Fantom',
'FIL': 'Filecoin',
'FSN': 'Fusion',
'GRIN': 'Grin',
'ONE': 'Harmony',
'HRC20': 'Hecochain',
'HBAR': 'Hedera',
'HNT': 'Helium',
'ZEN': 'Horizen',
'IOST': 'IOST',
'IRIS': 'IRIS',
'KLAY': 'Klaytn',
'KSM': 'Kusama',
'LTC': 'Litecoin',
'XMR': 'Monero',
'GLMR': 'Moonbeam',
'NEAR': 'Near',
'NEO': 'Neo',
'NEON3': 'NeoN3',
'OASIS': 'Oasis',
'OKC': 'Okexchain',
'ONT': 'Ontology',
'OPTIMISM': 'Optimism',
'DOT': 'Polkadot',
'MATIC': 'Polygon',
'QTUM': 'Qtum',
'REI': 'REI',
'XRP': 'Ripple',
'SGB': 'SGB',
'SDN': 'Shiden',
'SOL': 'Solana',
'XLM': 'Stellar',
'TERA': 'Tera',
'XTZ': 'Tezos',
'TRC20': 'Tron',
'VET': 'Vechain',
'VSYS': 'VSystems',
'WAX': 'WAX',
'ZEC': 'Zcash',
// todo: uncomment after consensus
// 'BITSHARES_OLD': 'Bitshares',
// 'BITSHARES_NEW': 'NewBitshares',
// 'MOBILECOIN': 'Mobilecoin',
// 'LBRY': 'Lbry',
// 'ZEEPIN': 'Zeepin',
// 'WAYFCOIN': 'Wayfcoin',
// 'UCACOIN': 'Ucacoin',
// 'VANILLACASH': 'Vcash',
// 'LAMDEN': 'Lamden',
// 'GXSHARES': 'Gxshares',
// 'ICP': 'Dfinity',
// 'CLOVER': 'Clover',
// 'CLASSZZ': 'Classzz',
// 'CLASSZZ_V2': 'ClasszzV2',
// 'CHAINX_V2': 'ChainxV2',
// 'BITCOINDIAMON': 'BitcoinDiamond',
// 'BITCOINGOLD': 'BitcoinGold',
// 'BUTTRUSTSYSTEM': 'BitTrustSystem',
// 'BYTOM_V2': 'BytomV2',
// 'LIBONOMY': 'Libonomy',
// 'TERRACLASSIC': 'Terra',
// 'TERRA': 'Terra2',
// 'SUPERBITCOIN': 'SuperBitcoin',
// 'SIACLASSIC': 'Sia',
// 'SIACOIN': 'SiaCore',
// 'PARALLELFINANCE': 'Parallel',
// 'PLCULTIMA': 'Plcu',
// 'PLCULTIMA2': 'Plcu2',
// undetermined: XinFin, YAS, Ycash
},
},
'features': {
'default': {
'sandbox': false,
'createOrder': {
'marginMode': false,
'triggerPrice': true,
'triggerPriceType': undefined,
'triggerDirection': true,
'stopLossPrice': false,
'takeProfitPrice': false,
'attachedStopLossTakeProfit': undefined,
'timeInForce': {
'IOC': true,
'FOK': false,
'PO': true,
'GTD': false,
},
'hedged': false,
'trailing': false,
'leverage': false,
'marketBuyRequiresPrice': true,
'marketBuyByCost': true,
'selfTradePrevention': false,
'iceberg': false,
},
'createOrders': undefined,
'fetchMyTrades': {
'marginMode': false,
'limit': 200,
'daysBack': undefined,
'untilDays': undefined,
'symbolRequired': true,
},
'fetchOrder': {
'marginMode': false,
'trigger': false,
'trailing': false,
'symbolRequired': false,
},
'fetchOpenOrders': {
'marginMode': false,
'limit': 200,
'trigger': false,
'trailing': false,
'symbolRequired': true,
},
'fetchOrders': {
'marginMode': false,
'limit': 200,
'daysBack': undefined,
'untilDays': undefined,
'trigger': false,
'trailing': false,
'symbolRequired': true,
},
'fetchClosedOrders': {
'marginMode': false,
'limit': 200,
'daysBack': undefined,
'daysBackCanceled': undefined,
'untilDays': undefined,
'trigger': false,
'trailing': false,
'symbolRequired': true,
},
'fetchOHLCV': {
'limit': 500,
},
},
'spot': {
'extends': 'default',
},
'forDerivatives': {
'extends': 'default',
'createOrder': {
// todo: implement
'triggerPriceType': {
'mark': true,
'index': true,
'last': true,
},
},
'fetchOrders': {
'daysBack': 100000,
'untilDays': 100000,
},
'fetchClosedOrders': {
'daysBack': 100000,
'untilDays': 100000,
},
},
'swap': {
'linear': {
'extends': 'forDerivatives',
},
'inverse': {
'extends': 'forDerivatives',
},
},
'future': {
'linear': undefined,
'inverse': undefined,
},
},
'precisionMode': number.TICK_SIZE,
'exceptions': {
'exact': {
'10001': errors.BadRequest,
'10005': errors.ExchangeError,
"Amount's scale must greater than AssetPair's base scale": errors.InvalidOrder,
"Price mulit with amount should larger than AssetPair's min_quote_value": errors.InvalidOrder,
'10007': errors.BadRequest,
'10011': errors.ExchangeError,
'10013': errors.BadSymbol,
'10014': errors.InsufficientFunds,
'10403': errors.PermissionDenied,
'10429': errors.RateLimitExceeded,
'40004': errors.AuthenticationError,
'40103': errors.AuthenticationError,
'40104': errors.AuthenticationError,
'40301': errors.PermissionDenied,
'40302': errors.ExchangeError,
'40601': errors.ExchangeError,
'40602': errors.ExchangeError,
'40603': errors.InsufficientFunds,
'40604': errors.InvalidOrder,
'40605': errors.InvalidOrder,
'40120': errors.InvalidOrder,
'40121': errors.InvalidOrder,
'60100': errors.BadSymbol, // {"code":60100,"message":"Asset pair is suspended"}
},
'broad': {},
},
'commonCurrencies': {
'CRE': 'Cybereits',
'FXT': 'FXTTOKEN',
'FREE': 'FreeRossDAO',
'MBN': 'Mobilian Coin',
'ONE': 'BigONE Token',
},
});
}
/**
* @method
* @name bigone#fetchCurrencies
* @description 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
*/
async fetchCurrencies(params = {}) {
// we use undocumented link (possible, less informative alternative is : https://big.one/api/uc/v3/assets/accounts)
const data = await this.fetchWebEndpoint('fetchCurrencies', 'webExchangeGetV3Assets', true);
if (data === undefined) {
return undefined;
}
//
// {
// "code": "0",
// "message": "",
// "data": [
// {
// "uuid": "17082d1c-0195-4fb6-8779-2cdbcb9eeb3c",
// "symbol": "USDT",
// "name": "TetherUS",
// "scale": 12,
// "is_fiat": false,
// "is_transfer_enabled": true,
// "transfer_scale": 12,
// "binding_gateways": [
// {
// "guid": "07efc37f-d1ec-4bc9-8339-a745256ea2ba",
// "is_deposit_enabled": true,
// "gateway_name": "Ethereum",
// "min_withdrawal_amount": "0.000001",
// "withdrawal_fee": "5.71",
// "is_withdrawal_enabled": true,
// "min_deposit_amount": "0.000001",
// "is_memo_required": false,
// "withdrawal_scale": 6,
// "scale": 12
// },
// {
// "guid": "4e387a9a-a480-40a3-b4ae-ed1773c2db5a",
// "is_deposit_enabled": true,
// "gateway_name": "BinanceSmartChain",
// "min_withdrawal_amount": "10",
// "withdrawal_fee": "5",
// "is_withdrawal_enabled": false,
// "min_deposit_amount": "1",
// "is_memo_required": false,
// "withdrawal_scale": 8,
// "scale": 12
// }
// ]
// },
// ...
// ],
// }
//
const currenciesData = this.safeList(data, 'data', []);
const result = {};
for (let i = 0; i < currenciesData.length; i++) {
const currency = currenciesData[i];
const id = this.safeString(currency, 'symbol');
const code = this.safeCurrencyCode(id);
const name = this.safeString(currency, 'name');
const type = this.safeBool(currency, 'is_fiat') ? 'fiat' : 'crypto';
const networks = {};
const chains = this.safeList(currency, 'binding_gateways', []);
let currencyMaxPrecision = this.parsePrecision(this.safeString2(currency, 'withdrawal_scale', 'scale'));
let currencyDepositEnabled = undefined;
let currencyWithdrawEnabled = undefined;
for (let j = 0; j < chains.length; j++) {
const chain = chains[j];
const networkId = this.safeString(chain, 'gateway_name');
const networkCode = this.networkIdToCode(networkId);
const deposit = this.safeBool(chain, 'is_deposit_enabled');
const withdraw = this.safeBool(chain, 'is_withdrawal_enabled');
const isActive = (deposit && withdraw);
const minDepositAmount = this.safeString(chain, 'min_deposit_amount');
const minWithdrawalAmount = this.safeString(chain, 'min_withdrawal_amount');
const withdrawalFee = this.safeString(chain, 'withdrawal_fee');
const precision = this.parsePrecision(this.safeString2(chain, 'withdrawal_scale', 'scale'));
networks[networkCode] = {
'id': networkId,
'network': networkCode,
'margin': undefined,
'deposit': deposit,
'withdraw': withdraw,
'active': isActive,
'fee': this.parseNumber(withdrawalFee),
'precision': this.parseNumber(precision),
'limits': {
'deposit': {
'min': minDepositAmount,
'max': undefined,
},
'withdraw': {
'min': minWithdrawalAmount,
'max': undefined,
},
},
'info': chain,
};
// fill global values
currencyDepositEnabled = (currencyDepositEnabled === undefined) || deposit ? deposit : currencyDepositEnabled;
currencyWithdrawEnabled = (currencyWithdrawEnabled === undefined) || withdraw ? withdraw : currencyWithdrawEnabled;
currencyMaxPrecision = (currencyMaxPrecision === undefined) || Precise["default"].stringGt(currencyMaxPrecision, precision) ? precision : currencyMaxPrecision;
}
result[code] = {
'id': id,
'code': code,
'info': currency,
'name': name,
'type': type,
'active': undefined,
'deposit': currencyDepositEnabled,
'withdraw': currencyWithdrawEnabled,
'fee': undefined,
'precision': this.parseNumber(currencyMaxPrecision),
'limits': {
'amount': {
'min': undefined,
'max': undefined,
},
'withdraw': {
'min': undefined,
'max': undefined,
},
},
'networks': networks,
};
}
return result;
}
/**
* @method
* @name bigone#fetchMarkets
* @description retrieves data on all markets for bigone
* @see https://open.big.one/docs/spot_asset_pair.html
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object[]} an array of objects representing market data
*/
async fetchMarkets(params = {}) {
const promises = [this.publicGetAssetPairs(params), this.contractPublicGetSymbols(params)];
const promisesResult = await Promise.all(promises);
const response = promisesResult[0];
const contractResponse = promisesResult[1];
//
// {
// "code":0,
// "data":[
// {
// "id":"01e48809-b42f-4a38-96b1-c4c547365db1",
// "name":"PCX-BTC",
// "quote_scale":7,
// "quote_asset":{
// "id":"0df9c3c3-255a-46d7-ab82-dedae169fba9",
// "symbol":"BTC",
// "name":"Bitcoin",
// },
// "base_asset":{
// "id":"405484f7-4b03-4378-a9c1-2bd718ecab51",
// "symbol":"PCX",
// "name":"ChainX",
// },
// "base_scale":3,
// "min_quote_value":"0.0001",
// "max_quote_value":"35"
// },
// ]
// }
//
//
// [
// {
// "baseCurrency": "BTC",
// "multiplier": 1,
// "enable": true,
// "priceStep": 0.5,
// "maxRiskLimit": 1000,
// "pricePrecision": 1,
// "maintenanceMargin": 0.00500,
// "symbol": "BTCUSD",
// "valuePrecision": 4,
// "minRiskLimit": 100,
// "riskLimit": 100,
// "isInverse": true,
// "riskStep": 1,
// "settleCurrency": "BTC",
// "baseName": "Bitcoin",
// "feePrecision": 8,
// "priceMin": 0.5,
// "priceMax": 1E+6,
// "initialMargin": 0.01000,
// "quoteCurrency": "USD"
// },
// ...
// ]
//
const markets = this.safeList(response, 'data', []);
const result = [];
for (let i = 0; i < markets.length; i++) {
const market = markets[i];
const baseAsset = this.safeDict(market, 'base_asset', {});
const quoteAsset = this.safeDict(market, 'quote_asset', {});
const baseId = this.safeString(baseAsset, 'symbol');
const quoteId = this.safeString(quoteAsset, 'symbol');
const base = this.safeCurrencyCode(baseId);
const quote = this.safeCurrencyCode(quoteId);
result.push(this.safeMarketStructure({
'id': this.safeString(market, 'name'),
'uuid': this.safeString(market, 'id'),
'symbol': base + '/' + quote,
'base': base,
'quote': quote,
'settle': undefined,
'baseId': baseId,
'quoteId': quoteId,
'settleId': undefined,
'type': 'spot',
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'active': true,
'contract': false,
'linear': undefined,
'inverse': undefined,
'contractSize': undefined,
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'amount': this.parseNumber(this.parsePrecision(this.safeString(market, 'base_scale'))),
'price': this.parseNumber(this.parsePrecision(this.safeString(market, 'quote_scale'))),
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': undefined,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': this.safeNumber(market, 'min_quote_value'),
'max': this.safeNumber(market, 'max_quote_value'),
},
},
'created': undefined,
'info': market,
}));
}
for (let i = 0; i < contractResponse.length; i++) {
const market = contractResponse[i];
const baseId = this.safeString(market, 'baseCurrency');
const quoteId = this.safeString(market, 'quoteCurrency');
const settleId = this.safeString(market, 'settleCurrency');
const marketId = this.safeString(market, 'symbol');
const base = this.safeCurrencyCode(baseId);
const quote = this.safeCurrencyCode(quoteId);
const settle = this.safeCurrencyCode(settleId);
const inverse = this.safeBool(market, 'isInverse');
result.push(this.safeMarketStructure({
'id': marketId,
'symbol': base + '/' + quote + ':' + settle,
'base': base,
'quote': quote,
'settle': settle,
'baseId': baseId,
'quoteId': quoteId,
'settleId': settleId,
'type': 'swap',
'spot': false,
'margin': false,
'swap': true,
'future': false,
'option': false,
'active': this.safeBool(market, 'enable'),
'contract': true,
'linear': !inverse,
'inverse': inverse,
'contractSize': this.safeNumber(market, 'multiplier'),
'expiry': undefined,
'expiryDatetime': undefined,
'strike': undefined,
'optionType': undefined,
'precision': {
'amount': this.parseNumber(this.parsePrecision(this.safeString(market, 'valuePrecision'))),
'price': this.parseNumber(this.parsePrecision(this.safeString(market, 'pricePrecision'))),
},
'limits': {
'leverage': {
'min': undefined,
'max': undefined,
},
'amount': {
'min': undefined,
'max': undefined,
},
'price': {
'min': this.safeNumber(market, 'priceMin'),
'max': this.safeNumber(market, 'priceMax'),
},
'cost': {
'min': this.safeNumber(market, 'initialMargin'),
'max': undefined,
},
},
'info': market,
}));
}
return result;
}
parseTicker(ticker, market = undefined) {
//
// spot
//
// {
// "asset_pair_name": "ETH-BTC",
// "bid": {
// "price": "0.021593",
// "order_count": 1,
// "quantity": "0.20936"
// },
// "ask": {
// "price": "0.021613",
// "order_count": 1,
// "quantity": "2.87064"
// },
// "open": "0.021795",
// "high": "0.021795",
// "low": "0.021471",
// "close": "0.021613",
// "volume": "117078.90431",
// "daily_change": "-0.000182"
// }
//
// contract
//
// {
// "usdtPrice": 1.00031998,
// "symbol": "BTCUSD",
// "btcPrice": 34700.4,
// "ethPrice": 1787.83,
// "nextFundingRate": 0.00010,
// "fundingRate": 0.00010,
// "latestPrice": 34708.5,
// "last24hPriceChange": 0.0321,
// "indexPrice": 34700.4,
// "volume24h": 261319063,
// "turnover24h": 8204.129380685496,
// "nextFundingTime": 1698285600000,
// "markPrice": 34702.4646738,
// "last24hMaxPrice": 35127.5,
// "volume24hInUsd": 0.0,
// "openValue": 32.88054722085945,
// "last24hMinPrice": 33552.0,
// "openInterest": 1141372.0
// }
//
const marketType = ('asset_pair_name' in ticker) ? 'spot' : 'swap';
const marketId = this.safeString2(ticker, 'asset_pair_name', 'symbol');
const symbol = this.safeSymbol(marketId, market, '-', marketType);
const close = this.safeString2(ticker, 'close', 'latestPrice');
const bid = this.safeDict(ticker, 'bid', {});
const ask = this.safeDict(ticker, 'ask', {});
return this.safeTicker({
'symbol': symbol,
'timestamp': undefined,
'datetime': undefined,
'high': this.safeString2(ticker, 'high', 'last24hMaxPrice'),
'low': this.safeString2(ticker, 'low', 'last24hMinPrice'),
'bid': this.safeString(bid, 'price'),
'bidVolume': this.safeString(bid, 'quantity'),
'ask': this.safeString(ask, 'price'),
'askVolume': this.safeString(ask, 'quantity'),
'vwap': undefined,
'open': this.safeString(ticker, 'open'),
'close': close,
'last': close,
'previousClose': undefined,
'change': this.safeString2(ticker, 'daily_change', 'last24hPriceChange'),
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeString2(ticker, 'volume', 'volume24h'),
'quoteVolume': this.safeString(ticker, 'volume24hInUsd'),
'markPrice': this.safeString(ticker, 'markPrice'),
'indexPrice': this.safeString(ticker, 'indexPrice'),
'info': ticker,
}, market);
}
/**
* @method
* @name bigone#fetchTicker
* @description fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
* @see https://open.big.one/docs/spot_tickers.html
* @param {string} symbol unified symbol of the market to fetch the ticker for
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure}
*/
async fetchTicker(symbol, params = {}) {
await this.loadMarkets();
const market = this.market(symbol);
let type = undefined;
[type, params] = this.handleMarketTypeAndParams('fetchTicker', market, params);
if (type === 'spot') {
const request = {
'asset_pair_name': market['id'],
};
const response = await this.publicGetAssetPairsAssetPairNameTicker(this.extend(request, params));
//
// {
// "code":0,
// "data":{
// "asset_pair_name":"ETH-BTC",
// "bid":{"price":"0.021593","order_count":1,"quantity":"0.20936"},
// "ask":{"price":"0.021613","order_count":1,"quantity":"2.87064"},
// "open":"0.021795",
// "high":"0.021795",
// "low":"0.021471",
// "close":"0.021613",
// "volume":"117078.90431",
// "daily_change":"-0.000182"
// }
// }
//
const ticker = this.safeDict(response, 'data', {});
return this.parseTicker(ticker, market);
}
else {
const tickers = await this.fetchTickers([symbol], params);
return this.safeValue(tickers, symbol);
}
}
/**
* @method
* @name bigone#fetchTickers
* @description fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
* @see https://open.big.one/docs/spot_tickers.html
* @param {string[]} [symbols] unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} a dictionary of [ticker structures]{@link https://docs.ccxt.com/#/?id=ticker-structure}
*/
async fetchTickers(symbols = undefined, params = {}) {
await this.loadMarkets();
let market = undefined;
const symbol = this.safeString(symbols, 0);
if (symbol !== undefined) {
market = this.market(symbol);
}
let type = undefined;
[type, params] = this.handleMarketTypeAndParams('fetchTickers', market, params);
const isSpot = type === 'spot';
const request = {};
symbols = this.marketSymbols(symbols);
let data = undefined;
if (isSpot) {
if (symbols !== undefined) {
const ids = this.marketIds(symbols);
request['pair_names'] = ids.join(',');
}
const response = await this.publicGetAssetPairsTickers(this.extend(request, params));
//
// {
// "code": 0,
// "data": [
// {
// "asset_pair_name": "PCX-BTC",
// "bid": {
// "price": "0.000234",
// "order_count": 1,
// "quantity": "0.518"
// },
// "ask": {
// "price": "0.0002348",
// "order_count": 1,
// "quantity": "2.348"
// },
// "open": "0.0002343",
// "high": "0.0002348",
// "low": "0.0002162",
// "close": "0.0002348",
// "volume": "12887.016",
// "daily_change": "0.0000005"
// },
// ...
// ]
// }
//
data = this.safeList(response, 'data', []);
}
else {
data = await this.contractPublicGetInstruments(params);
//
// [
// {
// "usdtPrice": 1.00031998,
// "symbol": "BTCUSD",
// "btcPrice": 34700.4,
// "ethPrice": 1787.83,
// "nextFundingRate": 0.00010,
// "fundingRate": 0.00010,
// "latestPrice": 34708.5,
// "last24hPriceChange": 0.0321,
// "indexPrice": 34700.4,
// "volume24h": 261319063,
// "turnover24h": 8204.129380685496,
// "nextFundingTime": 1698285600000,
// "markPrice": 34702.4646738,
// "last24hMaxPrice": 35127.5,
// "volume24hInUsd": 0.0,
// "openValue": 32.88054722085945,
// "last24hMinPrice": 33552.0,
// "openInterest": 1141372.0
// }
// ...
// ]
//
}
const tickers = this.parseTickers(data, symbols);
return this.filterByArrayTickers(tickers, 'symbol', symbols);
}
/**
* @method
* @name bigone#fetchTime
* @description fetches the current integer timestamp in milliseconds from the exchange server
* @see https://open.big.one/docs/spot_ping.html
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {int} the current integer timestamp in milliseconds from the exchange server
*/
async fetchTime(params = {}) {
const response = await this.publicGetPing(params);
//
// {
// "data": {
// "timestamp": 1527665262168391000
// }
// }
//
const data = this.safeDict(response, 'data', {});
const timestamp = this.safeInteger(data, 'Timestamp');
return this.parseToInt(timestamp / 1000000);
}
/**
* @method
* @name bigone#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @see https://open.big.one/docs/contract_misc.html#get-orderbook-snapshot
* @param {string} 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 {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols
*/
async fetchOrderBook(symbol, limit = undefined, params = {}) {
await this.loadMarkets();
const market = this.market(symbol);
let response = undefined;
if (market['contract']) {
const request = {
'symbol': market['id'],
};
response = await this.contractPublicGetDepthSymbolSnapshot(this.extend(request, params));
//
// {
// bids: {
// '20000': '20',
// ...
// '34552': '64851',
// '34526.5': '59594',
// ...
// '34551.5': '29711'
// },
// asks: {
// '34557': '34395',
// ...
// '40000': '20',
// '34611.5': '56024',
// ...
// '34578.5': '66367'
// },
// to: '59737174',
// lastPrice: '34554.5',
// bestPrices: {
// ask: '34557.0',
// bid: '34552.0'
// },
// from: '0'
// }
//
return this.parseContractOrderBook(response, market['symbol'], limit);
}
else {
const request = {
'asset_pair_name': market['id'],
};
if (limit !== undefined) {
request['limit'] = limit; // default 50, max 200
}
response = await this.publicGetAssetPairsAssetPairNameDepth(this.extend(request, params));
//
// {
// "code":0,
// "data": {
// "asset_pair_name": "EOS-BTC",
// "bids": [
// { "price": "42", "order_count": 4, "quantity": "23.33363711" }
// ],
// "asks": [
// { "price": "45", "order_count": 2, "quantity": "4193.3283464" }
// ]
// }
// }
//
const orderbook = this.safeDict(response, 'data', {});
return this.parseOrderBook(orderbook, market['symbol'], undefined, 'bids', 'asks', 'price', 'quantity');
}
}
parseContractBidsAsks(bidsAsks) {
const bidsAsksKeys = Object.keys(bidsAsks);
const result = [];
for (let i = 0; i < bidsAsksKeys.length; i++) {
const price = bidsAsksKeys[i];
const amount = bidsAsks[price];
result.push([this.parseNumber(price), this.parseNumber(amount)]);
}
return result;
}
parseContractOrderBook(orderbook, symbol, limit = undefined) {
const responseBids = this.safeValue(orderbook, 'bids');
const responseAsks = this.safeValue(orderbook, 'asks');
const bids = this.parseContractBidsAsks(responseBids);
const asks = this.parseContractBidsAsks(responseAsks);
return {
'symbol': symbol,
'bids': this.filterByLimit(this.sortBy(bids, 0, true), limit),
'asks': this.filterByLimit(this.sortBy(asks, 0), limit),
'timestamp': undefined,
'datetime': undefined,
'nonce': undefined,
};
}
parseTrade(trade, market = undefined) {
//
// fetchTrades (public)
//
// {
// "id": 38199941,
// "price": "3378.67",
// "amount": "0.019812",
// "taker_side": "ASK",
// "created_at": "2019-01-29T06:05:56Z"
// }
//
// fetchMyTrades (private)
//
// {
// "id": 10854280,
// "asset_pair_name": "XIN-USDT",
// "price": "70",
// "amount": "1",
// "taker_side": "ASK",
// "maker_order_id": 58284908,
// "taker_order_id": 58284909,
// "maker_fee": "0.0008",
// "taker_fee": "0.07",
// "side": "SELF_TRADING",
// "inserted_at": "2019-04-16T12:00:01Z"
// },
//
// {
// "id": 10854263,
// "asset_pair_name": "XIN-USDT",
// "price": "75.7",
// "amount": "12.743149",
// "taker_side": "BID",
// "maker_order_id": null,
// "taker_order_id": 58284888,
// "maker_fee": null,
// "taker_fee": "0.0025486298",
// "side": "BID",
// "inserted_at": "2019-04-15T06:20:57Z"
// }
//
const timestamp = this.parse8601(this.safeString2(trade, 'created_at', 'inserted_at'));
const priceString = this.safeString(trade, 'price');
const amountString = this.safeString(trade, 'amount');
const marketId = this.safeString(trade, 'asset_pair_name');
market = this.safeMarket(marketId, market, '-');
let side = this.safeString(trade, 'side');
const takerSide = this.safeString(trade, 'taker_side');
let takerOrMaker = undefined;
if ((takerSide !== undefined) && (side !== undefined) && (side !== 'SELF_TRADING')) {
takerOrMaker = (takerSide === side) ? 'taker' : 'maker';
}
if (side === undefined) {
// taker side is not related to buy/sell side
// the following code is probably a mistake
side = (takerSide === 'ASK') ? 'sell' : 'buy';
}
else {
if (side === 'BID') {
side = 'buy';
}
else if (side === 'ASK') {
side = 'sell';
}
}
const makerOrderId = this.safeString(trade, 'maker_order_id');
const takerOrderId = this.safeString(trade, 'taker_order_id');
let orderId = undefined;
if (makerOrderId !== undefined) {
orderId = makerOrderId;
}
else if (takerOrderId !== undefined) {
orderId = takerOrderId;
}
const id = this.safeString(trade, 'id');
const result = {
'id': id,
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'symbol': market['symbol'],
'order': orderId,
'type': 'limit',
'side': side,
'takerOrMaker': takerOrMaker,
'price': priceString,
'amount': amountString,
'cost': undefined,
'info': trade,
};
let makerCurrencyCode;
let takerCurrencyCode;
if (takerOrMaker !== undefined) {
if (side === 'buy') {
if (takerOrMaker === 'maker') {
makerCurrencyCode = market['base'];
takerCurrencyCode = market['quote'];
}
else {
makerCurrencyCode = market['quote'];
takerCurrencyCode = market['base'];
}
}
else {
if (takerOrMaker === 'maker') {
makerCurrencyCode = market['quote'];
takerCurrencyCode = market['base'];
}
else {
makerCurrencyCode = market['base'];
takerCurrencyCode = market['quote'];
}
}
}
else if (side === 'SELF_TRADING') {
if (takerSide === 'BID') {
makerCurrencyCode = market['quote'];
takerCurrencyCode = market['base'];
}
else if (takerSide === 'ASK') {
makerCurrencyCode = market['base'];
takerCurrencyCode = market['quote'];
}
}