@jalmonter/ccxt
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1,187 lines • 84.4 kB
JavaScript
// ---------------------------------------------------------------------------
import Exchange from './abstract/bigone.js';
import { ExchangeError, AuthenticationError, InsufficientFunds, PermissionDenied, BadRequest, BadSymbol, RateLimitExceeded, InvalidOrder, ArgumentsRequired, NotSupported } from './base/errors.js';
import { TICK_SIZE } from './base/functions/number.js';
import { jwt } from './base/functions/rsa.js';
import { sha256 } from './static_dependencies/noble-hashes/sha256.js';
import { Precise } from './base/Precise.js';
// ---------------------------------------------------------------------------
/**
* @class bigone
* @augments Exchange
*/
export default class bigone extends Exchange {
describe() {
return this.deepExtend(super.describe(), {
'id': 'bigone',
'name': 'BigONE',
'countries': ['CN'],
'version': 'v3',
'rateLimit': 1200,
'has': {
'CORS': undefined,
'spot': true,
'margin': undefined,
'swap': undefined,
'future': undefined,
'option': undefined,
'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,
'fetchDeposits': true,
'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://user-images.githubusercontent.com/1294454/69354403-1d532180-0c91-11ea-88ed-44c06cefdf87.jpg',
'api': {
'public': 'https://{hostname}/api/v3',
'private': 'https://{hostname}/api/v3/viewer',
'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',
],
},
'webExchange': {
'get': [
'uc/v2/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
},
},
'precisionMode': TICK_SIZE,
'exceptions': {
'exact': {
'10001': BadRequest,
'10005': ExchangeError,
"Amount's scale must greater than AssetPair's base scale": InvalidOrder,
"Price mulit with amount should larger than AssetPair's min_quote_value": InvalidOrder,
'10007': BadRequest,
'10011': ExchangeError,
'10013': BadSymbol,
'10014': InsufficientFunds,
'10403': PermissionDenied,
'10429': RateLimitExceeded,
'40004': AuthenticationError,
'40103': AuthenticationError,
'40104': AuthenticationError,
'40301': PermissionDenied,
'40302': ExchangeError,
'40601': ExchangeError,
'40602': ExchangeError,
'40603': InsufficientFunds,
'40604': InvalidOrder,
'40605': InvalidOrder,
'40120': InvalidOrder,
'40121': InvalidOrder,
'60100': BadSymbol, // {"code":60100,"message":"Asset pair is suspended"}
},
'broad': {},
},
'commonCurrencies': {
'CRE': 'Cybereits',
'FXT': 'FXTTOKEN',
'FREE': 'FreeRossDAO',
'MBN': 'Mobilian Coin',
'ONE': 'BigONE Token',
},
});
}
async fetchCurrencies(params = {}) {
/**
* @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
*/
// we use undocumented link (possible, less informative alternative is : https://big.one/api/uc/v3/assets/accounts)
const data = await this.fetchWebEndpoint('fetchCurrencies', 'webExchangeGetUcV2Assets', true);
if (data === undefined) {
return undefined;
}
//
// {
// "code": "0",
// "message": "",
// "data": [
// {
// "name": "TetherUS",
// "symbol": "USDT",
// "contract_address": "31",
// "is_deposit_enabled": true,
// "is_withdrawal_enabled": true,
// "is_stub": false,
// "withdrawal_fee": "5.0",
// "is_fiat": false,
// "is_memo_required": false,
// "logo": {
// "default": "https://assets.peatio.com/assets/v1/color/normal/usdt.png",
// "white": "https://assets.peatio.com/assets/v1/white/normal/usdt.png",
// },
// "info_link": null,
// "scale": "12",
// "default_gateway": ..., // one object from "gateways"
// "gateways": [
// {
// "uuid": "f0fa5a85-7f65-428a-b7b7-13aad55c2837",
// "name": "Mixin",
// "kind": "CHAIN",
// "required_confirmations": "0",
// },
// {
// "uuid": "b75446c6-1446-4c8d-b3d1-39f385b0a926",
// "name": "Ethereum",
// "kind": "CHAIN",
// "required_confirmations": "18",
// },
// {
// "uuid": "fe9b1b0b-e55c-4017-b5ce-16f524df5fc0",
// "name": "Tron",
// "kind": "CHAIN",
// "required_confirmations": "1",
// },
// ...
// ],
// "payments": [],
// "uuid": "17082d1c-0195-4fb6-8779-2cdbcb9eeb3c",
// "binding_gateways": [
// {
// "guid": "07efc37f-d1ec-4bc9-8339-a745256ea2ba",
// "contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
// "is_deposit_enabled": true,
// "display_name": "Ethereum(ERC20)",
// "gateway_name": "Ethereum",
// "min_withdrawal_amount": "0.000001",
// "min_internal_withdrawal_amount": "0.00000001",
// "withdrawal_fee": "14",
// "is_withdrawal_enabled": true,
// "min_deposit_amount": "0.000001",
// "is_memo_required": false,
// "withdrawal_scale": "2",
// "gateway": {
// "uuid": "b75446c6-1446-4c8d-b3d1-39f385b0a926",
// "name": "Ethereum",
// "kind": "CHAIN",
// "required_confirmations": "18",
// },
// "scale": "12",
// },
// {
// "guid": "b80a4d13-cac7-4319-842d-b33c3bfab8ec",
// "contract_address": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t",
// "is_deposit_enabled": true,
// "display_name": "Tron(TRC20)",
// "gateway_name": "Tron",
// "min_withdrawal_amount": "0.000001",
// "min_internal_withdrawal_amount": "0.00000001",
// "withdrawal_fee": "1",
// "is_withdrawal_enabled": true,
// "min_deposit_amount": "0.000001",
// "is_memo_required": false,
// "withdrawal_scale": "6",
// "gateway": {
// "uuid": "fe9b1b0b-e55c-4017-b5ce-16f524df5fc0",
// "name": "Tron",
// "kind": "CHAIN",
// "required_confirmations": "1",
// },
// "scale": "12",
// },
// ...
// ],
// },
// ...
// ],
// }
//
const currenciesData = this.safeValue(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.safeValue(currency, 'is_fiat') ? 'fiat' : 'crypto';
const networks = {};
const chains = this.safeValue(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.safeValue(chain, 'is_deposit_enabled');
const withdraw = this.safeValue(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.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;
}
async fetchMarkets(params = {}) {
/**
* @method
* @name bigone#fetchMarkets
* @description retrieves data on all markets for bigone
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object[]} an array of objects representing market data
*/
const response = await this.publicGetAssetPairs(params);
//
// {
// "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"
// },
// ]
// }
//
const markets = this.safeValue(response, 'data', []);
return this.parseMarkets(markets);
}
parseMarket(market) {
const id = this.safeString(market, 'name');
const baseAsset = this.safeValue(market, 'base_asset', {});
const quoteAsset = this.safeValue(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);
return {
'id': 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,
};
}
parseTicker(ticker, market = undefined) {
//
// {
// "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 marketId = this.safeString(ticker, 'asset_pair_name');
const symbol = this.safeSymbol(marketId, market, '-');
const timestamp = undefined;
const close = this.safeString(ticker, 'close');
const bid = this.safeValue(ticker, 'bid', {});
const ask = this.safeValue(ticker, 'ask', {});
return this.safeTicker({
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'high': this.safeString(ticker, 'high'),
'low': this.safeString(ticker, 'low'),
'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.safeString(ticker, 'daily_change'),
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeString(ticker, 'volume'),
'quoteVolume': undefined,
'info': ticker,
}, market);
}
async fetchTicker(symbol, params = {}) {
/**
* @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
* @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}
*/
await this.loadMarkets();
const market = this.market(symbol);
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.safeValue(response, 'data', {});
return this.parseTicker(ticker, market);
}
async fetchTickers(symbols = undefined, params = {}) {
/**
* @method
* @name bigone#fetchTickers
* @description fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
* @param {string[]|undefined} 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}
*/
await this.loadMarkets();
const request = {};
symbols = this.marketSymbols(symbols);
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"
// },
// {
// "asset_pair_name":"GXC-USDT",
// "bid":{"price":"0.5054","order_count":1,"quantity":"40.53"},
// "ask":{"price":"0.5055","order_count":1,"quantity":"38.53"},
// "open":"0.5262",
// "high":"0.5323",
// "low":"0.5055",
// "close":"0.5055",
// "volume":"603963.05",
// "daily_change":"-0.0207"
// }
// ]
// }
//
const tickers = this.safeValue(response, 'data', []);
const result = {};
for (let i = 0; i < tickers.length; i++) {
const ticker = this.parseTicker(tickers[i]);
const symbol = ticker['symbol'];
result[symbol] = ticker;
}
return this.filterByArrayTickers(result, 'symbol', symbols);
}
async fetchTime(params = {}) {
/**
* @method
* @name bigone#fetchTime
* @description fetches the current integer timestamp in milliseconds from the exchange server
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {int} the current integer timestamp in milliseconds from the exchange server
*/
const response = await this.publicGetPing(params);
//
// {
// "data": {
// "timestamp": 1527665262168391000
// }
// }
//
const data = this.safeValue(response, 'data', {});
const timestamp = this.safeInteger(data, 'Timestamp');
return this.parseToInt(timestamp / 1000000);
}
async fetchOrderBook(symbol, limit = undefined, params = {}) {
/**
* @method
* @name bigone#fetchOrderBook
* @description fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
* @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
*/
await this.loadMarkets();
const market = this.market(symbol);
const request = {
'asset_pair_name': market['id'],
};
if (limit !== undefined) {
request['limit'] = limit; // default 50, max 200
}
const 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.safeValue(response, 'data', {});
return this.parseOrderBook(orderbook, market['symbol'], undefined, 'bids', 'asks', 'price', 'quantity');
}
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 = undefined;
let takerCurrencyCode = undefined;
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'];
}
}
const makerFeeCost = this.safeString(trade, 'maker_fee');
const takerFeeCost = this.safeString(trade, 'taker_fee');
if (makerFeeCost !== undefined) {
if (takerFeeCost !== undefined) {
result['fees'] = [
{ 'cost': makerFeeCost, 'currency': makerCurrencyCode },
{ 'cost': takerFeeCost, 'currency': takerCurrencyCode },
];
}
else {
result['fee'] = { 'cost': makerFeeCost, 'currency': makerCurrencyCode };
}
}
else if (takerFeeCost !== undefined) {
result['fee'] = { 'cost': takerFeeCost, 'currency': takerCurrencyCode };
}
else {
result['fee'] = undefined;
}
return this.safeTrade(result, market);
}
async fetchTrades(symbol, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name bigone#fetchTrades
* @description get the list of most recent trades for a particular symbol
* @param {string} 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 {object} [params] extra parameters specific to the exchange API endpoint
* @returns {Trade[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades}
*/
await this.loadMarkets();
const market = this.market(symbol);
const request = {
'asset_pair_name': market['id'],
};
const response = await this.publicGetAssetPairsAssetPairNameTrades(this.extend(request, params));
//
// {
// "code": 0,
// "data": [
// {
// "id": 38199941,
// "price": "3378.67",
// "amount": "0.019812",
// "taker_side": "ASK",
// "created_at": "2019-01-29T06:05:56Z"
// },
// {
// "id": 38199934,
// "price": "3376.14",
// "amount": "0.019384",
// "taker_side": "ASK",
// "created_at": "2019-01-29T06:05:40Z"
// }
// ]
// }
//
const trades = this.safeValue(response, 'data', []);
return this.parseTrades(trades, market, since, limit);
}
parseOHLCV(ohlcv, market = undefined) {
//
// {
// "close": "0.021562",
// "high": "0.021563",
// "low": "0.02156",
// "open": "0.021563",
// "time": "2019-11-21T07:54:00Z",
// "volume": "59.84376"
// }
//
return [
this.parse8601(this.safeString(ohlcv, 'time')),
this.safeNumber(ohlcv, 'open'),
this.safeNumber(ohlcv, 'high'),
this.safeNumber(ohlcv, 'low'),
this.safeNumber(ohlcv, 'close'),
this.safeNumber(ohlcv, 'volume'),
];
}
async fetchOHLCV(symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name bigone#fetchOHLCV
* @description fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
* @param {string} symbol unified symbol of the market to fetch OHLCV data for
* @param {string} 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 {object} [params] extra parameters specific to the exchange API endpoint
* @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume
*/
await this.loadMarkets();
const market = this.market(symbol);
if (limit === undefined) {
limit = 100; // default 100, max 500
}
const request = {
'asset_pair_name': market['id'],
'period': this.safeString(this.timeframes, timeframe, timeframe),
'limit': limit,
};
if (since !== undefined) {
// const start = this.parseToInt (since / 1000);
const duration = this.parseTimeframe(timeframe);
const end = this.sum(since, limit * duration * 1000);
request['time'] = this.iso8601(end);
}
const response = await this.publicGetAssetPairsAssetPairNameCandles(this.extend(request, params));
//
// {
// "code": 0,
// "data": [
// {
// "close": "0.021656",
// "high": "0.021658",
// "low": "0.021652",
// "open": "0.021652",
// "time": "2019-11-21T09:30:00Z",
// "volume": "53.08664"
// },
// {
// "close": "0.021652",
// "high": "0.021656",
// "low": "0.021652",
// "open": "0.021656",
// "time": "2019-11-21T09:29:00Z",
// "volume": "88.39861"
// },
// ]
// }
//
const data = this.safeValue(response, 'data', []);
return this.parseOHLCVs(data, market, timeframe, since, limit);
}
parseBalance(response) {
const result = {
'info': response,
'timestamp': undefined,
'datetime': undefined,
};
const balances = this.safeValue(response, 'data', []);
for (let i = 0; i < balances.length; i++) {
const balance = balances[i];
const symbol = this.safeString(balance, 'asset_symbol');
const code = this.safeCurrencyCode(symbol);
const account = this.account();
account['total'] = this.safeString(balance, 'balance');
account['used'] = this.safeString(balance, 'locked_balance');
result[code] = account;
}
return this.safeBalance(result);
}
async fetchBalance(params = {}) {
/**
* @method
* @name bigone#fetchBalance
* @description query for balance and get the amount of funds available for trading or funds locked in orders
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} a [balance structure]{@link https://docs.ccxt.com/#/?id=balance-structure}
*/
await this.loadMarkets();
const type = this.safeString(params, 'type', '');
params = this.omit(params, 'type');
let response = undefined;
if (type === 'funding' || type === 'fund') {
response = await this.privateGetFundAccounts(params);
}
else {
response = await this.privateGetAccounts(params);
}
//
// {
// "code":0,
// "data":[
// {"asset_symbol":"NKC","balance":"0","locked_balance":"0"},
// {"asset_symbol":"UBTC","balance":"0","locked_balance":"0"},
// {"asset_symbol":"READ","balance":"0","locked_balance":"0"},
// ],
// }
//
return this.parseBalance(response);
}
parseType(type) {
const types = {
'STOP_LIMIT': 'limit',
'STOP_MARKET': 'market',
'LIMIT': 'limit',
'MARKET': 'market',
};
return this.safeString(types, type, type);
}
parseOrder(order, market = undefined) {
//
// {
// "id": "42154072251",
// "asset_pair_name": "SOL-USDT",
// "price": "20",
// "amount": "0.5",
// "filled_amount": "0",
// "avg_deal_price": "0",
// "side": "ASK",
// "state": "PENDING",
// "created_at": "2023-09-13T03:42:00Z",
// "updated_at": "2023-09-13T03:42:00Z",
// "type": "LIMIT",
// "stop_price": "0",
// "immediate_or_cancel": false,
// "post_only": false,
// "client_order_id": ''
// }
//
const id = this.safeString(order, 'id');
const marketId = this.safeString(order, 'asset_pair_name');
const symbol = this.safeSymbol(marketId, market, '-');
const timestamp = this.parse8601(this.safeString(order, 'created_at'));
let side = this.safeString(order, 'side');
if (side === 'BID') {
side = 'buy';
}
else {
side = 'sell';
}
let triggerPrice = this.safeString(order, 'stop_price');
if (Precise.stringEq(triggerPrice, '0')) {
triggerPrice = undefined;
}
const immediateOrCancel = this.safeValue(order, 'immediate_or_cancel');
let timeInForce = undefined;
if (immediateOrCancel) {
timeInForce = 'IOC';
}
const type = this.parseType(this.safeString(order, 'type'));
const price = this.safeString(order, 'price');
let amount = undefined;
let filled = undefined;
let cost = undefined;
if (type === 'market' && side === 'buy') {
cost = this.safeString(order, 'filled_amount');
}
else {
amount = this.safeString(order, 'amount');
filled = this.safeString(order, 'filled_amount');
}
return this.safeOrder({
'info': order,
'id': id,
'clientOrderId': this.safeString(order, 'client_order_id'),
'timestamp': timestamp,
'datetime': this.iso8601(timestamp),
'lastTradeTimestamp': this.parse8601(this.safeString(order, 'updated_at')),
'symbol': symbol,
'type': type,
'timeInForce': timeInForce,
'postOnly': this.safeValue(order, 'post_only'),
'side': side,
'price': price,
'stopPrice': triggerPrice,
'triggerPrice': triggerPrice,
'amount': amount,
'cost': cost,
'average': this.safeString(order, 'avg_deal_price'),
'filled': filled,
'remaining': undefined,
'status': this.parseOrderStatus(this.safeString(order, 'state')),
'fee': undefined,
'trades': undefined,
}, market);
}
async createMarketBuyOrderWithCost(symbol, cost, params = {}) {
/**
* @method
* @name bigone#createMarketBuyOrderWithCost
* @description create a market buy order by providing the symbol and cost
* @see https://open.big.one/docs/spot_orders.html#create-order
* @param {string} symbol unified symbol of the market to create an order in
* @param {float} cost how much you want to trade in units of the quote currency
* @param {object} [params] extra parameters specific to the exchange API endpoint
* @returns {object} an [order structure]{@link https://docs.ccxt.com/#/?id=order-structure}
*/
await this.loadMarkets();
const market = this.market(symbol);
if (!market['spot']) {
throw new NotSupported(this.id + ' createMarketBuyOrderWithCost() supports spot orders only');
}
params['createMarketBuyOrderRequiresPrice'] = false;
return await this.createOrder(symbol, 'market', 'buy', cost, undefined, params);
}
async createOrder(symbol, type, side, amount, price = undefined, params = {}) {
/**
* @method
* @name bigone#createOrder
* @description create a trade order
* @see https://open.big.one/docs/spot_orders.html#create-order
* @param {string} symbol unified symbol of the market to create an order in
* @param {string} type 'market' or 'limit'
* @param {string} 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 {object} [params] extra parameters specific to the exchange API endpoint
* @param {float} [params.triggerPrice] the price at which a trigger order is triggered at
* @param {bool} [params.postOn