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bigone.js
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'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, ArgumentsRequired, AuthenticationError, ExchangeNotAvailable, InvalidNonce } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class bigone extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bigone',
'name': 'BigONE',
'countries': [ 'GB' ],
'version': 'v2',
'has': {
'cancelAllOrders': true,
'createMarketOrder': false,
'fetchDepositAddress': true,
'fetchMyTrades': false,
'fetchOHLCV': false,
'fetchOpenOrders': true,
'fetchTickers': true,
'withdraw': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/42803606-27c2b5ec-89af-11e8-8d15-9c8c245e8b2c.jpg',
'api': {
'public': 'https://big.one/api/v2',
'private': 'https://big.one/api/v2/viewer',
},
'www': 'https://big.one',
'doc': 'https://open.big.one/docs/api.html',
'fees': 'https://help.big.one/hc/en-us/articles/115001933374-BigONE-Fee-Policy',
'referral': 'https://b1.run/users/new?code=D3LLBVFT',
},
'api': {
'public': {
'get': [
'ping', // timestamp in nanoseconds
'markets',
'markets/{symbol}/depth',
'markets/{symbol}/trades',
'markets/{symbol}/ticker',
'orders',
'orders/{id}',
'tickers',
'trades',
],
},
'private': {
'get': [
'accounts',
'orders',
'orders/{order_id}',
'trades',
'withdrawals',
'deposits',
],
'post': [
'orders',
'orders/{order_id}/cancel',
'orders/cancel_all',
],
},
},
'fees': {
'trading': {
'maker': 0.1 / 100,
'taker': 0.1 / 100,
},
'funding': {
// HARDCODING IS DEPRECATED THE FEES BELOW ARE TO BE REMOVED SOON
'withdraw': {
'BTC': 0.002,
'ETH': 0.01,
'EOS': 0.01,
'ZEC': 0.002,
'LTC': 0.01,
'QTUM': 0.01,
// 'INK': 0.01 QTUM,
// 'BOT': 0.01 QTUM,
'ETC': 0.01,
'GAS': 0.0,
'BTS': 1.0,
'GXS': 0.1,
'BITCNY': 1.0,
},
},
},
'exceptions': {
'codes': {
'401': AuthenticationError,
'10030': InvalidNonce, // {"message":"invalid nonce, nonce should be a 19bits number","code":10030}
},
'detail': {
'Internal server error': ExchangeNotAvailable,
},
},
});
}
async fetchMarkets (params = {}) {
const response = await this.publicGetMarkets (params);
const markets = this.safeValue (response, 'data');
const result = [];
this.options['marketsByUuid'] = {};
for (let i = 0; i < markets.length; i++) {
//
// { uuid: "550b34db-696e-4434-a126-196f827d9172",
// quoteScale: 3,
// quoteAsset: { uuid: "17082d1c-0195-4fb6-8779-2cdbcb9eeb3c",
// symbol: "USDT",
// name: "TetherUS" },
// name: "BTC-USDT",
// baseScale: 5,
// baseAsset: { uuid: "0df9c3c3-255a-46d7-ab82-dedae169fba9",
// symbol: "BTC",
// name: "Bitcoin" } } }
//
const market = markets[i];
const id = this.safeString (market, 'name');
const uuid = this.safeString (market, 'uuid');
const baseAsset = this.safeValue (market, 'baseAsset', {});
const quoteAsset = this.safeValue (market, 'quoteAsset', {});
const baseId = this.safeString (baseAsset, 'symbol');
const quoteId = this.safeString (quoteAsset, 'symbol');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const symbol = base + '/' + quote;
const precision = {
'amount': this.safeInteger (market, 'baseScale'),
'price': this.safeInteger (market, 'quoteScale'),
};
const entry = {
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'active': true,
'precision': precision,
'limits': {
'amount': {
'min': Math.pow (10, -precision['amount']),
'max': Math.pow (10, precision['amount']),
},
'price': {
'min': Math.pow (10, -precision['price']),
'max': Math.pow (10, precision['price']),
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
};
this.options['marketsByUuid'][uuid] = entry;
result.push (entry);
}
return result;
}
parseTicker (ticker, market = undefined) {
//
// [
// {
// "volume": "190.4925000000000000",
// "open": "0.0777371200000000",
// "market_uuid": "38dd30bf-76c2-4777-ae2a-a3222433eef3",
// "market_id": "ETH-BTC",
// "low": "0.0742925600000000",
// "high": "0.0789150000000000",
// "daily_change_perc": "-0.3789180767180466680525339760",
// "daily_change": "-0.0002945600000000",
// "close": "0.0774425600000000", // last price
// "bid": {
// "price": "0.0764777900000000",
// "amount": "6.4248000000000000"
// },
// "ask": {
// "price": "0.0774425600000000",
// "amount": "1.1741000000000000"
// }
// }
// ]
//
if (market === undefined) {
const marketId = this.safeString (ticker, 'market_id');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
}
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const timestamp = this.milliseconds ();
const close = this.safeFloat (ticker, 'close');
const bid = this.safeValue (ticker, 'bid', {});
const ask = this.safeValue (ticker, 'ask', {});
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (bid, 'price'),
'bidVolume': this.safeFloat (bid, 'amount'),
'ask': this.safeFloat (ask, 'price'),
'askVolume': this.safeFloat (ask, 'amount'),
'vwap': undefined,
'open': this.safeFloat (ticker, 'open'),
'close': close,
'last': close,
'previousClose': undefined,
'change': this.safeFloat (ticker, 'daily_change'),
'percentage': this.safeFloat (ticker, 'daily_change_perc'),
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'volume'),
'quoteVolume': undefined,
'info': ticker,
};
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.publicGetMarketsSymbolTicker (this.extend (request, params));
return this.parseTicker (response['data'], market);
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
const response = await this.publicGetTickers (params);
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 result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'symbol': this.marketId (symbol),
};
const response = await this.publicGetMarketsSymbolDepth (this.extend (request, params));
return this.parseOrderBook (response['data'], undefined, 'bids', 'asks', 'price', 'amount');
}
parseTrade (trade, market = undefined) {
//
// { node: { taker_side: "ASK",
// price: "0.0694071600000000",
// market_uuid: "38dd30bf-76c2-4777-ae2a-a3222433eef3",
// market_id: "ETH-BTC",
// inserted_at: "2018-07-14T09:22:06Z",
// id: "19913306",
// amount: "0.8800000000000000" },
// cursor: "Y3Vyc29yOnYxOjE5OTEzMzA2" }
//
const node = this.safeValue (trade, 'node', {});
const timestamp = this.parse8601 (this.safeString (node, 'inserted_at'));
const price = this.safeFloat (node, 'price');
const amount = this.safeFloat (node, 'amount');
if (market === undefined) {
const marketId = this.safeString (node, 'market_id');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
}
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
let cost = undefined;
if (amount !== undefined) {
if (price !== undefined) {
cost = this.costToPrecision (symbol, price * amount);
}
}
// taker side is not related to buy/sell side
// the following code is probably a mistake
let side = undefined;
if (node['taker_side'] === 'ASK') {
side = 'sell';
} else {
side = 'buy';
}
const id = this.safeString (node, 'id');
return {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'id': id,
'order': undefined,
'type': 'limit',
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': parseFloat (cost),
'fee': undefined,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
if (limit !== undefined) {
request['first'] = limit;
}
const response = await this.publicGetMarketsSymbolTrades (this.extend (request, params));
//
// { data: { page_info: { start_cursor: "Y3Vyc29yOnYxOjE5OTEzMzA2",
// has_previous_page: true,
// has_next_page: false,
// end_cursor: "Y3Vyc29yOnYxOjIwMDU0NzIw" },
// edges: [ { node: { taker_side: "ASK",
// price: "0.0694071600000000",
// market_uuid: "38dd30bf-76c2-4777-ae2a-a3222433eef3",
// market_id: "ETH-BTC",
// inserted_at: "2018-07-14T09:22:06Z",
// id: "19913306",
// amount: "0.8800000000000000" },
// cursor: "Y3Vyc29yOnYxOjE5OTEzMzA2" },
// { node: { taker_side: "ASK",
// price: "0.0694071600000000",
// market_uuid: "38dd30bf-76c2-4777-ae2a-a3222433eef3",
// market_id: "ETH-BTC",
// inserted_at: "2018-07-14T09:22:07Z",
// id: "19913307",
// amount: "0.3759000000000000" },
// cursor: "Y3Vyc29yOnYxOjE5OTEzMzA3" },
// { node: { taker_side: "ASK",
// price: "0.0694071600000000",
// market_uuid: "38dd30bf-76c2-4777-ae2a-a3222433eef3",
// market_id: "ETH-BTC",
// inserted_at: "2018-07-14T09:22:08Z",
// id: "19913321",
// amount: "0.2197000000000000" },
// cursor: "Y3Vyc29yOnYxOjE5OTEzMzIx" },
//
return this.parseTrades (response['data']['edges'], market, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.privateGetAccounts (params);
//
// { data: [ { locked_balance: "0",
// balance: "0",
// asset_uuid: "04479958-d7bb-40e4-b153-48bd63f2f77f",
// asset_id: "NKC" },
// { locked_balance: "0",
// balance: "0",
// asset_uuid: "04c8da0e-44fd-4d71-aeb0-8f4d54a4a907",
// asset_id: "UBTC" },
// { locked_balance: "0",
// balance: "0",
// asset_uuid: "05bc0d34-4809-4a39-a3c8-3a1851c8d224",
// asset_id: "READ" },
//
const result = { 'info': response };
const balances = this.safeValue (response, 'data');
for (let i = 0; i < balances.length; i++) {
const balance = balances[i];
const currencyId = this.safeString (balance, 'asset_id');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['total'] = this.safeFloat (balance, 'balance');
account['used'] = this.safeFloat (balance, 'locked_balance');
result[code] = account;
}
return this.parseBalance (result);
}
parseOrder (order, market = undefined) {
//
// {
// "id": 10,
// "market_uuid": "d2185614-50c3-4588-b146-b8afe7534da6",
// "market_uuid": "BTC-EOS", // not sure which one is correct
// "market_id": "BTC-EOS", // not sure which one is correct
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// }
//
const id = this.safeString (order, 'id');
if (market === undefined) {
const marketId = this.safeString (order, 'market_id');
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
} else {
const marketUuid = this.safeString (order, 'market_uuid');
if (marketUuid in this.options['marketsByUuid']) {
market = this.options['marketsByUuid'][marketUuid];
}
}
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
const timestamp = this.parse8601 (this.safeString (order, 'inserted_at'));
const price = this.safeFloat (order, 'price');
const amount = this.safeFloat (order, 'amount');
const filled = this.safeFloat (order, 'filled_amount');
const remaining = Math.max (0, amount - filled);
const status = this.parseOrderStatus (this.safeString (order, 'state'));
let side = this.safeString (order, 'side');
if (side === 'BID') {
side = 'buy';
} else {
side = 'sell';
}
let cost = undefined;
if (filled !== undefined) {
if (price !== undefined) {
cost = filled * price;
}
}
return {
'id': id,
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'status': status,
'symbol': symbol,
'type': undefined,
'side': side,
'price': price,
'cost': cost,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': undefined,
'fee': undefined,
'info': order,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
side = (side === 'buy') ? 'BID' : 'ASK';
const request = {
'market_id': market['id'], // market uuid d2185614-50c3-4588-b146-b8afe7534da6, required
'side': side, // order side one of "ASK"/"BID", required
'amount': this.amountToPrecision (symbol, amount), // order amount, string, required
'price': this.priceToPrecision (symbol, price), // order price, string, required
};
const response = await this.privatePostOrders (this.extend (request, params));
//
// {
// "data":
// {
// "id": 10,
// "market_uuid": "BTC-EOS",
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// }
// }
//
const order = this.safeValue (response, 'data');
return this.parseOrder (order, market);
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = { 'order_id': id };
const response = await this.privatePostOrdersOrderIdCancel (this.extend (request, params));
//
// {
// "data":
// {
// "id": 10,
// "market_uuid": "BTC-EOS",
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// }
// }
//
const order = this.safeValue (response, 'data');
return this.parseOrder (order);
}
async cancelAllOrders (symbol = undefined, params = {}) {
await this.loadMarkets ();
const response = await this.privatePostOrdersOrderIdCancel (params);
//
// [
// {
// "id": 10,
// "market_uuid": "d2185614-50c3-4588-b146-b8afe7534da6",
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// },
// {
// ...
// },
// ]
//
return this.parseOrders (response);
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = { 'order_id': id };
const response = await this.privateGetOrdersOrderId (this.extend (request, params));
//
// {
// "data":
// {
// "id": 10,
// "market_uuid": "BTC-EOS",
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// }
// }
//
const order = this.safeValue (response, 'data');
return this.parseOrder (order);
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOrders requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
// NAME DESCRIPTION EXAMPLE REQUIRED
// market_id market id ETH-BTC true
// after ask for the server to return orders after the cursor dGVzdGN1cmVzZQo false
// before ask for the server to return orders before the cursor dGVzdGN1cmVzZQo false
// first slicing count 20 false
// last slicing count 20 false
// side order side one of "ASK"/"BID" false
// state order state one of "CANCELED"/"FILLED"/"PENDING" false
'market_id': market['id'],
};
if (limit !== undefined) {
request['first'] = limit;
}
const response = await this.privateGetOrders (this.extend (request, params));
//
// {
// "data": {
// "edges": [
// {
// "node": {
// "id": 10,
// "market_id": "ETH-BTC",
// "price": "10.00",
// "amount": "10.00",
// "filled_amount": "9.0",
// "avg_deal_price": "12.0",
// "side": "ASK",
// "state": "FILLED"
// },
// "cursor": "dGVzdGN1cmVzZQo="
// }
// ],
// "page_info": {
// "end_cursor": "dGVzdGN1cmVzZQo=",
// "start_cursor": "dGVzdGN1cmVzZQo=",
// "has_next_page": true,
// "has_previous_page": false
// }
// }
// }
//
const data = this.safeValue (response, 'data', {});
const orders = this.safeValue (data, 'edges', []);
const result = [];
for (let i = 0; i < orders.length; i++) {
result.push (this.parseOrder (orders[i]['node'], market));
}
return this.filterBySymbolSinceLimit (result, symbol, since, limit);
}
parseOrderStatus (status) {
const statuses = {
'PENDING': 'open',
'FILLED': 'closed',
'CANCELED': 'canceled',
};
return this.safeString (statuses, status);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'state': 'PENDING',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'state': 'FILLED',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
nonce () {
return this.microseconds () * 1000;
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const query = this.omit (params, this.extractParams (path));
let url = this.urls['api'][api] + '/' + this.implodeParams (path, params);
if (api === 'public') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
this.checkRequiredCredentials ();
const nonce = this.nonce ();
const request = {
'type': 'OpenAPI',
'sub': this.apiKey,
'nonce': nonce,
};
const jwt = this.jwt (request, this.encode (this.secret));
headers = {
'Authorization': 'Bearer ' + jwt,
};
if (method === 'GET') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else if (method === 'POST') {
headers['Content-Type'] = 'application/json';
body = this.json (query);
}
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (httpCode, reason, url, method, headers, body, response) {
if (response === undefined) {
return; // fallback to default error handler
}
//
// {"errors":{"detail":"Internal server error"}}
// {"errors":[{"message":"invalid nonce, nonce should be a 19bits number","code":10030}],"data":null}
//
const error = this.safeValue (response, 'error');
const errors = this.safeValue (response, 'errors');
const data = this.safeValue (response, 'data');
if (error !== undefined || errors !== undefined || data === undefined) {
const feedback = this.id + ' ' + this.json (response);
let code = undefined;
if (error !== undefined) {
code = this.safeInteger (error, 'code');
}
let exceptions = this.exceptions['codes'];
if (errors !== undefined) {
if (Array.isArray (errors)) {
code = this.safeString (errors[0], 'code');
} else {
code = this.safeString (errors, 'detail');
exceptions = this.exceptions['detail'];
}
}
if (code in exceptions) {
throw new exceptions[code] (feedback);
} else {
throw new ExchangeError (feedback);
}
}
}
};