sfccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
417 lines (400 loc) • 17.6 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { TICK_SIZE } = require ('./base/functions/number');
const Precise = require ('./base/Precise');
// ---------------------------------------------------------------------------
module.exports = class bl3p extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'bl3p',
'name': 'BL3P',
'countries': [ 'NL' ], // Netherlands
'rateLimit': 1000,
'version': '1',
'comment': 'An exchange market by BitonicNL',
'has': {
'CORS': undefined,
'spot': true,
'margin': false,
'swap': false,
'future': false,
'option': false,
'addMargin': false,
'cancelOrder': true,
'createOrder': true,
'createReduceOnlyOrder': false,
'fetchBalance': true,
'fetchBorrowRate': false,
'fetchBorrowRateHistories': false,
'fetchBorrowRateHistory': false,
'fetchBorrowRates': false,
'fetchBorrowRatesPerSymbol': false,
'fetchFundingHistory': false,
'fetchFundingRate': false,
'fetchFundingRateHistory': false,
'fetchFundingRates': false,
'fetchIndexOHLCV': false,
'fetchLeverage': false,
'fetchMarginMode': false,
'fetchMarkOHLCV': false,
'fetchOpenInterestHistory': false,
'fetchOrderBook': true,
'fetchPosition': false,
'fetchPositionMode': false,
'fetchPositions': false,
'fetchPositionsRisk': false,
'fetchPremiumIndexOHLCV': false,
'fetchTicker': true,
'fetchTrades': true,
'fetchTradingFee': false,
'fetchTradingFees': true,
'fetchTransfer': false,
'fetchTransfers': false,
'reduceMargin': false,
'setLeverage': false,
'setMarginMode': false,
'setPositionMode': false,
'transfer': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/28501752-60c21b82-6feb-11e7-818b-055ee6d0e754.jpg',
'api': {
'rest': 'https://api.bl3p.eu',
},
'www': 'https://bl3p.eu', // 'https://bitonic.nl'
'doc': [
'https://github.com/BitonicNL/bl3p-api/tree/master/docs',
'https://bl3p.eu/api',
'https://bitonic.nl/en/api',
],
},
'api': {
'public': {
'get': [
'{market}/ticker',
'{market}/orderbook',
'{market}/trades',
],
},
'private': {
'post': [
'{market}/money/depth/full',
'{market}/money/order/add',
'{market}/money/order/cancel',
'{market}/money/order/result',
'{market}/money/orders',
'{market}/money/orders/history',
'{market}/money/trades/fetch',
'GENMKT/money/info',
'GENMKT/money/deposit_address',
'GENMKT/money/new_deposit_address',
'GENMKT/money/wallet/history',
'GENMKT/money/withdraw',
],
},
},
'markets': {
'BTC/EUR': { 'id': 'BTCEUR', 'symbol': 'BTC/EUR', 'base': 'BTC', 'quote': 'EUR', 'baseId': 'BTC', 'quoteId': 'EUR', 'maker': 0.0025, 'taker': 0.0025, 'type': 'spot', 'spot': true },
},
'precisionMode': TICK_SIZE,
});
}
parseBalance (response) {
const data = this.safeValue (response, 'data', {});
const wallets = this.safeValue (data, 'wallets', {});
const result = { 'info': data };
const codes = Object.keys (this.currencies);
for (let i = 0; i < codes.length; i++) {
const code = codes[i];
const currency = this.currency (code);
const currencyId = currency['id'];
const wallet = this.safeValue (wallets, currencyId, {});
const available = this.safeValue (wallet, 'available', {});
const balance = this.safeValue (wallet, 'balance', {});
const account = this.account ();
account['free'] = this.safeString (available, 'value');
account['total'] = this.safeString (balance, 'value');
result[code] = account;
}
return this.safeBalance (result);
}
async fetchBalance (params = {}) {
/**
* @method
* @name bl3p#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 bl3p api endpoint
* @returns {object} a [balance structure]{@link https://docs.ccxt.com/en/latest/manual.html?#balance-structure}
*/
await this.loadMarkets ();
const response = await this.privatePostGENMKTMoneyInfo (params);
return this.parseBalance (response);
}
parseBidAsk (bidask, priceKey = 0, amountKey = 1) {
const price = this.safeString (bidask, priceKey);
const size = this.safeString (bidask, amountKey);
return [
this.parseNumber (Precise.stringDiv (price, '100000.0')),
this.parseNumber (Precise.stringDiv (size, '100000000.0')),
];
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
/**
* @method
* @name bl3p#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|undefined} limit the maximum amount of order book entries to return
* @param {object} params extra parameters specific to the bl3p api endpoint
* @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/en/latest/manual.html#order-book-structure} indexed by market symbols
*/
const market = this.market (symbol);
const request = {
'market': market['id'],
};
const response = await this.publicGetMarketOrderbook (this.extend (request, params));
const orderbook = this.safeValue (response, 'data');
return this.parseOrderBook (orderbook, market['symbol'], undefined, 'bids', 'asks', 'price_int', 'amount_int');
}
parseTicker (ticker, market = undefined) {
//
// {
// "currency":"BTC",
// "last":32654.55595,
// "bid":32552.3642,
// "ask":32703.58231,
// "high":33500,
// "low":31943,
// "timestamp":1643372789,
// "volume":{
// "24h":2.27372413,
// "30d":320.79375456
// }
// }
//
const symbol = this.safeSymbol (undefined, market);
const timestamp = this.safeTimestamp (ticker, 'timestamp');
const last = this.safeString (ticker, 'last');
const volume = this.safeValue (ticker, 'volume', {});
return this.safeTicker ({
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeString (ticker, 'high'),
'low': this.safeString (ticker, 'low'),
'bid': this.safeString (ticker, 'bid'),
'bidVolume': undefined,
'ask': this.safeString (ticker, 'ask'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeString (volume, '24h'),
'quoteVolume': undefined,
'info': ticker,
}, market);
}
async fetchTicker (symbol, params = {}) {
/**
* @method
* @name bl3p#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 bl3p api endpoint
* @returns {object} a [ticker structure]{@link https://docs.ccxt.com/en/latest/manual.html#ticker-structure}
*/
const market = this.market (symbol);
const request = {
'market': market['id'],
};
const ticker = await this.publicGetMarketTicker (this.extend (request, params));
//
// {
// "currency":"BTC",
// "last":32654.55595,
// "bid":32552.3642,
// "ask":32703.58231,
// "high":33500,
// "low":31943,
// "timestamp":1643372789,
// "volume":{
// "24h":2.27372413,
// "30d":320.79375456
// }
// }
//
return this.parseTicker (ticker, market);
}
parseTrade (trade, market = undefined) {
const id = this.safeString (trade, 'trade_id');
const timestamp = this.safeInteger (trade, 'date');
const price = this.safeString (trade, 'price_int');
const amount = this.safeString (trade, 'amount_int');
market = this.safeMarket (undefined, market);
return this.safeTrade ({
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': undefined,
'order': undefined,
'takerOrMaker': undefined,
'price': Precise.stringDiv (price, '100000'),
'amount': Precise.stringDiv (amount, '100000000'),
'cost': undefined,
'fee': undefined,
}, market);
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
/**
* @method
* @name bl3p#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|undefined} since timestamp in ms of the earliest trade to fetch
* @param {int|undefined} limit the maximum amount of trades to fetch
* @param {object} params extra parameters specific to the bl3p api endpoint
* @returns {[object]} a list of [trade structures]{@link https://docs.ccxt.com/en/latest/manual.html?#public-trades}
*/
const market = this.market (symbol);
const response = await this.publicGetMarketTrades (this.extend ({
'market': market['id'],
}, params));
const result = this.parseTrades (response['data']['trades'], market, since, limit);
return result;
}
async fetchTradingFees (params = {}) {
/**
* @method
* @name bl3p#fetchTradingFees
* @description fetch the trading fees for multiple markets
* @param {object} params extra parameters specific to the bl3p api endpoint
* @returns {object} a dictionary of [fee structures]{@link https://docs.ccxt.com/en/latest/manual.html#fee-structure} indexed by market symbols
*/
await this.loadMarkets ();
const response = await this.privatePostGENMKTMoneyInfo (params);
//
// {
// result: 'success',
// data: {
// user_id: '13396',
// wallets: {
// BTC: {
// balance: {
// value_int: '0',
// display: '0.00000000 BTC',
// currency: 'BTC',
// value: '0.00000000',
// display_short: '0.00 BTC'
// },
// available: {
// value_int: '0',
// display: '0.00000000 BTC',
// currency: 'BTC',
// value: '0.00000000',
// display_short: '0.00 BTC'
// }
// },
// ...
// },
// trade_fee: '0.25'
// }
// }
//
const data = this.safeValue (response, 'data', {});
const feeString = this.safeString (data, 'trade_fee');
const fee = this.parseNumber (Precise.stringDiv (feeString, '100'));
const result = {};
for (let i = 0; i < this.symbols.length; i++) {
const symbol = this.symbols[i];
result[symbol] = {
'info': data,
'symbol': symbol,
'maker': fee,
'taker': fee,
'percentage': true,
'tierBased': false,
};
}
return result;
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
/**
* @method
* @name bl3p#createOrder
* @description create a trade 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|undefined} 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 bl3p api endpoint
* @returns {object} an [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
const market = this.market (symbol);
const amountString = this.numberToString (amount);
const priceString = this.numberToString (price);
const order = {
'market': market['id'],
'amount_int': parseInt (Precise.stringMul (amountString, '100000000')),
'fee_currency': market['quote'],
'type': (side === 'buy') ? 'bid' : 'ask',
};
if (type === 'limit') {
order['price_int'] = parseInt (Precise.stringMul (priceString, '100000.0'));
}
const response = await this.privatePostMarketMoneyOrderAdd (this.extend (order, params));
const orderId = this.safeString (response['data'], 'order_id');
return {
'info': response,
'id': orderId,
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
/**
* @method
* @name bl3p#cancelOrder
* @description cancels an open order
* @param {string} id order id
* @param {string|undefined} symbol unified symbol of the market the order was made in
* @param {object} params extra parameters specific to the bl3p api endpoint
* @returns {object} An [order structure]{@link https://docs.ccxt.com/en/latest/manual.html#order-structure}
*/
const request = {
'order_id': id,
};
return await this.privatePostMarketMoneyOrderCancel (this.extend (request, params));
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const request = this.implodeParams (path, params);
let url = this.urls['api']['rest'] + '/' + this.version + '/' + request;
const query = this.omit (params, this.extractParams (path));
if (api === 'public') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
this.checkRequiredCredentials ();
const nonce = this.nonce ();
body = this.urlencode (this.extend ({ 'nonce': nonce }, query));
const secret = this.base64ToBinary (this.secret);
// eslint-disable-next-line quotes
const auth = request + "\0" + body;
const signature = this.hmac (this.encode (auth), secret, 'sha512', 'base64');
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Rest-Key': this.apiKey,
'Rest-Sign': signature,
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};