@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
185 lines (173 loc) • 9.46 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const acx = require ('./acx.js');
const { ExchangeError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class kuna extends acx {
describe () {
return this.deepExtend (super.describe (), {
'id': 'kuna',
'name': 'Kuna',
'countries': 'UA',
'rateLimit': 1000,
'version': 'v2',
'has': {
'CORS': false,
'fetchTickers': true,
'fetchOpenOrders': true,
'fetchMyTrades': true,
'withdraw': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/31697638-912824fa-b3c1-11e7-8c36-cf9606eb94ac.jpg',
'api': 'https://kuna.io',
'www': 'https://kuna.io',
'doc': 'https://kuna.io/documents/api',
'fees': 'https://kuna.io/documents/api',
},
'fees': {
'trading': {
'taker': 0.25 / 100,
'maker': 0.25 / 100,
},
'funding': {
'withdraw': {
'UAH': '1%',
'BTC': 0.001,
'BCH': 0.001,
'ETH': 0.01,
'WAVES': 0.01,
'GOL': 0.0,
'GBG': 0.0,
// 'RMC': 0.001 BTC
// 'ARN': 0.01 ETH
// 'R': 0.01 ETH
// 'EVR': 0.01 ETH
},
'deposit': {
// 'UAH': (amount) => amount * 0.001 + 5
},
},
},
});
}
async fetchMarkets () {
let predefinedMarkets = [
{ 'id': 'btcuah', 'symbol': 'BTC/UAH', 'base': 'BTC', 'quote': 'UAH', 'baseId': 'btc', 'quoteId': 'uah', 'precision': { 'amount': 6, 'price': 0 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 1, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'ethuah', 'symbol': 'ETH/UAH', 'base': 'ETH', 'quote': 'UAH', 'baseId': 'eth', 'quoteId': 'uah', 'precision': { 'amount': 6, 'price': 0 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 1, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'gbguah', 'symbol': 'GBG/UAH', 'base': 'GBG', 'quote': 'UAH', 'baseId': 'gbg', 'quoteId': 'uah', 'precision': { 'amount': 3, 'price': 2 }, 'lot': 0.001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 0.01, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}}, // Golos Gold (GBG != GOLOS)
{ 'id': 'kunbtc', 'symbol': 'KUN/BTC', 'base': 'KUN', 'quote': 'BTC', 'baseId': 'kun', 'quoteId': 'btc', 'precision': { 'amount': 6, 'price': 6 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 0.000001, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'bchbtc', 'symbol': 'BCH/BTC', 'base': 'BCH', 'quote': 'BTC', 'baseId': 'bch', 'quoteId': 'btc', 'precision': { 'amount': 6, 'price': 6 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 0.000001, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'bchuah', 'symbol': 'BCH/UAH', 'base': 'BCH', 'quote': 'UAH', 'baseId': 'bch', 'quoteId': 'uah', 'precision': { 'amount': 6, 'price': 0 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 1, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'wavesuah', 'symbol': 'WAVES/UAH', 'base': 'WAVES', 'quote': 'UAH', 'baseId': 'waves', 'quoteId': 'uah', 'precision': { 'amount': 6, 'price': 0 }, 'lot': 0.000001, 'limits': { 'amount': { 'min': 0.000001, 'max': undefined }, 'price': { 'min': 1, 'max': undefined }, 'cost': { 'min': 0.000001, 'max': undefined }}},
{ 'id': 'arnbtc', 'symbol': 'ARN/BTC', 'base': 'ARN', 'quote': 'BTC', 'baseId': 'arn', 'quoteId': 'btc' },
{ 'id': 'b2bbtc', 'symbol': 'B2B/BTC', 'base': 'B2B', 'quote': 'BTC', 'baseId': 'b2b', 'quoteId': 'btc' },
{ 'id': 'evrbtc', 'symbol': 'EVR/BTC', 'base': 'EVR', 'quote': 'BTC', 'baseId': 'evr', 'quoteId': 'btc' },
{ 'id': 'golgbg', 'symbol': 'GOL/GBG', 'base': 'GOL', 'quote': 'GBG', 'baseId': 'gol', 'quoteId': 'gbg' },
{ 'id': 'rbtc', 'symbol': 'R/BTC', 'base': 'R', 'quote': 'BTC', 'baseId': 'r', 'quoteId': 'btc' },
{ 'id': 'rmcbtc', 'symbol': 'RMC/BTC', 'base': 'RMC', 'quote': 'BTC', 'baseId': 'rmc', 'quoteId': 'btc' },
];
let markets = [];
let tickers = await this.publicGetTickers ();
for (let i = 0; i < predefinedMarkets.length; i++) {
let market = predefinedMarkets[i];
if (market['id'] in tickers)
markets.push (market);
}
let marketsById = this.indexBy (markets, 'id');
let ids = Object.keys (tickers);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
if (!(id in marketsById)) {
let baseId = id.replace ('btc', '');
baseId = baseId.replace ('uah', '');
baseId = baseId.replace ('gbg', '');
if (baseId.length > 0) {
let baseIdLength = baseId.length - 0; // a transpiler workaround
let quoteId = id.slice (baseIdLength);
let base = baseId.toUpperCase ();
let quote = quoteId.toUpperCase ();
base = this.commonCurrencyCode (base);
quote = this.commonCurrencyCode (quote);
let symbol = base + '/' + quote;
markets.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
});
}
}
}
return markets;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let orderBook = await this.publicGetOrderBook (this.extend ({
'market': market['id'],
}, params));
return this.parseOrderBook (orderBook, undefined, 'bids', 'asks', 'price', 'remaining_volume');
}
async fetchL3OrderBook (symbol, limit = undefined, params = {}) {
return this.fetchOrderBook (symbol, limit, params);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (!symbol)
throw new ExchangeError (this.id + ' fetchOpenOrders requires a symbol argument');
await this.loadMarkets ();
let market = this.market (symbol);
let orders = await this.privateGetOrders (this.extend ({
'market': market['id'],
}, params));
// todo emulation of fetchClosedOrders, fetchOrders, fetchOrder
// with order cache + fetchOpenOrders
// as in BTC-e, Liqui, Yobit, DSX, Tidex, WEX
return this.parseOrders (orders, market, since, limit);
}
parseTrade (trade, market = undefined) {
let timestamp = this.parse8601 (trade['created_at']);
let symbol = undefined;
if (market)
symbol = market['symbol'];
let side = this.safeString (trade, 'side');
let sideMap = {
'ask': 'sell',
'bid': 'buy',
};
side = sideMap[side];
let cost = this.safeFloat (trade, 'funds');
let order = this.safeString (trade, 'order_id');
return {
'id': trade['id'].toString (),
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'type': undefined,
'side': side,
'price': this.safeFloat (trade, 'price'),
'amount': this.safeFloat (trade, 'volume'),
'cost': cost,
'order': order,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let response = await this.publicGetTrades (this.extend ({
'market': market['id'],
}, params));
return this.parseTrades (response, market, since, limit);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (!symbol)
throw new ExchangeError (this.id + ' fetchOpenOrders requires a symbol argument');
await this.loadMarkets ();
let market = this.market (symbol);
let response = await this.privateGetTradesMy ({ 'market': market['id'] });
return this.parseTrades (response, market, since, limit);
}
};