kamiswiss-ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
400 lines (379 loc) • 14 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, AuthenticationError, DDoSProtection } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coinnest extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coinnest',
'name': 'coinnest',
'countries': [ 'KR' ],
'rateLimit': 1000,
'has': {
'fetchOpenOrders': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/38065728-7289ff5c-330d-11e8-9cc1-cf0cbcb606bc.jpg',
'api': {
'public': 'https://api.coinnest.co.kr/api',
'private': 'https://api.coinnest.co.kr/api',
'web': 'https://www.coinnest.co.kr',
},
'www': 'https://www.coinnest.co.kr',
'doc': 'https://www.coinnest.co.kr/doc/intro.html',
'fees': [
'https://coinnesthelp.zendesk.com/hc/ko/articles/115002110252-%EA%B1%B0%EB%9E%98-%EC%88%98%EC%88%98%EB%A3%8C%EB%8A%94-%EC%96%BC%EB%A7%88%EC%9D%B8%EA%B0%80%EC%9A%94-',
'https://coinnesthelp.zendesk.com/hc/ko/articles/115002110272-%EB%B9%84%ED%8A%B8%EC%BD%94%EC%9D%B8-%EC%88%98%EC%88%98%EB%A3%8C%EB%A5%BC-%EC%84%A0%ED%83%9D%ED%95%98%EB%8A%94-%EC%9D%B4%EC%9C%A0%EA%B0%80-%EB%AC%B4%EC%97%87%EC%9D%B8%EA%B0%80%EC%9A%94-',
],
},
'api': {
'web': {
'get': [
'coin/allcoin',
],
},
'public': {
'get': [
'pub/ticker',
'pub/depth',
'pub/trades',
],
},
'private': {
'post': [
'account/balance',
'trade/add',
'trade/cancel',
'trade/fetchtrust',
'trade/trust',
],
},
},
'fees': {
'trading': {
'maker': 0.1 / 100,
'taker': 0.1 / 100,
},
'funding': {
'withdraw': {
'BTC': '0.002',
},
},
},
'precision': {
'amount': 8,
'price': 8,
},
});
}
async fetchMarkets (params = {}) {
const quote = 'KRW';
const quoteId = quote.toLowerCase ();
// todo: rewrite this for web endpoint
const coins = [
'btc',
'bch',
'btg',
'bcd',
'ubtc',
'btn',
'kst',
'ltc',
'act',
'eth',
'etc',
'ada',
'qtum',
'xlm',
'neo',
'gas',
'rpx',
'hsr',
'knc',
'tsl',
'tron',
'omg',
'wtc',
'mco',
'storm',
'gto',
'pxs',
'chat',
'ink',
'oc',
'hlc',
'ent',
'qbt',
'spc',
'put',
];
const result = [];
for (let i = 0; i < coins.length; i++) {
const baseId = coins[i];
const id = baseId + '/' + quoteId;
const base = this.commonCurrencyCode (baseId.toUpperCase ());
const symbol = base + '/' + quote;
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'active': true,
'info': undefined,
});
}
return result;
}
parseTicker (ticker, market = undefined) {
const timestamp = this.safeInteger (ticker, 'time') * 1000;
const symbol = market['symbol'];
const last = this.safeFloat (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (ticker, 'buy'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'sell'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'vol'),
'quoteVolume': undefined,
'info': ticker,
};
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'coin': market['baseId'],
};
const response = await this.publicGetPubTicker (this.extend (request, params));
return this.parseTicker (response, market);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'coin': market['baseId'],
};
const response = await this.publicGetPubDepth (this.extend (request, params));
return this.parseOrderBook (response);
}
parseTrade (trade, market = undefined) {
const timestamp = this.safeInteger (trade, 'date') * 1000;
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat (trade, 'amount');
const symbol = market['symbol'];
const cost = this.priceToPrecision (symbol, amount * price);
return {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'id': this.safeString (trade, 'tid'),
'order': undefined,
'type': 'limit',
'side': trade['type'],
'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 = {
'coin': market['baseId'],
};
const response = await this.publicGetPubTrades (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.privatePostAccountBalance (params);
const result = { 'info': response };
const balancKeys = Object.keys (response);
for (let i = 0; i < balancKeys.length; i++) {
const key = balancKeys[i];
const parts = key.split ('_');
const numParts = parts.length;
if (numParts !== 2) {
continue;
}
let type = parts[1];
if (type !== 'reserved' && type !== 'balance') {
continue;
}
const currencyId = parts[0];
const uppercase = currencyId.toUpperCase ();
const code = this.commonCurrencyCode (uppercase);
if (!(code in result)) {
result[code] = {
'free': 0.0,
'used': 0.0,
'total': 0.0,
};
}
type = (type === 'reserved' ? 'used' : 'free');
result[code][type] = this.safeFloat (response, key);
const otherType = (type === 'used' ? 'free' : 'used');
if (otherType in result[code]) {
result[code]['total'] = this.sum (result[code]['free'], result[code]['used']);
}
}
return this.parseBalance (result);
}
parseOrderStatus (status) {
const statuses = {
'1': 'open',
'2': 'open',
'3': 'canceled',
'4': 'closed',
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market) {
const symbol = market['symbol'];
const timestamp = this.safeInteger (order, 'time') * 1000;
const status = this.parseOrderStatus (this.safeString (order, 'status'));
const amount = this.safeFloat (order, 'amount_total');
const remaining = this.safeFloat (order, 'amount_over');
let filled = this.safeValue (order, 'deals');
if (filled) {
filled = this.safeFloat (filled, 'sum_amount');
} else {
filled = amount - remaining;
}
return {
'id': this.safeString (order, 'id'),
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': 'limit',
'side': order['type'],
'price': this.safeFloat (order, 'price'),
'cost': undefined,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': undefined,
'fee': undefined,
'info': this.safeValue (order, 'info', order),
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'coin': market['baseId'],
'type': side,
'number': amount,
'price': price,
};
const response = await this.privatePostTradeAdd (this.extend (request, params));
const order = {
'id': response['id'],
'time': this.seconds (),
'type': side,
'price': price,
'amount_total': amount,
'amount_over': amount,
'info': response,
};
const id = order['id'];
this.orders[id] = this.parseOrder (order, market);
return order;
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'id': id,
'coin': market['baseId'],
};
return await this.privatePostTradeCancel (this.extend (request, params));
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'id': id,
'coin': market['baseId'],
};
const response = await this.privatePostTradeFetchtrust (this.extend (request, params));
return this.parseOrder (response, market);
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'coin': market['baseId'],
};
if (since !== undefined) {
request['since'] = parseInt (since / 1000);
}
if (limit !== undefined) {
request['limit'] = limit;
}
const response = await this.privatePostTradeTrust (this.extend (request, params));
return this.parseOrders (response, market);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'type': '1',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'][api] + '/' + path;
let query = undefined;
if (api === 'public') {
query = this.urlencode (params);
if (query.length) {
url += '?' + query;
}
} else {
this.checkRequiredCredentials ();
body = this.urlencode (this.extend (params, {
'key': this.apiKey,
'nonce': this.nonce (),
}));
const secret = this.hash (this.secret);
body += '&signature=' + this.hmac (this.encode (body), this.encode (secret));
headers = { 'Content-type': 'application/x-www-form-urlencoded' };
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
const response = await this.fetch2 (path, api, method, params, headers, body);
const status = this.safeString (response, 'status');
if (!response || response === 'nil' || status) {
const ErrorClass = this.safeValue ({
'100': DDoSProtection,
'101': DDoSProtection,
'104': AuthenticationError,
'105': AuthenticationError,
'106': DDoSProtection,
}, status, ExchangeError);
const message = this.safeString (response, 'msg', this.json (response));
throw new ErrorClass (message);
}
return response;
}
};