@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
315 lines (299 loc) • 12.8 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, ExchangeNotAvailable } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coinone extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coinone',
'name': 'CoinOne',
'countries': 'KR', // Korea
'rateLimit': 667,
'version': 'v2',
'has': {
'CORS': false,
'createMarketOrder': false,
'fetchTickers': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/38003300-adc12fba-323f-11e8-8525-725f53c4a659.jpg',
'api': 'https://api.coinone.co.kr',
'www': 'https://coinone.co.kr',
'doc': 'https://doc.coinone.co.kr',
},
'requiredCredentials': {
'apiKey': true,
'secret': true,
},
'api': {
'public': {
'get': [
'orderbook/',
'trades/',
'ticker/',
],
},
'private': {
'post': [
'account/btc_deposit_address/',
'account/balance/',
'account/daily_balance/',
'account/user_info/',
'account/virtual_account/',
'order/cancel_all/',
'order/cancel/',
'order/limit_buy/',
'order/limit_sell/',
'order/complete_orders/',
'order/limit_orders/',
'order/order_info/',
'transaction/auth_number/',
'transaction/history/',
'transaction/krw/history/',
'transaction/btc/',
'transaction/coin/',
],
},
},
'markets': {
'BCH/KRW': { 'id': 'bch', 'symbol': 'BCH/KRW', 'base': 'BCH', 'quote': 'KRW', 'baseId': 'bch', 'quoteId': 'krw' },
'BTC/KRW': { 'id': 'btc', 'symbol': 'BTC/KRW', 'base': 'BTC', 'quote': 'KRW', 'baseId': 'btc', 'quoteId': 'krw' },
'BTG/KRW': { 'id': 'btg', 'symbol': 'BTG/KRW', 'base': 'BTG', 'quote': 'KRW', 'baseId': 'btg', 'quoteId': 'krw' },
'ETC/KRW': { 'id': 'etc', 'symbol': 'ETC/KRW', 'base': 'ETC', 'quote': 'KRW', 'baseId': 'etc', 'quoteId': 'krw' },
'ETH/KRW': { 'id': 'eth', 'symbol': 'ETH/KRW', 'base': 'ETH', 'quote': 'KRW', 'baseId': 'eth', 'quoteId': 'krw' },
'IOTA/KRW': { 'id': 'iota', 'symbol': 'IOTA/KRW', 'base': 'IOTA', 'quote': 'KRW', 'baseId': 'iota', 'quoteId': 'krw' },
'LTC/KRW': { 'id': 'ltc', 'symbol': 'LTC/KRW', 'base': 'LTC', 'quote': 'KRW', 'baseId': 'ltc', 'quoteId': 'krw' },
'OMG/KRW': { 'id': 'omg', 'symbol': 'OMG/KRW', 'base': 'OMG', 'quote': 'KRW', 'baseId': 'omg', 'quoteId': 'krw' },
'QTUM/KRW': { 'id': 'qtum', 'symbol': 'QTUM/KRW', 'base': 'QTUM', 'quote': 'KRW', 'baseId': 'qtum', 'quoteId': 'krw' },
'XRP/KRW': { 'id': 'xrp', 'symbol': 'XRP/KRW', 'base': 'XRP', 'quote': 'KRW', 'baseId': 'xrp', 'quoteId': 'krw' },
},
'fees': {
'trading': {
'tierBased': true,
'percentage': true,
'taker': 0.001,
'maker': 0.001,
'tiers': {
'taker': [
[0, 0.001],
[100000000, 0.0009],
[1000000000, 0.0008],
[5000000000, 0.0007],
[10000000000, 0.0006],
[20000000000, 0.0005],
[30000000000, 0.0004],
[40000000000, 0.0003],
[50000000000, 0.0002],
],
'maker': [
[0, 0.001],
[100000000, 0.0008],
[1000000000, 0.0006],
[5000000000, 0.0004],
[10000000000, 0.0002],
[20000000000, 0],
[30000000000, 0],
[40000000000, 0],
[50000000000, 0],
],
},
},
},
'exceptions': {
'405': ExchangeNotAvailable,
},
});
}
async fetchBalance (params = {}) {
let response = await this.privatePostAccountBalance ();
let result = { 'info': response };
let ids = Object.keys (response);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let balance = response[id];
let code = id.toUpperCase ();
if (id in this.currencies_by_id)
code = this.currencies_by_id[id]['code'];
let free = parseFloat (balance['avail']);
let total = parseFloat (balance['balance']);
let used = total - free;
let account = {
'free': free,
'used': used,
'total': total,
};
result[code] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
let market = this.market (symbol);
let response = await this.publicGetOrderbook (this.extend ({
'currency': market['id'],
'format': 'json',
}, params));
return this.parseOrderBook (response, undefined, 'bid', 'ask', 'price', 'qty');
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
let response = await this.publicGetTicker (this.extend ({
'currency': 'all',
'format': 'json',
}, params));
let result = {};
let tickers = response;
let ids = Object.keys (tickers);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let symbol = id;
let market = undefined;
if (id in this.markets_by_id) {
market = this.markets_by_id[id];
symbol = market['symbol'];
let ticker = tickers[id];
result[symbol] = this.parseTicker (ticker, market);
}
}
return result;
}
async fetchTicker (symbol, params = {}) {
let market = this.market (symbol);
let response = await this.publicGetTicker (this.extend ({
'currency': market['id'],
'format': 'json',
}, params));
return this.parseTicker (response, market);
}
parseTicker (ticker, market = undefined) {
let timestamp = this.milliseconds ();
let last = this.safeFloat (ticker, 'last');
let previousClose = this.safeFloat (ticker, 'yesterday_last');
let change = undefined;
if (typeof last !== 'undefined' && typeof previousClose !== 'undefined')
change = previousClose - last;
let symbol = (typeof market !== 'undefined') ? market['symbol'] : undefined;
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': undefined,
'bidVolume': undefined,
'ask': undefined,
'askVolume': undefined,
'vwap': undefined,
'open': this.safeFloat (ticker, 'first'),
'close': last,
'last': last,
'previousClose': previousClose,
'change': change,
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'volume'),
'quoteVolume': undefined,
'info': ticker,
};
}
parseTrade (trade, market = undefined) {
let timestamp = parseInt (trade['timestamp']) * 1000;
let symbol = (typeof market !== 'undefined') ? market['symbol'] : undefined;
return {
'id': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'order': undefined,
'symbol': symbol,
'type': undefined,
'side': undefined,
'price': this.safeFloat (trade, 'price'),
'amount': this.safeFloat (trade, 'qty'),
'fee': undefined,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
let market = this.market (symbol);
let response = await this.publicGetTrades (this.extend ({
'currency': market['id'],
'period': 'hour',
'format': 'json',
}, params));
return this.parseTrades (response['completeOrders'], market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
if (type !== 'limit')
throw new ExchangeError (this.id + ' allows limit orders only');
await this.loadMarkets ();
let order = {
'price': price,
'currency': this.marketId (symbol),
'qty': amount,
};
let method = 'privatePostOrder' + this.capitalize (type) + this.capitalize (side);
let response = await this[method] (this.extend (order, params));
// todo: return the full order structure
// return this.parseOrder (response, market);
let orderId = this.safeString (response, 'orderId');
return {
'info': response,
'id': orderId,
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostOrderCancel ({ 'orderID': id });
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let request = this.implodeParams (path, params);
let query = this.omit (params, this.extractParams (path));
let url = this.urls['api'] + '/';
if (api === 'public') {
url += request;
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
this.checkRequiredCredentials ();
url += this.version + '/' + request;
let nonce = this.nonce ().toString ();
let json = this.json ({
'access_token': this.apiKey,
'nonce': nonce,
});
let payload = this.stringToBase64 (this.encode (json));
body = this.decode (payload);
let secret = this.secret.toUpperCase ();
let signature = this.hmac (payload, this.encode (secret), 'sha512');
headers = {
'content-type': 'application/json',
'X-COINONE-PAYLOAD': payload,
'X-COINONE-SIGNATURE': signature,
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (code, reason, url, method, headers, body) {
if ((body[0] === '{') || (body[0] === '[')) {
let response = JSON.parse (body);
if ('result' in response) {
let result = response['result'];
if (result !== 'success') {
//
// { "errorCode": "405", "status": "maintenance", "result": "error"}
//
const code = this.safeString (response, 'errorCode');
const feedback = this.id + ' ' + this.json (response);
const exceptions = this.exceptions;
if (code in exceptions) {
throw new exceptions[code] (feedback);
} else {
throw new ExchangeError (feedback);
}
}
} else {
throw new ExchangeError (this.id + ' ' + body);
}
}
}
};