@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
248 lines (234 loc) • 11.3 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, NotSupported } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coincheck extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coincheck',
'name': 'coincheck',
'countries': [ 'JP', 'ID' ],
'rateLimit': 1500,
'has': {
'CORS': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766464-3b5c3c74-5ed9-11e7-840e-31b32968e1da.jpg',
'api': 'https://coincheck.com/api',
'www': 'https://coincheck.com',
'doc': 'https://coincheck.com/documents/exchange/api',
},
'api': {
'public': {
'get': [
'exchange/orders/rate',
'order_books',
'rate/{pair}',
'ticker',
'trades',
],
},
'private': {
'get': [
'accounts',
'accounts/balance',
'accounts/leverage_balance',
'bank_accounts',
'deposit_money',
'exchange/orders/opens',
'exchange/orders/transactions',
'exchange/orders/transactions_pagination',
'exchange/leverage/positions',
'lending/borrows/matches',
'send_money',
'withdraws',
],
'post': [
'bank_accounts',
'deposit_money/{id}/fast',
'exchange/orders',
'exchange/transfers/to_leverage',
'exchange/transfers/from_leverage',
'lending/borrows',
'lending/borrows/{id}/repay',
'send_money',
'withdraws',
],
'delete': [
'bank_accounts/{id}',
'exchange/orders/{id}',
'withdraws/{id}',
],
},
},
'markets': {
'BTC/JPY': { 'id': 'btc_jpy', 'symbol': 'BTC/JPY', 'base': 'BTC', 'quote': 'JPY' }, // the only real pair
// 'ETH/JPY': { 'id': 'eth_jpy', 'symbol': 'ETH/JPY', 'base': 'ETH', 'quote': 'JPY' },
// 'ETC/JPY': { 'id': 'etc_jpy', 'symbol': 'ETC/JPY', 'base': 'ETC', 'quote': 'JPY' },
// 'DAO/JPY': { 'id': 'dao_jpy', 'symbol': 'DAO/JPY', 'base': 'DAO', 'quote': 'JPY' },
// 'LSK/JPY': { 'id': 'lsk_jpy', 'symbol': 'LSK/JPY', 'base': 'LSK', 'quote': 'JPY' },
// 'FCT/JPY': { 'id': 'fct_jpy', 'symbol': 'FCT/JPY', 'base': 'FCT', 'quote': 'JPY' },
// 'XMR/JPY': { 'id': 'xmr_jpy', 'symbol': 'XMR/JPY', 'base': 'XMR', 'quote': 'JPY' },
// 'REP/JPY': { 'id': 'rep_jpy', 'symbol': 'REP/JPY', 'base': 'REP', 'quote': 'JPY' },
// 'XRP/JPY': { 'id': 'xrp_jpy', 'symbol': 'XRP/JPY', 'base': 'XRP', 'quote': 'JPY' },
// 'ZEC/JPY': { 'id': 'zec_jpy', 'symbol': 'ZEC/JPY', 'base': 'ZEC', 'quote': 'JPY' },
// 'XEM/JPY': { 'id': 'xem_jpy', 'symbol': 'XEM/JPY', 'base': 'XEM', 'quote': 'JPY' },
// 'LTC/JPY': { 'id': 'ltc_jpy', 'symbol': 'LTC/JPY', 'base': 'LTC', 'quote': 'JPY' },
// 'DASH/JPY': { 'id': 'dash_jpy', 'symbol': 'DASH/JPY', 'base': 'DASH', 'quote': 'JPY' },
// 'ETH/BTC': { 'id': 'eth_btc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC' },
// 'ETC/BTC': { 'id': 'etc_btc', 'symbol': 'ETC/BTC', 'base': 'ETC', 'quote': 'BTC' },
// 'LSK/BTC': { 'id': 'lsk_btc', 'symbol': 'LSK/BTC', 'base': 'LSK', 'quote': 'BTC' },
// 'FCT/BTC': { 'id': 'fct_btc', 'symbol': 'FCT/BTC', 'base': 'FCT', 'quote': 'BTC' },
// 'XMR/BTC': { 'id': 'xmr_btc', 'symbol': 'XMR/BTC', 'base': 'XMR', 'quote': 'BTC' },
// 'REP/BTC': { 'id': 'rep_btc', 'symbol': 'REP/BTC', 'base': 'REP', 'quote': 'BTC' },
// 'XRP/BTC': { 'id': 'xrp_btc', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC' },
// 'ZEC/BTC': { 'id': 'zec_btc', 'symbol': 'ZEC/BTC', 'base': 'ZEC', 'quote': 'BTC' },
// 'XEM/BTC': { 'id': 'xem_btc', 'symbol': 'XEM/BTC', 'base': 'XEM', 'quote': 'BTC' },
// 'LTC/BTC': { 'id': 'ltc_btc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC' },
// 'DASH/BTC': { 'id': 'dash_btc', 'symbol': 'DASH/BTC', 'base': 'DASH', 'quote': 'BTC' },
},
});
}
async fetchBalance (params = {}) {
let balances = await this.privateGetAccountsBalance ();
let result = { 'info': balances };
let currencies = Object.keys (this.currencies);
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let lowercase = currency.toLowerCase ();
let account = this.account ();
if (lowercase in balances)
account['free'] = parseFloat (balances[lowercase]);
let reserved = lowercase + '_reserved';
if (reserved in balances)
account['used'] = parseFloat (balances[reserved]);
account['total'] = this.sum (account['free'], account['used']);
result[currency] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
if (symbol !== 'BTC/JPY')
throw new NotSupported (this.id + ' fetchOrderBook () supports BTC/JPY only');
let orderbook = await this.publicGetOrderBooks (params);
return this.parseOrderBook (orderbook);
}
async fetchTicker (symbol, params = {}) {
if (symbol !== 'BTC/JPY')
throw new NotSupported (this.id + ' fetchTicker () supports BTC/JPY only');
let ticker = await this.publicGetTicker (params);
let timestamp = ticker['timestamp'] * 1000;
let 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, 'bid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'ask'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'volume'),
'quoteVolume': undefined,
'info': ticker,
};
}
parseTrade (trade, market) {
let timestamp = this.parse8601 (trade['created_at']);
return {
'id': trade['id'].toString (),
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': trade['order_type'],
'price': this.safeFloat (trade, 'rate'),
'amount': this.safeFloat (trade, 'amount'),
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
if (symbol !== 'BTC/JPY')
throw new NotSupported (this.id + ' fetchTrades () supports BTC/JPY only');
let market = this.market (symbol);
let response = await this.publicGetTrades (this.extend ({
'pair': market['id'],
}, params));
if ('success' in response)
if (response['success'])
if (typeof response['data'] !== 'undefined')
return this.parseTrades (response['data'], market, since, limit);
throw new ExchangeError (this.id + ' ' + this.json (response));
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
let order = {
'pair': this.marketId (symbol),
};
if (type === 'market') {
let order_type = type + '_' + side;
order['order_type'] = order_type;
let prefix = (side === 'buy') ? (order_type + '_') : '';
order[prefix + 'amount'] = amount;
} else {
order['order_type'] = side;
order['rate'] = price;
order['amount'] = amount;
}
let response = await this.privatePostExchangeOrders (this.extend (order, params));
return {
'info': response,
'id': response['id'].toString (),
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privateDeleteExchangeOrdersId ({ 'id': id });
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + this.implodeParams (path, params);
let query = this.omit (params, this.extractParams (path));
if (api === 'public') {
if (Object.keys (query).length)
url += '?' + this.urlencode (query);
} else {
this.checkRequiredCredentials ();
let nonce = this.nonce ().toString ();
let queryString = '';
if (method === 'GET') {
if (Object.keys (query).length)
url += '?' + this.urlencode (this.keysort (query));
} else {
if (Object.keys (query).length) {
body = this.urlencode (this.keysort (query));
queryString = body;
}
}
let auth = nonce + url + queryString;
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'ACCESS-KEY': this.apiKey,
'ACCESS-NONCE': nonce,
'ACCESS-SIGNATURE': this.hmac (this.encode (auth), this.encode (this.secret)),
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let response = await this.fetch2 (path, api, method, params, headers, body);
if (api === 'public')
return response;
if ('success' in response)
if (response['success'])
return response;
throw new ExchangeError (this.id + ' ' + this.json (response));
}
};