434 lines
19 KiB
JavaScript
434 lines
19 KiB
JavaScript
'use strict';
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
const Exchange = require ('./base/Exchange');
|
|
const { BadSymbol, ExchangeError } = 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,
|
|
'fetchOpenOrders': true,
|
|
'fetchMyTrades': true,
|
|
},
|
|
'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',
|
|
'fees': [
|
|
'https://coincheck.com/exchange/fee',
|
|
'https://coincheck.com/info/fee',
|
|
],
|
|
},
|
|
'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', 'baseId': 'btc', 'quoteId': 'jpy' }, // the only real pair
|
|
// 'ETH/JPY': { 'id': 'eth_jpy', 'symbol': 'ETH/JPY', 'base': 'ETH', 'quote': 'JPY', 'baseId': 'eth', 'quoteId': 'jpy' },
|
|
// 'ETC/JPY': { 'id': 'etc_jpy', 'symbol': 'ETC/JPY', 'base': 'ETC', 'quote': 'JPY', 'baseId': 'etc', 'quoteId': 'jpy' },
|
|
// 'DAO/JPY': { 'id': 'dao_jpy', 'symbol': 'DAO/JPY', 'base': 'DAO', 'quote': 'JPY', 'baseId': 'dao', 'quoteId': 'jpy' },
|
|
// 'LSK/JPY': { 'id': 'lsk_jpy', 'symbol': 'LSK/JPY', 'base': 'LSK', 'quote': 'JPY', 'baseId': 'lsk', 'quoteId': 'jpy' },
|
|
// 'FCT/JPY': { 'id': 'fct_jpy', 'symbol': 'FCT/JPY', 'base': 'FCT', 'quote': 'JPY', 'baseId': 'fct', 'quoteId': 'jpy' },
|
|
// 'XMR/JPY': { 'id': 'xmr_jpy', 'symbol': 'XMR/JPY', 'base': 'XMR', 'quote': 'JPY', 'baseId': 'xmr', 'quoteId': 'jpy' },
|
|
// 'REP/JPY': { 'id': 'rep_jpy', 'symbol': 'REP/JPY', 'base': 'REP', 'quote': 'JPY', 'baseId': 'rep', 'quoteId': 'jpy' },
|
|
// 'XRP/JPY': { 'id': 'xrp_jpy', 'symbol': 'XRP/JPY', 'base': 'XRP', 'quote': 'JPY', 'baseId': 'xrp', 'quoteId': 'jpy' },
|
|
// 'ZEC/JPY': { 'id': 'zec_jpy', 'symbol': 'ZEC/JPY', 'base': 'ZEC', 'quote': 'JPY', 'baseId': 'zec', 'quoteId': 'jpy' },
|
|
// 'XEM/JPY': { 'id': 'xem_jpy', 'symbol': 'XEM/JPY', 'base': 'XEM', 'quote': 'JPY', 'baseId': 'xem', 'quoteId': 'jpy' },
|
|
// 'LTC/JPY': { 'id': 'ltc_jpy', 'symbol': 'LTC/JPY', 'base': 'LTC', 'quote': 'JPY', 'baseId': 'ltc', 'quoteId': 'jpy' },
|
|
// 'DASH/JPY': { 'id': 'dash_jpy', 'symbol': 'DASH/JPY', 'base': 'DASH', 'quote': 'JPY', 'baseId': 'dash', 'quoteId': 'jpy' },
|
|
// 'ETH/BTC': { 'id': 'eth_btc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC', 'baseId': 'eth', 'quoteId': 'btc' },
|
|
// 'ETC/BTC': { 'id': 'etc_btc', 'symbol': 'ETC/BTC', 'base': 'ETC', 'quote': 'BTC', 'baseId': 'etc', 'quoteId': 'btc' },
|
|
// 'LSK/BTC': { 'id': 'lsk_btc', 'symbol': 'LSK/BTC', 'base': 'LSK', 'quote': 'BTC', 'baseId': 'lsk', 'quoteId': 'btc' },
|
|
// 'FCT/BTC': { 'id': 'fct_btc', 'symbol': 'FCT/BTC', 'base': 'FCT', 'quote': 'BTC', 'baseId': 'fct', 'quoteId': 'btc' },
|
|
// 'XMR/BTC': { 'id': 'xmr_btc', 'symbol': 'XMR/BTC', 'base': 'XMR', 'quote': 'BTC', 'baseId': 'xmr', 'quoteId': 'btc' },
|
|
// 'REP/BTC': { 'id': 'rep_btc', 'symbol': 'REP/BTC', 'base': 'REP', 'quote': 'BTC', 'baseId': 'rep', 'quoteId': 'btc' },
|
|
// 'XRP/BTC': { 'id': 'xrp_btc', 'symbol': 'XRP/BTC', 'base': 'XRP', 'quote': 'BTC', 'baseId': 'xrp', 'quoteId': 'btc' },
|
|
// 'ZEC/BTC': { 'id': 'zec_btc', 'symbol': 'ZEC/BTC', 'base': 'ZEC', 'quote': 'BTC', 'baseId': 'zec', 'quoteId': 'btc' },
|
|
// 'XEM/BTC': { 'id': 'xem_btc', 'symbol': 'XEM/BTC', 'base': 'XEM', 'quote': 'BTC', 'baseId': 'xem', 'quoteId': 'btc' },
|
|
// 'LTC/BTC': { 'id': 'ltc_btc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC', 'baseId': 'ltc', 'quoteId': 'btc' },
|
|
// 'DASH/BTC': { 'id': 'dash_btc', 'symbol': 'DASH/BTC', 'base': 'DASH', 'quote': 'BTC', 'baseId': 'dash', 'quoteId': 'btc' },
|
|
},
|
|
'fees': {
|
|
'trading': {
|
|
'tierBased': false,
|
|
'percentage': true,
|
|
'maker': 0,
|
|
'taker': 0,
|
|
},
|
|
},
|
|
});
|
|
}
|
|
|
|
async fetchBalance (params = {}) {
|
|
await this.loadMarkets ();
|
|
const balances = await this.privateGetAccountsBalance (params);
|
|
const result = { 'info': balances };
|
|
const codes = Object.keys (this.currencies);
|
|
for (let i = 0; i < codes.length; i++) {
|
|
const code = codes[i];
|
|
const currencyId = this.currencyId (code);
|
|
if (currencyId in balances) {
|
|
const account = this.account ();
|
|
const reserved = currencyId + '_reserved';
|
|
account['free'] = this.safeFloat (balances, currencyId);
|
|
account['used'] = this.safeFloat (balances, reserved);
|
|
result[code] = account;
|
|
}
|
|
}
|
|
return this.parseBalance (result);
|
|
}
|
|
|
|
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
// Only BTC/JPY is meaningful
|
|
let market = undefined;
|
|
if (symbol !== undefined) {
|
|
market = this.market (symbol);
|
|
}
|
|
const response = await this.privateGetExchangeOrdersOpens (params);
|
|
const rawOrders = this.safeValue (response, 'orders', []);
|
|
const parsedOrders = this.parseOrders (rawOrders, market, since, limit);
|
|
const result = [];
|
|
for (let i = 0; i < parsedOrders.length; i++) {
|
|
result.push (this.extend (parsedOrders[i], { 'status': 'open' }));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
parseOrder (order, market = undefined) {
|
|
//
|
|
// fetchOpenOrders
|
|
//
|
|
// { id: 202835,
|
|
// order_type: "buy",
|
|
// rate: 26890,
|
|
// pair: "btc_jpy",
|
|
// pending_amount: "0.5527",
|
|
// pending_market_buy_amount: null,
|
|
// stop_loss_rate: null,
|
|
// created_at: "2015-01-10T05:55:38.000Z" }
|
|
//
|
|
// todo: add formats for fetchOrder, fetchClosedOrders here
|
|
//
|
|
const id = this.safeString (order, 'id');
|
|
const side = this.safeString (order, 'order_type');
|
|
const timestamp = this.parse8601 (this.safeString (order, 'created_at'));
|
|
const amount = this.safeFloat (order, 'pending_amount');
|
|
const remaining = this.safeFloat (order, 'pending_amount');
|
|
const price = this.safeFloat (order, 'rate');
|
|
let filled = undefined;
|
|
let cost = undefined;
|
|
if (remaining !== undefined) {
|
|
if (amount !== undefined) {
|
|
filled = Math.max (amount - remaining, 0);
|
|
if (price !== undefined) {
|
|
cost = filled * price;
|
|
}
|
|
}
|
|
}
|
|
const status = undefined;
|
|
const marketId = this.safeString (order, 'pair');
|
|
let symbol = undefined;
|
|
if (marketId !== undefined) {
|
|
if (marketId in this.markets_by_id) {
|
|
market = this.markets_by_id[marketId];
|
|
symbol = market['symbol'];
|
|
} else {
|
|
const [ baseId, quoteId ] = marketId.split ('_');
|
|
const base = this.safeCurrencyCode (baseId);
|
|
const quote = this.safeCurrencyCode (quoteId);
|
|
symbol = base + '/' + quote;
|
|
}
|
|
}
|
|
return {
|
|
'id': id,
|
|
'clientOrderId': undefined,
|
|
'timestamp': timestamp,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'lastTradeTimestamp': undefined,
|
|
'amount': amount,
|
|
'remaining': remaining,
|
|
'filled': filled,
|
|
'side': side,
|
|
'type': undefined,
|
|
'status': status,
|
|
'symbol': symbol,
|
|
'price': price,
|
|
'cost': cost,
|
|
'fee': undefined,
|
|
'info': order,
|
|
'average': undefined,
|
|
'trades': undefined,
|
|
};
|
|
}
|
|
|
|
async fetchOrderBook (symbol, limit = undefined, params = {}) {
|
|
if (symbol !== 'BTC/JPY') {
|
|
throw new BadSymbol (this.id + ' fetchOrderBook () supports BTC/JPY only');
|
|
}
|
|
await this.loadMarkets ();
|
|
const response = await this.publicGetOrderBooks (params);
|
|
return this.parseOrderBook (response);
|
|
}
|
|
|
|
async fetchTicker (symbol, params = {}) {
|
|
if (symbol !== 'BTC/JPY') {
|
|
throw new BadSymbol (this.id + ' fetchTicker () supports BTC/JPY only');
|
|
}
|
|
await this.loadMarkets ();
|
|
const ticker = await this.publicGetTicker (params);
|
|
const timestamp = this.safeTimestamp (ticker, 'timestamp');
|
|
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, '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 = undefined) {
|
|
const timestamp = this.parse8601 (this.safeString (trade, 'created_at'));
|
|
const id = this.safeString (trade, 'id');
|
|
const price = this.safeFloat (trade, 'rate');
|
|
const marketId = this.safeString (trade, 'pair');
|
|
market = this.safeValue (this.markets_by_id, marketId, market);
|
|
let symbol = undefined;
|
|
let baseId = undefined;
|
|
let quoteId = undefined;
|
|
if (marketId !== undefined) {
|
|
if (marketId in this.markets_by_id) {
|
|
market = this.markets_by_id[marketId];
|
|
baseId = market['baseId'];
|
|
quoteId = market['quoteId'];
|
|
symbol = market['symbol'];
|
|
} else {
|
|
const ids = marketId.split ('_');
|
|
baseId = ids[0];
|
|
quoteId = ids[1];
|
|
const base = this.safeCurrencyCode (baseId);
|
|
const quote = this.safeCurrencyCode (quoteId);
|
|
symbol = base + '/' + quote;
|
|
}
|
|
}
|
|
if (symbol === undefined) {
|
|
if (market !== undefined) {
|
|
symbol = market['symbol'];
|
|
}
|
|
}
|
|
let takerOrMaker = undefined;
|
|
let amount = undefined;
|
|
let cost = undefined;
|
|
let side = undefined;
|
|
let fee = undefined;
|
|
let orderId = undefined;
|
|
if ('liquidity' in trade) {
|
|
if (this.safeString (trade, 'liquidity') === 'T') {
|
|
takerOrMaker = 'taker';
|
|
} else if (this.safeString (trade, 'liquidity') === 'M') {
|
|
takerOrMaker = 'maker';
|
|
}
|
|
const funds = this.safeValue (trade, 'funds', {});
|
|
amount = this.safeFloat (funds, baseId);
|
|
cost = this.safeFloat (funds, quoteId);
|
|
fee = {
|
|
'currency': this.safeString (trade, 'fee_currency'),
|
|
'cost': this.safeFloat (trade, 'fee'),
|
|
};
|
|
side = this.safeString (trade, 'side');
|
|
orderId = this.safeString (trade, 'order_id');
|
|
} else {
|
|
amount = this.safeFloat (trade, 'amount');
|
|
side = this.safeString (trade, 'order_type');
|
|
}
|
|
if (cost === undefined) {
|
|
if (amount !== undefined) {
|
|
if (price !== undefined) {
|
|
cost = amount * price;
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
'id': id,
|
|
'info': trade,
|
|
'datetime': this.iso8601 (timestamp),
|
|
'timestamp': timestamp,
|
|
'symbol': symbol,
|
|
'type': undefined,
|
|
'side': side,
|
|
'order': orderId,
|
|
'takerOrMaker': takerOrMaker,
|
|
'price': price,
|
|
'amount': amount,
|
|
'cost': cost,
|
|
'fee': fee,
|
|
};
|
|
}
|
|
|
|
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const response = await this.privateGetExchangeOrdersTransactions (this.extend ({}, params));
|
|
const transactions = this.safeValue (response, 'transactions', []);
|
|
return this.parseTrades (transactions, market, since, limit);
|
|
}
|
|
|
|
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
|
|
if (symbol !== 'BTC/JPY') {
|
|
throw new BadSymbol (this.id + ' fetchTrades () supports BTC/JPY only');
|
|
}
|
|
await this.loadMarkets ();
|
|
const market = this.market (symbol);
|
|
const request = {
|
|
'pair': market['id'],
|
|
};
|
|
if (limit !== undefined) {
|
|
request['limit'] = limit;
|
|
}
|
|
const response = await this.publicGetTrades (this.extend (request, params));
|
|
const data = this.safeValue (response, 'data', []);
|
|
return this.parseTrades (data, market, since, limit);
|
|
}
|
|
|
|
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
|
|
await this.loadMarkets ();
|
|
const request = {
|
|
'pair': this.marketId (symbol),
|
|
};
|
|
if (type === 'market') {
|
|
const order_type = type + '_' + side;
|
|
request['order_type'] = order_type;
|
|
const prefix = (side === 'buy') ? (order_type + '_') : '';
|
|
request[prefix + 'amount'] = amount;
|
|
} else {
|
|
request['order_type'] = side;
|
|
request['rate'] = price;
|
|
request['amount'] = amount;
|
|
}
|
|
const response = await this.privatePostExchangeOrders (this.extend (request, params));
|
|
const id = this.safeString (response, 'id');
|
|
return {
|
|
'info': response,
|
|
'id': id,
|
|
};
|
|
}
|
|
|
|
async cancelOrder (id, symbol = undefined, params = {}) {
|
|
const request = {
|
|
'id': id,
|
|
};
|
|
return await this.privateDeleteExchangeOrdersId (this.extend (request, params));
|
|
}
|
|
|
|
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
|
|
let url = this.urls['api'] + '/' + this.implodeParams (path, params);
|
|
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 ().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;
|
|
}
|
|
}
|
|
const 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) {
|
|
const 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));
|
|
}
|
|
};
|