@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
399 lines (378 loc) • 14.5 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class zaif extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'zaif',
'name': 'Zaif',
'countries': 'JP',
'rateLimit': 2000,
'version': '1',
'has': {
'CORS': false,
'createMarketOrder': false,
'fetchOpenOrders': true,
'fetchClosedOrders': true,
'withdraw': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27766927-39ca2ada-5eeb-11e7-972f-1b4199518ca6.jpg',
'api': 'https://api.zaif.jp',
'www': 'https://zaif.jp',
'doc': [
'http://techbureau-api-document.readthedocs.io/ja/latest/index.html',
'https://corp.zaif.jp/api-docs',
'https://corp.zaif.jp/api-docs/api_links',
'https://www.npmjs.com/package/zaif.jp',
'https://github.com/you21979/node-zaif',
],
'fees': 'https://zaif.jp/fee?lang=en',
},
'fees': {
'trading': {
'percentage': true,
'taker': -0.0001,
'maker': -0.0005,
},
},
'api': {
'public': {
'get': [
'depth/{pair}',
'currencies/{pair}',
'currencies/all',
'currency_pairs/{pair}',
'currency_pairs/all',
'last_price/{pair}',
'ticker/{pair}',
'trades/{pair}',
],
},
'private': {
'post': [
'active_orders',
'cancel_order',
'deposit_history',
'get_id_info',
'get_info',
'get_info2',
'get_personal_info',
'trade',
'trade_history',
'withdraw',
'withdraw_history',
],
},
'ecapi': {
'post': [
'createInvoice',
'getInvoice',
'getInvoiceIdsByOrderNumber',
'cancelInvoice',
],
},
'tlapi': {
'post': [
'get_positions',
'position_history',
'active_positions',
'create_position',
'change_position',
'cancel_position',
],
},
'fapi': {
'get': [
'groups/{group_id}',
'last_price/{group_id}/{pair}',
'ticker/{group_id}/{pair}',
'trades/{group_id}/{pair}',
'depth/{group_id}/{pair}',
],
},
},
});
}
async fetchMarkets () {
let markets = await this.publicGetCurrencyPairsAll ();
let result = [];
for (let p = 0; p < markets.length; p++) {
let market = markets[p];
let id = market['currency_pair'];
let symbol = market['name'];
let [ base, quote ] = symbol.split ('/');
let precision = {
'amount': -Math.log10 (market['item_unit_step']),
'price': market['aux_unit_point'],
};
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'active': true, // can trade or not
'precision': precision,
'limits': {
'amount': {
'min': this.safeFloat (market, 'item_unit_min'),
'max': undefined,
},
'price': {
'min': this.safeFloat (market, 'aux_unit_min'),
'max': undefined,
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let response = await this.privatePostGetInfo ();
let balances = response['return'];
let result = { 'info': balances };
let currencies = Object.keys (balances['funds']);
for (let c = 0; c < currencies.length; c++) {
let currency = currencies[c];
let balance = balances['funds'][currency];
let uppercase = currency.toUpperCase ();
let account = {
'free': balance,
'used': 0.0,
'total': balance,
};
if ('deposit' in balances) {
if (currency in balances['deposit']) {
account['total'] = balances['deposit'][currency];
account['used'] = account['total'] - account['free'];
}
}
result[uppercase] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let orderbook = await this.publicGetDepthPair (this.extend ({
'pair': this.marketId (symbol),
}, params));
return this.parseOrderBook (orderbook);
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
let ticker = await this.publicGetTickerPair (this.extend ({
'pair': this.marketId (symbol),
}, params));
let timestamp = this.milliseconds ();
let vwap = ticker['vwap'];
let baseVolume = ticker['volume'];
let quoteVolume = baseVolume * vwap;
let last = ticker['last'];
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': ticker['high'],
'low': ticker['low'],
'bid': ticker['bid'],
'bidVolume': undefined,
'ask': ticker['ask'],
'askVolume': undefined,
'vwap': vwap,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
parseTrade (trade, market = undefined) {
let side = (trade['trade_type'] === 'bid') ? 'buy' : 'sell';
let timestamp = trade['date'] * 1000;
let id = this.safeString (trade, 'id');
id = this.safeString (trade, 'tid', id);
if (!market)
market = this.markets_by_id[trade['currency_pair']];
return {
'id': id.toString (),
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': side,
'price': trade['price'],
'amount': trade['amount'],
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let response = await this.publicGetTradesPair (this.extend ({
'pair': market['id'],
}, params));
return this.parseTrades (response, market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
if (type === 'market')
throw new ExchangeError (this.id + ' allows limit orders only');
let response = await this.privatePostTrade (this.extend ({
'currency_pair': this.marketId (symbol),
'action': (side === 'buy') ? 'bid' : 'ask',
'amount': amount,
'price': price,
}, params));
return {
'info': response,
'id': response['return']['order_id'].toString (),
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostCancelOrder (this.extend ({
'order_id': id,
}, params));
}
parseOrder (order, market = undefined) {
let side = (order['action'] === 'bid') ? 'buy' : 'sell';
let timestamp = parseInt (order['timestamp']) * 1000;
if (!market)
market = this.markets_by_id[order['currency_pair']];
let price = order['price'];
let amount = order['amount'];
return {
'id': order['id'].toString (),
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'status': 'open',
'symbol': market['symbol'],
'type': 'limit',
'side': side,
'price': price,
'cost': price * amount,
'amount': amount,
'filled': undefined,
'remaining': undefined,
'trades': undefined,
'fee': undefined,
};
}
parseOrders (orders, market = undefined, since = undefined, limit = undefined) {
let ids = Object.keys (orders);
let result = [];
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let order = orders[id];
let extended = this.extend (order, { 'id': id });
result.push (this.parseOrder (extended, market));
}
return this.filterBySinceLimit (result, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
let request = {
// 'is_token': false,
// 'is_token_both': false,
};
if (symbol) {
market = this.market (symbol);
request['currency_pair'] = market['id'];
}
let response = await this.privatePostActiveOrders (this.extend (request, params));
return this.parseOrders (response['return'], market, since, limit);
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
let request = {
// 'from': 0,
// 'count': 1000,
// 'from_id': 0,
// 'end_id': 1000,
// 'order': 'DESC',
// 'since': 1503821051,
// 'end': 1503821051,
// 'is_token': false,
};
if (symbol) {
market = this.market (symbol);
request['currency_pair'] = market['id'];
}
let response = await this.privatePostTradeHistory (this.extend (request, params));
return this.parseOrders (response['return'], market, since, limit);
}
async withdraw (currency, amount, address, tag = undefined, params = {}) {
this.checkAddress (address);
await this.loadMarkets ();
if (currency === 'JPY')
throw new ExchangeError (this.id + ' does not allow ' + currency + ' withdrawals');
let result = await this.privatePostWithdraw (this.extend ({
'currency': currency,
'amount': amount,
'address': address,
// 'message': 'Hi!', // XEM only
// 'opt_fee': 0.003, // BTC and MONA only
}, params));
return {
'info': result,
'id': result['return']['txid'],
'fee': result['return']['fee'],
};
}
nonce () {
let nonce = parseFloat (this.milliseconds () / 1000);
return nonce.toFixed (8);
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/';
if (api === 'public') {
url += 'api/' + this.version + '/' + this.implodeParams (path, params);
} else if (api === 'fapi') {
url += 'fapi/' + this.version + '/' + this.implodeParams (path, params);
} else {
this.checkRequiredCredentials ();
if (api === 'ecapi') {
url += 'ecapi';
} else if (api === 'tlapi') {
url += 'tlapi';
} else {
url += 'tapi';
}
let nonce = this.nonce ();
body = this.urlencode (this.extend ({
'method': path,
'nonce': nonce,
}, params));
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Key': this.apiKey,
'Sign': this.hmac (this.encode (body), this.encode (this.secret), 'sha512'),
};
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
async request (path, api = 'api', method = 'GET', params = {}, headers = undefined, body = undefined) {
let response = await this.fetch2 (path, api, method, params, headers, body);
if ('error' in response)
throw new ExchangeError (this.id + ' ' + response['error']);
if ('success' in response)
if (!response['success'])
throw new ExchangeError (this.id + ' ' + this.json (response));
return response;
}
};