preidman-ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
428 lines (404 loc) • 15.2 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, AuthenticationError, DDoSProtection, InvalidOrder } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class btcalpha extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'btcalpha',
'name': 'BTC-Alpha',
'countries': [ 'US' ],
'version': 'v1',
'has': {
'fetchTicker': false,
'fetchOHLCV': true,
'fetchOrders': true,
'fetchOpenOrders': true,
'fetchClosedOrders': true,
'fetchMyTrades': true,
},
'timeframes': {
'1m': '1',
'5m': '5',
'15m': '15',
'30m': '30',
'1h': '60',
'4h': '240',
'1d': 'D',
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/42625213-dabaa5da-85cf-11e8-8f99-aa8f8f7699f0.jpg',
'api': 'https://btc-alpha.com/api',
'www': 'https://btc-alpha.com',
'doc': 'https://btc-alpha.github.io/api-docs',
'fees': 'https://btc-alpha.com/fees/',
'referral': 'https://btc-alpha.com/?r=123788',
},
'api': {
'public': {
'get': [
'currencies/',
'pairs/',
'orderbook/{pair_name}/',
'exchanges/',
'charts/{pair}/{type}/chart/',
],
},
'private': {
'get': [
'wallets/',
'orders/own/',
'order/{id}/',
'exchanges/own/',
'deposits/',
'withdraws/',
],
'post': [
'order/',
'order-cancel/',
],
},
},
'fees': {
'trading': {
'maker': 0.2 / 100,
'taker': 0.2 / 100,
},
'funding': {
'withdraw': {
'BTC': 0.00135,
'LTC': 0.0035,
'XMR': 0.018,
'ZEC': 0.002,
'ETH': 0.01,
'ETC': 0.01,
'SIB': 1.5,
'CCRB': 4,
'PZM': 0.05,
'ITI': 0.05,
'DCY': 5,
'R': 5,
'ATB': 0.05,
'BRIA': 0.05,
'KZC': 0.05,
'HWC': 1,
'SPA': 1,
'SMS': 0.001,
'REC': 0.01,
'SUP': 1,
'BQ': 100,
'GDS': 0.1,
'EVN': 300,
'TRKC': 0.01,
'UNI': 1,
'STN': 1,
'BCH': undefined,
'QBIC': 0.5,
},
},
},
});
}
async fetchMarkets (params = {}) {
let markets = await this.publicGetPairs ();
let result = [];
for (let i = 0; i < markets.length; i++) {
let market = markets[i];
let id = market['name'];
let base = this.commonCurrencyCode (market['currency1']);
let quote = this.commonCurrencyCode (market['currency2']);
let symbol = base + '/' + quote;
let precision = {
'amount': 8,
'price': parseInt (market['price_precision']),
};
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'active': true,
'precision': precision,
'limits': {
'amount': {
'min': parseFloat (market['minimum_order_size']),
'max': parseFloat (market['maximum_order_size']),
},
'price': {
'min': Math.pow (10, -precision['price']),
'max': Math.pow (10, precision['price']),
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let request = {
'pair_name': this.marketId (symbol),
};
if (limit) {
request['limit_sell'] = limit;
request['limit_buy'] = limit;
}
let reponse = await this.publicGetOrderbookPairName (this.extend (request, params));
return this.parseOrderBook (reponse, undefined, 'buy', 'sell', 'price', 'amount');
}
parseTrade (trade, market = undefined) {
let symbol = undefined;
if (!market)
market = this.safeValue (this.marketsById, trade['pair']);
if (market)
symbol = market['symbol'];
let timestamp = parseInt (trade['timestamp'] * 1000);
let price = parseFloat (trade['price']);
let amount = parseFloat (trade['amount']);
let cost = this.costToPrecision (symbol, price * amount);
let id = this.safeString (trade, 'id');
let side = undefined;
if ('my_side' in trade) {
side = this.safeString (trade, 'my_side');
} else {
side = this.safeString (trade, 'side');
}
if (!id)
id = this.safeString (trade, 'tid');
return {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'id': id,
'order': this.safeString (trade, 'o_id'),
'type': 'limit',
'side': side,
'price': price,
'amount': amount,
'cost': parseFloat (cost),
'fee': undefined,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
let request = {};
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit)
request['limit'] = limit;
let trades = await this.publicGetExchanges (this.extend (request, params));
return this.parseTrades (trades, market, since, limit);
}
parseOHLCV (ohlcv, market = undefined, timeframe = '5m', since = undefined, limit = undefined) {
return [
ohlcv['time'] * 1000,
ohlcv['open'],
ohlcv['high'],
ohlcv['low'],
ohlcv['close'],
ohlcv['volume'],
];
}
async fetchOHLCV (symbol, timeframe = '5m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let request = {
'pair': market['id'],
'type': this.timeframes[timeframe],
};
if (limit)
request['limit'] = limit;
if (since)
request['since'] = parseInt (since / 1000);
let response = await this.publicGetChartsPairTypeChart (this.extend (request, params));
return this.parseOHLCVs (response, market, timeframe, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let balances = await this.privateGetWallets (params);
let result = { 'info': balances };
for (let i = 0; i < balances.length; i++) {
let balance = balances[i];
let currency = this.commonCurrencyCode (balance['currency']);
let used = this.safeFloat (balance, 'reserve');
let total = this.safeFloat (balance, 'balance');
let free = undefined;
if (used !== undefined) {
if (total !== undefined) {
free = total - used;
}
}
result[currency] = {
'free': free,
'used': used,
'total': total,
};
}
return this.parseBalance (result);
}
parseOrderStatus (status) {
const statuses = {
'1': 'open',
'2': 'canceled',
'3': 'closed',
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
let symbol = undefined;
if (!market)
market = this.safeValue (this.marketsById, order['pair']);
if (market)
symbol = market['symbol'];
let timestamp = this.safeInteger (order, 'date');
if (timestamp !== undefined) {
timestamp *= 1000;
}
let price = parseFloat (order['price']);
let amount = this.safeFloat (order, 'amount');
let status = this.parseOrderStatus (this.safeString (order, 'status'));
let id = this.safeString (order, 'oid');
if (!id)
id = this.safeString (order, 'id');
let trades = this.safeValue (order, 'trades');
if (trades)
trades = this.parseTrades (trades, market);
const side = this.safeString2 (order, 'my_side', 'type');
return {
'id': id,
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'status': status,
'symbol': symbol,
'type': 'limit',
'side': side,
'price': price,
'cost': undefined,
'amount': amount,
'filled': undefined,
'remaining': undefined,
'trades': trades,
'fee': undefined,
'info': order,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let response = await this.privatePostOrder (this.extend ({
'pair': market['id'],
'type': side,
'amount': amount,
'price': this.priceToPrecision (symbol, price),
}, params));
if (!response['success'])
throw new InvalidOrder (this.id + ' ' + this.json (response));
return this.parseOrder (response, market);
}
async cancelOrder (id, symbol = undefined, params = {}) {
let response = await this.privatePostOrderCancel (this.extend ({
'order': id,
}, params));
return response;
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
let order = await this.privateGetOrderId (this.extend ({
'id': id,
}, params));
return this.parseOrder (order);
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let request = {};
let market = undefined;
if (symbol) {
market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit)
request['limit'] = limit;
let orders = await this.privateGetOrdersOwn (this.extend (request, params));
return this.parseOrders (orders, market, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
let orders = await this.fetchOrders (symbol, since, limit, this.extend ({
'status': '1',
}, params));
return orders;
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
let orders = await this.fetchOrders (symbol, since, limit, this.extend ({
'status': '3',
}, params));
return orders;
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let request = {};
if (symbol) {
let market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit)
request['limit'] = limit;
let trades = await this.privateGetExchangesOwn (this.extend (request, params));
return this.parseTrades (trades, undefined, since, limit);
}
nonce () {
return this.milliseconds ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let query = this.urlencode (this.keysort (this.omit (params, this.extractParams (path))));
let url = this.urls['api'] + '/';
if (path !== 'charts/{pair}/{type}/chart/') {
url += 'v1/';
}
url += this.implodeParams (path, params);
headers = { 'Accept': 'application/json' };
if (api === 'public') {
if (query.length)
url += '?' + query;
} else {
this.checkRequiredCredentials ();
let payload = this.apiKey;
if (method === 'POST') {
headers['Content-Type'] = 'application/x-www-form-urlencoded';
body = query;
payload += body;
} else if (query.length) {
url += '?' + query;
}
headers['X-KEY'] = this.apiKey;
headers['X-SIGN'] = this.hmac (this.encode (payload), this.encode (this.secret));
headers['X-NONCE'] = this.nonce ().toString ();
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (code, reason, url, method, headers, body, response) {
if (code < 400)
return;
if (typeof body !== 'string')
return; // fallback to default error handler
if (body.length < 2)
return; // fallback to default error handler
if ((body[0] === '{') || (body[0] === '[')) {
let message = this.id + ' ' + this.safeValue (response, 'detail', body);
if (code === 401 || code === 403) {
throw new AuthenticationError (message);
} else if (code === 429) {
throw new DDoSProtection (message);
}
throw new ExchangeError (message);
}
}
};