consequunturatque
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
505 lines (480 loc) • 18.6 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, AuthenticationError, DDoSProtection, InvalidOrder, InsufficientFunds } = require ('./base/errors');
const Precise = require ('./base/Precise');
// ---------------------------------------------------------------------------
module.exports = class btcalpha extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'btcalpha',
'name': 'BTC-Alpha',
'countries': [ 'US' ],
'version': 'v1',
'has': {
'cancelOrder': true,
'createOrder': true,
'fetchBalance': true,
'fetchClosedOrders': true,
'fetchMarkets': true,
'fetchMyTrades': true,
'fetchOHLCV': true,
'fetchOpenOrders': true,
'fetchOrder': true,
'fetchOrderBook': true,
'fetchOrders': true,
'fetchTicker': false,
'fetchTrades': 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,
},
},
},
'commonCurrencies': {
'CBC': 'Cashbery',
},
'exceptions': {
'exact': {},
'broad': {
'Out of balance': InsufficientFunds, // {"date":1570599531.4814300537,"error":"Out of balance -9.99243661 BTC"}
},
},
});
}
async fetchMarkets (params = {}) {
const response = await this.publicGetPairs (params);
const result = [];
for (let i = 0; i < response.length; i++) {
const market = response[i];
const id = this.safeString (market, 'name');
const baseId = this.safeString (market, 'currency1');
const quoteId = this.safeString (market, 'currency2');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const symbol = base + '/' + quote;
const pricePrecision = this.safeString (market, 'price_precision');
const priceLimit = this.parsePrecision (pricePrecision);
const precision = {
'amount': 8,
'price': parseInt (pricePrecision),
};
const amountLimit = this.safeString (market, 'minimum_order_size');
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'active': true,
'precision': precision,
'limits': {
'amount': {
'min': this.parseNumber (amountLimit),
'max': this.safeNumber (market, 'maximum_order_size'),
},
'price': {
'min': this.parseNumber (priceLimit),
'max': undefined,
},
'cost': {
'min': this.parseNumber (Precise.stringMul (priceLimit, amountLimit)),
'max': undefined,
},
},
'info': market,
'baseId': undefined,
'quoteId': undefined,
});
}
return result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'pair_name': this.marketId (symbol),
};
if (limit) {
request['limit_sell'] = limit;
request['limit_buy'] = limit;
}
const response = await this.publicGetOrderbookPairName (this.extend (request, params));
return this.parseOrderBook (response, symbol, undefined, 'buy', 'sell', 'price', 'amount');
}
parseBidsAsks (bidasks, priceKey = 0, amountKey = 1) {
const result = [];
for (let i = 0; i < bidasks.length; i++) {
const bidask = bidasks[i];
if (bidask) {
result.push (this.parseBidAsk (bidask, priceKey, amountKey));
}
}
return result;
}
parseTrade (trade, market = undefined) {
let symbol = undefined;
if (market === undefined) {
market = this.safeValue (this.marketsById, trade['pair']);
}
if (market !== undefined) {
symbol = market['symbol'];
}
const timestamp = this.safeTimestamp (trade, 'timestamp');
const priceString = this.safeString (trade, 'price');
const amountString = this.safeString (trade, 'amount');
const price = this.parseNumber (priceString);
const amount = this.parseNumber (amountString);
const cost = this.parseNumber (Precise.stringMul (priceString, amountString));
const id = this.safeString2 (trade, 'id', 'tid');
const side = this.safeString2 (trade, 'my_side', 'side');
const orderId = this.safeString (trade, 'o_id');
return {
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'order': orderId,
'type': 'limit',
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': undefined,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
const request = {};
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit !== undefined) {
request['limit'] = limit;
}
const trades = await this.publicGetExchanges (this.extend (request, params));
return this.parseTrades (trades, market, since, limit);
}
parseOHLCV (ohlcv, market = undefined) {
//
// {
// "time":1591296000,
// "open":0.024746,
// "close":0.024728,
// "low":0.024728,
// "high":0.024753,
// "volume":16.624
// }
//
return [
this.safeTimestamp (ohlcv, 'time'),
this.safeNumber (ohlcv, 'open'),
this.safeNumber (ohlcv, 'high'),
this.safeNumber (ohlcv, 'low'),
this.safeNumber (ohlcv, 'close'),
this.safeNumber (ohlcv, 'volume'),
];
}
async fetchOHLCV (symbol, timeframe = '5m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'pair': market['id'],
'type': this.timeframes[timeframe],
};
if (limit !== undefined) {
request['limit'] = limit;
}
if (since !== undefined) {
request['since'] = parseInt (since / 1000);
}
const response = await this.publicGetChartsPairTypeChart (this.extend (request, params));
//
// [
// {"time":1591296000,"open":0.024746,"close":0.024728,"low":0.024728,"high":0.024753,"volume":16.624},
// {"time":1591295700,"open":0.024718,"close":0.02475,"low":0.024711,"high":0.02475,"volume":31.645},
// {"time":1591295400,"open":0.024721,"close":0.024717,"low":0.024711,"high":0.02473,"volume":65.071}
// ]
//
return this.parseOHLCVs (response, market, timeframe, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.privateGetWallets (params);
const result = { 'info': response };
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const currencyId = this.safeString (balance, 'currency');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['used'] = this.safeString (balance, 'reserve');
account['total'] = this.safeString (balance, 'balance');
result[code] = account;
}
return this.parseBalance (result, false);
}
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 === undefined) {
market = this.safeValue (this.marketsById, order['pair']);
}
if (market !== undefined) {
symbol = market['symbol'];
}
const timestamp = this.safeTimestamp (order, 'date');
const price = this.safeNumber (order, 'price');
const amount = this.safeNumber (order, 'amount');
const status = this.parseOrderStatus (this.safeString (order, 'status'));
const id = this.safeString2 (order, 'oid', 'id');
let trades = this.safeValue (order, 'trades', []);
trades = this.parseTrades (trades, market);
const side = this.safeString2 (order, 'my_side', 'type');
let filled = undefined;
const numTrades = trades.length;
if (numTrades > 0) {
filled = 0.0;
for (let i = 0; i < numTrades; i++) {
filled = this.sum (filled, trades[i]['amount']);
}
}
let remaining = undefined;
if ((amount !== undefined) && (amount > 0) && (filled !== undefined)) {
remaining = Math.max (0, amount - filled);
}
return {
'id': id,
'clientOrderId': undefined,
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'status': status,
'symbol': symbol,
'type': 'limit',
'timeInForce': undefined,
'postOnly': undefined,
'side': side,
'price': price,
'stopPrice': undefined,
'cost': undefined,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': trades,
'fee': undefined,
'info': order,
'lastTradeTimestamp': undefined,
'average': undefined,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'pair': market['id'],
'type': side,
'amount': amount,
'price': this.priceToPrecision (symbol, price),
};
const response = await this.privatePostOrder (this.extend (request, params));
if (!response['success']) {
throw new InvalidOrder (this.id + ' ' + this.json (response));
}
const order = this.parseOrder (response, market);
amount = (order['amount'] > 0) ? order['amount'] : amount;
return this.extend (order, {
'amount': amount,
});
}
async cancelOrder (id, symbol = undefined, params = {}) {
const request = {
'order': id,
};
const response = await this.privatePostOrderCancel (this.extend (request, params));
return response;
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'id': id,
};
const order = await this.privateGetOrderId (this.extend (request, params));
return this.parseOrder (order);
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit !== undefined) {
request['limit'] = limit;
}
const orders = await this.privateGetOrdersOwn (this.extend (request, params));
return this.parseOrders (orders, market, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'status': '1',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
const request = {
'status': '3',
};
return await this.fetchOrders (symbol, since, limit, this.extend (request, params));
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
if (symbol !== undefined) {
const market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit !== undefined) {
request['limit'] = limit;
}
const 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) {
const 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, requestHeaders, requestBody) {
if (response === undefined) {
return; // fallback to default error handler
}
//
// {"date":1570599531.4814300537,"error":"Out of balance -9.99243661 BTC"}
//
const error = this.safeString (response, 'error');
const feedback = this.id + ' ' + body;
if (error !== undefined) {
this.throwExactlyMatchedException (this.exceptions['exact'], error, feedback);
this.throwBroadlyMatchedException (this.exceptions['broad'], error, feedback);
}
if (code === 401 || code === 403) {
throw new AuthenticationError (feedback);
} else if (code === 429) {
throw new DDoSProtection (feedback);
}
if (code < 400) {
return;
}
throw new ExchangeError (feedback);
}
};