@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
471 lines (449 loc) • 17.6 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, InvalidOrder, AuthenticationError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class braziliex extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'braziliex',
'name': 'Braziliex',
'countries': 'BR',
'rateLimit': 1000,
'has': {
'fetchCurrencies': true,
'fetchTickers': true,
'fetchOpenOrders': true,
'fetchMyTrades': true,
'fetchDepositAddress': true,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/34703593-c4498674-f504-11e7-8d14-ff8e44fb78c1.jpg',
'api': 'https://braziliex.com/api/v1',
'www': 'https://braziliex.com/',
'doc': 'https://braziliex.com/exchange/api.php',
'fees': 'https://braziliex.com/exchange/fees.php',
},
'api': {
'public': {
'get': [
'currencies',
'ticker',
'ticker/{market}',
'orderbook/{market}',
'tradehistory/{market}',
],
},
'private': {
'post': [
'balance',
'complete_balance',
'open_orders',
'trade_history',
'deposit_address',
'sell',
'buy',
'cancel_order',
],
},
},
'fees': {
'trading': {
'maker': 0.005,
'taker': 0.005,
},
},
'precision': {
'amount': 8,
'price': 8,
},
});
}
async fetchCurrencies (params = {}) {
let currencies = await this.publicGetCurrencies (params);
let ids = Object.keys (currencies);
let result = {};
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let currency = currencies[id];
let precision = this.safeInteger (currency, 'decimal');
let uppercase = id.toUpperCase ();
let code = this.commonCurrencyCode (uppercase);
let active = this.safeInteger (currency, 'active') === 1;
let status = 'ok';
let maintenance = this.safeInteger (currency, 'under_maintenance');
if (maintenance !== 0) {
active = false;
status = 'maintenance';
}
let canWithdraw = this.safeInteger (currency, 'is_withdrawal_active') === 1;
let canDeposit = this.safeInteger (currency, 'is_deposit_active') === 1;
if (!canWithdraw || !canDeposit)
active = false;
result[code] = {
'id': id,
'code': code,
'name': currency['name'],
'active': active,
'status': status,
'precision': precision,
'funding': {
'withdraw': {
'active': canWithdraw,
'fee': currency['txWithdrawalFee'],
},
'deposit': {
'active': canDeposit,
'fee': currency['txDepositFee'],
},
},
'limits': {
'amount': {
'min': currency['minAmountTrade'],
'max': Math.pow (10, precision),
},
'price': {
'min': Math.pow (10, -precision),
'max': Math.pow (10, precision),
},
'cost': {
'min': undefined,
'max': undefined,
},
'withdraw': {
'min': currency['MinWithdrawal'],
'max': Math.pow (10, precision),
},
'deposit': {
'min': currency['minDeposit'],
'max': undefined,
},
},
'info': currency,
};
}
return result;
}
async fetchMarkets () {
let markets = await this.publicGetTicker ();
let ids = Object.keys (markets);
let result = [];
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let market = markets[id];
let [ baseId, quoteId ] = id.split ('_');
let base = baseId.toUpperCase ();
let quote = quoteId.toUpperCase ();
base = this.commonCurrencyCode (base);
quote = this.commonCurrencyCode (quote);
let symbol = base + '/' + quote;
let active = this.safeInteger (market, 'active') === 1;
let precision = {
'amount': 8,
'price': 8,
};
let lot = Math.pow (10, -precision['amount']);
result.push ({
'id': id,
'symbol': symbol.toUpperCase (),
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'active': active,
'lot': lot,
'precision': precision,
'limits': {
'amount': {
'min': lot,
'max': Math.pow (10, precision['amount']),
},
'price': {
'min': Math.pow (10, -precision['price']),
'max': Math.pow (10, precision['price']),
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
parseTicker (ticker, market = undefined) {
let symbol = market['symbol'];
let timestamp = ticker['date'];
ticker = ticker['ticker'];
let last = this.safeFloat (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'highestBid24'),
'low': this.safeFloat (ticker, 'lowestAsk24'),
'bid': this.safeFloat (ticker, 'highestBid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'lowestAsk'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': this.safeFloat (ticker, 'percentChange'),
'percentage': undefined,
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'baseVolume24'),
'quoteVolume': this.safeFloat (ticker, 'quoteVolume24'),
'info': ticker,
};
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let ticker = await this.publicGetTickerMarket (this.extend ({
'market': market['id'],
}, params));
ticker = {
'date': this.milliseconds (),
'ticker': ticker,
};
return this.parseTicker (ticker, market);
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
let tickers = await this.publicGetTicker (params);
let result = {};
let timestamp = this.milliseconds ();
let ids = Object.keys (tickers);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let market = this.markets_by_id[id];
let symbol = market['symbol'];
let ticker = {
'date': timestamp,
'ticker': tickers[id],
};
result[symbol] = this.parseTicker (ticker, market);
}
return result;
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let orderbook = await this.publicGetOrderbookMarket (this.extend ({
'market': this.marketId (symbol),
}, params));
return this.parseOrderBook (orderbook, undefined, 'bids', 'asks', 'price', 'amount');
}
parseTrade (trade, market = undefined) {
let timestamp = undefined;
if ('date_exec' in trade) {
timestamp = this.parse8601 (trade['date_exec']);
} else {
timestamp = this.parse8601 (trade['date']);
}
let price = this.safeFloat (trade, 'price');
let amount = this.safeFloat (trade, 'amount');
let symbol = market['symbol'];
let cost = this.safeFloat (trade, 'total');
let orderId = this.safeString (trade, 'order_number');
return {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'id': this.safeString (trade, '_id'),
'order': orderId,
'type': 'limit',
'side': trade['type'],
'price': price,
'amount': amount,
'cost': cost,
'fee': undefined,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let trades = await this.publicGetTradehistoryMarket (this.extend ({
'market': market['id'],
}, params));
return this.parseTrades (trades, market, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let balances = await this.privatePostCompleteBalance (params);
let result = { 'info': balances };
let currencies = Object.keys (balances);
for (let i = 0; i < currencies.length; i++) {
let id = currencies[i];
let balance = balances[id];
let currency = this.commonCurrencyCode (id);
let account = {
'free': parseFloat (balance['available']),
'used': 0.0,
'total': parseFloat (balance['total']),
};
account['used'] = account['total'] - account['free'];
result[currency] = account;
}
return this.parseBalance (result);
}
parseOrder (order, market = undefined) {
let symbol = undefined;
if (!market) {
let marketId = this.safeString (order, 'market');
if (marketId)
if (marketId in this.markets_by_id)
market = this.markets_by_id[marketId];
}
if (market)
symbol = market['symbol'];
let timestamp = this.safeValue (order, 'timestamp');
if (!timestamp)
timestamp = this.parse8601 (order['date']);
let price = this.safeFloat (order, 'price');
let cost = this.safeFloat (order, 'total', 0.0);
let amount = this.safeFloat (order, 'amount');
let filledPercentage = this.safeFloat (order, 'progress');
let filled = amount * filledPercentage;
let remaining = this.amountToPrecision (symbol, amount - filled);
let info = order;
if ('info' in info)
info = order['info'];
return {
'id': order['order_number'],
'datetime': this.iso8601 (timestamp),
'timestamp': timestamp,
'lastTradeTimestamp': undefined,
'status': 'open',
'symbol': symbol,
'type': 'limit',
'side': order['type'],
'price': price,
'cost': cost,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': undefined,
'fee': this.safeValue (order, 'fee'),
'info': info,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let method = 'privatePost' + this.capitalize (side);
let response = await this[method] (this.extend ({
'market': market['id'],
// 'price': this.priceToPrecision (symbol, price),
// 'amount': this.amountToPrecision (symbol, amount),
'price': price,
'amount': amount,
}, params));
let success = this.safeInteger (response, 'success');
if (success !== 1)
throw new InvalidOrder (this.id + ' ' + this.json (response));
let parts = response['message'].split (' / ');
parts = parts.slice (1);
let feeParts = parts[5].split (' ');
let order = this.parseOrder ({
'timestamp': this.milliseconds (),
'order_number': response['order_number'],
'type': parts[0].toLowerCase (),
'market': parts[0].toLowerCase (),
'amount': parts[2].split (' ')[1],
'price': parts[3].split (' ')[1],
'total': parts[4].split (' ')[1],
'fee': {
'cost': parseFloat (feeParts[1]),
'currency': feeParts[2],
},
'progress': '0.0',
'info': response,
}, market);
let id = order['id'];
this.orders[id] = order;
return order;
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let result = await this.privatePostCancelOrder (this.extend ({
'order_number': id,
'market': market['id'],
}, params));
return result;
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let orders = await this.privatePostOpenOrders (this.extend ({
'market': market['id'],
}, params));
return this.parseOrders (orders['order_open'], market, since, limit);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let trades = await this.privatePostTradeHistory (this.extend ({
'market': market['id'],
}, params));
return this.parseTrades (trades['trade_history'], market, since, limit);
}
async fetchDepositAddress (code, params = {}) {
await this.loadMarkets ();
let currency = this.currency (code);
let response = await this.privatePostDepositAddress (this.extend ({
'currency': currency['id'],
}, params));
let address = this.safeString (response, 'deposit_address');
this.checkAddress (address);
let tag = this.safeString (response, 'payment_id');
return {
'currency': code,
'address': address,
'tag': tag,
'status': 'ok',
'info': response,
};
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + api;
let query = this.omit (params, this.extractParams (path));
if (api === 'public') {
url += '/' + this.implodeParams (path, params);
if (Object.keys (query).length)
url += '?' + this.urlencode (query);
} else {
this.checkRequiredCredentials ();
query = this.extend ({
'command': path,
'nonce': this.nonce (),
}, query);
body = this.urlencode (query);
let signature = this.hmac (this.encode (body), this.encode (this.secret), 'sha512');
headers = {
'Content-type': 'application/x-www-form-urlencoded',
'Key': this.apiKey,
'Sign': this.decode (signature),
};
}
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 ('success' in response) {
let success = this.safeInteger (response, 'success');
if (success === 0) {
let message = this.safeString (response, 'message');
if (message === 'Invalid APIKey')
throw new AuthenticationError (message);
throw new ExchangeError (message);
}
}
return response;
}
};