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mixcoins.js
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'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class mixcoins extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'mixcoins',
'name': 'MixCoins',
'countries': [ 'GB', 'HK' ],
'rateLimit': 1500,
'version': 'v1',
'has': {
'CORS': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/30237212-ed29303c-9535-11e7-8af8-fcd381cfa20c.jpg',
'api': 'https://mixcoins.com/api',
'www': 'https://mixcoins.com',
'doc': 'https://mixcoins.com/help/api/',
},
'api': {
'public': {
'get': [
'ticker',
'trades',
'depth',
],
},
'private': {
'post': [
'cancel',
'info',
'orders',
'order',
'transactions',
'trade',
],
},
},
'markets': {
'BTC/USD': { 'id': 'btc_usd', 'symbol': 'BTC/USD', 'base': 'BTC', 'quote': 'USD', 'maker': 0.0015, 'taker': 0.0025 },
'ETH/BTC': { 'id': 'eth_btc', 'symbol': 'ETH/BTC', 'base': 'ETH', 'quote': 'BTC', 'maker': 0.001, 'taker': 0.0015 },
'BCH/BTC': { 'id': 'bch_btc', 'symbol': 'BCH/BTC', 'base': 'BCH', 'quote': 'BTC', 'maker': 0.001, 'taker': 0.0015 },
'LSK/BTC': { 'id': 'lsk_btc', 'symbol': 'LSK/BTC', 'base': 'LSK', 'quote': 'BTC', 'maker': 0.0015, 'taker': 0.0025 },
'BCH/USD': { 'id': 'bch_usd', 'symbol': 'BCH/USD', 'base': 'BCH', 'quote': 'USD', 'maker': 0.001, 'taker': 0.0015 },
'ETH/USD': { 'id': 'eth_usd', 'symbol': 'ETH/USD', 'base': 'ETH', 'quote': 'USD', 'maker': 0.001, 'taker': 0.0015 },
},
});
}
async fetchBalance (params = {}) {
let response = await this.privatePostInfo ();
let balance = response['result']['wallet'];
let result = { 'info': balance };
let currencies = Object.keys (this.currencies);
for (let i = 0; i < currencies.length; i++) {
let currency = currencies[i];
let lowercase = currency.toLowerCase ();
let account = this.account ();
if (lowercase in balance) {
account['free'] = parseFloat (balance[lowercase]['avail']);
account['used'] = parseFloat (balance[lowercase]['lock']);
account['total'] = this.sum (account['free'], account['used']);
}
result[currency] = account;
}
return this.parseBalance (result);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
let response = await this.publicGetDepth (this.extend ({
'market': this.marketId (symbol),
}, params));
return this.parseOrderBook (response['result']);
}
async fetchTicker (symbol, params = {}) {
let response = await this.publicGetTicker (this.extend ({
'market': this.marketId (symbol),
}, params));
let ticker = response['result'];
let timestamp = this.milliseconds ();
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': parseFloat (ticker['high']),
'low': parseFloat (ticker['low']),
'bid': parseFloat (ticker['buy']),
'ask': parseFloat (ticker['sell']),
'vwap': undefined,
'open': undefined,
'close': undefined,
'first': undefined,
'last': parseFloat (ticker['last']),
'change': undefined,
'percentage': undefined,
'average': undefined,
'baseVolume': parseFloat (ticker['vol']),
'quoteVolume': undefined,
'info': ticker,
};
}
parseTrade (trade, market) {
let timestamp = parseInt (trade['date']) * 1000;
return {
'id': trade['id'].toString (),
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': undefined,
'price': parseFloat (trade['price']),
'amount': parseFloat (trade['amount']),
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
let market = this.market (symbol);
let response = await this.publicGetTrades (this.extend ({
'market': market['id'],
}, params));
return this.parseTrades (response['result'], market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
let order = {
'market': this.marketId (symbol),
'op': side,
'amount': amount,
};
if (type === 'market') {
order['order_type'] = 1;
order['price'] = price;
} else {
order['order_type'] = 0;
}
let response = await this.privatePostTrade (this.extend (order, params));
return {
'info': response,
'id': response['result']['id'].toString (),
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
return await this.privatePostCancel ({ 'id': id });
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'] + '/' + this.version + '/' + path;
if (api === 'public') {
if (Object.keys (params).length)
url += '?' + this.urlencode (params);
} else {
this.checkRequiredCredentials ();
let nonce = this.nonce ();
body = this.urlencode (this.extend ({
'nonce': nonce,
}, params));
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Key': this.apiKey,
'Sign': this.hmac (this.encode (body), this.secret, 'sha512'),
};
}
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 ('status' in response)
if (response['status'] === 200)
return response;
throw new ExchangeError (this.id + ' ' + this.json (response));
}
};