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dsx.js
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'use strict';
// ---------------------------------------------------------------------------
const liqui = require ('./liqui.js');
const { ArgumentsRequired } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class dsx extends liqui {
describe () {
return this.deepExtend (super.describe (), {
'id': 'dsx',
'name': 'DSX',
'countries': [ 'UK' ],
'rateLimit': 1500,
'version': 'v2',
'has': {
'CORS': false,
'fetchOrder': true,
'fetchOrders': true,
'fetchOpenOrders': true,
'fetchClosedOrders': false,
'fetchOrderBooks': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27990275-1413158a-645a-11e7-931c-94717f7510e3.jpg',
'api': {
'public': 'https://dsx.uk/mapi', // market data
'private': 'https://dsx.uk/tapi', // trading
'dwapi': 'https://dsx.uk/dwapi', // deposit/withdraw
},
'www': 'https://dsx.uk',
'doc': [
'https://api.dsx.uk',
'https://dsx.uk/api_docs/public',
'https://dsx.uk/api_docs/private',
'',
],
},
'api': {
// market data (public)
'public': {
'get': [
'barsFromMoment/{id}/{period}/{start}', // empty reply :\
'depth/{pair}',
'info',
'lastBars/{id}/{period}/{amount}', // period is (m, h or d)
'periodBars/{id}/{period}/{start}/{end}',
'ticker/{pair}',
'trades/{pair}',
],
},
// trading (private)
'private': {
'post': [
'info/account',
'history/transactions',
'history/trades',
'history/orders',
'orders',
'order/cancel',
'order/cancel/all',
'order/status',
'order/new',
'volume',
'fees', // trading fee schedule
],
},
// deposit / withdraw (private)
'dwapi': {
'post': [
'deposit/cryptoaddress',
'withdraw/crypto',
'withdraw/fiat',
'withdraw/submit',
'withdraw/cancel',
'transaction/status', // see 'history/transactions' in private tapi above
],
},
},
'options': {
'fetchOrderMethod': 'privatePostOrderStatus',
'fetchMyTradesMethod': 'privatePostHistoryTrades',
'cancelOrderMethod': 'privatePostOrderCancel',
'fetchTickersMaxLength': 250,
},
});
}
async fetchMarkets (params = {}) {
let response = await this.publicGetInfo ();
let markets = response['pairs'];
let keys = Object.keys (markets);
let result = [];
for (let i = 0; i < keys.length; i++) {
let id = keys[i];
let market = markets[id];
let baseId = this.safeString (market, 'base_currency');
let quoteId = this.safeString (market, 'quoted_currency');
let base = this.commonCurrencyCode (baseId);
let quote = this.commonCurrencyCode (quoteId);
let symbol = base + '/' + quote;
let precision = {
'amount': this.safeInteger (market, 'decimal_places'),
'price': this.safeInteger (market, 'decimal_places'),
};
let amountLimits = {
'min': this.safeFloat (market, 'min_amount'),
'max': this.safeFloat (market, 'max_amount'),
};
let priceLimits = {
'min': this.safeFloat (market, 'min_price'),
'max': this.safeFloat (market, 'max_price'),
};
let costLimits = {
'min': this.safeFloat (market, 'min_total'),
};
let limits = {
'amount': amountLimits,
'price': priceLimits,
'cost': costLimits,
};
let hidden = this.safeInteger (market, 'hidden');
let active = (hidden === 0);
result.push ({
'id': id,
'symbol': symbol,
'base': base,
'quote': quote,
'baseId': baseId,
'quoteId': quoteId,
'active': active,
'taker': market['fee'] / 100,
'precision': precision,
'limits': limits,
'info': market,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let response = await this.privatePostInfoAccount ();
//
// {
// "success" : 1,
// "return" : {
// "funds" : {
// "BTC" : {
// "total" : 0,
// "available" : 0
// },
// "USD" : {
// "total" : 0,
// "available" : 0
// },
// "USDT" : {
// "total" : 0,
// "available" : 0
// }
// },
// "rights" : {
// "info" : 1,
// "trade" : 1
// },
// "transactionCount" : 0,
// "openOrders" : 0,
// "serverTime" : 1537451465
// }
// }
//
let balances = response['return'];
let result = { 'info': balances };
let funds = balances['funds'];
let ids = Object.keys (funds);
for (let c = 0; c < ids.length; c++) {
let id = ids[c];
let code = this.commonCurrencyCode (id);
let account = {
'free': funds[id]['available'],
'used': 0.0,
'total': funds[id]['total'],
};
account['used'] = account['total'] - account['free'];
result[code] = account;
}
return this.parseBalance (result);
}
parseTicker (ticker, market = undefined) {
//
// { high: 0.03492,
// low: 0.03245,
// avg: 29.46133,
// vol: 500.8661,
// vol_cur: 17.000797104,
// last: 0.03364,
// buy: 0.03362,
// sell: 0.03381,
// updated: 1537521993,
// pair: "ethbtc" }
//
let timestamp = ticker['updated'] * 1000;
let symbol = undefined;
// dsx has 'pair' in the ticker, liqui does not have it
let marketId = this.safeString (ticker, 'pair');
market = this.safeValue (this.markets_by_id, marketId, market);
if (market !== undefined) {
symbol = market['symbol'];
}
// dsx average is inverted, liqui average is not
let average = this.safeFloat (ticker, 'avg');
if (average !== undefined) {
if (average > 0) {
average = 1 / average;
}
}
let last = this.safeFloat (ticker, 'last');
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': this.safeFloat (ticker, 'buy'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'sell'),
'askVolume': undefined,
'vwap': undefined,
'open': undefined,
'close': last,
'last': last,
'previousClose': undefined,
'change': undefined,
'percentage': undefined,
'average': average,
'baseVolume': this.safeFloat (ticker, 'vol'), // dsx shows baseVolume in 'vol', liqui shows baseVolume in 'vol_cur'
'quoteVolume': this.safeFloat (ticker, 'vol_cur'), // dsx shows baseVolume in 'vol_cur', liqui shows baseVolume in 'vol'
'info': ticker,
};
}
signBodyWithSecret (body) {
return this.decode (this.hmac (this.encode (body), this.encode (this.secret), 'sha512', 'base64'));
}
getVersionString () {
return '';
}
getPrivatePath (path, params) {
return '/' + this.version + '/' + this.implodeParams (path, params);
}
getOrderIdKey () {
return 'orderId';
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
if (type === 'market' && price === undefined) {
throw new ArgumentsRequired (this.id + ' createOrder requires a price argument even for market orders, that is the worst price that you agree to fill your order for');
}
let request = {
'pair': market['id'],
'type': side,
'volume': this.amountToPrecision (symbol, amount),
'rate': this.priceToPrecision (symbol, price),
'orderType': type,
};
price = parseFloat (price);
amount = parseFloat (amount);
let response = await this.privatePostOrderNew (this.extend (request, params));
//
// {
// "success": 1,
// "return": {
// "received": 0,
// "remains": 10,
// "funds": {
// "BTC": {
// "total": 100,
// "available": 95
// },
// "USD": {
// "total": 10000,
// "available": 9995
// },
// "EUR": {
// "total": 1000,
// "available": 995
// },
// "LTC": {
// "total": 1000,
// "available": 995
// }
// },
// "orderId": 0, // https://github.com/ccxt/ccxt/issues/3677
// }
// }
//
let status = 'open';
let filled = 0.0;
let remaining = amount;
let responseReturn = this.safeValue (response, 'return');
let id = this.safeString2 (responseReturn, 'orderId', 'order_id');
if (id === '0') {
id = this.safeString (responseReturn, 'initOrderId', 'init_order_id');
status = 'closed';
}
filled = this.safeFloat (responseReturn, 'received', 0.0);
remaining = this.safeFloat (responseReturn, 'remains', amount);
let timestamp = this.milliseconds ();
return {
'info': response,
'id': id,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'status': status,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'cost': price * filled,
'amount': amount,
'remaining': remaining,
'filled': filled,
'fee': undefined,
// 'trades': this.parseTrades (order['trades'], market),
};
}
parseOrderStatus (status) {
const statuses = {
'0': 'open', // Active
'1': 'closed', // Filled
'2': 'canceled', // Killed
'3': 'canceling', // Killing
'7': 'canceled', // Rejected
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
//
// fetchOrder
//
// {
// "pair": "btcusd",
// "type": "buy",
// "remainingVolume": 10,
// "volume": 10,
// "rate": 1000.0,
// "timestampCreated": 1496670,
// "status": 0,
// "orderType": "limit",
// "deals": [
// {
// "pair": "btcusd",
// "type": "buy",
// "amount": 1,
// "rate": 1000.0,
// "orderId": 1,
// "timestamp": 1496672724,
// "commission": 0.001,
// "commissionCurrency": "btc"
// }
// ]
// }
//
let id = this.safeString (order, 'id');
let status = this.parseOrderStatus (this.safeString (order, 'status'));
let timestamp = this.safeInteger (order, 'timestampCreated');
if (timestamp !== undefined) {
timestamp = timestamp * 1000;
}
let marketId = this.safeString (order, 'pair');
market = this.safeValue (this.markets_by_id, marketId, market);
let symbol = undefined;
if (typeof market !== 'undefined') {
symbol = market['symbol'];
}
let remaining = this.safeFloat (order, 'remainingVolume');
let amount = this.safeFloat (order, 'volume');
let price = this.safeFloat (order, 'rate');
let filled = undefined;
let cost = undefined;
if (typeof amount !== 'undefined') {
if (typeof remaining !== 'undefined') {
filled = amount - remaining;
cost = price * filled;
}
}
let orderType = this.safeString (order, 'orderType');
let side = this.safeString (order, 'type');
let fee = undefined;
let deals = this.safeValue (order, 'deals', []);
let numDeals = deals.length;
let trades = undefined;
let lastTradeTimestamp = undefined;
if (numDeals > 0) {
trades = this.parseTrades (deals);
let feeCost = undefined;
let feeCurrency = undefined;
for (let i = 0; i < trades.length; i++) {
let trade = trades[i];
if (feeCost === undefined) {
feeCost = 0;
}
feeCost += trade['fee']['cost'];
feeCurrency = trade['fee']['currency'];
lastTradeTimestamp = trade['timestamp'];
}
if (feeCost !== undefined) {
fee = {
'cost': feeCost,
'currency': feeCurrency,
};
}
}
return {
'info': order,
'id': id,
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': lastTradeTimestamp,
'type': orderType,
'side': side,
'price': price,
'cost': cost,
'amount': amount,
'remaining': remaining,
'filled': filled,
'status': status,
'fee': fee,
'trades': trades,
};
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'orderId': parseInt (id),
};
const response = await this.privatePostOrderStatus (this.extend (request, params));
//
// {
// "success": 1,
// "return": {
// "pair": "btcusd",
// "type": "buy",
// "remainingVolume": 10,
// "volume": 10,
// "rate": 1000.0,
// "timestampCreated": 1496670,
// "status": 0,
// "orderType": "limit",
// "deals": [
// {
// "pair": "btcusd",
// "type": "buy",
// "amount": 1,
// "rate": 1000.0,
// "orderId": 1,
// "timestamp": 1496672724,
// "commission": 0.001,
// "commissionCurrency": "btc"
// }
// ]
// }
// }
//
return this.parseOrder (this.extend ({
'id': id,
}, response['return']));
}
parseOrdersById (orders, symbol = 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 = this.parseOrder (this.extend ({
'id': id.toString (),
}, orders[id]));
result.push (order);
}
return this.filterBySymbolSinceLimit (result, symbol, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
// 'count': 10, // Decimal, The maximum number of orders to return
// 'fromId': 123, // Decimal, ID of the first order of the selection
// 'endId': 321, // Decimal, ID of the last order of the selection
// 'order': 'ASC', // String, Order in which orders shown. Possible values are "ASC" — from first to last, "DESC" — from last to first.
};
const response = await this.privatePostHistoryOrders (this.extend (request, params));
//
// {
// "success": 1,
// "return": {
// "0": {
// "pair": "btcusd",
// "type": "buy",
// "remainingVolume": 10,
// "volume": 10,
// "rate": 1000.0,
// "timestampCreated": 1496670,
// "status": 0,
// "orderType": "limit"
// }
// }
// }
//
return this.parseOrdersById (this.safeValue (response, 'return', {}));
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
// 'count': 10, // Decimal, The maximum number of orders to return
// 'fromId': 123, // Decimal, ID of the first order of the selection
// 'endId': 321, // Decimal, ID of the last order of the selection
// 'order': 'ASC', // String, Order in which orders shown. Possible values are "ASC" — from first to last, "DESC" — from last to first.
};
const response = await this.privatePostHistoryOrders (this.extend (request, params));
//
// {
// "success": 1,
// "return": {
// "0": {
// "pair": "btcusd",
// "type": "buy",
// "remainingVolume": 10,
// "volume": 10,
// "rate": 1000.0,
// "timestampCreated": 1496670,
// "status": 0,
// "orderType": "limit"
// }
// }
// }
//
return this.parseOrdersById (this.safeValue (response, 'return', {}));
}
};