369 lines
13 KiB
JavaScript
369 lines
13 KiB
JavaScript
'use strict';
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// ---------------------------------------------------------------------------
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const Exchange = require ('./base/Exchange');
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// ---------------------------------------------------------------------------
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module.exports = class btcchina extends Exchange {
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describe () {
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return this.deepExtend (super.describe (), {
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'id': 'btcchina',
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'name': 'BTCChina',
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'countries': [ 'CN' ],
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'rateLimit': 1500,
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'version': 'v1',
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'has': {
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'CORS': true,
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},
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'urls': {
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'logo': 'https://user-images.githubusercontent.com/1294454/27766368-465b3286-5ed6-11e7-9a11-0f6467e1d82b.jpg',
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'api': {
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'plus': 'https://plus-api.btcchina.com/market',
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'public': 'https://data.btcchina.com/data',
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'private': 'https://api.btcchina.com/api_trade_v1.php',
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},
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'www': 'https://www.btcchina.com',
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'doc': 'https://www.btcchina.com/apidocs',
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},
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'api': {
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'plus': {
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'get': [
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'orderbook',
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'ticker',
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'trade',
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],
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},
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'public': {
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'get': [
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'historydata',
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'orderbook',
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'ticker',
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'trades',
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],
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},
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'private': {
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'post': [
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'BuyIcebergOrder',
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'BuyOrder',
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'BuyOrder2',
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'BuyStopOrder',
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'CancelIcebergOrder',
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'CancelOrder',
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'CancelStopOrder',
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'GetAccountInfo',
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'getArchivedOrder',
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'getArchivedOrders',
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'GetDeposits',
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'GetIcebergOrder',
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'GetIcebergOrders',
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'GetMarketDepth',
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'GetMarketDepth2',
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'GetOrder',
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'GetOrders',
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'GetStopOrder',
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'GetStopOrders',
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'GetTransactions',
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'GetWithdrawal',
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'GetWithdrawals',
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'RequestWithdrawal',
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'SellIcebergOrder',
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'SellOrder',
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'SellOrder2',
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'SellStopOrder',
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],
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},
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},
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'markets': {
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'BTC/CNY': { 'id': 'btccny', 'symbol': 'BTC/CNY', 'base': 'BTC', 'quote': 'CNY', 'api': 'public', 'plus': false },
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'LTC/CNY': { 'id': 'ltccny', 'symbol': 'LTC/CNY', 'base': 'LTC', 'quote': 'CNY', 'api': 'public', 'plus': false },
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'LTC/BTC': { 'id': 'ltcbtc', 'symbol': 'LTC/BTC', 'base': 'LTC', 'quote': 'BTC', 'api': 'public', 'plus': false },
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'BCH/CNY': { 'id': 'bcccny', 'symbol': 'BCH/CNY', 'base': 'BCH', 'quote': 'CNY', 'api': 'plus', 'plus': true },
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'ETH/CNY': { 'id': 'ethcny', 'symbol': 'ETH/CNY', 'base': 'ETH', 'quote': 'CNY', 'api': 'plus', 'plus': true },
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},
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});
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}
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async fetchMarkets (params = {}) {
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const request = {
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'market': 'all',
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};
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const markets = await this.publicGetTicker (this.extend (request, params));
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const result = [];
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const keys = Object.keys (markets);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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const market = markets[key];
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const parts = key.split ('_');
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const id = parts[1];
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const baseId = id.slice (0, 3);
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const quoteId = id.slice (3, 6);
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let base = baseId.toUpperCase ();
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let quote = quoteId.toUpperCase ();
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base = this.safeCurrencyCode (base);
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quote = this.safeCurrencyCode (quote);
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const symbol = base + '/' + quote;
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result.push ({
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'id': id,
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'symbol': symbol,
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'base': base,
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'quote': quote,
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'baseId': baseId,
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'quoteId': quoteId,
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'info': market,
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});
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}
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return result;
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}
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async fetchBalance (params = {}) {
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await this.loadMarkets ();
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const response = await this.privatePostGetAccountInfo (params);
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const balances = this.safeValue (response, 'result');
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const result = { 'info': balances };
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const codes = Object.keys (this.currencies);
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for (let i = 0; i < codes.length; i++) {
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const code = codes[i];
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const currency = this.currency (code);
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const account = this.account ();
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const currencyId = currency['id'];
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if (currencyId in balances['balance']) {
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account['total'] = parseFloat (balances['balance'][currencyId]['amount']);
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}
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if (currencyId in balances['frozen']) {
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account['used'] = parseFloat (balances['frozen'][currencyId]['amount']);
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}
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result[code] = account;
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}
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return this.parseBalance (result);
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}
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createMarketRequest (market) {
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const request = {};
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const field = (market['plus']) ? 'symbol' : 'market';
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request[field] = market['id'];
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return request;
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}
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async fetchOrderBook (symbol, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const method = market['api'] + 'GetOrderbook';
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const request = this.createMarketRequest (market);
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const response = await this[method] (this.extend (request, params));
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const timestamp = this.safeTimestamp (response, 'date');
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return this.parseOrderBook (response, timestamp);
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}
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parseTicker (ticker, market) {
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const timestamp = this.safeTimestamp (ticker, 'date');
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const last = this.safeFloat (ticker, 'last');
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return {
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'high': this.safeFloat (ticker, 'high'),
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'low': this.safeFloat (ticker, 'low'),
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'bid': this.safeFloat (ticker, 'buy'),
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'ask': this.safeFloat (ticker, 'sell'),
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'vwap': this.safeFloat (ticker, 'vwap'),
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'open': this.safeFloat (ticker, 'open'),
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'close': last,
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'last': last,
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'previousClose': undefined,
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'change': undefined,
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'percentage': undefined,
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'average': undefined,
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'baseVolume': this.safeFloat (ticker, 'vol'),
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'quoteVolume': undefined,
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'info': ticker,
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};
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}
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parseTickerPlus (ticker, market) {
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const timestamp = this.safeInteger (ticker, 'Timestamp');
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let symbol = undefined;
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if (market !== undefined) {
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symbol = market['symbol'];
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}
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return {
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'symbol': symbol,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'high': this.safeFloat (ticker, 'High'),
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'low': this.safeFloat (ticker, 'Low'),
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'bid': this.safeFloat (ticker, 'BidPrice'),
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'ask': this.safeFloat (ticker, 'AskPrice'),
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'vwap': undefined,
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'open': this.safeFloat (ticker, 'Open'),
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'last': this.safeFloat (ticker, 'Last'),
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'change': undefined,
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'percentage': undefined,
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'average': undefined,
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'baseVolume': this.safeFloat (ticker, 'Volume24H'),
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'quoteVolume': undefined,
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'info': ticker,
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};
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}
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async fetchTicker (symbol, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const method = market['api'] + 'GetTicker';
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const request = this.createMarketRequest (market);
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const response = await this[method] (this.extend (request, params));
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const ticker = this.safeValue (response, 'ticker');
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if (market['plus']) {
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return this.parseTickerPlus (ticker, market);
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}
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return this.parseTicker (ticker, market);
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}
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parseTrade (trade, market) {
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const timestamp = this.safeTimestamp (trade, 'date');
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const price = this.safeFloat (trade, 'price');
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const amount = this.safeFloat (trade, 'amount');
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let cost = undefined;
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if (amount !== undefined) {
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if (price !== undefined) {
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cost = amount * price;
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}
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}
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const id = this.safeString (trade, 'tid');
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return {
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'id': id,
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'info': trade,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'symbol': market['symbol'],
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'type': undefined,
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'side': undefined,
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'price': price,
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'amount': amount,
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'cost': cost,
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};
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}
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parseTradePlus (trade, market) {
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const timestamp = this.parse8601 (this.safeString (trade, 'timestamp'));
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const price = this.safeFloat (trade, 'price');
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const amount = this.safeFloat (trade, 'size');
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let cost = undefined;
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if (amount !== undefined) {
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if (price !== undefined) {
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cost = amount * price;
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}
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}
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const side = this.safeStringLower (trade, 'side');
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return {
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'id': undefined,
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'info': trade,
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'timestamp': timestamp,
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'datetime': this.iso8601 (timestamp),
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'symbol': market['symbol'],
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'type': undefined,
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'side': side,
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'price': price,
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'amount': amount,
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'cost': cost,
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};
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}
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parseTradesPlus (trades, market = undefined) {
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const result = [];
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for (let i = 0; i < trades.length; i++) {
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result.push (this.parseTradePlus (trades[i], market));
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}
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return result;
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}
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async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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let method = market['api'] + 'GetTrade';
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const request = this.createMarketRequest (market);
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if (market['plus']) {
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const now = this.milliseconds ();
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request['start_time'] = now - 86400000;
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request['end_time'] = now;
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} else {
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method += 's'; // trades vs trade
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}
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const response = await this[method] (this.extend (request, params));
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if (market['plus']) {
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return this.parseTradesPlus (response['trades'], market);
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}
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return this.parseTrades (response, market, since, limit);
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}
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async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
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await this.loadMarkets ();
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const market = this.market (symbol);
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const method = 'privatePost' + this.capitalize (side) + 'Order2';
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const request = {};
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const id = market['id'].toUpperCase ();
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if (type === 'market') {
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request['params'] = [ undefined, amount, id ];
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} else {
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request['params'] = [ price, amount, id ];
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}
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const response = await this[method] (this.extend (request, params));
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const orderId = this.safeString (response, 'id');
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return {
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'info': response,
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'id': orderId,
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};
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}
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async cancelOrder (id, symbol = undefined, params = {}) {
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await this.loadMarkets ();
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const market = params['market']; // TODO fixme
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const request = {
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'params': [ id, market ],
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};
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return await this.privatePostCancelOrder (this.extend (request, params));
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}
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nonce () {
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return this.microseconds ();
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}
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sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
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let url = this.urls['api'][api] + '/' + path;
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if (api === 'private') {
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this.checkRequiredCredentials ();
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let p = [];
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if ('params' in params) {
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p = params['params'];
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}
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const nonce = this.nonce ();
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const request = {
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'method': path,
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'id': nonce,
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'params': p,
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};
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p = p.join (',');
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body = this.json (request);
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const query = [
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'tonce=' + nonce,
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'accesskey=' + this.apiKey,
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'requestmethod=' + method.toLowerCase (),
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'id=' + nonce,
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'method=' + path,
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'params=' + p,
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].join ('&');
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const signature = this.hmac (this.encode (query), this.encode (this.secret), 'sha1');
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const auth = this.encode (this.apiKey + ':' + signature);
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headers = {
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'Authorization': 'Basic ' + this.stringToBase64 (auth),
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'Json-Rpc-Tonce': nonce,
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};
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} else {
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if (Object.keys (params).length) {
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url += '?' + this.urlencode (params);
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}
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}
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return { 'url': url, 'method': method, 'body': body, 'headers': headers };
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}
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};
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