@jmparsons/ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
526 lines (502 loc) • 20.4 kB
JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ExchangeError, AuthenticationError, InsufficientFunds, OrderNotFound, ExchangeNotAvailable, DDoSProtection, InvalidOrder } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class zb extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'zb',
'name': 'ZB',
'countries': 'CN',
'rateLimit': 1000,
'version': 'v1',
'has': {
'CORS': false,
'createMarketOrder': false,
'fetchOrder': true,
'fetchOrders': true,
'fetchOpenOrders': true,
'withdraw': true,
},
'timeframes': {
'1m': '1min',
'3m': '3min',
'5m': '5min',
'15m': '15min',
'30m': '30min',
'1h': '1hour',
'2h': '2hour',
'4h': '4hour',
'6h': '6hour',
'12h': '12hour',
'1d': '1day',
'3d': '3day',
'1w': '1week',
},
'exceptions': {
// '1000': 'Successful operation',
'1001': ExchangeError, // 'General error message',
'1002': ExchangeError, // 'Internal error',
'1003': AuthenticationError, // 'Verification does not pass',
'1004': AuthenticationError, // 'Funding security password lock',
'1005': AuthenticationError, // 'Funds security password is incorrect, please confirm and re-enter.',
'1006': AuthenticationError, // 'Real-name certification pending approval or audit does not pass',
'1009': ExchangeNotAvailable, // 'This interface is under maintenance',
'2001': InsufficientFunds, // 'Insufficient CNY Balance',
'2002': InsufficientFunds, // 'Insufficient BTC Balance',
'2003': InsufficientFunds, // 'Insufficient LTC Balance',
'2005': InsufficientFunds, // 'Insufficient ETH Balance',
'2006': InsufficientFunds, // 'Insufficient ETC Balance',
'2007': InsufficientFunds, // 'Insufficient BTS Balance',
'2009': InsufficientFunds, // 'Account balance is not enough',
'3001': OrderNotFound, // 'Pending orders not found',
'3002': InvalidOrder, // 'Invalid price',
'3003': InvalidOrder, // 'Invalid amount',
'3004': AuthenticationError, // 'User does not exist',
'3005': ExchangeError, // 'Invalid parameter',
'3006': AuthenticationError, // 'Invalid IP or inconsistent with the bound IP',
'3007': AuthenticationError, // 'The request time has expired',
'3008': OrderNotFound, // 'Transaction records not found',
'4001': ExchangeNotAvailable, // 'API interface is locked or not enabled',
'4002': DDoSProtection, // 'Request too often',
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/32859187-cd5214f0-ca5e-11e7-967d-96568e2e2bd1.jpg',
'api': {
'public': 'http://api.zb.com/data', // no https for public API
'private': 'https://trade.zb.com/api',
},
'www': 'https://www.zb.com',
'doc': 'https://www.zb.com/i/developer',
'fees': 'https://www.zb.com/i/rate',
},
'api': {
'public': {
'get': [
'markets',
'ticker',
'depth',
'trades',
'kline',
],
},
'private': {
'get': [
// spot API
'order',
'cancelOrder',
'getOrder',
'getOrders',
'getOrdersNew',
'getOrdersIgnoreTradeType',
'getUnfinishedOrdersIgnoreTradeType',
'getAccountInfo',
'getUserAddress',
'getWithdrawAddress',
'getWithdrawRecord',
'getChargeRecord',
'getCnyWithdrawRecord',
'getCnyChargeRecord',
'withdraw',
// leverage API
'getLeverAssetsInfo',
'getLeverBills',
'transferInLever',
'transferOutLever',
'loan',
'cancelLoan',
'getLoans',
'getLoanRecords',
'borrow',
'repay',
'getRepayments',
],
},
},
'fees': {
'funding': {
'withdraw': {
'BTC': 0.0001,
'BCH': 0.0006,
'LTC': 0.005,
'ETH': 0.01,
'ETC': 0.01,
'BTS': 3,
'EOS': 1,
'QTUM': 0.01,
'HSR': 0.001,
'XRP': 0.1,
'USDT': '0.1%',
'QCASH': 5,
'DASH': 0.002,
'BCD': 0,
'UBTC': 0,
'SBTC': 0,
'INK': 20,
'TV': 0.1,
'BTH': 0,
'BCX': 0,
'LBTC': 0,
'CHAT': 20,
'bitCNY': 20,
'HLC': 20,
'BTP': 0,
'BCW': 0,
},
},
'trading': {
'maker': 0.2 / 100,
'taker': 0.2 / 100,
},
},
});
}
async fetchMarkets () {
let markets = await this.publicGetMarkets ();
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, quoteId ] = id.split ('_');
let base = this.commonCurrencyCode (baseId.toUpperCase ());
let quote = this.commonCurrencyCode (quoteId.toUpperCase ());
let symbol = base + '/' + quote;
let precision = {
'amount': market['amountScale'],
'price': market['priceScale'],
};
let lot = Math.pow (10, -precision['amount']);
result.push ({
'id': id,
'symbol': symbol,
'baseId': baseId,
'quoteId': quoteId,
'base': base,
'quote': quote,
'lot': lot,
'active': true,
'precision': precision,
'limits': {
'amount': {
'min': lot,
'max': undefined,
},
'price': {
'min': Math.pow (10, -precision['price']),
'max': undefined,
},
'cost': {
'min': 0,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
let response = await this.privateGetGetAccountInfo (params);
// todo: use this somehow
// let permissions = response['result']['base'];
let balances = response['result']['coins'];
let result = { 'info': response };
for (let i = 0; i < balances.length; i++) {
let balance = balances[i];
// { enName: "BTC",
// freez: "0.00000000",
// unitDecimal: 8, // always 8
// cnName: "BTC",
// isCanRecharge: true, // TODO: should use this
// unitTag: "฿",
// isCanWithdraw: true, // TODO: should use this
// available: "0.00000000",
// key: "btc" }
let account = this.account ();
let currency = balance['key'];
if (currency in this.currencies_by_id)
currency = this.currencies_by_id[currency]['code'];
else
currency = this.commonCurrencyCode (balance['enName']);
account['free'] = parseFloat (balance['available']);
account['used'] = parseFloat (balance['freez']);
account['total'] = this.sum (account['free'], account['used']);
result[currency] = account;
}
return this.parseBalance (result);
}
getMarketFieldName () {
return 'market';
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let marketFieldName = this.getMarketFieldName ();
let request = {};
request[marketFieldName] = market['id'];
let orderbook = await this.publicGetDepth (this.extend (request, params));
return this.parseOrderBook (orderbook);
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let marketFieldName = this.getMarketFieldName ();
let request = {};
request[marketFieldName] = market['id'];
let response = await this.publicGetTicker (this.extend (request, params));
let ticker = response['ticker'];
let timestamp = this.milliseconds ();
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': undefined,
'baseVolume': this.safeFloat (ticker, 'vol'),
'quoteVolume': undefined,
'info': ticker,
};
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
if (typeof limit === 'undefined')
limit = 1000;
let request = {
'market': market['id'],
'type': this.timeframes[timeframe],
'limit': limit,
};
if (typeof since !== 'undefined')
request['since'] = since;
let response = await this.publicGetKline (this.extend (request, params));
return this.parseOHLCVs (response['data'], market, timeframe, since, limit);
}
parseTrade (trade, market = undefined) {
let timestamp = trade['date'] * 1000;
let side = (trade['trade_type'] === 'bid') ? 'buy' : 'sell';
return {
'info': trade,
'id': trade['tid'].toString (),
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': market['symbol'],
'type': undefined,
'side': side,
'price': this.safeFloat (trade, 'price'),
'amount': this.safeFloat (trade, 'amount'),
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let marketFieldName = this.getMarketFieldName ();
let request = {};
request[marketFieldName] = market['id'];
let response = await this.publicGetTrades (this.extend (request, params));
return this.parseTrades (response, market, since, limit);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
if (type !== 'limit')
throw new InvalidOrder (this.id + ' allows limit orders only');
await this.loadMarkets ();
let order = {
'price': this.priceToPrecision (symbol, price),
'amount': this.amountToString (symbol, amount),
'tradeType': (side === 'buy') ? '1' : '0',
'currency': this.marketId (symbol),
};
let response = await this.privateGetOrder (this.extend (order, params));
return {
'info': response,
'id': response['id'],
};
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
let order = {
'id': id.toString (),
'currency': this.marketId (symbol),
};
order = this.extend (order, params);
return await this.privateGetCancelOrder (order);
}
async fetchOrder (id, symbol = undefined, params = {}) {
if (typeof symbol === 'undefined')
throw new ExchangeError (this.id + ' fetchOrder() requires a symbol argument');
await this.loadMarkets ();
let order = {
'id': id.toString (),
'currency': this.marketId (symbol),
};
order = this.extend (order, params);
let response = await this.privateGetGetOrder (order);
return this.parseOrder (response, undefined, true);
}
async fetchOrders (symbol = undefined, since = undefined, limit = 50, params = {}) {
if (!symbol)
throw new ExchangeError (this.id + 'fetchOrders requires a symbol parameter');
await this.loadMarkets ();
let market = this.market (symbol);
let request = {
'currency': market['id'],
'pageIndex': 1, // default pageIndex is 1
'pageSize': limit, // default pageSize is 50
};
let method = 'privateGetGetOrdersIgnoreTradeType';
// tradeType 交易类型1/0[buy/sell]
if ('tradeType' in params)
method = 'privateGetGetOrdersNew';
let response = undefined;
try {
response = await this[method] (this.extend (request, params));
} catch (e) {
if (e instanceof OrderNotFound) {
return [];
}
throw e;
}
return this.parseOrders (response, market, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = 10, params = {}) {
if (!symbol)
throw new ExchangeError (this.id + 'fetchOpenOrders requires a symbol parameter');
await this.loadMarkets ();
let market = this.market (symbol);
let request = {
'currency': market['id'],
'pageIndex': 1, // default pageIndex is 1
'pageSize': limit, // default pageSize is 10
};
let method = 'privateGetGetUnfinishedOrdersIgnoreTradeType';
// tradeType 交易类型1/0[buy/sell]
if ('tradeType' in params)
method = 'privateGetGetOrdersNew';
let response = undefined;
try {
response = await this[method] (this.extend (request, params));
} catch (e) {
if (e instanceof OrderNotFound) {
return [];
}
throw e;
}
return this.parseOrders (response, market, since, limit);
}
parseOrder (order, market = undefined) {
let side = order['type'] === 1 ? 'buy' : 'sell';
let type = 'limit'; // market order is not availalbe in ZB
let timestamp = undefined;
let createDateField = this.getCreateDateField ();
if (createDateField in order)
timestamp = order[createDateField];
let symbol = undefined;
if ('currency' in order) {
// get symbol from currency
market = this.marketsById[order['currency']];
}
if (market)
symbol = market['symbol'];
let price = order['price'];
let average = undefined;
let filled = order['trade_amount'];
let amount = order['total_amount'];
let remaining = amount - filled;
let cost = order['trade_money'];
let status = this.safeString (order, 'status');
if (typeof status !== 'undefined')
status = this.parseOrderStatus (status);
let result = {
'info': order,
'id': order['id'],
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'average': average,
'cost': cost,
'amount': amount,
'filled': filled,
'remaining': remaining,
'status': status,
'fee': undefined,
};
return result;
}
parseOrderStatus (status) {
const statuses = {
'0': 'open',
'1': 'canceled',
'2': 'closed',
'3': 'open', // partial
};
if (status in statuses)
return statuses[status];
return status;
}
getCreateDateField () {
return 'trade_date';
}
nonce () {
return this.milliseconds ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'][api];
if (api === 'public') {
url += '/' + this.version + '/' + path;
if (Object.keys (params).length)
url += '?' + this.urlencode (params);
} else {
let query = this.keysort (this.extend ({
'method': path,
'accesskey': this.apiKey,
}, params));
let nonce = this.nonce ();
query = this.keysort (query);
let auth = this.rawencode (query);
let secret = this.hash (this.encode (this.secret), 'sha1');
let signature = this.hmac (this.encode (auth), this.encode (secret), 'md5');
let suffix = 'sign=' + signature + '&reqTime=' + nonce.toString ();
url += '/' + path + '?' + auth + '&' + suffix;
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (httpCode, reason, url, method, headers, body) {
if (typeof body !== 'string')
return; // fallback to default error handler
if (body.length < 2)
return; // fallback to default error handler
if (body[0] === '{') {
let response = JSON.parse (body);
if ('code' in response) {
let code = this.safeString (response, 'code');
let message = this.id + ' ' + this.json (response);
if (code in this.exceptions) {
let ExceptionClass = this.exceptions[code];
throw new ExceptionClass (message);
} else if (code !== '1000') {
throw new ExchangeError (message);
}
}
}
}
};