preidman-ccxt
Version:
A JavaScript / Python / PHP cryptocurrency trading library with support for 100+ exchanges
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JavaScript
'use strict';
/* eslint-disable */
const Exchange = require ('./base/Exchange');
const axios = require ('axios');
const wc = require('waves-crypto');
const { BASE58_STRING, LONG } = wc
const { order } = require('waves-transactions');
const { ExchangeError, ArgumentsRequired, ExchangeNotAvailable, OrderNotFound, InvalidOrder, AuthenticationError, InvalidNonce } = require ('./base/errors');
module.exports = class wavesdex53 extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'initDex': false,
'id': 'wavesdex53',
'name': 'wavesdex53',
'countries': [ 'JP' ],
'rateLimit': 500,
'version': '3',
'userAgent': this.userAgents['chrome'],
'has': {
'fetchDepositAddress': true,
'CORS': false,
'fetchBidsAsks': true,
'fetchTickers': true,
'fetchOHLCV': true,
'fetchMyTrades': true,
'fetchOrder': true,
'fetchOrders': true,
'fetchOpenOrders': true,
'fetchClosedOrders': true,
'withdraw': true,
'fetchFundingFees': true,
'fetchDeposits': true,
'fetchWithdrawals': true,
'fetchTransactions': false,
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/1294454/27982022-75aea828-63a0-11e7-9511-ca584a8edd74.jpg',
'api': {
'public': 'https://api.wavesdex.io/api',
'private': 'https://api.wavesdex.io/tapi',
},
'www': 'https://wavesdex.io',
'doc': 'https://wavesdex.io/api',
'fees': 'https://wavesdex.io/fee',
},
'api': {
'public': {
'get': [
'info',
'ticker/{pair}',
'depth/{pair}',
'trades/{pair}',
],
},
'private': {
'post': [
'getInfo',
'Trade',
'ActiveOrders',
'OrderInfo',
'CancelOrder',
'TradeHistory',
'CoinDepositAddress',
'WithdrawCoin',
'CreateCoupon',
'RedeemCoupon',
],
},
},
'fees': {
'trading': {
'maker': 0.001,
'taker': 0.001,
},
'funding': {
'tierBased': false,
'percentage': false,
'withdraw': {},
'deposit': {},
},
},
'commonCurrencies': {
'DSH': 'DASH',
},
'exceptions': {
'-1000': ExchangeNotAvailable,
// {"code":-1000,"msg":"An unknown error occured while processing the request."}
'-1013': InvalidOrder, // createOrder -> 'invalid quantity'/'invalid price'/MIN_NOTIONAL
'-1021': InvalidNonce, // 'your time is ahead of server'
'-1022': AuthenticationError, // {"code":-1022,"msg":"Signature for self request is not valid."}
'-1100': InvalidOrder, // createOrder(symbol, 1, asdf) -> 'Illegal characters found in parameter 'price'
'-1104': ExchangeError, // Not all sent parameters were read, read 8 parameters but was sent 9
'-1128': ExchangeError, // {"code":-1128,"msg":"Combination of optional parameters invalid."}
'-2010': ExchangeError,
// generic error code for createOrder -> 'Account has insufficient balance for requested action.', {"code":-2010,"msg":"Rest API trading is not enabled."}, etc...
'-2011': OrderNotFound, // cancelOrder(1, 'BTC/USDT') -> 'UNKNOWN_ORDER'
'-2013': OrderNotFound, // fetchOrder(1, 'BTC/USDT') -> 'Order does not exist'
'-2014': AuthenticationError, // {"code":-2014, "msg": "API-key format invalid."}
'-2015': AuthenticationError, // "Invalid API-key, IP, or permissions for action."
},
'options': {
'fetchTickersMethod': 'publicGetTicker24hr',
'defaultTimeInForce': 'GTC', // 'GTC' = Good To Cancel(default), 'IOC' = Immediate Or Cancel
'defaultLimitOrderType': 'limit', // or 'limit_maker'
'hasAlreadyAuthenticatedSuccessfully': false,
'warnOnFetchOpenOrdersWithoutSymbol': true,
'recvWindow': 5 * 1000, // 5 sec, wavesdex default
'timeDifference': 0, // the difference between system clock and wavesdex clock
'adjustForTimeDifference': false, // controls the adjustment logic upon instantiation
'parseOrderToPrecision': false, // force amounts and costs in parseOrder to precision
'newOrderRespType': {
'market': 'FULL', // 'ACK' for order id, 'RESULT' for full order or 'FULL' for order with fills
'limit': 'RESULT', // we change it from 'ACK' by default to 'RESULT'
},
},
});
}
nonce (params = {}) {
return this.milliseconds() - this.options['timeDifference']
}
loadTimeDifference (params = {}) {
this.options['timeDifference'] = 0
return this.options['timeDifference']
}
calculateFee (symbol, type, side, amount, price, takerOrMaker = 'taker', params = {}) {
let market = this.markets[symbol];
let key = 'quote';
let rate = market[takerOrMaker];
let cost = parseFloat (this.costToPrecision (symbol, amount * rate));
if (side === 'sell') {
cost *= price;
} else {
key = 'base';
}
return {
'type': takerOrMaker,
'currency': market[key],
'rate': rate,
'cost': cost,
};
}
async fetchMarkets (params = {}) {
let response = await this.publicGetInfo ();
let markets = response['symbols'];
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 = baseId.toUpperCase ();
let quote = quoteId.toUpperCase ();
base = this.commonCurrencyCode (base);
quote = this.commonCurrencyCode (quote);
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;
}
InitMatcher (params = {}) {
let self = this
if (!self.initDex) {
self.dexid = {
"WAVES": "WAVES",
"BTC": "8LQW8f7P5d5PZM7GtZEBgaqRPGSzS3DfPuiXrURJ4AJS",
"ETH": "474jTeYx2r2Va35794tCScAXWJG9hU2HcgxzMowaZUnu",
"USD": "Ft8X1v1LTa1ABafufpaCWyVj8KkaxUWE6xBhW6sNFJck",
"VST": "4LHHvYGNKJUg5hj65aGD5vgScvCBmLpdRFtjokvCjSL8",
}
self.decimals = {
"WAVES": 8,
"BTC": 8,
"ETH": 8,
"USD": 2,
"VST": 8,
}
self.initDex = true
// self.matcherUrl = 'https://matcher.wavesnodes.com'
self.nodeUrl = 'https://nodes.wavesplatform.com'
self.userAddress = wc.address(self.apiKey) // this.apiKey <-- SEED Phrase
self.publicKey = wc.publicKey(self.apiKey)
self.privateKey = wc.privateKey(self.apiKey)
}
}
initBalance (params = {}) {
let balances = {};
balances['WAVES'] = {
free: 0,
used: 0,
total: 0
}
for (let market in this.dexid) {
balances[market] = {
free: 0,
used: 0,
total: 0
}
}
return balances
}
parseBalance (balances) {
for (let market in balances) {
balances[market]['info'] = {
free: balances[market]['free'],
used: balances[market]['used'],
total: balances[market]['total']
}
}
return balances
}
async fetchBalance (params = {}) {
this.InitMatcher();
let balances = this.initBalance();
for (let market in this.dexid) {
if (market === 'WAVES') {
let bal = await axios({
method:'get',
url: this.nodeUrl + '/addresses/balance/' + this.userAddress
})
bal = bal['data']
balances['WAVES']['total'] = bal['balance'] / 10 ** this.decimals['WAVES']
} else {
let marketid = this.dexid[market]
let assetPrecision = this.decimals['WAVES']
let marketPrecision = this.decimals[market]
// Tradable Balance
let tradeB = await axios({
method:'get',
url: this.matcherUrl + '/matcher/orderbook/WAVES/' + marketid + '/tradableBalance/' + this.userAddress
})
tradeB = tradeB['data']
balances[market]['free'] = tradeB[marketid] / 10 ** marketPrecision
balances['WAVES']['free'] = tradeB['WAVES'] / 10 ** assetPrecision
// Total Balance
let totalB = await axios({
method:'get',
url: this.nodeUrl + '/assets/balance/' + this.userAddress + '/' + marketid
})
totalB = totalB['data']
balances[market]['total'] = totalB['balance'] / 10 ** marketPrecision
// Used Balance
balances[market]['used'] = balances[market]['total'] - balances[market]['free']
balances['WAVES']['used'] = balances['WAVES']['total'] - balances['WAVES']['free']
}
}
balances = this.parseBalance(balances)
return balances
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
this.InitMatcher();
let assetname = symbol.split('/')[0]
let marketname = symbol.split('/')[1]
let assetid = this.dexid[assetname]
let marketid = this.dexid[marketname]
let assetPrecision = this.decimals[assetname]
let marketPrecision = this.decimals[marketname]
// let dexBook = await axios.get(this.matcherUrl + '/matcher/orderbook/' + assetname + '/' + marketid)
let dexBook = await axios({
method:'get',
url: this.matcherUrl + '/matcher/orderbook/' + assetid + '/' + marketid
})
dexBook = dexBook['data']
let bids = []
for (let i in dexBook['bids']) {
let price = parseFloat(dexBook['bids'][i]['price']) / 10 ** (8 + marketPrecision - assetPrecision)
let size = parseFloat(dexBook['bids'][i]['amount']) / 10 ** assetPrecision
bids.push([price, size])
}
let asks = []
for (let i in dexBook['asks']) {
let price = parseFloat(dexBook['asks'][i]['price']) / 10 ** (8 + marketPrecision - assetPrecision)
let size = parseFloat(dexBook['asks'][i]['amount']) / 10 ** assetPrecision
asks.push([price, size])
}
let orderbook = {
'bids': bids,
'asks': asks,
'timestamp': Date.now(),
}
return orderbook
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
this.InitMatcher();
let assetname = symbol.split('/')[0]
let marketname = symbol.split('/')[1]
let assetid = this.dexid[assetname]
let marketid = this.dexid[marketname]
let assetPrecision = this.decimals[assetname]
let marketPrecision = this.decimals[marketname]
let floatPrice = Math.floor(price * 10 ** 8) / 10 ** 8
let intPrice = parseInt(floatPrice * 10 ** (8 + marketPrecision - assetPrecision))
let intQty = parseInt(amount * 10 ** assetPrecision)
if (marketid === 'WAVES') marketid = ""
// Sign Order
const orderParams = {
amount: intQty,
price: intPrice,
amountAsset: assetid,
priceAsset: marketid,
matcherPublicKey: '7kPFrHDiGw1rCm7LPszuECwWYL3dMf6iMifLRDJQZMzy',
orderType: side
}
const signedOrder = order(orderParams, this.apiKey)
// Broadcast order
let ord = await axios.post(this.matcherUrl + '/matcher/orderbook', signedOrder)
ord = ord['data']
let res = {}
if (ord['status'] === 'OrderAccepted') {
res = ord['message']
res['side'] = res['orderType']
res['price'] = res['price'] / 10 ** (8 + marketPrecision - assetPrecision)
res['amount'] = res['amount'] / 10 ** (8 + marketPrecision - assetPrecision)
res['symbol'] = symbol
res['status'] = 'OK'
} else {
res['status'] = 'ERR'
res['message'] = ord
}
return res
}
async cancelOrder (id, symbol = undefined, params = {}) {
let self = this
this.InitMatcher();
let assetname = symbol.split('/')[0]
let marketname = symbol.split('/')[1]
let assetid = self.dexid[assetname]
let marketid = self.dexid[marketname]
let assetPrecision = self.decimals[assetname]
let marketPrecision = self.decimals[marketname]
const paramsToDeleteBytes = wc.concat(
BASE58_STRING(self.publicKey),
BASE58_STRING(id),
)
const signedBytes = wc.signBytes(paramsToDeleteBytes, self.apiKey)
const paramsToDelete = {
sender: self.publicKey,
orderId: id,
signature: signedBytes
}
//Cancel
let ord = await axios.post(self.matcherUrl + '/matcher/orderbook/' + assetid +'/' + marketid + '/cancel', paramsToDelete)
ord = ord['data']
return ord
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
let self = this
this.InitMatcher();
let assetname = symbol.split('/')[0]
let marketname = symbol.split('/')[1]
let assetid = self.dexid[assetname]
let marketid = self.dexid[marketname]
let assetPrecision = self.decimals[assetname]
let marketPrecision = self.decimals[marketname]
const timestampOrd = Date.now()
const paramsBytes = wc.concat(
BASE58_STRING(self.publicKey),
LONG(timestampOrd),
)
const signedBytes = wc.signBytes(paramsBytes, self.apiKey)
const paramsHeader = {
Accept: 'application/json',
Timestamp: timestampOrd,
Signature: signedBytes
}
let dexorders = await axios({
method:'get',
url: self.matcherUrl + '/matcher/orderbook/' + assetid +'/' + marketid + '/publicKey/' + self.publicKey,
params: {
activeOnly: true
},
headers: paramsHeader
})
dexorders = dexorders['data']
let orders = []
for (let i in dexorders) {
let ord = {}
ord['status'] = 'open'
ord['symbol'] = symbol
ord['side'] = dexorders[i]['type']
ord['id'] = dexorders[i]['id']
ord['timestamp'] = dexorders[i]['timestamp']
ord['amount'] = parseFloat(dexorders[i]['amount']) / 10 ** assetPrecision
ord['filled'] = parseFloat(dexorders[i]['filled']) / 10 ** assetPrecision
ord['price'] = parseFloat(dexorders[i]['price']) / 10 ** (8 + marketPrecision - assetPrecision)
orders.push(ord)
}
return orders
}
// async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
// let orders = await this.fetchOrders (symbol, since, limit, params);
// return this.filterBy (orders, 'status', 'open');
// }
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
let self = this
this.InitMatcher();
let assetname = symbol.split('/')[0]
let marketname = symbol.split('/')[1]
let assetid = self.dexid[assetname]
let marketid = self.dexid[marketname]
let assetPrecision = self.decimals[assetname]
let marketPrecision = self.decimals[marketname]
const timestampOrd = Date.now()
const paramsBytes = wc.concat(
BASE58_STRING(self.publicKey),
LONG(timestampOrd),
)
const signedBytes = wc.signBytes(paramsBytes, self.apiKey)
const paramsHeader = {
Accept: 'application/json',
Timestamp: timestampOrd,
Signature: signedBytes
}
let dexorders = await axios({
method:'get',
url: self.matcherUrl + '/matcher/orderbook/' + assetid +'/' + marketid + '/publicKey/' + self.publicKey,
params: {
activeOnly: false
},
headers: paramsHeader
})
dexorders = dexorders['data']
let orders = []
for (let i in dexorders) {
if (dexorders[i]['status'] === 'Filled') {
let ord = {}
ord['status'] = 'closed'
ord['symbol'] = symbol
ord['side'] = dexorders[i]['type']
ord['id'] = dexorders[i]['id']
ord['timestamp'] = dexorders[i]['timestamp']
ord['amount'] = parseFloat(dexorders[i]['amount']) / 10 ** assetPrecision
ord['filled'] = parseFloat(dexorders[i]['filled']) / 10 ** assetPrecision
ord['price'] = parseFloat(dexorders[i]['price']) / 10 ** (8 + marketPrecision - assetPrecision)
orders.push(ord)
}
}
return orders
}
async fetchOrderBooks (symbols = undefined, params = {}) {
await this.loadMarkets ();
let ids = undefined;
if (symbols === undefined) {
ids = this.ids.join ('-');
// max URL length is 2083 symbols, including http schema, hostname, tld, etc...
if (ids.length > 2048) {
let numIds = this.ids.length;
throw new ExchangeError (this.id + ' has ' + numIds.toString () + ' symbols exceeding max URL length, you are required to specify a list of symbols in the first argument to fetchOrderBooks');
}
} else {
ids = this.marketIds (symbols);
ids = ids.join ('-');
}
let response = await this.publicGetDepthPair (this.extend ({
'pair': ids,
}, params));
let result = {};
ids = Object.keys (response);
for (let i = 0; i < ids.length; i++) {
let id = ids[i];
let symbol = id;
if (id in this.markets_by_id) {
let market = this.markets_by_id[id];
symbol = market['symbol'];
}
result[symbol] = this.parseOrderBook (response[id]);
}
return result;
}
parseTicker (ticker, market = undefined) {
//
// { high: 0.03497582,
// low: 0.03248474,
// avg: 0.03373028,
// vol: 120.11485715062999,
// vol_cur: 3572.24914074,
// last: 0.0337611,
// buy: 0.0337442,
// sell: 0.03377798,
// updated: 1537522009 }
//
let timestamp = ticker['updated'] * 1000;
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
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': this.safeFloat (ticker, 'avg'),
'baseVolume': this.safeFloat (ticker, 'vol_cur'),
'quoteVolume': this.safeFloat (ticker, 'vol'),
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
let ids = this.ids;
if (symbols === undefined) {
let numIds = ids.length;
ids = ids.join ('-');
let maxLength = this.safeInteger (this.options, 'fetchTickersMaxLength', 2048);
// max URL length is 2048 symbols, including http schema, hostname, tld, etc...
if (ids.length > this.options['fetchTickersMaxLength']) {
throw new ArgumentsRequired (this.id + ' has ' + numIds.toString () + ' markets exceeding max URL length for this endpoint (' + maxLength.toString () + ' characters), please, specify a list of symbols of interest in the first argument to fetchTickers');
}
} else {
ids = this.marketIds (symbols);
ids = ids.join ('-');
}
let tickers = await this.publicGetTickerPair (this.extend ({
'pair': ids,
}, params));
let result = {};
let keys = Object.keys (tickers);
for (let k = 0; k < keys.length; k++) {
let id = keys[k];
let ticker = tickers[id];
let symbol = id;
let market = undefined;
if (id in this.markets_by_id) {
market = this.markets_by_id[id];
symbol = market['symbol'];
}
result[symbol] = this.parseTicker (ticker, market);
}
return result;
}
async fetchTicker (symbol, params = {}) {
let tickers = await this.fetchTickers ([ symbol ], params);
return tickers[symbol];
}
parseTrade (trade, market = undefined) {
let timestamp = this.safeInteger (trade, 'timestamp');
if (timestamp !== undefined) {
timestamp = timestamp * 1000;
}
let side = this.safeString (trade, 'type');
if (side === 'ask') {
side = 'sell';
} else if (side === 'bid') {
side = 'buy';
}
let price = this.safeFloat2 (trade, 'rate', 'price');
let id = this.safeString2 (trade, 'trade_id', 'tid');
let order = this.safeString (trade, this.getOrderIdKey ());
if ('pair' in trade) {
let marketId = this.safeString (trade, 'pair');
market = this.safeValue (this.markets_by_id, marketId, market);
}
let symbol = undefined;
if (market !== undefined) {
symbol = market['symbol'];
}
let amount = this.safeFloat (trade, 'amount');
let type = 'limit'; // all trades are still limit trades
let takerOrMaker = undefined;
let fee = undefined;
let feeCost = this.safeFloat (trade, 'commission');
if (feeCost !== undefined) {
let feeCurrencyId = this.safeString (trade, 'commissionCurrency');
feeCurrencyId = feeCurrencyId.toUpperCase ();
let feeCurrency = this.safeValue (this.currencies_by_id, feeCurrencyId);
let feeCurrencyCode = undefined;
if (feeCurrency !== undefined) {
feeCurrencyCode = feeCurrency['code'];
} else {
feeCurrencyCode = this.commonCurrencyCode (feeCurrencyId);
}
fee = {
'cost': feeCost,
'currency': feeCurrencyCode,
};
}
let isYourOrder = this.safeValue (trade, 'is_your_order');
if (isYourOrder !== undefined) {
takerOrMaker = 'taker';
if (isYourOrder) {
takerOrMaker = 'maker';
}
if (fee === undefined) {
fee = this.calculateFee (symbol, type, side, amount, price, takerOrMaker);
}
}
return {
'id': id,
'order': order,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'type': type,
'side': side,
'takerOrMaker': takerOrMaker,
'price': price,
'amount': amount,
'fee': fee,
'info': trade,
};
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = this.market (symbol);
let request = {
'pair': market['id'],
};
if (limit !== undefined) {
request['limit'] = limit;
}
let response = await this.publicGetTradesPair (this.extend (request, params));
if (Array.isArray (response)) {
let numElements = response.length;
if (numElements === 0) {
return [];
}
}
return this.parseTrades (response[market['id']], market, since, limit);
}
getOrderIdKey () {
return 'order_id';
}
parseOrderStatus (status) {
let statuses = {
'0': 'open',
'1': 'closed',
'2': 'canceled',
'3': 'canceled', // or partially-filled and still open? https://github.com/ccxt/ccxt/issues/1594
};
if (status in statuses) {
return statuses[status];
}
return status;
}
parseOrder (order, market = undefined) {
let id = order['id'].toString ();
let status = this.parseOrderStatus (this.safeString (order, 'status'));
let timestamp = parseInt (order['timestamp_created']) * 1000;
let symbol = undefined;
if (market === undefined) {
market = this.markets_by_id[order['pair']];
}
if (market !== undefined) {
symbol = market['symbol'];
}
let remaining = undefined;
let amount = undefined;
let price = this.safeFloat (order, 'rate');
let filled = undefined;
let cost = undefined;
if ('start_amount' in order) {
amount = this.safeFloat (order, 'start_amount');
remaining = this.safeFloat (order, 'amount');
} else {
remaining = this.safeFloat (order, 'amount');
if (id in this.orders)
amount = this.orders[id]['amount'];
}
if (amount !== undefined) {
if (remaining !== undefined) {
filled = amount - remaining;
cost = price * filled;
}
}
let fee = undefined;
let result = {
'info': order,
'id': id,
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'type': 'limit',
'side': order['type'],
'price': price,
'cost': cost,
'amount': amount,
'remaining': remaining,
'filled': filled,
'status': status,
'fee': fee,
};
return result;
}
parseOrders (orders, market = 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 = orders[id];
let extended = this.extend (order, { 'id': id });
result.push (this.parseOrder (extended, market));
}
return this.filterBySinceLimit (result, since, limit);
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
let request = {};
let idKey = this.getOrderIdKey ();
request[idKey] = parseInt (id);
let method = this.options['fetchOrderMethod'];
let response = await this[method] (this.extend (request, params));
id = id.toString ();
let newOrder = this.parseOrder (this.extend ({ 'id': id }, response['return'][id]));
let oldOrder = (id in this.orders) ? this.orders[id] : {};
this.orders[id] = this.extend (oldOrder, newOrder);
return this.orders[id];
}
updateCachedOrders (openOrders, symbol) {
// update local cache with open orders
// this will add unseen orders and overwrite existing ones
for (let j = 0; j < openOrders.length; j++) {
const id = openOrders[j]['id'];
this.orders[id] = openOrders[j];
}
let openOrdersIndexedById = this.indexBy (openOrders, 'id');
let cachedOrderIds = Object.keys (this.orders);
for (let k = 0; k < cachedOrderIds.length; k++) {
// match each cached order to an order in the open orders array
// possible reasons why a cached order may be missing in the open orders array:
// - order was closed or canceled -> update cache
// - symbol mismatch (e.g. cached BTC/USDT, fetched ETH/USDT) -> skip
let cachedOrderId = cachedOrderIds[k];
let cachedOrder = this.orders[cachedOrderId];
if (!(cachedOrderId in openOrdersIndexedById)) {
// cached order is not in open orders array
// if we fetched orders by symbol and it doesn't match the cached order -> won't update the cached order
if (symbol !== undefined && symbol !== cachedOrder['symbol'])
continue;
// cached order is absent from the list of open orders -> mark the cached order as closed
if (cachedOrder['status'] === 'open') {
cachedOrder = this.extend (cachedOrder, {
'status': 'closed', // likewise it might have been canceled externally (unnoticed by "us")
'cost': undefined,
'filled': cachedOrder['amount'],
'remaining': 0.0,
});
if (cachedOrder['cost'] === undefined) {
if (cachedOrder['filled'] !== undefined) {
cachedOrder['cost'] = cachedOrder['filled'] * cachedOrder['price'];
}
}
this.orders[cachedOrderId] = cachedOrder;
}
}
}
return this.toArray (this.orders);
}
async fetchMyTrades (symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
// some derived classes use camelcase notation for request fields
let request = {
// 'from': 123456789, // trade ID, from which the display starts numerical 0 (test result: wavesdex ignores this field)
// 'count': 1000, // the number of trades for display numerical, default = 1000
// 'from_id': trade ID, from which the display starts numerical 0
// 'end_id': trade ID on which the display ends numerical ∞
// 'order': 'ASC', // sorting, default = DESC (test result: wavesdex ignores this field, most recent trade always goes last)
// 'since': 1234567890, // UTC start time, default = 0 (test result: wavesdex ignores this field)
// 'end': 1234567890, // UTC end time, default = ∞ (test result: wavesdex ignores this field)
// 'pair': 'eth_btc', // default = all markets
};
if (symbol !== undefined) {
market = this.market (symbol);
request['pair'] = market['id'];
}
if (limit !== undefined) {
request['count'] = parseInt (limit);
}
if (since !== undefined) {
request['since'] = parseInt (since / 1000);
}
let method = this.options['fetchMyTradesMethod'];
let response = await this[method] (this.extend (request, params));
let trades = [];
if ('return' in response) {
trades = response['return'];
}
return this.parseTrades (trades, market, since, limit);
}
async withdraw (code, amount, address, tag = undefined, params = {}) {
this.checkAddress (address);
await this.loadMarkets ();
let currency = this.currency (code);
let request = {
'coinName': currency['id'],
'amount': parseFloat (amount),
'address': address,
};
// no docs on the tag, yet...
if (tag !== undefined) {
throw new ExchangeError (this.id + ' withdraw() does not support the tag argument yet due to a lack of docs on withdrawing with tag/memo on behalf of the exchange.');
}
let response = await this.privatePostWithdrawCoin (this.extend (request, params));
return {
'info': response,
'id': response['return']['tId'],
};
}
signBodyWithSecret (body) {
return this.hmac (this.encode (body), this.encode (this.secret), 'sha512');
}
getVersionString () {
return '/' + this.version;
}
getPrivatePath (path, params) {
return '';
}
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 === 'private') {
url += this.getPrivatePath (path, params);
this.checkRequiredCredentials ();
let nonce = this.nonce ();
body = this.urlencode (this.extend ({
'nonce': nonce,
'method': path,
}, query));
let signature = this.signBodyWithSecret (body);
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
'Key': this.apiKey,
'Sign': signature,
};
} else if (api === 'public') {
url += this.getVersionString () + '/' + this.implodeParams (path, params);
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
url += '/' + this.implodeParams (path, params);
if (method === 'GET') {
if (Object.keys (query).length) {
url += '?' + this.urlencode (query);
}
} else {
if (Object.keys (query).length) {
body = this.json (query);
headers = {
'Content-Type': 'application/json',
};
}
}
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
handleErrors (httpCode, reason, url, method, headers, body, response) {
if (!this.isJsonEncodedObject (body))
return; // fallback to default error handler
if ('success' in response) {
//
// 1 - wavesdex only returns the integer 'success' key from their private API
//
// { "success": 1, ... } httpCode === 200
// { "success": 0, ... } httpCode === 200
//
// 2 - However, exchanges derived from wavesdex, can return non-integers
//
// It can be a numeric string
// { "sucesss": "1", ... }
// { "sucesss": "0", ... }, httpCode >= 200 (can be 403, 502, etc)
//
// Or just a string
// { "success": "true", ... }
// { "success": "false", ... }, httpCode >= 200
//
// Or a boolean
// { "success": true, ... }
// { "success": false, ... }, httpCode >= 200
//
// 3 - Oversimplified, Python PEP8 forbids comparison operator (===) of different types
//
// 4 - We do not want to copy-paste and duplicate the code of this handler to other exchanges derived from wavesdex
//
// To cover points 1, 2, 3 and 4 combined this handler should work like this:
//
let success = this.safeValue (response, 'success', false);
if (typeof success === 'string') {
if ((success === 'true') || (success === '1'))
success = true;
else
success = false;
}
if (!success) {
const code = this.safeString (response, 'code');
const message = this.safeString (response, 'error');
const feedback = this.id + ' ' + this.json (response);
const exact = this.exceptions['exact'];
if (code in exact) {
throw new exact[code] (feedback);
}
const broad = this.exceptions['broad'];
const broadKey = this.findBroadlyMatchedKey (broad, message);
if (broadKey !== undefined) {
throw new broad[broadKey] (feedback);
}
throw new ExchangeError (feedback); // unknown message
}
}
}
};