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ccxt

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A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 100+ exchanges

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// ---------------------------------------------------------------------------- // PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN: // https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code // EDIT THE CORRESPONDENT .ts FILE INSTEAD // ---------------------------------------------------------------------------- import bitoproRest from '../bitopro.js'; import { ExchangeError } from '../base/errors.js'; import { ArrayCache, ArrayCacheBySymbolById } from '../base/ws/Cache.js'; import { sha384 } from '../static_dependencies/noble-hashes/sha512.js'; // ---------------------------------------------------------------------------- export default class bitopro extends bitoproRest { describe() { return this.deepExtend(super.describe(), { 'has': { 'ws': true, 'watchBalance': true, 'watchMyTrades': true, 'watchOHLCV': false, 'watchOrderBook': true, 'watchOrders': false, 'watchTicker': true, 'watchTickers': false, 'watchTrades': true, 'watchTradesForSymbols': false, }, 'urls': { 'ws': { 'public': 'wss://stream.bitopro.com:443/ws/v1/pub', 'private': 'wss://stream.bitopro.com:443/ws/v1/pub/auth', }, }, 'requiredCredentials': { 'apiKey': true, 'secret': true, 'login': true, }, 'options': { 'tradesLimit': 1000, 'ordersLimit': 1000, 'ws': { 'options': { // headers is required for the authentication 'headers': {}, }, }, }, }); } async watchPublic(path, messageHash, marketId) { const url = this.urls['ws']['public'] + '/' + path + '/' + marketId; return await this.watch(url, messageHash, undefined, messageHash); } /** * @method * @name bitopro#watchOrderBook * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/public/order_book_stream.md * @param {string} symbol unified symbol of the market to fetch the order book for * @param {int} [limit] the maximum amount of order book entries to return * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols */ async watchOrderBook(symbol, limit = undefined, params = {}) { if (limit !== undefined) { if ((limit !== 5) && (limit !== 10) && (limit !== 20) && (limit !== 50) && (limit !== 100) && (limit !== 500) && (limit !== 1000)) { throw new ExchangeError(this.id + ' watchOrderBook limit argument must be undefined, 5, 10, 20, 50, 100, 500 or 1000'); } } await this.loadMarkets(); const market = this.market(symbol); symbol = market['symbol']; const messageHash = 'ORDER_BOOK' + ':' + symbol; let endPart = undefined; if (limit === undefined) { endPart = market['id']; } else { endPart = market['id'] + ':' + this.numberToString(limit); } const orderbook = await this.watchPublic('order-books', messageHash, endPart); return orderbook.limit(); } handleOrderBook(client, message) { // // { // "event": "ORDER_BOOK", // "timestamp": 1650121915308, // "datetime": "2022-04-16T15:11:55.308Z", // "pair": "BTC_TWD", // "limit": 5, // "scale": 0, // "bids": [ // { price: "1188178", amount: '0.0425', count: 1, total: "0.0425" }, // ], // "asks": [ // { // "price": "1190740", // "amount": "0.40943964", // "count": 1, // "total": "0.40943964" // }, // ] // } // const marketId = this.safeString(message, 'pair'); const market = this.safeMarket(marketId, undefined, '_'); const symbol = market['symbol']; const event = this.safeString(message, 'event'); const messageHash = event + ':' + symbol; let orderbook = this.safeValue(this.orderbooks, symbol); if (orderbook === undefined) { orderbook = this.orderBook({}); } const timestamp = this.safeInteger(message, 'timestamp'); const snapshot = this.parseOrderBook(message, symbol, timestamp, 'bids', 'asks', 'price', 'amount'); orderbook.reset(snapshot); client.resolve(orderbook, messageHash); } /** * @method * @name bitopro#watchTrades * @description get the list of most recent trades for a particular symbol * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/public/trade_stream.md * @param {string} symbol unified symbol of the market to fetch trades for * @param {int} [since] timestamp in ms of the earliest trade to fetch * @param {int} [limit] the maximum amount of trades to fetch * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades} */ async watchTrades(symbol, since = undefined, limit = undefined, params = {}) { await this.loadMarkets(); const market = this.market(symbol); symbol = market['symbol']; const messageHash = 'TRADE' + ':' + symbol; const trades = await this.watchPublic('trades', messageHash, market['id']); if (this.newUpdates) { limit = trades.getLimit(symbol, limit); } return this.filterBySinceLimit(trades, since, limit, 'timestamp', true); } handleTrade(client, message) { // // { // "event": "TRADE", // "timestamp": 1650116346665, // "datetime": "2022-04-16T13:39:06.665Z", // "pair": "BTC_TWD", // "data": [ // { // "event": '', // "datetime": '', // "pair": '', // "timestamp": 1650116227, // "price": "1189429", // "amount": "0.0153127", // "isBuyer": true // }, // ] // } // const marketId = this.safeString(message, 'pair'); const market = this.safeMarket(marketId, undefined, '_'); const symbol = market['symbol']; const event = this.safeString(message, 'event'); const messageHash = event + ':' + symbol; const rawData = this.safeValue(message, 'data', []); const trades = this.parseTrades(rawData, market); let tradesCache = this.safeValue(this.trades, symbol); if (tradesCache === undefined) { const limit = this.safeInteger(this.options, 'tradesLimit', 1000); tradesCache = new ArrayCache(limit); } for (let i = 0; i < trades.length; i++) { tradesCache.append(trades[i]); } this.trades[symbol] = tradesCache; client.resolve(tradesCache, messageHash); } /** * @method * @name bitopro#watchMyTrades * @description watches information on multiple trades made by the user * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/private/matches_stream.md * @param {string} symbol unified market symbol of the market trades were made in * @param {int} [since] the earliest time in ms to fetch trades for * @param {int} [limit] the maximum number of trade structures to retrieve * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=trade-structure} */ async watchMyTrades(symbol = undefined, since = undefined, limit = undefined, params = {}) { this.checkRequiredCredentials(); await this.loadMarkets(); let messageHash = 'USER_TRADE'; if (symbol !== undefined) { const market = this.market(symbol); messageHash = messageHash + ':' + market['symbol']; } const url = this.urls['ws']['private'] + '/' + 'user-trades'; this.authenticate(url); const trades = await this.watch(url, messageHash, undefined, messageHash); if (this.newUpdates) { limit = trades.getLimit(symbol, limit); } return this.filterBySinceLimit(trades, since, limit, 'timestamp', true); } handleMyTrade(client, message) { // // { // "event": "USER_TRADE", // "timestamp": 1694667358782, // "datetime": "2023-09-14T12:55:58.782Z", // "data": { // "base": "usdt", // "quote": "twd", // "side": "ask", // "price": "32.039", // "volume": "1", // "fee": "6407800", // "feeCurrency": "twd", // "transactionTimestamp": 1694667358, // "eventTimestamp": 1694667358, // "orderID": 390733918, // "orderType": "LIMIT", // "matchID": "bd07673a-94b1-419e-b5ee-d7b723261a5d", // "isMarket": false, // "isMaker": false // } // } // const data = this.safeValue(message, 'data', {}); const baseId = this.safeString(data, 'base'); const quoteId = this.safeString(data, 'quote'); const base = this.safeCurrencyCode(baseId); const quote = this.safeCurrencyCode(quoteId); const symbol = this.symbol(base + '/' + quote); const messageHash = this.safeString(message, 'event'); if (this.myTrades === undefined) { const limit = this.safeInteger(this.options, 'tradesLimit', 1000); this.myTrades = new ArrayCacheBySymbolById(limit); } const trades = this.myTrades; const parsed = this.parseWsTrade(data); trades.append(parsed); client.resolve(trades, messageHash); client.resolve(trades, messageHash + ':' + symbol); } parseWsTrade(trade, market = undefined) { // // { // "base": "usdt", // "quote": "twd", // "side": "ask", // "price": "32.039", // "volume": "1", // "fee": "6407800", // "feeCurrency": "twd", // "transactionTimestamp": 1694667358, // "eventTimestamp": 1694667358, // "orderID": 390733918, // "orderType": "LIMIT", // "matchID": "bd07673a-94b1-419e-b5ee-d7b723261a5d", // "isMarket": false, // "isMaker": false // } // const id = this.safeString(trade, 'matchID'); const orderId = this.safeString(trade, 'orderID'); const timestamp = this.safeTimestamp(trade, 'transactionTimestamp'); const baseId = this.safeString(trade, 'base'); const quoteId = this.safeString(trade, 'quote'); const base = this.safeCurrencyCode(baseId); const quote = this.safeCurrencyCode(quoteId); const symbol = this.symbol(base + '/' + quote); market = this.safeMarket(symbol, market); const price = this.safeString(trade, 'price'); const type = this.safeStringLower(trade, 'orderType'); let side = this.safeString(trade, 'side'); if (side !== undefined) { if (side === 'ask') { side = 'sell'; } else if (side === 'bid') { side = 'buy'; } } const amount = this.safeString(trade, 'volume'); let fee = undefined; const feeAmount = this.safeString(trade, 'fee'); const feeSymbol = this.safeCurrencyCode(this.safeString(trade, 'feeCurrency')); if (feeAmount !== undefined) { fee = { 'cost': feeAmount, 'currency': feeSymbol, 'rate': undefined, }; } const isMaker = this.safeValue(trade, 'isMaker'); let takerOrMaker = undefined; if (isMaker !== undefined) { if (isMaker) { takerOrMaker = 'maker'; } else { takerOrMaker = 'taker'; } } return this.safeTrade({ 'id': id, 'info': trade, 'order': orderId, 'timestamp': timestamp, 'datetime': this.iso8601(timestamp), 'symbol': symbol, 'takerOrMaker': takerOrMaker, 'type': type, 'side': side, 'price': price, 'amount': amount, 'cost': undefined, 'fee': fee, }, market); } /** * @method * @name bitopro#watchTicker * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/public/ticker_stream.md * @param {string} symbol unified symbol of the market to fetch the ticker for * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure} */ async watchTicker(symbol, params = {}) { await this.loadMarkets(); const market = this.market(symbol); symbol = market['symbol']; const messageHash = 'TICKER' + ':' + symbol; return await this.watchPublic('tickers', messageHash, market['id']); } handleTicker(client, message) { // // { // "event": "TICKER", // "timestamp": 1650119165710, // "datetime": "2022-04-16T14:26:05.710Z", // "pair": "BTC_TWD", // "lastPrice": "1189110", // "lastPriceUSD": "40919.1328", // "lastPriceTWD": "1189110", // "isBuyer": true, // "priceChange24hr": "1.23", // "volume24hr": "7.2090", // "volume24hrUSD": "294985.5375", // "volume24hrTWD": "8572279", // "high24hr": "1193656", // "low24hr": "1179321" // } // const marketId = this.safeString(message, 'pair'); // market-ids are lowercase in REST API and uppercase in WS API const market = this.safeMarket(marketId.toLowerCase(), undefined, '_'); const symbol = market['symbol']; const event = this.safeString(message, 'event'); const messageHash = event + ':' + symbol; const result = this.parseTicker(message, market); result['symbol'] = this.safeString(market, 'symbol'); // symbol returned from REST's parseTicker is distorted for WS, so re-set it from market object const timestamp = this.safeInteger(message, 'timestamp'); result['timestamp'] = timestamp; result['datetime'] = this.iso8601(timestamp); // we shouldn't set "datetime" string provided by server, as those values are obviously wrong offset from UTC this.tickers[symbol] = result; client.resolve(result, messageHash); } authenticate(url) { if ((this.clients !== undefined) && (url in this.clients)) { return; } this.checkRequiredCredentials(); const nonce = this.milliseconds(); const rawData = this.json({ 'nonce': nonce, 'identity': this.login, }); const payload = this.stringToBase64(rawData); const signature = this.hmac(this.encode(payload), this.encode(this.secret), sha384); const defaultOptions = { 'ws': { 'options': { 'headers': {}, }, }, }; // this.options = this.extend (defaultOptions, this.options); this.extendExchangeOptions(defaultOptions); const originalHeaders = this.options['ws']['options']['headers']; const headers = { 'X-BITOPRO-API': 'ccxt', 'X-BITOPRO-APIKEY': this.apiKey, 'X-BITOPRO-PAYLOAD': payload, 'X-BITOPRO-SIGNATURE': signature, }; this.options['ws']['options']['headers'] = headers; // instantiate client this.client(url); this.options['ws']['options']['headers'] = originalHeaders; } /** * @method * @name bitopro#watchBalance * @description watch balance and get the amount of funds available for trading or funds locked in orders * @see https://github.com/bitoex/bitopro-offical-api-docs/blob/master/ws/private/user_balance_stream.md * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} a [balance structure]{@link https://docs.ccxt.com/#/?id=balance-structure} */ async watchBalance(params = {}) { this.checkRequiredCredentials(); await this.loadMarkets(); const messageHash = 'ACCOUNT_BALANCE'; const url = this.urls['ws']['private'] + '/' + 'account-balance'; this.authenticate(url); return await this.watch(url, messageHash, undefined, messageHash); } handleBalance(client, message) { // // { // "event": "ACCOUNT_BALANCE", // "timestamp": 1650450505715, // "datetime": "2022-04-20T10:28:25.715Z", // "data": { // "ADA": { // "currency": "ADA", // "amount": "0", // "available": "0", // "stake": "0", // "tradable": true // }, // } // } // const event = this.safeString(message, 'event'); const data = this.safeValue(message, 'data'); const timestamp = this.safeInteger(message, 'timestamp'); const datetime = this.safeString(message, 'datetime'); const currencies = Object.keys(data); const result = { 'info': data, 'timestamp': timestamp, 'datetime': datetime, }; for (let i = 0; i < currencies.length; i++) { const currency = this.safeString(currencies, i); const balance = this.safeValue(data, currency); const currencyId = this.safeString(balance, 'currency'); const code = this.safeCurrencyCode(currencyId); const account = this.account(); account['free'] = this.safeString(balance, 'available'); account['total'] = this.safeString(balance, 'amount'); result[code] = account; } this.balance = this.safeBalance(result); client.resolve(this.balance, event); } handleMessage(client, message) { const methods = { 'TRADE': this.handleTrade, 'TICKER': this.handleTicker, 'ORDER_BOOK': this.handleOrderBook, 'ACCOUNT_BALANCE': this.handleBalance, 'USER_TRADE': this.handleMyTrade, }; const event = this.safeString(message, 'event'); const method = this.safeValue(methods, event); if (method !== undefined) { method.call(this, client, message); } } }