From ae5638e0a09340ec6a7a52fcecdf829be80a19d7 Mon Sep 17 00:00:00 2001 From: Thedabest <40519768+Thedabest@users.noreply.github.com> Date: Fri, 23 Nov 2018 21:28:40 +0700 Subject: [PATCH] test --- .gitignore | 61 ++++ README.md | 17 ++ app.js | 247 ++++++++++++++++ package-lock.json | 733 ++++++++++++++++++++++++++++++++++++++++++++++ package.json | 34 +++ peatio/api.js | 27 ++ peatio/utils.js | 5 + searcher.js | 29 ++ 8 files changed, 1153 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 app.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 peatio/api.js create mode 100644 peatio/utils.js create mode 100644 searcher.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ad46b30 --- /dev/null +++ b/.gitignore @@ -0,0 +1,61 @@ +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# TypeScript v1 declaration files +typings/ + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env + +# next.js build output +.next diff --git a/README.md b/README.md new file mode 100644 index 0000000..ddfc12e --- /dev/null +++ b/README.md @@ -0,0 +1,17 @@ +# TradingView Charting Library UDF Data Source + +Sample implementation of server-side UDF-compatible data source for [Peatio exchange](https://www.peatio.com/) for [TradingView](https://www.tradingview.com/) [Charting Library](https://www.tradingview.com/HTML5-stock-forex-bitcoin-charting-library/). + +## Run + +``` +$ npm install +$ npm start +``` + +## Links + +* [Peatio REST API](https://github.com/peatio-exchange/peatio-official-api-docs) +* [TradingView Charting Library](https://www.tradingview.com/HTML5-stock-forex-bitcoin-charting-library/) +* [TradingView Charting Library Demo](https://charting-library.tradingview.com/) +* [TradingView GitHub](https://github.com/tradingview) diff --git a/app.js b/app.js new file mode 100644 index 0000000..981b2cb --- /dev/null +++ b/app.js @@ -0,0 +1,247 @@ +const express = require('express') +const app = express() + +const morgan = require('morgan') +app.use(morgan('tiny')) + +const cors = require('cors') +app.use(cors()) + +const PeatioUtils = require('./peatio/utils') +const PeatioAPI = require('./peatio/api') +const peatio = new PeatioAPI() + +var symbols = [] + +const Searcher = require('./searcher') +var searcher = new Searcher([]) + +const SEPARATE_BY_QUOTE = true + +const RESOLUTIONS_INTERVALS_MAP = { + '1': '1m', + '3': '3m', + '5': '5m', + '15': '15m', + '30': '30m', + '60': '1h', + '120': '2h', + '240': '4h', + '360': '6h', + '480': '8h', + '720': '12h', + 'D': '1d', + '1D': '1d', + '3D': '3d', + 'W': '1w', + '1W': '1w', + 'M': '1M', + '1M': '1M', +} + +function convertSymbolToSearch(symbol) { + return { + symbol: symbol.symbol, + full_name: symbol.symbol, + description: symbol.baseAsset + ' / ' + symbol.quoteAsset, + ticker: symbol.symbol, + exchange: 'PEATIO', + type: SEPARATE_BY_QUOTE ? symbol.quoteAsset.toLowerCase() : 'crypto' + } +} + +function convertSymbolToResolve(symbol) { + function pricescale(symbol) { + for (let filter of symbol.filters) { + if (filter.filterType == 'PRICE_FILTER') { + return Math.round(1 / parseFloat(filter.tickSize)) + } + } + return 1 + } + + return { + name: symbol.symbol, + ticker: symbol.symbol, + description: `${symbol.baseAsset}/${symbol.quoteAsset}`, + type: SEPARATE_BY_QUOTE ? symbol.quoteAsset.toLowerCase() : 'crypto', + session: '24x7', + exchange: 'PEATIO', + listed_exchange: 'PEATIO', + timezone: 'Etc/UTC', + has_intraday: true, + has_daily: true, + has_weekly_and_monthly: true, + pricescale: pricescale(symbol), + minmovement: 1, + minmov: 1, + minmovement2: 0, + minmov2: 0, + } +} + +function convertKlinesToBars(klines) { + return { + s: 'ok', + t: klines.map(b => Math.floor(b[0] / 1000)), + c: klines.map(b => parseFloat(b[4])), + o: klines.map(b => parseFloat(b[1])), + h: klines.map(b => parseFloat(b[2])), + l: klines.map(b => parseFloat(b[3])), + v: klines.map(b => parseFloat(b[5])) + } +} + +function resolve(ticker) { + const comps = ticker.split(':') + const exchange = (comps.length > 1 ? comps[0] : '').toUpperCase() + const symbol = (comps.length > 1 ? comps[1] : ticker).toUpperCase() + + for (let item of symbols) { + if (item.symbol == symbol && (exchange.length == 0 || exchange == 'PEATIO')) { + return item + } + } + return null +} + +app.get('/config', (req, res) => { + let symbolsTypes = [] + if (SEPARATE_BY_QUOTE) { + const quotes = PeatioUtils.quotes(symbols) + .sort(String.localeCompare) + .map((s) => { return { name: s, value: s.toLowerCase() } }) + + symbolsTypes = [{ name: 'All', value: '' }].concat(quotes) + } else { + symbolsTypes = [{ + name: 'Cryptocurrency', + value: 'crypto' + }] + } + + res.send({ + supports_search: true, + supports_group_request: false, + supports_marks: false, + supports_timescale_marks: false, + supports_time: true, + exchanges: [ + { + value: 'PEATIO', + name: 'Peatio', + desc: '' + } + ], + symbols_types: symbolsTypes, + supported_resolutions: [ + '1', '3', '5', '15', '30', // Minutes + '60', '120', '240', '360', '480', '720', // Hours + '1D', '3D', // Days + '1W', // Weeks + '1M' // Months + ] + }) +}) + +app.get('/symbols', (req, res) => { + if (!req.query.symbol) { + return res.status(400).send({ s: 'error', errmsg: 'Need symbol in query' }) + } + + const symbol = resolve(req.query.symbol) + if (!symbol) { + return res.status(404).send({ s: 'no_data' }) + } + + res.send(convertSymbolToResolve(symbol)) +}) + +app.get('/search', (req, res) => { + res.send(searcher.search( + req.query.query, + req.query.type, + req.query.exchange, + req.query.limit + )) +}) + +app.get('/history', (req, res) => { + let from = req.query.from + if (!from) { + return res.status(400).send({s: 'error', errmsg: 'Need from in query'}) + } + + let to = req.query.to + if (!to) { + return res.status(400).send({s: 'error', errmsg: 'Need to in query'}) + } + + from *= 1000 + to *= 1000 + + if (!req.query.symbol) { + return res.status(400).send({s: 'error', errmsg: 'Need symbol in query'}) + } + + if (!req.query.resolution) { + return res.status(400).send({s: 'error', errmsg: 'Need resolution in query'}) + } + + const interval = RESOLUTIONS_INTERVALS_MAP[req.query.resolution] + if (!interval) { + return res.status(400).send({s: 'error', errmsg: 'Unsupported resolution'}) + } + + //console.log('------------------------------') + //console.log('From:', new Date(from).toUTCString()) + //console.log('To: ', new Date(to).toUTCString()) + + let totalKlines = [] + + function finishKlines() { + //console.log('Total:', totalKlines.length) + if (totalKlines.length == 0) { + res.send({ + s: 'no_data' + }) + } else { + res.send(convertKlinesToBars(totalKlines)) + } + } + + function getKlines(from, to) { + peatio.klines(req.query.symbol, interval, from, to, 500).then(klines => { + totalKlines = totalKlines.concat(klines) + //console.log(klines.length) + + if (klines.length == 500) { + from = klines[klines.length - 1][0] + 1 + getKlines(from, to) + } else { + finishKlines() + } + }).catch(err => { + console.error(err) + res.status(500).send({s: 'error', errmsg: 'Internal error'}) + }) + } + + getKlines(from, to) +}) + +app.get('/time', (req, res) => { + peatio.time().then(json => { + res.send(Math.floor(json.serverTime / 1000) + '') + }).catch(err => { + console.error(err) + res.status(500).send() + }) +}) + +function listen() { + const port = process.env.PORT || 8888 + app.listen(port, () => { + console.log(`Listening on port ${port}\n`) + }) +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..d6ed02c --- /dev/null +++ b/package-lock.json @@ -0,0 +1,733 @@ +{ + "name": "tradingview-udf-peatio-node", + "version": "0.1.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "accepts": { + "version": "1.3.5", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz", + "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=", + "requires": { + "mime-types": "~2.1.18", + "negotiator": "0.6.1" + } + }, + "ajv": { + "version": "5.5.2", + "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz", + "integrity": 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"version": "1.10.0", + "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz", + "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=", + "requires": { + "assert-plus": "^1.0.0", + "core-util-is": "1.0.2", + "extsprintf": "^1.2.0" + } + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..dd0bb3f --- /dev/null +++ b/package.json @@ -0,0 +1,34 @@ +{ + "name": "tradingview-udf-peatio-node", + "version": "0.1.0", + "description": "Sample implementation of TradingView Charting Library UDF-compatible data source for Peatio exchange", + "main": "app.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1", + "start": "node app.js" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/bergusman/tradingview-udf-peatio-node.git" + }, + "author": "Vitaly Berg ", + "license": "MIT", + "bugs": { + "url": "https://github.com/bergusman/tradingview-udf-peatio-node/issues" + }, + "homepage": "https://github.com/bergusman/tradingview-udf-peatio-node#readme", + "keywords": [ + "udf", + "tradingview", + "crypto", + "peatio", + "exchange", + "api" + ], + "dependencies": { + "cors": "^2.8.4", + "express": "^4.16.3", + "morgan": "^1.9.0", + "request": "^2.88.0" + } +} diff --git a/peatio/api.js b/peatio/api.js new file mode 100644 index 0000000..90a7674 --- /dev/null +++ b/peatio/api.js @@ -0,0 +1,27 @@ +const request = require('request') + +module.exports = class PeatioAPI { + time() { + return this.request('/api/v1/timestamp') + } + + klines(symbol, interval, startTime, endTime, limit) { + return this.request('/api/v2/k_with_pending_trades', { qs: { symbol, interval, startTime, endTime, limit } }) + } + + request(path, options) { + return new Promise((resolve, reject) => { + request('http://api.wb.local' + path, options, (err, res, body) => { + if (err) return reject(err) + + try { + const json = JSON.parse(body) + if (json.code) return reject(new Error(`${json.code}: ${json.msg}`)) + resolve(json) + } catch (err) { + reject(err) + } + }) + }) + } +} diff --git a/peatio/utils.js b/peatio/utils.js new file mode 100644 index 0000000..37e0260 --- /dev/null +++ b/peatio/utils.js @@ -0,0 +1,5 @@ +module.exports = { + quotes: (symbols) => { + return [...symbols.reduce((a, s) => a.add(s.quoteAsset), new Set())] + } +} diff --git a/searcher.js b/searcher.js new file mode 100644 index 0000000..cdb372d --- /dev/null +++ b/searcher.js @@ -0,0 +1,29 @@ +module.exports = class Searcher { + constructor(symbols) { + this.symbols = symbols.sort((a, b) => a.symbol.localeCompare(b.symbol) ) + } + + search(query, type, exchange, limit) { + query = (query || '').toUpperCase() + type = type || '' + exchange = exchange || '' + limit = parseInt(limit) || this.symbols.length + + let result = [] + + for (let symbol of this.symbols) { + if (type.length > 0 && type != symbol.type) { + continue + } + if (exchange.length > 0 && exchange != symbol.exchange) { + continue + } + + if (symbol.symbol.toUpperCase().indexOf(query) >= 0) { + result.push(symbol) + } + } + + return result.slice(0, limit) + } +}