First commit
Add build directory Remove build folder contents Ignore build folder changes
This commit is contained in:
commit
eb6363e121
3
.gitignore
vendored
Normal file
3
.gitignore
vendored
Normal file
@ -0,0 +1,3 @@
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node_modules
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dist
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build
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4
build.sh
Normal file
4
build.sh
Normal file
@ -0,0 +1,4 @@
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npm run build;
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cp -r dist build
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cp index.html build
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cp styles.css build
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0
build/.keep
Normal file
0
build/.keep
Normal file
0
dist/.keep
vendored
Normal file
0
dist/.keep
vendored
Normal file
12
index.html
Normal file
12
index.html
Normal file
@ -0,0 +1,12 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>REX</title>
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<link rel="stylesheet" href="./styles.css">
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</head>
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<body>
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<script src="/dist/app.js"></script>
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</body>
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</html>
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559
package-lock.json
generated
Normal file
559
package-lock.json
generated
Normal file
@ -0,0 +1,559 @@
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{
|
||||
"name": "ui",
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"version": "1.0.0",
|
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"lockfileVersion": 3,
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"requires": true,
|
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"packages": {
|
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"": {
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"name": "ui",
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"version": "1.0.0",
|
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"license": "ISC",
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"dependencies": {
|
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"chart.js": "^4.4.1",
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"handlebars": "^4.7.8",
|
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"react": "^18.2.0",
|
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"react-chartjs-2": "^5.2.0",
|
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"react-dom": "^18.2.0"
|
||||
},
|
||||
"devDependencies": {
|
||||
"esbuild": "^0.19.11"
|
||||
}
|
||||
},
|
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|
||||
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|
||||
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|
||||
"node_modules/@kurkle/color": {
|
||||
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|
||||
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||||
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||||
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"version": "4.4.1",
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"resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.1.tgz",
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|
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||||
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|
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||||
"dev": true,
|
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"hasInstallScript": true,
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|
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"@esbuild/win32-x64": "0.19.11"
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"node_modules/handlebars": {
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"minimist": "^1.2.5",
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"neo-async": "^2.6.2",
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"wordwrap": "^1.0.0"
|
||||
},
|
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"bin": {
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||||
"handlebars": "bin/handlebars"
|
||||
},
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"engines": {
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"node": ">=0.4.7"
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"node_modules/js-tokens": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
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"integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
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},
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"node_modules/loose-envify": {
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"version": "1.4.0",
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"resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
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"integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
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"dependencies": {
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"js-tokens": "^3.0.0 || ^4.0.0"
|
||||
},
|
||||
"bin": {
|
||||
"loose-envify": "cli.js"
|
||||
}
|
||||
},
|
||||
"node_modules/minimist": {
|
||||
"version": "1.2.8",
|
||||
"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
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"integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
|
||||
"funding": {
|
||||
"url": "https://github.com/sponsors/ljharb"
|
||||
}
|
||||
},
|
||||
"node_modules/neo-async": {
|
||||
"version": "2.6.2",
|
||||
"resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
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"integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
|
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},
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"node_modules/react": {
|
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"version": "18.2.0",
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"resolved": "https://registry.npmjs.org/react/-/react-18.2.0.tgz",
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"integrity": "sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==",
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"dependencies": {
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"loose-envify": "^1.1.0"
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},
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"engines": {
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"node": ">=0.10.0"
|
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}
|
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},
|
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"node_modules/react-chartjs-2": {
|
||||
"version": "5.2.0",
|
||||
"resolved": "https://registry.npmjs.org/react-chartjs-2/-/react-chartjs-2-5.2.0.tgz",
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"integrity": "sha512-98iN5aguJyVSxp5U3CblRLH67J8gkfyGNbiK3c+l1QI/G4irHMPQw44aEPmjVag+YKTyQ260NcF82GTQ3bdscA==",
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"peerDependencies": {
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"chart.js": "^4.1.1",
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"react": "^16.8.0 || ^17.0.0 || ^18.0.0"
|
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}
|
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},
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"node_modules/react-dom": {
|
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"version": "18.2.0",
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"resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.2.0.tgz",
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"integrity": "sha512-6IMTriUmvsjHUjNtEDudZfuDQUoWXVxKHhlEGSk81n4YFS+r/Kl99wXiwlVXtPBtJenozv2P+hxDsw9eA7Xo6g==",
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"dependencies": {
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"loose-envify": "^1.1.0",
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"scheduler": "^0.23.0"
|
||||
},
|
||||
"peerDependencies": {
|
||||
"react": "^18.2.0"
|
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}
|
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},
|
||||
"node_modules/scheduler": {
|
||||
"version": "0.23.0",
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"resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.0.tgz",
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"integrity": "sha512-CtuThmgHNg7zIZWAXi3AsyIzA3n4xx7aNyjwC2VJldO2LMVDhFK+63xGqq6CsJH4rTAt6/M+N4GhZiDYPx9eUw==",
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"dependencies": {
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"loose-envify": "^1.1.0"
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}
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},
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"node_modules/source-map": {
|
||||
"version": "0.6.1",
|
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"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
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"integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
|
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"engines": {
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"node": ">=0.10.0"
|
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}
|
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},
|
||||
"node_modules/uglify-js": {
|
||||
"version": "3.17.4",
|
||||
"resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
|
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"integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
|
||||
"optional": true,
|
||||
"bin": {
|
||||
"uglifyjs": "bin/uglifyjs"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=0.8.0"
|
||||
}
|
||||
},
|
||||
"node_modules/wordwrap": {
|
||||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
|
||||
"integrity": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q=="
|
||||
}
|
||||
}
|
||||
}
|
||||
22
package.json
Normal file
22
package.json
Normal file
@ -0,0 +1,22 @@
|
||||
{
|
||||
"name": "ui",
|
||||
"version": "1.0.0",
|
||||
"description": "",
|
||||
"main": "index.js",
|
||||
"scripts": {
|
||||
"build": "esbuild src/app.jsx --outdir=dist --minify --sourcemap --jsx=automatic --bundle",
|
||||
"server": "esbuild src/app.jsx --outdir=dist --minify --sourcemap --jsx=automatic --bundle --watch --servedir=."
|
||||
},
|
||||
"author": "Tim Kächele",
|
||||
"license": "AGPL-3.0-only",
|
||||
"devDependencies": {
|
||||
"esbuild": "^0.19.11"
|
||||
},
|
||||
"dependencies": {
|
||||
"chart.js": "^4.4.1",
|
||||
"handlebars": "^4.7.8",
|
||||
"react": "^18.2.0",
|
||||
"react-chartjs-2": "^5.2.0",
|
||||
"react-dom": "^18.2.0"
|
||||
}
|
||||
}
|
||||
83
src/app.jsx
Normal file
83
src/app.jsx
Normal file
@ -0,0 +1,83 @@
|
||||
import { createRoot } from 'react-dom/client';
|
||||
import AppLayout from './components/app_layout';
|
||||
import WebsocketConnection from './ws';
|
||||
import { getUserId } from './user_id_store';
|
||||
import { OrderStore } from './order_store';
|
||||
import { TradeStore } from './trade_store';
|
||||
import { PriceStore } from './price_store';
|
||||
import OrderBook from './order_book';
|
||||
|
||||
let socket = new WebsocketConnection({url: "ws://localhost:8080"})
|
||||
window.socket = socket;
|
||||
|
||||
socket.connect()
|
||||
socket.authenticate(getUserId())
|
||||
socket.fetchOrderBook()
|
||||
socket.fetchOrders()
|
||||
socket.fetchTrades()
|
||||
|
||||
document.body.innerHTML = '<div id="app"></div>';
|
||||
|
||||
const root = createRoot(document.getElementById('app'));
|
||||
|
||||
let orderStore = new OrderStore();
|
||||
let orderBook = new OrderBook();
|
||||
let tradeStore = new TradeStore(30);
|
||||
let priceStore = new PriceStore(50);
|
||||
|
||||
const render = () => {
|
||||
root.render(AppLayout({
|
||||
trades: tradeStore.getTrades(),
|
||||
orders: orderStore.getOrders(),
|
||||
orderBook: {
|
||||
buy: orderBook.buyEntries(),
|
||||
sell: orderBook.sellEntries(),
|
||||
},
|
||||
prices: {
|
||||
labels: priceStore.getLabels(),
|
||||
prices: priceStore.getPrices()
|
||||
}
|
||||
}));
|
||||
}
|
||||
|
||||
|
||||
|
||||
const handleOrderCreationEvent = (event) => {
|
||||
orderStore.handleOrderCreatedEvent(event.data)
|
||||
render()
|
||||
}
|
||||
|
||||
socket.setHandler("OrderCreatedEvent", handleOrderCreationEvent)
|
||||
socket.setHandler("OrderFetchEvent", handleOrderCreationEvent)
|
||||
|
||||
socket.setHandler("OrderFillEvent", (event) => {
|
||||
orderStore.handleOrderFillEvent(event.data)
|
||||
render()
|
||||
})
|
||||
|
||||
socket.setHandler("OrderCancelledEvent", (event) => {
|
||||
orderStore.handleOrderCancelledEvent(event.data)
|
||||
render()
|
||||
})
|
||||
|
||||
const handleTradeEvent = (event) => {
|
||||
priceStore.handleTradeEvent(event.data)
|
||||
tradeStore.handleTradeEvent(event.data)
|
||||
render()
|
||||
}
|
||||
|
||||
socket.setHandler("TradeEvent", handleTradeEvent)
|
||||
socket.setHandler("TradeFetchEvent", handleTradeEvent)
|
||||
|
||||
const orderBookUpdateHandler = (event) => {
|
||||
orderBook.processUpdate(event.data)
|
||||
render()
|
||||
}
|
||||
|
||||
socket.setHandler("OrderBookUpdateEvent", orderBookUpdateHandler)
|
||||
socket.setHandler("OrderBookFetchEvent", orderBookUpdateHandler)
|
||||
|
||||
render()
|
||||
|
||||
|
||||
|
||||
25
src/components/app_layout.jsx
Normal file
25
src/components/app_layout.jsx
Normal file
@ -0,0 +1,25 @@
|
||||
import TradeList from './trade_list'
|
||||
import { OrderForm } from './order_form'
|
||||
import OrderBook from './order_book'
|
||||
import OrderView from './order_view'
|
||||
import PriceChart from './price_chart'
|
||||
|
||||
export default function AppLayout(props) {
|
||||
return(
|
||||
<div className="grid">
|
||||
<div className="left-sidebar">
|
||||
<OrderBook buyLimits={props.orderBook.buy} sellLimits={props.orderBook.sell}/>
|
||||
</div>
|
||||
<div className="center-top">
|
||||
<PriceChart labels={props.prices.labels} data={props.prices.prices}/>
|
||||
</div>
|
||||
<div className="center-bottom">
|
||||
<OrderForm />
|
||||
<OrderView orders={props.orders}/>
|
||||
</div>
|
||||
<div className="right-sidebar">
|
||||
<TradeList trades={props.trades}/>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
51
src/components/order_book.jsx
Normal file
51
src/components/order_book.jsx
Normal file
@ -0,0 +1,51 @@
|
||||
export default function OrderBook(props) {
|
||||
const buyLimits = props.buyLimits;
|
||||
const sellLimits = props.sellLimits;
|
||||
return(
|
||||
<article>
|
||||
<h1>Order book</h1>
|
||||
<section>
|
||||
<h1>Buy</h1>
|
||||
<table className="buy-table">
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Price</th>
|
||||
<th>Quantity</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{buyLimits.map((limit) => {
|
||||
return (
|
||||
<tr key={limit.price}>
|
||||
<td class="text-end">{limit.price}</td>
|
||||
<td class="text-end">{limit.quantity}</td>
|
||||
</tr>
|
||||
);
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
</section>
|
||||
<section>
|
||||
<h1>Sell</h1>
|
||||
<table className="buy-table">
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Price</th>
|
||||
<th>Quantity</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{sellLimits.map((limit) => {
|
||||
return (
|
||||
<tr key={limit.price}>
|
||||
<td class="text-end">{limit.price}</td>
|
||||
<td class="text-end">{limit.quantity}</td>
|
||||
</tr>
|
||||
);
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
</section>
|
||||
</article>
|
||||
)
|
||||
}
|
||||
43
src/components/order_form.jsx
Normal file
43
src/components/order_form.jsx
Normal file
@ -0,0 +1,43 @@
|
||||
export function OrderForm(props) {
|
||||
const socket = window.socket;
|
||||
|
||||
const submitCallback = ((event) => {
|
||||
event.preventDefault()
|
||||
|
||||
const formData = new FormData(event.target);
|
||||
const price = parseInt(formData.get("price"))
|
||||
const quantity = parseInt(formData.get("quantity"))
|
||||
const side = formData.get("side")
|
||||
event.target.reset();
|
||||
socket.sendTrade({
|
||||
price,
|
||||
quantity,
|
||||
side
|
||||
})
|
||||
}).bind(this)
|
||||
|
||||
return(
|
||||
<form class="order-form" onSubmit={submitCallback}>
|
||||
<div className="row">
|
||||
<div className="field-set">
|
||||
<label htmlFor="price-input">Price</label>
|
||||
<input required id="price-input" name="price" type="number"/>
|
||||
</div>
|
||||
<div className="field-set">
|
||||
<label htmlFor="quantity-input">Quantity</label>
|
||||
<input required id="quantity-input" name="quantity" min="0" type="number"/>
|
||||
</div>
|
||||
<div className="field-set">
|
||||
<label htmlFor="side-input">Side</label>
|
||||
<select name="side" id="side-input">
|
||||
<option value="buy">BUY</option>
|
||||
<option value="sell">SELL</option>
|
||||
</select>
|
||||
</div>
|
||||
<div className="field-set">
|
||||
<input type="submit" value="Create Order"/>
|
||||
</div>
|
||||
</div>
|
||||
</form>
|
||||
)
|
||||
}
|
||||
39
src/components/order_view.jsx
Normal file
39
src/components/order_view.jsx
Normal file
@ -0,0 +1,39 @@
|
||||
const fillState = (order) => {
|
||||
return ((order.quantity - order.remaining_quantity) / order.quantity) * 100;
|
||||
}
|
||||
|
||||
export default function OrderView(props) {
|
||||
const socket = window.socket;
|
||||
const orders = props.orders || []
|
||||
|
||||
const cancelOrder = ((event, orderId) => {
|
||||
socket.sendCancelOrder(orderId)
|
||||
}).bind(this)
|
||||
|
||||
return(
|
||||
<table>
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Limit</th>
|
||||
<th>Side</th>
|
||||
<th>Quantity</th>
|
||||
<th>Remaining Quantity</th>
|
||||
<th>Cancel</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{orders.map((order) => {
|
||||
return(
|
||||
<tr key={order.id}>
|
||||
<td class="text-end">{order.price}</td>
|
||||
<td class="text-center">{order.side}</td>
|
||||
<td class="text-end">{order.quantity}</td>
|
||||
<td class="text-end">{order.remaining_quantity}</td>
|
||||
<td><button onClick={(event) => { cancelOrder(event, order.id) }}>Cancel</button></td>
|
||||
</tr>
|
||||
)
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
)
|
||||
}
|
||||
54
src/components/price_chart.jsx
Normal file
54
src/components/price_chart.jsx
Normal file
@ -0,0 +1,54 @@
|
||||
import {
|
||||
Chart as ChartJS,
|
||||
CategoryScale,
|
||||
LinearScale,
|
||||
PointElement,
|
||||
LineElement,
|
||||
Title,
|
||||
Tooltip,
|
||||
Legend,
|
||||
} from 'chart.js';
|
||||
import { Line } from 'react-chartjs-2';
|
||||
|
||||
ChartJS.register(
|
||||
CategoryScale,
|
||||
LinearScale,
|
||||
PointElement,
|
||||
LineElement,
|
||||
Title,
|
||||
Tooltip,
|
||||
Legend
|
||||
);
|
||||
|
||||
export default function PriceChart(props) {
|
||||
const options = {
|
||||
responsive: true,
|
||||
maintainAspectRatio: false,
|
||||
animation: false,
|
||||
plugins: {
|
||||
legend: {
|
||||
position: 'top',
|
||||
},
|
||||
title: {
|
||||
display: true,
|
||||
text: 'Price History',
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
const data = {
|
||||
labels: props.labels,
|
||||
datasets: [
|
||||
{
|
||||
label: "Price",
|
||||
data: props.data,
|
||||
borderColor: '#000000',
|
||||
}]
|
||||
}
|
||||
|
||||
return(
|
||||
<div style={{ position: "relative", height: "100%" }}>
|
||||
<Line options={options} data={data} />
|
||||
</div>
|
||||
);
|
||||
}
|
||||
25
src/components/trade_list.jsx
Normal file
25
src/components/trade_list.jsx
Normal file
@ -0,0 +1,25 @@
|
||||
export default function TradeList(props) {
|
||||
return(
|
||||
<article>
|
||||
<h1>Trades</h1>
|
||||
<table>
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Quantity</th>
|
||||
<th>Price</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{props.trades.toReversed().map((trade) => {
|
||||
return(
|
||||
<tr key={trade.id}>
|
||||
<td class="text-end">{trade.quantity}</td>
|
||||
<td class="text-end">{trade.price} €</td>
|
||||
</tr>
|
||||
)
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
</article>
|
||||
)
|
||||
}
|
||||
37
src/order_book.js
Normal file
37
src/order_book.js
Normal file
@ -0,0 +1,37 @@
|
||||
export default class OrderBook {
|
||||
constructor() {
|
||||
this.buySide = new Map()
|
||||
this.sellSide = new Map()
|
||||
}
|
||||
|
||||
processUpdate(orderbookUpdate) {
|
||||
let side = null;
|
||||
if(orderbookUpdate.side == "buy") {
|
||||
side = this.buySide;
|
||||
} else {
|
||||
side = this.sellSide;
|
||||
}
|
||||
|
||||
if (orderbookUpdate.quantity == 0) {
|
||||
side.delete(orderbookUpdate.price)
|
||||
} else {
|
||||
side.set(orderbookUpdate.price, orderbookUpdate)
|
||||
}
|
||||
}
|
||||
|
||||
buyEntries() {
|
||||
let keys = Array.from(this.buySide.keys())
|
||||
|
||||
return keys.sort((a,b) => { return a - b }).map((key) => {
|
||||
return this.buySide.get(key)
|
||||
})
|
||||
}
|
||||
|
||||
sellEntries() {
|
||||
let keys = Array.from(this.sellSide.keys())
|
||||
|
||||
return keys.sort((a,b) => { return a - b }).map((key) => {
|
||||
return this.sellSide.get(key)
|
||||
})
|
||||
}
|
||||
}
|
||||
31
src/order_store.js
Normal file
31
src/order_store.js
Normal file
@ -0,0 +1,31 @@
|
||||
export class OrderStore {
|
||||
constructor() {
|
||||
this.orders = new Map();
|
||||
}
|
||||
|
||||
getOrders() {
|
||||
return Array.from(this.orders.values());
|
||||
}
|
||||
|
||||
handleOrderCreatedEvent(event) {
|
||||
this.orders.set(event.id, event)
|
||||
}
|
||||
|
||||
handleOrderCancelledEvent(event) {
|
||||
this.orders.delete(event.id)
|
||||
}
|
||||
|
||||
handleOrderFillEvent(event) {
|
||||
let order = this.orders.get(event.id)
|
||||
if (!order) {
|
||||
return
|
||||
}
|
||||
|
||||
order.remaining_quantity = event.remaining_quantity
|
||||
if (order.remaining_quantity == 0) {
|
||||
this.orders.delete(event.id)
|
||||
} else {
|
||||
this.orders.set(event.id, order)
|
||||
}
|
||||
}
|
||||
}
|
||||
30
src/price_store.js
Normal file
30
src/price_store.js
Normal file
@ -0,0 +1,30 @@
|
||||
export class PriceStore {
|
||||
constructor(historyRetention) {
|
||||
this.historyRetention = historyRetention
|
||||
this.counter = 0
|
||||
this.labels = []
|
||||
this.prices = []
|
||||
}
|
||||
|
||||
handleTradeEvent(event) {
|
||||
this.counter = this.counter + 1;
|
||||
this.labels.push(this.counter)
|
||||
this.prices.push(event.price)
|
||||
|
||||
if (this.labels.length > this.historyRetention + 1) {
|
||||
this.labels.shift()
|
||||
}
|
||||
|
||||
if (this.prices.length > this.historyRetention ) {
|
||||
this.prices.shift()
|
||||
}
|
||||
}
|
||||
|
||||
getLabels() {
|
||||
return this.labels;
|
||||
}
|
||||
|
||||
getPrices() {
|
||||
return this.prices;
|
||||
}
|
||||
}
|
||||
18
src/trade_store.js
Normal file
18
src/trade_store.js
Normal file
@ -0,0 +1,18 @@
|
||||
export class TradeStore {
|
||||
constructor(maxBacklog) {
|
||||
this.maxBacklog = maxBacklog
|
||||
this.trades = [];
|
||||
}
|
||||
|
||||
getTrades() {
|
||||
return this.trades
|
||||
}
|
||||
|
||||
handleTradeEvent(event) {
|
||||
this.trades.push(event)
|
||||
|
||||
if (this.trades.length > this.maxBacklog) {
|
||||
this.trades.shift();
|
||||
}
|
||||
}
|
||||
}
|
||||
11
src/user_id_store.js
Normal file
11
src/user_id_store.js
Normal file
@ -0,0 +1,11 @@
|
||||
export const getUserId = () => {
|
||||
let storedUserId = localStorage.getItem("auth.user_id")
|
||||
if (storedUserId) {
|
||||
return storedUserId
|
||||
}
|
||||
|
||||
let userId = crypto.randomUUID();
|
||||
localStorage.setItem("auth.user_id", userId);
|
||||
|
||||
return userId;
|
||||
}
|
||||
140
src/ws.js
Normal file
140
src/ws.js
Normal file
@ -0,0 +1,140 @@
|
||||
export default class WebsocketConnection {
|
||||
constructor(config) {
|
||||
this.config = config
|
||||
this.requestId = 0
|
||||
this.connected = false
|
||||
this.handleMessage = this.handleMessage.bind(this)
|
||||
this.messageQueue= []
|
||||
this.handlers = {}
|
||||
}
|
||||
|
||||
handleMessage(message) {
|
||||
const rawData = message.data
|
||||
const data = JSON.parse(rawData)
|
||||
|
||||
const handler = this.handlers[data["name"]]
|
||||
|
||||
if (handler !== undefined && handler !== null) {
|
||||
handler(data)
|
||||
}
|
||||
}
|
||||
|
||||
setHandler(eventName, handler) {
|
||||
this.handlers[eventName] = handler
|
||||
}
|
||||
|
||||
connect() {
|
||||
this.websocket = new WebSocket(this.config.url);
|
||||
this.websocket.onopen = () => {
|
||||
this.connected = true;
|
||||
this.flushMessageQueue();
|
||||
}
|
||||
|
||||
this.websocket.onmessage = this.handleMessage
|
||||
|
||||
this.onclose = function() {
|
||||
this.connected = false
|
||||
}
|
||||
}
|
||||
|
||||
authenticate(userId) {
|
||||
let authRequest = {
|
||||
request_id: this.nextRequestId(),
|
||||
type: "request",
|
||||
name: "authenticate",
|
||||
args: {
|
||||
user_id: userId
|
||||
},
|
||||
}
|
||||
|
||||
this.sendMessage(authRequest)
|
||||
}
|
||||
|
||||
sendCancelOrder(orderId) {
|
||||
const cancelRequest = {
|
||||
type: "request",
|
||||
request_id: this.nextRequestId(),
|
||||
name: "order.cancel",
|
||||
args: {
|
||||
id: orderId
|
||||
}
|
||||
}
|
||||
this.sendMessage(cancelRequest)
|
||||
}
|
||||
|
||||
sendTrade(tradeData) {
|
||||
const tradeRequest = {
|
||||
type: "request",
|
||||
request_id: this.nextRequestId(),
|
||||
name: "order.create",
|
||||
args: {
|
||||
price: tradeData.price,
|
||||
quantity: tradeData.quantity,
|
||||
side: tradeData.side
|
||||
}
|
||||
}
|
||||
|
||||
this.sendMessage(tradeRequest);
|
||||
}
|
||||
|
||||
fetchOrders() {
|
||||
const fetchOrdersRequest = {
|
||||
type: "request",
|
||||
request_id: this.nextRequestId(),
|
||||
name: "orders.fetch",
|
||||
args: {
|
||||
}
|
||||
}
|
||||
|
||||
this.sendMessage(fetchOrdersRequest);
|
||||
}
|
||||
|
||||
fetchOrderBook() {
|
||||
const fetchOrderBookRequest = {
|
||||
type: "request",
|
||||
request_id: this.nextRequestId(),
|
||||
name: "orderbook.fetch",
|
||||
args: {
|
||||
}
|
||||
}
|
||||
|
||||
this.sendMessage(fetchOrderBookRequest);
|
||||
}
|
||||
|
||||
fetchTrades() {
|
||||
const fetchTradesRequest = {
|
||||
type: "request",
|
||||
request_id: this.nextRequestId(),
|
||||
name: "trades.fetch",
|
||||
args: {
|
||||
}
|
||||
}
|
||||
|
||||
this.sendMessage(fetchTradesRequest);
|
||||
}
|
||||
|
||||
flushMessageQueue() {
|
||||
let i = 0
|
||||
while(this.messageQueue.length != 0) {
|
||||
i++;
|
||||
let message = this.messageQueue.shift()
|
||||
this.websocket.send(message)
|
||||
}
|
||||
}
|
||||
|
||||
sendMessage(obj) {
|
||||
const serializedMessage = JSON.stringify(obj);
|
||||
|
||||
if (this.connected) {
|
||||
this.websocket.send(serializedMessage);
|
||||
} else {
|
||||
// Hold the message till we are connected again
|
||||
this.messageQueue.push(serializedMessage)
|
||||
}
|
||||
}
|
||||
|
||||
nextRequestId() {
|
||||
this.requestId += 1;
|
||||
return this.requestId;
|
||||
}
|
||||
}
|
||||
104
styles.css
Normal file
104
styles.css
Normal file
@ -0,0 +1,104 @@
|
||||
*, *:before, *:after {
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
body {
|
||||
width: 90%;
|
||||
margin: 0 auto;
|
||||
padding: 0;
|
||||
font-family: Helvetica, Arial, sans-serif;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
/**
|
||||
* Grid
|
||||
*/
|
||||
.grid {
|
||||
display: grid;
|
||||
grid-template-columns: [left] 25% [left-end center] auto [center-end right] 25% [right-end];
|
||||
grid-template-rows: [top] 50% [bottom] 50% [bottom-end];
|
||||
height: 100vh;
|
||||
}
|
||||
|
||||
.left-sidebar {
|
||||
grid-column-start: left;
|
||||
grid-column-end: span left-end;
|
||||
grid-row-start: top;
|
||||
grid-row-end: span bottom-end;
|
||||
padding: 1rem;
|
||||
}
|
||||
|
||||
.right-sidebar {
|
||||
grid-column-start: right;
|
||||
grid-column-end: right-end;
|
||||
grid-row-start: top;
|
||||
grid-row-end: span bottom-end;
|
||||
padding: 1rem;
|
||||
}
|
||||
|
||||
.center-top {
|
||||
grid-column-start: center;
|
||||
grid-column-end: center-end;
|
||||
padding: 1rem;
|
||||
}
|
||||
|
||||
.center-bottom {
|
||||
grid-column-start: center;
|
||||
grid-column-end: center-end;
|
||||
padding: 1rem;
|
||||
}
|
||||
|
||||
input, select, option, button {
|
||||
font-size: inherit;
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
label {
|
||||
display: block;
|
||||
margin-bottom: 0.25rem;
|
||||
}
|
||||
|
||||
table {
|
||||
width: 100%;
|
||||
border: 1px solid black;
|
||||
border-collapse: collapse;
|
||||
}
|
||||
|
||||
td, th {
|
||||
border-bottom: 1px solid black;
|
||||
border-right: 1px solid black;
|
||||
padding: 0.25rem;
|
||||
}
|
||||
|
||||
th {
|
||||
background: black;
|
||||
color: white;
|
||||
border: 1px solid black;
|
||||
}
|
||||
|
||||
.order-form {
|
||||
margin-bottom: 1rem;
|
||||
}
|
||||
|
||||
.row {
|
||||
width: 100%;
|
||||
display: flex;
|
||||
align-items: flex-end;
|
||||
}
|
||||
|
||||
.field-set {
|
||||
flex-grow: 1;
|
||||
margin-right: 1rem;
|
||||
}
|
||||
|
||||
.field-set:last-child {
|
||||
margin-right: 0;
|
||||
}
|
||||
|
||||
.text-center {
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.text-end {
|
||||
text-align: right;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user