React框架初始化
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myh
parent
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21
frontend/.gitignore
vendored
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21
frontend/.gitignore
vendored
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# See https://help.github.com/ignore-files/ for more about ignoring files.
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# dependencies
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/node_modules
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# testing
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/coverage
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# production
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/build
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# misc
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.DS_Store
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.env.local
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.env.development.local
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.env.test.local
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.env.production.local
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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2444
frontend/README.md
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2444
frontend/README.md
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Load Diff
19227
frontend/package-lock.json
generated
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19227
frontend/package-lock.json
generated
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25
frontend/package.json
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frontend/package.json
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{
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"name": "frontend",
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"version": "0.1.0",
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"private": true,
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"dependencies": {
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"antd": "3.8.1",
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"elliptic": "6.4.1",
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"ethereumjs-util": "5.2.0",
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"ethereumjs-wallet": "0.6.2",
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"merkle-tree-solidity": "1.0.8",
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"react": "16.4.2",
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"react-dom": "16.4.2",
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"react-router-dom": "4.3.1",
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"react-scripts": "1.1.4",
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"secp256k1": "^4.0.3",
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"truffle-contract": "3.0.6",
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"web3": "0.20.6"
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},
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"scripts": {
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"start": "react-scripts start",
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"build": "react-scripts build",
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"test": "react-scripts test --env=jsdom",
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"eject": "react-scripts eject"
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}
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}
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BIN
frontend/public/favicon.ico
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BIN
frontend/public/favicon.ico
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Binary file not shown.
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frontend/public/index.html
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frontend/public/index.html
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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, shrink-to-fit=no">
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<meta name="theme-color" content="#000000">
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<!--
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manifest.json provides metadata used when your web app is added to the
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homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
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-->
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
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<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
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<!--
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Notice the use of %PUBLIC_URL% in the tags above.
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It will be replaced with the URL of the `public` folder during the build.
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Only files inside the `public` folder can be referenced from the HTML.
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Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
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work correctly both with client-side routing and a non-root public URL.
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Learn how to configure a non-root public URL by running `npm run build`.
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-->
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<title>IoT Device Management</title>
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</head>
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<body>
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<noscript>
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You need to enable JavaScript to run this app.
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</noscript>
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<div id="root"></div>
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<!--
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This HTML file is a template.
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If you open it directly in the browser, you will see an empty page.
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You can add webfonts, meta tags, or analytics to this file.
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The build step will place the bundled scripts into the <body> tag.
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To begin the development, run `npm start` or `yarn start`.
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To create a production bundle, use `npm run build` or `yarn build`.
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-->
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</body>
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</html>
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15
frontend/public/manifest.json
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frontend/public/manifest.json
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{
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"short_name": "IoT Device Management",
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"name": "IoT Device Management",
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"icons": [
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{
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"src": "favicon.ico",
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"sizes": "64x64 32x32 24x24 16x16",
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"type": "image/x-icon"
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}
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],
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"start_url": "./index.html",
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"display": "standalone",
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"theme_color": "#000000",
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"background_color": "#ffffff"
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}
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9
frontend/src/App.css
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frontend/src/App.css
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@import '~antd/dist/antd.css';
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.loading-spin {
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text-align: center;
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border-radius: 4px;
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margin-bottom: 20px;
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padding: 30px 50px;
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margin: 10px 0;
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}
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190
frontend/src/App.js
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190
frontend/src/App.js
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import getWeb3 from './utils/web3';
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import DeviceManager from './DeviceManager';
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import React, { Component } from 'react';
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import { BrowserRouter as Router, Route, Link } from 'react-router-dom';
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import './App.css';
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import Home from './components/Home';
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import RegisterDevice from './components/RegisterDevice';
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import ManageDevices from './components/ManageDevices';
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import EditEntity from './components/EditEntity';
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import LookupEntity from './components/LookupEntity';
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import ManageDevice from './components/ManageDevice';
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import LookupDevice from './components/LookupDevice';
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import CheckSignature from './components/CheckSignature';
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import { Layout, Menu, Icon, Tag, Alert, Spin } from 'antd';
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const { SubMenu } = Menu;
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const { Header, Content, Footer, Sider } = Layout;
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class App extends Component {
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constructor(props) {
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super(props);
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this.state = {
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web3: null,
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deviceManagerInstance: null,
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errorMessage: '',
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loading: true
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}
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}
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async componentWillMount() {
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getWeb3.then(results => {
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this.setState({
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web3: results.web3,
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});
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console.log(`Using address: ${this.state.web3.eth.accounts[0]}`);
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return DeviceManager.then(instance => {
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this.setState({
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loading: false,
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deviceManagerInstance: instance
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});
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console.log(`Contract address: ${instance.address}`);
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}).catch(error => {
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console.log(error);
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this.setState({
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errorMessage: error.message,
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loading: false
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});
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});
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}).catch(() => {
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let errorMessage = 'Error finding web3. Please install MetaMask.';
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console.log(errorMessage);
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this.setState({
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errorMessage: errorMessage,
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loading: false
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});
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});
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}
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mainContent() {
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if (!this.state.loading) {
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let childComponent;
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if (this.state.web3 == null || this.state.deviceManagerInstance == null) {
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childComponent = <div>
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<h1>Resolve the following issues to continue</h1>
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<Alert
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message="Error"
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description={this.state.errorMessage}
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type="error"
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showIcon
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/>
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</div>
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} else {
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childComponent = <div>
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<Route exact path="/" component={Home} />
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<Route path="/edit-entity" component={EditEntity} />
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<Route path="/lookup-entity/:address?" component={LookupEntity} />
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<Route path="/register-device" component={RegisterDevice} />
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<Route path="/manage-devices" component={ManageDevices} />
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<Route path="/manage-device/:deviceId" component={ManageDevice} />
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<Route path="/lookup-device" component={LookupDevice} />
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<Route path="/check-signature/:signatureId" component={CheckSignature} />
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</div>
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}
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return (
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<div>
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{childComponent}
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</div>
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);
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}
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}
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render() {
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let statusTag;
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if (this.state.web3 == null) {
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statusTag = <Tag color="red">Web3 missing</Tag>;
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} else if (this.state.deviceManagerInstance == null) {
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statusTag = <Tag color="red">Network error</Tag>;
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} else {
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statusTag = <Tag color="green">OK</Tag>;
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}
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return (
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<Router>
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<Layout style={{ height: "100vh" }}>
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<Header className="header">
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<Menu
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theme="dark"
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mode="horizontal"
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defaultSelectedKeys={['1']}
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style={{ lineHeight: '64px' }}
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>
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<Menu.Item key="1">
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<Link to="/" className="nav-text">IoT Device Management</Link>
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</Menu.Item>
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<Menu.Item key="2" style={{ float: 'right' }}>
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Status: {statusTag}
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</Menu.Item>
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</Menu>
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</Header>
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<Content style={{ padding: '24px 50px' }}>
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<Layout style={{ padding: '24px 0', background: '#fff' }}>
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<Sider width={200} style={{ background: '#fff' }}>
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<Menu
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mode="inline"
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defaultSelectedKeys={['']}
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defaultOpenKeys={['sub1', 'sub2', 'sub3']}
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style={{ height: '100%' }}
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>
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<SubMenu key="sub1" title={<span><Icon type="user" />Entities</span>}>
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<Menu.Item key="1">
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<Link to="/edit-entity" className="nav-text">Edit</Link>
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</Menu.Item>
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<Menu.Item key="2">
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<Link to="/lookup-entity" className="nav-text">Lookup</Link>
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</Menu.Item>
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</SubMenu>
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<SubMenu key="sub2" title={<span><Icon type="laptop" />Devices</span>}>
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<Menu.Item key="3">
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<Link to="/register-device" className="nav-text">Register</Link>
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</Menu.Item>
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<Menu.Item key="4">
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<Link to="/manage-devices" className="nav-text">Manage</Link>
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</Menu.Item>
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<Menu.Item key="5">
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<Link to="/lookup-device" className="nav-text">Lookup</Link>
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</Menu.Item>
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{/*
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<Menu.Item key="5">
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<Link to="#" className="nav-text">Filter</Link>
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</Menu.Item>
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*/}
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</SubMenu>
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{/*
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<SubMenu key="sub3" title={<span><Icon type="form" />Signatures</span>}>
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<Menu.Item key="6">
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<Link to="#" className="nav-text">Sign</Link>
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</Menu.Item>
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<Menu.Item key="7">
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<Link to="/check-signature" className="nav-text">Check</Link>
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</Menu.Item>
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</SubMenu>
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*/}
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</Menu>
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</Sider>
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<Content style={{ padding: '0 24px', minHeight: 400 }}>
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<Spin spinning={this.state.loading} className="loading-spin">
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{this.mainContent()}
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</Spin>
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</Content>
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</Layout>
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</Content>
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<Footer style={{ textAlign: 'center' }}>
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IoT Device Management © 2024 物联网大作业
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</Footer>
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</Layout>
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</Router>
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);
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}
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}
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export default App;
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28
frontend/src/DeviceManager.js
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28
frontend/src/DeviceManager.js
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import getWeb3 from './utils/web3';
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import TruffleContract from 'truffle-contract';
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import DeviceManagerArtifact from './artifacts/DeviceManager.json';
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let web3;
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let DeviceManager = new Promise(function (resolve, reject) {
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getWeb3.then(results => {
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web3 = results.web3;
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const deviceManager = TruffleContract(DeviceManagerArtifact);
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deviceManager.setProvider(web3.currentProvider);
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return deviceManager.deployed().then(instance => {
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console.log('Initiating DeviceManager instance...');
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resolve(instance);
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}).catch(error => {
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reject(error);
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});
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}).catch(error => {
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reject(error);
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});
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});
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export function getDefaultAccount() {
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return web3.eth.accounts[0];
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}
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export default DeviceManager;
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7
frontend/src/index.js
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7
frontend/src/index.js
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import React from 'react';
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import ReactDOM from 'react-dom';
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import App from './App';
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import registerServiceWorker from './registerServiceWorker';
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ReactDOM.render(<App />, document.getElementById('root'));
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registerServiceWorker();
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117
frontend/src/registerServiceWorker.js
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117
frontend/src/registerServiceWorker.js
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// In production, we register a service worker to serve assets from local cache.
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// This lets the app load faster on subsequent visits in production, and gives
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// it offline capabilities. However, it also means that developers (and users)
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// will only see deployed updates on the "N+1" visit to a page, since previously
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// cached resources are updated in the background.
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// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
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// This link also includes instructions on opting out of this behavior.
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const isLocalhost = Boolean(
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window.location.hostname === 'localhost' ||
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// [::1] is the IPv6 localhost address.
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window.location.hostname === '[::1]' ||
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// 127.0.0.1/8 is considered localhost for IPv4.
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window.location.hostname.match(
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/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
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)
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);
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export default function register() {
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if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
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// The URL constructor is available in all browsers that support SW.
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const publicUrl = new URL(process.env.PUBLIC_URL, window.location);
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if (publicUrl.origin !== window.location.origin) {
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// Our service worker won't work if PUBLIC_URL is on a different origin
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// from what our page is served on. This might happen if a CDN is used to
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// serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
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return;
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}
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window.addEventListener('load', () => {
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const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
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if (isLocalhost) {
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// This is running on localhost. Lets check if a service worker still exists or not.
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checkValidServiceWorker(swUrl);
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// Add some additional logging to localhost, pointing developers to the
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// service worker/PWA documentation.
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navigator.serviceWorker.ready.then(() => {
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console.log(
|
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'This web app is being served cache-first by a service ' +
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'worker. To learn more, visit https://goo.gl/SC7cgQ'
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||||
);
|
||||
});
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||||
} else {
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||||
// Is not local host. Just register service worker
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registerValidSW(swUrl);
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||||
}
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||||
});
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||||
}
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||||
}
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||||
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||||
function registerValidSW(swUrl) {
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||||
navigator.serviceWorker
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||||
.register(swUrl)
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||||
.then(registration => {
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||||
registration.onupdatefound = () => {
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||||
const installingWorker = registration.installing;
|
||||
installingWorker.onstatechange = () => {
|
||||
if (installingWorker.state === 'installed') {
|
||||
if (navigator.serviceWorker.controller) {
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||||
// At this point, the old content will have been purged and
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||||
// the fresh content will have been added to the cache.
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||||
// It's the perfect time to display a "New content is
|
||||
// available; please refresh." message in your web app.
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||||
console.log('New content is available; please refresh.');
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} else {
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||||
// At this point, everything has been precached.
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||||
// It's the perfect time to display a
|
||||
// "Content is cached for offline use." message.
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||||
console.log('Content is cached for offline use.');
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||||
}
|
||||
}
|
||||
};
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||||
};
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||||
})
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||||
.catch(error => {
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||||
console.error('Error during service worker registration:', error);
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||||
});
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||||
}
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||||
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||||
function checkValidServiceWorker(swUrl) {
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// Check if the service worker can be found. If it can't reload the page.
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fetch(swUrl)
|
||||
.then(response => {
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||||
// Ensure service worker exists, and that we really are getting a JS file.
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||||
if (
|
||||
response.status === 404 ||
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||||
response.headers.get('content-type').indexOf('javascript') === -1
|
||||
) {
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||||
// No service worker found. Probably a different app. Reload the page.
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||||
navigator.serviceWorker.ready.then(registration => {
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||||
registration.unregister().then(() => {
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||||
window.location.reload();
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||||
});
|
||||
});
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||||
} else {
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||||
// Service worker found. Proceed as normal.
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||||
registerValidSW(swUrl);
|
||||
}
|
||||
})
|
||||
.catch(() => {
|
||||
console.log(
|
||||
'No internet connection found. App is running in offline mode.'
|
||||
);
|
||||
});
|
||||
}
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||||
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||||
export function unregister() {
|
||||
if ('serviceWorker' in navigator) {
|
||||
navigator.serviceWorker.ready.then(registration => {
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||||
registration.unregister();
|
||||
});
|
||||
}
|
||||
}
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35
frontend/src/utils/web3.js
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35
frontend/src/utils/web3.js
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import Web3 from 'web3'
|
||||
|
||||
let getWeb3 = new Promise(function (resolve, reject) {
|
||||
window.addEventListener('load', function () {
|
||||
let results;
|
||||
let web3 = window.web3;
|
||||
|
||||
// Checking if Web3 has been injected by the browser (Mist/MetaMask)
|
||||
if (typeof web3 !== 'undefined') {
|
||||
// Use Mist/MetaMask's provider.
|
||||
web3 = new Web3(web3.currentProvider);
|
||||
|
||||
results = {
|
||||
web3: web3
|
||||
};
|
||||
|
||||
console.log('Injected web3 detected.');
|
||||
resolve(results)
|
||||
} else {
|
||||
let provider = new Web3.providers.HttpProvider('http://127.0.0.1:8545');
|
||||
web3 = new Web3(provider);
|
||||
|
||||
results = {
|
||||
web3: web3
|
||||
};
|
||||
|
||||
console.log('No web3 instance injected, using Local web3.');
|
||||
|
||||
// should be resolved, leave reject for dev as there should always be metamask installed
|
||||
reject(results);
|
||||
}
|
||||
})
|
||||
})
|
||||
|
||||
export default getWeb3;
|
||||
Loading…
Reference in New Issue
Block a user