Loading Web3, accounts, and contract...
;\n }\n return (\n \n
Good to Go! \n
Your Truffle Box is installed and ready.
\n
Smart Contract Example \n
\n If your contracts compiled and migrated successfully, below will show\n a stored value of 5 (by default).\n
\n
\n Try changing the value stored on line 40 of App.js.\n
\n
The stored value is: {this.state.storageValue}
\n
\n // to customize your Truffle configuration!\n contracts_build_directory: path.join(__dirname, \"client/src/contracts\"),\n networks: {\n develop: {\n port: 8545\n }\n }\n};\n"
},
{
"path": "chapter-7/fundraiser/LICENSE",
"content": "The MIT License (MIT)\n\nCopyright (c) 2018 Truffle\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE.\n\n"
},
{
"path": "chapter-7/fundraiser/client/.gitignore",
"content": "# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.\n\n# dependencies\n/node_modules\n/.pnp\n.pnp.js\n\n# testing\n/coverage\n\n# production\n/build\n\n# misc\n.DS_Store\n.env.local\n.env.development.local\n.env.test.local\n.env.production.local\n\nnpm-debug.log*\nyarn-debug.log*\nyarn-error.log*\n"
},
{
"path": "chapter-7/fundraiser/client/README.md",
"content": "This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).\n\n## Available Scripts\n\nIn the project directory, you can run:\n\n### `npm start`\n\nRuns the app in the development mode.React App \n \n \n \n You need to enable JavaScript to run this app.\n \n
\n \n \n\n"
},
{
"path": "chapter-7/fundraiser/client/public/manifest.json",
"content": "{\n \"short_name\": \"React App\",\n \"name\": \"Create React App Sample\",\n \"icons\": [\n {\n \"src\": \"favicon.ico\",\n \"sizes\": \"64x64 32x32 24x24 16x16\",\n \"type\": \"image/x-icon\"\n }\n ],\n \"start_url\": \".\",\n \"display\": \"standalone\",\n \"theme_color\": \"#000000\",\n \"background_color\": \"#ffffff\"\n}\n"
},
{
"path": "chapter-7/fundraiser/client/src/App.css",
"content": ".App {\n text-align: center;\n}\n\n.App-logo {\n animation: App-logo-spin infinite 20s linear;\n height: 40vmin;\n}\n\n.App-header {\n background-color: #282c34;\n min-height: 100vh;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n font-size: calc(10px + 2vmin);\n color: white;\n}\n\n.App-link {\n color: #61dafb;\n}\n\n@keyframes App-logo-spin {\n from {\n transform: rotate(0deg);\n }\n to {\n transform: rotate(360deg);\n }\n}\n"
},
{
"path": "chapter-7/fundraiser/client/src/App.js",
"content": "import React, { Component } from \"react\";\nimport SimpleStorageContract from \"./contracts/SimpleStorage.json\";\nimport getWeb3 from \"./utils/getWeb3\";\n\nimport \"./App.css\";\n\nclass App extends Component {\n state = { storageValue: 0, web3: null, accounts: null, contract: null };\n\n componentDidMount = async () => {\n try {\n // Get network provider and web3 instance.\n const web3 = await getWeb3();\n\n // Use web3 to get the user's accounts.\n const accounts = await web3.eth.getAccounts();\n\n // Get the contract instance.\n const networkId = await web3.eth.net.getId();\n const deployedNetwork = SimpleStorageContract.networks[networkId];\n const instance = new web3.eth.Contract(\n SimpleStorageContract.abi,\n deployedNetwork && deployedNetwork.address,\n );\n\n // Set web3, accounts, and contract to the state, and then proceed with an\n // example of interacting with the contract's methods.\n this.setState({ web3, accounts, contract: instance }, this.runExample);\n } catch (error) {\n // Catch any errors for any of the above operations.\n alert(\n `Failed to load web3, accounts, or contract. Check console for details.`,\n );\n console.error(error);\n }\n };\n\n runExample = async () => {\n const { accounts, contract } = this.state;\n\n // Stores a given value, 5 by default.\n await contract.methods.set(5).send({ from: accounts[0] });\n\n // Get the value from the contract to prove it worked.\n const response = await contract.methods.get().call();\n\n // Update state with the result.\n this.setState({ storageValue: response });\n };\n\n render() {\n if (!this.state.web3) {\n return Loading Web3, accounts, and contract...
;\n }\n return (\n \n
Good to Go! \n
Your Truffle Box is installed and ready.
\n
Smart Contract Example \n
\n If your contracts compiled and migrated successfully, below will show\n a stored value of 5 (by default).\n
\n
\n Try changing the value stored on line 40 of App.js.\n
\n
The stored value is: {this.state.storageValue}
\n
\n // to customize your Truffle configuration!\n contracts_build_directory: path.join(__dirname, \"client/src/contracts\"),\n networks: {\n develop: {\n port: 8545\n }\n }\n};\n"
},
{
"path": "chapter-9/README.md",
"content": "This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).\n\n## Available Scripts\n\nIn the project directory, you can run:\n\n### `npm start`\n\nRuns the app in the development mode.React App \n \n \n \n You need to enable JavaScript to run this app.\n \n
\n \n \n\n"
},
{
"path": "chapter-9/public/manifest.json",
"content": "{\n \"short_name\": \"React App\",\n \"name\": \"Create React App Sample\",\n \"icons\": [\n {\n \"src\": \"favicon.ico\",\n \"sizes\": \"64x64 32x32 24x24 16x16\",\n \"type\": \"image/x-icon\"\n }\n ],\n \"start_url\": \".\",\n \"display\": \"standalone\",\n \"theme_color\": \"#000000\",\n \"background_color\": \"#ffffff\"\n}\n"
},
{
"path": "chapter-9/src/App.css",
"content": "body {\n margin: 0 !important;\n}\n\n.App {\n text-align: center;\n}\n\n.donation-input-container {\n display: flex;\n}\n\n.withdrawal-button {\n margin-left: 10px;\n}\n\n.receipt-header {\n border-bottom: 1px solid gray;\n}\n\n.receipt-container {\n text-align: center;\n}\n\n.receipt-info {\n display: flex;\n padding: 50px;\n justify-content: space-between;\n}\n\n.donation-receipt-link {\n color: inherit;\n text-decoration: none;\n}\n\n.main-container {\n margin: 20px;\n}\n\n.donation-list {\n margin-top: 10px;\n margin-bottom: 10px;\n display: flex;\n justify-content: space-between;\n}\n\n.fundraiser-card-container {\n display: inline-flex;\n width: 250px;\n height: 250px;\n margin: 20px;\n}\n\n.MuiTextField-root {\n display: block !important;\n}\n\n.MuiInputBase-root {\n width: 300px !important;\n margin-left: 3px;\n}\n\n.App-logo {\n animation: App-logo-spin infinite 20s linear;\n height: 40vmin;\n}\n\n.App-header {\n background-color: #282c34;\n min-height: 100vh;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n font-size: calc(10px + 2vmin);\n color: white;\n}\n\n.App-link {\n color: #61dafb;\n}\n\n@keyframes App-logo-spin {\n from {\n transform: rotate(0deg);\n }\n to {\n transform: rotate(360deg);\n }\n}\n\n\n\n.nav-link {\n color: inherit;\n text-decoration: none;\n margin-right: 15px;\n}\n\n.nav-link:hover,\n.nav-link:active,\n.nav-link:visited {\n color: black;\n text-decoration: none;\n}\n"
},
{
"path": "chapter-9/src/App.js",
"content": "\nimport React, { useState, useEffect } from \"react\";\nimport FactoryContract from \"./contracts/Factory.json\";\nimport getWeb3 from \"./utils/getWeb3\";\nimport { makeStyles } from '@material-ui/core/styles';\nimport AppBar from '@material-ui/core/AppBar';\nimport Toolbar from '@material-ui/core/Toolbar';\nimport Typography from '@material-ui/core/Typography';\nimport { BrowserRouter as Router, Route, Link, NavLink } from \"react-router-dom\";\n\nimport NewFundraiser from './NewFundraiser'\nimport Home from './Home'\nimport Receipts from './Receipts'\n\nimport \"./App.css\";\n\nconst App = () => {\n const [state, setState] = useState({web3: null, accounts: null, contract: null});\n const [storageValue, setStorageValue] = useState(0);\n\n useEffect(() => {\n const init = async() => {\n try {\n // Get network provider and web3 instance.\n const web3 = await getWeb3();\n\n // Use web3 to get the user's accounts.\n const accounts = await web3.eth.getAccounts();\n\n // Get the contract instance.\n const networkId = await web3.eth.net.getId();\n const deployedNetwork = FactoryContract.networks[networkId];\n const instance = new web3.eth.Contract(\n FactoryContract.abi,\n deployedNetwork && deployedNetwork.address,\n );\n\n // Set web3, accounts, and contract to the state, and then proceed with an\n setState({web3, accounts, contract: instance});\n\n } catch(error) {\n // Catch any errors for any of the above operations.\n alert(\n `Failed to load web3, accounts, or contract. Check console for details.`,\n );\n console.error(error);\n }\n }\n init();\n }, []);\n\n const useStyles = makeStyles({\n root: {\n flexGrow: 1,\n },\n });\n\n const classes = useStyles();\n\n const runExample = async () => {\n const { accounts, contract } = state;\n };\n\n return (\n \n
\n \n \n \n Home \n \n New \n \n \n\n \n
\n
${donation.donationAmount}
\n\n
\n \n
\n
\n \n Donate to {fundName}\n \n \n \n {bio}
\n\n \n
\n $\n setDonationAmount(e.target.value)}\n placeholder=\"0.00\"\n />\n \n\n
Eth: {ethAmount}
\n
\n Donate\n \n\n \n
My donations \n {renderDonationsList()}\n \n \n \n \n \n Cancel\n \n {isOwner &&\n \n Withdrawal\n \n }\n \n \n\n
\n \n \n \n {fundName}\n \n \n {bio}
\n Total Donations: ${totalDonations}
\n \n \n \n \n \n View More\n \n \n \n
\n {displayFundraisers()}\n
\n )\n}\n\nexport default Home;\n"
},
{
"path": "chapter-9/src/NewFundraiser.js",
"content": "\nimport React, { useState, useEffect } from \"react\";\nimport FormControl from '@material-ui/core/FormControl';\nimport { makeStyles } from '@material-ui/core/styles';\nimport Button from '@material-ui/core/Button';\nimport MenuItem from '@material-ui/core/MenuItem';\nimport TextField from '@material-ui/core/TextField';\nimport getWeb3 from \"./utils/getWeb3\";\nimport FactoryContract from \"./contracts/Factory.json\";\nimport Web3 from 'web3'\n\nconst useStyles = makeStyles(theme => ({\n container: {\n display: 'flex',\n flexWrap: 'wrap',\n },\n textField: {\n marginLeft: theme.spacing(1),\n marginRight: theme.spacing(1),\n },\n dense: {\n marginTop: theme.spacing(2),\n },\n menu: {\n width: 200,\n },\n}));\n\nconst NewFundraiser = () => {\nconst [labelWidth, setLabelWidth] = React.useState(0);\nconst labelRef = React.useRef(null);\nconst classes = useStyles();\nconst [ web3, setWeb3 ] = useState(null)\n\nuseEffect(() => {\n const init = async() => {\n try {\n const web3 = await getWeb3();\n const networkId = await web3.eth.net.getId();\n const deployedNetwork = FactoryContract.networks[networkId];\n const accounts = await web3.eth.getAccounts();\n const instance = new web3.eth.Contract(\n FactoryContract.abi,\n deployedNetwork && deployedNetwork.address,\n );\n\n setWeb3(web3)\n setContract(instance)\n setAccounts(accounts)\n\n } catch(error) {\n alert(\n `Failed to load web3, accounts, or contract. Check console for details.`,\n );\n console.error(error);\n }\n }\n init();\n}, []);\n\nconst [ name, setFundraiserName ] = useState(null)\nconst [ website, setFundraiserWebsite ] = useState(null)\nconst [ description, setFundraiserDescription ] = useState(null)\nconst [ image, setImage ] = useState(null)\nconst [ address, setAddress ] = useState(null)\nconst [ custodian, setCustodian ] = useState(null)\nconst [ contract, setContract] = useState(null)\nconst [ accounts, setAccounts ] = useState(null)\n\nconst handleSubmit = async () => {\n const imageURL = image\n const bio = description\n const beneficiary = address\n const transaction = await contract.methods.createFundraiser(\n name,\n website,\n imageURL,\n bio,\n beneficiary,\n custodian\n ).send({ from: accounts[0] })\n\n alert('Successfully created fundraiser')\n}\n\n return (\n \n
Create A New Fundraiser \n\n Name \n setFundraiserName(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n Website \n setFundraiserWebsite(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n Description \n setFundraiserDescription(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n Image \n setImage(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n Address \n setAddress(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n Custodian \n setCustodian(e.target.value)}\n variant=\"outlined\"\n inputProps={{ 'aria-label': 'bare' }}\n />\n\n \n Submit\n \n \n )\n}\n\n\nexport default NewFundraiser;\n"
},
{
"path": "chapter-9/src/Receipts.js",
"content": "import React, { useState, useEffect } from \"react\";\n\nconst Receipts = (props) => {\n const [ donation, setDonation ] = useState(null)\n const [ fundName, setFundName ] = useState(null)\n const [ date, setDate ] = useState(null)\n\n useEffect(() => {\n const { donation, date, fund } = props.location.state\n\n const formattedDate = new Date(parseInt(date))\n\n setDonation(donation)\n setDate(formattedDate.toString())\n setFundName(fund)\n }, []);\n\n return (\n \n
\n
Thank you for your donation to {fundName} \n \n\n
\n
Date of Donation: {date}
\n
Donation Value: ${donation}
\n
\n
\n \n \n // \n), document.getElementById('root'))\n"
},
{
"path": "chapter-9/src/serviceWorker.js",
"content": "// This optional code is used to register a service worker.\n// register() is not called by default.\n\n// This lets the app load faster on subsequent visits in production, and gives\n// it offline capabilities. However, it also means that developers (and users)\n// will only see deployed updates on subsequent visits to a page, after all the\n// existing tabs open on the page have been closed, since previously cached\n// resources are updated in the background.\n\n// To learn more about the benefits of this model and instructions on how to\n// opt-in, read http://bit.ly/CRA-PWA\n\nconst isLocalhost = Boolean(\n window.location.hostname === 'localhost' ||\n // [::1] is the IPv6 localhost address.\n window.location.hostname === '[::1]' ||\n // 127.0.0.1/8 is considered localhost for IPv4.\n window.location.hostname.match(\n /^127(?:\\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/\n )\n);\n\nexport function register(config) {\n if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {\n // The URL constructor is available in all browsers that support SW.\n const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);\n if (publicUrl.origin !== window.location.origin) {\n // Our service worker won't work if PUBLIC_URL is on a different origin\n // from what our page is served on. This might happen if a CDN is used to\n // serve assets; see https://github.com/facebook/create-react-app/issues/2374\n return;\n }\n\n window.addEventListener('load', () => {\n const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;\n\n if (isLocalhost) {\n // This is running on localhost. Let's check if a service worker still exists or not.\n checkValidServiceWorker(swUrl, config);\n\n // Add some additional logging to localhost, pointing developers to the\n // service worker/PWA documentation.\n navigator.serviceWorker.ready.then(() => {\n console.log(\n 'This web app is being served cache-first by a service ' +\n 'worker. To learn more, visit http://bit.ly/CRA-PWA'\n );\n });\n } else {\n // Is not localhost. Just register service worker\n registerValidSW(swUrl, config);\n }\n });\n }\n}\n\nfunction registerValidSW(swUrl, config) {\n navigator.serviceWorker\n .register(swUrl)\n .then(registration => {\n registration.onupdatefound = () => {\n const installingWorker = registration.installing;\n if (installingWorker == null) {\n return;\n }\n installingWorker.onstatechange = () => {\n if (installingWorker.state === 'installed') {\n if (navigator.serviceWorker.controller) {\n // At this point, the updated precached content has been fetched,\n // but the previous service worker will still serve the older\n // content until all client tabs are closed.\n console.log(\n 'New content is available and will be used when all ' +\n 'tabs for this page are closed. See http://bit.ly/CRA-PWA.'\n );\n\n // Execute callback\n if (config && config.onUpdate) {\n config.onUpdate(registration);\n }\n } else {\n // At this point, everything has been precached.\n // It's the perfect time to display a\n // \"Content is cached for offline use.\" message.\n console.log('Content is cached for offline use.');\n\n // Execute callback\n if (config && config.onSuccess) {\n config.onSuccess(registration);\n }\n }\n }\n };\n };\n })\n .catch(error => {\n console.error('Error during service worker registration:', error);\n });\n}\n\nfunction checkValidServiceWorker(swUrl, config) {\n // Check if the service worker can be found. If it can't reload the page.\n fetch(swUrl)\n .then(response => {\n // Ensure service worker exists, and that we really are getting a JS file.\n const contentType = response.headers.get('content-type');\n if (\n response.status === 404 ||\n (contentType != null && contentType.indexOf('javascript') === -1)\n ) {\n // No service worker found. Probably a different app. Reload the page.\n navigator.serviceWorker.ready.then(registration => {\n registration.unregister().then(() => {\n window.location.reload();\n });\n });\n } else {\n // Service worker found. Proceed as normal.\n registerValidSW(swUrl, config);\n }\n })\n .catch(() => {\n console.log(\n 'No internet connection found. App is running in offline mode.'\n );\n });\n}\n\nexport function unregister() {\n if ('serviceWorker' in navigator) {\n navigator.serviceWorker.ready.then(registration => {\n registration.unregister();\n });\n }\n}\n"
},
{
"path": "chapter-9/src/utils/getWeb3.js",
"content": "import Web3 from \"web3\";\n\nconst getWeb3 = () =>\n new Promise((resolve, reject) => {\n // Wait for loading completion to avoid race conditions with web3 injection timing.\n window.addEventListener(\"load\", async () => {\n // Modern dapp browsers...\n if (window.ethereum) {\n const web3 = new Web3(window.ethereum);\n try {\n // Request account access if needed\n await window.ethereum.enable();\n // Acccounts now exposed\n resolve(web3);\n } catch (error) {\n reject(error);\n }\n }\n // Legacy dapp browsers...\n else if (window.web3) {\n // Use Mist/MetaMask's provider.\n const web3 = window.web3;\n console.log(\"Injected web3 detected.\");\n resolve(web3);\n }\n // Fallback to localhost; use dev console port by default...\n else {\n const provider = new Web3.providers.HttpProvider(\n \"http://127.0.0.1:8545\"\n );\n const web3 = new Web3(provider);\n console.log(\"No web3 instance injected, using Local web3.\");\n resolve(web3);\n }\n });\n });\n\nexport default getWeb3;\n"
}
]