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Add verifiable presentation method (#59)
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| # See https://help.github.com/articles/ignoring-files/ for more about ignoring files. | ||
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| # dependencies | ||
| /node_modules | ||
| /.pnp | ||
| .pnp.js | ||
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| # testing | ||
| /coverage | ||
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| # production | ||
| /build | ||
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| # misc | ||
| .DS_Store | ||
| .env.local | ||
| .env.development.local | ||
| .env.test.local | ||
| .env.production.local | ||
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| npm-debug.log* | ||
| yarn-debug.log* | ||
| yarn-error.log* |
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| build/ |
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| { | ||
| "name": "concordium-dapp-request-verifiable-presentation", | ||
| "version": "0.1.0", | ||
| "private": true, | ||
| "dependencies": { | ||
| "@concordium/react-components": "workspace:^", | ||
| "@concordium/web-sdk": "^7.1.0", | ||
| "@types/node": "^16.18.16", | ||
| "@types/react": "^18.0.28", | ||
| "@types/react-dom": "^18.0.11", | ||
| "bootstrap": "^5.2.3", | ||
| "react": "^18.2.0", | ||
| "react-bootstrap": "^2.7.2", | ||
| "react-dom": "^18.2.0", | ||
| "react-scripts": "^5.0.1", | ||
| "typescript": "^5.2.2" | ||
| }, | ||
| "scripts": { | ||
| "start": "react-scripts start", | ||
| "build": "react-scripts build", | ||
| "test": "react-scripts test", | ||
| "eject": "react-scripts eject" | ||
| }, | ||
| "eslintConfig": { | ||
| "extends": [ | ||
| "react-app", | ||
| "react-app/jest" | ||
| ] | ||
| }, | ||
| "browserslist": { | ||
| "production": [ | ||
| ">0.2%", | ||
| "not dead", | ||
| "not op_mini all" | ||
| ], | ||
| "development": [ | ||
| "last 1 chrome version", | ||
| "last 1 firefox version", | ||
| "last 1 safari version" | ||
| ] | ||
| }, | ||
| "devDependencies": { | ||
| "prettier": "2.8.1" | ||
| } | ||
| } |
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8" /> | ||
| <link rel="icon" href="%PUBLIC_URL%/favicon.ico" /> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | ||
| <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" /> | ||
| <link rel="manifest" href="%PUBLIC_URL%/manifest.json" /> | ||
| <title>Identity proofs | Sample Concordium dApp</title> | ||
| </head> | ||
| <body> | ||
| <noscript>You need to enable JavaScript to run this app.</noscript> | ||
| <div id="root"></div> | ||
| </body> | ||
| </html> |
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| { | ||
| "short_name": "Sample dApp", | ||
| "name": "Sample Concordium dApp", | ||
| "icons": [ | ||
| { | ||
| "src": "favicon.ico", | ||
| "sizes": "64x64 32x32 24x24 16x16", | ||
| "type": "image/x-icon" | ||
| }, | ||
| { | ||
| "src": "logo192.png", | ||
| "type": "image/png", | ||
| "sizes": "192x192" | ||
| }, | ||
| { | ||
| "src": "logo512.png", | ||
| "type": "image/png", | ||
| "sizes": "512x512" | ||
| } | ||
| ], | ||
| "start_url": ".", | ||
| "display": "standalone", | ||
| "theme_color": "#000000", | ||
| "background_color": "#ffffff" | ||
| } |
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| # https://www.robotstxt.org/robotstxt.html | ||
| User-agent: * | ||
| Disallow: |
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| import React, { useCallback, useState } from 'react'; | ||
| import { Alert, Button, Card, Col, Container, Form, Row, Spinner } from 'react-bootstrap'; | ||
| import { | ||
| TESTNET, | ||
| WalletConnectionProps, | ||
| WithWalletConnector, | ||
| useConnect, | ||
| useConnection, | ||
| } from '@concordium/react-components'; | ||
| import { | ||
| AttributeKeyString, | ||
| MIN_DATE, | ||
| VerifiablePresentation, | ||
| Web3StatementBuilder, | ||
| getPastDate, | ||
| } from '@concordium/web-sdk'; | ||
| import { WalletConnectorButton } from './WalletConnectorButton'; | ||
| import { BROWSER_WALLET, WALLET_CONNECT } from './config'; | ||
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| export default function App() { | ||
| return ( | ||
| <Container> | ||
| <h1>Identity proofs</h1> | ||
| <WithWalletConnector network={TESTNET}>{(props) => <Main {...props} />}</WithWalletConnector> | ||
| </Container> | ||
| ); | ||
| } | ||
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| function Main(props: WalletConnectionProps) { | ||
| const { activeConnectorType, activeConnector, activeConnectorError, connectedAccounts, genesisHashes } = props; | ||
| const { connection, setConnection, account } = useConnection(connectedAccounts, genesisHashes); | ||
| const { connect, isConnecting, connectError } = useConnect(activeConnector, setConnection); | ||
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| const [verifiablePresentation, setVerifiablePresentation] = useState<VerifiablePresentation>(); | ||
| const [error, setError] = useState(''); | ||
| const [isWaiting, setIsWaiting] = useState(false); | ||
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| const handleSubmit = useCallback(() => { | ||
| setVerifiablePresentation(undefined); | ||
| setError(''); | ||
| setIsWaiting(true); | ||
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| const statementBuilder = new Web3StatementBuilder().addForIdentityCredentials([0, 1, 2, 3, 4, 5], (b) => | ||
| b.addRange(AttributeKeyString.dob, MIN_DATE, getPastDate(18, 1)) | ||
| ); | ||
| const statement = statementBuilder.getStatements(); | ||
| // In a production scenario the challenge should not be hardcoded, in order to avoid accepting proofs created for other contexts. | ||
| const challenge = 'beefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeef'; | ||
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| connection | ||
| ?.requestVerifiablePresentation(challenge, statement) | ||
| .then((res) => setVerifiablePresentation(res)) | ||
| .catch((e: Error) => setError(`Failed to get verifiable presentation: ${e.message}`)) | ||
| .finally(() => setIsWaiting(false)); | ||
| }, [connection]); | ||
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| return ( | ||
| <> | ||
| <Row className="mt-3 mb-3"> | ||
| <Col> | ||
| <WalletConnectorButton | ||
| connectorType={BROWSER_WALLET} | ||
| connectorName="Browser Wallet" | ||
| connection={connection} | ||
| {...props} | ||
| /> | ||
| </Col> | ||
| <Col> | ||
| <WalletConnectorButton | ||
| connectorType={WALLET_CONNECT} | ||
| connectorName="WalletConnect" | ||
| connection={connection} | ||
| {...props} | ||
| /> | ||
| </Col> | ||
| </Row> | ||
| <Row className="mt-3 mb-3"> | ||
| <Col> | ||
| {activeConnectorError && <Alert variant="danger">Connector error: {activeConnectorError}.</Alert>} | ||
| {!activeConnectorError && activeConnectorType && !activeConnector && <Spinner />} | ||
| {connectError && <Alert variant="danger">Connection error: {connectError}.</Alert>} | ||
| {activeConnector && !account && ( | ||
| <Button type="button" onClick={connect} disabled={isConnecting}> | ||
| {isConnecting && 'Connecting...'} | ||
| {!isConnecting && activeConnectorType === BROWSER_WALLET && 'Connect Browser Wallet'} | ||
| {!isConnecting && activeConnectorType === WALLET_CONNECT && 'Connect Mobile Wallet'} | ||
| </Button> | ||
| )} | ||
| </Col> | ||
| </Row> | ||
| {account && ( | ||
| <Row className="mt-3 mb-3"> | ||
| <Col> | ||
| Connected to account <code>{account}</code>. | ||
| </Col> | ||
| </Row> | ||
| )} | ||
| <Form.Group as={Row} className="mb-3"> | ||
| <Col sm={3}> | ||
| <Button variant="primary" onClick={handleSubmit} disabled={!connection || isWaiting}> | ||
| {isWaiting ? 'Waiting for proof...' : 'Request proof'} | ||
| </Button> | ||
| </Col> | ||
| </Form.Group> | ||
| {error && <Alert variant="danger">{error}</Alert>} | ||
| {verifiablePresentation && ( | ||
| <Card> | ||
| <Card.Header>Verifiable presentation</Card.Header> | ||
| <Card.Body> | ||
| <Card.Text>{JSON.stringify(verifiablePresentation)}</Card.Text> | ||
| </Card.Body> | ||
| </Card> | ||
| )} | ||
| </> | ||
| ); | ||
| } |
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