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Signed-off-by: Berend Sliedrecht <[email protected]>
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Berend Sliedrecht
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Sep 27, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| import { AnonCredsCredentialFormatService, AnonCredsModule } from '@credo-ts/anoncreds' | ||
| import { AskarModule } from '@credo-ts/askar' | ||
| import { | ||
| Agent, | ||
| AutoAcceptCredential, | ||
| ConnectionEventTypes, | ||
| type ConnectionStateChangedEvent, | ||
| ConnectionsModule, | ||
| ConsoleLogger, | ||
| CredentialEventTypes, | ||
| CredentialState, | ||
| type CredentialStateChangedEvent, | ||
| CredentialsModule, | ||
| DidExchangeState, | ||
| DidsModule, | ||
| HttpOutboundTransport, | ||
| KeyType, | ||
| LogLevel, | ||
| TypedArrayEncoder, | ||
| V2CredentialProtocol, | ||
| WsOutboundTransport, | ||
| } from '@credo-ts/core' | ||
| import { | ||
| IndyVdrAnonCredsRegistry, | ||
| IndyVdrIndyDidRegistrar, | ||
| IndyVdrIndyDidResolver, | ||
| IndyVdrModule, | ||
| } from '@credo-ts/indy-vdr' | ||
| import { HttpInboundTransport, agentDependencies } from '@credo-ts/node' | ||
| import { anoncreds } from '@hyperledger/anoncreds-nodejs' | ||
| import { ariesAskar } from '@hyperledger/aries-askar-nodejs' | ||
| import { indyVdr } from '@hyperledger/indy-vdr-nodejs' | ||
| import QRCode from 'qrcode' | ||
| import { BC_GOV_TEST_NET } from '../src/credo/utils/genesis' | ||
|
|
||
| const modules = { | ||
| askar: new AskarModule({ ariesAskar }), | ||
| indyVdr: new IndyVdrModule({ | ||
| indyVdr, | ||
| networks: [ | ||
| { | ||
| isProduction: false, | ||
| indyNamespace: 'bcovrin:test', | ||
| genesisTransactions: BC_GOV_TEST_NET, | ||
| }, | ||
| ], | ||
| }), | ||
| anoncreds: new AnonCredsModule({ | ||
| anoncreds, | ||
| registries: [new IndyVdrAnonCredsRegistry()], | ||
| }), | ||
| dids: new DidsModule({ | ||
| resolvers: [new IndyVdrIndyDidResolver()], | ||
| registrars: [new IndyVdrIndyDidRegistrar()], | ||
| }), | ||
| connections: new ConnectionsModule({ autoAcceptConnections: true }), | ||
| credentials: new CredentialsModule({ | ||
| autoAcceptCredentials: AutoAcceptCredential.Always, | ||
| credentialProtocols: [ | ||
| new V2CredentialProtocol({ | ||
| credentialFormats: [new AnonCredsCredentialFormatService()], | ||
| }), | ||
| ], | ||
| }), | ||
| } | ||
|
|
||
| void (async () => { | ||
| const agent = new Agent({ | ||
| config: { | ||
| label: 'nodejs-register-agent', | ||
| walletConfig: { id: 'nodejs-register-agent', key: 'nodejs-register-key' }, | ||
| logger: new ConsoleLogger(LogLevel.off), | ||
| endpoints: ['https://36ba-161-51-75-238.ngrok-free.app'], | ||
| }, | ||
| modules, | ||
| dependencies: agentDependencies, | ||
| }) | ||
|
|
||
| agent.registerOutboundTransport(new WsOutboundTransport()) | ||
| agent.registerOutboundTransport(new HttpOutboundTransport()) | ||
| agent.registerInboundTransport(new HttpInboundTransport({ port: 3001 })) | ||
|
|
||
| await agent.initialize() | ||
|
|
||
| const { outOfBandInvitation } = await agent.oob.createInvitation() | ||
| const url = outOfBandInvitation.toUrl({ domain: 'https://example.org' }) | ||
| const qrcode = await QRCode.toString(url, { type: 'terminal', small: true }) | ||
| console.log(qrcode) | ||
|
|
||
| agent.events.on<ConnectionStateChangedEvent>( | ||
| ConnectionEventTypes.ConnectionStateChanged, | ||
| async ({ payload: { connectionRecord } }) => { | ||
| console.log(`NEW CONNECTION STATE: ${connectionRecord.state}`) | ||
| if (connectionRecord.state === DidExchangeState.Completed) { | ||
| await issue(agent, connectionRecord.id) | ||
| } | ||
| } | ||
| ) | ||
|
|
||
| agent.events.on<CredentialStateChangedEvent>( | ||
| CredentialEventTypes.CredentialStateChanged, | ||
| async ({ payload: { credentialRecord } }) => { | ||
| console.log(`NEW CREDENTIAL STATE: ${credentialRecord.state}`) | ||
| if (credentialRecord.state === CredentialState.Done) { | ||
| console.log('Issued credential!') | ||
| process.exit(0) | ||
| } | ||
| } | ||
| ) | ||
| })() | ||
|
|
||
| const issue = async (agent: Agent<typeof modules>, connectionId: string) => { | ||
| const seed = TypedArrayEncoder.fromString('abbakabba00000000000000000000000') | ||
| const unqualifiedIndyDid = 'NyKUCBjGVmmaUopiXAnLpj' | ||
| const indyDid = `did:indy:bcovrin:test:${unqualifiedIndyDid}` | ||
| await agent.dids.import({ | ||
| did: indyDid, | ||
| overwrite: true, | ||
| privateKeys: [{ keyType: KeyType.Ed25519, privateKey: seed }], | ||
| }) | ||
|
|
||
| const schemaResult = await agent.modules.anoncreds.registerSchema({ | ||
| schema: { | ||
| name: 'react-native-ble-didcomm-schema', | ||
| version: `1.0.${Date.now()}`, | ||
| attrNames: ['name', 'age'], | ||
| issuerId: indyDid, | ||
| }, | ||
| options: {}, | ||
| }) | ||
|
|
||
| if (schemaResult.schemaState.state === 'failed') { | ||
| throw new Error(`Error creating schema: ${schemaResult.schemaState.reason}`) | ||
| } | ||
|
|
||
| console.log('registered schema') | ||
|
|
||
| const credentialDefinitionResult = await agent.modules.anoncreds.registerCredentialDefinition({ | ||
| credentialDefinition: { | ||
| tag: 'default', | ||
| issuerId: indyDid, | ||
| schemaId: schemaResult.schemaState.schemaId, | ||
| }, | ||
| options: { | ||
| supportRevocation: false, | ||
| }, | ||
| }) | ||
|
|
||
| if (credentialDefinitionResult.credentialDefinitionState.state === 'failed') { | ||
| throw new Error( | ||
| `Error creating credential definition: ${credentialDefinitionResult.credentialDefinitionState.reason}` | ||
| ) | ||
| } | ||
|
|
||
| if (!credentialDefinitionResult.credentialDefinitionState.credentialDefinitionId) { | ||
| throw new Error('Could not find credential definition id on state') | ||
| } | ||
|
|
||
| console.log('registered credential definition!') | ||
|
|
||
| await agent.credentials.offerCredential({ | ||
| protocolVersion: 'v2', | ||
| connectionId: connectionId, | ||
| credentialFormats: { | ||
| anoncreds: { | ||
| credentialDefinitionId: credentialDefinitionResult.credentialDefinitionState.credentialDefinitionId, | ||
| attributes: [ | ||
| { name: 'name', value: 'Jane Doe' }, | ||
| { name: 'age', value: '23' }, | ||
| ], | ||
| }, | ||
| }, | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import { type CameraType, CameraView, useCameraPermissions } from 'expo-camera' | ||
| import { useState } from 'react' | ||
| import { Button, StyleSheet, Text, TouchableOpacity, View } from 'react-native' | ||
|
|
||
| type CameraProps = { | ||
| onQrScanned: (data: string) => Promise<void> | void | ||
| } | ||
|
|
||
| export const Camera: React.FC<CameraProps> = ({ onQrScanned }) => { | ||
| const [facing, setFacing] = useState<CameraType>('back') | ||
| const [permission, requestPermission] = useCameraPermissions() | ||
|
|
||
| if (!permission) { | ||
| return ( | ||
| <View> | ||
| <Text>Loading...</Text> | ||
| </View> | ||
| ) | ||
| } | ||
|
|
||
| if (!permission.granted) { | ||
| return ( | ||
| <View style={styles.container}> | ||
| <Text style={styles.message}>We need your permission to show the camera</Text> | ||
| <Button onPress={requestPermission} title="grant permission" /> | ||
| </View> | ||
| ) | ||
| } | ||
| function toggleCameraFacing() { | ||
| setFacing((current) => (current === 'back' ? 'front' : 'back')) | ||
| } | ||
|
|
||
| return ( | ||
| <View style={styles.container}> | ||
| <CameraView | ||
| style={styles.camera} | ||
| barcodeScannerSettings={{ barcodeTypes: ['qr'] }} | ||
| onBarcodeScanned={({ data }) => onQrScanned(data)} | ||
| facing={facing} | ||
| > | ||
| <View style={styles.buttonContainer}> | ||
| <TouchableOpacity style={styles.button} onPress={toggleCameraFacing}> | ||
| <Text style={styles.text}>Flip Camera</Text> | ||
| </TouchableOpacity> | ||
| </View> | ||
| </CameraView> | ||
| </View> | ||
| ) | ||
| } | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| container: { | ||
| flex: 1, | ||
| justifyContent: 'center', | ||
| }, | ||
| message: { | ||
| textAlign: 'center', | ||
| paddingBottom: 10, | ||
| }, | ||
| camera: { | ||
| flex: 1, | ||
| }, | ||
| buttonContainer: { | ||
| flex: 1, | ||
| flexDirection: 'row', | ||
| backgroundColor: 'transparent', | ||
| margin: 64, | ||
| }, | ||
| button: { | ||
| flex: 1, | ||
| alignSelf: 'flex-end', | ||
| alignItems: 'center', | ||
| }, | ||
| text: { | ||
| fontSize: 24, | ||
| fontWeight: 'bold', | ||
| color: 'white', | ||
| }, | ||
| }) |
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