feat: send and process credentials as attachments when sharing

packages/agent-explore/src/plugins/chats/ShareForm.tsx

@@ -8,13 +8,15 @@ import Editor from '@monaco-editor/react';
 import { ResponsiveContainer } from '../../components/ResponsiveContainer'
 import { v4 } from 'uuid'
 import { useNavigate } from 'react-router'
+import { computeEntryHash } from '@veramo/utils'
 
 
 export const ShareForm: React.FC = () => {
  const token = theme.useToken()
 
 console.log('here')
  const [message, setMessage] = useState<string>(window.localStorage.getItem('bs-post') || '')
+ const attachment = window.localStorage.getItem('attachment')
  const { notification } = App.useApp()
  const navigate = useNavigate()
 
@@ -26,19 +28,31 @@ console.log('here')
  window.localStorage.setItem('bs-post', message)
  }, [message])
 
+ console.log("attachment: ", attachment)
 
  const handleSend = async (did: string, issuerAgent: TAgent<ICredentialIssuer & IDataStore>) => {
  setIsSending(true)
  try {
- const threadId = v4()
+ const messageId = v4()
+
+ const parsedAttachment = JSON.parse(attachment!)!
+ const canonicalCredential = parsedAttachment?.proof?.type === 'JwtProof2020' &&
+ typeof parsedAttachment?.proof?.jwt === 'string'
+ ? parsedAttachment?.proof?.jwt
+ : parsedAttachment
+ const threadId = computeEntryHash(canonicalCredential)
  const shareMessage = {
  type: 'https://didcomm.org/basicmessage/2.0/message',
  from: did,
  created_time: new Date().getTime(),
  to: recepient,
- id: threadId,
+ id: messageId,
  thid: threadId,
- body: { content: message }
+ body: { content: message },
+ attachments: [{
+ media_type: 'credential+ld+json',
+ data: { json: JSON.parse(attachment!) }
+ }]
  }
  const packedMessage = await issuerAgent.packDIDCommMessage({ 
  message: shareMessage, 

packages/agent-explore/src/plugins/chats/saveMessageHandler.ts

@@ -34,6 +34,15 @@ export class SaveMessageHandler extends AbstractMessageHandler {
  if (!localMessage) {
  console.log('Saving message', message)
  await context.agent.dataStoreSaveMessage({ message })
+ if (message.attachments && message.attachments.length > 0) {
+ console.log("attachments found")
+ for (const attachment of message.attachments) {
+ if (attachment.media_type === 'credential+ld+json') {
+ const credential = await context.agent.dataStoreSaveVerifiableCredential({ verifiableCredential: attachment.data.json})
+ console.log("saved attached credential: ", credential)
+ }
+ }
+ }
  }
  }