feature: DPSN Plugin

[AnishRane]

Relates to

This PR implements a new feature request to enhance ElizaOS agents with real-time data streaming capabilities by integrating the @elizaOS
/plugin-dpsn plugin. It enables agents to subscribe to any data streams available on the DPSN Data Streams Store, as well as custom streams published via DPSN’s pub/sub infrastructure. No specific issue or ticket is tied to this contribution; it introduces a standalone improvement to expand ElizaOS functionality for dynamic, data-driven responses.

Background

What does this PR do?

• Integrates the @elizaos/plugin-dpsn plugin into the ElizaOS agent runtime, enabling real-time data stream capabilities.
• Adds relevant code to initialize the DpsnService, allowing other parts of the application to subscribe to DPSN topics.
• Enables ElizaOS agents to automatically consume real-time streams published over DPSN, providing dynamic responses to external events (e.g., market updates, decentralized sensor data, etc.).
• Allows users to leverage existing streams from the marketplace at streams.dpsn.org.

What kind of change is this?

Features (non-breaking change which adds functionality)

This integration brings real-time data stream capabilities to ElizaOS agents, enhancing their ability to respond dynamically to external events. Users can publish their own real-time streams over DPSN for automatic consumption by ElizaOS agents and tap into existing streams from the DPSN marketplace at streams.dpsn.org.

Documentation changes needed?

• My changes require a change to the project documentation.
• I have updated the documentation accordingly.

Testing

Where should a reviewer start?

• Key Files:
  • index.ts - Script to implement plugin in ElizaOS.
  • dpsn-integration.test.ts - Integration test to verify DPSN integration.

Detailed testing steps

1. Set Up Environment Variables:

   • Add DPSN_URL=betanet.dpsn.org and DPSN_WALLET_PVT_KEY=<your_private_key> to your .env.

     Note: DPSN_URL and DPSN_WALLET_PVT_KEY environment variables are required for the plugin to function .

2. Install Dependencies:

   bun install

3. Build Project:

   bun run build

4. Change directory to :

   cd packages/plugin-dpsn

5. Run test-cases:

   bun test

For any further queries please reachout to us on 📥 DPSN Developers Telegram

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[parag]

Awesome. Look forward to being part of Eliza.

Most DPSN streams can be auto-minted to Eliza as an agent in phase 2.