DIMO-Network/dimo-streams-demo

Example Code for Subscribing to DIMO Data

Overview

This is a demo application that utilizes the Streamr JavaScript Client to subscribe to a data stream. Streamr is a decentralized P2P real-time data pub/sub network. By running this demo application, you will be operating a light Streamr node that subscribes to an existing data stream.

Installation

1. Install npm (if you don't have this in your environment):

brew install node && brew install npm

2. Clone this repository:

git clone https://github.com/DIMO-Network/dimo-streams-demo.git

3. Install the dependencies for this application:

The Streamr JavaScript Client uses some npm dependencies that have been deprecated in Node v21, please use a Node version < 21 to ensure a successful installation.

npm i

4. Install npx globally:

npm i -g npx

5. Start the Streamr subscriber:

npm run start

Configurations

In index.ts, update the streamId constant to any data stream that you have access to. Since the demo uses the public DIMO Weather Stream, we generate a random 0x address to be used in the privateKey to initiate the Streamr client. If you are subscribing to a private data stream, simply update the Streamr client call to use your own privateKey:

  const client = new StreamrClient({
    auth: {
      privateKey: <use_your_own_privateKey>
    },
  });