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Deploying a Hugging Face Model as a Worker Node on the Allora Network

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Walkthrough: Deploying a Hugging Face Model as a Worker Node on the Allora Network

This guide provides a step-by-step process to deploy a Hugging Face model as a Worker Node within the Allora Network. By following these instructions, you will be able to integrate and run models from Hugging Face, contributing to the Allora decentralized machine intelligence ecosystem.

See complete walkthrough and instructions here.


Components

  • Worker: The node that publishes inferences to the Allora chain.
  • Inference: A container that conducts inferences, maintains the model state, and responds to internal inference requests via a Flask application. This node operates with a basic linear regression model for price predictions.

Check the docker-compose.yml file for the detailed setup of each component.

Docker-Compose Setup

A complete working example is provided in the docker-compose.yml file.

Steps to Setup

  1. Clone the Repository

  2. Copy and Populate Configuration

    Copy the example configuration file and populate it with your variables:

    cp config.example.json config.json
  3. Initialize Worker

    Run the following commands from the project's root directory to initialize the worker:

    chmod +x init.config
    ./init.config

    These commands will:

    • Automatically create Allora keys for your worker.
    • Export the needed variables from the created account to be used by the worker node, bundle them with your provided config.json, and pass them to the node as environment variables.
  4. Faucet Your Worker Node

    You can find the offchain worker node's address in ./worker-data/env_file under ALLORA_OFFCHAIN_ACCOUNT_ADDRESS. Add faucet funds to your worker's wallet before starting it.

  5. Start the Services

    Run the following command to start the worker node, inference, and updater nodes:

    docker compose up --build

    To confirm that the worker successfully sends the inferences to the chain, look for the following log:

    {"level":"debug","msg":"Send Worker Data to chain","txHash":<tx-hash>,"time":<timestamp>,"message":"Success"}
    

Testing Inference Only

This setup allows you to develop your model without the need to bring up the offchain worker. To test the inference model only:

  1. Run the following command to start the inference node:

    docker compose up --build inference
  2. Send requests to the inference model. For example, request ETH price inferences:

    curl http://127.0.0.1:8000/inference/ETH

    Expected response:

    {"value":"2564.021586281073"}
  3. Update the node's internal state (download pricing data, train, and update the model):

    curl http://127.0.0.1:8000/update

    Expected response:

    0

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