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FinFocus Documentation

Plugin Development Guide

This guide explains how to develop plugins for FinFocus Core.

Protocol Overview

Section titled “Protocol Overview”

Plugins communicate with the Core engine via gRPC. The protocol is defined in the finfocus-spec repository.

Conformance Testing

Section titled “Conformance Testing”

To ensure your plugin is compliant with the protocol, use the conformance testing tool:

Terminal window
finfocus plugin conformance ./path/to/your-plugin

Best Practices

Section titled “Best Practices”
  1. Error Handling: Return appropriate gRPC error codes (NotFound, InvalidArgument, etc.).
  2. Timeouts: Respect context cancellations and timeouts.
  3. Performance: Optimize for batch processing where possible.