Changelog

🚨 Breaking Changes

[BREAKING] Label names have changed:
- proposer label renamed to validator
- address label renamed to validator
- Existing dashboards and alerts using these labels will need to be updated

✨ Added

OpenTelemetry (OTLP) support enabling centralized metrics collection
- Secure/insecure OTLP endpoint configuration
- Chain (testnet/mainnet) identification
- Node identity labeling for filtering on centralized collector
📊 New Metrics
- EVM block height and transaction count monitoring
- Active/inactive stake metrics for validator set analysis
- Enhanced validator metrics with signer labels
🤖 Automatic Validator Detection
- Self-identification of validator status
- Automatic validator address detection
- Dynamic label application based on node role

🔄 Changed

Complete metrics system refactor to use OpenTelemetry
Enhanced error handling and logging in monitors
Improved metric documentation and examples
More consistent label naming across all metrics

🗑️ Removed

Direct Prometheus metric registration (now handled through OpenTelemetry)

📝 Notes

Prometheus endpoint still available at :8086/metrics by default
OTLP export is optional and disabled by default
See updated README.md for new configuration options