v0.1.0

SOF v0.1.0

Initial public release of SOF (Solana Observer Framework).

SOF is a lightweight observer runtime for low-latency shred ingestion, dataset reconstruction, transaction extraction, and plugin-driven extensions.

Highlights

• Async plugin framework with hot-path protection:
  • non-blocking enqueue
  • bounded event queue
  • sampled drop warnings under pressure
• Plugin dispatch strategies:
  • PluginDispatchMode::Sequential
  • PluginDispatchMode::BoundedConcurrent(N)
• Expanded hook surface (7 hooks total):
  • on_raw_packet
  • on_shred
  • on_dataset
  • on_transaction
  • on_recent_blockhash
  • on_cluster_topology (gossip mode)
  • on_leader_schedule (event-driven, gossip mode)
• Global observed state accessors on PluginHost:
  • latest_observed_recent_blockhash()
  • latest_observed_tpu_leader()
• Control-plane-only mode support:
  • SOF_LIVE_SHREDS_ENABLED=false

Runtime and Examples

• Runtime example quick starts are now cleaner and env-light.
• Added/updated plugin examples, including TPU leader logging:
  • tpu_leader_logger
  • observer_with_non_vote_plugin
  • observer_with_multiple_plugins
  • non_vote_tx_logger
  • raydium_contract