Module syncer 

DAG synchronization with gap-repair logic.

The DAGSyncer handles reconciliation between replicas by:

1. Discovering missing nodes via head comparison
2. Fetching missing nodes from peers recursively
3. Handling concurrent heads (multi-root scenarios)

Structs

DAGSyncer

DAG synchronizer for gap-repair and reconciliation.

SyncConfig

Configuration for the DAG syncer.

SyncRequest

Request to fetch nodes from a peer.

SyncResponse

Response containing nodes from a peer.

SyncSimulator

Simulator for testing sync between multiple replicas.

SyncStatus

Status information about synchronization.

Enums

SyncError

Errors that can occur during synchronization.