Module zebra_consensus::checkpoint
source ยท Expand description
Checkpoint-based block verification.
Checkpoint-based verification uses a list of checkpoint hashes to speed up the initial chain sync for Zebra. This list is distributed with Zebra.
The checkpoint verifier queues pending blocks. Once there is a chain from the previous checkpoint to a target checkpoint, it verifies all the blocks in that chain, and sends accepted blocks to the state service as finalized chain state, skipping the majority of contextual verification checks.
Verification starts at the first checkpoint, which is the genesis block for the configured network.
Re-exportsยง
pub use list::CheckpointList;
Modulesยง
- list ๐Checkpoint lists for checkpoint-based block verification
- types ๐Supporting types for checkpoint-based block verification
Structsยง
- A checkpointing block verifier.
- Queued
Block ๐An unverified block, which is in the queue for checkpoint verification. - Request
Block ๐The unverified block, with a receiver for theQueuedBlock
โs result.
Enumsยง
Constantsยง
- We limit the memory usage and download contention for each checkpoint, based on the cumulative size of the serialized blocks in the chain.
- We limit the maximum number of blocks in each checkpoint. Each block uses a constant amount of memory for the supporting data structures and futures.
- The maximum number of queued blocks at any one height.
Functionsยง
- progress_
from_ ๐tip Convert a tip into its hash and matching progress.
Type Aliasesยง
- Queued
Block ๐List A list of unverified blocks at a particular height.