Crate cumulus_client_consensus_common

Modules

import_queue

(unstable) Composable utilities for constructing import queues for parachains.

Structs

ParachainBlockImport

Parachain specific block import.

ParachainCandidate

The result of ParachainConsensus::produce_candidate.

ParentSearchParams

Parameters when searching for suitable parents to build on top of.

PotentialParent

A potential parent block returned from find_potential_parents

Enums

LevelLimit

Upper bound to the number of leaves allowed for each level of the blockchain.

Constants

MAX_LEAVES_PER_LEVEL_SENSIBLE_DEFAULT

Value good enough to be used with parachains using the current backend implementation that ships with Substrate. This value may change in the future.

Traits

ParachainBlockImportMarker

Marker trait denoting a block import type that fits the parachain requirements.

ParachainConsensus

A specific parachain consensus implementation that can be used by a collator to produce candidates.

ValidationCodeHashProvider

Provides the hash of validation code used for authoring/execution of blocks at a given hash.

Functions

finalized_heads

Returns a stream that will yield finalized heads for the given para_id.

find_potential_parents

Perform a recursive search through blocks to find potential parent blocks for a new block.

load_abridged_host_configuration

Reads abridged host configuration from the relay chain storage at the given relay parent.

relay_slot_and_timestamp

Get the relay-parent slot and timestamp from a header.

run_parachain_consensus

Run the parachain consensus.

search_child_branches_for_parents

Start search for child blocks that can be used as parents.