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Struct Collator

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pub struct Collator<Block, P, BI, CIDP, RClient, Proposer, CS> { /* private fields */ }
Expand description

A utility struct for writing collation logic that makes use of Aura entirely or in part. See module docs for more details.

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> Collator<Block, P, BI, CIDP, RClient, Proposer, CS>
where Block: BlockT, RClient: RelayChainInterface, CIDP: CreateInherentDataProviders<Block, ()> + 'static, BI: BlockImport<Block> + ParachainBlockImportMarker + Send + Sync + 'static, Proposer: ProposerInterface<Block>, CS: CollatorServiceInterface<Block>, P: Pair, P::Public: AppPublic + Member, P::Signature: TryFrom<Vec<u8>> + Member + Codec,

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pub fn new(params: Params<BI, CIDP, RClient, Proposer, CS>) -> Self

Instantiate a new instance of the Aura manager.

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pub async fn create_inherent_data_with_rp_offset( &self, relay_parent: PHash, validation_data: &PersistedValidationData, parent_hash: Block::Hash, timestamp: impl Into<Option<Timestamp>>, relay_parent_descendants: Option<RelayParentData>, ) -> Result<(ParachainInherentData, InherentData), Box<dyn Error + Send + Sync + 'static>>

Explicitly creates the inherent data for parachain block authoring and overrides the timestamp inherent data with the one provided, if any. Additionally allows to specify relay parent descendants that can be used to prevent authoring at the tip of the relay chain.

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pub async fn create_inherent_data( &self, relay_parent: PHash, validation_data: &PersistedValidationData, parent_hash: Block::Hash, timestamp: impl Into<Option<Timestamp>>, ) -> Result<(ParachainInherentData, InherentData), Box<dyn Error + Send + Sync + 'static>>

Explicitly creates the inherent data for parachain block authoring and overrides the timestamp inherent data with the one provided, if any.

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pub async fn build_block_and_import( &mut self, parent_header: &Block::Header, slot_claim: &SlotClaim<P::Public>, additional_pre_digest: impl Into<Option<Vec<DigestItem>>>, inherent_data: (ParachainInherentData, InherentData), proposal_duration: Duration, max_pov_size: usize, ) -> Result<Option<ParachainCandidate<Block>>, Box<dyn Error + Send + 'static>>

Build and import a parachain block on the given parent header, using the given slot claim.

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pub async fn collate( &mut self, parent_header: &Block::Header, slot_claim: &SlotClaim<P::Public>, additional_pre_digest: impl Into<Option<Vec<DigestItem>>>, inherent_data: (ParachainInherentData, InherentData), proposal_duration: Duration, max_pov_size: usize, ) -> Result<Option<(Collation, ParachainBlockData<Block>)>, Box<dyn Error + Send + 'static>>

Propose, seal, import a block and packaging it into a collation.

Provide the slot to build at as well as any other necessary pre-digest logs, the inherent data, and the proposal duration and PoV size limits.

The Aura pre-digest should not be explicitly provided and is set internally.

This does not announce the collation to the parachain network or the relay chain.

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pub fn collator_service(&self) -> &CS

Get the underlying collator service.

Auto Trait Implementations§

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> Freeze for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>
where CIDP: Freeze, BI: Freeze, RClient: Freeze, Proposer: Freeze, CS: Freeze,

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> !RefUnwindSafe for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> Send for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>
where CIDP: Send, BI: Send, RClient: Send, Proposer: Send, CS: Send, Block: Send,

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> Sync for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>
where CIDP: Sync, BI: Sync, RClient: Sync, Proposer: Sync, CS: Sync, Block: Sync,

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> Unpin for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>
where CIDP: Unpin, BI: Unpin, RClient: Unpin, Proposer: Unpin, CS: Unpin, Block: Unpin,

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impl<Block, P, BI, CIDP, RClient, Proposer, CS> !UnwindSafe for Collator<Block, P, BI, CIDP, RClient, Proposer, CS>

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