Single ParachainBlockImport instance (#1782)

cumulus/client/consensus/aura/src/import_queue.rs

@@ -17,6 +17,7 @@
 //! Parachain specific wrapper for the AuRa import queue.
 
 use codec::Codec;
+use cumulus_client_consensus_common::ParachainBlockImport;
 use sc_client_api::{backend::AuxStore, BlockOf, UsageProvider};
 use sc_consensus::{import_queue::DefaultImportQueue, BlockImport};
 use sc_consensus_aura::AuraVerifier;
@@ -33,10 +34,10 @@ use sp_runtime::traits::Block as BlockT;
 use std::{fmt::Debug, hash::Hash, sync::Arc};
 use substrate_prometheus_endpoint::Registry;
 
-/// Parameters of [`import_queue`].
+/// Parameters for [`import_queue`].
 pub struct ImportQueueParams<'a, I, C, CIDP, S> {
 	/// The block import to use.
-	pub block_import: I,
+	pub block_import: ParachainBlockImport<I>,
 	/// The client to interact with the chain.
 	pub client: Arc<C>,
 	/// The inherent data providers, to create the inherent data.
@@ -83,7 +84,7 @@ where
 	CIDP::InherentDataProviders: InherentDataProviderExt + Send + Sync,
 {
 	sc_consensus_aura::import_queue::<P, _, _, _, _, _>(sc_consensus_aura::ImportQueueParams {
-		block_import: cumulus_client_consensus_common::ParachainBlockImport::new(block_import),
+		block_import,
 		justification_import: None,
 		client,
 		create_inherent_data_providers,

cumulus/client/consensus/aura/src/lib.rs

@@ -71,6 +71,22 @@ impl<B, CIDP, W> Clone for AuraConsensus<B, CIDP, W> {
 	}
 }
 
+/// Parameters of [`AuraConsensus::build`].
+pub struct BuildAuraConsensusParams<PF, BI, CIDP, Client, BS, SO> {
+	pub proposer_factory: PF,
+	pub create_inherent_data_providers: CIDP,
+	pub block_import: ParachainBlockImport<BI>,
+	pub para_client: Arc<Client>,
+	pub backoff_authoring_blocks: Option<BS>,
+	pub sync_oracle: SO,
+	pub keystore: SyncCryptoStorePtr,
+	pub force_authoring: bool,
+	pub slot_duration: SlotDuration,
+	pub telemetry: Option<TelemetryHandle>,
+	pub block_proposal_slot_portion: SlotProportion,
+	pub max_block_proposal_slot_portion: Option<SlotProportion>,
+}
+
 impl<B, CIDP> AuraConsensus<B, CIDP, ()>
 where
 	B: BlockT,
@@ -117,7 +133,7 @@ where
 		let worker = sc_consensus_aura::build_aura_worker::<P, _, _, _, _, _, _, _, _>(
 			BuildAuraWorkerParams {
 				client: para_client,
-				block_import: ParachainBlockImport::new(block_import),
+				block_import,
 				justification_sync_link: (),
 				proposer_factory,
 				sync_oracle,
@@ -216,19 +232,3 @@ where
 		Some(ParachainCandidate { block: res.block, proof: res.storage_proof })
 	}
 }
-
-/// Parameters of [`AuraConsensus::build`].
-pub struct BuildAuraConsensusParams<PF, BI, CIDP, Client, BS, SO> {
-	pub proposer_factory: PF,
-	pub create_inherent_data_providers: CIDP,
-	pub block_import: BI,
-	pub para_client: Arc<Client>,
-	pub backoff_authoring_blocks: Option<BS>,
-	pub sync_oracle: SO,
-	pub keystore: SyncCryptoStorePtr,
-	pub force_authoring: bool,
-	pub slot_duration: SlotDuration,
-	pub telemetry: Option<TelemetryHandle>,
-	pub block_proposal_slot_portion: SlotProportion,
-	pub max_block_proposal_slot_portion: Option<SlotProportion>,
-}