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Introduce interface for relay chain interaction (#835)

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This commit is contained in:
Sebastian Kunert
2021-12-22 19:02:11 +01:00
committed by GitHub
parent 7acfd4f80a
commit 876e594f59
30 changed files with 1512 additions and 1607 deletions
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cumulus/client/pov-recovery/src/lib.rs
+13 -20
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@@ -44,7 +44,6 @@
use sc_client_api::{BlockBackend, BlockchainEvents, UsageProvider};
use sc_consensus::import_queue::{ImportQueue, IncomingBlock};
use sp_api::ProvideRuntimeApi;
use sp_consensus::{BlockOrigin, BlockStatus};
use sp_runtime::{
generic::BlockId,
@@ -54,11 +53,11 @@ use sp_runtime::{
use polkadot_node_primitives::{AvailableData, POV_BOMB_LIMIT};
use polkadot_overseer::Handle as OverseerHandle;
use polkadot_primitives::v1::{
Block as PBlock, CandidateReceipt, CommittedCandidateReceipt, Id as ParaId, ParachainHost,
SessionIndex,
CandidateReceipt, CommittedCandidateReceipt, Id as ParaId, SessionIndex,
};
use cumulus_primitives_core::ParachainBlockData;
use cumulus_relay_chain_interface::RelayChainInterface;
use codec::Decode;
use futures::{select, stream::FuturesUnordered, Future, FutureExt, Stream, StreamExt};
@@ -102,15 +101,14 @@ pub struct PoVRecovery<Block: BlockT, PC, IQ, RC> {
relay_chain_slot_duration: Duration,
parachain_client: Arc<PC>,
parachain_import_queue: IQ,
relay_chain_client: Arc<RC>,
relay_chain_interface: RC,
para_id: ParaId,
}
impl<Block: BlockT, PC, IQ, RC> PoVRecovery<Block, PC, IQ, RC>
impl<Block: BlockT, PC, IQ, RCInterface> PoVRecovery<Block, PC, IQ, RCInterface>
where
PC: BlockBackend<Block> + BlockchainEvents<Block> + UsageProvider<Block>,
RC: ProvideRuntimeApi<PBlock> + BlockchainEvents<PBlock>,
RC::Api: ParachainHost<PBlock>,
RCInterface: RelayChainInterface + Clone,
IQ: ImportQueue<Block>,
{
/// Create a new instance.
@@ -119,7 +117,7 @@ where
relay_chain_slot_duration: Duration,
parachain_client: Arc<PC>,
parachain_import_queue: IQ,
relay_chain_client: Arc<RC>,
relay_chain_interface: RCInterface,
para_id: ParaId,
) -> Self {
Self {
@@ -130,7 +128,7 @@ where
waiting_for_parent: HashMap::new(),
parachain_client,
parachain_import_queue,
relay_chain_client,
relay_chain_interface,
para_id,
}
}
@@ -365,7 +363,7 @@ where
let mut imported_blocks = self.parachain_client.import_notification_stream().fuse();
let mut finalized_blocks = self.parachain_client.finality_notification_stream().fuse();
let pending_candidates =
pending_candidates(self.relay_chain_client.clone(), self.para_id).fuse();
pending_candidates(self.relay_chain_interface.clone(), self.para_id).fuse();
futures::pin_mut!(pending_candidates);
loop {
@@ -419,20 +417,15 @@ where
}
/// Returns a stream over pending candidates for the parachain corresponding to `para_id`.
fn pending_candidates<RC>(
relay_chain_client: Arc<RC>,
fn pending_candidates(
relay_chain_client: impl RelayChainInterface,
para_id: ParaId,
) -> impl Stream<Item = (CommittedCandidateReceipt, SessionIndex)>
where
RC: ProvideRuntimeApi<PBlock> + BlockchainEvents<PBlock>,
RC::Api: ParachainHost<PBlock>,
{
) -> impl Stream<Item = (CommittedCandidateReceipt, SessionIndex)> {
relay_chain_client.import_notification_stream().filter_map(move |n| {
let runtime_api = relay_chain_client.runtime_api();
let res = runtime_api
let res = relay_chain_client
.candidate_pending_availability(&BlockId::hash(n.hash), para_id)
.and_then(|pa| {
runtime_api
relay_chain_client
.session_index_for_child(&BlockId::hash(n.hash))
.map(|v| pa.map(|pa| (pa, v)))
})