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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/consensus/common/src/parachain_consensus.rs
+5 -9
View File
@@ -14,11 +14,11 @@
// You should have received a copy of the GNU General Public License
// along with Cumulus. If not, see <http://www.gnu.org/licenses/>.
use cumulus_relay_chain_interface::RelayChainInterface;
use sc_client_api::{
Backend, BlockBackend, BlockImportNotification, BlockchainEvents, Finalizer, UsageProvider,
};
use sc_consensus::{BlockImport, BlockImportParams, ForkChoiceStrategy};
use sp_api::ProvideRuntimeApi;
use sp_blockchain::{Error as ClientError, Result as ClientResult};
use sp_consensus::{BlockOrigin, BlockStatus};
use sp_runtime::{
@@ -26,9 +26,7 @@ use sp_runtime::{
traits::{Block as BlockT, Header as HeaderT},
};
use polkadot_primitives::v1::{
Block as PBlock, Id as ParaId, OccupiedCoreAssumption, ParachainHost,
};
use polkadot_primitives::v1::{Block as PBlock, Id as ParaId, OccupiedCoreAssumption};
use codec::Decode;
use futures::{future, select, FutureExt, Stream, StreamExt};
@@ -370,10 +368,9 @@ where
}
}
impl<T> RelaychainClient for Arc<T>
impl<RCInterface> RelaychainClient for RCInterface
where
T: sc_client_api::BlockchainEvents<PBlock> + ProvideRuntimeApi<PBlock> + 'static + Send + Sync,
<T as ProvideRuntimeApi<PBlock>>::Api: ParachainHost<PBlock>,
RCInterface: RelayChainInterface + Clone + 'static,
{
type Error = ClientError;
@@ -410,8 +407,7 @@ where
at: &BlockId<PBlock>,
para_id: ParaId,
) -> ClientResult<Option<Vec<u8>>> {
self.runtime_api()
.persisted_validation_data(at, para_id, OccupiedCoreAssumption::TimedOut)
self.persisted_validation_data(at, para_id, OccupiedCoreAssumption::TimedOut)
.map(|s| s.map(|s| s.parent_head.0))
.map_err(Into::into)
}