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introduce a method for fetching relay chain header to RelayChainInterface (#2794)

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* introduce a method for fetching header to RelayChainInterface

* cargo fmt

* return Option<Header>
This commit is contained in:
Web3 Philosopher
2023-07-04 16:27:31 +02:00
committed by GitHub
parent 7f2238a218
commit 9c183893ae
5 changed files with 60 additions and 4 deletions
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cumulus/client/relay-chain-inprocess-interface/src/lib.rs
+17 -2
View File
@@ -19,8 +19,9 @@ use std::{pin::Pin, sync::Arc, time::Duration};
use async_trait::async_trait;
use cumulus_primitives_core::{
relay_chain::{
runtime_api::ParachainHost, Block as PBlock, CommittedCandidateReceipt, Hash as PHash,
Header as PHeader, InboundHrmpMessage, OccupiedCoreAssumption, SessionIndex, ValidatorId,
runtime_api::ParachainHost, Block as PBlock, BlockId, CommittedCandidateReceipt,
Hash as PHash, Header as PHeader, InboundHrmpMessage, OccupiedCoreAssumption, SessionIndex,
ValidatorId,
},
InboundDownwardMessage, ParaId, PersistedValidationData,
};
@@ -79,6 +80,7 @@ impl<T> Clone for RelayChainInProcessInterface<T> {
impl<Client> RelayChainInterface for RelayChainInProcessInterface<Client>
where
Client: ProvideRuntimeApi<PBlock>
+ HeaderBackend<PBlock>
+ BlockchainEvents<PBlock>
+ AuxStore
+ UsageProvider<PBlock>
@@ -110,6 +112,18 @@ where
)?)
}
async fn header(&self, block_id: BlockId) -> RelayChainResult<Option<PHeader>> {
let hash = match block_id {
BlockId::Hash(hash) => hash,
BlockId::Number(num) => self.full_client.hash(num)?.ok_or_else(|| {
RelayChainError::GenericError(format!("block with number {num} not found"))
})?,
};
let header = self.full_client.header(hash)?;
Ok(header)
}
async fn persisted_validation_data(
&self,
hash: PHash,
@@ -299,6 +313,7 @@ impl ExecuteWithClient for RelayChainInProcessInterfaceBuilder {
fn execute_with_client<Client, Api, Backend>(self, client: Arc<Client>) -> Self::Output
where
Client: ProvideRuntimeApi<PBlock>
+ HeaderBackend<PBlock>
+ BlockchainEvents<PBlock>
+ AuxStore
+ UsageProvider<PBlock>