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Add HeaderBackend trait to BuildParachainContext for cumulus validation (#1153)

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Cecile Tonglet
2020-05-26 17:23:36 +02:00
committed by GitHub
parent 7889aaa4a7
commit 0ff80d0355
2 changed files with 6 additions and 4 deletions
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polkadot/collator/src/lib.rs
+2 -1
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@@ -53,6 +53,7 @@ use std::pin::Pin;
use futures::{future, Future, Stream, FutureExt, TryFutureExt, StreamExt, task::Spawn};
use log::warn;
use sc_client_api::{StateBackend, BlockchainEvents};
use sp_blockchain::HeaderBackend;
use sp_core::Pair;
use polkadot_primitives::{
BlockId, Hash, Block,
@@ -128,7 +129,7 @@ pub trait BuildParachainContext {
network: impl Network + Clone + 'static,
) -> Result<Self::ParachainContext, ()>
where
Client: ProvideRuntimeApi<Block> + Send + Sync + BlockchainEvents<Block> + 'static,
Client: ProvideRuntimeApi<Block> + HeaderBackend<Block> + BlockchainEvents<Block> + Send + Sync + 'static,
Client::Api: RuntimeApiCollection<Extrinsic>,
<Client::Api as ApiExt<Block>>::StateBackend: StateBackend<HashFor<Block>>,
Extrinsic: codec::Codec + Send + Sync + 'static,