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Instantiate environment with asynchronous API #768
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…h-environment-async
rphmeier
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A0-please_review
NikVolf
reviewed
Jan 16, 2020
| impl_name: create_runtime_str!("parity-kusama"), | ||
| authoring_version: 2, | ||
| spec_version: 1040, | ||
| spec_version: 1041, |
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It might not be needed, CI have me an error before though.
mxinden
reviewed
Jan 16, 2020
| // Rust bug: https://github.com/rust-lang/rust/issues/24159 | ||
| sp_api::StateBackendFor<P, Block>: sp_api::StateBackend<HasherFor<Block>> + Send, | ||
| { | ||
| type CreateProposer = Pin<Box< |
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Is it necessary for this to be Pin? In case the future is Unpin I would suggest pinning on polling.
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I guess not - I'll avoid pinning in the follow-up if possible.
mxinden
reviewed
Jan 16, 2020
| // Rust bug: https://github.com/rust-lang/rust/issues/24159 | ||
| sp_api::StateBackendFor<P, Block>: sp_api::StateBackend<HasherFor<Block>> + Send, | ||
| { | ||
| type CreateProposer = Pin<Box< |
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The following compiles for me:
diff --git a/validation/src/lib.rs b/validation/src/lib.rs
index 860c1a6f..51f09700 100644
--- a/validation/src/lib.rs
+++ b/validation/src/lib.rs
@@ -569,9 +569,7 @@ impl<C, N, P, SC, TxPool, B> consensus::Environment<Block> for ProposerFactory<C
// Rust bug: https://github.com/rust-lang/rust/issues/24159
sp_api::StateBackendFor<P, Block>: sp_api::StateBackend<HasherFor<Block>> + Send,
{
- type CreateProposer = Pin<Box<
- dyn Future<Output = Result<Self::Proposer, Self::Error>> + Send + Unpin + 'static
- >>;
+ type CreateProposer = futures::future::Ready<Result<Self::Proposer, Self::Error>>;
type Proposer = Proposer<P, TxPool, B>;
type Error = Error;
@@ -597,7 +595,7 @@ impl<C, N, P, SC, TxPool, B> consensus::Environment<Block> for ProposerFactory<C
backend: self.backend.clone(),
});
- Box::pin(future::ready(maybe_proposer))
+ future::ready(maybe_proposer)
}
}
Contributor
|
A follow up pull request in regards to my suggestion is fine. |
andresilva
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Jan 17, 2020
This reverts commit 989db4b.
andresilva
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Jan 17, 2020
* update latest substrate polkadot-master * fix test compilation * bump version to 0.7.18 * bump impl_version * update substrate * Revert "Instantiate environment with asynchronous API (#768)" This reverts commit 989db4b. * update substrate * remove unused parameter type * bump trie-db version for tests * fix collator test * update substrate * remove unnecessary service changes
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tiny patch for paritytech/substrate#4630