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prospective-parachains: respond with multiple backable candidates (#3160)

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Fixes https://github.com/paritytech/polkadot-sdk/issues/3129
This commit is contained in:
Alin Dima
2024-02-06 10:21:28 +02:00
committed by GitHub
parent 53f615de50
commit 7df1ae3b81
9 changed files with 844 additions and 92 deletions
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polkadot/node/core/provisioner/src/lib.rs
+5 -2
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@@ -806,15 +806,18 @@ async fn get_backable_candidate(
) -> Result<Option<(CandidateHash, Hash)>, Error> {
let (tx, rx) = oneshot::channel();
sender
.send_message(ProspectiveParachainsMessage::GetBackableCandidate(
.send_message(ProspectiveParachainsMessage::GetBackableCandidates(
relay_parent,
para_id,
1, // core count hardcoded to 1, until elastic scaling is implemented and enabled.
required_path,
tx,
))
.await;
rx.await.map_err(Error::CanceledBackableCandidate)
rx.await
.map_err(Error::CanceledBackableCandidate)
.map(|res| res.get(0).copied())
}
/// The availability bitfield for a given core is the transpose