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Dispute Coordinator: Batch queries (#3459)

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* disputes: Allow batch queries in dispute-coordinator

This commit moves to batch queries when responding to QueryCandidateVotes
messages. This simplifies the code in the provisioner and dispute-coordinator
by no longer requiring to make use of a FuturesOrdered when awaiting multiple
quries. Instead, the provisioner need only request the batch itself.

* node/approval-voting: Address Feedback to fail on query element missing.

* Address feedback

* Fix implementer's guide
This commit is contained in:
Lldenaurois
2021-07-12 21:06:14 -04:00
committed by GitHub
parent 2d102308de
commit 2d66b8f256
8 changed files with 66 additions and 74 deletions
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polkadot/node/subsystem-types/src/messages.rs
+4 -1
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@@ -232,7 +232,10 @@ pub enum DisputeCoordinatorMessage {
/// These disputes are either unconcluded or recently concluded.
ActiveDisputes(oneshot::Sender<Vec<(SessionIndex, CandidateHash)>>),
/// Get candidate votes for a candidate.
QueryCandidateVotes(SessionIndex, CandidateHash, oneshot::Sender<Option<CandidateVotes>>),
QueryCandidateVotes(
Vec<(SessionIndex, CandidateHash)>,
oneshot::Sender<Vec<(SessionIndex, CandidateHash, CandidateVotes)>>,
),
/// Sign and issue local dispute votes. A value of `true` indicates validity, and `false` invalidity.
IssueLocalStatement(SessionIndex, CandidateHash, CandidateReceipt, bool),
/// Determine the highest undisputed block within the given chain, based on where candidates