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Runtime API for historical validation code (#1893)

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* fix: ensure candidate validation gets code based on occupied core assumption

* guide: runtime API for historical validation code

* add historical runtime API

* integrate into runtime API subsystem

* remove blocked TODO

* fix service build: enable notifications protocol only under real overseer

* Update node/subsystem/src/messages.rs

Co-authored-by: Sergei Shulepov <sergei@parity.io>

* fix compilation

Co-authored-by: Robert Habermeier <robert@Roberts-MacBook-Pro.local>
Co-authored-by: Sergei Shulepov <sergei@parity.io>
This commit is contained in:
Robert Habermeier
2020-11-02 12:19:53 -06:00
committed by GitHub
parent a3e58350bb
commit 1f4121c444
13 changed files with 152 additions and 7 deletions
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polkadot/node/subsystem/src/messages.rs
+10
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@@ -424,6 +424,16 @@ pub enum RuntimeApiRequest {
OccupiedCoreAssumption,
RuntimeApiSender<Option<ValidationCode>>,
),
/// Fetch the historical validation code used by a para for candidates executed in the
/// context of a given block height in the current chain.
///
/// `context_height` may be no greater than the height of the block in whose
/// state the runtime API is executed. Otherwise `None` is returned.
HistoricalValidationCode(
ParaId,
BlockNumber,
RuntimeApiSender<Option<ValidationCode>>,
),
/// Get a the candidate pending availability for a particular parachain by parachain / core index
CandidatePendingAvailability(ParaId, RuntimeApiSender<Option<CommittedCandidateReceipt>>),
/// Get all events concerning candidates (backing, inclusion, time-out) in the parent of