Runtime API for historical validation code (#1893)

* 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
@@ -0,0 +1,7 @@
# Historical Validation Code
Fetch the historical validation code used by a para for candidates executed in the context of a given block height in the current chain.
```rust
fn historical_validation_code(at: Block, para_id: ParaId, context_height: BlockNumber) -> Option<ValidationCode>;
```