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Replace StartWork and StopWork with an ActiveLeavesUpdate signal (#1431)

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Robert Habermeier
2020-07-22 12:12:49 -04:00
committed by GitHub
parent 42ddcada02
commit 5be366d6dc
10 changed files with 55 additions and 31 deletions
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polkadot/roadmap/implementers-guide/src/node/utility/provisioner.md
+6 -2
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@@ -50,8 +50,12 @@ The subsystem should maintain a set of handles to Block Authorship Provisioning
### On Overseer Signal
- `StartWork`: spawn a Block Authorship Provisioning Job with the given relay parent, storing a bidirectional channel with that job.
- `StopWork`: terminate the Block Authorship Provisioning Job for the given relay parent, if any.
- `ActiveLeavesUpdate`:
- For each `activated` head:
- spawn a Block Authorship Provisioning Job with the given relay parent, storing a bidirectional channel with that job.
- For each `deactivated` head:
- terminate the Block Authorship Provisioning Job for the given relay parent, if any.
- `Conclude`: Forward `Conclude` to all jobs, waiting a small amount of time for them to join, and then hard-exiting.
### On `ProvisionerMessage`