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collator protocol: Provide parent head data #3128

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Tracked by #1829
eskimor opened this issue Jan 30, 2024 · 1 comment · Fixed by #3302 or #3521
Closed
Tracked by #1829

collator protocol: Provide parent head data #3128

eskimor opened this issue Jan 30, 2024 · 1 comment · Fixed by #3302 or #3521
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@eskimor
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eskimor commented Jan 30, 2024 •
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Add an additional (backwards compatibility) advertise collation message, which triggers a different collation fetch request (requesting also the head data of the parent) -> Make use of that head data in candidate validation.
@eskimor eskimor mentioned this issue Jan 30, 2024
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@ordian ordian moved this from Backlog to In Progress in parachains team board Feb 6, 2024
@ordian ordian mentioned this issue Feb 13, 2024
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@ordian ordian moved this from In Progress to Review in progress in parachains team board Mar 4, 2024
@ordian ordian added T9-cumulus This PR/Issue is related to cumulus. and removed T9-cumulus This PR/Issue is related to cumulus. labels Mar 11, 2024
github-merge-queue bot pushed a commit that referenced this issue Mar 15, 2024
@ordian
collator protocol changes for elastic scaling (validator side) (#3302)
02e1a7f 
Fixes #3128.

This introduces a new variant for the collation response from the
collator that includes the parent head data. For now, collators won't
send this new variant. We'll need to change the collator side of the
collator protocol to detect all the cores assigned to a para and send
the parent head data in the case when it's more than 1 core.

- [x] validate approach
- [x] check head data hash
@github-project-automation github-project-automation bot moved this from Review in progress to Completed in parachains team board Mar 15, 2024
@ordian ordian linked a pull request Mar 16, 2024 that will close this issue
collator-side: send parent head data #3521
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ordian commented Mar 16, 2024

reopening until #3521 is merged

@ordian ordian reopened this Mar 16, 2024
dharjeezy pushed a commit to dharjeezy/polkadot-sdk that referenced this issue Mar 24, 2024
@ordian @dharjeezy
collator protocol changes for elastic scaling (validator side) (parit…
08003bb 
…ytech#3302)

Fixes paritytech#3128.

This introduces a new variant for the collation response from the
collator that includes the parent head data. For now, collators won't
send this new variant. We'll need to change the collator side of the
collator protocol to detect all the cores assigned to a para and send
the parent head data in the case when it's more than 1 core.

- [x] validate approach
- [x] check head data hash
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