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runtime: make the candidate relay parent progression check more strict #5113
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Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data.
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Looks good on a quick pass. Nice catch, thanks @alindima
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Nice catch @alindima. LGTM!
#5113) Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data. Prospective-parachains is already doing this check but we should also add it in the runtime
#5113) Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data. Prospective-parachains is already doing this check but we should also add it in the runtime
#5113) Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data. Prospective-parachains is already doing this check but we should also add it in the runtime
paritytech#5113) Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data. Prospective-parachains is already doing this check but we should also add it in the runtime
<!-- Remember that you can run `/merge` to enable auto-merge in the PR --> <!-- Remember to modify the changelog. If you don't need to modify it, you can check the following box. Instead, if you have already modified it, simply delete the following line. --> Includes the following fix: paritytech/polkadot-sdk#5113 - [x] Does not require a CHANGELOG entry Co-authored-by: fellowship-merge-bot[bot] <151052383+fellowship-merge-bot[bot]@users.noreply.github.com>
Previously, we were checking if the relay parent of a new candidate does not move backwards from the latest included on-chain candidate. This was fine prior to elastic scaling. We now need to also check that the relay parent progresses from the latest pending availability candidate, as well as check the progression within the candidate chain in the inherent data.
Prospective-parachains is already doing this check but we should also add it in the runtime