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Kusama: remove migrations applied by spec_version: 1_000_000 #73

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acatangiu
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@acatangiu acatangiu commented Oct 23, 2023

Runtimes 1.0.0 has been released: https://github.com/polkadot-fellows/runtimes/releases/tag/v1.0.0 and Kusama has now successfully updated on-chain to spec: 1_000_000.

This PR removes migrations that have been applied by the successful update of the Kusama runtime to above version.

@acatangiu acatangiu changed the title Kusama remove migrations applied by spec_version: 1_000_000 Kusama: remove migrations applied by spec_version: 1_000_000 Oct 23, 2023
@acatangiu
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The 1st commit is the mandatory one, it removes the SessionKeys migration which doesn't have protections in place to allow multiple runs of the migration.

The other ones' removal at this point is optional, but if we see them applied on-chain, let's also remove them.

relay/kusama/src/lib.rs Outdated Show resolved Hide resolved
Co-authored-by: Bastian Köcher <[email protected]>
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Why only remove from Kusama?

@acatangiu
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Why only remove from Kusama?

I'm thinking we do separate PRs that follow actual on-chain upgrades + migrations for each chain.

When kusama is upgraded and we can verify these migrations have been successful we'll merge PR to remove them.

My suggestions is same process, different PR+timeline for Polkadot.

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referenda for upgrading Kusama: https://kusama.subsquare.io/referenda/297

@acatangiu acatangiu marked this pull request as ready for review November 9, 2023 08:32
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Kusama now successfully updated to spec: 1_000_000 - all these migrations have now run (and been finalized) on-chain so we can remove them.

Please note, we have to remove the session keys migration before the next release as it doesn't gracefully handle reapplying it.

@acatangiu acatangiu mentioned this pull request Nov 9, 2023
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@andresilva please a rank-3 review here to get this in and avoid accidents like on Westend

relay/kusama/src/paras_scheduler_migration.rs Outdated Show resolved Hide resolved
@acatangiu
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hmm.. since this touches relay/ files, it needs 4 rank 3 approvals

fellows, please review!

@acatangiu
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/merge

@acatangiu
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I just rebased and fixed conflicts. Someone with merge rights, pls take a look and merge before we keep adding new stuff and start confusing already applied migrations with incoming new ones.

@andresilva
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/merge

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@fellowship-merge-bot fellowship-merge-bot bot enabled auto-merge (squash) November 24, 2023 13:56
@fellowship-merge-bot fellowship-merge-bot bot merged commit 473498c into polkadot-fellows:main Nov 24, 2023
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@acatangiu acatangiu deleted the kusama-remove-applied-migrations branch November 24, 2023 14:17
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6 of 13 checks passed

this got auto-merged after rebase without running all CI tests - any way we can see if these failed or simply didn't run or what? 😃

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You can check the CI build on master after this got merged.

@acatangiu acatangiu mentioned this pull request Jan 18, 2024
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5 participants