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Parachains para_inherent.rs to FrameV2 #3531

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Aug 3, 2021

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@ferrell-code ferrell-code commented Jul 29, 2021

relates: #2882

Following the upgrade guidelines here: https://crates.parity.io/frame_support/attr.pallet.html#upgrade-guidelines.

⚠️ Breaking Change ⚠️

From https://crates.parity.io/frame_support/attr.pallet.html#checking-upgrade-guidelines

storages now use PalletInfo for module_prefix instead of the one given to decl_storage: Thus any use of this pallet in construct_runtime! should be careful to update name in order not to break storage or to upgrade storage (moreover for instantiable pallet). If pallet is published, make sure to warn about this breaking change.

So users of the ParaInherent pallet must be careful about the name they used in construct_runtime!. Hence the runtime-migration label, which might not be needed depending on the configuration of the ParaInherent pallet.

kusama, rococo and westend use ParasInherent in construct_runtime!, so I migrated them to ParaInherent

polkadot does not use ParaInherent.

Comment on lines +1155 to 1158
// circumvent requirement to have bitfields and headers in block for testing purposes
crate::paras_inherent::Included::<Test>::set(Some(()));

AllPallets::on_finalize(b);
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@ferrell-code ferrell-code Jul 29, 2021

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The addition of ParaInherent in the mock construct_runtime! causes the ParaInherent on_finalize hook to now fire in disputes test and will panic as no inherents have been entered. I believe this to be reasonable for the disputes tests but figured I would explain as it is not that obvious

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@shawntabrizi shawntabrizi Jul 31, 2021

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looks fine to me cc @rphmeier

@shawntabrizi shawntabrizi added A0-please_review Pull request needs code review. C1-low PR touches the given topic and has a low impact on builders. D3-trivial 🧸 PR contains trivial changes in a runtime directory that do not require an audit. B0-silent Changes should not be mentioned in any release notes labels Jul 31, 2021
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KiChjang commented Aug 3, 2021

bot merge

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ghost commented Aug 3, 2021

Trying merge.

@ghost ghost merged commit f2af0f7 into paritytech:master Aug 3, 2021
@ferrell-code ferrell-code deleted the fer-para_inherent-framev2 branch August 3, 2021 17:41
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A0-please_review Pull request needs code review. B0-silent Changes should not be mentioned in any release notes C1-low PR touches the given topic and has a low impact on builders. D3-trivial 🧸 PR contains trivial changes in a runtime directory that do not require an audit.
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3 participants