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Migrate pallet-nicks to pallet attribute macro. #8723

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May 5, 2021

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shaunxw
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@shaunxw shaunxw commented May 4, 2021

Part of #7882.

Converts the Nicks pallet to the new pallet attribute macro introduced in #6877.

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 Nicks 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 Nicks pallet.

}
/// The minimum length a name may be.
#[pallet::constant]
type MinLength: Get<u32>;
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@shaunxw shaunxw May 4, 2021

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I guess it should be fine to change it to Get<u32> here? The type in metadata is Get<u32>. Cannot find a better way to keep metadata type as Get<u32> type without changing the type in Config. #[pallet::extra_constant] seems for this scenario but the constant name will change, as functions in it should be named as snake case.

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yes it is better now to me too

@gui1117 gui1117 added A0-please_review Pull request needs code review. B3-apinoteworthy C1-low PR touches the given topic and has a low impact on builders. D5-nicetohaveaudit ⚠️ PR contains trivial changes to logic that should be properly reviewed. labels May 5, 2021
}
/// The minimum length a name may be.
#[pallet::constant]
type MinLength: Get<u32>;
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yes it is better now to me too

@shawntabrizi
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bot merge

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ghost commented May 5, 2021

Trying merge.

@ghost ghost merged commit 7fdd8e8 into paritytech:master May 5, 2021
@shaunxw shaunxw deleted the sw/migrate-pallet-nicks branch May 9, 2021 01:34
nazar-pc pushed a commit to autonomys/substrate that referenced this pull request Aug 8, 2021
* Migrate pallet-nicks to pallet attribute macro.

* Fix constants.
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3 participants