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[NFTs] Improve offchain signature validation #13960

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merged 2 commits into from
Apr 20, 2023
Merged

[NFTs] Improve offchain signature validation #13960

merged 2 commits into from
Apr 20, 2023

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jsidorenko
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When we try to sign some data using the UIs like PolkadotJS apps, PolkadotJS extension + some others, all of them implicitly wrap the data value into the tag. That behaviour leads to different signatures generated, which look incorrect from the pallet's side.
This PR improves the offchain signature's validation by adding the support of wrapped into data values

@jsidorenko jsidorenko added 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. D5-nicetohaveaudit ⚠️ PR contains trivial changes to logic that should be properly reviewed. labels Apr 20, 2023
@jsidorenko jsidorenko requested a review from ggwpez April 20, 2023 10:51
ggwpez
ggwpez approved these changes Apr 20, 2023
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Looks good.

Did you try it with PolkadotJS that it works? Just to make sure that there are no differences in the encoding.

frame/nfts/src/common_functions.rs Outdated Show resolved Hide resolved
@jsidorenko
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Looks good.

Did you try it with PolkadotJS that it works? Just to make sure that there are no differences in the encoding.

Yeah, was trying it many times until I got that working :)

gilescope
gilescope approved these changes Apr 20, 2023
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Looks good with the early exit if signature passes.

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bot merge

@paritytech-processbot paritytech-processbot bot merged commit d8c3209 into master Apr 20, 2023
@paritytech-processbot paritytech-processbot bot deleted the js/improve-signature-validation branch April 20, 2023 12:38
@kacperzuk-neti kacperzuk-neti mentioned this pull request Jun 23, 2023
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nathanwhit pushed a commit to nathanwhit/substrate that referenced this pull request Jul 19, 2023
@jsidorenko @nathanwhit
[NFTs] Improve offchain signature validation (paritytech#13960)
67c7096 
* Improve signature validation

* Rework
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@gilescope gilescope gilescope approved these changes

@ggwpez ggwpez ggwpez approved these changes

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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. D5-nicetohaveaudit ⚠️ PR contains trivial changes to logic that should be properly reviewed.
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@jsidorenko @gilescope @ggwpez