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Kusama origins as xcm multi_location (#6273)

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* Kusamsa origins as xcm multilocation

* Fellows origin index

* origins to xcm plurality body

* cleanup

* fix cargo spellcheck

* Apply suggestions from code review

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* include Fellows into scope

* include Fellows into scope

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Co-authored-by: Gavin Wood <gavin@parity.io>
This commit is contained in:
Muharem Ismailov
2022-12-21 09:33:01 +01:00
committed by GitHub
parent 87f9e4e140
commit dd46523f82
6 changed files with 74 additions and 11 deletions
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polkadot/xcm/pallet-xcm/src/lib.rs
+13
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@@ -1527,6 +1527,19 @@ impl<Prefix: Get<MultiLocation>, Body: Get<BodyId>> Contains<MultiLocation>
}
}
/// Filter for `MultiLocation` to find those which represent a voice of an identified plurality.
///
/// May reasonably be used with `EnsureXcm`.
pub struct IsVoiceOfBody<Prefix, Body>(PhantomData<(Prefix, Body)>);
impl<Prefix: Get<MultiLocation>, Body: Get<BodyId>> Contains<MultiLocation>
for IsVoiceOfBody<Prefix, Body>
{
fn contains(l: &MultiLocation) -> bool {
let maybe_suffix = l.match_and_split(&Prefix::get());
matches!(maybe_suffix, Some(Plurality { id, part }) if id == &Body::get() && part == &BodyPart::Voice)
}
}
/// `EnsureOrigin` implementation succeeding with a `MultiLocation` value to recognize and filter the
/// `Origin::Xcm` item.
pub struct EnsureXcm<F>(PhantomData<F>);