Trait frame_support::traits::EnsureOrigin

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pub trait EnsureOrigin<OuterOrigin> {
    type Success;

    // Required method
    fn try_origin(o: OuterOrigin) -> Result<Self::Success, OuterOrigin>;

    // Provided method
    fn ensure_origin(o: OuterOrigin) -> Result<Self::Success, BadOrigin> { ... }
}
Expand description

Some sort of check on the origin is performed by this object.

Required Associated Types§

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type Success

A return type.

Required Methods§

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fn try_origin(o: OuterOrigin) -> Result<Self::Success, OuterOrigin>

Perform the origin check.

Provided Methods§

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fn ensure_origin(o: OuterOrigin) -> Result<Self::Success, BadOrigin>

Perform the origin check.

Implementors§

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impl<O, Original: EnsureOrigin<O>, Mutator: Morph<Original::Success>> EnsureOrigin<O> for MapSuccess<Original, Mutator>

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type Success = <Mutator as Morph<<Original as EnsureOrigin<O>>::Success>>::Outcome

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impl<O: Clone, Original: EnsureOrigin<O>, Mutator: TryMorph<Original::Success>> EnsureOrigin<O> for TryMapSuccess<Original, Mutator>

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type Success = <Mutator as TryMorph<<Original as EnsureOrigin<O>>::Success>>::Outcome

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impl<OO, Success> EnsureOrigin<OO> for NeverEnsureOrigin<Success>

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type Success = Success

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impl<OuterOrigin, L: EnsureOrigin<OuterOrigin>, R: EnsureOrigin<OuterOrigin>> EnsureOrigin<OuterOrigin> for EitherOfDiverse<L, R>

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type Success = Either<<L as EnsureOrigin<OuterOrigin>>::Success, <R as EnsureOrigin<OuterOrigin>>::Success>

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impl<OuterOrigin, L: EnsureOrigin<OuterOrigin>, R: EnsureOrigin<OuterOrigin, Success = L::Success>> EnsureOrigin<OuterOrigin> for EitherOf<L, R>

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type Success = <L as EnsureOrigin<OuterOrigin>>::Success

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impl<OuterOrigin, Origin, PrivilegeCmp> EnsureOrigin<OuterOrigin> for EnsureOriginEqualOrHigherPrivilege<Origin, PrivilegeCmp>where Origin: Get<OuterOrigin>, OuterOrigin: Eq, PrivilegeCmp: PrivilegeCmp<OuterOrigin>,

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type Success = ()