Trait frame_support::pallet_prelude::TypeInfo

pub trait TypeInfo {
    type Identity: 'static + ?Sized;

    // Required method
    fn type_info() -> Type;
}

Expand description

Implementors return their meta type information.

Required Associated Types§

type Identity: 'static + ?Sized

The type identifying for which type info is provided.

§Note

This is used to uniquely identify a type via core::any::TypeId::of. In most cases it will just be Self, but can be used to unify different types which have the same encoded representation e.g. reference types Box<T>, &T and &mut T.

Required Methods§

fn type_info() -> Type

Returns the static type identifier for Self.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl<A, B> TypeInfo for (A, B)
where A: TypeInfo + 'static, B: TypeInfo + 'static,

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type Identity = (A, B)

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fn type_info() -> Type

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impl<A, B, C> TypeInfo for (A, B, C)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static,

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type Identity = (A, B, C)

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fn type_info() -> Type

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impl<A, B, C, D> TypeInfo for (A, B, C, D)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static,

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type Identity = (A, B, C, D)

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fn type_info() -> Type

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impl<A, B, C, D, E> TypeInfo for (A, B, C, D, E)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static,

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type Identity = (A, B, C, D, E)

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fn type_info() -> Type

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impl<A, B, C, D, E, F> TypeInfo for (A, B, C, D, E, F)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G> TypeInfo for (A, B, C, D, E, F, G)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H> TypeInfo for (A, B, C, D, E, F, G, H)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I> TypeInfo for (A, B, C, D, E, F, G, H, I)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J> TypeInfo for (A, B, C, D, E, F, G, H, I, J)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static, P: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static, P: TypeInfo + 'static, Q: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static, P: TypeInfo + 'static, Q: TypeInfo + 'static, R: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static, P: TypeInfo + 'static, Q: TypeInfo + 'static, R: TypeInfo + 'static, S: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S)

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fn type_info() -> Type

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impl<A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T> TypeInfo for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T)
where A: TypeInfo + 'static, B: TypeInfo + 'static, C: TypeInfo + 'static, D: TypeInfo + 'static, E: TypeInfo + 'static, F: TypeInfo + 'static, G: TypeInfo + 'static, H: TypeInfo + 'static, I: TypeInfo + 'static, J: TypeInfo + 'static, K: TypeInfo + 'static, L: TypeInfo + 'static, M: TypeInfo + 'static, N: TypeInfo + 'static, O: TypeInfo + 'static, P: TypeInfo + 'static, Q: TypeInfo + 'static, R: TypeInfo + 'static, S: TypeInfo + 'static, T: TypeInfo + 'static,

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type Identity = (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T)

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fn type_info() -> Type

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impl<AccountId> TypeInfo for StakerStatus<AccountId>
where Vec<AccountId>: TypeInfo + 'static, AccountId: TypeInfo + 'static,

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type Identity = StakerStatus<AccountId>

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fn type_info() -> Type

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impl<AccountId, AccountIndex> TypeInfo for MultiAddress<AccountId, AccountIndex>
where AccountId: TypeInfo + 'static, AccountIndex: HasCompact + TypeInfo + 'static,

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type Identity = MultiAddress<AccountId, AccountIndex>

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fn type_info() -> Type

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impl<AccountId, Balance> TypeInfo for Exposure<AccountId, Balance>
where Balance: HasCompact + TypeInfo + 'static, Vec<IndividualExposure<AccountId, Balance>>: TypeInfo + 'static, AccountId: TypeInfo + 'static,

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type Identity = Exposure<AccountId, Balance>

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fn type_info() -> Type

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impl<AccountId, Balance> TypeInfo for ExposurePage<AccountId, Balance>
where Balance: HasCompact + TypeInfo + 'static, Vec<IndividualExposure<AccountId, Balance>>: TypeInfo + 'static, AccountId: TypeInfo + 'static,

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type Identity = ExposurePage<AccountId, Balance>

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fn type_info() -> Type

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impl<AccountId, Balance> TypeInfo for IndividualExposure<AccountId, Balance>
where Balance: HasCompact + TypeInfo + 'static, AccountId: TypeInfo + 'static,

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type Identity = IndividualExposure<AccountId, Balance>

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fn type_info() -> Type

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impl<Address, Call, Signature, Extra> TypeInfo for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: StaticTypeInfo, Call: StaticTypeInfo, Signature: StaticTypeInfo, Extra: SignedExtension + StaticTypeInfo,

Manual TypeInfo implementation because of custom encoding. The data is a valid encoded Vec<u8>, but requires some logic to extract the signature and payload.

See UncheckedExtrinsic::encode and UncheckedExtrinsic::decode.

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