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Trait OnNewHead

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pub trait OnNewHead {
    // Required method
    fn on_new_head(id: ParaId, head: &ParaHead) -> Weight;
}
Expand description

Runtime hook for when a parachain head is updated.

Required Methods§

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

Called when a parachain head is updated. Returns the weight consumed by this function.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

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impl OnNewHead for ()

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead> OnNewHead for (TupleElement0,)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead> OnNewHead for (TupleElement0, TupleElement1)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead, TupleElement3: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2, TupleElement3)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead, TupleElement3: OnNewHead, TupleElement4: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2, TupleElement3, TupleElement4)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead, TupleElement3: OnNewHead, TupleElement4: OnNewHead, TupleElement5: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2, TupleElement3, TupleElement4, TupleElement5)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead, TupleElement3: OnNewHead, TupleElement4: OnNewHead, TupleElement5: OnNewHead, TupleElement6: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2, TupleElement3, TupleElement4, TupleElement5, TupleElement6)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

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impl<TupleElement0: OnNewHead, TupleElement1: OnNewHead, TupleElement2: OnNewHead, TupleElement3: OnNewHead, TupleElement4: OnNewHead, TupleElement5: OnNewHead, TupleElement6: OnNewHead, TupleElement7: OnNewHead> OnNewHead for (TupleElement0, TupleElement1, TupleElement2, TupleElement3, TupleElement4, TupleElement5, TupleElement6, TupleElement7)

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fn on_new_head(id: ParaId, head: &ParaHead) -> Weight

Implementors§