Struct sp_runtime::offchain::OffchainDbExt

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pub struct OffchainDbExt(pub Box<dyn DbExternalities + 'static, Global>);
Expand description

The offchain database extension that will be registered at the Substrate externalities.

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§0: Box<dyn DbExternalities + 'static, Global>

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impl OffchainDbExt

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pub fn new<O>(offchain: O) -> OffchainDbExtwhere O: DbExternalities + 'static,

Create a new instance of OffchainDbExt.

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impl Deref for OffchainDbExt

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type Target = Box<dyn DbExternalities + 'static, Global>

The resulting type after dereferencing.
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fn deref(&self) -> &<OffchainDbExt as Deref>::Target

Dereferences the value.
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impl DerefMut for OffchainDbExt

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fn deref_mut(&mut self) -> &mut <OffchainDbExt as Deref>::Target

Mutably dereferences the value.
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impl Extension for OffchainDbExt

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fn as_mut_any(&mut self) -> &mut (dyn Any + 'static)

Return the extension as &mut dyn Any. Read more
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impl From<Box<dyn DbExternalities + 'static, Global>> for OffchainDbExt

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fn from(inner: Box<dyn DbExternalities + 'static, Global>) -> OffchainDbExt

Converts to this type from the input type.

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,

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fn checked_into<T>(self) -> Option<T>where Self: TryInto<T>,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

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unsafe fn drop(ptr: usize)

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type Output = T

Should always be Self
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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more
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fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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impl<T> JsonSchemaMaybe for T