OffchainWorkerExt

sp_core::offchain

Struct OffchainWorkerExt 

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pub struct OffchainWorkerExt(pub Box<dyn Externalities>);
Expand description

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

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§0: Box<dyn Externalities>

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impl OffchainWorkerExt

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pub fn new<O: Externalities + 'static>(offchain: O) -> Self

Create a new instance of Self.

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impl Deref for OffchainWorkerExt

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type Target = Box<dyn Externalities>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl DerefMut for OffchainWorkerExt

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl Extension for OffchainWorkerExt

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fn as_mut_any(&mut self) -> &mut dyn Any

Return the extension as &mut dyn Any. Read more
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fn type_id(&self) -> TypeId

Get the TypeId of this Extension.
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fn start_transaction(&mut self, ty: TransactionType)

Start a transaction of type ty.
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fn commit_transaction(&mut self, ty: TransactionType)

Commit a transaction of type ty.
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fn rollback_transaction(&mut self, ty: TransactionType)

Rollback a transaction of type ty.
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impl From<Box<dyn Externalities>> for OffchainWorkerExt

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fn from(inner: Box<dyn Externalities>) -> Self

Converts to this type from the input type.

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impl<T> Any for T
where 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 T
where 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 T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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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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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where 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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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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type Output = T

Should always be Self
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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 T
where 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 S
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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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