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FenceAcquisitionPayload

Struct FenceAcquisitionPayload 

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pub struct FenceAcquisitionPayload { /* private fields */ }
Expand description

Immutable bounded host update envelope; application codecs own argument semantics.

Receiver and routing target are the same exact application canister. No management, proxy, query, signing or default method is supplied. Retain these original bytes before publishing their plan and obligation; hashes cannot recover missing bytes. The nonrecursive payload digest excludes plan/requirement/obligation hashes, which bind the payload subsequently through the original operation authority.

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impl FenceAcquisitionPayload

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pub fn new( target: &str, method: &str, arguments: &[u8], ) -> Result<Self, FenceAcquisitionError>

Admit exact application receiver, method and bounded opaque argument bytes.

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Rejects malformed/management receivers, empty/nonvisible/oversized methods and excessive bytes.

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pub fn target(&self) -> &str

Read the exact canonical application receiver and routing target.

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pub fn method(&self) -> &str

Read exact original method spelling.

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pub fn arguments(&self) -> &[u8] ⓘ

Read exact opaque original bytes; the application must qualify whole-unit acquisition semantics.

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pub fn digest(&self) -> ArtifactChecksumRecord

Hash NUL-terminated domain, u8 principal length/raw bytes, fixed update byte 1, big-endian u32 method length/exact bytes and u64 argument length/exact bytes.

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impl Clone for FenceAcquisitionPayload

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FenceAcquisitionPayload

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fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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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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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.