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AllocationSession

ic_memory::session

Struct AllocationSession 

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pub struct AllocationSession<S: StorageSubstrate> { /* private fields */ }
Expand description

AllocationSession

Validated capability required before opening allocation slots.

Integrations should construct sessions only after recovering the ledger, validating declarations, and committing the next generation. Opening storage through this type keeps handle creation tied to the validated stable-key snapshot.

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impl<S: StorageSubstrate> AllocationSession<S>

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pub const fn new(substrate: S, validated: ValidatedAllocations) -> Self

Construct a session from a substrate and validated allocation set.

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pub const fn validated(&self) -> &ValidatedAllocations

Borrow the validated allocation set.

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pub fn open( &self, key: &StableKey, ) -> Result<S::MemoryHandle, AllocationSessionError<S::Error>>

Open an allocation by stable key.

Auto Trait Implementations§

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impl<S> Freeze for AllocationSession<S>
where S: Freeze,

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impl<S> RefUnwindSafe for AllocationSession<S>
where S: RefUnwindSafe,

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impl<S> Send for AllocationSession<S>
where S: Send,

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impl<S> Sync for AllocationSession<S>
where S: Sync,

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impl<S> Unpin for AllocationSession<S>
where S: Unpin,

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impl<S> UnsafeUnpin for AllocationSession<S>
where S: UnsafeUnpin,

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impl<S> UnwindSafe for AllocationSession<S>
where S: UnwindSafe,

Blanket Implementations§

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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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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, U> TryFrom<U> for T
where 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 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.