BoundsVerifier

memory_accounting

Struct BoundsVerifier 

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

Memory bounds verifier.

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impl BoundsVerifier

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pub fn new(grant: MemoryGrant, component_bounds: ComponentBounds) -> Self

Creates a new memory bounds verifier with the given memory grant and components bounds.

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pub fn verify(self) -> Result<VerifiedBounds, VerifierError>

Validates that all components are able to respect the calculated effective limit.

If validation succeeds, a MemoryGrant is returned which provides information about the effective limit that can be used for allocating memory.

§Errors

A number of invalid conditions are checked and will cause an error to be returned:

  • when a component has invalid bounds (e.g. minimum required bytes higher than firm limit)
  • when the combined total of the firm limit for all components exceeds the effective limit

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