Struct DefaultHost

pub struct DefaultHost<A> { /* private fields */ }

A default Host implementation that provides the essential functionality required by the VM.

Implementations

impl<A: AdviceProvider> DefaultHost<A>

pub fn new(adv_provider: A) -> Self

pub fn load_mast_forest( &mut self, mast_forest: Arc<MastForest>, ) -> Result<(), ExecutionError>

pub fn into_inner(self) -> A

Trait Implementations

impl<A: Clone> Clone for DefaultHost<A>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for DefaultHost<MemAdviceProvider>

fn default() -> Self

Returns the “default value” for a type.

impl<A: AdviceProvider> Host for DefaultHost<A>

type AdviceProvider = A

fn advice_provider(&self) -> &Self::AdviceProvider

Returns a reference to the advice provider.

fn advice_provider_mut(&mut self) -> &mut Self::AdviceProvider

Returns a mutable reference to the advice provider.

fn get_mast_forest(&self, node_digest: &RpoDigest) -> Option<Arc<MastForest>>

Returns MAST forest corresponding to the specified digest, or None if the MAST forest for this digest could not be found in this Host.

fn on_event( &mut self, _process: ProcessState<'_>, _event_id: u32, ) -> Result<(), ExecutionError>

Handles the event emitted from the VM.

fn on_debug( &mut self, _process: ProcessState<'_>, _options: &DebugOptions, ) -> Result<(), ExecutionError>

Handles the debug request from the VM.

fn on_trace( &mut self, _process: ProcessState<'_>, _trace_id: u32, ) -> Result<(), ExecutionError>

Handles the trace emitted from the VM.

fn on_assert_failed( &mut self, process: ProcessState<'_>, err_code: u32, ) -> ExecutionError

Handles the failure of the assertion instruction.