mithril_common::digesters

Struct DumbImmutableFileObserver

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pub struct DumbImmutableFileObserver {
    pub shall_return: RwLock<Option<ImmutableFileNumber>>,
}
Expand description

An ImmutableFileObserver yielding fixed results for tests purpose.

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§shall_return: RwLock<Option<ImmutableFileNumber>>

The ImmutableFileNumber that shall be returned by get_last_immutable_number

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impl DumbImmutableFileObserver

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pub fn new() -> Self

DumbImmutableFileObserver factory.

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pub async fn shall_return(&self, what: Option<u64>) -> &Self

Update the stored immutable file number.

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pub async fn increase(&self) -> StdResult<u64>

Increase by one the stored immutable file number, return the updated value.

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impl Default for DumbImmutableFileObserver

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl ImmutableFileObserver for DumbImmutableFileObserver

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fn get_last_immutable_number<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = StdResult<u64>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Get the ImmutableFileNumber of the last immutable file in the cardano database.

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