Trait TryIntoHistoricalStateProvider 

pub trait TryIntoHistoricalStateProvider {
    // Required method
    fn try_into_history_at_block(
        self,
        block_number: u64,
    ) -> Result<Box<dyn StateProvider + Send>, ProviderError>;
}

Trait implemented for database providers that can be converted into a historical state provider.

Required Methods

fn try_into_history_at_block( self, block_number: u64, ) -> Result<Box<dyn StateProvider + Send>, ProviderError>

Returns a historical StateProvider indexed by the given historic block number.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<C, N> TryIntoHistoricalStateProvider for NoopProvider<C, N>

where C: Send + Sync + 'static, N: NodePrimitives,

impl<T: NodePrimitives, ChainSpec: EthChainSpec + Send + Sync + 'static> TryIntoHistoricalStateProvider for MockEthProvider<T, ChainSpec>

Available on crate features test-utils only.

impl<TX: DbTx + 'static, N: NodeTypes> TryIntoHistoricalStateProvider for DatabaseProvider<TX, N>