Trait vapcore_trace::DatabaseExtras[−][src]

pub trait DatabaseExtras {
    fn block_hash(&self, block_number: u64) -> Option<H256>;

    fn transaction_hash(
        &self, 
        block_number: u64, 
        tx_position: usize
    ) -> Option<H256>;
}

DatabaseExtras provides an interface to query extra data which is not stored in TraceDB, but necessary to work correctly.

Required methods

fn block_hash(&self, block_number: u64) -> Option<H256>[src]

Returns hash of given block number.

fn transaction_hash(
    &self,
    block_number: u64,
    tx_position: usize
) -> Option<H256>[src]

Returns hash of transaction at given position.

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Implementors

impl<T: BlockProvider> DatabaseExtras for T[src]

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