pub trait ChainLogHandler {
// Required methods
fn contract_addresses(&self) -> Vec<Address>;
fn contract_address_topics(&self, contract: Address) -> Vec<TxHash>;
fn collect_block_events<'life0, 'async_trait>(
&'life0 self,
block_with_logs: BlockWithLogs,
) -> Pin<Box<dyn Future<Output = Result<Vec<SignificantChainEvent>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}