Function get_transaction

async fn get_transaction<Types, State>(
    req: RequestParams,
    state: &State,
    timeout: Duration,
) -> Result<BlockWithTransaction<Types>, Error>
where
    Types: NodeType,
    Header<Types>: QueryableHeader<Types>,
    Payload<Types>: QueryablePayload<Types>,
    State: 'static + Send + Sync + ReadState,
    <State as ReadState>::State: Send + Sync + AvailabilityDataSource<Types>,