Function generate_mass_status 

pub async fn generate_mass_status<C: ExecutionClient + ?Sized>(
    client: &C,
    lookback_mins: Option<u64>,
    ts_init: UnixNanos,
) -> Result<Option<ExecutionMassStatus>>

Composes an execution mass status using the supplied client clock timestamp.

Errors

Returns an error if the lookback cannot be represented or a report source fails.