Function execute 

pub async fn execute<P: ApplicationIngressProvider>(
    stage: &ExecutionStageGuard<'_>,
    sequence: u64,
    payload: &ApplicationIngressPayload,
    provider: &mut P,
) -> Result<ApplicationExecution<P::Reply>, ApplicationExecutionError<P::Error, P::Reply>>

Execute one new original opaque mutation in a singleton stage and publish its existing stage checkpoint.

Errors

Rejects changed/occupied originals, admission, submission or unqualified replies.