Method try_from

cc-eventlog/src/tcg.rs:350–374

(value: TcgEvent)

    type Error = anyhow::Error;

    fn try_from(value: TcgEvent) -> Result<Self> {
        if value.digests.len() != 1 {
            return Err(anyhow::anyhow!(
                "expected 1 digest, got {}",
                value.digests.len()
            ));
        }
        let digest = value
            .digests
            .into_inner()
            .into_iter()
            .next()
            .context("digest not found")?
            .hash;
        Ok(TdxEvent {
            imr: value
                .imr_index
                .checked_sub(1)
                .context("invalid IMR index: must be >= 1")?,
            event_type: value.event_type,
            digest,
            event: Default::default(),
            event_payload: value.event.into(),
        })
    }
}