miden-validator 0.17.3

Miden validator
Documentation 
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use std::time::Duration;

use super::*;

#[rstest::rstest]
#[case::different_validator_set(true, 2, StorageKeyEpoch::new([9; 32]))]
#[case::different_threshold(false, 1, StorageKeyEpoch::new([9; 32]))]
#[case::different_epoch(false, 2, StorageKeyEpoch::new([10; 32]))]
#[tokio::test]
async fn config_exchange_rejects_mismatch(
    #[case] different_validator_set: bool,
    #[case] threshold: usize,
    #[case] epoch: StorageKeyEpoch,
) -> TestResult {
    let secret_a = IrohSecretKey::generate();
    let secret_b = IrohSecretKey::generate();
    let (endpoint_a, lookup_a) = bind_test_endpoint(secret_a.clone()).await?;
    let (endpoint_b, lookup_b) = bind_test_endpoint(secret_b.clone()).await?;
    lookup_a.add_endpoint_info(endpoint_b.addr());
    lookup_b.add_endpoint_info(endpoint_a.addr());

    let signing_key_a = SigningKey::new();
    let signing_key_b = SigningKey::new();
    let ceremony_a = test_ceremony(
        &signing_key_a,
        secret_a,
        vec![(endpoint_b.id(), signing_key_b.public_key())],
    );
    let mut ceremony_b = test_ceremony(
        &signing_key_b,
        secret_b,
        vec![(endpoint_a.id(), signing_key_a.public_key())],
    );
    if different_validator_set {
        ceremony_b.validator_set.push(SigningKey::new().public_key());
    }
    ceremony_b.threshold = NonZeroUsize::new(threshold).unwrap();
    ceremony_b.epoch = epoch;
    let config_a = format!("{:?}", ceremony_a.config()?);
    let config_b = format!("{:?}", ceremony_b.config()?);

    let (result_a, result_b) = tokio::time::timeout(Duration::from_secs(10), async {
        // Configured identities authenticate even when their ceremony settings disagree.
        let (peers_a, peers_b) = tokio::try_join!(
            ceremony_a.authenticate_peers(&endpoint_a),
            ceremony_b.authenticate_peers(&endpoint_b),
        )?;
        Ok::<_, anyhow::Error>(tokio::join!(
            ceremony_a.exchange_configs(peers_a),
            ceremony_b.exchange_configs(peers_b),
        ))
    })
    .await??;
    let errors = [result_a, result_b].map(|result| {
        let error = result.err().expect("different ceremony configs must stop the exchange");
        format!("{error:#}")
    });
    // Require at least one validator to report both mismatched configurations.
    //
    // Its abort can disconnect the other validator before that validator compares configurations.
    assert!(
        errors.iter().any(|error| {
            error.contains("peer ceremony config does not match")
                && error.contains(&config_a)
                && error.contains(&config_b)
        }),
        "expected a configuration mismatch with both configurations, got {errors:?}",
    );

    endpoint_a.close().await;
    endpoint_b.close().await;
    Ok(())
}