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Align DA subnets for tiny topologies

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This commit is contained in:
andrussal 2025-12-05 18:34:38 +01:00
parent 378735d153
commit a4f469f0b4
1 changed files with 16 additions and 4 deletions
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20
testing-framework/configs/src/topology/configs/da.rs
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@ -28,6 +28,7 @@ pub static GLOBAL_PARAMS_PATH: LazyLock<String> = LazyLock::new(resolve_global_p
fn canonicalize_params_path(mut path: PathBuf) -> PathBuf {
if path.is_dir() {
let candidates = [
path.join("kzgrs_test_params"),
path.join("pol/proving_key.zkey"),
path.join("proving_key.zkey"),
];
@ -161,6 +162,17 @@ pub fn create_da_configs(
da_params: &DaParams,
ports: &[u16],
) -> Vec<GeneralDaConfig> {
// For tiny topologies (e.g. 1 validator + 1 executor) keep everyone in a single
// subnet so balancer readiness can be reached. For larger setups, honor the
// configured defaults.
let (effective_subnetwork_size, num_subnets) = if ids.len() <= 2 {
(1_usize, 1_u16)
} else {
(
da_params.subnetwork_size.max(ids.len().max(1)),
da_params.num_subnets,
)
};
let mut node_keys = vec![];
let mut peer_ids = vec![];
let mut listening_addresses = vec![];
@ -183,12 +195,12 @@ pub fn create_da_configs(
let membership = {
let template = NomosDaMembership::new(
SessionNumber::default(),
da_params.subnetwork_size,
effective_subnetwork_size,
da_params.dispersal_factor,
);
let mut assignations: HashMap<u16, HashSet<PeerId>> = HashMap::new();
if peer_ids.is_empty() {
for id in 0..da_params.subnetwork_size {
for id in 0..effective_subnetwork_size {
assignations.insert(u16::try_from(id).unwrap_or_default(), HashSet::new());
}
} else {
@ -196,7 +208,7 @@ pub fn create_da_configs(
sorted_peers.sort_unstable();
let dispersal = da_params.dispersal_factor.max(1);
let mut peer_cycle = sorted_peers.iter().cycle();
for id in 0..da_params.subnetwork_size {
for id in 0..effective_subnetwork_size {
let mut members = HashSet::new();
for _ in 0..dispersal {
// cycle() only yields None when the iterator is empty, which we guard against.
@ -245,7 +257,7 @@ pub fn create_da_configs(
verifier_sk: hex::encode(verifier_sk_bytes),
verifier_index: subnetwork_ids,
num_samples: da_params.num_samples,
num_subnets: da_params.num_subnets,
num_subnets,
old_blobs_check_interval: da_params.old_blobs_check_interval,
blobs_validity_duration: da_params.blobs_validity_duration,
policy_settings: da_params.policy_settings.clone(),