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Advertise --advertise-false-custody-group-count for testing PeerDAS (#7593)

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#6973
This commit is contained in:
Jimmy Chen
2025-06-16 12:10:28 +01:00
committed by GitHub
parent 6135f417a2
commit 3d2d65bf8d
9 changed files with 67 additions and 40 deletions
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4
beacon_node/lighthouse_network/src/config.rs
View File

@@ -139,6 +139,9 @@ pub struct Config {
/// Configuration for the minimum message size for which IDONTWANT messages are send in the mesh.
/// Lower the value reduces the optimization effect of the IDONTWANT messages.
pub idontwant_message_size_threshold: usize,
/// Flag for advertising a fake CGC to peers for testing ONLY.
pub advertise_false_custody_group_count: Option<u64>,
}
impl Config {
@@ -363,6 +366,7 @@ impl Default for Config {
invalid_block_storage: None,
inbound_rate_limiter_config: None,
idontwant_message_size_threshold: DEFAULT_IDONTWANT_MESSAGE_SIZE_THRESHOLD,
advertise_false_custody_group_count: None,
}
}
}

13
beacon_node/lighthouse_network/src/discovery/enr.rs
View File

@@ -259,11 +259,14 @@ pub fn build_enr<E: EthSpec>(
// only set `cgc` if PeerDAS fork epoch has been scheduled
if spec.is_peer_das_scheduled() {
let custody_group_count = if config.subscribe_all_data_column_subnets {
spec.number_of_custody_groups
} else {
spec.custody_requirement
};
let custody_group_count =
if let Some(false_cgc) = config.advertise_false_custody_group_count {
false_cgc
} else if config.subscribe_all_data_column_subnets {
spec.number_of_custody_groups
} else {
spec.custody_requirement
};
builder.add_value(PEERDAS_CUSTODY_GROUP_COUNT_ENR_KEY, &custody_group_count);
}

4
beacon_node/lighthouse_network/src/rpc/mod.rs
View File

@@ -21,9 +21,7 @@ use tracing::{debug, error, instrument, trace};
use types::{EthSpec, ForkContext};
pub(crate) use handler::{HandlerErr, HandlerEvent};
pub(crate) use methods::{
MetaData, MetaDataV1, MetaDataV2, MetaDataV3, Ping, RpcResponse, RpcSuccessResponse,
};
pub(crate) use methods::{MetaData, MetaDataV2, MetaDataV3, Ping, RpcResponse, RpcSuccessResponse};
pub use protocol::RequestType;
use self::config::{InboundRateLimiterConfig, OutboundRateLimiterConfig};

10
beacon_node/lighthouse_network/src/service/mod.rs
View File

@@ -202,12 +202,10 @@ impl<E: EthSpec> Network<E> {
)?;
// Construct the metadata
let custody_group_count_metadata = ctx
.chain_spec
.is_peer_das_scheduled()
.then_some(custody_group_count);
let meta_data =
utils::load_or_build_metadata(&config.network_dir, custody_group_count_metadata);
let advertised_cgc = config
.advertise_false_custody_group_count
.unwrap_or(custody_group_count);
let meta_data = utils::load_or_build_metadata(&config.network_dir, advertised_cgc);
let seq_number = *meta_data.seq_number();
let globals = NetworkGlobals::new(
enr,

39
beacon_node/lighthouse_network/src/service/utils.rs
View File

@@ -1,6 +1,5 @@
use crate::multiaddr::Protocol;
use crate::rpc::methods::MetaDataV3;
use crate::rpc::{MetaData, MetaDataV1, MetaDataV2};
use crate::rpc::{MetaData, MetaDataV2, MetaDataV3};
use crate::types::{EnrAttestationBitfield, EnrSyncCommitteeBitfield, GossipEncoding, GossipKind};
use crate::{GossipTopic, NetworkConfig};
use futures::future::Either;
@@ -165,38 +164,41 @@ pub fn strip_peer_id(addr: &mut Multiaddr) {
/// Load metadata from persisted file. Return default metadata if loading fails.
pub fn load_or_build_metadata<E: EthSpec>(
network_dir: &Path,
custody_group_count_opt: Option<u64>,
custody_group_count: u64,
) -> MetaData<E> {
// We load a V2 metadata version by default (regardless of current fork)
// since a V2 metadata can be converted to V1. The RPC encoder is responsible
// We load a V3 metadata version by default (regardless of current fork)
// since a V3 metadata can be converted to V1 or V2. The RPC encoder is responsible
// for sending the correct metadata version based on the negotiated protocol version.
let mut meta_data = MetaDataV2 {
let mut meta_data = MetaDataV3 {
seq_number: 0,
attnets: EnrAttestationBitfield::<E>::default(),
syncnets: EnrSyncCommitteeBitfield::<E>::default(),
custody_group_count,
};
// Read metadata from persisted file if available
let metadata_path = network_dir.join(METADATA_FILENAME);
if let Ok(mut metadata_file) = File::open(metadata_path) {
let mut metadata_ssz = Vec::new();
if metadata_file.read_to_end(&mut metadata_ssz).is_ok() {
// Attempt to read a MetaDataV2 version from the persisted file,
// if that fails, read MetaDataV1
match MetaDataV2::<E>::from_ssz_bytes(&metadata_ssz) {
// Attempt to read a MetaDataV3 version from the persisted file,
// if that fails, read MetaDataV2
match MetaDataV3::<E>::from_ssz_bytes(&metadata_ssz) {
Ok(persisted_metadata) => {
meta_data.seq_number = persisted_metadata.seq_number;
// Increment seq number if persisted attnet is not default
if persisted_metadata.attnets != meta_data.attnets
|| persisted_metadata.syncnets != meta_data.syncnets
|| persisted_metadata.custody_group_count != meta_data.custody_group_count
{
meta_data.seq_number += 1;
}
debug!("Loaded metadata from disk");
}
Err(_) => {
match MetaDataV1::<E>::from_ssz_bytes(&metadata_ssz) {
match MetaDataV2::<E>::from_ssz_bytes(&metadata_ssz) {
Ok(persisted_metadata) => {
let persisted_metadata = MetaData::V1(persisted_metadata);
let persisted_metadata = MetaData::V2(persisted_metadata);
// Increment seq number as the persisted metadata version is updated
meta_data.seq_number = *persisted_metadata.seq_number() + 1;
debug!("Loaded metadata from disk");
@@ -213,19 +215,8 @@ pub fn load_or_build_metadata<E: EthSpec>(
}
};
// Wrap the MetaData
let meta_data = if let Some(custody_group_count) = custody_group_count_opt {
MetaData::V3(MetaDataV3 {
attnets: meta_data.attnets,
seq_number: meta_data.seq_number,
syncnets: meta_data.syncnets,
custody_group_count,
})
} else {
MetaData::V2(meta_data)
};
debug!(seq_num = meta_data.seq_number(), "Metadata sequence number");
debug!(seq_num = meta_data.seq_number, "Metadata sequence number");
let meta_data = MetaData::V3(meta_data);
save_metadata_to_disk(network_dir, meta_data.clone());
meta_data
}