remove unnecessary files

* Add python test for UDP discovery

* Refuse nodes with incompatible ENR

.gitignore

@@ -4,5 +4,6 @@
 /.idea
 tests/**/__pycache__
 tests/tmp/**
+tests/config/zgs
 .vscode/*.json
 /0g-storage-contracts-dev

node/network/src/behaviour/mod.rs

@@ -267,7 +267,7 @@ impl<AppReqId: ReqId> Behaviour<AppReqId> {
             discovery_enabled: !config.disable_discovery,
             metrics_enabled: config.metrics_enabled,
             target_peer_count: config.target_peers,
-            ..Default::default()
+            ..config.peer_manager
         };
 
         let slot_duration = std::time::Duration::from_secs(12);

node/network/src/config.rs

@@ -1,6 +1,5 @@
-use crate::peer_manager::peerdb::PeerDBConfig;
 use crate::types::GossipKind;
-use crate::{Enr, PeerIdSerialized};
+use crate::{peer_manager, Enr, PeerIdSerialized};
 use directory::{
     DEFAULT_BEACON_NODE_DIR, DEFAULT_HARDCODED_NETWORK, DEFAULT_NETWORK_DIR, DEFAULT_ROOT_DIR,
 };
@@ -128,7 +127,12 @@ pub struct Config {
     /// The id of the storage network.
     pub network_id: NetworkIdentity,
 
-    pub peer_db: PeerDBConfig,
+    pub peer_db: peer_manager::peerdb::PeerDBConfig,
+    pub peer_manager: peer_manager::config::Config,
+
+    /// Whether to disable network identity in ENR.
+    /// This is for test purpose only.
+    pub disable_enr_network_id: bool,
 }
 
 impl Default for Config {
@@ -208,6 +212,8 @@ impl Default for Config {
             metrics_enabled: false,
             network_id: Default::default(),
             peer_db: Default::default(),
+            peer_manager: Default::default(),
+            disable_enr_network_id: false,
         }
     }
 }

node/network/src/discovery/enr.rs

@@ -1,9 +1,10 @@
 //! Helper functions and an extension trait for Ethereum 2 ENRs.
 
 pub use discv5::enr::{CombinedKey, EnrBuilder};
+use ssz::Encode;
 
-use super::enr_ext::CombinedKeyExt;
+use super::enr_ext::{CombinedKeyExt, ENR_CONTENT_KEY_NETWORK_ID};
-use super::ENR_FILENAME;
+use super::{EnrExt, ENR_FILENAME};
 use crate::types::Enr;
 use crate::NetworkConfig;
 use discv5::enr::EnrKey;
@@ -32,7 +33,9 @@ pub fn use_or_load_enr(
                     Ok(disk_enr) => {
                         // if the same node id, then we may need to update our sequence number
                         if local_enr.node_id() == disk_enr.node_id() {
-                            if compare_enr(local_enr, &disk_enr) {
+                            if compare_enr(local_enr, &disk_enr)
+                                && is_disk_enr_network_id_unchanged(&disk_enr, config)
+                            {
                                 debug!(file = ?enr_f, "ENR loaded from disk");
                                 // the stored ENR has the same configuration, use it
                                 *local_enr = disk_enr;
@@ -94,6 +97,13 @@ pub fn create_enr_builder_from_config<T: EnrKey>(
         let tcp_port = config.enr_tcp_port.unwrap_or(config.libp2p_port);
         builder.tcp(tcp_port);
     }
+    // add network identity info in ENR if not disabled
+    if !config.disable_enr_network_id {
+        builder.add_value(
+            ENR_CONTENT_KEY_NETWORK_ID,
+            &config.network_id.as_ssz_bytes(),
+        );
+    }
     builder
 }
 
@@ -117,6 +127,14 @@ fn compare_enr(local_enr: &Enr, disk_enr: &Enr) -> bool {
         && (local_enr.udp().is_none() || local_enr.udp() == disk_enr.udp())
 }
 
+fn is_disk_enr_network_id_unchanged(disk_enr: &Enr, config: &NetworkConfig) -> bool {
+    match disk_enr.network_identity() {
+        Some(Ok(id)) => !config.disable_enr_network_id && id == config.network_id,
+        Some(Err(_)) => false,
+        None => config.disable_enr_network_id,
+    }
+}
+
 /// Loads enr from the given directory
 pub fn load_enr_from_disk(dir: &Path) -> Result<Enr, String> {
     let enr_f = dir.join(ENR_FILENAME);

node/network/src/discovery/enr_ext.rs

@@ -2,8 +2,12 @@
 use crate::{Enr, Multiaddr, PeerId};
 use discv5::enr::{CombinedKey, CombinedPublicKey};
 use libp2p::core::{identity::Keypair, identity::PublicKey, multiaddr::Protocol};
+use shared_types::NetworkIdentity;
+use ssz::Decode;
 use tiny_keccak::{Hasher, Keccak};
 
+pub(crate) const ENR_CONTENT_KEY_NETWORK_ID: &'static str = "network_identity";
+
 /// Extend ENR for libp2p types.
 pub trait EnrExt {
     /// The libp2p `PeerId` for the record.
@@ -24,6 +28,9 @@ pub trait EnrExt {
 
     /// Returns any multiaddrs that contain the TCP protocol.
     fn multiaddr_tcp(&self) -> Vec<Multiaddr>;
+
+    /// Returns network identity in content.
+    fn network_identity(&self) -> Option<Result<NetworkIdentity, ssz::DecodeError>>;
 }
 
 /// Extend ENR CombinedPublicKey for libp2p types.
@@ -189,6 +196,12 @@ impl EnrExt for Enr {
         }
         multiaddrs
     }
+
+    /// Returns network identity in content.
+    fn network_identity(&self) -> Option<Result<NetworkIdentity, ssz::DecodeError>> {
+        let value = self.get(ENR_CONTENT_KEY_NETWORK_ID)?;
+        Some(NetworkIdentity::from_ssz_bytes(value))
+    }
 }
 
 impl CombinedKeyPublicExt for CombinedPublicKey {

node/network/src/discovery/mod.rs

@@ -139,6 +139,7 @@ impl Discovery {
             udp = ?local_enr.udp(),
             tcp = ?local_enr.tcp(),
             udp4_socket = ?local_enr.udp_socket(),
+            network_id = ?local_enr.network_identity(),
             "ENR Initialised",
         );
 
@@ -158,6 +159,7 @@ impl Discovery {
                 ip = ?bootnode_enr.ip(),
                 udp = ?bootnode_enr.udp(),
                 tcp = ?bootnode_enr.tcp(),
+                network_id = ?bootnode_enr.network_identity(),
                 "Adding node to routing table",
             );
             let repr = bootnode_enr.to_string();
@@ -205,13 +207,37 @@ impl Discovery {
             match result {
                 Ok(enr) => {
                     debug!(
+                        multiaddr = %original_addr.to_string(),
                         node_id = %enr.node_id(),
                         peer_id = %enr.peer_id(),
                         ip = ?enr.ip(),
                         udp = ?enr.udp(),
                         tcp = ?enr.tcp(),
-                        "Adding node to routing table",
+                        network_id = ?enr.network_identity(),
+                        "Adding bootnode to routing table",
                     );
+
+                    // check network identity in bootnode ENR if required
+                    if !config.disable_enr_network_id {
+                        match enr.network_identity() {
+                            Some(Ok(id)) => {
+                                if id != config.network_id {
+                                    error!(bootnode=?id, local=?config.network_id, "Bootnode network identity mismatch");
+                                    continue;
+                                }
+                            }
+                            Some(Err(err)) => {
+                                error!(?err, "Failed to decode bootnode network identity");
+                                continue;
+                            }
+                            None => {
+                                error!("Bootnode has no network identity");
+                                continue;
+                            }
+                        }
+                    }
+
+                    // add bootnode into routing table
                     let _ = discv5.add_enr(enr).map_err(|e| {
                         error!(
                             addr = %original_addr.to_string(),
@@ -401,10 +427,16 @@ impl Discovery {
         // Generate a random target node id.
         let random_node = NodeId::random();
 
+        // only discover nodes with same network identity
+        let local_network_id = self.network_globals.network_id();
+        let predicate = move |enr: &Enr| -> bool {
+            matches!(enr.network_identity(), Some(Ok(id)) if id == local_network_id)
+        };
+
         // Build the future
         let query_future = self
             .discv5
-            .find_node_predicate(random_node, Box::new(|_| true), target_peers)
+            .find_node_predicate(random_node, Box::new(predicate), target_peers)
             .map(|v| QueryResult {
                 query_type: query,
                 result: v,

node/network/src/peer_manager/config.rs

@@ -1,3 +1,8 @@
+use std::time::Duration;
+
+use duration_str::deserialize_duration;
+use serde::{Deserialize, Serialize};
+
 /// The time in seconds between re-status's peers.
 pub const DEFAULT_STATUS_INTERVAL: u64 = 300;
 
@@ -11,9 +16,14 @@ pub const DEFAULT_PING_INTERVAL_INBOUND: u64 = 20;
 pub const DEFAULT_TARGET_PEERS: usize = 50;
 
 /// Configurations for the PeerManager.
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+#[serde(default)]
 pub struct Config {
     /* Peer count related configurations */
+    /// The heartbeat performs regular updates such as updating reputations and performing discovery
+    /// requests. This defines the interval in seconds.
+    #[serde(deserialize_with = "deserialize_duration")]
+    pub heartbeat_interval: Duration,
     /// Whether discovery is enabled.
     pub discovery_enabled: bool,
     /// Whether metrics are enabled.
@@ -35,6 +45,7 @@ pub struct Config {
 impl Default for Config {
     fn default() -> Self {
         Config {
+            heartbeat_interval: Duration::from_secs(30),
             discovery_enabled: true,
             metrics_enabled: false,
             target_peer_count: DEFAULT_TARGET_PEERS,

node/network/src/peer_manager/mod.rs

@@ -30,10 +30,6 @@ use std::net::IpAddr;
 pub mod config;
 mod network_behaviour;
 
-/// The heartbeat performs regular updates such as updating reputations and performing discovery
-/// requests. This defines the interval in seconds.
-const HEARTBEAT_INTERVAL: u64 = 30;
-
 /// This is used in the pruning logic. We avoid pruning peers on sync-committees if doing so would
 /// lower our peer count below this number. Instead we favour a non-uniform distribution of subnet
 /// peers.
@@ -105,6 +101,7 @@ impl PeerManager {
         network_globals: Arc<NetworkGlobals>,
     ) -> error::Result<Self> {
         let config::Config {
+            heartbeat_interval,
             discovery_enabled,
             metrics_enabled,
             target_peer_count,
@@ -114,7 +111,7 @@ impl PeerManager {
         } = cfg;
 
         // Set up the peer manager heartbeat interval
-        let heartbeat = tokio::time::interval(tokio::time::Duration::from_secs(HEARTBEAT_INTERVAL));
+        let heartbeat = tokio::time::interval(heartbeat_interval);
 
         Ok(PeerManager {
             network_globals,

node/src/client/builder.rs

@@ -112,8 +112,13 @@ impl ClientBuilder {
     pub fn with_rocksdb_store(mut self, config: &StorageConfig) -> Result<Self, String> {
         let executor = require!("sync", self, runtime_context).clone().executor;
         let store = Arc::new(
-            LogManager::rocksdb(config.log_config.clone(), &config.db_dir, executor)
+            LogManager::rocksdb(
-                .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))?,
+                config.log_config.clone(),
+                config.db_dir.join("flow_db"),
+                config.db_dir.join("data_db"),
+                executor,
+            )
+            .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))?,
         );
 
         self.store = Some(store.clone());

node/src/config/convert.rs

@@ -5,10 +5,11 @@ use ethereum_types::{H256, U256};
 use ethers::prelude::{Http, Middleware, Provider};
 use log_entry_sync::{CacheConfig, ContractAddress, LogSyncConfig};
 use miner::MinerConfig;
-use network::NetworkConfig;
+use network::{EnrExt, NetworkConfig};
 use pruner::PrunerConfig;
 use shared_types::{NetworkIdentity, ProtocolVersion};
 use std::net::IpAddr;
+use std::sync::Arc;
 use std::time::Duration;
 use storage::config::ShardConfig;
 use storage::log_store::log_manager::LogConfig;
@@ -38,7 +39,7 @@ impl ZgsConfig {
             .await
             .map_err(|e| format!("Unable to get chain id: {:?}", e))?
             .as_u64();
-        network_config.network_id = NetworkIdentity {
+        let local_network_id = NetworkIdentity {
             chain_id,
             flow_address,
             p2p_protocol_version: ProtocolVersion {
@@ -47,6 +48,7 @@ impl ZgsConfig {
                 build: network::PROTOCOL_VERSION[2],
             },
         };
+        network_config.network_id = local_network_id.clone();
 
         if !self.network_disable_discovery {
             network_config.enr_tcp_port = Some(self.network_enr_tcp_port);
@@ -82,7 +84,13 @@ impl ZgsConfig {
             .collect::<Result<_, _>>()
             .map_err(|e| format!("Unable to parse network_libp2p_nodes: {:?}", e))?;
 
-        network_config.discv5_config.table_filter = |_| true;
+        network_config.discv5_config.table_filter = if self.discv5_disable_enr_network_id {
+            Arc::new(|_| true)
+        } else {
+            Arc::new(
+                move |enr| matches!(enr.network_identity(), Some(Ok(id)) if id == local_network_id),
+            )
+        };
         network_config.discv5_config.request_timeout =
             Duration::from_secs(self.discv5_request_timeout_secs);
         network_config.discv5_config.query_peer_timeout =
@@ -97,6 +105,8 @@ impl ZgsConfig {
         network_config.private = self.network_private;
 
         network_config.peer_db = self.network_peer_db;
+        network_config.peer_manager = self.network_peer_manager;
+        network_config.disable_enr_network_id = self.discv5_disable_enr_network_id;
 
         Ok(network_config)
     }

node/src/config/mod.rs

@@ -28,6 +28,7 @@ build_config! {
     (discv5_report_discovered_peers, (bool), false)
     (discv5_disable_packet_filter, (bool), false)
     (discv5_disable_ip_limit, (bool), false)
+    (discv5_disable_enr_network_id, (bool), false)
 
     // log sync
     (blockchain_rpc_endpoint, (String), "http://127.0.0.1:8545".to_string())
@@ -87,6 +88,9 @@ pub struct ZgsConfig {
     /// Network peer db config, configured by [network_peer_db] section by `config` crate.
     pub network_peer_db: network::peer_manager::peerdb::PeerDBConfig,
 
+    /// Network peer manager config, configured by [network_peer_manager] section by `config` crate.
+    pub network_peer_manager: network::peer_manager::config::Config,
+
     // router config, configured by [router] section by `config` crate.
     pub router: router::Config,
 

node/storage/benches/benchmark.rs

@@ -25,9 +25,14 @@ fn write_performance(c: &mut Criterion) {
     let executor = runtime.task_executor.clone();
 
     let store: Arc<RwLock<dyn Store>> = Arc::new(RwLock::new(
-        LogManager::rocksdb(LogConfig::default(), "db_write", executor)
+        LogManager::rocksdb(
-            .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
+            LogConfig::default(),
-            .unwrap(),
+            "db_flow_write",
+            "db_data_write",
+            executor,
+        )
+        .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
+        .unwrap(),
     ));
 
     let chunk_count = 2048;
@@ -114,9 +119,14 @@ fn read_performance(c: &mut Criterion) {
     let executor = runtime.task_executor.clone();
 
     let store: Arc<RwLock<dyn Store>> = Arc::new(RwLock::new(
-        LogManager::rocksdb(LogConfig::default(), "db_read", executor)
+        LogManager::rocksdb(
-            .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
+            LogConfig::default(),
-            .unwrap(),
+            "db_flow_read",
+            "db_data_read",
+            executor,
+        )
+        .map_err(|e| format!("Unable to start RocksDB store: {:?}", e))
+        .unwrap(),
     ));
 
     let tx_size = 1000;

node/storage/src/log_store/config.rs

@@ -63,22 +63,22 @@ impl<T: ?Sized + Configurable> ConfigurableExt for T {}
 
 impl Configurable for LogManager {
     fn get_config(&self, key: &[u8]) -> Result<Option<Vec<u8>>> {
-        Ok(self.db.get(COL_MISC, key)?)
+        Ok(self.flow_db.get(COL_MISC, key)?)
     }
 
     fn set_config(&self, key: &[u8], value: &[u8]) -> Result<()> {
-        self.db.put(COL_MISC, key, value)?;
+        self.flow_db.put(COL_MISC, key, value)?;
         Ok(())
     }
 
     fn remove_config(&self, key: &[u8]) -> Result<()> {
-        Ok(self.db.delete(COL_MISC, key)?)
+        Ok(self.flow_db.delete(COL_MISC, key)?)
     }
 
     fn exec_configs(&self, tx: ConfigTx) -> Result<()> {
-        let mut db_tx = self.db.transaction();
+        let mut db_tx = self.flow_db.transaction();
         db_tx.ops = tx.ops;
-        self.db.write(db_tx)?;
+        self.flow_db.write(db_tx)?;
 
         Ok(())
     }

node/storage/src/log_store/flow_store.rs

@@ -25,15 +25,15 @@ use tracing::{debug, error, trace};
 use zgs_spec::{BYTES_PER_SECTOR, SEALS_PER_LOAD, SECTORS_PER_LOAD, SECTORS_PER_SEAL};
 
 pub struct FlowStore {
-    db: Arc<FlowDBStore>,
+    data_db: Arc<FlowDBStore>,
     seal_manager: SealTaskManager,
     config: FlowConfig,
 }
 
 impl FlowStore {
-    pub fn new(db: Arc<FlowDBStore>, config: FlowConfig) -> Self {
+    pub fn new(data_db: Arc<FlowDBStore>, config: FlowConfig) -> Self {
         Self {
-            db,
+            data_db,
             seal_manager: Default::default(),
             config,
         }
@@ -45,18 +45,19 @@ impl FlowStore {
         subtree_list: Vec<(usize, usize, DataRoot)>,
     ) -> Result<()> {
         let mut batch = self
-            .db
+            .data_db
             .get_entry_batch(batch_index as u64)?
             .unwrap_or_else(|| EntryBatch::new(batch_index as u64));
         batch.set_subtree_list(subtree_list);
-        self.db.put_entry_raw(vec![(batch_index as u64, batch)])?;
+        self.data_db
+            .put_entry_raw(vec![(batch_index as u64, batch)])?;
 
         Ok(())
     }
 
     pub fn gen_proof_in_batch(&self, batch_index: usize, sector_index: usize) -> Result<FlowProof> {
         let batch = self
-            .db
+            .data_db
             .get_entry_batch(batch_index as u64)?
             .ok_or_else(|| anyhow!("batch missing, index={}", batch_index))?;
         let merkle = batch.to_merkle_tree(batch_index == 0)?.ok_or_else(|| {
@@ -70,7 +71,7 @@ impl FlowStore {
 
     pub fn delete_batch_list(&self, batch_list: &[u64]) -> Result<()> {
         self.seal_manager.delete_batch_list(batch_list);
-        self.db.delete_batch_list(batch_list)
+        self.data_db.delete_batch_list(batch_list)
     }
 }
 
@@ -116,7 +117,7 @@ impl FlowRead for FlowStore {
                 length -= 1;
             }
 
-            let entry_batch = try_option!(self.db.get_entry_batch(chunk_index)?);
+            let entry_batch = try_option!(self.data_db.get_entry_batch(chunk_index)?);
             let mut entry_batch_data =
                 try_option!(entry_batch.get_unsealed_data(offset as usize, length as usize));
             data.append(&mut entry_batch_data);
@@ -145,7 +146,7 @@ impl FlowRead for FlowStore {
             let chunk_index = start_entry_index / self.config.batch_size as u64;
 
             if let Some(mut data_list) = self
-                .db
+                .data_db
                 .get_entry_batch(chunk_index)?
                 .map(|b| b.into_data_list(start_entry_index))
             {
@@ -170,7 +171,7 @@ impl FlowRead for FlowStore {
     }
 
     fn load_sealed_data(&self, chunk_index: u64) -> Result<Option<MineLoadChunk>> {
-        let batch = try_option!(self.db.get_entry_batch(chunk_index)?);
+        let batch = try_option!(self.data_db.get_entry_batch(chunk_index)?);
         let mut mine_chunk = MineLoadChunk::default();
         for (seal_index, (sealed, validity)) in mine_chunk
             .loaded_chunk
@@ -188,7 +189,7 @@ impl FlowRead for FlowStore {
 
     fn get_num_entries(&self) -> Result<u64> {
         // This is an over-estimation as it assumes each batch is full.
-        self.db
+        self.data_db
             .kvdb
             .num_keys(COL_ENTRY_BATCH)
             .map(|num_batches| num_batches * PORA_CHUNK_SIZE as u64)
@@ -228,7 +229,7 @@ impl FlowWrite for FlowStore {
 
             // TODO: Try to avoid loading from db if possible.
             let mut batch = self
-                .db
+                .data_db
                 .get_entry_batch(chunk_index)?
                 .unwrap_or_else(|| EntryBatch::new(chunk_index));
             let completed_seals = batch.insert_data(
@@ -246,12 +247,12 @@ impl FlowWrite for FlowStore {
 
             batch_list.push((chunk_index, batch));
         }
-        self.db.put_entry_batch_list(batch_list)
+        self.data_db.put_entry_batch_list(batch_list)
     }
 
     fn truncate(&self, start_index: u64) -> crate::error::Result<()> {
         let mut to_seal_set = self.seal_manager.to_seal_set.write();
-        let to_reseal = self.db.truncate(start_index, self.config.batch_size)?;
+        let to_reseal = self.data_db.truncate(start_index, self.config.batch_size)?;
 
         to_seal_set.split_off(&(start_index as usize / SECTORS_PER_SEAL));
         let new_seal_version = self.seal_manager.inc_seal_version();
@@ -281,7 +282,7 @@ impl FlowSeal for FlowStore {
         let mut tasks = Vec::with_capacity(SEALS_PER_LOAD);
 
         let batch_data = self
-            .db
+            .data_db
             .get_entry_batch((first_index / SEALS_PER_LOAD) as u64)?
             .expect("Lost data chunk in to_seal_set");
 
@@ -320,7 +321,7 @@ impl FlowSeal for FlowStore {
             .chunk_by(|answer| answer.seal_index / SEALS_PER_LOAD as u64)
         {
             let mut batch_chunk = self
-                .db
+                .data_db
                 .get_entry_batch(load_index)?
                 .expect("Can not find chunk data");
             for answer in answers_in_chunk {
@@ -336,7 +337,7 @@ impl FlowSeal for FlowStore {
             to_seal_set.remove(&idx);
         }
 
-        self.db.put_entry_raw(updated_chunk)?;
+        self.data_db.put_entry_raw(updated_chunk)?;
 
         Ok(())
     }

node/storage/src/log_store/log_manager.rs

@@ -61,7 +61,7 @@ pub struct UpdateFlowMessage {
 }
 
 pub struct LogManager {
-    pub(crate) db: Arc<dyn ZgsKeyValueDB>,
+    pub(crate) flow_db: Arc<dyn ZgsKeyValueDB>,
     tx_store: TransactionStore,
     flow_store: Arc<FlowStore>,
     merkle: RwLock<MerkleManager>,
@@ -612,28 +612,33 @@ impl LogStoreRead for LogManager {
 impl LogManager {
     pub fn rocksdb(
         config: LogConfig,
-        path: impl AsRef<Path>,
+        flow_path: impl AsRef<Path>,
+        data_path: impl AsRef<Path>,
         executor: task_executor::TaskExecutor,
     ) -> Result<Self> {
         let mut db_config = DatabaseConfig::with_columns(COL_NUM);
         db_config.enable_statistics = true;
-        let db = Arc::new(Database::open(&db_config, path)?);
+        let flow_db_source = Arc::new(Database::open(&db_config, flow_path)?);
-        Self::new(db, config, executor)
+        let data_db_source = Arc::new(Database::open(&db_config, data_path)?);
+        Self::new(flow_db_source, data_db_source, config, executor)
     }
 
     pub fn memorydb(config: LogConfig, executor: task_executor::TaskExecutor) -> Result<Self> {
-        let db = Arc::new(kvdb_memorydb::create(COL_NUM));
+        let flow_db = Arc::new(kvdb_memorydb::create(COL_NUM));
-        Self::new(db, config, executor)
+        let data_db = Arc::new(kvdb_memorydb::create(COL_NUM));
+        Self::new(flow_db, data_db, config, executor)
     }
 
     fn new(
-        db: Arc<dyn ZgsKeyValueDB>,
+        flow_db_source: Arc<dyn ZgsKeyValueDB>,
+        data_db_source: Arc<dyn ZgsKeyValueDB>,
         config: LogConfig,
         executor: task_executor::TaskExecutor,
     ) -> Result<Self> {
-        let tx_store = TransactionStore::new(db.clone())?;
+        let tx_store = TransactionStore::new(flow_db_source.clone())?;
-        let flow_db = Arc::new(FlowDBStore::new(db.clone()));
+        let flow_db = Arc::new(FlowDBStore::new(flow_db_source.clone()));
-        let flow_store = Arc::new(FlowStore::new(flow_db.clone(), config.flow.clone()));
+        let data_db = Arc::new(FlowDBStore::new(data_db_source.clone()));
+        let flow_store = Arc::new(FlowStore::new(data_db.clone(), config.flow.clone()));
         // If the last tx `put_tx` does not complete, we will revert it in `pora_chunks_merkle`
         // first and call `put_tx` later.
         let next_tx_seq = tx_store.next_tx_seq();
@@ -737,7 +742,7 @@ impl LogManager {
         let (sender, receiver) = mpsc::channel();
 
         let mut log_manager = Self {
-            db,
+            flow_db: flow_db_source,
             tx_store,
             flow_store,
             merkle,

tests/config/node_config.py

@@ -3,6 +3,10 @@ from web3 import Web3
 ZGS_CONFIG = {
     "log_config_file": "log_config",
     "confirmation_block_count": 1,
+    "discv5_disable_ip_limit": True,
+    "network_peer_manager": {
+        "heartbeat_interval": "1s"
+    },
     "router": {
         "private_ip_enabled": True,
     },
@@ -18,6 +22,8 @@ ZGS_CONFIG = {
     }
 }
 
+ZGS_NODEID = "16Uiu2HAmLkGFUbNFYdhuSbTQ5hmnPjFXx2zUDtwQ2uihHpN9YNNe"
+
 BSC_CONFIG = dict(
     NetworkId=1000,
     HTTPPort=8545,

tests/network_discovery_test.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+import os
+import time
+
+from config.node_config import ZGS_NODEID
+from test_framework.test_framework import TestFramework
+from utility.utils import p2p_port
+
+class NetworkDiscoveryTest(TestFramework):
+    """
+    This is to test whether community nodes could connect to each other via UDP discovery.
+    """
+
+    def setup_params(self):
+        # 1 bootnode and 2 community nodes
+        self.num_nodes = 3
+
+        # setup for node 0 as bootnode
+        tests_dir = os.path.dirname(__file__)
+        network_dir = os.path.join(tests_dir, "config", "zgs", "network")
+        bootnode_port = p2p_port(0)
+        self.zgs_node_configs[0] = {
+            # load pre-defined keypair
+            "network_dir": network_dir,
+
+            # enable UDP discovery relevant configs
+            "network_enr_address": "127.0.0.1",
+            "network_enr_tcp_port": bootnode_port,
+            "network_enr_udp_port": bootnode_port,
+
+            # disable trusted nodes
+            "network_libp2p_nodes": [],
+        }
+
+        # setup node 1 & 2 as community nodes
+        bootnodes = [f"/ip4/127.0.0.1/udp/{bootnode_port}/p2p/{ZGS_NODEID}"]
+        for i in range(1, self.num_nodes):
+            self.zgs_node_configs[i] = {
+                # enable UDP discovery relevant configs
+                "network_enr_address": "127.0.0.1",
+                "network_enr_tcp_port": p2p_port(i),
+                "network_enr_udp_port": p2p_port(i),
+
+                # disable trusted nodes and enable bootnodes
+                "network_libp2p_nodes": [],
+                "network_boot_nodes": bootnodes,
+            }
+
+    def run_test(self):
+        timeout_secs = 10
+
+        for iter in range(timeout_secs + 1):
+            assert iter < timeout_secs, "Timeout to discover nodes for peer connection"
+            time.sleep(1)
+            self.log.info("==================================== iter %s", iter)
+
+            total_connected = 0
+            for i in range(self.num_nodes):
+                info = self.nodes[i].rpc.admin_getNetworkInfo()
+                total_connected += info["connectedPeers"]
+                self.log.info(
+                    "Node[%s] peers: total = %s, banned = %s, disconnected = %s, connected = %s (in = %s, out = %s)",
+                    i, info["totalPeers"], info["bannedPeers"], info["disconnectedPeers"], info["connectedPeers"], info["connectedIncomingPeers"], info["connectedOutgoingPeers"],
+                )
+
+            if total_connected >= self.num_nodes * (self.num_nodes - 1):
+                break
+
+        self.log.info("====================================")
+        self.log.info("All nodes connected to each other successfully")
+
+if __name__ == "__main__":
+    NetworkDiscoveryTest().main()

tests/network_discovery_upgrade_test.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+import os
+import time
+
+from config.node_config import ZGS_NODEID
+from test_framework.test_framework import TestFramework
+from utility.utils import p2p_port
+
+class NetworkDiscoveryUpgradeTest(TestFramework):
+    """
+    This is to test that low version community nodes could not connect to bootnodes.
+    """
+
+    def setup_params(self):
+        # 1 bootnode and 1 community node
+        self.num_nodes = 2
+
+        # setup for node 0 as bootnode
+        tests_dir = os.path.dirname(__file__)
+        network_dir = os.path.join(tests_dir, "config", "zgs", "network")
+        bootnode_port = p2p_port(0)
+        self.zgs_node_configs[0] = {
+            # load pre-defined keypair
+            "network_dir": network_dir,
+
+            # enable UDP discovery relevant configs
+            "network_enr_address": "127.0.0.1",
+            "network_enr_tcp_port": bootnode_port,
+            "network_enr_udp_port": bootnode_port,
+
+            # disable trusted nodes
+            "network_libp2p_nodes": [],
+        }
+
+        # setup node 1 as community node
+        bootnodes = [f"/ip4/127.0.0.1/udp/{bootnode_port}/p2p/{ZGS_NODEID}"]
+        for i in range(1, self.num_nodes):
+            self.zgs_node_configs[i] = {
+                # enable UDP discovery relevant configs
+                "network_enr_address": "127.0.0.1",
+                "network_enr_tcp_port": p2p_port(i),
+                "network_enr_udp_port": p2p_port(i),
+
+                # disable trusted nodes and enable bootnodes
+                "network_libp2p_nodes": [],
+                "network_boot_nodes": bootnodes,
+
+                # disable network identity in ENR
+                "discv5_disable_enr_network_id": True,
+            }
+
+    def run_test(self):
+        for iter in range(10):
+            time.sleep(1)
+            self.log.info("==================================== iter %s", iter)
+
+            total_connected = 0
+            for i in range(self.num_nodes):
+                info = self.nodes[i].rpc.admin_getNetworkInfo()
+                total_connected += info["connectedPeers"]
+                self.log.info(
+                    "Node[%s] peers: total = %s, banned = %s, disconnected = %s, connected = %s (in = %s, out = %s)",
+                    i, info["totalPeers"], info["bannedPeers"], info["disconnectedPeers"], info["connectedPeers"], info["connectedIncomingPeers"], info["connectedOutgoingPeers"],
+                )
+
+            # ENR incompatible and should not discover each other for TCP connection
+            assert total_connected == 0, "Nodes connected unexpectedly"
+
+        self.log.info("====================================")
+        self.log.info("ENR incompatible nodes do not connect to each other")
+
+if __name__ == "__main__":
+    NetworkDiscoveryUpgradeTest().main()

version-meld/discv5/src/config.rs

@@ -2,7 +2,7 @@ use crate::{
     kbucket::MAX_NODES_PER_BUCKET, Enr, Executor, PermitBanList, RateLimiter, RateLimiterBuilder,
 };
 ///! A set of configuration parameters to tune the discovery protocol.
-use std::time::Duration;
+use std::{sync::Arc, time::Duration};
 
 /// Configuration parameters that define the performance of the gossipsub network.
 #[derive(Clone)]
@@ -57,7 +57,7 @@ pub struct Discv5Config {
 
     /// A filter used to decide whether to insert nodes into our local routing table. Nodes can be
     /// excluded if they do not pass this filter. The default is to accept all nodes.
-    pub table_filter: fn(&Enr) -> bool,
+    pub table_filter: Arc<dyn Fn(&Enr) -> bool + Send + Sync>,
 
     /// The time between pings to ensure connectivity amongst connected nodes. Default: 300
     /// seconds.
@@ -123,7 +123,7 @@ impl Default for Discv5Config {
             query_parallelism: 3,
             ip_limit: false,
             incoming_bucket_limit: MAX_NODES_PER_BUCKET,
-            table_filter: |_| true,
+            table_filter: Arc::new(|_| true),
             ping_interval: Duration::from_secs(300),
             report_discovered_peers: true,
             filter_rate_limiter,
@@ -242,8 +242,8 @@ impl Discv5ConfigBuilder {
 
     /// A filter used to decide whether to insert nodes into our local routing table. Nodes can be
     /// excluded if they do not pass this filter.
-    pub fn table_filter(&mut self, filter: fn(&Enr) -> bool) -> &mut Self {
+    pub fn table_filter<F>(&mut self, filter: F) -> &mut Self where F: Fn(&Enr) -> bool + Send + Sync + 'static {
-        self.config.table_filter = filter;
+        self.config.table_filter = Arc::new(filter);
         self
     }
 

version-meld/discv5/src/handler/mod.rs

@@ -754,6 +754,7 @@ impl Handler {
         // failed.
         enr.node_id() == node_address.node_id
             && (enr.udp_socket().is_none() || enr.udp_socket() == Some(node_address.socket_addr))
+            && enr.get("network_identity").is_some()
     }
 
     /// Handle a message that contains an authentication header.

version-meld/discv5/src/service.rs

@@ -1264,7 +1264,12 @@ impl Service {
             "Session established with Node: {}, direction: {}",
             node_id, direction
         );
-        self.connection_updated(node_id, ConnectionStatus::Connected(enr, direction));
+
+        // requires network identity in ENR, so as to refuse low version peers.
+        match enr.get("network_identity") {
+            Some(_) => self.connection_updated(node_id, ConnectionStatus::Connected(enr, direction)),
+            None => debug!(ip=?enr.ip(), "No network identity in peer ENR"),
+        }
     }
 
     /// A session could not be established or an RPC request timed-out (after a few retries, if