Additional Hotfixes for testnet3 branch

Cargo.toml

@@ -55,7 +55,6 @@ name = "snarkos"
 path = "snarkos/main.rs"
 
 [features]
-jemalloc = [ "tikv-jemallocator" ]
 metrics = [ "snarkos-node-metrics", "snarkos-node/metrics" ]
 
 [dependencies.anyhow]
@@ -120,9 +119,8 @@ version = "=2.2.7"
 path = "./node/tcp"
 version = "=2.2.7"
 
-[dependencies.tikv-jemallocator]
-version = "0.5"
-optional = true
+[target.'cfg(all(target_os = "linux", target_arch = "x86_64"))'.dependencies]
+tikv-jemallocator = "0.5"
 
 [dev-dependencies.rusty-hook]
 version = "0.11.2"

cli/src/commands/start.rs

@@ -248,7 +248,7 @@ impl Start {
                         let _ = PrivateKey::<N>::new(&mut rng)?;
                     }
                     let private_key = PrivateKey::<N>::new(&mut rng)?;
-                    println!("🔑 Your development private key for node {dev} is {}\n", private_key.to_string().bold());
+                    println!("🔑 Your development private key for node {dev} is {}.\n", private_key.to_string().bold());
                     private_key
                 })
             }
@@ -411,7 +411,7 @@ impl Start {
         // If the display is not enabled, render the welcome message.
         if self.nodisplay {
             // Print the Aleo address.
-            println!("🪪 Your Aleo address is {}.\n", account.address().to_string().bold());
+            println!("👛 Your Aleo address is {}.\n", account.address().to_string().bold());
             // Print the node type and network.
             println!(
                 "🧭 Starting {} on {} {} at {}.\n",
@@ -465,23 +465,12 @@ impl Start {
     fn runtime() -> Runtime {
         // Retrieve the number of cores.
         let num_cores = num_cpus::get();
-        // Determine the number of main cores.
-        let main_cores = match num_cores {
-            // Insufficient
-            0..=3 => {
-                eprintln!("The number of cores is insufficient, at least 4 are needed.");
-                std::process::exit(1);
-            }
-            // Efficiency mode
-            4..=8 => 2,
-            // Standard mode
-            9..=16 => 8,
-            // Performance mode
-            _ => 16,
-        };
 
+        // Initialize the number of tokio worker threads, max tokio blocking threads, and rayon cores.
+        // Note: We intentionally set the number of tokio worker threads and number of rayon cores to be
+        // more than the number of physical cores, because the node is expected to be I/O-bound.
         let (num_tokio_worker_threads, max_tokio_blocking_threads, num_rayon_cores_global) =
-            { (num_cores.min(main_cores), 512, num_cores.saturating_sub(main_cores).max(1)) };
+            (2 * num_cores, 512, num_cores);
 
         // Initialize the parallelization parameters.
         rayon::ThreadPoolBuilder::new()

cli/src/helpers/mod.rs

@@ -41,8 +41,8 @@ pub fn check_open_files_limit(minimum: u64) {
                 // Warn about too low limit.
                 let warning = [
                     format!("⚠️  The open files limit ({soft_limit}) for this process is lower than recommended."),
-                    format!("⚠️  To ensure correct behavior of the node, please raise it to at least {minimum}."),
-                    "⚠️  See the `ulimit` command and `/etc/security/limits.conf` for more details.".to_owned(),
+                    format!("  • To ensure correct behavior of the node, please raise it to at least {minimum}."),
+                    "  • See the `ulimit` command and `/etc/security/limits.conf` for more details.".to_owned(),
                 ]
                 .join("\n")
                 .yellow()
@@ -54,8 +54,8 @@ pub fn check_open_files_limit(minimum: u64) {
             // Warn about unknown limit.
             let warning = [
                 format!("⚠️  Unable to check the open files limit for this process due to {err}."),
-                format!("⚠️  To ensure correct behavior of the node, please ensure it is at least {minimum}."),
-                "⚠️  See the `ulimit` command and `/etc/security/limits.conf` for more details.".to_owned(),
+                format!("  • To ensure correct behavior of the node, please ensure it is at least {minimum}."),
+                "  • See the `ulimit` command and `/etc/security/limits.conf` for more details.".to_owned(),
             ]
             .join("\n")
             .yellow()

node/bft/ledger-service/Cargo.toml

@@ -18,7 +18,7 @@ edition = "2021"
 
 [features]
 default = [ ]
-ledger = [ "rand", "tokio", "tracing" ]
+ledger = [ "parking_lot", "rand", "tokio", "tracing" ]
 ledger-write = [ ]
 mock = [ "parking_lot", "tracing" ]
 prover = [ ]
@@ -32,6 +32,9 @@ version = "0.1"
 version = "2.1"
 features = [ "serde", "rayon" ]
 
+[dependencies.lru]
+version = "0.12"
+
 [dependencies.parking_lot]
 version = "0.12"
 optional = true

node/bft/ledger-service/src/ledger.rs

@@ -26,6 +26,8 @@ use snarkvm::{
 };
 
 use indexmap::IndexMap;
+use lru::LruCache;
+use parking_lot::Mutex;
 use std::{
     fmt,
     ops::Range,
@@ -35,18 +37,23 @@ use std::{
     },
 };
 
+/// The capacity of the LRU holiding the recently queried committees.
+const COMMITTEE_CACHE_SIZE: usize = 16;
+
 /// A core ledger service.
 pub struct CoreLedgerService<N: Network, C: ConsensusStorage<N>> {
     ledger: Ledger<N, C>,
     coinbase_verifying_key: Arc<CoinbaseVerifyingKey<N>>,
+    committee_cache: Arc<Mutex<LruCache<u64, Committee<N>>>>,
     shutdown: Arc<AtomicBool>,
 }
 
 impl<N: Network, C: ConsensusStorage<N>> CoreLedgerService<N, C> {
     /// Initializes a new core ledger service.
     pub fn new(ledger: Ledger<N, C>, shutdown: Arc<AtomicBool>) -> Self {
         let coinbase_verifying_key = Arc::new(ledger.coinbase_puzzle().coinbase_verifying_key().clone());
-        Self { ledger, coinbase_verifying_key, shutdown }
+        let committee_cache = Arc::new(Mutex::new(LruCache::new(COMMITTEE_CACHE_SIZE.try_into().unwrap())));
+        Self { ledger, coinbase_verifying_key, committee_cache, shutdown }
     }
 }
 
@@ -127,9 +134,19 @@ impl<N: Network, C: ConsensusStorage<N>> LedgerService<N> for CoreLedgerService<
     /// Returns the committee for the given round.
     /// If the given round is in the future, then the current committee is returned.
     fn get_committee_for_round(&self, round: u64) -> Result<Committee<N>> {
+        // Check if the committee is already in the cache.
+        if let Some(committee) = self.committee_cache.lock().get(&round) {
+            return Ok(committee.clone());
+        }
+
         match self.ledger.get_committee_for_round(round)? {
             // Return the committee if it exists.
-            Some(committee) => Ok(committee),
+            Some(committee) => {
+                // Insert the committee into the cache.
+                self.committee_cache.lock().push(round, committee.clone());
+                // Return the committee.
+                Ok(committee)
+            }
             // Return the current committee if the round is in the future.
             None => {
                 // Retrieve the current committee.
@@ -174,8 +191,8 @@ impl<N: Network, C: ConsensusStorage<N>> LedgerService<N> for CoreLedgerService<
         }
     }
 
-    /// Ensures the given transmission ID matches the given transmission.
-    fn ensure_transmission_id_matches(
+    /// Ensures that the given transmission is not a fee and matches the given transmission ID.
+    fn ensure_transmission_is_well_formed(
         &self,
         transmission_id: TransmissionID<N>,
         transmission: &mut Transmission<N>,
@@ -185,6 +202,7 @@ impl<N: Network, C: ConsensusStorage<N>> LedgerService<N> for CoreLedgerService<
             (TransmissionID::Transaction(expected_transaction_id), Transmission::Transaction(transaction_data)) => {
                 match transaction_data.clone().deserialize_blocking() {
                     Ok(transaction) => {
+                        // Ensure the transaction ID matches the expected transaction ID.
                         if transaction.id() != expected_transaction_id {
                             bail!(
                                 "Received mismatching transaction ID  - expected {}, found {}",
@@ -193,6 +211,11 @@ impl<N: Network, C: ConsensusStorage<N>> LedgerService<N> for CoreLedgerService<
                             );
                         }
 
+                        // Ensure the transaction is not a fee transaction.
+                        if transaction.is_fee() {
+                            bail!("Received a fee transaction in a transmission");
+                        }
+
                         // Update the transmission with the deserialized transaction.
                         *transaction_data = Data::Object(transaction);
                     }

node/bft/ledger-service/src/mock.rs

@@ -143,8 +143,8 @@ impl<N: Network> LedgerService<N> for MockLedgerService<N> {
         Ok(false)
     }
 
-    /// Ensures the given transmission ID matches the given transmission.
-    fn ensure_transmission_id_matches(
+    /// Ensures that the given transmission is not a fee and matches the given transmission ID.
+    fn ensure_transmission_is_well_formed(
         &self,
         transmission_id: TransmissionID<N>,
         _transmission: &mut Transmission<N>,

node/bft/ledger-service/src/prover.rs

@@ -124,8 +124,8 @@ impl<N: Network> LedgerService<N> for ProverLedgerService<N> {
         bail!("Transmission '{transmission_id}' does not exist in prover")
     }
 
-    /// Ensures the given transmission ID matches the given transmission.
-    fn ensure_transmission_id_matches(
+    /// Ensures that the given transmission is not a fee and matches the given transmission ID.
+    fn ensure_transmission_is_well_formed(
         &self,
         _transmission_id: TransmissionID<N>,
         _transmission: &mut Transmission<N>,

node/bft/ledger-service/src/traits.rs

@@ -78,8 +78,8 @@ pub trait LedgerService<N: Network>: Debug + Send + Sync {
     /// Returns `true` if the ledger contains the given transmission ID.
     fn contains_transmission(&self, transmission_id: &TransmissionID<N>) -> Result<bool>;
 
-    /// Ensures the given transmission ID matches the given transmission.
-    fn ensure_transmission_id_matches(
+    /// Ensures that the given transmission is not a fee and matches the given transmission ID.
+    fn ensure_transmission_is_well_formed(
         &self,
         transmission_id: TransmissionID<N>,
         transmission: &mut Transmission<N>,

node/bft/ledger-service/src/translucent.rs

@@ -135,7 +135,7 @@ impl<N: Network, C: ConsensusStorage<N>> LedgerService<N> for TranslucentLedgerS
     }
 
     /// Always succeeds.
-    fn ensure_transmission_id_matches(
+    fn ensure_transmission_is_well_formed(
         &self,
         _transmission_id: TransmissionID<N>,
         _transmission: &mut Transmission<N>,