feat: integrate blobstore in pool (#4266)

bin/reth/src/node/mod.rs

@@ -65,7 +65,9 @@ use reth_stages::{
     MetricEventsSender, MetricsListener,
 };
 use reth_tasks::TaskExecutor;
-use reth_transaction_pool::{TransactionPool, TransactionValidationTaskExecutor};
+use reth_transaction_pool::{
+    blobstore::InMemoryBlobStore, TransactionPool, TransactionValidationTaskExecutor,
+};
 use secp256k1::SecretKey;
 use std::{
     net::{Ipv4Addr, SocketAddr, SocketAddrV4},
@@ -269,6 +271,7 @@ impl<Ext: RethCliExt> NodeCommand<Ext> {
                 ctx.task_executor.clone(),
                 1,
             ),
+            InMemoryBlobStore::default(),
             self.txpool.pool_config(),
         );
         info!(target: "reth::cli", "Transaction pool initialized");

crates/transaction-pool/src/lib.rs

@@ -29,6 +29,7 @@
 //!    - providing existing transactions
 //!    - ordering and providing the best transactions for block production
 //!    - monitoring memory footprint and enforce pool size limits
+//!    - storing blob data for transactions in a separate blobstore on insertion
 //!
 //! ## Assumptions
 //!
@@ -86,6 +87,13 @@
 //! that provides the `TransactionPool` interface.
 //!
 //!
+//! ## Blob Transactions
+//!
+//! Blob transaction can be quite large hence they are stored in a separate blobstore. The pool is
+//! responsible for inserting blob data for new transactions into the blobstore.
+//! See also [ValidTransaction](validate::ValidTransaction)
+//!
+//!
 //! ## Examples
 //!
 //! Listen for new transactions and print them:
@@ -95,9 +103,11 @@
 //! use reth_provider::{ChainSpecProvider, StateProviderFactory};
 //! use reth_tasks::TokioTaskExecutor;
 //! use reth_transaction_pool::{TransactionValidationTaskExecutor, Pool, TransactionPool};
+//! use reth_transaction_pool::blobstore::InMemoryBlobStore;
 //!  async fn t<C>(client: C)  where C: StateProviderFactory + ChainSpecProvider + Clone + 'static{
 //!     let pool = Pool::eth_pool(
 //!         TransactionValidationTaskExecutor::eth(client, MAINNET.clone(), TokioTaskExecutor::default()),
+//!         InMemoryBlobStore::default(),
 //!         Default::default(),
 //!     );
 //!   let mut transactions = pool.pending_transactions_listener();
@@ -120,6 +130,7 @@
 //! use reth_provider::{BlockReaderIdExt, CanonStateNotification, ChainSpecProvider, StateProviderFactory};
 //! use reth_tasks::TokioTaskExecutor;
 //! use reth_transaction_pool::{TransactionValidationTaskExecutor, Pool};
+//! use reth_transaction_pool::blobstore::InMemoryBlobStore;
 //! use reth_transaction_pool::maintain::maintain_transaction_pool_future;
 //!  async fn t<C, St>(client: C, stream: St)
 //!    where C: StateProviderFactory + BlockReaderIdExt + ChainSpecProvider + Clone + 'static,
@@ -127,6 +138,7 @@
 //!     {
 //!     let pool = Pool::eth_pool(
 //!         TransactionValidationTaskExecutor::eth(client.clone(), MAINNET.clone(), TokioTaskExecutor::default()),
+//!         InMemoryBlobStore::default(),
 //!         Default::default(),
 //!     );
 //!
@@ -151,6 +163,7 @@ use std::{
 use tokio::sync::mpsc::Receiver;
 use tracing::{instrument, trace};
 
+use crate::blobstore::BlobStore;
 pub use crate::{
     config::{
         PoolConfig, PriceBumpConfig, SubPoolLimit, DEFAULT_PRICE_BUMP, REPLACE_BLOB_PRICE_BUMP,
@@ -194,25 +207,26 @@ pub mod test_utils;
 
 /// A shareable, generic, customizable `TransactionPool` implementation.
 #[derive(Debug)]
-pub struct Pool<V: TransactionValidator, T: TransactionOrdering> {
+pub struct Pool<V, T: TransactionOrdering, S> {
     /// Arc'ed instance of the pool internals
-    pool: Arc<PoolInner<V, T>>,
+    pool: Arc<PoolInner<V, T, S>>,
 }
 
 // === impl Pool ===
 
-impl<V, T> Pool<V, T>
+impl<V, T, S> Pool<V, T, S>
 where
     V: TransactionValidator,
     T: TransactionOrdering<Transaction = <V as TransactionValidator>::Transaction>,
+    S: BlobStore,
 {
     /// Create a new transaction pool instance.
-    pub fn new(validator: V, ordering: T, config: PoolConfig) -> Self {
-        Self { pool: Arc::new(PoolInner::new(validator, ordering, config)) }
+    pub fn new(validator: V, ordering: T, blob_store: S, config: PoolConfig) -> Self {
+        Self { pool: Arc::new(PoolInner::new(validator, ordering, blob_store, config)) }
     }
 
     /// Returns the wrapped pool.
-    pub(crate) fn inner(&self) -> &PoolInner<V, T> {
+    pub(crate) fn inner(&self) -> &PoolInner<V, T, S> {
         &self.pool
     }
 
@@ -261,13 +275,15 @@ where
     }
 }
 
-impl<Client>
+impl<Client, S>
     Pool<
         TransactionValidationTaskExecutor<EthTransactionValidator<Client, EthPooledTransaction>>,
         CoinbaseTipOrdering<EthPooledTransaction>,
+        S,
     >
 where
     Client: StateProviderFactory + Clone + 'static,
+    S: BlobStore,
 {
     /// Returns a new [Pool] that uses the default [TransactionValidationTaskExecutor] when
     /// validating [EthPooledTransaction]s and ords via [CoinbaseTipOrdering]
@@ -279,9 +295,11 @@ where
     /// use reth_primitives::MAINNET;
     /// use reth_tasks::TokioTaskExecutor;
     /// use reth_transaction_pool::{TransactionValidationTaskExecutor, Pool};
+    /// use reth_transaction_pool::blobstore::InMemoryBlobStore;
     /// # fn t<C>(client: C)  where C: StateProviderFactory + Clone + 'static{
     ///     let pool = Pool::eth_pool(
     ///         TransactionValidationTaskExecutor::eth(client, MAINNET.clone(), TokioTaskExecutor::default()),
+    ///         InMemoryBlobStore::default(),
     ///         Default::default(),
     ///     );
     /// # }
@@ -290,18 +308,20 @@ where
         validator: TransactionValidationTaskExecutor<
             EthTransactionValidator<Client, EthPooledTransaction>,
         >,
+        blob_store: S,
         config: PoolConfig,
     ) -> Self {
-        Self::new(validator, CoinbaseTipOrdering::default(), config)
+        Self::new(validator, CoinbaseTipOrdering::default(), blob_store, config)
     }
 }
 
 /// implements the `TransactionPool` interface for various transaction pool API consumers.
 #[async_trait::async_trait]
-impl<V, T> TransactionPool for Pool<V, T>
+impl<V, T, S> TransactionPool for Pool<V, T, S>
 where
     V: TransactionValidator,
     T: TransactionOrdering<Transaction = <V as TransactionValidator>::Transaction>,
+    S: BlobStore,
 {
     type Transaction = T::Transaction;
 
@@ -440,10 +460,11 @@ where
     }
 }
 
-impl<V: TransactionValidator, T: TransactionOrdering> TransactionPoolExt for Pool<V, T>
+impl<V: TransactionValidator, T: TransactionOrdering, S> TransactionPoolExt for Pool<V, T, S>
 where
     V: TransactionValidator,
     T: TransactionOrdering<Transaction = <V as TransactionValidator>::Transaction>,
+    S: BlobStore,
 {
     #[instrument(skip(self), target = "txpool")]
     fn set_block_info(&self, info: BlockInfo) {
@@ -460,7 +481,7 @@ where
     }
 }
 
-impl<V: TransactionValidator, T: TransactionOrdering> Clone for Pool<V, T> {
+impl<V, T: TransactionOrdering, S> Clone for Pool<V, T, S> {
     fn clone(&self) -> Self {
         Self { pool: Arc::clone(&self.pool) }
     }

crates/transaction-pool/src/metrics.rs

@@ -38,6 +38,16 @@ pub struct TxPoolMetrics {
     pub(crate) performed_state_updates: Counter,
 }
 
+/// Transaction pool blobstore metrics
+#[derive(Metrics)]
+#[metrics(scope = "transaction_pool")]
+pub struct BlobStoreMetrics {
+    /// Number of failed inserts into the blobstore
+    pub(crate) blobstore_failed_inserts: Counter,
+    /// Number of failed deletes into the blobstore
+    pub(crate) blobstore_failed_deletes: Counter,
+}
+
 /// Transaction pool maintenance metrics
 #[derive(Metrics)]
 #[metrics(scope = "transaction_pool")]

crates/transaction-pool/src/pool/mod.rs

@@ -82,7 +82,7 @@ use crate::{
 };
 use best::BestTransactions;
 use parking_lot::{Mutex, RwLock};
-use reth_primitives::{Address, TxHash, H256};
+use reth_primitives::{Address, BlobTransactionSidecar, TxHash, H256};
 use std::{
     collections::{HashMap, HashSet},
     fmt,
@@ -90,14 +90,15 @@ use std::{
     time::Instant,
 };
 use tokio::sync::mpsc;
-use tracing::{debug, trace};
+use tracing::{debug, trace, warn};
 
 mod events;
 pub use events::{FullTransactionEvent, TransactionEvent};
 
 mod listener;
 use crate::{
-    pool::txpool::UpdateOutcome, traits::PendingTransactionListenerKind, validate::ValidTransaction,
+    blobstore::BlobStore, metrics::BlobStoreMetrics, pool::txpool::UpdateOutcome,
+    traits::PendingTransactionListenerKind, validate::ValidTransaction,
 };
 pub use listener::{AllTransactionsEvents, TransactionEvents};
 
@@ -110,11 +111,16 @@ pub mod txpool;
 mod update;
 
 /// Transaction pool internals.
-pub struct PoolInner<V: TransactionValidator, T: TransactionOrdering> {
+pub struct PoolInner<V, T, S>
+where
+    T: TransactionOrdering,
+{
     /// Internal mapping of addresses to plain ints.
     identifiers: RwLock<SenderIdentifiers>,
     /// Transaction validation.
     validator: V,
+    /// Storage for blob transactions
+    blob_store: S,
     /// The internal pool that manages all transactions.
     pool: RwLock<TxPool<T>>,
     /// Pool settings.
@@ -125,17 +131,20 @@ pub struct PoolInner<V: TransactionValidator, T: TransactionOrdering> {
     pending_transaction_listener: Mutex<Vec<PendingTransactionListener>>,
     /// Listeners for new transactions added to the pool.
     transaction_listener: Mutex<Vec<mpsc::Sender<NewTransactionEvent<T::Transaction>>>>,
+    /// Metrics for the blob store
+    blob_store_metrics: BlobStoreMetrics,
 }
 
 // === impl PoolInner ===
 
-impl<V, T> PoolInner<V, T>
+impl<V, T, S> PoolInner<V, T, S>
 where
     V: TransactionValidator,
     T: TransactionOrdering<Transaction = <V as TransactionValidator>::Transaction>,
+    S: BlobStore,
 {
     /// Create a new transaction pool instance.
-    pub(crate) fn new(validator: V, ordering: T, config: PoolConfig) -> Self {
+    pub(crate) fn new(validator: V, ordering: T, blob_store: S, config: PoolConfig) -> Self {
         Self {
             identifiers: Default::default(),
             validator,
@@ -144,6 +153,8 @@ where
             pending_transaction_listener: Default::default(),
             transaction_listener: Default::default(),
             config,
+            blob_store,
+            blob_store_metrics: Default::default(),
         }
     }
 
@@ -316,7 +327,8 @@ where
                 let transaction_id = TransactionId::new(sender_id, transaction.nonce());
                 let encoded_length = transaction.encoded_length();
 
-                let (transaction, _maybe_sidecar) = match transaction {
+                // split the valid transaction and the blob sidecar if it has any
+                let (transaction, maybe_sidecar) = match transaction {
                     ValidTransaction::Valid(tx) => (tx, None),
                     ValidTransaction::ValidWithSidecar { transaction, sidecar } => {
                         debug_assert!(
@@ -339,6 +351,16 @@ where
                 let added = self.pool.write().add_transaction(tx, balance, state_nonce)?;
                 let hash = *added.hash();
 
+                // transaction was successfully inserted into the pool
+                if let Some(sidecar) = maybe_sidecar {
+                    // store the sidecar in the blob store
+                    self.insert_blob(hash, sidecar);
+                }
+                if let Some(replaced) = added.replaced_blob_transaction() {
+                    // delete the replaced transaction from the blob store
+                    self.delete_blob(replaced);
+                }
+
                 // Notify about new pending transactions
                 if let Some(pending) = added.as_pending() {
                     self.on_new_pending_transaction(pending);
@@ -625,9 +647,25 @@ where
     pub(crate) fn discard_worst(&self) -> HashSet<TxHash> {
         self.pool.write().discard_worst().into_iter().map(|tx| *tx.hash()).collect()
     }
+
+    /// Inserts a blob transaction into the blob store
+    fn insert_blob(&self, hash: TxHash, blob: BlobTransactionSidecar) {
+        if let Err(err) = self.blob_store.insert(hash, blob) {
+            warn!(target: "txpool", ?err, "[{:?}] failed to insert blob", hash);
+            self.blob_store_metrics.blobstore_failed_inserts.increment(1);
+        }
+    }
+
+    /// Delete a blob from the blob store
+    fn delete_blob(&self, blob: TxHash) {
+        if let Err(err) = self.blob_store.delete(blob) {
+            warn!(target: "txpool", ?err, "[{:?}] failed to delete blobs", blob);
+            self.blob_store_metrics.blobstore_failed_deletes.increment(1);
+        }
+    }
 }
 
-impl<V: TransactionValidator, T: TransactionOrdering> fmt::Debug for PoolInner<V, T> {
+impl<V, T: TransactionOrdering, S> fmt::Debug for PoolInner<V, T, S> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("PoolInner").field("config", &self.config).finish_non_exhaustive()
     }
@@ -723,6 +761,19 @@ impl<T: PoolTransaction> AddedTransaction<T> {
         }
     }
 
+    /// Returns the the replaced transaction if there was one
+    pub(crate) fn replaced(&self) -> Option<&Arc<ValidPoolTransaction<T>>> {
+        match self {
+            AddedTransaction::Pending(tx) => tx.replaced.as_ref(),
+            AddedTransaction::Parked { replaced, .. } => replaced.as_ref(),
+        }
+    }
+
+    /// Returns the hash of the replaced transaction if it is a blob transaction.
+    pub(crate) fn replaced_blob_transaction(&self) -> Option<H256> {
+        self.replaced().filter(|tx| tx.transaction.is_eip4844()).map(|tx| *tx.transaction.hash())
+    }
+
     /// Returns the hash of the transaction
     pub(crate) fn hash(&self) -> &TxHash {
         match self {

crates/transaction-pool/src/test_utils/mod.rs

@@ -5,15 +5,16 @@ mod mock;
 mod pool;
 
 use crate::{
-    noop::MockTransactionValidator, Pool, PoolTransaction, TransactionOrigin,
-    TransactionValidationOutcome, TransactionValidator,
+    blobstore::InMemoryBlobStore, noop::MockTransactionValidator, Pool, PoolTransaction,
+    TransactionOrigin, TransactionValidationOutcome, TransactionValidator,
 };
 use async_trait::async_trait;
 pub use mock::*;
 use std::{marker::PhantomData, sync::Arc};
 
 /// A [Pool] used for testing
-pub type TestPool = Pool<MockTransactionValidator<MockTransaction>, MockOrdering>;
+pub type TestPool =
+    Pool<MockTransactionValidator<MockTransaction>, MockOrdering, InMemoryBlobStore>;
 
 /// Returns a new [Pool] used for testing purposes
 pub fn testing_pool() -> TestPool {
@@ -23,5 +24,5 @@ pub fn testing_pool() -> TestPool {
 pub fn testing_pool_with_validator(
     validator: MockTransactionValidator<MockTransaction>,
 ) -> TestPool {
-    Pool::new(validator, MockOrdering::default(), Default::default())
+    Pool::new(validator, MockOrdering::default(), InMemoryBlobStore::default(), Default::default())
 }

examples/network-txpool.rs

@@ -10,8 +10,9 @@
 use reth_network::{config::rng_secret_key, NetworkConfig, NetworkManager};
 use reth_provider::test_utils::NoopProvider;
 use reth_transaction_pool::{
-    validate::ValidTransaction, CoinbaseTipOrdering, EthPooledTransaction, PoolTransaction,
-    TransactionOrigin, TransactionPool, TransactionValidationOutcome, TransactionValidator,
+    blobstore::InMemoryBlobStore, validate::ValidTransaction, CoinbaseTipOrdering,
+    EthPooledTransaction, PoolTransaction, TransactionOrigin, TransactionPool,
+    TransactionValidationOutcome, TransactionValidator,
 };
 
 #[tokio::main]
@@ -25,6 +26,7 @@ async fn main() -> eyre::Result<()> {
     let pool = reth_transaction_pool::Pool::new(
         OkValidator::default(),
         CoinbaseTipOrdering::default(),
+        InMemoryBlobStore::default(),
         Default::default(),
     );