config cache from cli (#6767)

book/cli/reth/node.md

@@ -344,10 +344,15 @@ TxPool:
           [default: 100]
 
       --txpool.max_tx_input_bytes <MAX_TX_INPUT_BYTES>
-        Maximum size a single transaction can have
+          Maximum size a single transaction can have
 
           [default: 131072]
 
+      --txpool.max_cached_entries <MAX_CACHED_ENTRIES>
+          The maximum number of blobs to keep in the in memory blob cache
+
+          [default: 100]
+
       --txpool.nolocals
           Flag to disable local transaction exemptions
 

crates/node-core/src/args/txpool_args.rs

@@ -4,8 +4,9 @@ use crate::cli::config::RethTransactionPoolConfig;
 use clap::Args;
 use reth_primitives::Address;
 use reth_transaction_pool::{
-    validate::DEFAULT_MAX_TX_INPUT_BYTES, LocalTransactionConfig, PoolConfig, PriceBumpConfig,
-    SubPoolLimit, DEFAULT_PRICE_BUMP, REPLACE_BLOB_PRICE_BUMP, TXPOOL_MAX_ACCOUNT_SLOTS_PER_SENDER,
+    blobstore::disk::DEFAULT_MAX_CACHED_BLOBS, validate::DEFAULT_MAX_TX_INPUT_BYTES,
+    LocalTransactionConfig, PoolConfig, PriceBumpConfig, SubPoolLimit, DEFAULT_PRICE_BUMP,
+    REPLACE_BLOB_PRICE_BUMP, TXPOOL_MAX_ACCOUNT_SLOTS_PER_SENDER,
     TXPOOL_SUBPOOL_MAX_SIZE_MB_DEFAULT, TXPOOL_SUBPOOL_MAX_TXS_DEFAULT,
 };
 /// Parameters for debugging purposes
@@ -49,6 +50,10 @@ pub struct TxPoolArgs {
     #[arg(long = "txpool.max_tx_input_bytes", default_value_t = DEFAULT_MAX_TX_INPUT_BYTES)]
     pub max_tx_input_bytes: usize,
 
+    /// The maximum number of blobs to keep in the in memory blob cache.
+    #[arg(long = "txpool.max_cached_entries", default_value_t = DEFAULT_MAX_CACHED_BLOBS)]
+    pub max_cached_entries: u32,
+
     /// Flag to disable local transaction exemptions.
     #[arg(long = "txpool.nolocals")]
     pub no_locals: bool,
@@ -73,6 +78,7 @@ impl Default for TxPoolArgs {
             price_bump: DEFAULT_PRICE_BUMP,
             blob_transaction_price_bump: REPLACE_BLOB_PRICE_BUMP,
             max_tx_input_bytes: DEFAULT_MAX_TX_INPUT_BYTES,
+            max_cached_entries: DEFAULT_MAX_CACHED_BLOBS,
             no_locals: false,
             locals: Default::default(),
             no_local_transactions_propagation: false,

crates/node-core/src/node_config.rs

@@ -63,8 +63,8 @@ use reth_stages::{
 };
 use reth_tasks::TaskExecutor;
 use reth_transaction_pool::{
-    blobstore::DiskFileBlobStore, EthTransactionPool, TransactionPool,
-    TransactionValidationTaskExecutor,
+    blobstore::{DiskFileBlobStore, DiskFileBlobStoreConfig},
+    EthTransactionPool, TransactionPool, TransactionValidationTaskExecutor,
 };
 use revm_inspectors::stack::Hook;
 use secp256k1::SecretKey;
@@ -467,7 +467,11 @@ impl NodeConfig {
             + Clone
             + 'static,
     {
-        let blob_store = DiskFileBlobStore::open(data_dir.blobstore_path(), Default::default())?;
+        let blob_store = DiskFileBlobStore::open(
+            data_dir.blobstore_path(),
+            DiskFileBlobStoreConfig::default()
+                .with_max_cached_entries(self.txpool.max_cached_entries),
+        )?;
         let validator = TransactionValidationTaskExecutor::eth_builder(Arc::clone(&self.chain))
             .with_head_timestamp(head.timestamp)
             .kzg_settings(self.kzg_settings()?)

crates/transaction-pool/src/blobstore/disk.rs

@@ -400,6 +400,14 @@ impl Default for DiskFileBlobStoreConfig {
     }
 }
 
+impl DiskFileBlobStoreConfig {
+    /// Set maximum number of blobs to keep in the in memory blob cache.
+    pub const fn with_max_cached_entries(mut self, max_cached_entries: u32) -> Self {
+        self.max_cached_entries = max_cached_entries;
+        self
+    }
+}
+
 /// How to open a disk file blob store.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
 pub enum OpenDiskFileBlobStore {