feat: add transaction_hash_numbers_in_rocksdb field to StorageSettings

crates/cli/commands/src/db/settings.rs

@@ -92,6 +92,7 @@ impl Command {
             receipts_in_static_files: _,
             transaction_senders_in_static_files: _,
             storages_history_in_rocksdb: _,
+            transaction_hash_numbers_in_rocksdb: _,
         } = settings.unwrap_or_else(StorageSettings::legacy);
 
         // Update the setting based on the key

crates/storage/db-api/src/models/metadata.rs

@@ -22,6 +22,9 @@ pub struct StorageSettings {
     /// Whether `StoragesHistory` is stored in `RocksDB`.
     #[serde(default)]
     pub storages_history_in_rocksdb: bool,
+    /// Whether `TransactionHashNumbers` is stored in `RocksDB`.
+    #[serde(default)]
+    pub transaction_hash_numbers_in_rocksdb: bool,
 }
 
 impl StorageSettings {
@@ -35,6 +38,7 @@ impl StorageSettings {
             receipts_in_static_files: false,
             transaction_senders_in_static_files: false,
             storages_history_in_rocksdb: false,
+            transaction_hash_numbers_in_rocksdb: false,
         }
     }
 
@@ -55,4 +59,10 @@ impl StorageSettings {
         self.storages_history_in_rocksdb = value;
         self
     }
+
+    /// Sets the `transaction_hash_numbers_in_rocksdb` flag to the provided value.
+    pub const fn with_transaction_hash_numbers_in_rocksdb(mut self, value: bool) -> Self {
+        self.transaction_hash_numbers_in_rocksdb = value;
+        self
+    }
 }

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

@@ -361,6 +361,20 @@ where
             .collect()
     }
 
+    /// Returns only the first `max` hashes of transactions in the pool that can be propagated.
+    pub fn pooled_transactions_hashes_max(&self, max: usize) -> Vec<TxHash> {
+        if max == 0 {
+            return Vec::new();
+        }
+        self.get_pool_data()
+            .all()
+            .transactions_iter()
+            .filter(|tx| tx.propagate)
+            .take(max)
+            .map(|tx| *tx.hash())
+            .collect()
+    }
+
     /// Converts the internally tracked transaction to the pooled format.
     ///
     /// If the transaction is an EIP-4844 transaction, the blob sidecar is fetched from the blob