chore: rm unused databasemetadata trait (#14003)

crates/node/api/src/node.rs

@@ -2,10 +2,7 @@
 
 use alloy_rpc_types_engine::JwtSecret;
 use reth_consensus::{ConsensusError, FullConsensus};
-use reth_db_api::{
-    database_metrics::{DatabaseMetadata, DatabaseMetrics},
-    Database,
-};
+use reth_db_api::{database_metrics::DatabaseMetrics, Database};
 use reth_engine_primitives::BeaconConsensusEngineHandle;
 use reth_evm::{execute::BlockExecutorProvider, ConfigureEvmFor};
 use reth_network_api::FullNetwork;
@@ -25,7 +22,7 @@ pub trait FullNodeTypes: Send + Sync + Unpin + 'static {
     /// Node's types with the database.
     type Types: NodeTypesWithEngine;
     /// Underlying database type used by the node to store and retrieve data.
-    type DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static;
+    type DB: Database + DatabaseMetrics + Clone + Unpin + 'static;
     /// The provider type used to interact with the node.
     type Provider: FullProvider<NodeTypesWithDBAdapter<Self::Types, Self::DB>>;
 }
@@ -37,7 +34,7 @@ pub struct FullNodeTypesAdapter<Types, DB, Provider>(PhantomData<(Types, DB, Pro
 impl<Types, DB, Provider> FullNodeTypes for FullNodeTypesAdapter<Types, DB, Provider>
 where
     Types: NodeTypesWithEngine,
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
     Provider: FullProvider<NodeTypesWithDBAdapter<Types, DB>>,
 {
     type Types = Types;

crates/node/builder/src/builder/mod.rs

@@ -13,10 +13,7 @@ use alloy_eips::eip4844::env_settings::EnvKzgSettings;
 use futures::Future;
 use reth_chainspec::{EthChainSpec, EthereumHardforks, Hardforks};
 use reth_cli_util::get_secret_key;
-use reth_db_api::{
-    database::Database,
-    database_metrics::{DatabaseMetadata, DatabaseMetrics},
-};
+use reth_db_api::{database::Database, database_metrics::DatabaseMetrics};
 use reth_engine_tree::tree::TreeConfig;
 use reth_exex::ExExContext;
 use reth_network::{
@@ -236,7 +233,7 @@ impl<DB, ChainSpec: EthChainSpec> NodeBuilder<DB, ChainSpec> {
 
 impl<DB, ChainSpec> NodeBuilder<DB, ChainSpec>
 where
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
     ChainSpec: EthChainSpec + EthereumHardforks,
 {
     /// Configures the types of the node.
@@ -297,7 +294,7 @@ impl<DB, ChainSpec> WithLaunchContext<NodeBuilder<DB, ChainSpec>> {
 
 impl<DB, ChainSpec> WithLaunchContext<NodeBuilder<DB, ChainSpec>>
 where
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
     ChainSpec: EthChainSpec + EthereumHardforks,
 {
     /// Configures the types of the node.
@@ -548,7 +545,7 @@ where
 
 impl<T, DB, CB, AO> WithLaunchContext<NodeBuilderWithComponents<RethFullAdapter<DB, T>, CB, AO>>
 where
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
     T: NodeTypesWithEngine + NodeTypesForProvider,
     CB: NodeComponentsBuilder<RethFullAdapter<DB, T>>,
     AO: RethRpcAddOns<NodeAdapter<RethFullAdapter<DB, T>, CB::Components>>,

crates/node/builder/src/launch/common.rs

@@ -13,10 +13,7 @@ use rayon::ThreadPoolBuilder;
 use reth_chainspec::{Chain, EthChainSpec, EthereumHardforks};
 use reth_config::{config::EtlConfig, PruneConfig};
 use reth_consensus::noop::NoopConsensus;
-use reth_db_api::{
-    database::Database,
-    database_metrics::{DatabaseMetadata, DatabaseMetrics},
-};
+use reth_db_api::{database::Database, database_metrics::DatabaseMetrics};
 use reth_db_common::init::{init_genesis, InitStorageError};
 use reth_downloaders::{bodies::noop::NoopBodiesDownloader, headers::noop::NoopHeaderDownloader};
 use reth_engine_local::MiningMode;
@@ -572,7 +569,7 @@ impl<N, DB>
     >
 where
     N: NodeTypes,
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
 {
     /// Returns the configured `ProviderFactory`.
     const fn provider_factory(&self) -> &ProviderFactory<NodeTypesWithDBAdapter<N, DB>> {

crates/node/builder/src/launch/engine.rs

@@ -4,10 +4,7 @@ use alloy_consensus::BlockHeader;
 use futures::{future::Either, stream, stream_select, StreamExt};
 use reth_chainspec::EthChainSpec;
 use reth_consensus_debug_client::{DebugConsensusClient, EtherscanBlockProvider};
-use reth_db_api::{
-    database_metrics::{DatabaseMetadata, DatabaseMetrics},
-    Database,
-};
+use reth_db_api::{database_metrics::DatabaseMetrics, Database};
 use reth_engine_local::{LocalEngineService, LocalPayloadAttributesBuilder};
 use reth_engine_service::service::{ChainEvent, EngineService};
 use reth_engine_tree::{
@@ -71,7 +68,7 @@ impl EngineNodeLauncher {
 impl<Types, DB, T, CB, AO> LaunchNode<NodeBuilderWithComponents<T, CB, AO>> for EngineNodeLauncher
 where
     Types: NodeTypesForProvider + NodeTypesWithEngine,
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
     T: FullNodeTypes<
         Types = Types,
         DB = DB,

crates/node/types/src/lib.rs

@@ -15,10 +15,7 @@ pub use reth_primitives_traits::{
 };
 
 use reth_chainspec::EthChainSpec;
-use reth_db_api::{
-    database_metrics::{DatabaseMetadata, DatabaseMetrics},
-    Database,
-};
+use reth_db_api::{database_metrics::DatabaseMetrics, Database};
 use reth_engine_primitives::EngineTypes;
 use reth_payload_primitives::BuiltPayload;
 use reth_trie_db::StateCommitment;
@@ -51,7 +48,7 @@ pub trait NodeTypesWithEngine: NodeTypes {
 /// Its types are configured by node internally and are not intended to be user configurable.
 pub trait NodeTypesWithDB: NodeTypes {
     /// Underlying database type used by the node to store and retrieve data.
-    type DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static;
+    type DB: Database + DatabaseMetrics + Clone + Unpin + 'static;
 }
 
 /// An adapter type combining [`NodeTypes`] and db into [`NodeTypesWithDB`].
@@ -102,7 +99,7 @@ where
 impl<Types, DB> NodeTypesWithDB for NodeTypesWithDBAdapter<Types, DB>
 where
     Types: NodeTypes,
-    DB: Database + DatabaseMetrics + DatabaseMetadata + Clone + Unpin + 'static,
+    DB: Database + DatabaseMetrics + Clone + Unpin + 'static,
 {
     type DB = DB;
 }

crates/storage/db-api/src/database_metrics.rs

@@ -40,35 +40,3 @@ impl<DB: DatabaseMetrics> DatabaseMetrics for Arc<DB> {
         <DB as DatabaseMetrics>::report_metrics(self)
     }
 }
-
-/// The type used to store metadata about the database.
-#[derive(Debug, Default)]
-pub struct DatabaseMetadataValue {
-    /// The freelist size
-    freelist_size: Option<usize>,
-}
-
-impl DatabaseMetadataValue {
-    /// Creates a new [`DatabaseMetadataValue`] with the given freelist size.
-    pub const fn new(freelist_size: Option<usize>) -> Self {
-        Self { freelist_size }
-    }
-
-    /// Returns the freelist size, if available.
-    pub const fn freelist_size(&self) -> Option<usize> {
-        self.freelist_size
-    }
-}
-
-/// Includes a method to return a [`DatabaseMetadataValue`] type, which can be used to dynamically
-/// retrieve information about the database.
-pub trait DatabaseMetadata {
-    /// Returns a metadata type, [`DatabaseMetadataValue`] for the database.
-    fn metadata(&self) -> DatabaseMetadataValue;
-}
-
-impl<DB: DatabaseMetadata> DatabaseMetadata for Arc<DB> {
-    fn metadata(&self) -> DatabaseMetadataValue {
-        <DB as DatabaseMetadata>::metadata(self)
-    }
-}

crates/storage/db/src/implementation/mdbx/mod.rs

@@ -12,7 +12,7 @@ use metrics::{gauge, Label};
 use reth_db_api::{
     cursor::{DbCursorRO, DbCursorRW},
     database::Database,
-    database_metrics::{DatabaseMetadata, DatabaseMetadataValue, DatabaseMetrics},
+    database_metrics::DatabaseMetrics,
     models::ClientVersion,
     transaction::{DbTx, DbTxMut},
 };
@@ -276,12 +276,6 @@ impl DatabaseMetrics for DatabaseEnv {
     }
 }
 
-impl DatabaseMetadata for DatabaseEnv {
-    fn metadata(&self) -> DatabaseMetadataValue {
-        DatabaseMetadataValue::new(self.freelist().ok())
-    }
-}
-
 impl DatabaseEnv {
     /// Opens the database at the specified path with the given `EnvKind`.
     ///

crates/storage/db/src/lib.rs

@@ -46,9 +46,7 @@ pub mod test_utils {
     use crate::mdbx::DatabaseArguments;
     use parking_lot::RwLock;
     use reth_db_api::{
-        database::Database,
-        database_metrics::{DatabaseMetadata, DatabaseMetadataValue, DatabaseMetrics},
-        models::ClientVersion,
+        database::Database, database_metrics::DatabaseMetrics, models::ClientVersion,
     };
     use reth_fs_util;
     use reth_libmdbx::MaxReadTransactionDuration;
@@ -155,12 +153,6 @@ pub mod test_utils {
         }
     }
 
-    impl<DB: DatabaseMetadata> DatabaseMetadata for TempDatabase<DB> {
-        fn metadata(&self) -> DatabaseMetadataValue {
-            self.db().metadata()
-        }
-    }
-
     /// Create `static_files` path for testing
     #[track_caller]
     pub fn create_test_static_files_dir() -> (TempDir, PathBuf) {