Store blobs in separate freezer or historical state freezer

beacon_node/src/cli.rs

@@ -28,6 +28,13 @@ pub fn cli_app<'a, 'b>() -> App<'a, 'b> {
                 .help("Data directory for the freezer database.")
                 .takes_value(true)
         )
+        .arg(
+            Arg::with_name("blobs-freezer-dir")
+                .long("blobs-freezer-dir")
+                .value_name("DIR")
+                .help("Data directory for the blobs freezer database.")
+                .takes_value(true)
+        )
         /*
          * Network parameters.
          */

beacon_node/src/config.rs

@@ -390,6 +390,10 @@ pub fn get_config<E: EthSpec>(
         client_config.freezer_db_path = Some(PathBuf::from(freezer_dir));
     }
 
+    if let Some(blobs_freezer_dir) = cli_args.value_of("blobs-freezer-dir") {
+        client_config.blobs_freezer_db_path = Some(PathBuf::from(blobs_freezer_dir));
+    }
+
     let (sprp, sprp_explicit) = get_slots_per_restore_point::<E>(cli_args)?;
     client_config.store.slots_per_restore_point = sprp;
     client_config.store.slots_per_restore_point_set_explicitly = sprp_explicit;

beacon_node/src/lib.rs

@@ -64,6 +64,12 @@ impl<E: EthSpec> ProductionBeaconNode<E> {
         let _datadir = client_config.create_data_dir()?;
         let db_path = client_config.create_db_path()?;
         let freezer_db_path = client_config.create_freezer_db_path()?;
+        let blobs_freezer_db_path =
+            if let Some(path) = client_config.create_blobs_freezer_db_path()? {
+                Some(*path.as_path().clone())
+            } else {
+                None
+            };
         let executor = context.executor.clone();
 
         if let Some(legacy_dir) = client_config.get_existing_legacy_data_dir() {
@@ -84,7 +90,13 @@ impl<E: EthSpec> ProductionBeaconNode<E> {
             .runtime_context(context)
             .chain_spec(spec)
             .http_api_config(client_config.http_api.clone())
-            .disk_store(&db_path, &freezer_db_path, store_config, log.clone())?;
+            .disk_store(
+                &db_path,
+                &freezer_db_path,
+                blobs_freezer_db_path,
+                store_config,
+                log.clone(),
+            )?;
 
         let builder = if let Some(slasher_config) = client_config.slasher.clone() {
             let slasher = Arc::new(