feat: remove LegacyHistory store version (#1674)

Author: morph-dev

crates/storage/src/versioned/id_indexed_v1/migration.rs

@@ -1,5 +1,4 @@
 mod config;
-mod migration;
 mod pruning_strategy;
 pub(super) mod sql;
 mod store;

crates/storage/src/versioned/id_indexed_v1/mod.rs

@@ -7,10 +7,7 @@ use rusqlite::{named_params, types::Type, OptionalExtension};
 use tracing::{debug, error, warn};
 use trin_metrics::storage::StorageMetricsReporter;
 
-use super::{
-    migration::migrate_legacy_history_store, pruning_strategy::PruningStrategy, sql,
-    IdIndexedV1StoreConfig,
-};
+use super::{pruning_strategy::PruningStrategy, sql, IdIndexedV1StoreConfig};
 use crate::{
     error::ContentStoreError,
     utils::get_total_size_of_directory_in_bytes,
@@ -63,13 +60,10 @@ impl<TContentKey: OverlayContentKey> VersionedContentStore for IdIndexedV1Store<
     }
 
     fn migrate_from(
-        content_type: &ContentType,
+        _content_type: &ContentType,
         old_version: StoreVersion,
-        config: &Self::Config,
+        _config: &Self::Config,
     ) -> Result<(), ContentStoreError> {
-        if content_type == &ContentType::History && old_version == StoreVersion::LegacyHistory {
-            return migrate_legacy_history_store(config);
-        }
         Err(ContentStoreError::UnsupportedStoreMigration {
             old_version,
             new_version: Self::version(),

crates/storage/src/versioned/id_indexed_v1/store.rs

@@ -32,12 +32,13 @@ pub enum ContentType {
 #[derive(Clone, Debug, Display, Eq, PartialEq, EnumString, AsRefStr)]
 #[strum(serialize_all = "snake_case")]
 pub enum StoreVersion {
+    /// The mock content store that can be used for tests. Implementation:
+    /// [utils::MockContentStore].
+    MockContentStore,
     /// The store designed for content-id, content-key and content-value objects.
     /// The content from different subnetwork (expressed with `ContentType`)
-    /// uses different table. NOTE: implementation is in progress.
+    /// uses different table. Implementation: [IdIndexedV1Store].
     IdIndexedV1,
-    /// The original SQLite version of the history storage store.
-    LegacyHistory,
 }
 
 impl FromSql for StoreVersion {