Rename clone_with_root_key (#4036)

## Motivation

It was raised that the naming of this function is a bit misleading

## Proposal

Attempt a better name

## Test Plan

CI

## Release Plan

- Nothing to do / These changes follow the usual release cycle.

Author: ndr-ds

linera-indexer/lib/src/indexer.rs

@@ -65,7 +65,7 @@ where
     pub async fn load(store: S) -> Result<Self, IndexerError> {
         let root_key = "indexer".as_bytes().to_vec();
         let store = store
-            .clone_with_root_key(&root_key)
+            .open_exclusive(&root_key)
             .map_err(|_e| IndexerError::CloneWithRootKeyError)?;
         let context = ViewContext::create_root_context(store, ())
             .await

linera-indexer/lib/src/plugin.rs

@@ -73,7 +73,7 @@ where
 {
     let root_key = name.as_bytes().to_vec();
     let store = store
-        .clone_with_root_key(&root_key)
+        .open_exclusive(&root_key)
         .map_err(|_e| IndexerError::CloneWithRootKeyError)?;
     let context = ViewContext::create_root_context(store, ())
         .await

linera-storage-service/src/client.rs

@@ -438,7 +438,7 @@ impl AdminKeyValueStore for ServiceStoreClientInternal {
         })
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, ServiceStoreError> {
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, ServiceStoreError> {
         let channel = self.channel.clone();
         let prefix_len = self.prefix_len;
         let semaphore = self.semaphore.clone();

linera-storage/src/db_storage.rs

@@ -554,7 +554,7 @@ where
             user_services: self.user_services.clone(),
         };
         let root_key = bcs::to_bytes(&BaseKey::ChainState(chain_id))?;
-        let store = self.store.clone_with_root_key(&root_key)?;
+        let store = self.store.open_exclusive(&root_key)?;
         let context = ViewContext::create_root_context(store, runtime_context).await?;
         ChainStateView::load(context).await
     }
@@ -946,7 +946,7 @@ where
         block_exporter_id: u32,
     ) -> Result<Self::BlockExporterContext, ViewError> {
         let root_key = bcs::to_bytes(&BaseKey::BlockExporterState(block_exporter_id))?;
-        let store = self.store.clone_with_root_key(&root_key)?;
+        let store = self.store.open_exclusive(&root_key)?;
         Ok(ViewContext::create_root_context(store, block_exporter_id).await?)
     }
 }

linera-views/src/backends/dual.rs

@@ -260,14 +260,14 @@ where
         })
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
         let first_store = self
             .first_store
-            .clone_with_root_key(root_key)
+            .open_exclusive(root_key)
             .map_err(DualStoreError::First)?;
         let second_store = self
             .second_store
-            .clone_with_root_key(root_key)
+            .open_exclusive(root_key)
             .map_err(DualStoreError::Second)?;
         let store_in_use = A::assigned_store(root_key)?;
         Ok(Self {

linera-views/src/backends/dynamo_db.rs

@@ -368,7 +368,7 @@ impl AdminKeyValueStore for DynamoDbStoreInternal {
         Ok(store)
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, DynamoDbStoreInternalError> {
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, DynamoDbStoreInternalError> {
         let client = self.client.clone();
         let namespace = self.namespace.clone();
         let semaphore = self.semaphore.clone();

linera-views/src/backends/indexed_db.rs

@@ -279,7 +279,7 @@ impl AdminKeyValueStore for IndexedDbStore {
         Self::connect_internal(config, namespace, start_key).await
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, IndexedDbStoreError> {
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, IndexedDbStoreError> {
         let database = self.database.clone();
         let object_store_name = self.object_store_name.clone();
         let max_stream_queries = self.max_stream_queries;

linera-views/src/backends/journaling.rs

@@ -194,8 +194,8 @@ where
         })
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
-        let store = self.store.clone_with_root_key(root_key)?;
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
+        let store = self.store.open_exclusive(root_key)?;
         Ok(Self {
             store,
             has_exclusive_access: true,

linera-views/src/backends/lru_caching.rs

@@ -487,8 +487,8 @@ where
         ))
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
-        let store = self.store.clone_with_root_key(root_key)?;
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, Self::Error> {
+        let store = self.store.open_exclusive(root_key)?;
         let store = LruCachingStore::new(store, self.storage_cache_config());
         store.enable_exclusive_access();
         Ok(store)

linera-views/src/backends/memory.rs

@@ -321,7 +321,7 @@ impl AdminKeyValueStore for MemoryStore {
         memory_stores.sync_connect(config, namespace, &[], kill_on_drop)
     }
 
-    fn clone_with_root_key(&self, root_key: &[u8]) -> Result<Self, MemoryStoreError> {
+    fn open_exclusive(&self, root_key: &[u8]) -> Result<Self, MemoryStoreError> {
         let max_stream_queries = self.max_stream_queries;
         let common_config = CommonStoreInternalConfig {
             max_concurrent_queries: None,