chore(trie): rename in-memory trie cursors (#9203)

crates/trie/trie/src/trie.rs

@@ -549,7 +549,7 @@ mod tests {
         hashed_cursor::HashedPostStateCursorFactory,
         prefix_set::PrefixSetMut,
         test_utils::{state_root, state_root_prehashed, storage_root, storage_root_prehashed},
-        trie_cursor::TrieUpdatesCursorFactory,
+        trie_cursor::InMemoryTrieCursorFactory,
         BranchNodeCompact, HashedPostState, HashedStorage, TrieMask,
     };
     use proptest::{prelude::ProptestConfig, proptest};
@@ -1488,7 +1488,7 @@ mod tests {
                 tx,
                 &post_state.clone().into_sorted(),
             ))
-            .with_trie_cursor_factory(TrieUpdatesCursorFactory::new(tx, &update.sorted()))
+            .with_trie_cursor_factory(InMemoryTrieCursorFactory::new(tx, &update.sorted()))
             .with_prefix_set(prefix_sets.storage_prefix_sets.remove(&keccak256(address)).unwrap())
             .root_with_updates()
             .unwrap();

crates/trie/trie/src/trie_cursor/update.rs → crates/trie/trie/src/trie_cursor/in_memory.rs

@@ -6,52 +6,52 @@ use reth_trie_common::{BranchNodeCompact, Nibbles};
 
 /// The trie cursor factory for the trie updates.
 #[derive(Debug, Clone)]
-pub struct TrieUpdatesCursorFactory<'a, CF> {
+pub struct InMemoryTrieCursorFactory<'a, CF> {
     cursor_factory: CF,
     trie_updates: &'a TrieUpdatesSorted,
 }
 
-impl<'a, CF> TrieUpdatesCursorFactory<'a, CF> {
+impl<'a, CF> InMemoryTrieCursorFactory<'a, CF> {
     /// Create a new trie cursor factory.
     pub const fn new(cursor_factory: CF, trie_updates: &'a TrieUpdatesSorted) -> Self {
         Self { cursor_factory, trie_updates }
     }
 }
 
-impl<'a, CF: TrieCursorFactory> TrieCursorFactory for TrieUpdatesCursorFactory<'a, CF> {
-    type AccountTrieCursor = TrieUpdatesAccountTrieCursor<'a, CF::AccountTrieCursor>;
-    type StorageTrieCursor = TrieUpdatesStorageTrieCursor<'a, CF::StorageTrieCursor>;
+impl<'a, CF: TrieCursorFactory> TrieCursorFactory for InMemoryTrieCursorFactory<'a, CF> {
+    type AccountTrieCursor = InMemoryAccountTrieCursor<'a, CF::AccountTrieCursor>;
+    type StorageTrieCursor = InMemoryStorageTrieCursor<'a, CF::StorageTrieCursor>;
 
     fn account_trie_cursor(&self) -> Result<Self::AccountTrieCursor, DatabaseError> {
         let cursor = self.cursor_factory.account_trie_cursor()?;
-        Ok(TrieUpdatesAccountTrieCursor::new(cursor, self.trie_updates))
+        Ok(InMemoryAccountTrieCursor::new(cursor, self.trie_updates))
     }
 
     fn storage_trie_cursor(
         &self,
         hashed_address: B256,
     ) -> Result<Self::StorageTrieCursor, DatabaseError> {
         let cursor = self.cursor_factory.storage_trie_cursor(hashed_address)?;
-        Ok(TrieUpdatesStorageTrieCursor::new(cursor, hashed_address, self.trie_updates))
+        Ok(InMemoryStorageTrieCursor::new(cursor, hashed_address, self.trie_updates))
     }
 }
 
 /// The cursor to iterate over account trie updates and corresponding database entries.
 /// It will always give precedence to the data from the trie updates.
 #[derive(Debug)]
-pub struct TrieUpdatesAccountTrieCursor<'a, C> {
+pub struct InMemoryAccountTrieCursor<'a, C> {
     cursor: C,
     trie_updates: &'a TrieUpdatesSorted,
     last_key: Option<TrieKey>,
 }
 
-impl<'a, C> TrieUpdatesAccountTrieCursor<'a, C> {
+impl<'a, C> InMemoryAccountTrieCursor<'a, C> {
     const fn new(cursor: C, trie_updates: &'a TrieUpdatesSorted) -> Self {
         Self { cursor, trie_updates, last_key: None }
     }
 }
 
-impl<'a, C: TrieCursor> TrieCursor for TrieUpdatesAccountTrieCursor<'a, C> {
+impl<'a, C: TrieCursor> TrieCursor for InMemoryAccountTrieCursor<'a, C> {
     fn seek_exact(
         &mut self,
         key: Nibbles,
@@ -109,21 +109,21 @@ impl<'a, C: TrieCursor> TrieCursor for TrieUpdatesAccountTrieCursor<'a, C> {
 /// The cursor to iterate over storage trie updates and corresponding database entries.
 /// It will always give precedence to the data from the trie updates.
 #[derive(Debug)]
-pub struct TrieUpdatesStorageTrieCursor<'a, C> {
+pub struct InMemoryStorageTrieCursor<'a, C> {
     cursor: C,
     trie_update_index: usize,
     trie_updates: &'a TrieUpdatesSorted,
     hashed_address: B256,
     last_key: Option<TrieKey>,
 }
 
-impl<'a, C> TrieUpdatesStorageTrieCursor<'a, C> {
+impl<'a, C> InMemoryStorageTrieCursor<'a, C> {
     const fn new(cursor: C, hashed_address: B256, trie_updates: &'a TrieUpdatesSorted) -> Self {
         Self { cursor, trie_updates, trie_update_index: 0, hashed_address, last_key: None }
     }
 }
 
-impl<'a, C: TrieCursor> TrieCursor for TrieUpdatesStorageTrieCursor<'a, C> {
+impl<'a, C: TrieCursor> TrieCursor for InMemoryStorageTrieCursor<'a, C> {
     fn seek_exact(
         &mut self,
         key: Nibbles,

crates/trie/trie/src/trie_cursor/mod.rs

@@ -1,17 +1,23 @@
 use crate::{updates::TrieKey, BranchNodeCompact, Nibbles};
 use reth_db::DatabaseError;
 use reth_primitives::B256;
+
+/// Database implementations of trie cursors.
 mod database_cursors;
+
+/// In-memory implementations of trie cursors.
+mod in_memory;
+
+/// Cursor for iterating over a subtrie.
 mod subnode;
-mod update;
 
 /// Noop trie cursor implementations.
 pub mod noop;
 
 pub use self::{
     database_cursors::{DatabaseAccountTrieCursor, DatabaseStorageTrieCursor},
+    in_memory::*,
     subnode::CursorSubNode,
-    update::*,
 };
 
 /// Factory for creating trie cursors.