feat(tree): introduce executed_block_by_hash

crates/engine/tree/src/tree/mod.rs

@@ -106,6 +106,11 @@ impl TreeState {
         self.blocks_by_hash.len()
     }
 
+    /// Returns the [`ExecutedBlock`] by hash.
+    fn executed_block_by_hash(&self, hash: B256) -> Option<&ExecutedBlock> {
+        self.blocks_by_hash.get(&hash)
+    }
+
     /// Returns the block by hash.
     fn block_by_hash(&self, hash: B256) -> Option<Arc<SealedBlock>> {
         self.blocks_by_hash.get(&hash).map(|b| b.block.clone())
@@ -1363,6 +1368,25 @@ where
             .remove_persisted_blocks(self.persistence_state.last_persisted_block_number);
     }
 
+    /// Return an [`ExecutedBlock`] from database or in-memory state by hash.
+    fn executed_block_by_hash(&self, hash: B256) -> ProviderResult<Option<ExecutedBlock>> {
+        // check memory first
+        let block = self
+            .state
+            .tree_state
+            .executed_block_by_hash(hash)
+            // TODO: clone for compatibility. should we return an Arc here?
+            .cloned();
+
+        if block.is_some() {
+            Ok(block)
+        } else if let Some(_block_num) = self.provider.block_number(hash)? {
+            unimplemented!("fetching on-disk executed blocks is not supported yet")
+        } else {
+            Ok(None)
+        }
+    }
+
     /// Return sealed block from database or in-memory state by hash.
     fn sealed_header_by_hash(&self, hash: B256) -> ProviderResult<Option<SealedHeader>> {
         // check memory first
@@ -1731,7 +1755,7 @@ where
     ///
     /// This is invoked on a valid forkchoice update, or if we can make the target block canonical.
     fn on_canonical_chain_update(&mut self, chain_update: NewCanonicalChain) {
-        trace!(target: "engine", new_blocks = %chain_update.new_block_count(), reorged_blocks =  %chain_update.reorged_block_count() ,"applying new chain update");
+        trace!(target: "engine", new_blocks = %chain_update.new_block_count(), reorged_blocks =  %chain_update.reorged_block_count(), "applying new chain update");
         let start = Instant::now();
 
         // update the tracked canonical head