storage: fix block heights used in read, write and delete

shared/src/ledger/storage/mod.rs

@@ -409,7 +409,7 @@ where
         key: &Key,
         height: BlockHeight,
     ) -> Result<(Option<Vec<u8>>, u64)> {
-        if height >= self.get_block_height().0 {
+        if height >= self.last_height {
             self.read(key)
         } else {
             match self.db.read_subspace_val_with_height(key, height)? {
@@ -455,7 +455,7 @@ where
         let len = value.len();
         let gas = key.len() + len;
         let size_diff =
-            self.db.write_subspace_val(self.last_height, key, value)?;
+            self.db.write_subspace_val(self.block.height, key, value)?;
         Ok((gas as _, size_diff))
     }
 
@@ -468,7 +468,7 @@ where
         if self.has_key(key)?.0 {
             self.block.tree.delete(key)?;
             deleted_bytes_len =
-                self.db.delete_subspace_val(self.last_height, key)?;
+                self.db.delete_subspace_val(self.block.height, key)?;
         }
         let gas = key.len() + deleted_bytes_len as usize;
         Ok((gas as _, deleted_bytes_len))