diff --git a/rust-toolchain.yaml b/rust-toolchain.yaml
new file mode 100644
index 00000000..bc962f33
--- /dev/null
+++ b/rust-toolchain.yaml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2023-07-23"
+components = ["rustfmt", "clippy"]
\ No newline at end of file
diff --git a/src/node/in_memory.rs b/src/node/in_memory.rs
index 874fe16f..6e7d170d 100644
--- a/src/node/in_memory.rs
+++ b/src/node/in_memory.rs
@@ -1253,7 +1253,7 @@ impl<S: ForkSource + std::fmt::Debug + Clone> InMemoryNode<S> {
     }
 
     /// Executes the given L2 transaction and returns all the VM logs.
-    fn run_l2_tx_inner(
+    pub fn run_l2_tx_inner(
         &self,
         l2_tx: L2Tx,
         execution_mode: TxExecutionMode,