add auditwall.py

Author: KRRT7

codeflash/verification/codeflash_auditwall.py

@@ -0,0 +1,26 @@
+import ast
+
+
+class AuditWallTransformer(ast.NodeTransformer):
+    def visit_Module(self, node):
+        last_import_index = -1
+        for i, body_node in enumerate(node.body):
+            if isinstance(body_node, (ast.Import, ast.ImportFrom)):
+                last_import_index = i
+
+        new_import = ast.ImportFrom(module="crosshair.auditwall", names=[ast.alias(name="engage_auditwall")], level=0)
+        function_call = ast.Expr(
+            value=ast.Call(func=ast.Name(id="engage_auditwall", ctx=ast.Load()), args=[], keywords=[])
+        )
+
+        node.body.insert(last_import_index + 1, new_import)
+        node.body.insert(last_import_index + 2, function_call)
+
+        return node
+
+
+def transform_code(source_code: str) -> str:
+    tree = ast.parse(source_code)
+    transformer = AuditWallTransformer()
+    new_tree = transformer.visit(tree)
+    return ast.unparse(new_tree)