From 00b84ffbfda52e519ec1af5d78cc9a3333695a00 Mon Sep 17 00:00:00 2001
From: Arsenii Kulikov <klkvrr@gmail.com>
Date: Tue, 16 Jul 2024 22:03:38 +0800
Subject: [PATCH 1/2] fix: optional modifier body

---
 crates/artifacts/solc/src/ast/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/artifacts/solc/src/ast/mod.rs b/crates/artifacts/solc/src/ast/mod.rs
index 2765b513..76b9fd38 100644
--- a/crates/artifacts/solc/src/ast/mod.rs
+++ b/crates/artifacts/solc/src/ast/mod.rs
@@ -1000,7 +1000,7 @@ ast_node!(
         name_location: Option<SourceLocation>,
         #[serde(default, deserialize_with = "serde_helpers::default_for_null")]
         base_modifiers: Vec<usize>,
-        body: Block,
+        body: Option<Block>,
         documentation: Option<StructuredDocumentation>,
         overrides: Option<OverrideSpecifier>,
         parameters: ParameterList,

From 11a98e08e73e1f9b478d0cc91b53fdbbed981ce3 Mon Sep 17 00:00:00 2001
From: Arsenii Kulikov <klkvrr@gmail.com>
Date: Tue, 16 Jul 2024 22:14:37 +0800
Subject: [PATCH 2/2] fix

---
 crates/artifacts/solc/src/ast/visitor.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/artifacts/solc/src/ast/visitor.rs b/crates/artifacts/solc/src/ast/visitor.rs
index b1168493..d8064ff0 100644
--- a/crates/artifacts/solc/src/ast/visitor.rs
+++ b/crates/artifacts/solc/src/ast/visitor.rs
@@ -281,7 +281,9 @@ impl_walk!(StructDefinition, visit_struct_definition, |struct_, visitor| {
 });
 
 impl_walk!(ModifierDefinition, visit_modifier_definition, |modifier, visitor| {
-    modifier.body.walk(visitor);
+    if let Some(body) = &modifier.body {
+        body.walk(visitor);
+    }
     if let Some(override_) = &modifier.overrides {
         override_.walk(visitor);
     }