From c6d279c01ae7a2a1ce165bca48d7effb601f3ddf Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Sat, 21 Oct 2023 11:43:26 +0200
Subject: [PATCH] fix: no value for staticcall call traces (#5117)

---
 crates/revm/revm-inspectors/src/tracing/types.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/crates/revm/revm-inspectors/src/tracing/types.rs b/crates/revm/revm-inspectors/src/tracing/types.rs
index 71439b139..a85942add 100644
--- a/crates/revm/revm-inspectors/src/tracing/types.rs
+++ b/crates/revm/revm-inspectors/src/tracing/types.rs
@@ -32,14 +32,22 @@ pub enum CallKind {
 
 impl CallKind {
     /// Returns true if the call is a create
+    #[inline]
     pub fn is_any_create(&self) -> bool {
         matches!(self, CallKind::Create | CallKind::Create2)
     }
 
     /// Returns true if the call is a delegate of some sorts
+    #[inline]
     pub fn is_delegate(&self) -> bool {
         matches!(self, CallKind::DelegateCall | CallKind::CallCode)
     }
+
+    /// Returns true if the call is [CallKind::StaticCall].
+    #[inline]
+    pub fn is_static_call(&self) -> bool {
+        matches!(self, CallKind::StaticCall)
+    }
 }
 
 impl std::fmt::Display for CallKind {
@@ -413,6 +421,11 @@ impl CallTraceNode {
             logs: Default::default(),
         };
 
+        if self.trace.kind.is_static_call() {
+            // STATICCALL frames don't have a value
+            call_frame.value = None;
+        }
+
         // we need to populate error and revert reason
         if !self.trace.success {
             call_frame.revert_reason = decode_revert_reason(self.trace.output.as_ref());