From e3b0080922d4db57533a3cd5c0e277de38a8b6ab Mon Sep 17 00:00:00 2001
From: Arsenii Kulikov <klkvrr@gmail.com>
Date: Tue, 22 Oct 2024 17:43:22 +0400
Subject: [PATCH] error impl

---
 crates/eip7702/src/error.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/crates/eip7702/src/error.rs b/crates/eip7702/src/error.rs
index 381257b..5fca484 100644
--- a/crates/eip7702/src/error.rs
+++ b/crates/eip7702/src/error.rs
@@ -10,3 +10,13 @@ pub enum Eip7702Error {
     #[from]
     Signature(alloy_primitives::SignatureError),
 }
+
+#[cfg(feature = "std")]
+impl std::error::Error for Eip7702Error {
+    fn source(&self) -> Option<&(dyn core::error::Error + 'static)> {
+        match self {
+            Self::InvalidSValue(_) => None,
+            Self::Signature(err) => Some(err),
+        }
+    }
+}