diff --git a/crates/rpc-types/src/eth/call.rs b/crates/rpc-types/src/eth/call.rs
index 73f48d62699..1c239ae0f38 100644
--- a/crates/rpc-types/src/eth/call.rs
+++ b/crates/rpc-types/src/eth/call.rs
@@ -168,32 +168,41 @@ impl CallInput {
         Self { input, data: None }
     }
 
+    /// Consumes the type and returns the optional input data.
+    #[inline]
+    pub fn into_input(self) -> Option<Bytes> {
+        self.input.or(self.data)
+    }
+
     /// Consumes the type and returns the optional input data.
     ///
     /// Returns an error if both `data` and `input` fields are set and not equal.
+    #[inline]
     pub fn try_into_unique_input(self) -> Result<Option<Bytes>, CallInputError> {
-        let Self { input, data } = self;
-        match (input, data) {
-            (Some(input), Some(data)) if input == data => Ok(Some(input)),
-            (Some(_), Some(_)) => Err(CallInputError::default()),
-            (Some(input), None) => Ok(Some(input)),
-            (None, Some(data)) => Ok(Some(data)),
-            (None, None) => Ok(None),
-        }
+        self.check_unique_input().map(|()| self.into_input())
     }
 
-    /// Consumes the type and returns the optional input data.
+    /// Returns the optional input data.
+    #[inline]
+    pub fn input(&self) -> Option<&Bytes> {
+        self.input.as_ref().or(self.data.as_ref())
+    }
+
+    /// Returns the optional input data.
     ///
     /// Returns an error if both `data` and `input` fields are set and not equal.
+    #[inline]
     pub fn unique_input(&self) -> Result<Option<&Bytes>, CallInputError> {
-        let Self { input, data } = self;
-        match (input, data) {
-            (Some(input), Some(data)) if input == data => Ok(Some(input)),
-            (Some(_), Some(_)) => Err(CallInputError::default()),
-            (Some(input), None) => Ok(Some(input)),
-            (None, Some(data)) => Ok(Some(data)),
-            (None, None) => Ok(None),
+        self.check_unique_input().map(|()| self.input())
+    }
+
+    fn check_unique_input(&self) -> Result<(), CallInputError> {
+        if let (Some(input), Some(data)) = (&self.input, &self.data) {
+            if input != data {
+                return Err(CallInputError::default());
+            }
         }
+        Ok(())
     }
 }