feat(encode-args): add test to length validation

Author: simon0820s

crates/common/src/abi.rs

@@ -18,11 +18,7 @@ where
     let args: Vec<S> = args.into_iter().collect();
 
     if inputs.len() != args.len() {
-        eyre::bail!(
-            "encode length mismatch: expected {} types, got {}",
-            inputs.len(),
-            args.len()
-        )
+        eyre::bail!("encode length mismatch: expected {} types, got {}", inputs.len(), args.len())
     }
 
     std::iter::zip(inputs, args)
@@ -267,4 +263,43 @@ mod tests {
         assert_eq!(parsed.indexed[1], DynSolValue::Uint(U256::from_be_bytes([3; 32]), 256));
         assert_eq!(parsed.indexed[2], DynSolValue::Address(Address::from_word(param2)));
     }
+
+    #[test]
+    fn test_encode_args_length_validation() {
+        use alloy_json_abi::Param;
+
+        let params = vec![
+            Param {
+                name: "a".to_string(),
+                ty: "uint256".to_string(),
+                internal_type: None,
+                components: vec![],
+            },
+            Param {
+                name: "b".to_string(),
+                ty: "address".to_string(),
+                internal_type: None,
+                components: vec![],
+            },
+        ];
+
+        // Less arguments than parameters 
+        let args = vec!["1"];
+        let res = encode_args(&params, &args);
+        assert!(res.is_err());
+        assert!(format!("{}", res.unwrap_err()).contains("encode length mismatch"));
+
+        // Exact number of arguments and parameters
+        let args = vec!["1", "0x0000000000000000000000000000000000000001"];
+        let res = encode_args(&params, &args);
+        assert!(res.is_ok());
+        let values = res.unwrap();
+        assert_eq!(values.len(), 2);
+
+        // More arguments than parameters
+        let args = vec!["1", "0x0000000000000000000000000000000000000001", "extra"];
+        let res = encode_args(&params, &args);
+        assert!(res.is_err());
+        assert!(format!("{}", res.unwrap_err()).contains("encode length mismatch"));
+    }
 }