chore: clearer error message when function signature does not contain parentheses (#9478)

* chore: clearer error message when function signature does not contain parentheses

* Update crates/cli/src/utils/abi.rs

Co-authored-by: Yash Atreya <[email protected]>

* info log

* fmt

---------

Co-authored-by: Yash Atreya <[email protected]>
Co-authored-by: DaniPopes <[email protected]>

Author: 3 people

crates/cli/src/utils/abi.rs

@@ -48,8 +48,11 @@ pub async fn parse_function_args<P: Provider<AnyNetwork>>(
         // a regular function signature with parentheses
         get_func(sig)?
     } else {
+        info!(
+            "function signature does not contain parentheses, fetching function data from Etherscan"
+        );
         let etherscan_api_key = etherscan_api_key.ok_or_eyre(
-            "If you wish to fetch function data from Etherscan, please provide an Etherscan API key.",
+            "Function signature does not contain parentheses. If you wish to fetch function data from Etherscan, please provide an API key.",
         )?;
         let to = to.ok_or_eyre("A 'to' address must be provided to fetch function data.")?;
         get_func_etherscan(sig, to, &args, chain, etherscan_api_key, etherscan_api_version).await?