From c15da3dc95de05bcea7ff3472107e0cefa7bcf6a Mon Sep 17 00:00:00 2001
From: Dmitrii Novikov <novikov.dm.al@gmail.com>
Date: Mon, 2 Dec 2024 21:30:46 +0400
Subject: [PATCH] make rpc params optional

---
 ethexe/cli/src/args.rs       | 2 +-
 ethexe/cli/src/config.rs     | 2 +-
 ethexe/cli/src/params/rpc.rs | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/ethexe/cli/src/args.rs b/ethexe/cli/src/args.rs
index 8ec865259e9..0dc0e8be807 100644
--- a/ethexe/cli/src/args.rs
+++ b/ethexe/cli/src/args.rs
@@ -117,7 +117,7 @@ pub struct Args {
 
     #[allow(missing_docs)]
     #[clap(flatten)]
-    pub rpc_params: RpcParams,
+    pub rpc_params: Option<RpcParams>,
 
     #[command(subcommand)]
     pub extra_command: Option<ExtraCommands>,
diff --git a/ethexe/cli/src/config.rs b/ethexe/cli/src/config.rs
index daf0a4ad456..031723fc0fd 100644
--- a/ethexe/cli/src/config.rs
+++ b/ethexe/cli/src/config.rs
@@ -215,7 +215,7 @@ impl TryFrom<Args> for Config {
             prometheus_config: args.prometheus_params.and_then(|params| {
                 params.prometheus_config(DEFAULT_PROMETHEUS_PORT, "ethexe-dev".to_string())
             }),
-            rpc_config: args.rpc_params.as_config(),
+            rpc_config: args.rpc_params.and_then(|v| v.as_config()),
         })
     }
 }
diff --git a/ethexe/cli/src/params/rpc.rs b/ethexe/cli/src/params/rpc.rs
index e75758aec85..675ecd0e17b 100644
--- a/ethexe/cli/src/params/rpc.rs
+++ b/ethexe/cli/src/params/rpc.rs
@@ -85,6 +85,7 @@ impl RpcParams {
 ///
 /// The type is introduced to overcome `Option<Option<T>>` handling of `clap`.
 #[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "lowercase")]
 pub enum Cors {
     /// All hosts allowed.
     All,