feat(l1)!: allow setting a target gas limit through CLI

cmd/ethrex/cli.rs

@@ -230,6 +230,14 @@ pub struct Options {
         help_heading = "Block producer options"
     )]
     pub extra_data: String,
+    #[arg(
+        long = "block-producer.gas-limit",
+        default_value = None,
+        value_name = "GAS_LIMIT",
+        help = "Target block gas limit.",
+        help_heading = "Block producer options"
+    )]
+    pub gas_limit: Option<u64>,
 }
 
 impl Options {
@@ -302,6 +310,7 @@ impl Default for Options {
             tx_broadcasting_time_interval: Default::default(),
             target_peers: Default::default(),
             extra_data: get_minimal_client_version(),
+            gas_limit: None,
         }
     }
 }

cmd/ethrex/initializers.rs

@@ -130,7 +130,7 @@ pub fn init_blockchain(store: Store, blockchain_opts: BlockchainOptions) -> Arc<
     Blockchain::new(store, blockchain_opts).into()
 }
 
-#[allow(clippy::too_many_arguments)]
+#[expect(clippy::too_many_arguments)]
 pub async fn init_rpc_api(
     opts: &Options,
     peer_handler: PeerHandler,
@@ -141,8 +141,6 @@ pub async fn init_rpc_api(
     cancel_token: CancellationToken,
     tracker: TaskTracker,
     log_filter_handler: Option<reload::Handle<EnvFilter, Registry>>,
-    gas_ceil: Option<u64>,
-    extra_data: String,
 ) {
     init_datadir(&opts.datadir);
 
@@ -182,8 +180,8 @@ pub async fn init_rpc_api(
         peer_handler,
         get_client_version(),
         log_filter_handler,
-        gas_ceil,
-        extra_data,
+        opts.gas_limit,
+        opts.extra_data.clone(),
     );
 
     tracker.spawn(rpc_api);
@@ -463,9 +461,6 @@ pub async fn init_l1(
         cancel_token.clone(),
         tracker.clone(),
         log_filter_handler,
-        // TODO (#4482): Make this configurable.
-        None,
-        opts.extra_data.clone(),
     )
     .await;