Allow producing block with execution payload

beacon_node/client/src/builder.rs

@@ -156,6 +156,7 @@ where
             let execution_layer = ExecutionLayer::from_urls(
                 execution_endpoints,
                 terminal_total_difficulty,
+                config.fee_recipient,
                 context.executor.clone(),
                 context.log().clone(),
             )

beacon_node/client/src/config.rs

@@ -4,7 +4,7 @@ use sensitive_url::SensitiveUrl;
 use serde_derive::{Deserialize, Serialize};
 use std::fs;
 use std::path::PathBuf;
-use types::{Graffiti, PublicKeyBytes, Uint256};
+use types::{Address, Graffiti, PublicKeyBytes, Uint256};
 
 /// Default directory name for the freezer database under the top-level data dir.
 const DEFAULT_FREEZER_DB_DIR: &str = "freezer_db";
@@ -76,6 +76,7 @@ pub struct Config {
     pub eth1: eth1::Config,
     pub execution_endpoints: Option<Vec<SensitiveUrl>>,
     pub terminal_total_difficulty_override: Option<Uint256>,
+    pub fee_recipient: Option<Address>,
     pub http_api: http_api::Config,
     pub http_metrics: http_metrics::Config,
     pub monitoring_api: Option<monitoring_api::Config>,
@@ -98,6 +99,7 @@ impl Default for Config {
             eth1: <_>::default(),
             execution_endpoints: None,
             terminal_total_difficulty_override: None,
+            fee_recipient: None,
             disabled_forks: Vec::new(),
             graffiti: Graffiti::default(),
             http_api: <_>::default(),