Add CLI flags

lighthouse/Cargo.toml

@@ -64,6 +64,7 @@ slashing_protection = { path = "../validator_client/slashing_protection" }
 lighthouse_network = { path = "../beacon_node/lighthouse_network" }
 sensitive_url = { path = "../common/sensitive_url" }
 eth1 = { path = "../beacon_node/eth1" }
+beacon_processor = { path = "../beacon_node/beacon_processor" }
 
 [[test]]
 name = "lighthouse_tests"

lighthouse/tests/beacon_node.rs

@@ -5,6 +5,7 @@ use beacon_node::beacon_chain::chain_config::{
     DisallowedReOrgOffsets, DEFAULT_RE_ORG_CUTOFF_DENOMINATOR,
     DEFAULT_RE_ORG_MAX_EPOCHS_SINCE_FINALIZATION, DEFAULT_RE_ORG_THRESHOLD,
 };
+use beacon_processor::BeaconProcessorConfig;
 use eth1::Eth1Endpoint;
 use lighthouse_network::PeerId;
 use std::fs::File;
@@ -1118,13 +1119,13 @@ fn disable_backfill_rate_limiting_flag() {
     CommandLineTest::new()
         .flag("disable-backfill-rate-limiting", None)
         .run_with_zero_port()
-        .with_config(|config| assert!(!config.chain.enable_backfill_rate_limiting));
+        .with_config(|config| assert!(!config.beacon_processor.enable_backfill_rate_limiting));
 }
 #[test]
 fn default_backfill_rate_limiting_flag() {
     CommandLineTest::new()
         .run_with_zero_port()
-        .with_config(|config| assert!(config.chain.enable_backfill_rate_limiting));
+        .with_config(|config| assert!(config.beacon_processor.enable_backfill_rate_limiting));
 }
 #[test]
 fn default_boot_nodes() {
@@ -2277,3 +2278,36 @@ fn progressive_balances_fast() {
             )
         });
 }
+
+#[test]
+fn beacon_processor() {
+    CommandLineTest::new()
+        .run_with_zero_port()
+        .with_config(|config| assert_eq!(config.beacon_processor, <_>::default()));
+
+    CommandLineTest::new()
+        .flag("beacon-processor-max-workers", Some("1"))
+        .flag("beacon-processor-work-queue", Some("2"))
+        .flag("beacon-processor-reprocess-queue", Some("3"))
+        .flag("disable-backfill-rate-limiting", None)
+        .run_with_zero_port()
+        .with_config(|config| {
+            assert_eq!(
+                config.beacon_processor,
+                BeaconProcessorConfig {
+                    max_workers: 1,
+                    max_work_event_queue_len: 2,
+                    max_scheduled_work_queue_len: 3,
+                    enable_backfill_rate_limiting: false
+                }
+            )
+        });
+}
+
+#[test]
+#[should_panic]
+fn beacon_processor_zero_workers() {
+    CommandLineTest::new()
+        .flag("beacon-processor-max-workers", Some("0"))
+        .run_with_zero_port();
+}