Add new field to test_harness YAML, remove prints

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -596,7 +596,6 @@ where
 
         // Transition the parent state to the present slot.
         let mut state = parent_state;
-        println!("parent process state: {:?}", state.latest_block_header);
         let previous_block_header = parent_block.into_header();
         for _ in state.slot.as_u64()..present_slot.as_u64() {
             if let Err(e) = per_slot_processing(&mut state, &previous_block_header, &self.spec) {
@@ -614,8 +613,6 @@ where
             ));
         }
 
-        println!("process state: {:?}", state.latest_block_header);
-
         let state_root = state.canonical_root();
 
         if block.state_root != state_root {
@@ -706,8 +703,6 @@ where
 
         per_block_processing_without_verifying_block_signature(&mut state, &block, &self.spec)?;
 
-        println!("produce state: {:?}", state.latest_block_header);
-
         let state_root = state.canonical_root();
 
         block.state_root = state_root;

beacon_node/beacon_chain/test_harness/specs/validator_registry.yaml

@@ -9,6 +9,7 @@ test_cases:
       deposits_for_chain_start: 1000
       num_slots: 64
       skip_slots: [2, 3]
+      persistent_committee_period: 0
       deposits:
           # At slot 1, create a new validator deposit of 5 ETH.
         - slot: 1

beacon_node/beacon_chain/test_harness/src/test_case.rs

@@ -62,6 +62,10 @@ impl TestCase {
             spec.slots_per_epoch = n;
         }
 
+        if let Some(n) = self.config.persistent_committee_period {
+            spec.persistent_committee_period = n;
+        }
+
         spec
     }
 

beacon_node/beacon_chain/test_harness/src/test_case/config.rs

@@ -20,6 +20,8 @@ pub struct Config {
     pub deposits_for_chain_start: usize,
     /// Number of slots in an epoch.
     pub slots_per_epoch: Option<u64>,
+    /// Affects the number of epochs a validator must be active before they can withdraw.
+    pub persistent_committee_period: Option<u64>,
     /// Number of slots to build before ending execution.
     pub num_slots: u64,
     /// Number of slots that should be skipped due to inactive validator.
@@ -45,6 +47,7 @@ impl Config {
             deposits_for_chain_start: as_usize(&yaml, "deposits_for_chain_start")
                 .expect("Must specify validator count"),
             slots_per_epoch: as_u64(&yaml, "slots_per_epoch"),
+            persistent_committee_period: as_u64(&yaml, "persistent_committee_period"),
             num_slots: as_u64(&yaml, "num_slots").expect("Must specify `config.num_slots`"),
             skip_slots: as_vec_u64(yaml, "skip_slots"),
             deposits: parse_deposits(&yaml),