[V0.12] Cherry pick some fixes from master branch

core/src/banking_stage.rs

@@ -17,6 +17,7 @@ use crate::sigverify_stage::VerifiedPackets;
 use bincode::deserialize;
 use solana_metrics::counter::Counter;
 use solana_runtime::bank::{self, Bank, BankError};
+use solana_sdk::pubkey::Pubkey;
 use solana_sdk::timing::{self, duration_as_us, MAX_RECENT_BLOCKHASHES};
 use solana_sdk::transaction::Transaction;
 use std::net::UdpSocket;
@@ -439,6 +440,7 @@ pub fn create_test_recorder(
         bank.slot(),
         Some(4),
         bank.ticks_per_slot(),
+        &Pubkey::default(),
     );
     let poh_recorder = Arc::new(Mutex::new(poh_recorder));
     let poh_service = PohService::new(poh_recorder.clone(), &PohServiceConfig::default(), &exit);
@@ -653,6 +655,7 @@ mod tests {
             bank.slot(),
             None,
             bank.ticks_per_slot(),
+            &Pubkey::default(),
         );
         let poh_recorder = Arc::new(Mutex::new(poh_recorder));
 
@@ -711,6 +714,7 @@ mod tests {
             bank.slot(),
             Some(4),
             bank.ticks_per_slot(),
+            &pubkey,
         );
         let poh_recorder = Arc::new(Mutex::new(poh_recorder));
 

core/src/blocktree_processor.rs

@@ -138,14 +138,13 @@ pub fn process_blocktree(
                 warn!("entry0 not present");
                 return Err(BankError::LedgerVerificationFailed);
             }
-            let entry0 = &entries[0];
+            let entry0 = entries.remove(0);
             if !(entry0.is_tick() && entry0.verify(&last_entry_hash)) {
                 warn!("Ledger proof of history failed at entry0");
                 return Err(BankError::LedgerVerificationFailed);
             }
             last_entry_hash = entry0.hash;
             entry_height += 1;
-            entries = entries.drain(1..).collect();
         }
 
         if !entries.is_empty() {

core/src/fullnode.rs

@@ -113,6 +113,7 @@ impl Fullnode {
             bank.slot(),
             leader_schedule_utils::next_leader_slot(&id, bank.slot(), &bank),
             bank.ticks_per_slot(),
+            &id,
         );
         let poh_recorder = Arc::new(Mutex::new(poh_recorder));
         let poh_service = PohService::new(poh_recorder.clone(), &config.tick_config, &exit);