reforkering

fmt

rebase forkup

fixing build all

leave the last block open

more tests

rebase fix

replay test fix

rollback depth parameter

cleanup

better replay stage

s/finalized/frozen for bank_checkpoints that are no longer able to write transactions or ticks

remove println

disconnect blob sender so that TVU isn't replyaing onto TPU's fork

finalize()->freeze(), code review comments

rebased

fix window_send_test

remove entries_to_blocks()

guard against too many ticks in a slot

limiting ticks, take #2

more info

fix test_replay_stage_poh_error_entry_receiver

fix leader_scheduler::test_update_height

s/bank_state/bank_fork/g

s/bank_checkpoint/bank_delta/g

fix up stragglers from rename

get it building again.  num_ticks_left_in_slot() should not assume slot from tick_height

fixups

ignore leader rotation tests until ledger is turned around

renames, compile fixes

benches/bank.rs

@@ -12,6 +12,7 @@ use test::Bencher;
 
 #[bench]
 fn bench_process_transaction(bencher: &mut Bencher) {
+    solana_logger::setup();
     let (genesis_block, mint_keypair) = GenesisBlock::new(100_000_000);
     let bank = Bank::new(&genesis_block);
 
@@ -25,31 +26,37 @@ fn bench_process_transaction(bencher: &mut Bencher) {
                 &mint_keypair,
                 rando0.pubkey(),
                 10_000,
-                bank.last_id(),
+                bank.active_fork().last_id(),
                 0,
             );
             assert_eq!(bank.process_transaction(&tx), Ok(()));
 
             // Seed the 'to' account and a cell for its signature.
             let rando1 = Keypair::new();
-            let tx = SystemTransaction::new_move(&rando0, rando1.pubkey(), 1, bank.last_id(), 0);
+            let tx = SystemTransaction::new_move(
+                &rando0,
+                rando1.pubkey(),
+                1,
+                bank.active_fork().last_id(),
+                0,
+            );
             assert_eq!(bank.process_transaction(&tx), Ok(()));
 
             // Finally, return the transaction to the benchmark.
             tx
         })
         .collect();
 
-    let mut id = bank.last_id();
+    let mut id = bank.active_fork().last_id();
 
-    for _ in 0..(MAX_ENTRY_IDS - 1) {
-        bank.register_tick(&id);
+    for _ in 0..(MAX_ENTRY_IDS / 2) {
+        bank.active_fork().register_tick(&id);
         id = hash(&id.as_ref())
     }
 
     bencher.iter(|| {
         // Since benchmarker runs this multiple times, we need to clear the signatures.
-        bank.clear_signatures();
+        bank.active_fork().clear_signatures();
         let results = bank.process_transactions(&transactions);
         assert!(results.iter().all(Result::is_ok));
     })

benches/banking_stage.rs

@@ -86,13 +86,13 @@ fn bench_banking_stage_multi_accounts(bencher: &mut Bencher) {
         let res = bank.process_transaction(&tx);
         assert!(res.is_ok(), "sanity test transactions");
     });
-    bank.clear_signatures();
+    bank.active_fork().clear_signatures();
     //sanity check, make sure all the transactions can execute in parallel
     let res = bank.process_transactions(&transactions);
     for r in res {
         assert!(r.is_ok(), "sanity parallel execution");
     }
-    bank.clear_signatures();
+    bank.active_fork().clear_signatures();
     let verified: Vec<_> = to_packets_chunked(&transactions.clone(), 192)
         .into_iter()
         .map(|x| {
@@ -114,19 +114,19 @@ fn bench_banking_stage_multi_accounts(bencher: &mut Bencher) {
     let mut id = genesis_block.last_id();
     for _ in 0..MAX_ENTRY_IDS {
         id = hash(&id.as_ref());
-        bank.register_tick(&id);
+        bank.active_fork().register_tick(&id);
     }
 
     let half_len = verified.len() / 2;
     let mut start = 0;
     bencher.iter(move || {
         // make sure the transactions are still valid
-        bank.register_tick(&genesis_block.last_id());
+        bank.active_fork().register_tick(&genesis_block.last_id());
         for v in verified[start..start + half_len].chunks(verified.len() / num_threads) {
             verified_sender.send(v.to_vec()).unwrap();
         }
         check_txs(&signal_receiver, txes / 2);
-        bank.clear_signatures();
+        bank.active_fork().clear_signatures();
         start += half_len;
         start %= verified.len();
     });
@@ -195,13 +195,13 @@ fn bench_banking_stage_multi_programs(bencher: &mut Bencher) {
         let res = bank.process_transaction(&tx);
         assert!(res.is_ok(), "sanity test transactions");
     });
-    bank.clear_signatures();
+    bank.active_fork().clear_signatures();
     //sanity check, make sure all the transactions can execute in parallel
     let res = bank.process_transactions(&transactions);
     for r in res {
         assert!(r.is_ok(), "sanity parallel execution");
     }
-    bank.clear_signatures();
+    bank.active_fork().clear_signatures();
     let verified: Vec<_> = to_packets_chunked(&transactions.clone(), 96)
         .into_iter()
         .map(|x| {
@@ -223,19 +223,19 @@ fn bench_banking_stage_multi_programs(bencher: &mut Bencher) {
     let mut id = genesis_block.last_id();
     for _ in 0..MAX_ENTRY_IDS {
         id = hash(&id.as_ref());
-        bank.register_tick(&id);
+        bank.active_fork().register_tick(&id);
     }
 
     let half_len = verified.len() / 2;
     let mut start = 0;
     bencher.iter(move || {
         // make sure the transactions are still valid
-        bank.register_tick(&genesis_block.last_id());
+        bank.active_fork().register_tick(&genesis_block.last_id());
         for v in verified[start..start + half_len].chunks(verified.len() / num_threads) {
             verified_sender.send(v.to_vec()).unwrap();
         }
         check_txs(&signal_receiver, txes / 2);
-        bank.clear_signatures();
+        bank.active_fork().clear_signatures();
         start += half_len;
         start %= verified.len();
     });

ledger-tool/src/main.rs

@@ -113,7 +113,7 @@ fn main() {
         }
         ("verify", _) => {
             let bank = Bank::new(&genesis_block);
-            let mut last_id = bank.last_id();
+            let mut last_id = bank.active_fork().last_id();
             let mut num_entries = 0;
             for (i, entry) in entries.enumerate() {
                 if i >= head {
@@ -129,7 +129,7 @@ fn main() {
                 last_id = entry.id;
                 num_entries += 1;
 
-                if let Err(e) = bank.process_entry(&entry) {
+                if let Err(e) = bank.active_fork().process_entries(&[entry]) {
                     eprintln!("verify failed at entry[{}], err: {:?}", i + 2, e);
                     if !matches.is_present("continue") {
                         exit(1);

src/accounts.rs

@@ -81,11 +81,11 @@ impl AccountsDB {
         hash(&serialize(&ordered_accounts).unwrap())
     }
 
-    fn load<U>(checkpoints: &[U], pubkey: &Pubkey) -> Option<Account>
+    fn load<U>(deltas: &[U], pubkey: &Pubkey) -> Option<Account>
     where
         U: Deref<Target = Self>,
     {
-        for db in checkpoints {
+        for db in deltas {
             if let Some(account) = db.accounts.get(pubkey) {
                 return Some(account.clone());
             }
@@ -97,7 +97,7 @@ impl AccountsDB {
     pub fn store(&mut self, purge: bool, pubkey: &Pubkey, account: &Account) {
         if account.tokens == 0 {
             if purge {
-                // purge if balance is 0 and no checkpoints
+                // purge if balance is 0 and no deltas
                 self.accounts.remove(pubkey);
             } else {
                 // store default account if balance is 0 and there's a checkpoint
@@ -128,7 +128,7 @@ impl AccountsDB {
         }
     }
     fn load_tx_accounts<U>(
-        checkpoints: &[U],
+        deltas: &[U],
         tx: &Transaction,
         error_counters: &mut ErrorCounters,
     ) -> Result<Vec<Account>>
@@ -149,7 +149,7 @@ impl AccountsDB {
             // If a fee can pay for execution then the program will be scheduled
             let mut called_accounts: Vec<Account> = vec![];
             for key in &tx.account_keys {
-                called_accounts.push(Self::load(checkpoints, key).unwrap_or_default());
+                called_accounts.push(Self::load(deltas, key).unwrap_or_default());
             }
             if called_accounts.is_empty() || called_accounts[0].tokens == 0 {
                 error_counters.account_not_found += 1;
@@ -165,7 +165,7 @@ impl AccountsDB {
     }
 
     fn load_executable_accounts<U>(
-        checkpoints: &[U],
+        deltas: &[U],
         mut program_id: Pubkey,
         error_counters: &mut ErrorCounters,
     ) -> Result<Vec<(Pubkey, Account)>>
@@ -186,7 +186,7 @@ impl AccountsDB {
             }
             depth += 1;
 
-            let program = match Self::load(checkpoints, &program_id) {
+            let program = match Self::load(deltas, &program_id) {
                 Some(program) => program,
                 None => {
                     error_counters.account_not_found += 1;
@@ -208,7 +208,7 @@ impl AccountsDB {
 
     /// For each program_id in the transaction, load its loaders.
     fn load_loaders<U>(
-        checkpoints: &[U],
+        deltas: &[U],
         tx: &Transaction,
         error_counters: &mut ErrorCounters,
     ) -> Result<Vec<Vec<(Pubkey, Account)>>>
@@ -223,13 +223,13 @@ impl AccountsDB {
                     return Err(BankError::AccountNotFound);
                 }
                 let program_id = tx.program_ids[ix.program_ids_index as usize];
-                Self::load_executable_accounts(checkpoints, program_id, error_counters)
+                Self::load_executable_accounts(deltas, program_id, error_counters)
             })
             .collect()
     }
 
     fn load_accounts<U>(
-        checkpoints: &[U],
+        deltas: &[U],
         txs: &[Transaction],
         lock_results: Vec<Result<()>>,
         error_counters: &mut ErrorCounters,
@@ -241,8 +241,8 @@ impl AccountsDB {
             .zip(lock_results.into_iter())
             .map(|etx| match etx {
                 (tx, Ok(())) => {
-                    let accounts = Self::load_tx_accounts(checkpoints, tx, error_counters)?;
-                    let loaders = Self::load_loaders(checkpoints, tx, error_counters)?;
+                    let accounts = Self::load_tx_accounts(deltas, tx, error_counters)?;
+                    let loaders = Self::load_loaders(deltas, tx, error_counters)?;
                     Ok((accounts, loaders))
                 }
                 (_, Err(e)) => Err(e),
@@ -268,11 +268,11 @@ impl AccountsDB {
 
 impl Accounts {
     /// Slow because lock is held for 1 operation insted of many
-    pub fn load_slow<U>(checkpoints: &[U], pubkey: &Pubkey) -> Option<Account>
+    pub fn load_slow<U>(deltas: &[U], pubkey: &Pubkey) -> Option<Account>
     where
         U: Deref<Target = Self>,
     {
-        let dbs: Vec<_> = checkpoints
+        let dbs: Vec<_> = deltas
             .iter()
             .map(|obj| obj.accounts_db.read().unwrap())
             .collect();
@@ -350,15 +350,15 @@ impl Accounts {
     }
 
     pub fn load_accounts<U>(
-        checkpoints: &[U],
+        deltas: &[U],
         txs: &[Transaction],
         results: Vec<Result<()>>,
         error_counters: &mut ErrorCounters,
     ) -> Vec<Result<(InstructionAccounts, InstructionLoaders)>>
     where
         U: Deref<Target = Self>,
     {
-        let dbs: Vec<_> = checkpoints
+        let dbs: Vec<_> = deltas
             .iter()
             .map(|obj| obj.accounts_db.read().unwrap())
             .collect();