Just define BnakSlotDelta type alias (bp #8186)

core/src/snapshot_packager_service.rs

@@ -59,10 +59,8 @@ mod tests {
         snapshot_utils::{self, SNAPSHOT_STATUS_CACHE_FILE_NAME},
     };
     use solana_runtime::{
-        accounts_db::AccountStorageEntry, bank::MAX_SNAPSHOT_DATA_FILE_SIZE,
-        status_cache::SlotDelta,
+        accounts_db::AccountStorageEntry, bank::BankSlotDelta, bank::MAX_SNAPSHOT_DATA_FILE_SIZE,
     };
-    use solana_sdk::transaction;
     use std::{
         fs::{self, remove_dir_all, OpenOptions},
         io::Write,
@@ -149,7 +147,7 @@ mod tests {
         // before we compare, stick an empty status_cache in this dir so that the package comparision works
         // This is needed since the status_cache is added by the packager and is not collected from
         // the source dir for snapshots
-        let dummy_slot_deltas: Vec<SlotDelta<transaction::Result<()>>> = vec![];
+        let dummy_slot_deltas: Vec<BankSlotDelta> = vec![];
         snapshot_utils::serialize_snapshot_data_file(
             &snapshots_dir.join(SNAPSHOT_STATUS_CACHE_FILE_NAME),
             MAX_SNAPSHOT_DATA_FILE_SIZE,

core/tests/bank_forks.rs

@@ -14,15 +14,15 @@ mod tests {
         snapshot_utils,
     };
     use solana_runtime::{
-        bank::Bank,
-        status_cache::{SlotDelta, MAX_CACHE_ENTRIES},
+        bank::{Bank, BankSlotDelta},
+        status_cache::MAX_CACHE_ENTRIES,
     };
     use solana_sdk::{
         clock::Slot,
         hash::hashv,
         pubkey::Pubkey,
         signature::{Keypair, KeypairUtil},
-        system_transaction, transaction,
+        system_transaction,
     };
     use std::{fs, path::PathBuf, sync::atomic::AtomicBool, sync::mpsc::channel, sync::Arc};
     use tempfile::TempDir;
@@ -312,7 +312,7 @@ mod tests {
         // before we compare, stick an empty status_cache in this dir so that the package comparision works
         // This is needed since the status_cache is added by the packager and is not collected from
         // the source dir for snapshots
-        let dummy_slot_deltas: Vec<SlotDelta<transaction::Result<()>>> = vec![];
+        let dummy_slot_deltas: Vec<BankSlotDelta> = vec![];
         snapshot_utils::serialize_snapshot_data_file(
             &saved_snapshots_dir
                 .path()

ledger/src/snapshot_package.rs

@@ -1,6 +1,6 @@
 use solana_runtime::accounts_db::AccountStorageEntry;
-use solana_runtime::status_cache::SlotDelta;
-use solana_sdk::{clock::Slot, transaction};
+use solana_runtime::bank::BankSlotDelta;
+use solana_sdk::clock::Slot;
 use std::path::PathBuf;
 use std::sync::mpsc::{Receiver, SendError, Sender};
 use std::sync::Arc;
@@ -13,7 +13,7 @@ pub type SnapshotPackageSendError = SendError<SnapshotPackage>;
 #[derive(Debug)]
 pub struct SnapshotPackage {
     pub root: Slot,
-    pub slot_deltas: Vec<SlotDelta<transaction::Result<()>>>,
+    pub slot_deltas: Vec<BankSlotDelta>,
     pub snapshot_links: TempDir,
     pub storage_entries: Vec<Arc<AccountStorageEntry>>,
     pub tar_output_file: PathBuf,
@@ -22,7 +22,7 @@ pub struct SnapshotPackage {
 impl SnapshotPackage {
     pub fn new(
         root: Slot,
-        slot_deltas: Vec<SlotDelta<transaction::Result<()>>>,
+        slot_deltas: Vec<BankSlotDelta>,
         snapshot_links: TempDir,
         storage_entries: Vec<Arc<AccountStorageEntry>>,
         tar_output_file: PathBuf,

ledger/src/snapshot_utils.rs

@@ -4,12 +4,10 @@ use bzip2::bufread::BzDecoder;
 use fs_extra::dir::CopyOptions;
 use log::*;
 use solana_measure::measure::Measure;
-use solana_runtime::{
-    bank::{self, deserialize_from_snapshot, Bank, MAX_SNAPSHOT_DATA_FILE_SIZE},
-    status_cache::SlotDelta,
+use solana_runtime::bank::{
+    self, deserialize_from_snapshot, Bank, BankSlotDelta, MAX_SNAPSHOT_DATA_FILE_SIZE,
 };
-use solana_sdk::transaction::Result as TransactionResult;
-use solana_sdk::{clock::Slot, transaction};
+use solana_sdk::clock::Slot;
 use std::{
     cmp::Ordering,
     fs::{self, File},
@@ -362,7 +360,7 @@ pub fn add_snapshot<P: AsRef<Path>>(snapshot_path: P, bank: &Bank) -> Result<Slo
 
 pub fn serialize_status_cache(
     slot: Slot,
-    slot_deltas: &[SlotDelta<TransactionResult<()>>],
+    slot_deltas: &[BankSlotDelta],
     snapshot_links: &TempDir,
 ) -> Result<()> {
     // the status cache is stored as snapshot_path/status_cache
@@ -549,8 +547,7 @@ where
         MAX_SNAPSHOT_DATA_FILE_SIZE,
         |stream| {
             info!("Rebuilding status cache...");
-            let slot_deltas: Vec<SlotDelta<transaction::Result<()>>> =
-                deserialize_from_snapshot(stream)?;
+            let slot_deltas: Vec<BankSlotDelta> = deserialize_from_snapshot(stream)?;
             Ok(slot_deltas)
         },
     )?;

runtime/src/bank.rs

@@ -67,6 +67,7 @@ pub const MAX_SNAPSHOT_DATA_FILE_SIZE: u64 = 32 * 1024 * 1024 * 1024; // 32 GiB
 pub const MAX_LEADER_SCHEDULE_STAKES: Epoch = 5;
 
 type BankStatusCache = StatusCache<Result<()>>;
+pub type BankSlotDelta = SlotDelta<Result<()>>;
 type TransactionAccountRefCells = Vec<Rc<RefCell<Account>>>;
 type TransactionLoaderRefCells = Vec<Vec<(Pubkey, RefCell<Account>)>>;
 
@@ -143,7 +144,7 @@ pub struct StatusCacheRc {
 }
 
 impl StatusCacheRc {
-    pub fn slot_deltas(&self, slots: &[Slot]) -> Vec<SlotDelta<Result<()>>> {
+    pub fn slot_deltas(&self, slots: &[Slot]) -> Vec<BankSlotDelta> {
         let sc = self.status_cache.read().unwrap();
         sc.slot_deltas(slots)
     }
@@ -159,7 +160,7 @@ impl StatusCacheRc {
             .collect()
     }
 
-    pub fn append(&self, slot_deltas: &[SlotDelta<Result<()>>]) {
+    pub fn append(&self, slot_deltas: &[BankSlotDelta]) {
         let mut sc = self.status_cache.write().unwrap();
         sc.append(slot_deltas);
     }