Move SnapshotConfig into its own module (#18331)

Also move ArchiveFormat to snapshot_utils, and do not
reexport SnapshotVersion.

core/src/accounts_hash_verifier.rs

@@ -217,8 +217,7 @@ impl AccountsHashVerifier {
 mod tests {
     use super::*;
     use solana_gossip::{cluster_info::make_accounts_hashes_message, contact_info::ContactInfo};
-    use solana_runtime::bank_forks::ArchiveFormat;
-    use solana_runtime::snapshot_utils::SnapshotVersion;
+    use solana_runtime::snapshot_utils::{ArchiveFormat, SnapshotVersion};
     use solana_sdk::{
         hash::hash,
         signature::{Keypair, Signer},

core/src/snapshot_packager_service.rs

@@ -78,9 +78,8 @@ mod tests {
     use solana_runtime::{
         accounts_db::AccountStorageEntry,
         bank::BankSlotDelta,
-        bank_forks::ArchiveFormat,
         snapshot_package::AccountsPackage,
-        snapshot_utils::{self, SnapshotVersion, SNAPSHOT_STATUS_CACHE_FILE_NAME},
+        snapshot_utils::{self, ArchiveFormat, SnapshotVersion, SNAPSHOT_STATUS_CACHE_FILE_NAME},
     };
     use solana_sdk::hash::Hash;
     use std::{

core/src/test_validator.rs

@@ -6,10 +6,10 @@ use {
     solana_net_utils::PortRange,
     solana_rpc::rpc::JsonRpcConfig,
     solana_runtime::{
-        bank_forks::{ArchiveFormat, SnapshotConfig, SnapshotVersion},
         genesis_utils::create_genesis_config_with_leader_ex,
         hardened_unpack::MAX_GENESIS_ARCHIVE_UNPACKED_SIZE,
-        snapshot_utils::DEFAULT_MAX_SNAPSHOTS_TO_RETAIN,
+        snapshot_config::SnapshotConfig,
+        snapshot_utils::{ArchiveFormat, SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
     },
     solana_sdk::{
         account::{Account, AccountSharedData},

core/src/tvu.rs

@@ -38,8 +38,9 @@ use solana_runtime::{
         AbsRequestHandler, AbsRequestSender, AccountsBackgroundService, SnapshotRequestHandler,
     },
     accounts_db::AccountShrinkThreshold,
-    bank_forks::{BankForks, SnapshotConfig},
+    bank_forks::BankForks,
     commitment::BlockCommitmentCache,
+    snapshot_config::SnapshotConfig,
     vote_sender_types::ReplayVoteSender,
 };
 use solana_sdk::{pubkey::Pubkey, signature::Keypair};

core/src/validator.rs

@@ -57,9 +57,10 @@ use solana_runtime::{
     accounts_db::AccountShrinkThreshold,
     accounts_index::AccountSecondaryIndexes,
     bank::Bank,
-    bank_forks::{BankForks, SnapshotConfig},
+    bank_forks::BankForks,
     commitment::BlockCommitmentCache,
     hardened_unpack::{open_genesis_config, MAX_GENESIS_ARCHIVE_UNPACKED_SIZE},
+    snapshot_config::SnapshotConfig,
 };
 use solana_sdk::{
     clock::Slot,

core/tests/snapshots.rs

@@ -46,10 +46,10 @@ mod tests {
         accounts_db,
         accounts_index::AccountSecondaryIndexes,
         bank::{Bank, BankSlotDelta},
-        bank_forks::{ArchiveFormat, BankForks, SnapshotConfig},
+        bank_forks::BankForks,
         genesis_utils::{create_genesis_config, GenesisConfigInfo},
-        snapshot_utils,
-        snapshot_utils::{SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
+        snapshot_config::SnapshotConfig,
+        snapshot_utils::{self, ArchiveFormat, SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
         status_cache::MAX_CACHE_ENTRIES,
     };
     use solana_sdk::{

download-utils/src/lib.rs

@@ -2,7 +2,7 @@
 use console::Emoji;
 use indicatif::{ProgressBar, ProgressStyle};
 use log::*;
-use solana_runtime::{bank_forks::ArchiveFormat, snapshot_utils};
+use solana_runtime::{snapshot_utils, snapshot_utils::ArchiveFormat};
 use solana_sdk::{clock::Slot, genesis_config::DEFAULT_GENESIS_ARCHIVE, hash::Hash};
 use std::fs::{self, File};
 use std::io;

ledger-tool/src/main.rs

@@ -27,10 +27,10 @@ use solana_ledger::{
 };
 use solana_runtime::{
     bank::{Bank, RewardCalculationEvent},
-    bank_forks::{ArchiveFormat, BankForks, SnapshotConfig},
+    bank_forks::BankForks,
     hardened_unpack::{open_genesis_config, MAX_GENESIS_ARCHIVE_UNPACKED_SIZE},
-    snapshot_utils,
-    snapshot_utils::{SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
+    snapshot_config::SnapshotConfig,
+    snapshot_utils::{self, ArchiveFormat, SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
 };
 use solana_sdk::{
     account::{AccountSharedData, ReadableAccount, WritableAccount},

ledger/src/bank_forks_utils.rs

@@ -9,8 +9,9 @@ use crate::{
 };
 use log::*;
 use solana_runtime::{
-    bank_forks::{ArchiveFormat, BankForks, SnapshotConfig},
-    snapshot_utils,
+    bank_forks::BankForks,
+    snapshot_config::SnapshotConfig,
+    snapshot_utils::{self, ArchiveFormat},
 };
 use solana_sdk::{clock::Slot, genesis_config::GenesisConfig, hash::Hash};
 use std::{fs, path::PathBuf, process, result};

local-cluster/tests/local_cluster.rs

@@ -37,8 +37,8 @@ use solana_local_cluster::{
     validator_configs::*,
 };
 use solana_runtime::{
-    bank_forks::{ArchiveFormat, SnapshotConfig},
-    snapshot_utils,
+    snapshot_config::SnapshotConfig,
+    snapshot_utils::{self, ArchiveFormat},
 };
 use solana_sdk::{
     account::AccountSharedData,

rpc/src/rpc.rs

@@ -44,10 +44,11 @@ use {
         accounts::AccountAddressFilter,
         accounts_index::{AccountIndex, AccountSecondaryIndexes, IndexKey},
         bank::Bank,
-        bank_forks::{BankForks, SnapshotConfig},
+        bank_forks::BankForks,
         commitment::{BlockCommitmentArray, BlockCommitmentCache, CommitmentSlots},
         inline_spl_token_v2_0::{SPL_TOKEN_ACCOUNT_MINT_OFFSET, SPL_TOKEN_ACCOUNT_OWNER_OFFSET},
         non_circulating_supply::calculate_non_circulating_supply,
+        snapshot_config::SnapshotConfig,
         snapshot_utils::get_highest_snapshot_archive_path,
     },
     solana_sdk::{

rpc/src/rpc_service.rs

@@ -23,8 +23,7 @@ use {
     solana_metrics::inc_new_counter_info,
     solana_poh::poh_recorder::PohRecorder,
     solana_runtime::{
-        bank_forks::{BankForks, SnapshotConfig},
-        commitment::BlockCommitmentCache,
+        bank_forks::BankForks, commitment::BlockCommitmentCache, snapshot_config::SnapshotConfig,
         snapshot_utils,
     },
     solana_sdk::{
@@ -490,8 +489,8 @@ mod tests {
             get_tmp_ledger_path,
         },
         solana_runtime::{
-            bank::Bank, bank_forks::ArchiveFormat, snapshot_utils::SnapshotVersion,
-            snapshot_utils::DEFAULT_MAX_SNAPSHOTS_TO_RETAIN,
+            bank::Bank,
+            snapshot_utils::{ArchiveFormat, SnapshotVersion, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
         },
         solana_sdk::{
             genesis_config::{ClusterType, DEFAULT_GENESIS_ARCHIVE},

runtime/src/accounts_background_service.rs

@@ -4,7 +4,8 @@
 
 use crate::{
     bank::{Bank, BankSlotDelta, DropCallback},
-    bank_forks::{BankForks, SnapshotConfig},
+    bank_forks::BankForks,
+    snapshot_config::SnapshotConfig,
     snapshot_package::AccountsPackageSender,
     snapshot_utils,
 };

runtime/src/bank_forks.rs

@@ -3,6 +3,7 @@
 use crate::{
     accounts_background_service::{AbsRequestSender, SnapshotRequest},
     bank::Bank,
+    snapshot_config::SnapshotConfig,
 };
 use log::*;
 use solana_metrics::inc_new_counter_info;
@@ -10,41 +11,10 @@ use solana_sdk::{clock::Slot, hash::Hash, timing};
 use std::{
     collections::{hash_map::Entry, HashMap, HashSet},
     ops::Index,
-    path::PathBuf,
     sync::Arc,
     time::Instant,
 };
 
-pub use crate::snapshot_utils::SnapshotVersion;
-
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
-pub enum ArchiveFormat {
-    TarBzip2,
-    TarGzip,
-    TarZstd,
-    Tar,
-}
-
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct SnapshotConfig {
-    // Generate a new snapshot every this many slots
-    pub snapshot_interval_slots: u64,
-
-    // Where to store the latest packaged snapshot
-    pub snapshot_package_output_path: PathBuf,
-
-    // Where to place the snapshots for recent slots
-    pub snapshot_path: PathBuf,
-
-    pub archive_format: ArchiveFormat,
-
-    // Snapshot version to generate
-    pub snapshot_version: SnapshotVersion,
-
-    // Maximum number of snapshots to retain
-    pub maximum_snapshots_to_retain: usize,
-}
-
 pub struct BankForks {
     banks: HashMap<Slot, Arc<Bank>>,
     descendants: HashMap<Slot, HashSet<Slot>>,

runtime/src/lib.rs

@@ -33,6 +33,7 @@ mod read_only_accounts_cache;
 pub mod rent_collector;
 pub mod secondary_index;
 pub mod serde_snapshot;
+pub mod snapshot_config;
 pub mod snapshot_package;
 pub mod snapshot_runtime_info;
 pub mod snapshot_utils;

runtime/src/snapshot_config.rs

@@ -0,0 +1,26 @@
+use crate::snapshot_utils::ArchiveFormat;
+use crate::snapshot_utils::SnapshotVersion;
+use solana_sdk::clock::Slot;
+use std::path::PathBuf;
+
+/// Snapshot configuration and runtime information
+#[derive(Clone, Debug)]
+pub struct SnapshotConfig {
+    /// Generate a new snapshot every this many slots
+    pub snapshot_interval_slots: Slot,
+
+    /// Where to store the latest packaged snapshot
+    pub snapshot_package_output_path: PathBuf,
+
+    /// Where to place the snapshots for recent slots
+    pub snapshot_path: PathBuf,
+
+    /// The archive format to use for snapshots
+    pub archive_format: ArchiveFormat,
+
+    /// Snapshot version to generate
+    pub snapshot_version: SnapshotVersion,
+
+    /// Maximum number of snapshots to retain
+    pub maximum_snapshots_to_retain: usize,
+}

runtime/src/snapshot_package.rs

@@ -1,5 +1,4 @@
-use crate::bank_forks::ArchiveFormat;
-use crate::snapshot_utils::SnapshotVersion;
+use crate::snapshot_utils::{ArchiveFormat, SnapshotVersion};
 use crate::{accounts_db::SnapshotStorages, bank::BankSlotDelta};
 use solana_sdk::clock::Slot;
 use solana_sdk::genesis_config::ClusterType;

runtime/src/snapshot_utils.rs

@@ -3,7 +3,6 @@ use {
         accounts_db::{AccountShrinkThreshold, AccountsDb},
         accounts_index::AccountSecondaryIndexes,
         bank::{Bank, BankSlotDelta, Builtins},
-        bank_forks::ArchiveFormat,
         hardened_unpack::{unpack_snapshot, ParallelSelector, UnpackError, UnpackedAppendVecMap},
         serde_snapshot::{
             bank_from_stream, bank_to_stream, SerdeStyle, SnapshotStorage, SnapshotStorages,
@@ -103,6 +102,15 @@ impl SnapshotVersion {
     }
 }
 
+/// The different archive formats used for snapshots
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+pub enum ArchiveFormat {
+    TarBzip2,
+    TarGzip,
+    TarZstd,
+    Tar,
+}
+
 #[derive(PartialEq, Eq, Debug)]
 pub struct SlotSnapshotPaths {
     pub slot: Slot,

validator/src/main.rs

@@ -46,9 +46,12 @@ use {
         accounts_index::{
             AccountIndex, AccountSecondaryIndexes, AccountSecondaryIndexesIncludeExclude,
         },
-        bank_forks::{ArchiveFormat, SnapshotConfig, SnapshotVersion},
         hardened_unpack::MAX_GENESIS_ARCHIVE_UNPACKED_SIZE,
-        snapshot_utils::{get_highest_snapshot_archive_path, DEFAULT_MAX_SNAPSHOTS_TO_RETAIN},
+        snapshot_config::SnapshotConfig,
+        snapshot_utils::{
+            get_highest_snapshot_archive_path, ArchiveFormat, SnapshotVersion,
+            DEFAULT_MAX_SNAPSHOTS_TO_RETAIN,
+        },
     },
     solana_sdk::{
         clock::{Slot, DEFAULT_S_PER_SLOT},