Struct solana_runtime::accounts_db::AccountsDb

pub struct AccountsDb {

    pub accounts_index: AccountsIndex<AccountInfo>,
    pub storage: AccountStorage,
    pub accounts_cache: AccountsCache,
    pub next_id: AtomicUsize,
    pub shrink_candidate_slots: Mutex<HashMap<Slot, HashMap<AppendVecId, Arc<AccountStorageEntry>>>>,
    pub shrink_candidate_slots_v1: Mutex<Vec<Slot>>,
    pub shrink_paths: RwLock<Option<Vec<PathBuf>>>,
    pub thread_pool: ThreadPool,
    pub thread_pool_clean: ThreadPool,
    pub bank_hashes: RwLock<HashMap<Slot, BankHashInfo>>,
    pub cluster_type: Option<ClusterType>,
    pub account_indexes: AccountSecondaryIndexes,
    pub caching_enabled: bool,
    // some fields omitted
}

Fields

accounts_index: AccountsIndex<AccountInfo>

Keeps tracks of index into AppendVec on a per slot basis

storage: AccountStorage

accounts_cache: AccountsCache

next_id: AtomicUsize

distribute the accounts across storage lists

shrink_candidate_slots: Mutex<HashMap<Slot, HashMap<AppendVecId, Arc<AccountStorageEntry>>>>

Set of shrinkable stores organized by map of slot to append_vec_id

shrink_candidate_slots_v1: Mutex<Vec<Slot>>

Legacy shrink slots to support non-cached code-path.

shrink_paths: RwLock<Option<Vec<PathBuf>>>

thread_pool: ThreadPool

Thread pool used for par_iter

thread_pool_clean: ThreadPool

bank_hashes: RwLock<HashMap<Slot, BankHashInfo>>

cluster_type: Option<ClusterType>

account_indexes: AccountSecondaryIndexes

caching_enabled: bool

Implementations

impl AccountsDb

pub fn new(paths: Vec<PathBuf>, cluster_type: &ClusterType) -> Self

pub fn new_with_config(
    paths: Vec<PathBuf>,
    cluster_type: &ClusterType,
    account_indexes: AccountSecondaryIndexes,
    caching_enabled: bool
) -> Self

pub fn set_shrink_paths(&self, paths: Vec<PathBuf>)

pub fn file_size(&self) -> u64

pub fn new_single() -> Self

pub fn expected_cluster_type(&self) -> ClusterType

pub fn clean_accounts(&self, max_clean_root: Option<Slot>)

pub fn shrink_candidate_slots(&self) -> usize

pub fn shrink_all_slots(&self)

pub fn scan_accounts<F, A>(&self, ancestors: &Ancestors, scan_func: F) -> A where
    F: Fn(&mut A, Option<(&Pubkey, AccountSharedData, Slot)>),
    A: Default, 

pub fn unchecked_scan_accounts<F, A>(
    &self,
    metric_name: &'static str,
    ancestors: &Ancestors,
    scan_func: F
) -> A where
    F: Fn(&mut A, (&Pubkey, LoadedAccount<'_>, Slot)),
    A: Default, 

pub fn range_scan_accounts<F, A, R>(
    &self,
    metric_name: &'static str,
    ancestors: &Ancestors,
    range: R,
    scan_func: F
) -> A where
    F: Fn(&mut A, Option<(&Pubkey, AccountSharedData, Slot)>),
    A: Default,
    R: RangeBounds<Pubkey>, 

pub fn index_scan_accounts<F, A>(
    &self,
    ancestors: &Ancestors,
    index_key: IndexKey,
    scan_func: F
) -> (A, bool) where
    F: Fn(&mut A, Option<(&Pubkey, AccountSharedData, Slot)>),
    A: Default, 

pub fn scan_account_storage<R, B>(
    &self,
    slot: Slot,
    cache_map_func: impl Fn(LoadedAccount<'_>) -> Option<R> + Sync,
    storage_scan_func: impl Fn(&B, LoadedAccount<'_>) + Sync
) -> ScanStorageResult<R, B> where
    R: Send,
    B: Send + Default + Sync, 

Scan a specific slot through all the account storage in parallel

pub fn set_hash(&self, slot: Slot, parent_slot: Slot)

pub fn load(
    &self,
    ancestors: &Ancestors,
    pubkey: &Pubkey
) -> Option<(AccountSharedData, Slot)>

pub fn load_account_hash(&self, ancestors: &Ancestors, pubkey: &Pubkey) -> Hash

pub fn load_slow(
    &self,
    ancestors: &Ancestors,
    pubkey: &Pubkey
) -> Option<(AccountSharedData, Slot)>

pub fn purge_slot(&self, slot: Slot)

pub fn remove_unrooted_slot(&self, remove_slot: Slot)

pub fn hash_stored_account(
    slot: Slot,
    account: &StoredAccountMeta<'_>,
    cluster_type: &ClusterType
) -> Hash

pub fn hash_account(
    slot: Slot,
    account: &AccountSharedData,
    pubkey: &Pubkey,
    cluster_type: &ClusterType
) -> Hash

pub fn hash_account_data(
    slot: Slot,
    lamports: u64,
    owner: &Pubkey,
    executable: bool,
    rent_epoch: Epoch,
    data: &[u8],
    pubkey: &Pubkey,
    include_owner: bool
) -> Hash

pub fn blake3_hash_account_data(
    slot: Slot,
    lamports: u64,
    owner: &Pubkey,
    executable: bool,
    rent_epoch: Epoch,
    data: &[u8],
    pubkey: &Pubkey,
    include_owner: bool
) -> Hash

pub fn mark_slot_frozen(&self, slot: Slot)

pub fn expire_old_recycle_stores(&self)

pub fn flush_accounts_cache(
    &self,
    force_flush: bool,
    requested_flush_root: Option<Slot>
)

pub fn checked_iterative_sum_for_capitalization(
    total_cap: u64,
    new_cap: u64
) -> u64

pub fn checked_sum_for_capitalization<T: Iterator<Item = u64>>(
    balances: T
) -> u64

pub fn account_balance_for_capitalization(
    lamports: u64,
    _owner: &Pubkey,
    _executable: bool
) -> u64

pub fn get_accounts_hash(&self, slot: Slot) -> Hash

pub fn update_accounts_hash(
    &self,
    slot: Slot,
    ancestors: &Ancestors
) -> (Hash, u64)

pub fn update_accounts_hash_test(
    &self,
    slot: Slot,
    ancestors: &Ancestors
) -> (Hash, u64)

pub fn update_accounts_hash_with_index_option(
    &self,
    use_index: bool,
    debug_verify: bool,
    slot: Slot,
    ancestors: &Ancestors,
    expected_capitalization: Option<u64>
) -> (Hash, u64)

pub fn calculate_accounts_hash_without_index(
    storages: &[SnapshotStorage],
    thread_pool: Option<&ThreadPool>
) -> (Hash, u64)

pub fn verify_bank_hash_and_lamports(
    &self,
    slot: Slot,
    ancestors: &Ancestors,
    total_lamports: u64
) -> Result<(), BankHashVerificationError>

pub fn get_accounts_delta_hash(&self, slot: Slot) -> Hash

pub fn store_cached(
    &self,
    slot: Slot,
    accounts: &[(&Pubkey, &AccountSharedData)]
)

pub fn store_uncached(
    &self,
    slot: Slot,
    accounts: &[(&Pubkey, &AccountSharedData)]
)

Store the account update.

pub fn add_root(&self, slot: Slot)

pub fn get_snapshot_storages(&self, snapshot_slot: Slot) -> SnapshotStorages

pub fn generate_index(&self)

impl AccountsDb

Legacy shrink functions to support non-cached path. Should be able to be deleted after cache path is the only path.

pub fn process_stale_slot_v1(&self) -> usize

Trait Implementations

impl Debug for AccountsDb

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for AccountsDb

fn default() -> Self

Returns the “default value” for a type.