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Adds StartingSnapshotStorages to AccountsHashVerifier #58
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brooksprumo
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anza-xyz:master
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brooksprumo:fastboot/starting-snapshot-storages
Mar 4, 2024
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,19 @@ | ||
use {crate::accounts_db::AccountStorageEntry, std::sync::Arc}; | ||
|
||
/// Snapshot storages that the node loaded from | ||
/// | ||
/// This is used to support fastboot. Since fastboot reuses existing storages, we must carefully | ||
/// handle the storages used to load at startup. If we do not handle these storages properly, | ||
/// restarting from the same local state (i.e. bank snapshot) may fail. | ||
#[derive(Debug)] | ||
pub enum StartingSnapshotStorages { | ||
/// Starting from genesis has no storages yet | ||
Genesis, | ||
/// Starting from a snapshot archive always extracts the storages from the archive, so no | ||
/// special handling is necessary to preserve them. | ||
Archive, | ||
/// Starting from local state must preserve the loaded storages. These storages must *not* be | ||
/// recycled or removed prior to taking the next snapshot, otherwise restarting from the same | ||
/// bank snapshot may fail. | ||
Fastboot(Vec<Arc<AccountStorageEntry>>), | ||
} |
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ok,
fastboot_storages
already existed and is overwritten later in the existing code.