AddSubtrees

zebra_state::service::finalized_state::disk_format::upgrade::add_subtrees

Struct AddSubtrees 

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pub struct AddSubtrees;
Expand description

Implements DiskFormatUpgrade for populating Sapling and Orchard note commitment subtrees.

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impl DiskFormatUpgrade for AddSubtrees

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fn run( &self, initial_tip_height: Height, upgrade_db: &ZebraDb, cancel_receiver: &Receiver<CancelFormatChange>, ) -> Result<(), CancelFormatChange>

Runs disk format upgrade for adding Sapling and Orchard note commitment subtrees to database.

Trees are added to the database in reverse height order, so that wallets can sync correctly while the upgrade is running.

Returns Ok if the upgrade completed, and Err if it was cancelled.

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fn version(&self) -> Version

Returns the version at which this upgrade is applied.
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fn description(&self) -> &'static str

Returns the description of this upgrade.
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fn prepare( &self, initial_tip_height: Height, upgrade_db: &ZebraDb, cancel_receiver: &Receiver<CancelFormatChange>, older_disk_version: &Version, ) -> Result<(), CancelFormatChange>

Prepare for disk format upgrade.
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fn validate( &self, db: &ZebraDb, cancel_receiver: &Receiver<CancelFormatChange>, ) -> Result<Result<(), String>, CancelFormatChange>

Check that state has been upgraded to this format correctly. Read more
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fn needs_migration(&self) -> bool

Returns true if the DiskFormatUpgrade needs to run a migration on existing data in the db.
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fn is_reusable_major_upgrade(&self) -> bool

Returns true if the upgrade is a major upgrade that can reuse the cache in the previous major db format version.

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