Class SystemUndeleteTransaction


@Deprecated public final class SystemUndeleteTransaction extends Transaction<SystemUndeleteTransaction>
Deprecated.
This transaction is obsolete, not supported, and SHALL fail with a pre-check result of `NOT_SUPPORTED`. Recover a file or contract bytecode deleted from the Hedera File System (HFS) by a `systemDelete` transaction. > Note >> A system delete/undelete for a `contractID` is not supported and >> SHALL return `INVALID_FILE_ID` or `MISSING_ENTITY_ID`. This transaction can _only_ recover a file removed with the `systemDelete` transaction. A file deleted via `fileDelete` SHALL be irrecoverable.
This transaction MUST be signed by an Hedera administrative ("system") account. ### What is a "system" file A "system" file is any file with a file number less than or equal to the current configuration value for `ledger.numReservedSystemEntities`, typically `750`. ### Block Stream Effects None