This PR offers two more database sub commands for exporting and importing data.
Two exporters are implemented: preimage and snapshot data respectively.
The import command is generic, it can take any data export and import into leveldb.
The data format has a 'magic' for disambiguation, and a version field for future compatibility.
Adds suppor for passing regular strings to db `put`/`get`/`delete`, to avoid having to hex-encode when operating on fixed-key items like `SnapshotSyncStatus`, `SnapshotRecovery` etc.
Signed-off-by: Maxim Zhiburt <zhiburt@gmail.com>
Co-authored-by: Martin Holst Swende <martin@swende.se>
This PR introduces:
- db.put to put a value into the database
- db.get to read a value from the database
- db.delete to delete a value from the database
- db.stats to check compaction info from the database
- db.compact to trigger a db compaction
It also moves inspectdb to db.inspect.
