name_checkdb
Validates the name DB's consistency.
Roughly between blocks 139,000 and 180,000, this call is expected to fail due to the historic 'name stealing' bug.
Result:
true|false (boolean) whether the state is valid
Examples:
> spacexpanse-cli name_checkdb
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "name_checkdb", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:11998/