Add inactive accounts vote expiration feature
Old governence votes (proposals, witnesses) comming from accounts being inactive for defined period (proposed 1 year) should be eliminated.
- Expired votes are persistently deleted.
- Expired accounts have reset proxy.
- Virtual operation should be emitted to notify about account expiration.
- database_api methods should provide additional account property to show its expiration time.
- Account activity time should be updated on execution a proposal or witness vote.
Edited by Bartek Wrona