As a user, I need to be able to get the information about the created account even if the account is revoked

[ashcherbakov]

Currently revoked accounts are removed from the state. But all the entities created by this account are considered as valid, but with unknown owner/creator.
As a user, I need to be able to get the information about the creator account even if the account is revoked.

Options:

• O1: Add a new entity RevokedAccount. Create a new Revoked Account when deleting an Account. Support queries for RevokedAccount(s).
• O2: Add a revoked flag for the current Account entity. Toggle the flag on revocation instead of removing the account.

Notes

1. We need to make sure that it's not possible to send a transaction signed by a revoked account.
2. We need to support re-adding of a revoked account (via a usual propose/approve account requests). So, the chosen option must support it.

[abdulla-ashurov]

Plan regarding Note 1:

1. Add a new entity for saving Revoked Account
2. When revoking an account, if we get enough votes for deletion, then that account will be saved in map Revoked Account, then we revoked that account.
3. Add query for getting specific revoked accounts and all revoked accounts.

[abdulla-ashurov]

Plan regarding Note 2:

1. Use for re-adding of revoked account existing API:
   1. propose-add-account
   2. approve-add-account
2. When we have enough votes for approve-add-account we should revoke that account from entity RevokedAccount(map)

[hawk248]

Post Mainnet 1.0