wangjj9219

need to override the default impl of `Unbalanced::increase_balance` to support `DustRemovalWhitelist`, currently blocked by https://github.com/paritytech/substrate/pull/14388

already tested origins `WhitelistedCaller`, `ReferendumCanceller`, `ReferendumKiller`. Currently `GeneralAdmin`/`GeneralAdminOrRoot` is not configured for any Origin of pallet::Config

## liquidation ratio for CDP related: + field `liquidation_ratio ` of `RiskManagementParams ` reasonable bounded for liquidation ratio: + min: 0% + max: Ratio::max() + max change abs: 50% ##...

Now, as long as the `reserve_amount` is not zero, even if `free_balance` is zero, the account will not be dusted. But reserve operation may fail for provider/consumer: if an account...

> should also integrate with nominees-election to allow LDOT holders to elect validators reviewed the designs of `nominee-election` and `homa-validator-list`. They are similar. It seems that `nominee-election` is an earlier...

> This is the intended usage: > > Validators what wish to become LDOT validators needs to register themselves using `homa-validator-list` and provide insurance deposit. > > Then LDOT holders...