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Update bsip-0040.md

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Stefan Schießl 2018-08-10 07:26:10 +02:00 committed by GitHub
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@ -186,20 +186,6 @@ Note:
- The actual active authority of a required account can still be given as before, existing behavior is not to be changed
- This for illustration, not actual implementation instructions
### Economics
Adding a custom active authority means increased effort for the backend, and with a stateful one also the need for more storage. Proposed transaction fees:
- `install_custom_active_authority`: Normal accounts can only create custom active authoritites with a duration of maximum 1 year, LTM can do any duration. Two options come to mind:
- A fixed high fee independent of authorities content
- Tied to the duration and complexity of the custom active authority. Transaction fee is then `fee = flat_fee + basic_fee * duration` where `basic_fee` is calculated according to complexity (e.g. size of authority, number of restrictions and etc.). Fee is capped at 1 year for LTM, `duration` refers to the time that is still left, not the actual duration
(i.e. `date_to - max(now, date_from)`)
- `update_custom_active_authority`: Base fee similar to `account_update` plus dynamic one for any duration changes, no payback if duration in decreased.
- `delete_custom_active_authority`: Cheap similar to `limit_order_cancel`
This logic forces the user to think about the desired duration and enforces to put it rather too short than too long.
If a custom active is expired, or considered to be too short, extending it is easily doable.
After expired, the custom active becomes disabled and can still be enabled again with a new period, paying the fee for that new period.
### Modification to the backend
* Add a new index or extend the account object to store custom active permission are assigned to an account and contain a list of custom active authorities. Multiple custom active authority entries are possible for one operation
@ -213,6 +199,21 @@ After expired, the custom active becomes disabled and can still be enabled again
Notes: The implementation must not differentiate on which operation the custom active authority is applied, all operations are treated in same fashion
# Economics
Adding a custom active authority means increased effort for the backend, and with a stateful one also the need for more storage. Proposed transaction fees:
- `install_custom_active_authority`: Normal accounts can only create custom active authoritites with a duration of maximum 1 year, LTM can do any duration. Two options come to mind:
- A fixed high fee independent of authorities content
- Tied to the duration and complexity of the custom active authority. Transaction fee is then `fee = flat_fee + basic_fee * duration` where `basic_fee` is calculated according to complexity (e.g. size of authority, number of restrictions and etc.). Fee is capped at 1 year for LTM, `duration` refers to the time that is still left, not the actual duration
(i.e. `date_to - max(now, date_from)`)
- `update_custom_active_authority`: Base fee similar to `account_update` plus dynamic one for any duration changes, no payback if duration in decreased.
- `delete_custom_active_authority`: Cheap similar to `limit_order_cancel`
This logic forces the user to think about the desired duration and enforces to put it rather too short than too long.
If a custom active is expired, or considered to be too short, extending it is easily doable.
After expired, the custom active becomes disabled and can still be enabled again with a new period, paying the fee for that new period.
# Discussion
To be found in the [issue](https://github.com/bitshares/bitshares-core/issues/1061) and [pull request](https://github.com/bitshares/bsips/pull/86).