Alpha and hotkey storage maps accumulate persistent zero-valued entries

[Miracle0524]

Alpha and hotkey storage maps accumulate persistent zero-valued entries

Summary

Coldkey and hotkey swap logic inserts zero-valued entries into Alpha-related storage maps, which persist indefinitely.

Problem

• Zero-valued entries are inserted without checks.
• Entries persist unless explicitly cleaned by stake activity.
• A significant portion of Alpha storage contains zero values.

Evidence

• ~52% of Alpha entries are zero-valued.
• A single coldkey swap produced ~18k zero entries.
• Fetching Alpha requires ~150MB of keys.

Expected Outcome

• Zero-valued entries should not be inserted.
• Existing zero entries should be purged during a runtime upgrade.
• Storage size and query performance should improve.

Context

Filed at the request of Rhef for tracking and prioritization.

[bittoby]

Can I pick this up?

[Miracle0524]

Are you from OTF?

[bittoby]

Are you from OTF?

No. I'm a community contributor. Happy to help though

[Miracle0524]

If so, sure.

[bittoby]

Hi, @sam0x17 @open-junius Is it okay I work on this?

[open-junius]

@bittoby It is ok for me. we should add check before insert value to these maps. you make a PR, then I can review. thanks

[open-junius]

@bittoby Did you start the PR? If not, I can create one, then you help to review.

[Miracle0524]

@open-junius I can do this ticket.
This is my issue and I'll do this.

[open-junius]

@open-junius I can do this ticket. This is my issue and I'll do this.

you can continue with #2509. or create a new one, it is up to you.

[bittoby]

@Miracle0524 If possible, may I work on this? 🙏 I'd love to contribute
thanks

[Miracle0524]

@Miracle0524 If possible, may I work on this? 🙏 I'd love to contribute thanks

Sure, I have other tickets too.
You can work on this ticket.

[bittoby]

Thanks!