Feature request: subscribing to storage changes
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- Dominant language
- Rust
- Stars
- 489
- Forks
- 293
- Avg merge
- 18h 35m
- Merged PRs (30d)
- 3
Description
Substrate provides state_subscribeStorage to subscribe to storage changes. It would be great if subxt could expose this. I'm not sure how the api would look - maybe something like api.subscribe_storage().timestamp().now(). It shouldn't be super difficult to implement, I think, although I'm not sure how listening only to finalized changes could best be implemented.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with Substrate's state_subscribeStorage entry point and compare its behavior with the proposed api.subscribe_storage().timestamp().now() shape. Define how storage subscriptions should be exposed and how listening only to finalized changes should work; the feature is done when those API and finalization semantics are settled and implemented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- api, backend-api-design
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100