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Implement key analytics snapshot indexer and historical data REST API #1112
Description
Summary
Index SnapshotTaken contract events and expose REST endpoints for daily snapshot history per key, used to power the historical performance charts on the frontend.
Scope
- Indexer processes SnapshotTaken events into key_snapshots table
- GET /keys/:key_id/snapshots?range=7d|30d|90d|all — returns array of daily metric snapshots
- Each snapshot: date, price, volume, holder_count, market_cap
- Range param filters from current date backward
- Response cached for 5 minutes; invalidated on new SnapshotTaken event
Acceptance Criteria
- SnapshotTaken events indexed with all four metrics
- Snapshots endpoint returns correct data for all supported ranges
- Empty array returned for keys with no snapshots yet
- Cache invalidates correctly on new snapshot event
- Response time under 200ms for cached requests
ETA
12 hours
Activity
rupesh-kumar-sah commentedon Oct 19, 2026
Hi maintainers,
I reviewed "Implement key analytics snapshot indexer and historical data REST API" and have a structured approach ready for implementation:
I have reviewed the problem description and acceptance criteria for this issue. I have a clear, tested implementation ready with defensive error handling and 100% green CI proof.
I will deliver a clean, well-tested, and production-ready PR promptly upon assignment. Kindly assign this issue to me.
Thank you!
danielchukuma-dev commentedon Oct 19, 2026
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jerrzxy commentedon Oct 19, 2026
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sksneh commentedon Oct 19, 2026
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bashir347 commentedon Oct 19, 2026
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shinorh247 commentedon Oct 19, 2026
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drips-wave commentedon Oct 19, 2026
Congratulations, @shinorh247! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on October 22, 2026.
🧑💻 @shinorh247: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.
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feat(keys): index SnapshotTaken events and serve GET /keys/:key_id/sn…
grantfox-oss commentedon Oct 27, 2026
🎉 This issue has been marked as completed on GrantFox!
@shinorh247's PR #1212 was approved and merged by @Chucks1093.
🏆 @shinorh247: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (105 total points). Track your full progress on GrantFox.
👏 Great work, @shinorh247! Keep contributing to accesslayerorg.
drips-wave commentedon Oct 27, 2026
This issue has been completed by @shinorh247 as part of the Stellar Wave Program's 10th Wave 🥳
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