feat(v4): feed-health endpoint for pre-borrow oracle freshness gate#341
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feat(v4): feed-health endpoint for pre-borrow oracle freshness gate#341magpiecapital wants to merge 1 commit into
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Sprint Item 3 of 6 (feedback_v4_hardening_sprint_2026_06_17.md). GET /api/v1/v4/feed-health?mint=<base58> returns whether a token's V4 + default price feeds are fresh enough for a borrow to succeed. The site calls this BEFORE rendering the Borrow CTA — if the feed is cold (> 90s) or missing, the dashboard shows "Refreshing oracle…" and silently calls /api/v1/price/refresh instead of letting the user click Borrow into a StalePriceAttestation rejection on Phantom's wallet-side simulation. Three recommendation buckets the site UI can branch on: - "ready" — both feeds fresh, normal CTA - "refresh_recommended" — 60-90s old, fire refresh + still allow - "refresh_required" — > 90s or missing, hold CTA until refresh No mutations. Read-only allowlisted to enabled supported_mints (same DOS surface as /price/refresh). Safe to poll every few seconds while the borrow form is open. Per [[feedback_v4_hardening_sprint_2026_06_17]] Item 3. Pairs with the existing /api/v1/price/refresh (synchronous attest) and the 60s JIT attestation in cosign-borrow. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Sprint Item 3 of 6 (feedback_v4_hardening_sprint_2026_06_17.md).
GET /api/v1/v4/feed-health?mint=X returns whether a token's V4 + default price feeds are fresh enough for a borrow. Three recommendation buckets the site UI can branch on: ready / refresh_recommended / refresh_required. No mutations. Allowlisted to enabled supported_mints (same DOS posture as /price/refresh). Pairs with existing /api/v1/price/refresh + cosign-borrow JIT.