feat: chronical oracle

[antoncoding]

Summary by CodeRabbit

Release Notes

• New Features
  • Added support for Chronicle as an oracle vendor for price feeds
  • Feeds from Chronicle now display with vendor-specific metadata, including risk tier, update intervals, and spread information
  • Oracle feed tooltips now dynamically render vendor-specific details and icons
  • Users can access vendor-specific external links to view feed information on the appropriate platform

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Project	Deployment	Actions	Updated (UTC)
monarch	Ready	Preview, Comment	Apr 15, 2026 0:20am

[coderabbitai]

📝 Walkthrough

Walkthrough

Added Chronicle as an oracle vendor option with vendor-aware logic across metadata, utilities, and feed tooltip components. The system now dynamically detects vendors, selects vendor-specific icons/URLs, and renders vendor-dependent fields in the feed details tooltip.

Changes

Cohort / File(s)	Summary
Vendor Infrastructure src/utils/oracle.ts	Added Chronicle vendor enum value, corresponding icon mapping, provider-to-vendor detection logic, and getChronicleFeedUrl() helper function.
Metadata Types src/hooks/useOracleMetadata.ts	Extended EnrichedFeed type with optional Chronicle-specific fields: riskTier, updateInterval, updateSpread.
Feed UI Components src/features/markets/components/oracle/MarketOracle/ChainlinkFeedTooltip.tsx, src/features/markets/components/oracle/MarketOracle/FeedEntry.tsx	Updated tooltip to use vendor-aware rendering for asset names, icons, external links, and interval/risk/spread fields; routed Chronicle feeds to Chainlink tooltip handler.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• feat: add API3 oracle feed support #408: Modifies same oracle vendor infrastructure (enum, icons) and updates FeedEntry tooltip routing.
• feta: add pendle linear discount feed #389: Extends oracle metadata and vendor-detection code paths to handle new vendors.
• feat: midas oracles #493: Adds new oracle vendor support with vendor-aware logic updates throughout the feed system.

Suggested labels

feature request, ui

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Title check	❓ Inconclusive	The title mentions 'chronical' but the PR adds Chronicle oracle support; this appears to be a typo for 'Chronicle'. The title is vague and doesn't clearly describe the main changes.	Clarify the title to 'feat: add Chronicle oracle support' or similar to accurately reflect the feature being added.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/chronicole

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[coderabbitai]

🧹 Nitpick comments (1)

src/utils/oracle.ts (1)

76-82: Detect Chronicle from Chronicle-specific fields too, not only provider text.

Right now Chronicle detection depends on provider matching. If scanner emits Chronicle fields with empty/null provider, these feeds will fall back to Unknown.

♻️ Suggested hardening

 export function detectFeedVendorFromMetadata(feed: EnrichedFeed | null | undefined): FeedVendorResult {
   if (!feed) {
@@
   const isPendleFeed =
     feed.pendleFeedKind != null ||
     feed.pendleFeedSubtype != null ||
     feed.baseDiscountPerYear != null ||
     feed.pt != null ||
     feed.ptSymbol != null;
-  const vendor = isPendleFeed ? PriceFeedVendors.Pendle : mapProviderToVendor(feed.provider);
+  const isChronicleFeed =
+    feed.riskTier != null ||
+    feed.updateInterval != null ||
+    feed.updateSpread != null;
+  const vendor = isPendleFeed
+    ? PriceFeedVendors.Pendle
+    : isChronicleFeed
+      ? PriceFeedVendors.Chronicle
+      : mapProviderToVendor(feed.provider);

As per coding guidelines: "Oracle vendor/type/feed classification must resolve from scanner metadata source keyed by chainId+oracleAddress; do not use Morpho API oracles enrichment as fallback".

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@src/utils/oracle.ts` around lines 76 - 82, The current vendor detection only
checks normalizedProvider string (lines using normalizedProvider and the mapping
to PriceFeedVendors) so Chronicle feeds with empty/null provider slip through;
update the vendor-detection logic in the oracle classification function to also
inspect the scanner metadata (the record keyed by chainId+oracleAddress) for
Chronicle-specific fields (e.g., any chronicle-prefixed keys or known Chronicle
payload fields) and return PriceFeedVendors.Chronicle when those fields are
present; ensure you reference PriceFeedVendors and normalizedProvider in the
same function and do not fall back to Morpho API enrichment—determine vendor
solely from the scanner metadata source.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Nitpick comments:
In `@src/utils/oracle.ts`:
- Around line 76-82: The current vendor detection only checks normalizedProvider
string (lines using normalizedProvider and the mapping to PriceFeedVendors) so
Chronicle feeds with empty/null provider slip through; update the
vendor-detection logic in the oracle classification function to also inspect the
scanner metadata (the record keyed by chainId+oracleAddress) for
Chronicle-specific fields (e.g., any chronicle-prefixed keys or known Chronicle
payload fields) and return PriceFeedVendors.Chronicle when those fields are
present; ensure you reference PriceFeedVendors and normalizedProvider in the
same function and do not fall back to Morpho API enrichment—determine vendor
solely from the scanner metadata source.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 5744dd11-3747-47ce-9e7d-613b5e07dce3

📥 Commits

Reviewing files that changed from the base of the PR and between 50be305 and 9c8028a.

⛔ Files ignored due to path filters (1)

• src/imgs/oracles/chronicle.svg is excluded by !**/*.svg

📒 Files selected for processing (4)

• src/features/markets/components/oracle/MarketOracle/ChainlinkFeedTooltip.tsx
• src/features/markets/components/oracle/MarketOracle/FeedEntry.tsx
• src/hooks/useOracleMetadata.ts
• src/utils/oracle.ts