Oracle role per asset

OpenEden's assessment for RD-F-049 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Single oracle per chain for TBILL NAV: TBillPriceOracle is Primary and only feed. No Secondary or Fallback oracle configured for either Ethereum or Arbitrum vault. Vault implementation calls tbillUsdPriceFeed.latestRoundData() with no try/catch fallback or secondary source. USDO has no confirmed on-chain oracle for pricing; it rebases based on TBILL NAV. Yellow because primary-only, no fallback documented.

Sources #

Internal
OpenEden protocol profile §7Profile §7: oracle section describes single issuer-push oracle per chain; no fallback oracle documentedretrieved 2026-05-16
Etherscan
OpenEden Vault V4/V5 Implementation — EtherscanOpenEdenVaultV4Impl.sol tbillUsdcRate() calls single tbillUsdPriceFeed.latestRoundData(); no secondary oracle path visible in ABI or sourceretrieved 2026-05-16

Methodology #

For each oracle, classify its role as Primary / Secondary / Fallback per asset/market.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol openeden factor RD-F-049 score yellow collected_at 2026-05-16 10:11:45