Review: Rate Provider from Issue #775

rate-providers/StakedavUSDRateProviderReviewc6dc.md

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+
+# Rate Provider: StakedavUSD rate provider
+
+## Details
+This report was autogenerated on 16/07/2026.
+
+- Deployed at:
+    - [Monad:0x55fD2ECa0761400A6e7780b6f333547fEb502Bb1](https://monadvision.com/address/0x55fD2ECa0761400A6e7780b6f333547fEb502Bb1)
+- Audit report(s):
+    - [Audits](Audited by Omniscia and Dedaub,with an ongoing OPSEC audit by Trail of Bits — https://docs.avantprotocol.com/security/contract-and-opsec-audits)
+
+## Context
+savUSD (Staked avUSD) is Avant Protocol's yield-bearing stablecoin. avUSD is backed ~1:1 by USDC and generates no yield on its own; staking avUSD mints savUSD,which accrues value through a continuously increasing savUSD/avUSD exchange rate (there is a 1-day cooldown when unstaking,during which no additional yield accrues). The rate provider (0x55fD2ECa0761400A6e7780b6f333547fEb502Bb1) reports this embedded yield by reading the on-chain "SAVUSD / AVUSD Exchange Rate" feed at 0x9F6ba235CFfFdEB32CfB38E3100D5f775bB1094E (Chainlink AggregatorV3 interface,18 decimals). getRate() currently returns ~1.1849e18. Docs: https://docs.avantprotocol.com/
+
+## Review Checklist: Bare Minimum Compatibility
+Each of the items below represents an absolute requirement for the Rate Provider. If any of these is unchecked, the Rate Provider is unfit to use.
+
+- [x] Implements the [`IRateProvider`](https://github.com/balancer/balancer-v2-monorepo/blob/bc3b3fee6e13e01d2efe610ed8118fdb74dfc1f2/pkg/interfaces/contracts/pool-utils/IRateProvider.sol) interface.
+- [x] `getRate` returns an 18-decimal fixed point number (i.e., 1 == 1e18) regardless of underlying token decimals.
+
+### Administrative Privileges
+- [ ] The Rate Provider is upgradeable** (e.g., via a proxy architecture).
+- [ ] Other contracts which are part of the `getRate` callchain are upgradeable**. You can find more information
+   about the involved contracts in this [tenderly simulation](https://www.tdly.co/shared/simulation/d7bed6c2-23e5-4b58-b8d0-9a3212622c29)
+
+## Conclusion
+**Summary judgment: USABLE**
+
+** upgradeable in this context means that:
+- The contract is a proxy contract with an implementation sourced from Etherscan and the proxy emitted an "Upgraded" event.
+

rate-providers/registry.json

@@ -5227,6 +5227,15 @@
           "implementationReviewed": "0xbd940fc427878eaa998f0713a16fed1cb5e892b1"
         }
       ]
+    },
+    "0x55fD2ECa0761400A6e7780b6f333547fEb502Bb1": {
+      "asset": "0x9648db94f1e6b19e7d755585542981f97dc806c6",
+      "name": "StakedavUSDRateProvider.md",
+      "summary": "safe",
+      "review": "./StakedavUSDRateProviderReviewc6dc.md",
+      "warnings": [],
+      "factory": "",
+      "upgradeableComponents": []
     }
   }
 }