Fei Protocol Audit

OpenZeppelinFiles named in the report

Audit · firm’s term: audit

OpenZeppelin reviewed Fei Protocol (Fei Protocol Audit) on 2 Jul 2021: 15 findings, 1 critical; 6 marked fixed, 9 open.

1 critical finding, fixed
Open the reportOpen Fei Protocol’s security record

Report hosted on blog.openzeppelin.com.

Trustblock does not review code.

Findings15

Statuses are the security firm’s own, from its report.

SeverityOpenAcknowledgedFixed
Critical001
High300
Medium401
Low204
High[H01] Fei reweight and stabilization may not react to price swingsOpen

The report gives no description here.

High[H02] Introduction of additional BondingCurves creates period of volatilityOpen

The report gives no description here.

High[H03] Inconsistent use of oraclesOpen

The report gives no description here.

Medium[M01] Errors and omissions in events throughout codebaseOpen

The report gives no description here.

Medium[M02] UniswapPCVDeposit can burn PCV FEI without Burner roleOpen

The report gives no description here.

Medium[M03] Lack of input validationOpen

The report gives no description here.

Medium[M05] Incorrect use of Time-Weighted Average PricesOpen

The report gives no description here.

Low[L01] Duplicate definitionsOpen

The report gives no description here.

Low[L04] Role definition differs from implementationOpen

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

The report names a repository or files. Open the report to see its scope.

Repository and files the report names (34)

  • UniswapPCVController.sol
  • pcv/PCVSwapperUniswap.sol
  • pcv/IPCVSwapper.sol
  • utils/Timed.sol
  • stabilizer/ITribeReserveStabilizer.sol
  • pcv/RatioPCVController.sol
  • pcv/UniswapPCVController.sol
  • stabilizer/IReserveStabilizer.sol
  • pcv/PCVSplitter.sol
  • PCVSwapperUniswap.sol
  • bondingcurve/IBondingCurve.sol
  • refs/OracleRef.sol
  • pcv/IUniswapPCVDeposit.sol
  • stabilizer/TribeReserveStabilizer.sol
  • refs/IOracleRef.sol
  • IUniswapPCVDeposit.sol
  • stabilizer/ReserveStabilizer.sol
  • CoreRef.sol
  • pcv/IPCVDeposit.sol
  • refs/UniRef.sol
  • refs/ICoreRef.sol
  • utils/Incentivized.sol
  • stabilizer/EthReserveStabilizer.sol
  • PCVSplitter.sol
  • pcv/IPCVDripController.sol
  • pcv/IUniswapPCVController.sol
  • BondingCurve.sol
  • pcv/UniswapPCVDeposit.sol
  • bondingcurve/EthBondingCurve.sol
  • oracle/CompositeOracle.sol
  • pcv/PCVDripController.sol
  • bondingcurve/BondingCurve.sol
  • refs/CoreRef.sol
  • refs/IUniRef.sol

Part of Fei Protocol’s security record

Fei Protocol
Audits5 audits by 2 firmsLast audit Sep 2021, by Consensys.
Critical findings1 open critical findingReported in “Fei Tribechief” by Consensys, Jul 2021. Not marked fixed in that report.
Open Fei Protocol’s security record

Security firm

OpenZeppelin

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