Fei Protocol Audit

Off-Chain (Private)

Audited on 2021/02/05

No active critical issues

Summary

The Fei Protocol team asked us to review and audit their Protocol smart contracts. We looked at the code and now publish our results. Scope We audited commit 29aeefddd97f31c7f2a598fb3dca3ef24dc0beb4 of the fei-protocol/fei-protocol-core repository. In scope were the contracts directly inside... and is transferable. The voting system has the ability to arbitrarily update many critical variables and contracts. This includes the ability to change pricing oracles, which means the voting system has all the powers of an oracle, along with many more. In this audit, we assume that the voters will not pass...

Project

Fei Protocol

Ethereum

Issues (23)

	Low	Medium	High	Critical	Total
Not fixed	1	1	1	-	3
Fixed	8	5	2	5	20
Total	9	6	3	5	23

Contracts (18)

#	File Name
11	contracts/pool/Pool.sol
12	contracts/oracle/UniswapOracle.sol
13	contracts/utils/Timed.sol
14	contracts/bondingcurve/BondingCurve.sol
15	contracts/token/Fei.sol
16	contracts/core/Core.sol
17	contracts/external/SafeMathCopy.sol
18	contracts/pcv/IUniswapPCVController.sol

#	File Name
11	contracts/pool/Pool.sol
12	contracts/oracle/UniswapOracle.sol
13	contracts/utils/Timed.sol
14	contracts/bondingcurve/BondingCurve.sol
15	contracts/token/Fei.sol
16	contracts/core/Core.sol
17	contracts/external/SafeMathCopy.sol
18	contracts/pcv/IUniswapPCVController.sol

Fei Protocol Audit

Summary

Issues (23)

[H03] Incentive to support the peg decays with volatilitynot_fixed/high

[M06] Incentive does not initialize when Ether depreciatesnot_fixed/medium

[L02] Authorized burners can burn FEI balances without an amount restrictionnot_fixed/low

Contracts (18)