Opyn Contracts Audit

Off-Chain (Private)

Audited on 2020/02/10

No active critical issues

Summary

Opyn is a generalized noncustodial options protocol for Decentralized Finance, or DeFi. The team asked us to review and audit the system. We looked at the code and now publish our results. The audited commit is c34598565cba2bfcf824eb2da63d95c7f5dda4fa and the contracts included in the scope were... : OptionsContract.sol, OptionsUtils.sol, and OptionsFactory.sol. The scope did not include the files inside the lib folder, Migrations.sol, and the OptionsExchange.sol. All external code and contract dependencies were assumed to work correctly. Additionally, during this audit, we assumed...

Project

Opyn Markets

Ethereum

Issues (15)

	Low	Medium	High	Critical	Total
Not fixed	3	-	1	-	4
Fixed	7	2	1	1	11
Total	10	2	2	1	15

Contracts (5)

#	File Name
1	contracts/Migrations.sol
2	contracts/OptionsUtils.sol
3	contracts/OptionsContract.sol
4	contracts/OptionsFactory.sol
5	contracts/OptionsExchange.sol

#	File Name
1	contracts/Migrations.sol
2	contracts/OptionsUtils.sol
3	contracts/OptionsContract.sol
4	contracts/OptionsFactory.sol
5	contracts/OptionsExchange.sol

Opyn Contracts Audit

Summary

Issues (15)

[H01] Liquidation process could push the protocol into insolvencynot_fixed/high

[L02] Different behavior between ETH and Tokens collateralnot_fixed/low

[L03] Cannot update exponent after deploymentnot_fixed/low

[L06] Confusing time frame for actionsnot_fixed/low

Contracts (5)