Opyn Gamma Protocol Audit

OpenZeppelinFiles named in the report

Audit · firm’s term: audit

OpenZeppelin reviewed Opyn Markets (Opyn Gamma Protocol Audit) on 10 Nov 2020: 20 findings, 1 critical; 14 marked fixed, 6 open.

1 critical finding, fixed
Open the reportOpen Opyn Markets’s security record

Report hosted on blog.openzeppelin.com.

Trustblock does not review code.

Findings20

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

SeverityOpenAcknowledgedFixed
Critical001
High002
Medium203
Low408
Medium[M02] ERC20 compliant assets may not be usedOpen

The report gives no description here.

Medium[M05] User can force the Controller contract to perform an undesired external callOpen

The report gives no description here.

Low[L06] Lack of input validationOpen

The report gives no description here.

Low[L08] Actions not executed atomically might lead to inconsistent stateOpen

The report gives no description here.

Low[L11] Chainlink pricer is using a deprecated APIOpen

The report gives no description here.

Low[L12] Stable asset price could be stuck if mistakenly set with setAssetPricer()Open

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 (9)

  • contracts/Oracle.sol
  • contracts/libs/MarginVault.sol
  • contracts/MarginCalculator.sol
  • contracts/Whitelist.sol
  • contracts/OtokenSpawner.sol
  • contracts/AddressBook.sol
  • contracts/OtokenFactory.sol
  • contracts/Otoken.sol
  • contracts/Controller.sol

Part of Opyn Markets’s security record

Opyn Markets
Audits4 audits by 2 firmsLast audit Dec 2022, by OpenZeppelin.
Critical findingsNo open critical findingsAcross the 4 reports, 2 critical findings were reported. Each is marked fixed by the firm that reported it.
Open Opyn Markets’s security record

Security firm

OpenZeppelin

67 projects reviewed · 185 reports · latest Aug 2026

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