Use `Ownable2Step` rather than `Ownable
Summary
Contrracts Pot.sol and ContestManager.sol missing Ownable2Step implementation.
Vulnerability Details
Ownable2Step prevent the contract ownership from mistakenly being transferred to an address that cannot handle it (e.g. due to a typo in the address), by requiring that the recipient of the owner permissions actively accept via a contract call of its own.
Impact
Missing Ownable2Stepimplememntation can lead to accidental transfer of ownership to an address that cannot handle it
Tools Used
Manual review
Recommendations
Consider using Ownable2Step or Ownable2StepUpgradeable in your contracts. These options ensure a safer, more controlled ownership transfer process.
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