/2023-08-cooler

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Cooler Update contest details

Q&A

Q: On what chains are the smart contracts going to be deployed?

mainnet

Q: Which ERC20 tokens do you expect will interact with the smart contracts?

DAI, sDAI, and gOHM

Q: Which ERC721 tokens do you expect will interact with the smart contracts?

None

Q: Which ERC777 tokens do you expect will interact with the smart contracts?

None

Q: Are there any FEE-ON-TRANSFER tokens interacting with the smart contracts?

No

Q: Are there any REBASING tokens interacting with the smart contracts?

No

Q: Are the admins of the protocols your contracts integrate with (if any) TRUSTED or RESTRICTED?

TRUSTED

Q: Is the admin/owner of the protocol/contracts TRUSTED or RESTRICTED?

TRUSTED

Q: Are there any additional protocol roles? If yes, please explain in detail:

  • cooler_overseer (TRUSTED): has the ability to defund and reactivate the Clearinghouse.
  • emergency_shutdown(TRUSTED): has the ability to shutdown the Clearinghouse.

Q: Is the code/contract expected to comply with any EIPs? Are there specific assumptions around adhering to those EIPs that Watsons should be aware of?

No

Q: Please list any known issues/acceptable risks that should not result in a valid finding.

None

Q: Please provide links to previous audits (if any).

https://github.com/sherlock-audit/2023-01-cooler-judging

Q: Are there any off-chain mechanisms or off-chain procedures for the protocol (keeper bots, input validation expectations, etc)?

yes, the clearinghouse incentivizes keepers to claim defaulted loans, so that that debt can be written off and the corresponding collateral burned.

Q: In case of external protocol integrations, are the risks of external contracts pausing or executing an emergency withdrawal acceptable? If not, Watsons will submit issues related to these situations that can harm your protocol's functionality.

Risks related to Olympus shutting down its Treasury due to an emergency are acceptable.

Q: Do you expect to use any of the following tokens with non-standard behaviour with the smart contracts?

DAI

Q: Add links to relevant protocol resources

https://docs.olympusdao.finance/main/technical/overview/ https://github.com/OlympusDAO/olympus-v3

Audit scope

Cooler @ c6f2bbe1b51cdf3bb4d078875170177a1b8ba2a3