Function: cancelOffer(uint256 offerId)

The function allows the creator or a pool manager to cancel an offer that has expired, returning the locked tokens to the creator.

Inputs

• offerId

  • Control: Arbitrary.

  • Constraints: Must be an existing offer.

  • Impact: The parameter identifies which offer to cancel.

Branches and code coverage

Intended branches

• Return the locked tokens to the creator, update state variables, and delete the offer.

  Test coverage

Negative behavior

• Revert if the caller is not the creator or a pool manager.

  Negative test

• Revert if the offer has not yet expired.

  Negative test