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fv lock bids reverts fix #18

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fv lock bids reverts fix #18

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@aazhou1 aazhou1 commented Sep 24, 2024 •
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Summary by CodeRabbit

  • Bug Fixes

    • Improved logic for handling bid conditions, ensuring accurate assessment of collateral amounts for nonexistent bids.
    • Streamlined checks for identifying nonexistent bids, enhancing clarity and correctness in bid locking logic.

  • Refactor

    • Adjusted the invocation of bid handling functions to align with updated reversion conditions.

@aazhou1 aazhou1 self-assigned this Sep 24, 2024
@aazhou1 aazhou1 requested a review from robotoer as a code owner September 24, 2024 20:59
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coderabbitai bot commented Sep 24, 2024 •
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Walkthrough

The changes involve modifications to the bid handling logic within the locking.spec file. Specifically, updates were made to the conditions for identifying nonexistent bids in the lockBidsRevertConditions, lockBidsWithReferralRevertConditions, and lockRolloverBidRevertConditions rules. The logic now focuses on collateral amounts rather than tokens, simplifying checks and enhancing clarity in bid state assessments.

Changes

Files Change Summary
certora/specs/termAuctionBidLocker/locking.spec Updated bid handling logic by refining conditions for nonexistent bids, focusing on collateral amounts. Simplified checks in lockRolloverBidRevertConditions and modified function invocation to handle reverts.

Poem

🐇 In the meadow where bids do play,
Collateral amounts lead the way.
With clearer paths and simpler checks,
Our bidding game now earns respect!
Hooray for changes, let’s hop and cheer,
For a brighter future, we hold dear! 🌼

Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 262098c and c332694.

Files selected for processing (1)
  • certora/specs/termAuctionBidLocker/locking.spec (3 hunks)
Additional comments not posted (4)
certora/specs/termAuctionBidLocker/locking.spec (4)

314-314: Update bid existence check to use collateral amounts

The condition now checks if both existingBid.collateralAmounts[0] and existingBid.collateralAmounts[1] are zero when existingBid.amount == 0. This ensures that a nonexistent bid is correctly identified based on collateral amounts rather than collateral tokens, improving the accuracy of the bid validation.

546-546: Consistent update to bid existence check in referral logic

The change mirrors the update in lockBidsRevertConditions, ensuring that lockBidsWithReferralRevertConditions also checks existingBid.collateralAmounts instead of collateralTokens. This maintains consistency across the codebase and enhances correctness in bid handling.

719-719: Simplify nonexistent bid condition

The condition for determining a nonexistent bid has been simplified to:

bool nonExistentBid = harnessGetInternalBids(bid.id).amount == 0; // NonExistentBid

This effectively identifies a nonexistent bid based solely on the bid amount being zero, which simplifies the logic without compromising correctness.

727-727: Adjust function call to handle reversion scenarios

The modification from lockRolloverBid(e, bid); to lockRolloverBid@withrevert(e, bid); appropriately updates the function invocation to handle potential revert scenarios. This aligns the function call with the updated conditions for bid processing and ensures proper error handling.

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codecov bot commented Sep 24, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.40%. Comparing base (262098c) to head (c332694).

Additional details and impacted files 
@@           Coverage Diff           @@
##             main      #18   +/-   ##
=======================================
  Coverage   98.40%   98.40%           
=======================================
  Files          13       13           
  Lines        2191     2191           
  Branches      525      525           
=======================================
  Hits         2156     2156           
  Misses         34       34           
  Partials        1        1
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