Canto contest - Rahoz's results

Execution layer for original work.

General Information

Platform: Code4rena

Start Date: 23/11/2022

Pot Size: $24,500 CANTO

Total HM: 5

Participants: 37

Period: 5 days

Judge: berndartmueller

Total Solo HM: 2

Id: 185

League: ETH

Canto

Findings Distribution

Researcher Performance

Rank: 28/37

Findings: 1

Award: $13.69

Gas:

grade-b

🌟 Selected for report: 0

🚀 Solo Findings: 0

External Links

Code4rena Contest Page Github Contest Repository Github Findings Repository Canto

Findings Information

🌟 Selected for report: Tricko

Also found by: 0xhacksmithh, AkshaySrivastav, Awesome, Beepidibop, Deivitto, DijkstraDev, Dinesh11G, Englave, JC, Rahoz, RaymondFam, ReyAdmirado, SaeedAlipoor01988, Sathish9098, abiih, aphak5010, chaduke, chrisdior4, exolorkistis, gzeon, martin, nicobevi, oyc_109, peritoflores, rotcivegaf

Awards

84.7394 CANTO - $13.69

Labels

bug

G (Gas Optimization)

grade-b

G-10

External Links

Link to GitHub issue

Add unchecked {} for subtractions where the operands cannot underflow because of a previous

In withdraw, because we already check that _amount never > earnedFees, we can use uncheck to update balances[_tokenId]

Proof of Concept

https://github.com/code-423n4/2022-11-canto/blob/2733fdd1bee73a6871c6243f92a007a0b80e4c61/CIP-001/src/Turnstile.sol#L135-L137

#0 - c4-judge
2022-11-29T19:14:49Z

berndartmueller marked the issue as grade-b

Canto contest - Rahoz's results

Execution layer for original work.

General Information

Findings Distribution

Researcher Performance

External Links

[G-10] Gas Report - $13.69

Findings Information

Awards

Labels

External Links

Add unchecked {} for subtractions where the operands cannot underflow because of a previous

Proof of Concept

#0 - c4-judge2022-11-29T19:14:49Z

#0 - c4-judge
2022-11-29T19:14:49Z