Submission Details
Impact:
Likelihood:
No Event Emission After User Cancels Participation
Root + Impact
Description
The function 'cancelParticipation' is used by users to leave an event before the start time
After a user cancels participation, an event is supposed to be emitted. Events are the most gas effiecient way of off chain tracking of a contract's state and should be used for cleaner and better production
// Root cause in the codebase with @> marks to highlight the relevant section
Risk
Likelihood:
-
When a user leaves an event
-
Reason 2
Impact:
-
Impact 1
-
Impact 2
Proof of Concept
Recommended Mitigation
- remove this code
+ event ParticipationCanceled(address indexed user, uint256 refundedAmount);
event should be added
Rewards breakdown
nSLOC
193This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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