First Flight #20: The Predicter

Summary

No checks for available slots causing the user to waste gas to register and cancelRegistration

Vulnerability Details

In the ThePredicter::register function does not check for available slot, therefore causing the user to register without being able to be approved as a player and overall wasting gas to register and cancelRegistration

Impact

Users would waste gas to register and cancelRegistration because they would never be accepted into the game due insufficient slots available for the game

Tools Used

Manual Reviews

Recommendations

The ThePredicter::register function should include a check for available slot
The code below helps mitigate the risk