Summary

Method isEligibleForReward() check if the player is eligible for rewards. But it checks playersPredictions[player].predictionsCount > 1. So players with 1 prediction will be ineligible for rewards even though they should be.

Vulnerability Details

The isEligibleForReward() will return false even if the users gave 1 prediction.

Impact

The players will not get the rewards even if they are eligible for rewards if they only did 1 prediction.

Tools Used

VS Code

Recommendations

The prediction count check should be playersPredictions[player].predictionsCount >= 1;