Submission Details
Severity:
Insufficient Token Approval
Summary
if (token.balanceOf(msg.sender) < totalRewards)
{
revert ContestManager\_\_InsufficientFunds();
}
Before transferring tokens in fundContest(), you should check whether the msg.sender has approved the required amount of tokens for the contract to transfer.
If not approved, the transferFrom will fail if there's no allowance set.
Recommendations
if (token.allowance(msg.sender, address(this)) < totalRewards) {
revert ContestManager__InsufficientFunds();
}
Rewards breakdown
nSLOC
106This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
Live
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