Submission Details
Severity:
[L-5] Handling the address(0) missing checks
Summary: Missing checks for address(0) can be found in several places in the code.
Vulnerability Details: The missing addres(0) checks can be found in several places in the code. The address(0) check is added in the below area in the code in ThePredicter function.
constructor(
address _scoreBoard,
uint256 _entranceFee,
uint256 _predictionFee
) {
organizer = msg.sender;
scoreBoard = ScoreBoard(payable(_scoreBoard));
entranceFee = _entranceFee;
predictionFee = _predictionFee;
}
Impact: The address(0) missing check could lead to loss of ownership and the ownership of the contract can be lost forever.
Tools Used: Slither and Aderyn.
Recommendations: The missing address(0) check is added in the below area in the code. constructor(
address
_scoreBoard,
uint256 _entranceFee,
uint256 _predictionFee
) {
if (_scoreBoard == address(0)) {
revert ThePredicter__InvalidAddress();
}
organizer = msg.sender;
scoreBoard = ScoreBoard(payable(_scoreBoard));
entranceFee = _entranceFee;
predictionFee = _predictionFee;
}
Rewards breakdown
nSLOC
191This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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