Submission Details
Severity:
In `RapBattle::goOnStageOrBattle` function, defender can challenge themself
[L-4] In RapBattle::goOnStageOrBattle function, defender can challenge themself
Description: Defender can challenge themself because there are no check if the defender is not the challenger
Recommended Mitigation: Consider adding msg.sender check to the goOnStageOrBattle
function goOnStageOrBattle(uint256 _tokenId, uint256 _credBet) external {
+ require(defender != msg.sender, "cannot challenge yourself");
if (defender == address(0)) {
defender = msg.sender;
defenderBet = _credBet;
defenderTokenId = _tokenId;
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