Submission Details
Severity:
Function revealMove() parameter `_move` can be seen on chain
Summary
Function revealMove() parameter _move can be seen on chain ,causing the first player to call revealMove will be lose.
Vulnerability Details
revealMove() use _move as the parameter ,which can be seen on transaction. So the first player to call this function will lose.
function revealMove(uint256 _gameId, uint8 _move, bytes32 _salt) external {}
Impact
the first player to call revealMove will lose Token or Ether.
Tools Used
manual review.
Recommendations
Use other way to record _move .
Rewards breakdown
nSLOC
349This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
Live
The contest is live. Earn rewards by submitting a finding.
Appeals
This is your time to appeal against judgements on your submissions.
Appeals Review
Appeals are being carefully reviewed by our judges.