Submission Details
Severity:
Lack of Events for Important State Changes
Summary:Some critical state changes do not emit events.
Vulnerability Details:
function transferErcTokens(address nftAddress, address to, uint256 amount) external {
// ...
balances[msg.sender][tokenInfo.erc20Address] -= amount;
balances[to][tokenInfo.erc20Address] += amount;
}
Impact:Difficulty in off-chain tracking and verification.
Tools Used:Remix IDE
Recommendations:Emit events for all significant state changes to improve transparency and off-chain tracking.
event TokensTransferred(address indexed from, address indexed to, address indexed erc20Address, uint256 amount);
Rewards breakdown
nSLOC
181This 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.