Submission Details
Severity:
Tokens can't removed and new tokens can't be added to whitelist
Summary
Tokens can not be removed and new tokens can not be added.
Vulnerability Details
Whitelisted tokens are added in the constructor. If invalid token is added to the whitelistedTokens mapping, it can not be removed. Also if some of the tokens that should be whitelisted is missed by mistake, it can not be added to the mapping after contract deployment.
Impact
Invalid tokens added to the whitelistedTokens mapping and valid tokens that should be in the mapping will not be whitelisted.
Tools Used
Manual Review
Recommendations
Add functions for removing and adding tokens with onlyOwner modifier. For example:
function unwhitelistToken(address token) external onlyOwner {
whitelistedTokens[token] = false;
}
function whitelistToken(address token) external onlyOwner {
whitelistedTokens[token] = true;
}
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
19477 USDC / LOC
14,000 USDC
1,000 USDC
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