Sparkn

Summary

Sponsors can't get Proxy Address before proxy is deployed and proxy can't be deployed because if organizer try to deploy he need to use function deployProxyAndDistribute which will try to distribute prizes and this will revert because:

in Distributor.sol on function _distribute have check and if there no have tokens function will revert. So the organizator can't deploy the proxy and sponsors can't get proxy address because function _calculateSalt is internal.

Vulnerability Details

Sponsors can't predict proxy address where need to send funds because can't calculate salt with _calculateSalt which is internal.

Impact

Sponsors can't send funds to contest proxy and if organizator try to deploy it will always revert since there no have tokens for prizes.

Tools Used

Manual Review

Recommendations

To mitingate this issue make function _calculateSalt in ProxyFactory.sol public or external