fix contract 5 #17
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fix contract 5 #17
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n1c01a5
approved these changes
Apr 24, 2017
| */ | ||
| function recordContribution(address _user, uint _amount) { | ||
| require(contribution[_user] + _amount >= contribution[_user]); | ||
| require(totalContributions + _amount >= totalContributions); |
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I don't sure the second check is necessary. If the first test is okay, the input amount is a valid number.
Your overflow check is good idea but I think there is an another issue.
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