First Flight #5: Santa's List
First Flight #5

First Flight #5: Santa's List
Beginner FriendlyFoundry
100 EXP
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Submission Details
Severity: high
Valid

Buying present for someone else prevents them from getting their own present

dianivanov
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Lead Judging Commences

InAllHonesty Lead Judge
10 months ago
InAllHonesty Lead Judge 10 months ago
Submission Judgement Published
Validated
Assigned finding tags:

Weak Already Collected Check

Relying on balanceOf > 0 in collectPresent() allows the msg.sender to send their present to another address and then collect again.

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