First Flight #20: The Predicter

First Flight #20

Beginner FriendlyFoundry

100 EXP

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Submission Details

Severity: high

Valid

A single player can reclaim its rewards until the contract is drained

0xrochimaru

Updates

Lead Judging Commences

NightHawK Lead Judge 6 months ago

Submission Judgement Published

Validated

Assigned finding tags:

Multiple withdrawals are possible

`ThePredicter.withdraw` combined with `ScoreBoard.setPrediction` allows a player to withdraw rewards multiple times leading to a drain of funds in the contract.

Rewards breakdown

nSLOC

191

This contest has a flat reward structure with the following payouts:

High

100 EXP

Medium

20 EXP

Low

2 EXP

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