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Vulnerability details

While it may be true that the probability of the scenario happening is low, it does not necessarily mean that the issue should not be considered valid. A low probability does not mean that the vulnerability should be ignored, especially if it can lead to a loss of funds for the contract and its users. It is important to consider all possible scenarios and vulnerabilities, no matter how unlikely they may be, and take appropriate measures to mitigate them. Ignoring a potential issue based solely on its probability is not a thorough approach to security auditing.

There are a few potential solutions to address the scenario of the lottery running out of funds:

Pause ticket sales: One solution is to pause ticket sales temporarily until more funds are available to ensure that the lottery can continue operating. Once enough funds are available, the ticket sales can be resumed.

Scale payout: Another solution is to review the payout mechanism to pay out a scaled factor of any remaining balance in the lottery contract. For example, if the contract runs out of funds but there is still a 10% balance remaining, the payout can be scaled down by 10%. This ensures that the lottery can continue operating while also ensuring that winners are still able to claim their prizes.

Increase reserve fund: It may also be possible to increase the reserve fund for the lottery to mitigate the risk of running out of funds. This can be done by allocating a larger portion of ticket sales revenue towards the reserve fund, or by receiving donations from external sources.

Ultimately, the best solution will depend on the specific circumstances of the lottery contract and the associated risks. A thorough risk analysis should be conducted to determine the most appropriate solution.

manual review

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