Is there a withdrawal pattern in any of the OpenZeppelin contracts which protects against DOS (Denial of Service) attacks?

Hi @crypto_economics , What do you mean by a withdrawal pattern and DOS attacks with a smart contract?

Pull over Push Payments (also known as the Withdrawal Pattern) Navigate to this fund splitter contract on Github. There are a few key takeaways from this contract. First, There is a separation of function logic. The split() function handles the accounting and divides the msg.value sent with the tr…

@abcoathup so that would protect against both Re-entrancy and DOS?

Hi @crypto_economics , It would protect against re-entrancy. I assume you mean by denial of service is preventing a user from interacting with the contract as expected. e.g. self destruct, putting in a state that results in reverts. Appropriate testing and auditing should help to reduce this risk. …

Withdrawal Pattern

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abcoathup December 9, 2020, 6:43am 5

Hi @crypto_economics,

Please see: Reentrancy After Istanbul and https://docs.openzeppelin.com/contracts/3.x/api/payment#PullPayment

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Withdrawal Pattern

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