DoS using loops

Like every Turing-complete programming language, solidity supports different types of loops to perform repeated tasks. Loops can be straightforward, but there are some situations where this can cause unexpected DoS.

In this recipe, you will learn to avoid a few accidental bugs that can occur even in the absence of an external attack.

Getting ready

It's expected that you have a basic understanding of the Ethereum blockchain and solidity before stepping through this recipe.

The Remix IDE (https://remix.ethereum.org) can help you quickly test and deploy the contract. Also, you can use any Ethereum client (geth, parity, and so on) and the solc compiler to run this contract.

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