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Reentrancy Example

An extremely simple version of a reentrancy attack, for educational purposes.

How to Use

Recreate the two contracts in remix.ethereum.org and you are ready to go.

More specifically

  1. Navigate your browser to Remix web IDE.
  2. Create a new file in your Remix workspace called InsecureVault.sol and paste the code from the corresponding file in this repo.
  3. Complete step 2 with Attack.sol as well.
  4. You're ready! We'll cover the rest in class.

Why

I know, it's not very efficient. However, doing this in Remix just saves a lot of time troubleshooting potential differences in everyone's development environment during live classes.