MitchPierias/ooo-distributed-apps.md

Last active December 21, 2018 13:24

Star (0) You must be signed in to star a gist
Fork (0) You must be signed in to fork a gist

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/MitchPierias/486c8d0dc3818ed0e144deb41ce5f3b1.js"></script>
Save MitchPierias/486c8d0dc3818ed0e144deb41ce5f3b1 to your computer and use it in GitHub Desktop.

Download ZIP

Order of Operations in Distributed Application Actions

Raw

ooo-distributed-apps.md

OOO in Distributed Applications

For security reasons, it's important to remember the order of which you perform operations within the actions of your distrubuted application.

Checks
Effects
Interactions

Performing operations in this order will prevent the vulnerability seen in the infamous DAO hack (Google it), where an attacker opened a series of withdrawals, and transfered funds before the contract could update it's balance data.