Chasing the DAO Attacker’s Wake – A second exploit
I don&#x27;t understand &quot;you can&#x27;t assume anything about the state of the contract.&quot; Surely the contract&#x27;s state is only modified by the contract&#x27;s own code, which means you can assume that the state is not altered arbitrarily but only according to the rules set up by the contract. Yes, you need to be careful about external calls that make altering calls to you.