[notahacker]

Except, of course, that as the article points out, the courts provide virtually all the value in preventing clients from cheating the auditing systems, or ensuring that a correctly delivered package actually has contents fit for purpose.

And if your contract is only the code, you've got a big problem in making your case that tampering with the oracle or sending an empty box is an act of bad faith on the other party's part, and much more expensive lawyers to interpret it...