On Wed, May 22, 2019 at 5:01 PM Russell O'Connor <roconnor@blockstream.io> wrote:

In concert, these two operations enable:

* Oracle signature verification, including discrete log contracts.

Jonas informs me that I've misunderstood how discreet log contracts work. The DLC signatures are not directly checked by Script and do not rely on CHECKSIGFROMSTACK. I apologize for my hasty literature review.