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Certificate

Certificatep

Recognizer for certificate structures.

Signature
(certificatep x) → *

Definitions and Theorems

Function: certificatep

(defun certificatep (x)
  (declare (xargs :guard t))
  (let ((__function__ 'certificatep))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(proposal endorsers)))
              :exec (fty::alist-with-carsp x '(proposal endorsers)))
         (b* ((proposal (cdr (std::da-nth 0 x)))
              (endorsers (cdr (std::da-nth 1 x))))
           (and (proposalp proposal)
                (address-setp endorsers))))))

Theorem: consp-when-certificatep

(defthm consp-when-certificatep
  (implies (certificatep x) (consp x))
  :rule-classes :compound-recognizer)