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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)
                   '(author round transactions previous endorsers)))
       :exec (fty::alist-with-carsp
                  x
                  '(author round transactions previous endorsers)))
   (b* ((author (cdr (std::da-nth 0 x)))
        (round (cdr (std::da-nth 1 x)))
        (transactions (cdr (std::da-nth 2 x)))
        (previous (cdr (std::da-nth 3 x)))
        (endorsers (cdr (std::da-nth 4 x))))
     (and (addressp author)
          (posp round)
          (transaction-listp transactions)
          (address-setp previous)
          (address-setp endorsers))))))

Theorem: consp-when-certificatep

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