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Block

Make-block

Basic constructor macro for block structures.

Syntax

(make-block [:transactions <transactions>] 
            [:round <round>])

This is the usual way to construct block structures. It simply conses together a structure with the specified fields.

This macro generates a new block structure from scratch. See also change-block, which can "change" an existing structure, instead.

Definition

This is an ordinary make- macro introduced by fty::defprod.

Macro: make-block

(defmacro make-block (&rest args)
  (std::make-aggregate 'block
                       args '((:transactions) (:round))
                       'make-block
                       nil))

Function: block

(defun block (transactions round)
 (declare (xargs :guard (and (transaction-listp transactions)
                             (posp round))))
 (declare (xargs :guard (evenp round)))
 (let ((__function__ 'block))
  (declare (ignorable __function__))
  (b* ((transactions (mbe :logic (transaction-list-fix transactions)
                          :exec transactions))
       (round (mbe :logic (pos-fix round)
                   :exec round)))
    (let ((round (mbe :logic (if (evenp round) round 2)
                      :exec round)))
      (list (cons 'transactions transactions)
            (cons 'round round))))))