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• Transaction-bond

Transaction-bond->stake

Get the stake field from a transaction-bond.

Signature

(transaction-bond->stake x) → stake

Arguments

x — Guard (transactionp x).

Returns

stake — Type (posp stake).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: transaction-bond->stake$inline

(defun transaction-bond->stake$inline (x)
  (declare (xargs :guard (transactionp x)))
  (declare (xargs :guard (equal (transaction-kind x) :bond)))
  (let ((__function__ 'transaction-bond->stake))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (transaction-kind x) :bond)
                      x)))
           (pos-fix (std::da-nth 1 (cdr x))))
         :exec (std::da-nth 1 (cdr x)))))

Theorem: posp-of-transaction-bond->stake

(defthm posp-of-transaction-bond->stake
  (b* ((stake (transaction-bond->stake$inline x)))
    (posp stake))
  :rule-classes :rewrite)

Theorem: transaction-bond->stake$inline-of-transaction-fix-x

(defthm transaction-bond->stake$inline-of-transaction-fix-x
  (equal (transaction-bond->stake$inline (transaction-fix x))
         (transaction-bond->stake$inline x)))

Theorem: transaction-bond->stake$inline-transaction-equiv-congruence-on-x

(defthm
   transaction-bond->stake$inline-transaction-equiv-congruence-on-x
  (implies (transaction-equiv x x-equiv)
           (equal (transaction-bond->stake$inline x)
                  (transaction-bond->stake$inline x-equiv)))
  :rule-classes :congruence)

Theorem: transaction-bond->stake-when-wrong-kind

(defthm transaction-bond->stake-when-wrong-kind
  (implies (not (equal (transaction-kind x) :bond))
           (equal (transaction-bond->stake x)
                  (pos-fix nil))))