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System-states

Get-validator-state

Retrieve the state of a correct validator from the system.

Signature
(get-validator-state val systate) → vstate
Arguments: val — Guard (addressp val).; systate — Guard (system-statep systate).
Returns: vstate — Type (validator-statep vstate).

Definitions and Theorems

Function: get-validator-state

(defun get-validator-state (val systate)
  (declare (xargs :guard (and (addressp val)
                              (system-statep systate))))
  (declare (xargs :guard (in val (correct-addresses systate))))
  (let ((__function__ 'get-validator-state))
    (declare (ignorable __function__))
    (validator-state-fix
         (omap::lookup (address-fix val)
                       (system-state->validators systate)))))

Theorem: validator-statep-of-get-validator-state

(defthm validator-statep-of-get-validator-state
  (b* ((vstate (get-validator-state val systate)))
    (validator-statep vstate))
  :rule-classes :rewrite)

Theorem: get-validator-state-of-address-fix-val

(defthm get-validator-state-of-address-fix-val
  (equal (get-validator-state (address-fix val)
                              systate)
         (get-validator-state val systate)))

Theorem: get-validator-state-address-equiv-congruence-on-val

(defthm get-validator-state-address-equiv-congruence-on-val
  (implies (address-equiv val val-equiv)
           (equal (get-validator-state val systate)
                  (get-validator-state val-equiv systate)))
  :rule-classes :congruence)

Theorem: get-validator-state-of-system-state-fix-systate

(defthm get-validator-state-of-system-state-fix-systate
  (equal (get-validator-state val (system-state-fix systate))
         (get-validator-state val systate)))

Theorem: get-validator-state-system-state-equiv-congruence-on-systate

(defthm get-validator-state-system-state-equiv-congruence-on-systate
  (implies (system-state-equiv systate systate-equiv)
           (equal (get-validator-state val systate)
                  (get-validator-state val systate-equiv)))
  :rule-classes :congruence)