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• System-states

Get-validator-state

Retrieve the state of a 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-state-optionp 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 (all-addresses systate))))
  (let ((__function__ 'get-validator-state))
    (declare (ignorable __function__))
    (validator-state-option-fix
         (omap::lookup val
                       (system-state->validators systate)))))

Theorem: validator-state-optionp-of-get-validator-state

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

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)

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

(defthm validator-statep-of-get-validator-state
  (implies (in val (correct-addresses systate))
           (b* ((?vstate? (get-validator-state val systate)))
             (validator-statep vstate?))))

Theorem: in-correct-validator-addresess-when-get-validator-state

(defthm in-correct-validator-addresess-when-get-validator-state
  (implies (get-validator-state val systate)
           (in val (correct-addresses systate))))

Theorem: get-validator-state-iff-in-correct-addresses

(defthm get-validator-state-iff-in-correct-addresses
  (iff (get-validator-state val systate)
       (in val (correct-addresses systate))))