notebooks

;; Halal Asset Registry - Notebooks
;; Registry for notebooks

(define-data-var total-notebooks-20 uint u0)
(define-map notebooks-20-registry principal uint)

(define-public (register-notebooks-20 (amount uint))
    (begin
        (map-set notebooks-20-registry tx-sender amount)
        (var-set total-notebooks-20 (+ (var-get total-notebooks-20) amount))
        (ok true)
    )
)

(define-read-only (get-notebooks-20-amount (owner principal))
    (default-to u0 (map-get? notebooks-20-registry owner))
)