announcements

;; Announcements
(define-map announcements uint {title: (string-ascii 100), content: (string-ascii 500)})
(define-data-var announcement-id uint u0)
(define-public (create-announcement (title (string-ascii 100)) (content (string-ascii 500)))
  (let ((id (var-get announcement-id)))
    (map-set announcements id {title: title, content: content})
    (var-set announcement-id (+ id u1))
    (ok id)))
(define-read-only (get-announcement (id uint))
  (map-get? announcements id))