price-fluctuation-monitor

;; title: volatility-tracker
;; version: 1.0.0
;; summary: Track asset volatility
;; description: Monitor price volatility metrics - Clarity 4

;; Constants
(define-constant CONTRACT-OWNER tx-sender)
(define-constant ERR-UNAUTHORIZED (err u5600))

;; Data Maps - Using stacks-block-time for Clarity 4
(define-map volatility-metrics (string-ascii 20) {
  daily-volatility: uint,
  weekly-volatility: uint,
  monthly-volatility: uint,
  updated-at: uint  ;; Clarity 4: Unix timestamp
})

;; Public Functions

(define-public (update-volatility (symbol (string-ascii 20)) (daily uint) (weekly uint) (monthly uint))
  (begin
    (asserts! (is-eq tx-sender CONTRACT-OWNER) ERR-UNAUTHORIZED)

    (map-set volatility-metrics symbol {
      daily-volatility: daily,
      weekly-volatility: weekly,
      monthly-volatility: monthly,
      updated-at: stacks-block-time
    })

    (ok true)
  )
)

;; Read-Only Functions

(define-read-only (get-volatility (symbol (string-ascii 20)))
  (map-get? volatility-metrics symbol)
)