(impl-trait 'SP2PABAF9FTAJYNFZH93XENAJ8FVY99RRM50D2JG9.nft-trait.nft-trait)
(define-constant contract-owner tx-sender)
(define-constant err-owner-only (err u100))
(define-constant err-not-token-owner (err u101))
(define-data-var image-url (string-ascii 49) "https://arweave.net/{id}")
(define-non-fungible-token wild-live-images uint)
(define-data-var last-token-id uint u0)
(define-read-only (get-last-token-id)
(ok (var-get last-token-id))
)
(define-read-only (get-token-uri (token-id uint))
(ok none)
)
(define-read-only (get-owner (token-id uint))
(ok (nft-get-owner? wild-live-images token-id))
)
(define-public (transfer (token-id uint) (sender principal) (recipient principal))
(begin
(asserts! (is-eq tx-sender sender) err-not-token-owner)
(nft-transfer? wild-live-images token-id sender recipient)
)
)
(define-public (mint (recipient principal))
(let
(
(token-id (+ (var-get last-token-id) u1))
)
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(try! (nft-mint? wild-live-images token-id recipient))
(var-set last-token-id token-id)
(ok token-id)
)
)
(define-public (change-token-uri (uri (string-ascii 49)))
(begin
(asserts! (is-eq tx-sender contract-owner) err-owner-only)
(var-set image-url uri)
(ok true)
)
)