;; use the SIP009 interface (testnet)
;; trait deployed by deployer address from ./settings/Devnet.toml
(impl-trait 'SP2PABAF9FTAJYNFZH93XENAJ8FVY99RRM50D2JG9.nft-trait.nft-trait)
;; define a new NFT. Make sure to replace p8-test-3
(define-non-fungible-token p8-test-3 uint)
;; Store the last issues token ID
(define-data-var last-id uint u0)
;; Claim a new NFT
(define-public (claim)
(mint tx-sender))
;; SIP009: Transfer token to a specified principal
(define-public (transfer (token-id uint) (sender principal) (recipient principal))
(begin
(asserts! (is-eq tx-sender sender) (err u403))
;; Make sure to replace p8-test-3
(nft-transfer? p8-test-3 token-id sender recipient)))
(define-public (transfer-memo (token-id uint) (sender principal) (recipient principal) (memo (buff 34)))
(begin
(try! (transfer token-id sender recipient))
(print memo)
(ok true)))
;; SIP009: Get the owner of the specified token ID
(define-read-only (get-owner (token-id uint))
;; Make sure to replace p8-test-3
(ok (nft-get-owner? p8-test-3 token-id)))
;; SIP009: Get the last token ID
(define-read-only (get-last-token-id)
(ok (var-get last-id)))
;; SIP009: Get the token URI. You can set it to any other URI
(define-read-only (get-token-uri (token-id uint))
(ok (some "https://trajan-api.herokuapp.com/nft/{id}")))
;; Internal - Mint new NFT
(define-private (mint (new-owner principal))
(let ((next-id (+ u1 (var-get last-id))))
(var-set last-id next-id)
;; Make sure to replace p8-test-3
(nft-mint? p8-test-3 next-id new-owner)))