(impl-trait 'SP2PABAF9FTAJYNFZH93XENAJ8FVY99RRM50D2JG9.nft-trait.nft-trait)
;; Non Fungible Token, using sip-009
(define-non-fungible-token parrot-test-v1 uint)
;; Storage
(define-map tokens-count
principal
uint)
;; Constants
(define-constant ERR-ALL-MINTED u101)
(define-constant CONTRACT-OWNER tx-sender)
(define-constant ERR-NOT-AUTHORIZED u401)
(define-constant ERR-MINT-NOT-ENABLED (err u1004))
(define-constant MINT-LIMIT u888)
;; Internal variables
(define-data-var last-id uint u0)
(define-data-var uri-prefix (string-ascii 256) "")
(define-data-var cost-per-mint uint u0)
(define-data-var commission uint u1500)
(define-data-var payout uint u0)
(define-data-var ipfs-full-metadata (string-ascii 110) "ipfs://bafybeiezijhnj3k4jr7plfv4hislw3m53vuxndagvn6urqvkrgiw324dca/stacks_parrots/stacks_parrots_metadata.json")
(define-data-var ipfs-root (string-ascii 97) "ipfs://bafybeiezijhnj3k4jr7plfv4hislw3m53vuxndagvn6urqvkrgiw324dca/stacks_parrots/stacks_parrots_")
(define-data-var artist-address principal 'SPX6Y3K1V12Y774A2WQPJ9SJA7GGV0BEQ78MNMWP)
(define-data-var minting-enabled bool true)
(define-public (claim)
(mint tx-sender))
;; Gets the amount of tokens owned by the specified address.
(define-private (balance-of (account principal))
(default-to u0 (map-get? tokens-count account)))
;; Internal - Register token
(define-private (mint (new-owner principal))
(let (
(next-id (+ u1 (var-get last-id)))
(count (var-get last-id))
)
(asserts! (is-eq (var-get minting-enabled) true) ERR-MINT-NOT-ENABLED)
(asserts! (< count MINT-LIMIT) (err ERR-ALL-MINTED))
(match (stx-transfer? (var-get cost-per-mint) tx-sender (as-contract tx-sender))
success (begin
(try! (nft-mint? parrot-test-v1 next-id new-owner))
(var-set last-id next-id)
(var-set payout (- (var-get cost-per-mint) (/ (* (var-get cost-per-mint) (var-get commission)) u10000)))
(try! (as-contract (stx-transfer? (var-get payout) (as-contract tx-sender) (var-get artist-address))))
(ok next-id)
)
error (err error)
)
)
)
;; Public functions
;; Allows contract owner to change mint price
(define-public (set-cost-per-mint (value uint))
(if (is-eq tx-sender CONTRACT-OWNER)
(ok (var-set cost-per-mint value))
(err ERR-NOT-AUTHORIZED)
)
)
;; Allows contract owner to change mint price
(define-public (set-commission (value uint))
(if (is-eq tx-sender CONTRACT-OWNER)
(ok (var-set commission value))
(err ERR-NOT-AUTHORIZED)
)
)
;; Allows contract owner to change artist address if need be
(define-public (set-artist-address (value principal))
(if (is-eq tx-sender CONTRACT-OWNER)
(ok (var-set artist-address value))
(err ERR-NOT-AUTHORIZED)
)
)
;; Turn minting on
(define-public (set-minting-enabled)
(if (is-eq tx-sender CONTRACT-OWNER)
(ok (var-set minting-enabled true))
(err ERR-NOT-AUTHORIZED)
)
)
;; Turn minting off
(define-public (set-minting-disabled)
(if (is-eq tx-sender CONTRACT-OWNER)
(ok (var-set minting-enabled false))
(err ERR-NOT-AUTHORIZED)
)
)
;; Transfers tokens to a specified principal.
(define-public (transfer (token-id uint) (sender principal) (recipient principal))
(if (and
(is-eq tx-sender sender))
;; Make sure to replace MY-OWN-NFT
(match (nft-transfer? parrot-test-v1 token-id sender recipient)
success (ok success)
error (err error))
(err u500)))
;; Transfers stx from contract to contract owner
(define-public (transfer-stx (address principal) (amount uint))
(if (is-eq tx-sender CONTRACT-OWNER)
(as-contract (stx-transfer? amount (as-contract tx-sender) address))
(err ERR-NOT-AUTHORIZED)
)
)
;; Gets the owner of the specified token ID.
(define-read-only (get-owner (token-id uint))
(ok (nft-get-owner? parrot-test-v1 token-id)))
;; Gets mint price
(define-read-only (get-mint-price)
(ok (var-get cost-per-mint)))
;; Gets commission
(define-read-only (get-commission)
(ok (/ (* (var-get cost-per-mint) (var-get commission)) u10000))
)
;; Gets artist address
(define-read-only (get-artist-address)
(ok (var-get artist-address)))
;; Gets the owner of the specified token ID.
(define-read-only (get-last-token-id)
(ok (var-get last-id)))
(define-read-only (get-contract-metadata)
(ok (some (var-get ipfs-full-metadata)))
)
(define-read-only (get-token-uri (token-id uint))
(ok (some (var-get ipfs-root))))