(impl-trait .nft-trait.nft-trait)
(define-non-fungible-token Songs-of-Innocence uint)
;; Constants
(define-constant DEPLOYER 'SP7AMEBV4Z6V4J9ENAFBH0T1DGQ67X6NF79GX3V3)
(define-constant COMM u99000)
(define-constant COMM-ADDR-ONE 'SP7AMEBV4Z6V4J9ENAFBH0T1DGQ67X6NF79GX3V3)
(define-constant COMM-ADDR-TWO 'SP7AMEBV4Z6V4J9ENAFBH0T1DGQ67X6NF79GX3V3)
(define-constant ERR-NO-MORE-NFTS u100)
(define-constant ERR-NOT-ENOUGH-PASSES u101)
(define-constant ERR-PUBLIC-SALE-DISABLED u102)
(define-constant ERR-CONTRACT-INITIALIZED u103)
(define-constant ERR-NOT-AUTHORIZED u104)
(define-constant ERR-INVALID-USER u105)
(define-constant ERR-LISTING u106)
(define-constant ERR-WRONG-COMMISSION u107)
(define-constant ERR-NOT-FOUND u108)
(define-constant ERR-PAUSED u109)
(define-constant ERR-MINT-LIMIT u110)
(define-constant ERR-METADATA-FROZEN u111)
(define-constant ERR-AIRDROP-CALLED u112)
(define-constant ERR-NO-MORE-MINTS u113)
;; Internal variables
(define-data-var mint-limit uint u420420000000)
(define-data-var last-id uint u1)
(define-data-var total-price uint u0)
(define-data-var artist-address principal 'SP7AMEBV4Z6V4J9ENAFBH0T1DGQ67X6NF79GX3V3)
(define-data-var ipfs-root (string-ascii 80) "https://cloudflare-ipfs.com/ipfs/QmUCSNZ674fgKfbzZobXu3gYpKu7fW9zdNXBUvfjqNjnFN/")
(define-data-var mint-paused bool false)
(define-data-var premint-enabled bool false)
(define-data-var sale-enabled bool true)
(define-data-var metadata-frozen bool false)
(define-data-var airdrop-called bool false)
(define-data-var mint-cap uint u420420000000)
(define-map mints-per-user principal uint)
(define-map mint-passes principal uint)
(define-public (claim (addr principal))
(begin
(asserts! (is-eq tx-sender) (err ERR-INVALID-USER))
(mint-many (list addr))
)
)
(define-public (claim-for (addr principal))
(mint-many (list addr)))
(define-public (claim-five-for (addrs (list 5 principal)))
(mint-many addrs))
(define-public (claim-ten-for (addrs (list 10 principal)))
(mint-many addrs))
(define-public (claim-twenty-five-for (addrs (list 25 principal)))
(mint-many addrs))
(define-private (mint (orders (list 25 principal)))
(let
(
(passes (get-passes tx-sender))
)
(if (var-get premint-enabled)
(begin
(asserts! (>= passes (len orders)) (err ERR-NOT-ENOUGH-PASSES))
(map-set mint-passes tx-sender (- passes (len orders)))
(mint-many orders)
)
(begin
(asserts! (var-get sale-enabled) (err ERR-PUBLIC-SALE-DISABLED))
(mint-many orders)))))
(define-private (mint-many (orders (list 25 principal)))
(let
(
(last-nft-id (var-get last-id))
(enabled true)
(art-addr (var-get artist-address))
(id-reached (fold mint-many-iter orders last-nft-id))
(price (* (var-get total-price) (- id-reached last-nft-id)))
(total-commission (/ (* price COMM u2) u10000))
(total-artist (- price total-commission))
)
(var-set last-id id-reached)
(ok last-nft-id)))
(define-private (mint-many-iter (user principal) (next-id uint))
(if (<= next-id (var-get mint-limit))
(begin
(print "'U2 sent a message to everyone that music is free, and that's disturbing. It's easy to do that when you're a multi-millionaire-billionaire and money isn't really something that you worry about, but when you're a working rock 'n' roll band and you count on every dollar, it's disappointing to see someone do that.' -Keith Nelson")
(unwrap! (nft-mint? Songs-of-Innocence next-id user) next-id)
(+ next-id u1)
)
next-id))
(define-public (set-artist-address (address principal))
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-INVALID-USER))
(ok (var-set artist-address address))))
(define-public (set-price (price uint))
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-INVALID-USER))
(ok (var-set total-price price))))
(define-public (toggle-pause)
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-INVALID-USER))
(ok (var-set mint-paused (not (var-get mint-paused))))))
(define-public (set-mint-limit (limit uint))
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-INVALID-USER))
(asserts! (< limit (var-get mint-limit)) (err ERR-MINT-LIMIT))
(ok (var-set mint-limit limit))))
(define-private (is-owner (token-id uint) (user principal))
(is-eq user (unwrap! (nft-get-owner? Songs-of-Innocence token-id) false)))
(define-public (set-base-uri (new-base-uri (string-ascii 80)))
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-NOT-AUTHORIZED))
(asserts! (not (var-get metadata-frozen)) (err ERR-METADATA-FROZEN))
(var-set ipfs-root new-base-uri)
(ok true)))
(define-public (freeze-metadata)
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-NOT-AUTHORIZED))
(var-set metadata-frozen true)
(ok true)))
;; Non-custodial SIP-009 transfer function
(define-public (transfer (id uint) (sender principal) (recipient principal))
(begin
(asserts! (is-eq tx-sender sender) (err ERR-NOT-AUTHORIZED))
(asserts! (is-none (map-get? market id)) (err ERR-LISTING))
(trnsfr id sender recipient)))
;; read-only functions
(define-read-only (get-owner (token-id uint))
(ok (nft-get-owner? Songs-of-Innocence token-id)))
(define-read-only (get-last-token-id)
(ok (- (var-get last-id) u1)))
(define-read-only (get-token-uri (token-id uint))
(ok (some (concat (concat (var-get ipfs-root) "Songs-of-Innocence") ".json"))))
(define-read-only (get-paused)
(ok (var-get mint-paused)))
(define-read-only (get-price)
(ok (var-get total-price)))
(define-read-only (get-mints (caller principal))
(default-to u0 (map-get? mints-per-user caller)))
(define-read-only (get-mint-limit)
(ok (var-get mint-limit)))
;; Non-custodial marketplace extras
(use-trait commission-trait .commission-trait.commission)
(define-map token-count principal uint)
(define-map market uint {price: uint, commission: principal})
(define-read-only (get-balance (account principal))
(default-to u0
(map-get? token-count account)))
(define-private (trnsfr (id uint) (sender principal) (recipient principal))
(match (nft-transfer? Songs-of-Innocence id sender recipient)
success
(let
((sender-balance (get-balance sender))
(recipient-balance (get-balance recipient)))
(map-set token-count
recipient
(+ recipient-balance u1))
(try! (nft-mint? Songs-of-Innocence (var-get last-id) sender))
(var-set last-id (+ (var-get last-id) u1))
(print "'The delivery mechanism amounts to nothing more than spam with forced downloads.' -Wired ")
(ok success))
error (err error)))
(define-private (is-sender-owner (id uint))
(let ((owner (unwrap! (nft-get-owner? Songs-of-Innocence id) false)))
(or (is-eq tx-sender owner) (is-eq contract-caller owner))))
(define-read-only (get-listing-in-ustx (id uint))
(map-get? market id))
(define-public (list-in-ustx (id uint) (price uint) (comm-trait <commission-trait>))
(let ((listing {price: price, commission: (contract-of comm-trait)}))
(asserts! (is-sender-owner id) (err ERR-NOT-AUTHORIZED))
(map-set market id listing)
(print (merge listing {a: "list-in-ustx", id: id}))
(ok true)))
(define-public (unlist-in-ustx (id uint))
(begin
(asserts! (is-sender-owner id) (err ERR-NOT-AUTHORIZED))
(map-delete market id)
(print {a: "unlist-in-ustx", id: id})
(ok true)))
(define-public (buy-in-ustx (id uint) (comm-trait <commission-trait>))
(let ((owner (unwrap! (nft-get-owner? Songs-of-Innocence id) (err ERR-NOT-FOUND)))
(listing (unwrap! (map-get? market id) (err ERR-LISTING)))
(price (get price listing)))
(asserts! (is-eq (contract-of comm-trait) (get commission listing)) (err ERR-WRONG-COMMISSION))
(try! (stx-transfer? price tx-sender owner))
(try! (contract-call? comm-trait pay id price))
(try! (trnsfr id owner tx-sender))
(map-delete market id)
(print {a: "buy-in-ustx", id: id})
(ok true)))
;; Extra functionality required for mintpass
(define-public (toggle-sale-state)
(let
(
;; (premint (not (var-get premint-enabled)))
(sale (not (var-get sale-enabled)))
)
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-NOT-AUTHORIZED))
(var-set premint-enabled false)
(var-set sale-enabled sale)
(print { sale: sale })
(ok true)))
(define-public (enable-premint)
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-NOT-AUTHORIZED))
(ok (var-set premint-enabled true))))
(define-public (disable-premint)
(begin
(asserts! (or (is-eq tx-sender (var-get artist-address)) (is-eq tx-sender DEPLOYER)) (err ERR-NOT-AUTHORIZED))
(ok (var-set premint-enabled false))))
(define-read-only (get-passes (caller principal))
(default-to u0 (map-get? mint-passes caller)))
(define-read-only (get-premint-enabled)
(ok (var-get premint-enabled)))
(define-read-only (get-sale-enabled)
(ok (var-get sale-enabled)))
(define-public (burn (token-id uint))
(let
(
(next-id (var-get last-id))
)
(var-set last-id (+ u1 next-id))
(try! (nft-mint? Songs-of-Innocence next-id tx-sender))
(print "You said burn, so I burned you another copy of the album.")
(ok true)))