/
stxtest.clar
81 lines (67 loc) · 2.34 KB
/
stxtest.clar
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(impl-trait 'SP3FBR2AGK5H9QBDH3EEN6DF8EK8JY7RX8QJ5SVTE.sip-010-trait-ft-standard.sip-010-trait)
(define-constant ERR-UNAUTHORIZED (err u401))
(define-fungible-token stxtest)
(define-data-var token-uri (optional (string-utf8 256)) (some u"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSU4k-aYugLY-VCvsZ-nKMJ2grgRrCt-VQmirbTQrHtyVie7mEzFkNI5w1ZdxkWOLK9K2g&usqp=CAU"))
(define-constant contract-creator tx-sender)
;; SIP-010 Standard
(define-public (transfer (amount uint) (from principal) (to principal) (memo (optional (buff 34))))
(begin
(asserts! (is-eq from tx-sender) ERR-UNAUTHORIZED)
(ft-transfer? stxtest amount from to)
)
)
(define-read-only (get-name)
(ok "stxtest")
)
(define-read-only (get-symbol)
(ok "niub")
)
(define-read-only (get-decimals)
(ok u6)
)
(define-read-only (get-balance (user principal))
(ok (ft-get-balance stxtest user)
)
)
(define-read-only (get-total-supply)
(ok (ft-get-supply stxtest)
)
)
(define-public (set-token-uri (value (string-utf8 256)))
(begin
(asserts! (is-eq tx-sender contract-creator) ERR-UNAUTHORIZED)
(var-set token-uri (some value))
(ok (print {
notification: "token-metadata-update",
payload: {
contract-id: (as-contract tx-sender),
token-class: "ft"
}
})
)
)
)
(define-read-only (get-token-uri)
(ok (var-get token-uri)
)
)
;; ---------------------------------------------------------
;; Utility Functions
;; ---------------------------------------------------------
(define-public (send-many (recipients (list 200 { to: principal, amount: uint, memo: (optional (buff 34)) })))
(fold check-err (map send-token recipients) (ok true))
)
(define-private (check-err (result (response bool uint)) (prior (response bool uint)))
(match prior ok-value result err-value (err err-value))
)
(define-private (send-token (recipient { to: principal, amount: uint, memo: (optional (buff 34)) }))
(send-token-with-memo (get amount recipient) (get to recipient) (get memo recipient))
)
(define-private (send-token-with-memo (amount uint) (to principal) (memo (optional (buff 34))))
(let ((transferOk (try! (transfer amount tx-sender to memo))))
(ok transferOk)
)
)
(begin
(try! (ft-mint? stxtest u1000000000000000000 contract-creator))
)