(impl-trait 'SP3FBR2AGK5H9QBDH3EEN6DF8EK8JY7RX8QJ5SVTE.sip-010-trait-ft-standard.sip-010-trait)
(define-fungible-token rALEX)
(define-constant contract-owner tx-sender)
(define-data-var token-uri (optional (string-utf8 256)) (some u"https://bafkreid3xj22fyt4kb75trcm5ennnken7pfzd3o7tljkyo4x3klgi6mrae.ipfs.dweb.link/"))
(define-constant ERR_UNAUTHORIZED (err u100))
(define-public (transfer
(amount uint)
(sender principal)
(recipient principal)
(memo (optional (buff 34)))
)
(begin
(asserts! (is-eq tx-sender sender) ERR_UNAUTHORIZED)
(try! (ft-transfer? rALEX amount sender recipient))
(match memo to-print (print to-print) 0x)
(ok true)
)
)
(define-read-only (get-balance (owner principal))
(ok (ft-get-balance rALEX owner))
)
(define-read-only (get-name)
(ok "rALEX")
)
(define-read-only (get-symbol)
(ok "alexdao.org")
)
(define-read-only (get-decimals)
(ok u0)
)
(define-read-only (get-total-supply)
(ok (ft-get-supply rALEX))
)
(define-read-only (get-token-uri)
(ok (var-get token-uri)
)
)
(define-public (set-token-uri (value (string-utf8 256)))
(if (is-eq tx-sender contract-owner)
(ok (var-set token-uri (some value)))
(err ERR_UNAUTHORIZED)
)
)
(define-public (airdrop (recipients (list 1000 { 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? rALEX u10000000000000000 contract-owner))
)