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Fix billboard example contract #49

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Merged
lgalabru merged 3 commits into from
Jun 21, 2021
Merged

Fix billboard example contract #49

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b7c64c8
fix: add assert! and variable
reedrosenbluth Jun 17, 2021
d4c751e
fix: errors and add comments
reedrosenbluth Jun 17, 2021
fc14354
fix: remove asserts, errors
reedrosenbluth Jun 17, 2021
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fix: remove asserts, errors
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@reedrosenbluth
reedrosenbluth committed Jun 17, 2021
commit fc1435480a810519a7c289c4625c47bcf9d5edec
6 changes: 2 additions & 4 deletions examples/billboard/contracts/billboard.clar
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,6 @@

;; error consts
(define-constant ERR_STX_TRANSFER u0)
(define-constant ERR_SET_MESSAGE u1)
(define-constant ERR_SET_PRICE u2)

;; data vars
(define-data-var billboard-message (string-utf8 500) u"Hello World!")
Expand All @@ -26,10 +24,10 @@
(unwrap! (stx-transfer? cur-price tx-sender (as-contract tx-sender)) (err ERR_STX_TRANSFER))

;; update the billboard's message
(asserts! (var-set billboard-message message) (err ERR_SET_MESSAGE))
(var-set billboard-message message)

;; update the price of setting a message
(asserts! (var-set price new-price) (err ERR_SET_PRICE))
(var-set price new-price)

;; return the updated price
(ok new-price)
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