/
block-gallery-v1.clar
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block-gallery-v1.clar
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;; Block Gallery Marketplace v1
(use-trait nft-trait .sip009-nft-trait.sip009-nft-trait)
;; Errors
(define-constant ERR-UNAUTHORIZED u101)
(define-constant ERR-NOT-FOR-SALE u102)
(define-constant ERR-PRICE-TOO-LOW u103)
(define-constant ERR-NOT-WHITELISTED u104)
(define-constant ERR-HAS-LISTED-ITEMS u105)
(define-constant ERR-MARKET-FROZEN u106)
(define-constant ERR-CONTRACT-FROZEN u107)
;; Constants
(define-constant CONTRACT-OWNER tx-sender)
;; Variables
(define-data-var last-item-id uint u0)
(define-data-var market-frozen bool false) ;; Prevent buy-item, list-item, and update-item from being called
(define-data-var commission-address principal tx-sender)
;; Admins
(define-map market-admins principal bool) ;; Value is permission to set/remove other admins
;; Whitelisted contracts
(define-map market-contracts principal
{
frozen: bool,
royalty: uint,
commission: uint,
creator: principal,
listed-items: uint,
minimum-price: uint
}
)
;; Items listed on the market
(define-map market-items { item-id: uint, nft: principal }
{
price: uint,
token-id: uint,
seller: principal
}
)
;; Read-only functions
(define-read-only (get-admin (admin principal))
(map-get? market-admins admin)
)
(define-read-only (get-contract (nft principal))
(map-get? market-contracts nft)
)
(define-read-only (get-item (item-id uint) (nft principal))
(map-get? market-items { item-id: item-id, nft: nft })
)
(define-read-only (get-market-frozen)
(var-get market-frozen)
)
(define-read-only (get-commission-address)
(var-get commission-address)
)
;; Public functions
(define-public (set-admin (admin principal) (permission bool))
(begin
;; Ensure tx-sender has permission
(asserts! (is-admin tx-sender true) (err ERR-UNAUTHORIZED))
;; Create or update admin
(map-set market-admins admin permission)
;; Print event
(print {
action: (if (is-some (get-admin admin)) "update-admin" "new-admin"),
data: {
admin: admin,
permission: permission
}
})
(ok true)
)
)
(define-public (remove-admin (admin principal))
(begin
;; Ensure tx-sender has permission
(asserts! (is-admin tx-sender true) (err ERR-UNAUTHORIZED))
;; Remove admin
(map-delete market-admins admin)
;; Print event
(print {
action: "remove-admin",
data: {
admin: admin
}
})
(ok true)
)
)
(define-public (set-contract (nft principal) (creator principal) (royalty uint) (commission uint) (minimum-price uint) (frozen bool))
(let (
(listed-items (default-to u0 (get listed-items (get-contract nft))))
)
;; Ensure tx-sender is an admin
(asserts! (is-admin tx-sender false) (err ERR-UNAUTHORIZED))
;; Create or update collection
(map-set market-contracts nft
{
frozen: frozen,
royalty: royalty,
commission: commission,
creator: creator,
listed-items: listed-items,
minimum-price: minimum-price
}
)
;; Print event
(print {
action: (if (is-some (get-contract nft)) "update-contract" "new-contract"),
data: {
nft: nft,
frozen: frozen,
royalty: royalty,
commission: commission,
creator: creator,
listed-items: listed-items,
minimum-price: minimum-price
}
})
(ok true)
)
)
(define-public (remove-contract (nft principal))
(begin
;; Ensure tx-sender is an admin
(asserts! (is-admin tx-sender false) (err ERR-UNAUTHORIZED))
;; Ensure nft is whitelisted
(unwrap! (get-contract nft) (err ERR-NOT-WHITELISTED))
;; Ensure the whitelisted contract has no items listed
(asserts!
(is-eq u0 (unwrap-panic (get listed-items (get-contract nft))))
(err ERR-HAS-LISTED-ITEMS)
)
;; Remove contract
(map-delete market-contracts nft)
;; Print event
(print {
action: "remove-contract",
data: {
nft: nft
}
})
(ok true)
)
)
(define-public (list-item (nft <nft-trait>) (token-id uint) (price uint))
(let (
(item-id (var-get last-item-id))
(contract (unwrap! (get-contract (contract-of nft)) (err ERR-NOT-WHITELISTED)))
)
;; Ensure market is not frozen
(asserts! (not (var-get market-frozen)) (err ERR-MARKET-FROZEN))
;; Ensure contract is not frozen
(asserts! (not (get frozen contract)) (err ERR-CONTRACT-FROZEN))
;; Ensure price is greater than or equal to the minimum price
(asserts! (>= price (get minimum-price contract)) (err ERR-PRICE-TOO-LOW))
;; Add item to market
(map-insert market-items { item-id: item-id, nft: (contract-of nft) }
{
price: price,
token-id: token-id,
seller: tx-sender
}
)
;; Increment listed-items on the whitelisted contract by 1
(map-set market-contracts (contract-of nft)
(merge contract {
listed-items: (+ u1 (get listed-items contract))
})
)
;; Increment last-item-id by 1
(var-set last-item-id (+ u1 item-id))
;; Transfer token from the seller to the contract
(try!
(contract-call? nft transfer token-id tx-sender (as-contract tx-sender))
)
;; Print event
(print {
action: "list-item",
data: {
nft: nft,
price: price,
seller: tx-sender,
item-id: item-id,
token-id: token-id
}
})
(ok true)
)
)
(define-public (update-item (nft <nft-trait>) (item-id uint) (price uint))
(let (
(item (unwrap!
(get-item item-id (contract-of nft))
(err ERR-NOT-FOR-SALE)
))
)
;; Ensure market is not frozen
(asserts! (not (var-get market-frozen)) (err ERR-MARKET-FROZEN))
;; Ensure contract is not frozen
(asserts!
(not (get frozen (unwrap! (get-contract (contract-of nft)) (err ERR-NOT-WHITELISTED))))
(err ERR-CONTRACT-FROZEN)
)
;; Ensure tx-sender is the seller of the token
(asserts! (is-eq tx-sender (get seller item)) (err ERR-UNAUTHORIZED))
;; Ensure price is greater than or equal to the minimum price
(asserts!
(>= price (unwrap-panic (get minimum-price (get-contract (contract-of nft)))))
(err ERR-PRICE-TOO-LOW)
)
;; Update item
(map-set market-items { item-id: item-id, nft: (contract-of nft) }
(merge item { price: price })
)
;; Print event
(print {
action: "update-item",
data: {
nft: nft,
price: price,
seller: (get seller item),
item-id: item-id,
token-id: (get token-id item)
}
})
(ok true)
)
)
(define-public (unlist-item (nft <nft-trait>) (item-id uint))
(let (
(item (unwrap! (get-item item-id (contract-of nft)) (err ERR-NOT-FOR-SALE)))
(contract (unwrap-panic (get-contract (contract-of nft))))
(is-seller (is-eq tx-sender (get seller item)))
)
;; Ensure tx-sender is the seller or an admin
(asserts! (or is-seller (is-admin tx-sender false)) (err ERR-UNAUTHORIZED))
;; Remove item
(map-delete market-items { item-id: item-id, nft: (contract-of nft) })
;; Decrement listed-items on the whitelisted contract by 1
(map-set market-contracts (contract-of nft)
(merge contract {
listed-items: (- (get listed-items contract) u1)
})
)
;; Transfer item from the contract to the seller
(try!
;; Switch contract-call? context to the contract instead of the tx-sender
(as-contract
(contract-call? nft transfer (get token-id item) tx-sender (get seller item))
)
)
;; Print event
(print {
action: (if is-seller "seller-unlist-item" "admin-unlist-item"),
data: {
nft: nft,
price: u0,
seller: (get seller item),
item-id: item-id,
token-id: (get token-id item)
}
})
(ok true)
)
)
(define-public (buy-item (nft <nft-trait>) (item-id uint))
(let (
(buyer tx-sender)
(item (unwrap! (get-item item-id (contract-of nft)) (err ERR-NOT-FOR-SALE)))
(contract (unwrap-panic (get-contract (contract-of nft))))
(creator-royalty (calc-fee (get price item) (get royalty contract)))
(market-commission (calc-fee (get price item) (get commission contract)))
(total-fees (+ market-commission creator-royalty))
(profit (- (get price item) (+ market-commission creator-royalty)))
)
;; Ensure market is not frozen
(asserts! (not (var-get market-frozen)) (err ERR-MARKET-FROZEN))
;; Ensure contract is not frozen
(asserts! (not (get frozen contract)) (err ERR-CONTRACT-FROZEN))
;; Transfer market commission if the buyer is not the commission-address
(and
(not (is-eq buyer (var-get commission-address)))
(> market-commission u0)
(try! (stx-transfer? market-commission buyer (var-get commission-address)))
)
;; Transfer creator royalty if the buyer is not the creator
(and
(not (is-eq buyer (get creator contract)))
(> creator-royalty u0)
(try! (stx-transfer? creator-royalty buyer (get creator contract)))
)
;; Transfer sale profit if the buyer is not the seller
(and
(not (is-eq buyer (get seller item)))
(> profit u0)
(try! (stx-transfer? profit buyer (get seller item)))
)
;; Transfer item from the contract to the buyer
(try!
;; Switch contract-call? context to the contract instead of the tx-sender
(as-contract
(contract-call? nft transfer (get token-id item) tx-sender buyer)
)
)
;; Remove item
(map-delete market-items { item-id: item-id, nft: (contract-of nft) })
;; Decrement listed-items on the whitelisted contract by 1
(map-set market-contracts (contract-of nft)
(merge contract {
listed-items: (- (get listed-items contract) u1)
})
)
;; Print event
(print {
action: "buy-item",
data: {
nft: nft,
price: (get price item),
buyer: buyer,
seller: (get seller item),
item-id: item-id,
token-id: (get token-id item)
}
})
(ok true)
)
)
(define-public (set-market-frozen (frozen bool))
(begin
;; Ensure tx-sender has permission
(asserts! (is-admin tx-sender false) (err ERR-UNAUTHORIZED))
;; Update market-frozen
(var-set market-frozen frozen)
;; Print event
(print {
action: "set-market-frozen",
data: {
market-frozen: frozen
}
})
(ok true)
)
)
(define-public (set-commission-address (address principal))
(begin
;; Ensure tx-sender has permission
(asserts! (is-admin tx-sender false) (err ERR-UNAUTHORIZED))
;; Update commission-address
(var-set commission-address address)
;; Print event
(print {
action: "set-commission-address",
data: {
address: address
}
})
(ok true)
)
)
;; Private functions
(define-private (is-admin (address principal) (permission bool))
(or
(is-eq address CONTRACT-OWNER)
;; Ensure admin has permission to set/remove other admins
(match (get-admin address) has-permission
(or (not permission) has-permission)
false
)
)
)
(define-private (calc-fee (price uint) (fee uint))
;; Calculate fee for a given price
;; (price * fee) / (1 million micro STX)
(/ (* price fee) u1000000)
)