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1/// transactions/nft/buy.cdc
2
3import NonFungibleToken from 0x1d7e57aa55817448
4import MetadataViews from 0x1d7e57aa55817448
5import KARATKD026SBT from 0x79fee68789403899
6import FungibleToken from 0xf233dcee88fe0abe
7import FungibleTokenMetadataViews from 0xf233dcee88fe0abe
8
9
10transaction(amount: UFix64, name: String, artist: String, artistAddress: Address, description: String, royalty: UFix64, typeID: String) {
11
12
13  let nftMinter: &KARATKD026SBT.NFTMinter
14  /// Reference to the buyer's collection
15  let buyerRecipientCollectionRef: &{NonFungibleToken.Receiver}
16
17
18  prepare(
19    minter: auth(BorrowValue) &Account,
20    seller: auth(BorrowValue, IssueStorageCapabilityController, PublishCapability, SaveValue) &Account,
21    buyer: auth(BorrowValue, IssueStorageCapabilityController, PublishCapability, SaveValue, UnpublishCapability) &Account)
22  {
23
24    let collectionData = KARATKD026SBT.resolveContractView(resourceType: nil, viewType: Type<MetadataViews.NFTCollectionData>()) as! MetadataViews.NFTCollectionData?
25            ?? panic("ViewResolver does not resolve NFTCollectionData view")
26
27    // enable buyer nft
28    if buyer.storage.borrow<&KARATKD026SBT.Collection>(from: collectionData.storagePath) == nil {
29      // Create a new empty collection
30      let collection <- KARATKD026SBT.createEmptyCollection(nftType: Type<@KARATKD026SBT.NFT>())
31
32      // save it to the account
33      buyer.storage.save(<-collection, to: collectionData.storagePath)
34
35      // create a public capability for the collection
36      buyer.capabilities.unpublish(collectionData.publicPath)
37      let collectionCap = buyer.capabilities.storage.issue<&KARATKD026SBT.Collection>(collectionData.storagePath)
38      buyer.capabilities.publish(collectionCap, at: collectionData.publicPath)
39    }
40
41    // Borrow the recipient's public NFT collection reference
42    self.buyerRecipientCollectionRef = getAccount(buyer.address).capabilities.borrow<&{NonFungibleToken.Receiver}>(collectionData.publicPath)
43      ?? panic("Could not get receiver reference to the buyer's NFT Collection")
44
45
46    // borrow a reference to the NFTMinter resource in storage
47    self.nftMinter = minter.storage.borrow<&KARATKD026SBT.NFTMinter>(from: KARATKD026SBT.AdminStoragePath)
48        ?? panic("Account does not store an object at the specified path")
49  }
50
51	execute {
52
53		let metadata=KARATKD026SBT.Metadata(name: name, artist: artist, artistAddress: artistAddress, description: description, type: typeID, serialId: 1, royalty: royalty)
54    // Mint the NFT and deposit it to the recipient's collection
55    self.nftMinter.mintNFT(recipient: self.buyerRecipientCollectionRef, metadata: metadata)
56	}
57}