--- f10391e0deedae7117aac5f426b57b843bfbe8121b597f6c8d621afd4b495b7b.85398706 +++ crescendo-migration.85981134 @@ -1,34 +1,43 @@ import NonFungibleToken from 0x1d7e57aa55817448 import MetadataViews from 0x1d7e57aa55817448 import FungibleToken from 0xf233dcee88fe0abe +import ViewResolver from 0x1d7e57aa55817448 -pub contract KARATZ1MFHVSBT: NonFungibleToken { - pub let CollectionStoragePath: StoragePath - pub let CollectionPublicPath: PublicPath - pub let AdminStoragePath: StoragePath +access(all) contract KARATZ1MFHVSBT: NonFungibleToken { - pub var totalSupply: UInt64 + access(all) let CollectionStoragePath: StoragePath + access(all) let CollectionPublicPath: PublicPath + access(all) let AdminStoragePath: StoragePath - pub event ContractInitialized() - pub event Withdraw(id: UInt64, from: Address?) - pub event Deposit(id: UInt64, to: Address?) - pub event Minted(id: UInt64, metadata: Metadata) + access(all) var totalSupply: UInt64 - pub resource NFT: NonFungibleToken.INFT, MetadataViews.Resolver { - pub let id: UInt64 - pub let metadata: Metadata + access(all) event ContractInitialized() + access(all) event Withdraw(id: UInt64, from: Address?) + access(all) event Deposit(id: UInt64, to: Address?) + access(all) event Minted(id: UInt64, metadata: Metadata) + access(all) resource NFT: NonFungibleToken.NFT { + access(all) let id: UInt64 + access(all) let metadata: Metadata + init(initID: UInt64, initMetadata: Metadata) { self.id = initID self.metadata = initMetadata } - pub fun getMetadata(): Metadata { + access(all) view fun getMetadata(): Metadata { return self.metadata } - pub fun getViews(): [Type] { + /// createEmptyCollection creates an empty Collection + /// and returns it to the caller so that they can own NFTs + /// @{NonFungibleToken.Collection} + access(all) fun createEmptyCollection(): @{NonFungibleToken.Collection} { + return <-KARATZ1MFHVSBT.createEmptyCollection(nftType: Type<@KARATZ1MFHVSBT.NFT>()) + } + + access(all) view fun getViews(): [Type] { return [ Type(), Type(), @@ -41,20 +36,20 @@ ] } - pub fun resolveView(_ view: Type): AnyStruct? { + access(all) fun resolveView(_ view: Type): AnyStruct? { switch view { case Type(): return MetadataViews.Display( name: self.metadata.name, description: self.metadata.description, thumbnail: MetadataViews.HTTPFile( - url: "https://market.24karat.io/api/items/KARATZ1MFHVSBT/".concat(self.id.toString()).concat("/thumbnail") + url: "https://market.24karat.io/api/items/".concat(self.id.toString()).concat("/thumbnail") ) ) case Type(): // There is no max number of NFTs that can be minted from this contract // so the max edition field value is set to nil - let editionInfo = MetadataViews.Edition(name: "KARATZ1MFHVSBT NFT Edition", number: self.id, max: nil) + let editionInfo = MetadataViews.Edition(name: "24Karat NFT Edition", number: self.id, max: nil) let editionList: [MetadataViews.Edition] = [editionInfo] return MetadataViews.Editions( editionList @@ -66,23 +50,21 @@ case Type(): return MetadataViews.Royalties( [MetadataViews.Royalty( - receiver: getAccount(self.metadata.artistAddress).getCapability<&{FungibleToken.Receiver}>(MetadataViews.getRoyaltyReceiverPublicPath()), + receiver: getAccount(self.metadata.artistAddress).capabilities.get<&{FungibleToken.Receiver}>(MetadataViews.getRoyaltyReceiverPublicPath())!, cut: self.metadata.royalty, - description: "The Royalty of KARATZ1MFHVSBT NFT" + description: "The Royalty of 24Karat NFT" )] ) case Type(): - return MetadataViews.ExternalURL("https://market.24karat.io/nfts/KARATZ1MFHVSBT/".concat(self.id.toString())) + return MetadataViews.ExternalURL("https://market.24karat.io/nfts/".concat(self.id.toString())) case Type(): return MetadataViews.NFTCollectionData( storagePath: KARATZ1MFHVSBT.CollectionStoragePath, publicPath: KARATZ1MFHVSBT.CollectionPublicPath, - providerPath: /private/KARATZ1MFHVSBTCollection, - publicCollection: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic}>(), - publicLinkedType: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic,NonFungibleToken.CollectionPublic,NonFungibleToken.Receiver,MetadataViews.ResolverCollection}>(), - providerLinkedType: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic,NonFungibleToken.CollectionPublic,NonFungibleToken.Provider,MetadataViews.ResolverCollection}>(), - createEmptyCollectionFunction: (fun (): @NonFungibleToken.Collection { - return <-KARATZ1MFHVSBT.createEmptyCollection() + publicCollection: Type<&KARATZ1MFHVSBT.Collection>(), + publicLinkedType: Type<&KARATZ1MFHVSBT.Collection>(), + createEmptyCollectionFunction: (fun(): @{NonFungibleToken.Collection} { + return <-KARATZ1MFHVSBT.createEmptyCollection(nftType: Type<@KARATZ1MFHVSBT.NFT>()) }) ) case Type(): @@ -93,8 +67,8 @@ mediaType: "image/png" ) return MetadataViews.NFTCollectionDisplay( - name: "and migu", - description: "This collection is used for KARATZ1MFHVSBT market.", + name: "The 24Karat Collection", + description: "This collection is used for 24Karat market.", externalURL: MetadataViews.ExternalURL("https://market.24karat.io"), squareImage: media, bannerImage: media, @@ -113,168 +87,130 @@ } } - // This is the interface that users can cast their KARATZ1MFHVSBT Collection as - // to allow others to deposit KARATZ1MFHVSBT into their Collection. It also allows for reading - // the details of KARATZ1MFHVSBT in the Collection. - pub resource interface KARATZ1MFHVSBTCollectionPublic { - pub fun deposit(token: @NonFungibleToken.NFT) - pub fun getIDs(): [UInt64] - pub fun borrowNFT(id: UInt64): &NonFungibleToken.NFT - pub fun borrowKARATZ1MFHVSBT(id: UInt64): &KARATZ1MFHVSBT.NFT? { - // If the result isn't nil, the id of the returned reference - // should be the same as the argument to the function - post { - (result == nil) || (result?.id == id): - "Cannot borrow KARATZ1MFHVSBT reference: The ID of the returned reference is incorrect" - } - } - } + access(all) struct Metadata { + access(all) let name: String + access(all) let artist: String + access(all) let artistAddress: Address + access(all) let description: String + access(all) let type: String + access(all) let serialId: UInt64 + access(all) let royalty: UFix64 - pub struct Metadata { - pub let name: String - pub let artist: String - pub let artistAddress:Address - pub let description: String - pub let type: String - pub let serialId: UInt64 - pub let royalty: UFix64 - - init( + init( name: String, artist: String, - artistAddress:Address, + artistAddress: Address, description: String, type: String, serialId: UInt64, royalty: UFix64 ) { - self.name=name - self.artist=artist - self.artistAddress=artistAddress - self.description=description - self.type=type - self.serialId=serialId - self.royalty=royalty + self.name = name + self.artist = artist + self.artistAddress = artistAddress + self.description = description + self.type = type + self.serialId = serialId + self.royalty = royalty } - } - // Collection - // A collection of KARATZ1MFHVSBT NFTs owned by an account - // - pub resource Collection: KARATZ1MFHVSBTCollectionPublic, NonFungibleToken.Provider, NonFungibleToken.Receiver, NonFungibleToken.CollectionPublic, MetadataViews.ResolverCollection { - // dictionary of NFT conforming tokens - // NFT is a resource type with an `UInt64` ID field - pub var ownedNFTs: @{UInt64: NonFungibleToken.NFT} + // Deprecated: Only here for backward compatibility. + access(all) resource interface KARATZ1MFHVSBTCollectionPublic {} + access(all) resource Collection: NonFungibleToken.Collection, KARATZ1MFHVSBTCollectionPublic { + access(all) var ownedNFTs: @{UInt64: {NonFungibleToken.NFT}} + init () { self.ownedNFTs <- {} } - // withdraw removes an NFT from the collection and moves it to the caller - pub fun withdraw(withdrawID: UInt64): @NonFungibleToken.NFT { - let token <- self.ownedNFTs.remove(key: withdrawID) ?? panic("missing NFT") + /// getSupportedNFTTypes returns a list of NFT types that this receiver accepts + access(all) view fun getSupportedNFTTypes(): {Type: Bool} { + let supportedTypes: {Type: Bool} = {} + supportedTypes[Type<@KARATZ1MFHVSBT.NFT>()] = true + return supportedTypes + } - emit Withdraw(id: token.id, from: self.owner?.address) + /// Returns whether or not the given type is accepted by the collection + /// A collection that can accept any type should just return true by default + access(all) view fun isSupportedNFTType(type: Type): Bool { + return type == Type<@KARATZ1MFHVSBT.NFT>() + } + /// withdraw removes an NFT from the collection and moves it to the caller + access(NonFungibleToken.Withdraw) fun withdraw(withdrawID: UInt64): @{NonFungibleToken.NFT} { + let token <- self.ownedNFTs.remove(key: withdrawID) + ?? panic("Could not withdraw an NFT with the provided ID from the collection") + return <-token } - // deposit takes a NFT and adds it to the collections dictionary - // and adds the ID to the id array - pub fun deposit(token: @NonFungibleToken.NFT) { - let token <- token as! @KARATZ1MFHVSBT.NFT - + access(all) fun deposit(token: @{NonFungibleToken.NFT}) { let id: UInt64 = token.id - - // add the new token to the dictionary which removes the old one let oldToken <- self.ownedNFTs[id] <- token - emit Deposit(id: id, to: self.owner?.address) - destroy oldToken } - // getIDs returns an array of the IDs that are in the collection - pub fun getIDs(): [UInt64] { + access(all) view fun getIDs(): [UInt64] { return self.ownedNFTs.keys } - pub fun borrowViewResolver(id: UInt64): &AnyResource{MetadataViews.Resolver} { - let nft = (&self.ownedNFTs[id] as auth &NonFungibleToken.NFT?)! - let karatNFT = nft as! &KARATZ1MFHVSBT.NFT - return karatNFT as &AnyResource{MetadataViews.Resolver} + /// Gets the amount of NFTs stored in the collection + access(all) view fun getLength(): Int { + return self.ownedNFTs.keys.length } - // borrowNFT gets a reference to an NFT in the collection - // so that the caller can read its metadata and call its methods - pub fun borrowNFT(id: UInt64): &NonFungibleToken.NFT { - return (&self.ownedNFTs[id] as &NonFungibleToken.NFT?)! + access(all) view fun borrowNFT(_ id: UInt64): &{NonFungibleToken.NFT}? { + return (&self.ownedNFTs[id] as &{NonFungibleToken.NFT}?) } - // borrowKARATZ1MFHVSBT - // Gets a reference to an NFT in the collection as a KARATZ1MFHVSBT, - // exposing all of its fields (including the metadata). - // This is safe as there are no functions that can be called on the KARATZ1MFHVSBT. - // - pub fun borrowKARATZ1MFHVSBT(id: UInt64): &KARATZ1MFHVSBT.NFT? { - if self.ownedNFTs[id] != nil { - // Create an authorized reference to allow downcasting - let ref = (&self.ownedNFTs[id] as auth &NonFungibleToken.NFT?)! - return ref as! &KARATZ1MFHVSBT.NFT + /// Borrow the view resolver for the specified NFT ID + access(all) view fun borrowViewResolver(id: UInt64): &{ViewResolver.Resolver}? { + if let nft = &self.ownedNFTs[id] as &{NonFungibleToken.NFT}? { + return nft as &{ViewResolver.Resolver} } - return nil } - destroy() { - destroy self.ownedNFTs + /// createEmptyCollection creates an empty Collection of the same type + /// and returns it to the caller + /// @return A an empty collection of the same type + access(all) fun createEmptyCollection(): @{NonFungibleToken.Collection} { + return <-KARATZ1MFHVSBT.createEmptyCollection(nftType: Type<@KARATZ1MFHVSBT.NFT>()) } } - // public function that anyone can call to create a new empty collection - pub fun createEmptyCollection(): @NonFungibleToken.Collection { + access(all) fun createEmptyCollection(nftType: Type): @{NonFungibleToken.Collection} { return <- create Collection() } - // Resource that an admin or something similar would own to be - // able to mint new NFTs - // - pub resource NFTMinter { - - // mintNFT mints a new NFT with a new ID - // and deposit it in the recipients collection using their collection reference - pub fun mintNFT(recipient: &{NonFungibleToken.CollectionPublic}, metadata: KARATZ1MFHVSBT.Metadata) { - - pre { - metadata.royalty <= 0.1: "royalty must lower than 0.1" - } - - // create a new NFT - let tokenId = KARATZ1MFHVSBT.totalSupply + (1 as UInt64) - var newNFT <- create NFT(initID: tokenId, initMetadata: metadata) - - // deposit it in the recipient's account using their reference - recipient.deposit(token: <-newNFT) - emit Minted(id: tokenId, metadata: metadata) - KARATZ1MFHVSBT.totalSupply = tokenId - } + access(all) view fun getContractViews(resourceType: Type?): [Type] { + return [ + Type(), + Type() + ] } - pub fun resolveView(_ view: Type): AnyStruct? { - switch view { + /// Function that resolves a metadata view for this contract. + /// + /// @param view: The Type of the desired view. + /// @return A structure representing the requested view. + /// + access(all) fun resolveContractView(resourceType: Type?, viewType: Type): AnyStruct? { + switch viewType { case Type(): - return MetadataViews.NFTCollectionData( - storagePath: KARATZ1MFHVSBT.CollectionStoragePath, - publicPath: KARATZ1MFHVSBT.CollectionPublicPath, - providerPath: /private/KARATZ1MFHVSBTCollection, - publicCollection: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic}>(), - publicLinkedType: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic,NonFungibleToken.CollectionPublic,NonFungibleToken.Receiver,MetadataViews.ResolverCollection}>(), - providerLinkedType: Type<&KARATZ1MFHVSBT.Collection{KARATZ1MFHVSBT.KARATZ1MFHVSBTCollectionPublic,NonFungibleToken.CollectionPublic,NonFungibleToken.Provider,MetadataViews.ResolverCollection}>(), - createEmptyCollectionFunction: (fun (): @NonFungibleToken.Collection { - return <-KARATZ1MFHVSBT.createEmptyCollection() + let collectionData = MetadataViews.NFTCollectionData( + storagePath: self.CollectionStoragePath, + publicPath: self.CollectionPublicPath, + publicCollection: Type<&KARATZ1MFHVSBT.Collection>(), + publicLinkedType: Type<&KARATZ1MFHVSBT.Collection>(), + createEmptyCollectionFunction: (fun(): @{NonFungibleToken.Collection} { + return <-KARATZ1MFHVSBT.createEmptyCollection(nftType: Type<@KARATZ1MFHVSBT.NFT>()) }) ) + return collectionData case Type(): let media = MetadataViews.Media( file: MetadataViews.HTTPFile( @@ -283,45 +170,42 @@ mediaType: "image/png" ) return MetadataViews.NFTCollectionDisplay( - name: "and migu", - description: "This collection is used for KARATZ1MFHVSBT market.", + name: "", + description: "", externalURL: MetadataViews.ExternalURL("https://market.24karat.io"), squareImage: media, bannerImage: media, - socials: { - "twitter": MetadataViews.ExternalURL("https://twitter.com/24karat_io") - } + socials: {} ) } return nil } - /// Function that returns all the Metadata Views implemented by a Non Fungible Token - /// - /// @return An array of Types defining the implemented views. This value will be used by - /// developers to know which parameter to pass to the resolveView() method. - /// - pub fun getViews(): [Type] { - return [ - Type(), - Type() - ] + access(all) resource NFTMinter { + access(all) fun mintNFT(recipient: &{NonFungibleToken.Receiver}, metadata: KARATZ1MFHVSBT.Metadata) { + pre { + metadata.royalty <= 0.1: "royalty must lower than 0.1" + } + + let tokenId = KARATZ1MFHVSBT.totalSupply + (1 as UInt64) + var newNFT <- create NFT(initID: tokenId, initMetadata: metadata) + recipient.deposit(token: <-newNFT) + emit Minted(id: tokenId, metadata: metadata) + KARATZ1MFHVSBT.totalSupply = tokenId + } } init() { - - // Set our named paths self.CollectionStoragePath = /storage/KARATZ1MFHVSBTCollection self.CollectionPublicPath = /public/KARATZ1MFHVSBTCollection self.AdminStoragePath = /storage/KARATZ1MFHVSBTAdmin - // Initialize the total supply self.totalSupply = 0 - // Create a Minter resource and save it to storage - let minter <- create NFTMinter() - self.account.save(<-minter, to: self.AdminStoragePath) + let minter: @KARATZ1MFHVSBT.NFTMinter <- create NFTMinter() + self.account.storage.save(<-minter, to: self.AdminStoragePath) + emit ContractInitialized() } }

🔔For EVM on Flow Block Explorer go to…

Contract

🔔For EVM on Flow Block Explorer go to…