import FlowToken from 0x7e60df042a9c0868 import FungibleToken from 0x9a0766d93b6608b7 import NonFungibleToken from 0x631e88ae7f1d7c20 import MetadataViews from 0x631e88ae7f1d7c20 import NFTCatalog from 0x324c34e1c517e4db import NFTStorefrontV2 from 0x86aa0c21d6fe4ead /// Transaction used to facilitate the creation of the listing under the signer's owned storefront resource. /// It accepts the certain details from the signer,i.e. - /// /// `saleItemID` - ID of the NFT that is put on sale by the seller. /// `saleItemPrice` - Amount of tokens (FT) buyer needs to pay for the purchase of listed NFT. /// `customID` - Optional string to represent identifier of the dapp. /// `commissionAmount` - Commission amount that will be taken away by the purchase facilitator. /// `expiry` - Unix timestamp at which created listing become expired. /// `marketplacesAddress` - List of addresses that are allowed to get the commission. /// If the given nft has a support of the RoyaltyView then royalties will added as the sale cut. transaction(saleItemPrice: UFix64) { let flowReceiver: Capability<&AnyResource{FungibleToken.Receiver}> // TODO: When MetadataViews default implementation is available, use the following line. // let collectionCap: Capability<&AnyResource{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}> let collectionCap: Capability<&AnyResource{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}> let storefront: &NFTStorefrontV2.Storefront var saleCuts: [NFTStorefrontV2.SaleCut] let saleItemID: UInt64 let nftType: Type let collectionIdentifier: String let customID: String let commissionAmount: UFix64 let expiry: UFix64 prepare(acct: AuthAccount) { let seed = unsafeRandom() self.collectionIdentifier = "FlowtyTestNFT" self.customID = "flowty" self.commissionAmount = saleItemPrice * 0.025 self.expiry = getCurrentBlock().timestamp + 7200.0 // two hours if acct.borrow<&NFTStorefrontV2.Storefront>(from: NFTStorefrontV2.StorefrontStoragePath) == nil { // Create a new empty Storefront let storefront <- NFTStorefrontV2.createStorefront() as! @NFTStorefrontV2.Storefront // save it to the account acct.save(<-storefront, to: NFTStorefrontV2.StorefrontStoragePath) // create a public capability for the Storefront acct.link<&NFTStorefrontV2.Storefront{NFTStorefrontV2.StorefrontPublic}>(NFTStorefrontV2.StorefrontPublicPath, target: NFTStorefrontV2.StorefrontStoragePath) } let value = NFTCatalog.getCatalogEntry(collectionIdentifier: self.collectionIdentifier) ?? panic("Provided collection is not in the NFT Catalog.") self.saleCuts = [] // We need a provider capability, but one is not provided by default so we create one if needed. let nftCollectionProviderPrivatePath = PrivatePath(identifier: "nftCollectionProviderForNFTStorefront".concat(self.collectionIdentifier))! // Receiver for the sale cut. self.flowReceiver = acct.getCapability<&{FungibleToken.Receiver}>(/public/flowTokenReceiver) assert(self.flowReceiver.borrow() != nil, message: "Missing or mis-typed FlowToken receiver") // Check if the Provider capability exists or not if `no` then create a new link for the same. if !acct.getCapability<&{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(nftCollectionProviderPrivatePath).check() { acct.unlink(nftCollectionProviderPrivatePath) acct.link<&{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(nftCollectionProviderPrivatePath, target: value.collectionData.storagePath) } self.collectionCap = acct.getCapability<&{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(nftCollectionProviderPrivatePath) let collection = self.collectionCap.borrow<>() ?? panic("Could not borrow a reference to the collection") var totalRoyaltyCut = 0.0 let effectiveSaleItemPrice = saleItemPrice - self.commissionAmount let c = acct.borrow<&{NonFungibleToken.CollectionPublic}>(from: value.collectionData.storagePath) ?? panic("no collection setup") let ids = c.getIDs() let id = seed % UInt64(ids.length) self.saleItemID = ids[id] // Append the cut for the seller. self.saleCuts.append(NFTStorefrontV2.SaleCut( receiver: self.flowReceiver, amount: effectiveSaleItemPrice - totalRoyaltyCut )) assert(self.collectionCap.borrow() != nil, message: "Missing or mis-typed NonFungibleToken.Provider, NonFungibleToken.CollectionPublic provider") self.storefront = acct.borrow<&NFTStorefrontV2.Storefront>(from: NFTStorefrontV2.StorefrontStoragePath) ?? panic("Missing or mis-typed NFTStorefront Storefront") self.nftType = value.nftType } execute { // check for existing listings of the NFT var existingListingIDs = self.storefront.getExistingListingIDs( nftType: self.nftType, nftID: self.saleItemID ) // remove existing listings for listingID in existingListingIDs { self.storefront.removeListing(listingResourceID: listingID) } // Create listing self.storefront.createListing( nftProviderCapability: self.collectionCap, nftType: self.nftType, nftID: self.saleItemID, salePaymentVaultType: Type<@FlowToken.Vault>(), saleCuts: self.saleCuts, marketplacesCapability: nil, customID: self.customID, commissionAmount: self.commissionAmount, expiry: UInt64(self.expiry) ) } }

🎉Happy diving into the flow

Transaction

🎉Happy diving into the flow