import FungibleToken from 0xf233dcee88fe0abe import NonFungibleToken from 0x1d7e57aa55817448 import Collectible, MarketPlace from 0xf5b0eb433389ac3f import FUSD from 0x3c5959b568896393 transaction( marketplace: Address, tokenId: UInt64, ) { // reference to the buyer's NFT collection where they // will store the bought NFT let vaultCap: Capability<&FUSD.Vault{FungibleToken.Receiver}> let collectionCap: Capability<&{Collectible.CollectionPublic}> // Vault that will hold the tokens that will be used // to buy the NFT let temporaryVault: @FUSD.Vault prepare(account: AuthAccount) { // get the references to the buyer's Vault and NFT Collection receiver var collectionCap = account.getCapability<&{Collectible.CollectionPublic}>(Collectible.CollectionPublicPath) // if collection is not created yet we make it. if !collectionCap.check() { // store an empty NFT Collection in account storage account.save<@NonFungibleToken.Collection>(<- Collectible.createEmptyCollection(), to: Collectible.CollectionStoragePath) // publish a capability to the Collection in storage account.link<&{Collectible.CollectionPublic}>(Collectible.CollectionPublicPath, target: Collectible.CollectionStoragePath) } self.collectionCap = collectionCap self.vaultCap = account.getCapability<&FUSD.Vault{FungibleToken.Receiver}>(/public/fusdReceiver) let vaultRef = account.borrow<&FUSD.Vault>(from: /storage/fusdVault) ?? panic("Could not borrow owner's Vault reference") let acct = getAccount(marketplace) let acctsaleRef = acct.getCapability<&AnyResource{MarketPlace.SaleCollectionPublic}>(MarketPlace.CollectionPublicPath) .borrow() ?? panic("Could not borrow nft sale reference") let amount = acctsaleRef.idPrice(tokenID: tokenId) ?? panic("Price cannot be nil") // withdraw tokens from the buyer's Vault self.temporaryVault <- vaultRef.withdraw(amount: amount) as! @FUSD.Vault } execute { // get the read-only account storage of the seller let seller = getAccount(marketplace) let marketplace= seller.getCapability(MarketPlace.CollectionPublicPath).borrow<&{MarketPlace.SaleCollectionPublic}>() ?? panic("Could not borrow seller's sale reference") marketplace.purchase( tokenID: tokenId, recipientCap: self.collectionCap, buyTokens: <- self.temporaryVault ) } }

Transaction