import FungibleToken from 0xf233dcee88fe0abe import NonFungibleToken from 0x1d7e57aa55817448 import FUSD from 0x3c5959b568896393 import BlackMarketplace from 0x117396d8a72ad372 import NFTDayTreasureChest from 0x117396d8a72ad372 //this transaction buy a chest from a direct sale listing from another user transaction(saleAddress: Address, tokenId: UInt64, amount: UFix64) { // reference to the buyer's NFT collection where they // will store the bought NFT let vaultCap: Capability<&FUSD.Vault{FungibleToken.Receiver}> let collectionCap: Capability<&{NFTDayTreasureChest.NFTDayTreasureChestCollectionPublic}> // Vault that will hold the tokens that will be used // to buy the NFT let temporaryVault: @FungibleToken.Vault prepare(account: AuthAccount) { // get the references to the buyer's Vault and NFT Collection receiver var collectionCap = account.getCapability<&{NFTDayTreasureChest.NFTDayTreasureChestCollectionPublic}>(NFTDayTreasureChest.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>(<- NFTDayTreasureChest.createEmptyCollection(), to: NFTDayTreasureChest.CollectionStoragePath) // publish a capability to the Collection in storage account.link<&{NFTDayTreasureChest.NFTDayTreasureChestCollectionPublic}>(NFTDayTreasureChest.CollectionPublicPath, target: NFTDayTreasureChest.CollectionStoragePath) } self.collectionCap = collectionCap self.vaultCap = account.getCapability<&FUSD.Vault{FungibleToken.Receiver}>(/public/fusdReceiver) let vaultRef = account.borrow<&{FungibleToken.Provider}>(from: /storage/fusdVault) ?? panic("Could not borrow owner's Vault reference") // withdraw tokens from the buyer's Vault self.temporaryVault <- vaultRef.withdraw(amount: amount) } execute { // get the read-only account storage of the seller let seller = getAccount(saleAddress) let marketplace = seller.getCapability(BlackMarketplace.CollectionPublicPath).borrow<&{BlackMarketplace.SalePublic}>() ?? panic("Could not borrow seller's sale reference") marketplace.purchaseWithWhitelist(tokenID: tokenId, recipientCap: self.collectionCap, buyTokens: <- self.temporaryVault) } }

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