import NonFungibleToken from 0x1d7e57aa55817448 import Beam from 0x86b4a0010a71cfc3 import FungibleToken from 0xf233dcee88fe0abe import FlowToken from 0x1654653399040a61 // This transaction transfers a Collectible to a recipient // This transaction is how a Beam user would transfer a Collectible // from their account to another account // The recipient must have a Beam Collection object stored // and a public NiftoryCollectionPublic capability stored at // Beam.CollectionPublicPath // Parameters: // // recipient: The Flow address of the account to receive the Collectible. // withdrawID: The id of the Collectible to be transferred transaction(recipient: Address, withdrawID: UInt64) { // local variable for storing the transferred token let transferToken: @NonFungibleToken.NFT // variables for sending FLOW if recipient balance is too low let sentVault: @FungibleToken.Vault? prepare(acct: AuthAccount) { // borrow a reference to the owner's collection let collectionRef = acct.borrow<&Beam.Collection>(from: Beam.CollectionStoragePath) ?? panic("Could not borrow a reference to the stored Beam collection") // withdraw the NFT self.transferToken <- collectionRef.withdraw(withdrawID: withdrawID) // setup a vault to transfer money in case recipient does not have enough. // 10kb is the threshold for the refill, and the recipient will be given .001 FLOW. if acct.storageCapacity - acct.storageUsed < 10000 { let vaultRef = acct.borrow<&FlowToken.Vault>(from: /storage/flowTokenVault) ?? panic("failed to borrow reference to sender vault") self.sentVault <- vaultRef.withdraw(amount: 0.001) } else { self.sentVault <- nil } } execute { // get the recipient's public account object let recipient = getAccount(recipient) // get the Collection reference for the receiver let receiverRef = recipient.getCapability(Beam.CollectionPublicPath).borrow<&{Beam.BeamCollectionPublic}>() ?? panic("Cannot borrow a reference to the recipient's collectible collection") // transfer FLOW if recipient balance is too low if let _sentVault <- self.sentVault { let receiverFlowVaultRef = recipient .getCapability(/public/flowTokenReceiver) .borrow<&{FungibleToken.Receiver}>() ?? panic("failed to borrow reference to recipient vault") receiverFlowVaultRef.deposit(from: <- _sentVault) } else { destroy self.sentVault } // deposit the NFT in the receivers collection receiverRef.deposit(token: <-self.transferToken) } }

Transaction