import TopShot from 0x0b2a3299cc857e29 import FlowToken from 0x1654653399040a61 import FungibleToken from 0xf233dcee88fe0abe import TokenForwarding from 0xe544175ee0461c4b import DapperUtilityCoin from 0xead892083b3e2c6c import PrivateReceiverForwarder from 0x18eb4ee6b3c026d2 // This transaction is used to create a user's Flow account, initializing it with a key that we control, // a TopShot moment collection and receiver, and a FlowToken receiver that forwards tokens to Dapper. transaction(publicKeys: [[UInt8]]) { prepare(dapperPayer: AuthAccount) { // Pay for the account creation with the Dapper payer let acct = AuthAccount(payer: dapperPayer) for key in publicKeys { acct.addPublicKey(key) } let collection <- TopShot.createEmptyCollection() // Put a new Collection in storage acct.save(<-collection, to: /storage/MomentCollection) // create a public capability for the collection acct.link<&{TopShot.MomentCollectionPublic}>(/public/MomentCollection, target: /storage/MomentCollection) // Destroy Dapper user's FLOW token receiver acct.unlink(/public/flowTokenReceiver) // Create a private receiver acct.link<&{FungibleToken.Receiver}>( /private/flowTokenReceiver, target: /storage/flowTokenVault ) let receiverCapability = acct.getCapability<&{FungibleToken.Receiver}>(/private/flowTokenReceiver) // Use the private receiver to create a private forwarder let forwarder <- PrivateReceiverForwarder.createNewForwarder(recipient: receiverCapability) acct.save(<-forwarder, to: PrivateReceiverForwarder.PrivateReceiverStoragePath) acct.link<&PrivateReceiverForwarder.Forwarder>( PrivateReceiverForwarder.PrivateReceiverPublicPath, target: PrivateReceiverForwarder.PrivateReceiverStoragePath ) // Get a Receiver reference for the Dapper account that will be the recipient of the forwarded DUC let dapper = getAccount(0xead892083b3e2c6c) let dapperDUCReceiver = dapper.getCapability(/public/dapperUtilityCoinReceiver)! // Create a new Forwarder resource for DUC and store it in the new account's storage let ducForwarder <- TokenForwarding.createNewForwarder(recipient: dapperDUCReceiver) acct.save(<-ducForwarder, to: /storage/dapperUtilityCoinReceiver) // Publish a Receiver capability for the new account, which is linked to the DUC Forwarder acct.link<&DapperUtilityCoin.Vault{FungibleToken.Receiver}>( /public/dapperUtilityCoinReceiver, target: /storage/dapperUtilityCoinReceiver ) } }

Transaction