import NonFungibleToken from 0x631e88ae7f1d7c20 import MetadataViews from 0x631e88ae7f1d7c20 import TuneGONFTV5 from 0x58b60c5240d3f39b import TuneGO from 0x58b60c5240d3f39b import TicalUniverse from 0x58b60c5240d3f39b import PackNFT from 0x58b60c5240d3f39b import DapperStorageRent from 0x43ee8c22fcf94ea3 import PrivateReceiverForwarder from 0x668b91e2995c2eba import FungibleToken from 0x9a0766d93b6608b7 pub fun setupTuneGO(_ account: AuthAccount): &TuneGO.Collection { let capability = account.getCapability<&{NonFungibleToken.CollectionPublic, TuneGO.TuneGOCollectionPublic, MetadataViews.ResolverCollection}>(TuneGO.CollectionPublicPath) if account.getLinkTarget(TuneGO.CollectionPublicPath) != nil && capability.check() == false { account.unlink(TuneGO.CollectionPublicPath) } account.link<&{NonFungibleToken.CollectionPublic, TuneGO.TuneGOCollectionPublic, MetadataViews.ResolverCollection}>( TuneGO.CollectionPublicPath, target: TuneGO.CollectionStoragePath ) if let existingCollectionRef = account.borrow<&TuneGO.Collection>(from: TuneGO.CollectionStoragePath) { return existingCollectionRef } let collection <- TuneGO.createEmptyCollection() as! @TuneGO.Collection let collectionRef = &collection as &TuneGO.Collection account.save(<-collection, to: TuneGO.CollectionStoragePath) return collectionRef } pub fun setupTicalUniverse(_ account: AuthAccount): &TicalUniverse.Collection { let capability = account.getCapability<&{NonFungibleToken.CollectionPublic, TicalUniverse.TicalUniverseCollectionPublic, MetadataViews.ResolverCollection}>(TicalUniverse.CollectionPublicPath) if account.getLinkTarget(TicalUniverse.CollectionPublicPath) != nil && capability.check() == false { account.unlink(TicalUniverse.CollectionPublicPath) } account.link<&{NonFungibleToken.CollectionPublic, TicalUniverse.TicalUniverseCollectionPublic, MetadataViews.ResolverCollection}>( TicalUniverse.CollectionPublicPath, target: TicalUniverse.CollectionStoragePath ) if let existingCollectionRef = account.borrow<&TicalUniverse.Collection>(from: TicalUniverse.CollectionStoragePath) { return existingCollectionRef } let collection <- TicalUniverse.createEmptyCollection() as! @TicalUniverse.Collection let collectionRef = &collection as &TicalUniverse.Collection account.save(<-collection, to: TicalUniverse.CollectionStoragePath) return collectionRef } pub fun setupTuneGONFTV5(_ account: AuthAccount): &TuneGONFTV5.Collection { let capability = account.getCapability<&{NonFungibleToken.CollectionPublic, TuneGONFTV5.TuneGONFTV5CollectionPublic, MetadataViews.ResolverCollection}>(TuneGONFTV5.CollectionPublicPath) if account.getLinkTarget(TuneGONFTV5.CollectionPublicPath) != nil && capability.check() == false { account.unlink(TuneGONFTV5.CollectionPublicPath) } account.link<&{NonFungibleToken.CollectionPublic, TuneGONFTV5.TuneGONFTV5CollectionPublic, MetadataViews.ResolverCollection}>( TuneGONFTV5.CollectionPublicPath, target: TuneGONFTV5.CollectionStoragePath ) if let existingCollectionRef = account.borrow<&TuneGONFTV5.Collection>(from: TuneGONFTV5.CollectionStoragePath) { return existingCollectionRef } let collection <- TuneGONFTV5.createEmptyCollection() as! @TuneGONFTV5.Collection let collectionRef = &collection as &TuneGONFTV5.Collection account.save(<-collection, to: TuneGONFTV5.CollectionStoragePath) return collectionRef } pub fun setupPackCollection(_ signer: AuthAccount): &PackNFT.Collection { let type = signer.type(at: PackNFT.CollectionStoragePath) if type != nil && type != Type<@PackNFT.Collection>() { let objectAddress = type!.identifier.slice(from: 2, upTo: 18) let backupPath = StoragePath(identifier: "backupPackNFTCollection_".concat(objectAddress))! signer.save<@AnyResource>(<-signer.load<@AnyResource>(from: PackNFT.CollectionStoragePath)!, to: backupPath); } // if the account doesn't already have a collection if signer.borrow<&PackNFT.Collection>(from: PackNFT.CollectionStoragePath) == nil { // Create a collection to receive Pack NFTs let collection <- PackNFT.createEmptyCollection() signer.save(<-collection, to: PackNFT.CollectionStoragePath) } // remove old public capability for the collection if not compatibile let capability = signer.getCapability<&PackNFT.Collection{NonFungibleToken.CollectionPublic, MetadataViews.ResolverCollection, PackNFT.IPackNFTCollectionPublic}>(PackNFT.CollectionPublicPath); if signer.getLinkTarget(PackNFT.CollectionPublicPath) != nil && capability.check() == false { signer.unlink(PackNFT.CollectionPublicPath) } let capability2 = signer.getCapability<&PackNFT.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic, PackNFT.IPackNFTCollectionPrivate}>(PackNFT.CollectionPrivatePath); if signer.getLinkTarget(PackNFT.CollectionPrivatePath) != nil && capability2.check() == false { signer.unlink(PackNFT.CollectionPrivatePath) } // create new public capability for the collection signer.link<&PackNFT.Collection{NonFungibleToken.CollectionPublic, MetadataViews.ResolverCollection, PackNFT.IPackNFTCollectionPublic}>(PackNFT.CollectionPublicPath, target: PackNFT.CollectionStoragePath) signer.link<&PackNFT.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic, PackNFT.IPackNFTCollectionPrivate}>(PackNFT.CollectionPrivatePath, target: PackNFT.CollectionStoragePath) return signer.borrow<&PackNFT.Collection>(from: PackNFT.CollectionStoragePath)! } pub fun getOrCreateNFTCollectionRef(signer: AuthAccount, contractName: String): &{NonFungibleToken.Receiver} { switch contractName { case "TuneGONFTV5": return setupTuneGONFTV5(signer) case "TuneGO": return setupTuneGO(signer) case "TicalUniverse": return setupTicalUniverse(signer) case "PackNFT": return setupPackCollection(signer) } panic("Contract not supported") } pub fun refillStorage(_ address: Address, supplier: &FungibleToken.Vault?): Bool? { let acct = getAccount(address) var storageRemain = acct.storageCapacity - acct.storageUsed let refillThreshold = DapperStorageRent.getStorageRentRefillThreshold() if storageRemain > refillThreshold { return nil } if !acct.getCapability<&PrivateReceiverForwarder.Forwarder>(PrivateReceiverForwarder.PrivateReceiverPublicPath).check() { return false } if DapperStorageRent.checkEligibility(address) { DapperStorageRent.tryRefill(address) } storageRemain = acct.storageCapacity - acct.storageUsed if storageRemain > refillThreshold { return true } if supplier == nil { return false } if supplier!.owner == nil || supplier!.owner!.availableBalance < 0.01 { return false } let returned <- DapperStorageRent.fundedRefillV2(address: address, tokens: <-supplier!.withdraw(amount: 0.01)) supplier!.deposit(from:<-returned) storageRemain = acct.storageCapacity - acct.storageUsed return storageRemain > refillThreshold } pub fun getOrCreateNFTProviderCapability(account: AuthAccount, contractName: String): Capability<&{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}> { switch contractName { case "TuneGONFTV5": let tunegoNFTCollectionProviderPrivatePath = TuneGONFTV5.CollectionPrivatePath if !account.getCapability<&TuneGONFTV5.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(tunegoNFTCollectionProviderPrivatePath)!.check() { account.link<&TuneGONFTV5.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>( tunegoNFTCollectionProviderPrivatePath, target: TuneGONFTV5.CollectionStoragePath ) } return account.getCapability<&TuneGONFTV5.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(tunegoNFTCollectionProviderPrivatePath)! case "TuneGO": let tunegoCollectionProviderPrivatePath = /private/tunegoCollectionProvider if !account.getCapability<&TuneGO.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(tunegoCollectionProviderPrivatePath)!.check() { account.link<&TuneGO.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>( tunegoCollectionProviderPrivatePath, target: TuneGO.CollectionStoragePath ) } return account.getCapability<&TuneGO.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(tunegoCollectionProviderPrivatePath)! case "TicalUniverse": let ticalUniverseCollectionProviderPrivatePath = /private/ticalUniverseCollectionProvider if !account.getCapability<&TicalUniverse.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(ticalUniverseCollectionProviderPrivatePath).check()! { account.link<&TicalUniverse.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>( ticalUniverseCollectionProviderPrivatePath, target: TicalUniverse.CollectionStoragePath ) } return account.getCapability<&TicalUniverse.Collection{NonFungibleToken.Provider, NonFungibleToken.CollectionPublic}>(ticalUniverseCollectionProviderPrivatePath)! } panic("Contract not supported") } transaction( recipientAddress: Address, nftId: UInt64, contractName: String, expiration: UInt64, tag: String? ) { let nft: @NonFungibleToken.NFT let depositRef: &{NonFungibleToken.Receiver} prepare(provider: AuthAccount, recipient: AuthAccount) { assert(recipient.address == recipientAddress, message: "Incorrect recipient") assert(UInt64(getCurrentBlock().timestamp) <= expiration, message: "Claim expired") refillStorage(recipient.address, supplier: provider.borrow<&FungibleToken.Vault>(from: /storage/flowTokenVault)) // borrow a reference to the signer's NFT collection let collectionRef = getOrCreateNFTProviderCapability(account: provider, contractName: contractName).borrow() ?? panic("Could not borrow a reference to the provider's collection") self.nft <-collectionRef.withdraw(withdrawID: nftId) // borrow a public reference to the receivers collection self.depositRef = getOrCreateNFTCollectionRef(signer: recipient, contractName: contractName) } execute { TuneGONFTV5.claimNFT(nft: <- self.nft, receiver: self.depositRef, tag: tag) } }

🎉Happy diving into the flow

Transaction

🎉Happy diving into the flow