import NonFungibleToken from 0x1d7e57aa55817448 import MetadataViews from 0x1d7e57aa55817448 import Fixes from 0xd2abb5dbf5e08666 import FixesWrappedNFT from 0xd2abb5dbf5e08666 import FRC20NFTWrapper from 0xd2abb5dbf5e08666 transaction( wrapperAddr: Address, nftCollectionIdentifier: String, nftIds: [UInt64], keepWrapped: Bool, ) { let wrapper: &FRC20NFTWrapper.Wrapper{FRC20NFTWrapper.WrapperPublic} let wrappedNFTCol: &FixesWrappedNFT.Collection let nftProvider: &{NonFungibleToken.Provider, NonFungibleToken.Receiver, NonFungibleToken.CollectionPublic} prepare(acct: AuthAccount) { self.wrapper = FRC20NFTWrapper.borrowWrapperPublic(addr: wrapperAddr) ?? panic("Could not borrow public reference") // Create a new empty collection if acct.borrow<&FixesWrappedNFT.Collection>(from: FixesWrappedNFT.CollectionStoragePath) == nil { // Create a new empty collection let collection <- FixesWrappedNFT.createEmptyCollection() // save it to the account acct.save(<-collection, to: FixesWrappedNFT.CollectionStoragePath) // create a public capability for the collection acct.link<&FixesWrappedNFT.Collection{FixesWrappedNFT.FixesWrappedNFTCollectionPublic,NonFungibleToken.CollectionPublic,NonFungibleToken.Receiver,MetadataViews.ResolverCollection}>( FixesWrappedNFT.CollectionPublicPath, target: FixesWrappedNFT.CollectionStoragePath ) } self.wrappedNFTCol = acct.borrow<&FixesWrappedNFT.Collection>(from: FixesWrappedNFT.CollectionStoragePath)! // Find the nft to wrap let nftColType = FRC20NFTWrapper.asCollectionType(nftCollectionIdentifier) var nftProviderRef: &{NonFungibleToken.Provider, NonFungibleToken.Receiver, NonFungibleToken.CollectionPublic}? = nil acct.forEachStored(fun (path: StoragePath, type: Type): Bool { if type == nftColType { if let colRef = acct.borrow<&{NonFungibleToken.Provider, NonFungibleToken.Receiver, NonFungibleToken.CollectionPublic}>(from: path) { nftProviderRef = colRef return false } } return true }) assert( nftProviderRef != nil, message: "Could not find NFT collection with identifier: ".concat(nftCollectionIdentifier) ) self.nftProvider = nftProviderRef! } pre { nftIds.length > 0: "Must provide at least one NFT ID" } execute { for uid in nftIds { let nftToWrap <- self.nftProvider.withdraw(withdrawID: uid) let newWrappedNFTId = self.wrapper.wrap( recipient: self.wrappedNFTCol, nftToWrap: <- nftToWrap ) // If we don't want to keep the wrapped NFT, unwrap it // and destroy the inscription if !keepWrapped { let wrappedNft <- self.wrappedNFTCol.withdraw(withdrawID: newWrappedNFTId) as! @FixesWrappedNFT.NFT let ins <- FixesWrappedNFT.unwrap( recipient: self.nftProvider, nftToUnwrap: <- wrappedNft ) destroy ins } } } }

Transaction