import FungibleToken from 0xf233dcee88fe0abe import TopShotMarketV3 from 0xc1e4f4f4c4257510 import TopShot from 0x0b2a3299cc857e29 import Market from 0xc1e4f4f4c4257510 transaction() { prepare(acct: AuthAccount) { // check if moment is currently listed var listed = false if let marketV3CollectionRef = acct.getCapability(/public/topshotSalev3Collection) .borrow<&{Market.SalePublic}>() { let salePrice = marketV3CollectionRef.getPrice(tokenID: UInt64(12254591)) if salePrice != nil { listed = true } } else if let marketV1CollectionRef = acct.getCapability(/public/topshotSaleCollection) .borrow<&{Market.SalePublic}>() { let salePrice = marketV1CollectionRef.getPrice(tokenID: UInt64(12254591)) if salePrice != nil { listed = true } } if listed { panic("moment is already listed for sale") } // check to see if a v3 sale collection already exists if acct.borrow<&TopShotMarketV3.SaleCollection>(from: TopShotMarketV3.marketStoragePath) == nil { // get the fungible token capabilities for the owner and beneficiary let ownerCapability = acct.getCapability<&{FungibleToken.Receiver}>(/public/dapperUtilityCoinReceiver) let beneficiaryCapability = getAccount(0xfaf0cc52c6e3acaf).getCapability<&{FungibleToken.Receiver}>(/public/dapperUtilityCoinReceiver) let ownerCollection = acct.link<&TopShot.Collection>(/private/MomentCollection, target: /storage/MomentCollection)! // get a capability for the v1 collection var v1SaleCollection: Capability<&Market.SaleCollection>? = nil if acct.borrow<&Market.SaleCollection>(from: /storage/topshotSaleCollection) != nil { v1SaleCollection = acct.link<&Market.SaleCollection>(/private/topshotSaleCollection, target: /storage/topshotSaleCollection)! } // create a new sale collection let topshotSaleCollection <- TopShotMarketV3.createSaleCollection(ownerCollection: ownerCollection, ownerCapability: ownerCapability, beneficiaryCapability: beneficiaryCapability, cutPercentage: 0.050000, marketV1Capability: v1SaleCollection) // save it to storage acct.save(<-topshotSaleCollection, to: TopShotMarketV3.marketStoragePath) // create a public link to the sale collection acct.link<&TopShotMarketV3.SaleCollection{Market.SalePublic}>(TopShotMarketV3.marketPublicPath, target: TopShotMarketV3.marketStoragePath) } // borrow a reference to the sale let topshotSaleCollection = acct.borrow<&TopShotMarketV3.SaleCollection>(from: TopShotMarketV3.marketStoragePath) ?? panic("Could not borrow from sale in storage") // put the moment up for sale topshotSaleCollection.listForSale(tokenID: 12254591, price: UFix64(400)) } }

Transaction