import NonFungibleToken from 0x1d7e57aa55817448 import DarkCountry from 0xc8c340cebd11f690 import DarkCountryMarket from 0xc8c340cebd11f690 import FungibleToken from 0xf233dcee88fe0abe import FlowToken from 0x1654653399040a61 transaction(startSaleItemID: UInt64, itemsCount: UInt64, saleItemPrice: UFix64) { let flowVault: Capability<&FlowToken.Vault{FungibleToken.Receiver}> let darkCountryCollection: Capability<&DarkCountry.Collection{NonFungibleToken.Provider}> let marketCollection: &DarkCountryMarket.Collection // only Admin can make a sale for pre-ordered items // local variable for storing the admin reference let admin: &DarkCountryMarket.Admin // should have the admin resource prepare(signer: AuthAccount) { // we need a provider capability, but one is not provided by default so we create one. let DarkCountryCollectionProviderPrivatePath = /private/darkCountryCollectionProvider self.flowVault = signer.getCapability<&FlowToken.Vault{FungibleToken.Receiver}>(/public/flowTokenReceiver)! assert(self.flowVault.borrow() != nil, message: "Missing or mis-typed Flow receiver") if !signer.getCapability<&DarkCountry.Collection{NonFungibleToken.Provider}>(DarkCountryCollectionProviderPrivatePath)!.check() { signer.link<&DarkCountry.Collection{NonFungibleToken.Provider}>(DarkCountryCollectionProviderPrivatePath, target: DarkCountry.CollectionStoragePath) } self.darkCountryCollection = signer.getCapability<&DarkCountry.Collection{NonFungibleToken.Provider}>(DarkCountryCollectionProviderPrivatePath)! assert(self.darkCountryCollection.borrow() != nil, message: "Missing or mis-typed DarkCountryCollection provider") self.marketCollection = signer.borrow<&DarkCountryMarket.Collection>(from: DarkCountryMarket.CollectionStoragePath) ?? panic("Missing or mis-typed DarkCountryMarket Collection") // borrow a reference to the Admin resource in storage self.admin = signer.borrow<&DarkCountryMarket.Admin>(from: DarkCountryMarket.AdminStoragePath) ?? panic("Could not borrow a reference to the market admin") } execute { var i: UInt64 = (0 as UInt64) while i < itemsCount { let offer <- self.admin.createPreOrderSaleOffer ( sellerItemProvider: self.darkCountryCollection, itemID: startSaleItemID + i, sellerPaymentReceiver: self.flowVault, price: saleItemPrice ) self.marketCollection.insert(offer: <-offer) i = i + (1 as UInt64) } } }

Transaction