import FlowToken from 0x1654653399040a61 import FiatToken from 0xb19436aae4d94622 import FungibleToken from 0xf233dcee88fe0abe import NonFungibleToken from 0x1d7e57aa55817448 import MetapierLaunchpadPass from 0x10dda1b950d84c1a import MetapierLaunchpad from 0x10dda1b950d84c1a transaction(poolId: String, amount: UFix64) { let userAddress: Address let funds: @FungibleToken.Vault let passCollectionRef: &MetapierLaunchpadPass.Collection prepare(launchpadUser: AuthAccount) { self.userAddress = launchpadUser.address if launchpadUser.borrow<&MetapierLaunchpadPass.Collection>(from: MetapierLaunchpadPass.CollectionStoragePath) == nil { // create a new collection if missing let passCollection <- MetapierLaunchpadPass.createEmptyCollection() // save the collection to storage launchpadUser.save(<- passCollection, to: MetapierLaunchpadPass.CollectionStoragePath) // create a link for public collection launchpadUser.link<&MetapierLaunchpadPass.Collection{NonFungibleToken.CollectionPublic, MetapierLaunchpadPass.CollectionPublic}>( MetapierLaunchpadPass.CollectionPublicPath, target: MetapierLaunchpadPass.CollectionStoragePath ) } self.passCollectionRef = launchpadUser.borrow<&MetapierLaunchpadPass.Collection>(from: MetapierLaunchpadPass.CollectionStoragePath)! let fundsTokenVault = launchpadUser.borrow<&FlowToken.Vault>(from: /storage/flowTokenVault) ?? panic("Could not borrow a reference to funds vault") self.funds <- fundsTokenVault.withdraw(amount: amount) } execute { let poolRef = MetapierLaunchpad.getPublicLaunchPoolById(poolId: poolId) ?? panic("launch pool not found") var passId: UInt64 = 0 if let participantInfo = poolRef.getParticipantInfo(address: self.userAddress) { // user already has a pass for this pool passId = participantInfo.passId } else { // user never participated this pool, create a new pass let publicCollectionCap = getAccount(self.userAddress) .getCapability<&{NonFungibleToken.CollectionPublic}>(MetapierLaunchpadPass.CollectionPublicPath) passId = MetapierLaunchpadPass.mintNewPass( recipient: publicCollectionCap, fundsVault: <- FlowToken.createEmptyVault(), launchTokenVault: <- FiatToken.createEmptyVault() ) } let passRef = self.passCollectionRef.borrowPrivatePass(id: passId) let amount = self.funds.balance // use the pass to participate properly passRef.depositFunds(vault: <- self.funds) poolRef.depositFunds(privatePass: passRef, amount: amount) } }

Transaction