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1/// point24/transactions/mint.cdc
2
3import FungibleToken from 0xf233dcee88fe0abe
4import FungibleTokenMetadataViews from 0xf233dcee88fe0abe
5import NonFungibleToken from 0x1d7e57aa55817448
6import MetadataViews from 0x1d7e57aa55817448
7import POINT24 from 0x215f3ac76cb49656
8
9transaction(
10  amount: UFix64,
11  metadata: {String: String}
12) {
13    /// Reference to the Token Minter Resource object
14    let tokenAdmin: &POINT24.Administrator
15    let tokenReceiver: &{FungibleToken.Receiver}
16
17    prepare(
18      minter: auth(BorrowValue) &Account,
19      receiver: auth(BorrowValue, IssueStorageCapabilityController, PublishCapability, SaveValue, UnpublishCapability) &Account
20    ) {
21
22      let vaultData = POINT24.resolveContractView(resourceType: nil, viewType: Type<FungibleTokenMetadataViews.FTVaultData>()) as! FungibleTokenMetadataViews.FTVaultData?
23            ?? panic("ViewResolver does not resolve FTVaultData view")
24
25      // enable receiver token
26      if receiver.storage.borrow<&POINT24.Vault>(from: vaultData.storagePath) == nil {
27        let vault <- POINT24.createEmptyVault(vaultType: Type<@POINT24.Vault>())
28
29        // Create a new POINT24 Vault and put it in storage
30        receiver.storage.save(<-vault, to: vaultData.storagePath)
31
32        // Create a public capability to the Vault that exposes the Vault interfaces
33        let vaultCap = receiver.capabilities.storage.issue<&POINT24.Vault>(vaultData.storagePath)
34        receiver.capabilities.publish(vaultCap, at: vaultData.metadataPath)
35
36        // Create a public Capability to the Vault's Receiver functionality
37        let receiverCap = receiver.capabilities.storage.issue<&POINT24.Vault>(vaultData.storagePath)
38        receiver.capabilities.publish(receiverCap, at: vaultData.receiverPath)
39      }
40
41      self.tokenAdmin = minter.storage.borrow<&POINT24.Administrator>(from: POINT24.AdminStoragePath)
42          ?? panic("Signer is not the token admin")
43
44      self.tokenReceiver = getAccount(receiver.address).capabilities.borrow<&{FungibleToken.Receiver}>(vaultData.receiverPath)
45          ?? panic("Could not borrow receiver reference to the Vault")
46
47    }
48
49    execute {
50        if amount > UFix64(0) {
51          // Create mint tokens
52			    let tokenMinter <- self.tokenAdmin.createNewMinter()
53
54			    let mintedVault <- tokenMinter.mintTokens(amount: amount, metadata: metadata)
55
56          // Deposit them to the receiever
57          self.tokenReceiver.deposit(from: <-mintedVault)
58
59          destroy tokenMinter
60        }
61    }
62}