Add Monero subaccounts and subaddresses with a QR per address

apps/ios/Koins/AppModel.swift

@@ -14,6 +14,7 @@ final class AppModel: ObservableObject {
   @Published var statusMessage: String?
   @Published var moneroReady = false
   @Published var moneroAddress: String?
+  @Published var moneroAccounts: [MoneroAccount] = []
   /// Rough time remaining for the Monero sync, derived from observed block rate.
   @Published var syncEta: String?
 
@@ -228,8 +229,10 @@ final class AppModel: ObservableObject {
       if force || refreshTick == 1 || refreshTick % 4 == 0 {
         async let balanceCall = MoneroService.shared.balance()
         async let txCall = MoneroService.shared.transactions()
+        async let accountsCall = MoneroService.shared.accounts()
         balance = try await balanceCall
         transactions = try await txCall
+        moneroAccounts = try await accountsCall
       }
     } catch {
       errorMessage = error.localizedDescription
@@ -345,6 +348,24 @@ final class AppModel: ObservableObject {
     await MoneroService.shared.save()
   }
 
+  func addAccount(label: String = "") async throws {
+    _ = try await MoneroService.shared.createAccount(label: label)
+    await refresh(force: true)
+  }
+
+  func addSubaddress(accountIndex: Int, label: String = "") async throws {
+    _ = try await MoneroService.shared.createSubaddress(accountIndex: accountIndex, label: label)
+    await refresh(force: true)
+  }
+
+  /// Refreshes the account/subaddress tree independently of the active chain.
+  func loadAccounts() async {
+    guard moneroReady else { return }
+    if let accounts = try? await MoneroService.shared.accounts() {
+      moneroAccounts = accounts
+    }
+  }
+
   /// monero-cpp only writes the wallet file from save(), and its sync loop
   /// never does, so without this a restart re-scans from the beginning.
   private func checkpointWalletIfSyncing() async {