From d0641a44290e78b0fed93106149adaadc2347860 Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Fri, 29 Jul 2022 13:49:26 +0100
Subject: [PATCH] Add UpdateBackupFunc callback

---
 .../Callbacks/UpdateBackupFunc.swift          | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Sources/ElixxirDAppsSDK/Callbacks/UpdateBackupFunc.swift

diff --git a/Sources/ElixxirDAppsSDK/Callbacks/UpdateBackupFunc.swift b/Sources/ElixxirDAppsSDK/Callbacks/UpdateBackupFunc.swift
new file mode 100644
index 00000000..5748695f
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/Callbacks/UpdateBackupFunc.swift
@@ -0,0 +1,37 @@
+import Bindings
+import XCTestDynamicOverlay
+
+public struct UpdateBackupFunc {
+  public init(handle: @escaping (Data) -> Void) {
+    self.handle = handle
+  }
+
+  public var handle: (Data) -> Void
+}
+
+extension UpdateBackupFunc {
+  public static let unimplemented = UpdateBackupFunc(
+    handle: XCTUnimplemented("\(Self.self)")
+  )
+}
+
+extension UpdateBackupFunc {
+  func makeBindingsUpdateBackupFunc() -> BindingsUpdateBackupFuncProtocol {
+    class CallbackObject: NSObject, BindingsUpdateBackupFuncProtocol {
+      init(_ callback: UpdateBackupFunc) {
+        self.callback = callback
+      }
+
+      let callback: UpdateBackupFunc
+
+      func updateBackup(_ encryptedBackup: Data?) {
+        guard let encryptedBackup = encryptedBackup else {
+          fatalError("BindingsUpdateBackupFunc received `nil` encryptedBackup")
+        }
+        callback.handle(encryptedBackup)
+      }
+    }
+
+    return CallbackObject(self)
+  }
+}
-- 
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