Add AuthCallbacks wrapper

Sources/ElixxirDAppsSDK/AuthCallbacks.swift

+import Bindings
+import XCTestDynamicOverlay
+
+public enum AuthCallback {
+  case confirm(contact: Data, receptionId: Data, ephemeralId: Int64, roundId: Int64)
+  case request(contact: Data, receptionId: Data, ephemeralId: Int64, roundId: Int64)
+  case reset(contact: Data, receptionId: Data, ephemeralId: Int64, roundId: Int64)
+}
+
+public struct AuthCallbacks {
+  public init(handle: @escaping (AuthCallback) -> Void) {
+    self.handle = handle
+  }
+
+  public var handle: (AuthCallback) -> Void
+}
+
+extension AuthCallbacks {
+  public static let unimplemented = AuthCallbacks(
+    handle: XCTUnimplemented("\(Self.self)")
+  )
+}
+
+extension AuthCallbacks {
+  func makeBindingsAuthCallbacks() -> BindingsAuthCallbacksProtocol {
+    class Handler: NSObject, BindingsAuthCallbacksProtocol {
+      init(_ callbacks: AuthCallbacks) {
+        self.callbacks = callbacks
+      }
+
+      let callbacks: AuthCallbacks
+
+      func confirm(_ contact: Data?, receptionId: Data?, ephemeralId: Int64, roundId: Int64) {
+        guard let contact = contact else {
+          fatalError("BindingsAuthCallbacks.confirm received `nil` contact")
+        }
+        guard let receptionId = receptionId else {
+          fatalError("BindingsAuthCallbacks.confirm received `nil` receptionId")
+        }
+        callbacks.handle(.confirm(
+          contact: contact,
+          receptionId: receptionId,
+          ephemeralId: ephemeralId,
+          roundId: roundId
+        ))
+      }
+
+      func request(_ contact: Data?, receptionId: Data?, ephemeralId: Int64, roundId: Int64) {
+        guard let contact = contact else {
+          fatalError("BindingsAuthCallbacks.request received `nil` contact")
+        }
+        guard let receptionId = receptionId else {
+          fatalError("BindingsAuthCallbacks.request received `nil` receptionId")
+        }
+        callbacks.handle(.request(
+          contact: contact,
+          receptionId: receptionId,
+          ephemeralId: ephemeralId,
+          roundId: roundId
+        ))
+      }
+
+      func reset(_ contact: Data?, receptionId: Data?, ephemeralId: Int64, roundId: Int64) {
+        guard let contact = contact else {
+          fatalError("BindingsAuthCallbacks.reset received `nil` contact")
+        }
+        guard let receptionId = receptionId else {
+          fatalError("BindingsAuthCallbacks.reset received `nil` receptionId")
+        }
+        callbacks.handle(.reset(
+          contact: contact,
+          receptionId: receptionId,
+          ephemeralId: ephemeralId,
+          roundId: roundId
+        ))
+      }
+    }
+
+    return Handler(self)
+  }
+}

Sources/ElixxirDAppsSDK/Login.swift

@@ -2,23 +2,24 @@ import Bindings
 import XCTestDynamicOverlay
 
 public struct Login {
-  public var run: (Int, Data, Data) throws -> E2E
+  public var run: (Int, AuthCallbacks?, Data, Data) throws -> E2E
 
   public func callAsFunction(
     cmixId: Int,
+    authCallbacks: AuthCallbacks? = nil,
     identity: Data,
     e2eParamsJSON: Data
   ) throws -> E2E {
-    try run(cmixId, identity, e2eParamsJSON)
+    try run(cmixId, authCallbacks, identity, e2eParamsJSON)
   }
 }
 
 extension Login {
-  public static let live = Login { cmixId, identity, e2eParamsJSON in
+  public static let live = Login { cmixId, authCallbacks, identity, e2eParamsJSON in
     var error: NSError?
     let bindingsE2E = BindingsLogin(
       cmixId,
-      nil, // TODO: pass callbacks
+      authCallbacks?.makeBindingsAuthCallbacks(),
       identity,
       e2eParamsJSON,
       &error