Add MessengerVerifyContact function

Sources/XXMessengerClient/Messenger/Functions/MessengerVerifyContact.swift

+import XCTestDynamicOverlay
+import XXClient
+
+public struct MessengerVerifyContact {
+  public var run: (Contact) throws -> Bool
+
+  public func callAsFunction(_ contact: Contact) throws -> Bool {
+    try run(contact)
+  }
+}
+
+extension MessengerVerifyContact {
+  public static func live(_ env: MessengerEnvironment) -> MessengerVerifyContact {
+    MessengerVerifyContact { contact in
+      // TODO:
+      return false
+    }
+  }
+}
+
+extension MessengerVerifyContact {
+  public static let unimplemented = MessengerVerifyContact(
+    run: XCTUnimplemented("\(Self.self)")
+  )
+}

Sources/XXMessengerClient/Messenger/Messenger.swift

@@ -21,6 +21,7 @@ public struct Messenger {
   public var destroy: MessengerDestroy
   public var searchUsers: MessengerSearchUsers
   public var registerForNotifications: MessengerRegisterForNotifications
+  public var verifyContact: MessengerVerifyContact
 }
 
 extension Messenger {
@@ -45,7 +46,8 @@ extension Messenger {
       waitForNodes: .live(env),
       destroy: .live(env),
       searchUsers: .live(env),
-      registerForNotifications: .live(env)
+      registerForNotifications: .live(env),
+      verifyContact: .live(env)
     )
   }
 }
@@ -71,6 +73,7 @@ extension Messenger {
     waitForNodes: .unimplemented,
     destroy: .unimplemented,
     searchUsers: .unimplemented,
-    registerForNotifications: .unimplemented
+    registerForNotifications: .unimplemented,
+    verifyContact: .unimplemented
   )
 }

Tests/XXMessengerClientTests/Messenger/Functions/MessengerVerifyContactTests.swift

+import CustomDump
+import XCTest
+import XXClient
+@testable import XXMessengerClient
+
+final class MessengerVerifyContactTests: XCTestCase {
+  func testVerify() throws {
+    var env: MessengerEnvironment = .unimplemented
+    let verify: MessengerVerifyContact = .live(env)
+    let contact = Contact.unimplemented("data".data(using: .utf8)!)
+
+    let result = try verify(contact)
+
+    XCTAssertNoDifference(result, false)
+  }
+}