Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramCore/Sources/State/ManagedVoipConfigurationUpdates.swift

@@ -0,0 +1,27 @@
+import Foundation
+import Postbox
+import SwiftSignalKit
+import TelegramApi
+import MtProtoKit
+
+func managedVoipConfigurationUpdates(postbox: Postbox, network: Network) -> Signal<Void, NoError> {
+    let poll = Signal<Void, NoError> { subscriber in
+        return (network.request(Api.functions.phone.getCallConfig())
+        |> retryRequest
+        |> mapToSignal { result -> Signal<Void, NoError> in
+            return postbox.transaction { transaction -> Void in
+                switch result {
+                    case let .dataJSON(data):
+                        updateVoipConfiguration(transaction: transaction, { configuration in
+                            var configuration = configuration
+                            configuration.serializedData = data
+                            return configuration
+                        })
+                }
+            }
+        }).start(completed: {
+            subscriber.putCompletion()
+        })
+    }
+    return (poll |> then(.complete() |> suspendAwareDelay(12.0 * 60.0 * 60.0, queue: Queue.concurrentDefaultQueue()))) |> restart
+}