diff --git a/app/js/controllers.js b/app/js/controllers.js
index 7f256479..c0406e47 100644
--- a/app/js/controllers.js
+++ b/app/js/controllers.js
@@ -1111,9 +1111,10 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
       $rootScope.selectedPeerID = peerID;
       $scope.curDialog.peerID = peerID;
-      $scope.curDialog.inputPeer = AppPeersManager.getInputPeer(newPeer);
       $scope.historyFilter.mediaType = false;
 
+      AppPeersManager.getInputPeer(newPeer);
+
       updateBotActions();
       selectedCancel(true);
 
@@ -1309,7 +1310,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
           curLessJump = ++lessJump,
           limit = 0,
           backLimit = 20;
-      AppMessagesManager.getHistory($scope.curDialog.inputPeer, minID, limit, backLimit).then(function (historyResult) {
+      AppMessagesManager.getHistory($scope.curDialog.peerID, minID, limit, backLimit).then(function (historyResult) {
         lessActive = false;
         if (curJump != jump || curLessJump != lessJump) return;
 
@@ -1358,8 +1359,8 @@ angular.module('myApp.controllers', ['myApp.i18n'])
           inputMediaFilter = $scope.historyFilter.mediaType && {_: inputMediaFilters[$scope.historyFilter.mediaType]},
           limit = Config.Mobile ? 20 : 0,
           getMessagesPromise = inputMediaFilter
-        ? AppMessagesManager.getSearch($scope.curDialog.inputPeer, '', inputMediaFilter, maxID, limit)
-        : AppMessagesManager.getHistory($scope.curDialog.inputPeer, maxID, limit);
+        ? AppMessagesManager.getSearch($scope.curDialog.peerID, '', inputMediaFilter, maxID, limit)
+        : AppMessagesManager.getHistory($scope.curDialog.peerID, maxID, limit);
 
       getMessagesPromise.then(function (historyResult) {
         moreActive = false;
@@ -1425,8 +1426,8 @@ angular.module('myApp.controllers', ['myApp.i18n'])
       var curJump = ++jump,
           inputMediaFilter = $scope.historyFilter.mediaType && {_: inputMediaFilters[$scope.historyFilter.mediaType]},
           getMessagesPromise = inputMediaFilter
-        ? AppMessagesManager.getSearch($scope.curDialog.inputPeer, '', inputMediaFilter, maxID)
-        : AppMessagesManager.getHistory($scope.curDialog.inputPeer, maxID, limit, backLimit, prerenderedLen);
+        ? AppMessagesManager.getSearch($scope.curDialog.peerID, '', inputMediaFilter, maxID)
+        : AppMessagesManager.getHistory($scope.curDialog.peerID, maxID, limit, backLimit, prerenderedLen);
 
 
       $scope.state.mayBeHasMore = true;
@@ -1491,7 +1492,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
           }, 2800);
         }
 
-        AppMessagesManager.readHistory($scope.curDialog.inputPeer);
+        AppMessagesManager.readHistory($scope.curDialog.peerID);
 
         updateBotActions();
         updateChannelActions();
@@ -1666,7 +1667,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
     function selectedFlush () {
       ErrorService.confirm({type: 'HISTORY_FLUSH'}).then(function () {
-        AppMessagesManager.flushHistory($scope.curDialog.inputPeer).then(function () {
+        AppMessagesManager.flushHistory($scope.curDialog.peerID).then(function () {
           selectedCancel();
         });
       })
@@ -1860,7 +1861,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
           }
         } else {
           $timeout(function () {
-            AppMessagesManager.readHistory($scope.curDialog.inputPeer);
+            AppMessagesManager.readHistory($scope.curDialog.peerID);
           });
         }
 
@@ -1957,7 +1958,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
             }
           } else {
             $timeout(function () {
-              AppMessagesManager.readHistory($scope.curDialog.inputPeer);
+              AppMessagesManager.readHistory($scope.curDialog.peerID);
             });
           }
 
@@ -2045,7 +2046,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
     $rootScope.$watch('idle.isIDLE', function (newVal) {
       if (!newVal && $scope.curDialog && $scope.curDialog.peerID && !$scope.historyFilter.mediaType && !$scope.historyState.skipped) {
-        AppMessagesManager.readHistory($scope.curDialog.inputPeer);
+        AppMessagesManager.readHistory($scope.curDialog.peerID);
       }
       if (!newVal) {
         unreadAfterIdle = false;
@@ -2370,7 +2371,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
       if (newVal && newVal.length) {
         if (!$scope.historyFilter.mediaType && !$scope.historyState.skipped) {
-          AppMessagesManager.readHistory($scope.curDialog.inputPeer);
+          AppMessagesManager.readHistory($scope.curDialog.peerID);
         }
 
         var backupDraftObj = {};
@@ -2384,11 +2385,12 @@ angular.module('myApp.controllers', ['myApp.i18n'])
     }
 
     function onTyping () {
-      if ($scope.curDialog.inputPeer._ == 'inputPeerChannel') {
+      if (AppPeersManager.isChannel($scope.curDialog.peerID) &&
+          !AppPeersManager.isMegagroup($scope.curDialog.peerID)) {
         return false;
       }
       MtpApiManager.invokeApi('messages.setTyping', {
-        peer: $scope.curDialog.inputPeer,
+        peer: AppPeersManager.getInputPeerByID($scope.curDialog.peerID),
         action: {_: 'sendMessageTypingAction'}
       });
     }
@@ -3078,7 +3080,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
     $scope.flushHistory = function () {
       ErrorService.confirm({type: 'HISTORY_FLUSH'}).then(function () {
-        AppMessagesManager.flushHistory(AppPeersManager.getInputPeerByID($scope.userID)).then(function () {
+        AppMessagesManager.flushHistory($scope.userID).then(function () {
           $scope.goToHistory();
         });
       });
@@ -3238,7 +3240,7 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
     $scope.flushHistory = function () {
       ErrorService.confirm({type: 'HISTORY_FLUSH'}).then(function () {
-        AppMessagesManager.flushHistory(AppPeersManager.getInputPeerByID(-$scope.chatID)).then(function () {
+        AppMessagesManager.flushHistory(-$scope.chatID).then(function () {
           $rootScope.$broadcast('history_focus', {peerString: $scope.chatFull.peerString});
         });
       });
diff --git a/app/js/lib/tl_utils.js b/app/js/lib/tl_utils.js
index 1c356ab1..12be9f69 100644
--- a/app/js/lib/tl_utils.js
+++ b/app/js/lib/tl_utils.js
@@ -518,8 +518,18 @@ TLDeserialization.prototype.fetchObject = function (type, field) {
 
   if (type.substr(0, 6) == 'Vector' || type.substr(0, 6) == 'vector') {
     if (type.charAt(0) == 'V') {
-      var constructor = this.readInt(field + '[id]');
-      if (constructor != 0x1cb5c415) {
+      var constructor = this.readInt(field + '[id]'),
+          constructorCmp = uintToInt(constructor);
+
+      if (constructorCmp == 0x3072cfa1) { // Gzip packed
+        var compressed = this.fetchBytes(field + '[packed_string]'),
+            uncompressed = gzipUncompress(compressed),
+            buffer = bytesToArrayBuffer(uncompressed),
+            newDeserializer = (new TLDeserialization(buffer));
+
+        return newDeserializer.fetchObject(type, field);
+      }
+      if (constructorCmp != 0x1cb5c415) {
         throw new Error('Invalid vector constructor ' + constructor);
       }
     }
diff --git a/app/js/messages_manager.js b/app/js/messages_manager.js
index 759d98f8..1250838c 100644
--- a/app/js/messages_manager.js
+++ b/app/js/messages_manager.js
@@ -70,8 +70,8 @@ angular.module('myApp.services')
   var dialogsNum = 0;
   var minDialogsIndex = Math.pow(2, 50);
 
-  var migratedFrom = {};
-  var migratedTo = {};
+  var migratedFromTo = {};
+  var migratedToFrom = {};
 
   function getConversations (query, offsetIndex, limit) {
     var curDialogStorage = dialogsStorage;
@@ -234,8 +234,8 @@ angular.module('myApp.services')
             var chat = AppChatsManager.getChat(-peerID);
             if (chat && chat.migrated_to && chat.pFlags.deactivated) {
               var migratedToPeer = AppPeersManager.getPeerID(chat.migrated_to);
-              migratedFrom[peerID] = migratedToPeer;
-              migratedTo[migratedToPeer] = peerID;
+              migratedFromTo[peerID] = migratedToPeer;
+              migratedToFrom[migratedToPeer] = peerID;
               return;
             }
           }
@@ -323,8 +323,7 @@ angular.module('myApp.services')
     }
   }
 
-  function requestHistory (inputPeer, maxID, limit, offset) {
-    var peerID = AppPeersManager.getPeerID(inputPeer);
+  function requestHistory (peerID, maxID, limit, offset) {
     var isChannel = AppPeersManager.isChannel(peerID);
     var isMegagroup = isChannel && AppPeersManager.isMegagroup(peerID);
 
@@ -341,7 +340,7 @@ angular.module('myApp.services')
       });
     } else {
       promise = MtpApiManager.invokeApi('messages.getHistory', {
-        peer: inputPeer,
+        peer: AppPeersManager.getInputPeerByID(peerID),
         offset_id: maxID ? getMessageLocalID(maxID) : 0,
         add_offset: offset || 0,
         limit: limit || 0
@@ -472,15 +471,14 @@ angular.module('myApp.services')
     };
   }
 
-  function fillHistoryStorage (inputPeer, maxID, fullLimit, historyStorage) {
-    // console.log('fill history storage', inputPeer, maxID, fullLimit, angular.copy(historyStorage));
-    return requestHistory (inputPeer, maxID, fullLimit).then(function (historyResult) {
+  function fillHistoryStorage (peerID, maxID, fullLimit, historyStorage) {
+    // console.log('fill history storage', peerID, maxID, fullLimit, angular.copy(historyStorage));
+    var migratedNextPeer = migratedFromTo[peerID];
+    var migratedPrevPeer = migratedToFrom[peerID];
+    var isMigrated = migratedNextPeer !== undefined || migratedPrevPeer !== undefined;
+
+    return requestHistory (peerID, maxID, fullLimit).then(function (historyResult) {
       historyStorage.count = historyResult.count || historyResult.messages.length;
-      var peerID = AppPeersManager.getPeerID(inputPeer);
-      var migratedFromPeer = migratedTo[peerID];
-      // if () {
-      //   historyStorage.count++;
-      // }
 
       var offset = 0;
       if (!maxID && historyResult.messages.length) {
@@ -494,22 +492,41 @@ angular.module('myApp.services')
         }
       }
 
+      var wasTotalCount = historyStorage.history.length;
+
       historyStorage.history.splice(offset, historyStorage.history.length - offset);
       angular.forEach(historyResult.messages, function (message) {
         if (mergeReplyKeyboard(historyStorage, message)) {
-          $rootScope.$broadcast('history_reply_markup', {peerID: AppPeersManager.getPeerID(inputPeer)});
+          $rootScope.$broadcast('history_reply_markup', {peerID: peerID});
         }
         historyStorage.history.push(message.mid);
       });
 
-      fullLimit -= historyResult.messages.length;
+      var totalCount = historyStorage.history.length;
+      fullLimit -= (totalCount - wasTotalCount);
 
-      if (fullLimit > 0 &&
-          (historyStorage.history.length < historyStorage.count || migratedFromPeer)) {
-        maxID = historyStorage.history[historyStorage.history.length - 1];
-        return fillHistoryStorage(inputPeer, maxID, fullLimit, historyStorage);
+      if (isMigrated) {
+        historyStorage.count = Math.max(historyStorage.count, totalCount) + 1;
       }
 
+      if (fullLimit > 0) {
+        maxID = historyStorage.history[totalCount - 1];
+        if (isMigrated) {
+          if (!historyResult.messages.length) {
+            if (migratedPrevPeer) {
+              maxID = 0;
+              peerID = migratedPrevPeer;
+            } else {
+              historyStorage.count = totalCount;
+              return true;
+            }
+          }
+          return fillHistoryStorage(peerID, maxID, fullLimit, historyStorage);
+        }
+        else if (totalCount < historyStorage.count) {
+          return fillHistoryStorage(peerID, maxID, fullLimit, historyStorage);
+        }
+      }
       return true;
     });
   };
@@ -529,9 +546,11 @@ angular.module('myApp.services')
     return $q.when(result);
   }
 
-  function getHistory (inputPeer, maxID, limit, backLimit, prerendered) {
-    var peerID = AppPeersManager.getPeerID(inputPeer),
-        historyStorage = historiesStorage[peerID],
+  function getHistory (peerID, maxID, limit, backLimit, prerendered) {
+    if (migratedFromTo[peerID]) {
+      peerID = migratedFromTo[peerID];
+    }
+    var historyStorage = historiesStorage[peerID],
         offset = 0,
         offsetNotFound = false,
         unreadOffset = false,
@@ -543,6 +562,15 @@ angular.module('myApp.services')
       historyStorage = historiesStorage[peerID] = {count: null, history: [], pending: []};
     }
 
+    var isMigrated = false;
+    var reqPeerID = peerID;
+    if (migratedToFrom[peerID]) {
+      isMigrated = true;
+      if (maxID && maxID < fullMsgIDModulus) {
+        reqPeerID = migratedToFrom[peerID];
+      }
+    }
+
     if (!limit && !maxID) {
       var foundDialog = getDialogByPeerID(peerID)[0];
       if (foundDialog && foundDialog.unread_count > 1) {
@@ -611,8 +639,11 @@ angular.module('myApp.services')
         offset = -backLimit;
         limit += backLimit;
       }
-      return requestHistory(inputPeer, maxID, limit, offset).then(function (historyResult) {
+      return requestHistory(reqPeerID, maxID, limit, offset).then(function (historyResult) {
         historyStorage.count = historyResult.count || historyResult.messages.length;
+        if (isMigrated) {
+          historyStorage.count++;
+        }
 
         var history = [];
         angular.forEach(historyResult.messages, function (message) {
@@ -631,7 +662,7 @@ angular.module('myApp.services')
       })
     }
 
-    return fillHistoryStorage(inputPeer, maxID, limit, historyStorage).then(function () {
+    return fillHistoryStorage(peerID, maxID, limit, historyStorage).then(function () {
       offset = 0;
       if (maxID > 0) {
         for (offset = 0; offset < historyStorage.history.length; offset++) {
@@ -728,10 +759,9 @@ angular.module('myApp.services')
     return false;
   }
 
-  function getSearch (inputPeer, query, inputFilter, maxID, limit) {
+  function getSearch (peerID, query, inputFilter, maxID, limit) {
     var foundMsgs = [],
         useSearchCache = !query,
-        peerID = AppPeersManager.getPeerID(inputPeer),
         newSearchFilter = {peer: peerID, filter: inputFilter},
         sameSearchCache = useSearchCache && angular.equals(lastSearchFilter, newSearchFilter);
 
@@ -817,7 +847,7 @@ angular.module('myApp.services')
       }
       apiPromise = MtpApiManager.invokeApi('messages.search', {
         flags: flags,
-        peer: inputPeer,
+        peer: AppPeersManager.getInputPeerByID(peerID),
         q: query || '',
         filter: inputFilter || {_: 'inputMessagesFilterEmpty'},
         min_date: 0,
@@ -884,6 +914,7 @@ angular.module('myApp.services')
 
   function deleteMessages (messageIDs) {
     var splitted = splitMessageIDsByChannels(messageIDs);
+    debugger;
     var promises = [];
     angular.forEach(splitted.msgIDs, function (msgIDs, channelID) {
       var promise;
@@ -940,10 +971,9 @@ angular.module('myApp.services')
     return $q.all(promises);
   }
 
-  function readHistory (inputPeer) {
+  function readHistory (peerID) {
     // console.trace('start read');
-    var peerID = AppPeersManager.getPeerID(inputPeer),
-        isChannel = AppPeersManager.isChannel(peerID),
+    var isChannel = AppPeersManager.isChannel(peerID),
         historyStorage = historiesStorage[peerID],
         foundDialog = getDialogByPeerID(peerID)[0];
 
@@ -981,7 +1011,7 @@ angular.module('myApp.services')
       });
     } else {
       apiPromise = MtpApiManager.invokeApi('messages.readHistory', {
-        peer: inputPeer,
+        peer: AppPeersManager.getInputPeerByID(peerID),
         max_id: 0
       });
     }
@@ -1059,9 +1089,8 @@ angular.module('myApp.services')
     });
   }
 
-  function flushHistory (inputPeer) {
-    var peerID = AppPeersManager.getPeerID(inputPeer);
-    return doFlushHistory(inputPeer).then(function () {
+  function flushHistory (peerID) {
+    return doFlushHistory(AppPeersManager.getInputPeerByID(peerID)).then(function () {
       var foundDialog = getDialogByPeerID(peerID);
       if (foundDialog[0]) {
         dialogsStorage.dialogs.splice(foundDialog[1], 1);
@@ -1201,7 +1230,6 @@ angular.module('myApp.services')
         randomID = [nextRandomInt(0xFFFFFFFF), nextRandomInt(0xFFFFFFFF)],
         randomIDS = bigint(randomID[0]).shiftLeft(32).add(bigint(randomID[1])).toString(),
         historyStorage = historiesStorage[peerID],
-        inputPeer = AppPeersManager.getInputPeerByID(peerID),
         flags = 0,
         pFlags = {},
         replyToMsgID = options.replyToMsgID,
@@ -1285,7 +1313,7 @@ angular.module('myApp.services')
       // console.log(flags, entities);
       MtpApiManager.invokeApi('messages.sendMessage', {
         flags: flags,
-        peer: inputPeer,
+        peer: AppPeersManager.getInputPeerByID(peerID),
         message: text,
         random_id: randomID,
         reply_to_msg_id: getMessageLocalID(replyToMsgID),
@@ -1343,7 +1371,6 @@ angular.module('myApp.services')
         randomID = [nextRandomInt(0xFFFFFFFF), nextRandomInt(0xFFFFFFFF)],
         randomIDS = bigint(randomID[0]).shiftLeft(32).add(bigint(randomID[1])).toString(),
         historyStorage = historiesStorage[peerID],
-        inputPeer = AppPeersManager.getInputPeerByID(peerID),
         flags = 0,
         pFlags = {},
         replyToMsgID = options.replyToMsgID,
@@ -1474,7 +1501,7 @@ angular.module('myApp.services')
           }
           MtpApiManager.invokeApi('messages.sendMedia', {
             flags: flags,
-            peer: inputPeer,
+            peer: AppPeersManager.getInputPeerByID(peerID),
             media: inputMedia,
             random_id: randomID,
             reply_to_msg_id: getMessageLocalID(replyToMsgID)
@@ -1532,7 +1559,6 @@ angular.module('myApp.services')
         randomID = [nextRandomInt(0xFFFFFFFF), nextRandomInt(0xFFFFFFFF)],
         randomIDS = bigint(randomID[0]).shiftLeft(32).add(bigint(randomID[1])).toString(),
         historyStorage = historiesStorage[peerID],
-        inputPeer = AppPeersManager.getInputPeerByID(peerID),
         replyToMsgID = options.replyToMsgID,
         isChannel = AppPeersManager.isChannel(peerID),
         isMegagroup = isChannel && AppPeersManager.isMegagroup(peerID),
@@ -1635,7 +1661,7 @@ angular.module('myApp.services')
 
       MtpApiManager.invokeApi('messages.sendMedia', {
         flags: flags,
-        peer: inputPeer,
+        peer: AppPeersManager.getInputPeerByID(peerID),
         media: inputMedia,
         random_id: randomID,
         reply_to_msg_id: getMessageLocalID(replyToMsgID)
@@ -2827,10 +2853,9 @@ angular.module('myApp.services')
 
   function reloadChannelDialog (channelID) {
     var peerID = -channelID;
-    var inputPeer = AppPeersManager.getInputPeerByID(peerID);
     return $q.all([
       AppProfileManager.getChannelFull(channelID, true),
-      getHistory(inputPeer, 0)
+      getHistory(peerID, 0)
     ]).then(function (results) {
       var channelResult = results[0];
       var historyResult = results[1];
diff --git a/app/js/services.js b/app/js/services.js
index 1a367287..4bbae001 100755
--- a/app/js/services.js
+++ b/app/js/services.js
@@ -599,7 +599,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
   };
 
   function getChat (id) {
-    return chats[id] || {id: id, deleted: true};
+    return chats[id] || {id: id, deleted: true, access_hash: channelAccess[id]};
   }
 
   function hasRights (id, action) {