diff --git a/hbs2-core/hbs2-core.cabal b/hbs2-core/hbs2-core.cabal
index 44d557fd..9e6594ae 100644
--- a/hbs2-core/hbs2-core.cabal
+++ b/hbs2-core/hbs2-core.cabal
@@ -147,6 +147,7 @@ test-suite test
         , safe
         , serialise
         , stm
+        , streaming
         , tasty
         , tasty-hunit
         , transformers
diff --git a/hbs2-core/test/Main.hs b/hbs2-core/test/Main.hs
index 626f601f..5186bac5 100644
--- a/hbs2-core/test/Main.hs
+++ b/hbs2-core/test/Main.hs
@@ -3,6 +3,7 @@ module Main where
 import TestFakeMessaging
 import TestActors
 import TestBlockInfoActor
+import TestUniqProtoId
 
 import Test.Tasty
 import Test.Tasty.HUnit
@@ -15,6 +16,7 @@ main =
         testCase "testFakeMessaging1" testFakeMessaging1
       , testCase "testActorsBasic" testActorsBasic
       , testCase "testBlockInfoActor" testBlockInfoActor
+      , testCase "testUniqProtoId" testUniqProtoId
       ]
 
 
diff --git a/hbs2-core/test/TestAbstractDispatch.hs b/hbs2-core/test/TestAbstractDispatch.hs
deleted file mode 100644
index 24092965..00000000
--- a/hbs2-core/test/TestAbstractDispatch.hs
+++ /dev/null
@@ -1,223 +0,0 @@
-{-# Language FunctionalDependencies #-}
-module TestAbstractDispatch where
-
-import HBS2.Prelude
-import HBS2.Net.Proto
-import HBS2.Net.Messaging
-import HBS2.Clock
-
-import Control.Monad
-import Control.Concurrent.Async
-import Data.Cache (Cache)
-import Data.Cache qualified as Cache
-import Data.Foldable
-import Data.Function
-import Data.Functor
-import Data.Hashable
-import Data.Kind
-import Data.Proxy
-import Data.Word
-import Data.Dynamic
-import Prettyprinter
-import System.Random qualified as Random
--- import GHC.TypeLits
--- import Data.Maybe
-
-import Debug.Trace
-
-import FakeMessaging
-
--- newtype Cookie = Cookie Word32
---                  deriving stock (Eq,Ord)
---                  deriving newtype Hashable
-
-data family SessionType p :: Type
-
-data family Cookie p :: Type
-
-class Monad m => CookieGenerator p m where
-  genCookie :: Hashable s => s -> m (Cookie p)
-
-class Monad m => HasTimeout msg m where
-  timeoutFor :: Proxy msg -> m (Timeout 'Seconds)
-
-class HasCookie p msg | msg -> p where
-  getCookie :: msg -> Maybe (Cookie p)
-
-data DefAnswer p = forall msg . (IsEncoded p msg) => DefAnswer msg
-
-class HasDefAnswer p a | p -> a where
-  defAnswer :: a -> DefAnswer p
-
-
--- still okay
-
-type family Encoded  p :: Type
-
-class IsEncoded p msg | msg -> p where
-  encode :: msg -> Encoded p
-  decode :: Encoded p -> Maybe msg
-
--- still okay
-data MessageWithCookie p = MessageWithCookie (Cookie p) (Encoded p)
-
--- ЧТО МЫ ХОТИМ:
--- СООБЩЕНИЯ РАЗНЫХ ТИПОВ. ОБРАБАТЫВАТЬ НЕЗАВИСИМО, В РАЗНЫХ ОБРАБОТЧИКАХ
---
--- ПОЧЕМУ МЫ ЭТОГО ХОТИМ:
---
---   ЧТО БЫ НЕ ДЕЛАТЬ ОДИН СЛОЖНЫЙ ОБРАБОТЧИК С БОЛЬШИМ СТЕЙТОМ
---   ТАКОЕ УЖЕ ДЕЛАЛИ, ТАМ ХУЙ НОГУ СЛОМИТ ПОТОМ ОТЛАЖИВАТЬ
---   НАДО СДЕЛАТЬ, ЧТО БЫ МОЖНО БЫЛО ОТЛАДИТЬ ПО КУСКАМ
---   ТЕМ БОЛЕЕ, ЧТО ОНИ ДРУГ ОТ ДРУГА НЕ ЗАВИСЯТ
---
-
-data Handler p m  = forall msg . IsEncoded p msg =>
-  Handler ( (From p, Cookie p) -> msg -> m () )
-
--- for convenience
-handler :: forall msg m p . (IsEncoded p (msg p))
-        => ((From p, Cookie p) -> msg p -> m ())
-        -> Handler p m
-
-handler = Handler
-
-data Fabrique p = forall bus . Messaging bus p (MessageWithCookie p)
-  =>  Fabrique bus
-
-data Dispatcher p m =
-  Dispatcher
-  { self     :: Peer p
-  , handlers :: Cache (Cookie p) (Handler p m) --- FIXME: class + maybe cookie
-  , fabriq   :: Fabrique p
-  }
-
-newDispatcher :: (MonadIO m, (Messaging bus p (MessageWithCookie p)))
-              => Peer p
-              -> bus
-              -> m (Dispatcher p m)
-
-newDispatcher me bus = do
-  let fab = Fabrique bus
-  cache <- liftIO $ Cache.newCache Nothing
-  pure $ Dispatcher me cache fab
-
-sendRequest :: forall p msg m. ( MonadIO m
-                               , IsEncoded p msg
-                               , Messaging (Fabrique p) p (MessageWithCookie p)
-                               , Hashable (Cookie p)
-                               , CookieGenerator p m
-                               , HasTimeout msg m
-                               )
-            => Dispatcher p m
-            -> Peer p
-            -> Maybe (Cookie p)
-            -> msg
-            -> Handler p m
-            -> m ()
-
-sendRequest d p mbCoo msg answ = do
-  -- liftIO $ print "sending request!"
-  cookie  <- maybe (genCookie p) pure mbCoo
-  timeout <- timeoutFor (Proxy @msg) <&> Just . toTimeSpec
-  liftIO $ Cache.insert' (handlers d) Nothing cookie answ
-  sendTo (fabriq d) (To p) (From (self d)) (MessageWithCookie cookie (encode msg))
-
-dispatcher :: forall p m . ( MonadIO m, Hashable (Cookie p), Pretty (Cookie p), Pretty (Peer p)
-                           , Messaging (Fabrique p) p (MessageWithCookie p)
-                           , HasDefAnswer p (Cookie p)
-                           )
-           => Dispatcher p m
-           -> m ()
-
-dispatcher d = fix \next -> do
-
-  -- FIXME: if receive is non-blocking we'll get a busy loop
-  -- FIXME: if receive is blocking - we'll block here forever
-  received <- receive (fabriq d) (To (self d))
-
-  for_ received $ \(who@(From peer), MessageWithCookie coo bs) -> do
-
-    -- поискали в мапе по куке
-    found <- liftIO $ Cache.lookup (handlers d) coo
-
-    case found of
-      Nothing -> do
-        case defAnswer @p coo of
-          DefAnswer msg -> do
-            sendTo (fabriq d) (To peer) (From (self d)) (MessageWithCookie coo (encode msg))
-
-      Just (Handler dispatch) -> maybe (pure ()) (dispatch (who,coo)) (decode bs)
-    --                           ^^^^^^^^^^^^^^ CAN NOT DECODE CASE
-
-  next
-
-
-data PingPong p = Ping
-                | Pong
-                deriving stock (Typeable)
-
-data instance SessionType Fake =
-  PingPongSession
-  deriving stock (Eq,Ord,Enum)
-
-newtype instance Cookie Fake = CookieFake Word32
-                               deriving stock (Eq)
-                               deriving newtype (Hashable,Num,Pretty)
-
-
-instance CookieGenerator Fake IO where
-  genCookie s = do
-    i <- Random.randomIO :: IO Int
-    pure $ fromIntegral $ hash (i + hash s)
-
-type instance Encoded Fake = Dynamic
-
-instance Typeable (PingPong p) =>  IsEncoded Fake (PingPong p) where
-  encode = toDyn
-  decode = fromDynamic
-
-instance Messaging (Fabrique Fake) Fake (MessageWithCookie Fake) where
-  sendTo (Fabrique bus) = sendTo bus
-  receive (Fabrique bus) = receive bus
-
-instance HasTimeout (PingPong Fake) IO where
-  timeoutFor _ = pure 1
-
-instance HasDefAnswer Fake (Cookie Fake) where
-  defAnswer _ = DefAnswer (Pong @Fake)
-
-testAbstractDispatch :: IO ()
-testAbstractDispatch = do
-
-  let peers = [1..2] :: [Peer Fake]
-
-  bus  <- newFakeP2P @Fake @(MessageWithCookie Fake) True
-
-  threads <- forM peers $ \p -> do
-      disp <- newDispatcher p bus
-      dispThread <- async (dispatcher disp)
-
-      for_ [ px | px <- peers, px /= p ] $ \pip -> do
-
-        -- liftIO $ print "sending ping"
-        sendRequest disp pip Nothing (Ping @Fake) $ handler @PingPong $ \(From who, coo) ->
-         \case
-            Ping -> pure () -- we do not expect ping here
-
-            Pong -> do
-
-              liftIO $ print $ "got pong 2" <+> pretty who
-                                            <+> "->"
-                                            <+> pretty (self disp)
-                                            <+> brackets (pretty coo)
-
-      pure dispThread
-
-    -- -- pure dispThread
-  pause ( 1 :: Timeout 'Seconds)
-
-  mapM_ cancel threads
-
-  void $ waitAnyCatchCancel threads
-
diff --git a/hbs2-core/test/TestBlockInfoActor.hs b/hbs2-core/test/TestBlockInfoActor.hs
index 321ef3d6..43246e94 100644
--- a/hbs2-core/test/TestBlockInfoActor.hs
+++ b/hbs2-core/test/TestBlockInfoActor.hs
@@ -8,13 +8,12 @@ import HBS2.Net.PeerLocator
 import HBS2.Net.PeerLocator.Static
 
 import FakeMessaging
+import HasProtocol
 
 import Test.Tasty.HUnit
 
 import Test.QuickCheck
 import Data.Word
-import Data.Hashable (Hashable)
-import Data.ByteString (ByteString)
 import Data.ByteString qualified as B
 import Control.Concurrent.Async
 
diff --git a/hbs2-core/test/TestUniqProtoId.hs b/hbs2-core/test/TestUniqProtoId.hs
index b97e890e..14ec25f7 100644
--- a/hbs2-core/test/TestUniqProtoId.hs
+++ b/hbs2-core/test/TestUniqProtoId.hs
@@ -4,29 +4,40 @@ module TestUniqProtoId where
 
 import HBS2.Prelude
 import HBS2.Prelude.Plated
+import HBS2.Clock
 
 import HasProtocol
 import FakeMessaging
 
+import Test.Tasty.HUnit
+
 import Data.ByteString.Lazy (ByteString)
 import Control.Concurrent.Async
 import Codec.Serialise hiding (encode,decode)
 
 import System.IO
 
+import Control.Concurrent.STM.TQueue qualified as Q
+-- import Control.Concurrent.STM.TQueue ()
+import Control.Concurrent.STM
+
 import Prettyprinter hiding (pipe)
 
 debug :: (MonadIO m) => Doc ann -> m ()
 debug p = liftIO $ hPrint stderr p
 
+
+dump :: MonadIO m => TQueue a -> a -> m ()
+dump q x = liftIO $ atomically $ Q.writeTQueue q x
+
 data PingPong e = Ping Int
                 | Pong Int
-                deriving stock (Generic,Show,Read)
+                deriving stock (Eq,Generic,Show,Read)
 
 data PeekPoke e = Peek Int
                 | Poke Int
                 | Nop
-                deriving stock (Generic,Show,Read)
+                deriving stock (Eq,Generic,Show,Read)
 
 
 instance Serialise (PingPong e)
@@ -49,33 +60,43 @@ pingPongHandler :: forall e m  . ( MonadIO m
                                  , Response e (PingPong e) m
                                  , HasProtocol e (PingPong e)
                                  )
-                => PingPong e
+                => TQueue (PingPong e)
+                -> PingPong e
                 -> m ()
 
-pingPongHandler  =
+pingPongHandler q =
   \case
-    Ping c -> debug ("effect: PING" <+> pretty c) >> response (Pong @e c)
-    Pong c -> debug ( "effect: PONG" <+> pretty c) >> response (Ping @e (succ c))
+
+    Ping c -> dump q (Ping c) >> response (Pong @e c)
+
+    Pong c | c < 100   -> dump q (Pong c) >> response (Ping @e (succ c))
+           | otherwise -> dump q (Pong c)
 
 peekPokeHandler :: forall e m  . ( MonadIO m
                                  , Response e (PeekPoke e) m
                                  , HasProtocol e (PeekPoke e)
                                  )
-                => PeekPoke e
+                => TQueue (PeekPoke e)
+                -> PeekPoke e
                 -> m ()
 
-peekPokeHandler =
+peekPokeHandler q =
   \case
-    Peek c -> debug ("effect: Peek" <+> pretty c) >> response (Poke @e c)
-    Poke c -> debug ("effect: Poke" <+> pretty c) >> response (Nop @e)
-    Nop    -> debug "effect: Nop" >> response (Peek @e 1)
-
+    Peek c -> dump q (Peek c) >> response (Poke @e (succ c))
+    Poke c -> dump q (Poke c) >> response (Nop @e)
+    Nop    -> dump q Nop
 
 testUniqProtoId :: IO ()
 testUniqProtoId = do
 
   hSetBuffering stderr LineBuffering
 
+  qpg0 <- Q.newTQueueIO :: IO (TQueue (PingPong Fake))
+  qpp0 <- Q.newTQueueIO :: IO (TQueue (PeekPoke Fake))
+
+  qpg1 <- Q.newTQueueIO :: IO (TQueue (PingPong Fake))
+  qpp1 <- Q.newTQueueIO :: IO (TQueue (PeekPoke Fake))
+
   fake <- newFakeP2P True
 
   let peer0 = FakePeer 0
@@ -84,26 +105,43 @@ testUniqProtoId = do
   env0 <- newEnv peer0 fake
   env1 <- newEnv peer1 fake
 
-  runEngineM env0 $ do
-    request peer1 (Ping @Fake 0)
+  race (pause (0.25 :: Timeout 'Seconds)) $ do
 
-  runEngineM env1 $ do
-    request peer0 (Peek @Fake 0)
+    runEngineM env0 $ do
+      request peer1 (Ping @Fake 0)
 
-  pip1 <- async $
-    runPeer env0
-      [ makeResponse pingPongHandler
-      , makeResponse peekPokeHandler
-      ]
+    runEngineM env1 $ do
+      request peer0 (Peek @Fake 0)
 
-  pip2 <- async $
-    runPeer env1
-      [ makeResponse pingPongHandler
-      , makeResponse peekPokeHandler
-      ]
+    pip1 <- async $
+      runPeer env0
+        [ makeResponse (pingPongHandler qpg0)
+        , makeResponse (peekPokeHandler qpp0)
+        ]
 
-  (_, e) <- waitAnyCatchCancel [pip1, pip2]
+    pip2 <- async $
+      runPeer env1
+        [ makeResponse (pingPongHandler qpg1)
+        , makeResponse (peekPokeHandler qpp1)
+        ]
 
-  print e
+    pause (0.10 :: Timeout 'Seconds)
 
+    debug "stopping threads"
+
+    mapM_ cancel [pip1, pip2]
+
+    void $ waitAnyCatchCancel [pip1, pip2]
+
+  ping0 <- atomically $ Q.flushTQueue qpg0
+  ping1 <- atomically $ Q.flushTQueue qpg1
+  p0    <- atomically $ Q.flushTQueue qpp0
+  p1    <- atomically $ Q.flushTQueue qpp1
+
+  assertEqual "ping0" ping0 [ Pong i | i <- [0..100] ]
+  assertEqual "ping1" ping1 [ Ping i | i <- [0..100] ]
+  assertEqual "p0"    p0 [ Peek 0, Nop ]
+  assertEqual "p1"    p1 [ Poke 1 ]
+
+  debug "we're done"