diff --git a/hbs2-core/lib/HBS2/Actors/ChunkWriter.hs b/hbs2-core/lib/HBS2/Actors/ChunkWriter.hs
index 8dead0ed..24c40a88 100644
--- a/hbs2-core/lib/HBS2/Actors/ChunkWriter.hs
+++ b/hbs2-core/lib/HBS2/Actors/ChunkWriter.hs
@@ -6,6 +6,7 @@ module HBS2.Actors.ChunkWriter
   , stopChunkWriter
   , newBlock
   , delBlock
+  , commitBlock
   , writeChunk
   , getHash
   ) where
@@ -39,9 +40,9 @@ newtype ChunkId = ChunkId FilePath
                   deriving newtype (IsString)
                   deriving stock (Eq,Ord,Show)
 
-data ChunkWriter h m = forall a . (Storage a h ByteString m) =>
+data ChunkWriter h m = forall a . (MonadIO m, Storage a h ByteString m, Block ByteString ~ ByteString) =>
   ChunkWriter
-  { pipeline :: Pipeline IO ()
+  { pipeline :: Pipeline m ()
   , dir      :: FilePath
   , storage  :: a
   }
@@ -51,30 +52,31 @@ data ChunkWriter h m = forall a . (Storage a h ByteString m) =>
 runChunkWriter :: MonadIO m => ChunkWriter h m -> m ()
 runChunkWriter w = do
   liftIO $ createDirectoryIfMissing True ( dir w )
-  liftIO $ runPipeline (pipeline w)
+  runPipeline (pipeline w)
 
 stopChunkWriter :: MonadIO m => ChunkWriter h m -> m ()
-stopChunkWriter w = liftIO $ stopPipeline ( pipeline w )
+stopChunkWriter w = stopPipeline ( pipeline w )
 
 newChunkWriterIO :: forall h a m . ( Key h ~ Hash h
                                    , Storage a h ByteString m
-                                   , Monad m
+                                   , Block ByteString ~ ByteString
+                                   , MonadIO m
                                    )
                  => a
                  -> Maybe FilePath
-                 -> IO (ChunkWriter h m)
+                 -> m (ChunkWriter h m)
 
 newChunkWriterIO s tmp = do
   pip <- newPipeline defChunkWriterQ
 
-  def  <- getXdgDirectory XdgData (defStorePath  </> "temp-chunks")
+  def  <- liftIO $ getXdgDirectory XdgData (defStorePath  </> "temp-chunks")
   let d  = fromMaybe def tmp
 
   pure $
     ChunkWriter
     { pipeline = pip
     , dir = d
-    ,  storage  = s
+    , storage  = s
     }
 
 makeFileName :: (Hashable salt, Pretty (Hash h)) => ChunkWriter h m -> salt -> Hash h -> FilePath
@@ -140,7 +142,7 @@ getHash w salt h = liftIO do
 
   q <- Q.newTBQueueIO 1
 
-  addJob (pipeline w) do
+  addJob (pipeline w) $ liftIO do
     h1 <- hashObject @h <$> B.readFile fn
     atomically $ Q.writeTBQueue q h1
 
@@ -149,3 +151,30 @@ getHash w salt h = liftIO do
   where
     fn = makeFileName w salt h
 
+
+commitBlock :: forall salt h m .
+               ( Hashable salt
+               , Hashed h ByteString
+               , MonadIO m
+               , Pretty (Hash h)
+               )
+            => ChunkWriter h m
+            -> salt
+            -> Hash h
+            -> m ()
+
+commitBlock w@(ChunkWriter {storage = stor}) salt h = do
+  q <- liftIO $ Q.newTBQueueIO 1
+
+  addJob (pipeline w)  (liftIO $ B.readFile fn >>= atomically . Q.writeTBQueue q)
+
+  s <- liftIO $ atomically $ Q.readTBQueue q
+
+  void $ putBlock stor s
+
+  delBlock w salt h
+
+  where
+    fn = makeFileName w salt h
+
+
diff --git a/hbs2-tests/test/Main.hs b/hbs2-tests/test/Main.hs
index ce512aa7..2edc8ada 100644
--- a/hbs2-tests/test/Main.hs
+++ b/hbs2-tests/test/Main.hs
@@ -292,7 +292,7 @@ runFakePeer se env = do
 
                 when ( h1 == h ) $ do
                   debug $ "THIS BLOCK IS DEFINITLY DONE" <+> pretty h1
-                  commitChunk cw chuKey h
+                  liftIO $ commitBlock cww chuKey h
 
               -- ПОСЧИТАТЬ ХЭШ
               -- ЕСЛИ СОШЁЛСЯ - ФИНАЛИЗИРОВАТЬ БЛОК