diff --git a/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs b/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
index c2f0b19e..783d2695 100644
--- a/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
+++ b/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
@@ -105,7 +105,8 @@ instance ForRefChans e => Serialise (RefChanHead e)
 
 data RefChanHeadAdapter e m =
   RefChanHeadAdapter
-  { refChanHeadOnHead   :: RefChanHeadBlockTran e -> m ()
+  { refChanHeadOnHead     :: RefChanId e -> RefChanHeadBlockTran e -> m ()
+  , refChanHeadSubscribed :: RefChanId e -> m Bool
   }
 
 refChanHeadProto :: forall e s m . ( MonadIO m
@@ -135,9 +136,10 @@ refChanHeadProto self adapter msg = do
 
     case msg of
       RefChanHead chan pkt -> do
+        guard =<< lift (refChanHeadSubscribed adapter chan)
         trace $ "RefChanHead" <+> pretty self <+> pretty (AsBase58 chan)
         -- FIXME: check-chan-is-listened
-        lift $ refChanHeadOnHead adapter pkt
+        lift $ refChanHeadOnHead adapter chan pkt
 
       RefChanGetHead _ -> do
         -- прочитать ссылку
diff --git a/hbs2-peer/app/Brains.hs b/hbs2-peer/app/Brains.hs
index 9f880c28..d28dbb65 100644
--- a/hbs2-peer/app/Brains.hs
+++ b/hbs2-peer/app/Brains.hs
@@ -5,33 +5,37 @@ module Brains where
 
 import HBS2.Prelude.Plated
 import HBS2.Clock
+import HBS2.Data.Types.Refs
 import HBS2.Net.Proto
 import HBS2.Hash
+import HBS2.Base58
 import HBS2.Net.IP.Addr
+import HBS2.Net.Auth.Credentials
 
 import HBS2.System.Logger.Simple
 
 import PeerConfig
 
-import Data.Maybe
-import Control.Monad
-import Control.Exception
 import Control.Concurrent.STM
-import Control.Concurrent.Async
-import Lens.Micro.Platform
-import Data.HashMap.Strict qualified as HashMap
-import Data.HashMap.Strict (HashMap)
-import Data.List qualified as List
-import Data.Cache (Cache)
-import Data.Cache qualified as Cache
-import Text.InterpolatedString.Perl6 (qc)
+import Control.Exception
+import Control.Monad
 import Database.SQLite.Simple
 import Database.SQLite.Simple.FromField
-import System.Random (randomRIO)
-import Data.Word
+import Data.Cache (Cache)
+import Data.Cache qualified as Cache
 import Data.Either
+import Data.HashMap.Strict (HashMap)
+import Data.HashMap.Strict qualified as HashMap
+import Data.List qualified as List
+import Data.Maybe
+import Data.Text qualified as Text
+import Data.Word
+import Lens.Micro.Platform
 import System.Directory
 import System.FilePath
+import System.Random (randomRIO)
+import Text.InterpolatedString.Perl6 (qc)
+import UnliftIO (MonadUnliftIO(..),async,race)
 
 data PeerBrainsDb
 
@@ -40,6 +44,12 @@ instance HasCfgKey PeerBrainsDb (Maybe String) where
 
 class HasBrains e a where
 
+  listPolledRefs :: MonadIO m => a -> String -> m [(PubKey 'Sign (Encryption e), Int)]
+  listPolledRefs _ _  = pure mempty
+
+  isPolledRef :: MonadIO m => a -> PubKey 'Sign (Encryption e) -> m Bool
+  isPolledRef _ _ = pure False
+
   onClientTCPConnected :: MonadIO m => a -> PeerAddr e -> Word64 -> m ()
   onClientTCPConnected _ _ = const none
 
@@ -148,6 +158,8 @@ instance Pretty (Peer e) => HasBrains e NoBrains  where
 data SomeBrains e = forall a . HasBrains e a => SomeBrains a
 
 instance HasBrains e (SomeBrains e) where
+  listPolledRefs (SomeBrains a) = listPolledRefs @e a
+  isPolledRef (SomeBrains a) = isPolledRef @e a
   onClientTCPConnected (SomeBrains a) = onClientTCPConnected @e a
   getClientTCP (SomeBrains a) = getClientTCP @e a
   setActiveTCPSessions (SomeBrains a) = setActiveTCPSessions @e a
@@ -279,6 +291,23 @@ instance ( Hashable (Peer e)
   setReflogProcessed b h = do
     updateOP b $ insertReflogProcessed b h
 
+  listPolledRefs brains tp = do
+    liftIO $ do
+      let conn = view brainsDb brains
+      query conn [qc|select ref, interval from poll where type = ?|] (Only tp)
+              <&> fmap (\(r,i) -> (,i) <$> fromStringMay r )
+              <&> catMaybes
+
+  isPolledRef brains ref = do
+    liftIO do
+      let conn = view brainsDb brains
+      query @_ @(Only Int) conn [qc|
+        select 1 from poll
+        where ref = ?
+        limit 1
+      |] ( Only ( show $ pretty (AsBase58 ref) ) )
+        <&> isJust . listToMaybe
+
 commitNow :: forall e m . MonadIO m
           => BasicBrains e
           -> Bool
@@ -690,6 +719,16 @@ newBasicBrains cfg = liftIO do
     )
   |]
 
+  execute_ conn [qc|
+    create table if not exists poll
+    ( ref      text not null
+    , type     text not null
+    , interval int not null
+    , primary key (ref,type)
+    )
+  |]
+
+
   BasicBrains <$> newTVarIO mempty
               <*> newTVarIO mempty
               <*> Cache.newCache (Just (toTimeSpec (30 :: Timeout 'Seconds)))
@@ -697,8 +736,12 @@ newBasicBrains cfg = liftIO do
               <*> newTQueueIO
               <*> newTQueueIO
 
-runBasicBrains :: MonadIO m => BasicBrains e -> m ()
-runBasicBrains brains = do
+runBasicBrains :: forall e m . ( e ~ L4Proto, MonadUnliftIO m )
+               =>  PeerConfig
+               -> BasicBrains e
+               -> m ()
+
+runBasicBrains cfg brains = do
 
   let pip = view brainsPipeline brains
   let expire = view brainsExpire brains
@@ -725,6 +768,27 @@ runBasicBrains brains = do
     pause @'Seconds 60
     updateOP brains (cleanupHashes brains)
 
+  trace "runBasicBrains init"
+
+  let (PeerConfig syn) = cfg
+  let polls = catMaybes (
+       [ (tp,n,) <$> fromStringMay @(PubKey 'Sign (Encryption e)) (Text.unpack ref)
+       | ListVal @C (Key "poll" [SymbolVal tp, LitIntVal n, LitStrVal ref]) <- syn
+       ] )
+
+  void $ async $ do
+    pause @'Seconds 5
+    forM_ polls $ \(t,mi,x) -> do
+      trace $ "BRAINS: poll" <+> pretty t <+> pretty (AsBase58 x) <+> pretty mi
+      updateOP brains $ do
+        let conn = view brainsDb brains
+        liftIO $ execute conn [qc|
+          insert into poll (ref,type,interval)
+          values (?,?,?)
+          on conflict do update set interval = excluded.interval
+          |] (show $ pretty (AsBase58 x), show $ pretty t, mi)
+      commitNow brains True
+
   void $ forever do
     pause @'Seconds 15
     ee <- liftIO $ Cache.toList expire
diff --git a/hbs2-peer/app/PeerMain.hs b/hbs2-peer/app/PeerMain.hs
index 538a01ba..e1f1fd35 100644
--- a/hbs2-peer/app/PeerMain.hs
+++ b/hbs2-peer/app/PeerMain.hs
@@ -533,7 +533,7 @@ runPeer opts = U.handle (\e -> myException e
 
   brains <- newBasicBrains @e conf
 
-  brainsThread <- async $ runBasicBrains brains
+  brainsThread <- async $ runBasicBrains conf brains
 
   denv <- newDownloadEnv brains
 
@@ -564,6 +564,7 @@ runPeer opts = U.handle (\e -> myException e
 
   let refChanHeadAdapter = RefChanHeadAdapter
                            { refChanHeadOnHead = refChanOnHead rce
+                           , refChanHeadSubscribed = isPolledRef @e brains
                            }
 
   let pexFilt pips = do
diff --git a/hbs2-peer/app/RefChan.hs b/hbs2-peer/app/RefChan.hs
index a8c72470..10049415 100644
--- a/hbs2-peer/app/RefChan.hs
+++ b/hbs2-peer/app/RefChan.hs
@@ -52,8 +52,8 @@ instance Exception DataNotReady
 data RefChanWorkerEnv e =
   RefChanWorkerEnv
   { _refChanWorkerEnvDownload :: DownloadEnv e
-  , _refChanWorkerEnvHeadQ    :: TQueue (RefChanHeadBlockTran e)
-  , _refChaWorkerEnvDownload  :: TVar (HashMap HashRef TimeSpec) -- таймстемп можно
+  , _refChanWorkerEnvHeadQ    :: TQueue (RefChanId e, RefChanHeadBlockTran e)
+  , _refChaWorkerEnvDownload  :: TVar (HashMap HashRef (RefChanId e, TimeSpec))
   }
 
 makeLenses 'RefChanWorkerEnv
@@ -67,22 +67,22 @@ refChanWorkerEnv _ de = liftIO $ RefChanWorkerEnv @e de <$> newTQueueIO
                                                         <*> newTVarIO mempty
 
 
-refChanOnHead :: MonadIO m => RefChanWorkerEnv e -> RefChanHeadBlockTran e -> m ()
-refChanOnHead env tran = do
-  atomically $ writeTQueue (view refChanWorkerEnvHeadQ env) tran
+refChanOnHead :: MonadIO m => RefChanWorkerEnv e -> RefChanId e -> RefChanHeadBlockTran e -> m ()
+refChanOnHead env chan tran = do
+  atomically $ writeTQueue (view refChanWorkerEnvHeadQ env) (chan, tran)
 
 refChanAddDownload :: forall e m . ( m ~ PeerM e IO
                                    , MyPeer e
                                    , Block ByteString ~ ByteString
                                    )
-                   => RefChanWorkerEnv e -> HashRef -> m ()
-refChanAddDownload env r = do
+                   => RefChanWorkerEnv e -> RefChanId e -> HashRef -> m ()
+refChanAddDownload env chan r = do
   penv <- ask
   t <- getTimeCoarse
   withPeerM penv $ withDownload (_refChanWorkerEnvDownload env)
                  $ processBlock @e (fromHashRef r)
 
-  atomically $ modifyTVar (view refChaWorkerEnvDownload env) (HashMap.insert r t)
+  atomically $ modifyTVar (view refChaWorkerEnvDownload env) (HashMap.insert r (chan,t))
 
 checkDownloaded :: forall m . (MonadIO m, HasStorage m, Block ByteString ~ ByteString) => HashRef -> m Bool
 checkDownloaded hr = do
@@ -146,28 +146,27 @@ refChanWorker env = do
       now <- getTimeCoarse
 
       -- FIXME: consider-timeouts-or-leak-is-possible
-      rest <- forM all $ \(r,t) -> do
+      rest <- forM all $ \(r,item@(chan,t)) -> do
                 here <- checkDownloaded r
                 if here then do
-                  refChanOnHead env (RefChanHeadBlockTran r)
+                  refChanOnHead env chan (RefChanHeadBlockTran r)
                   pure mempty
                 else do
                   -- FIXME: fix-timeout-hardcode
                   let expired = realToFrac (toNanoSecs $ now - t) / 1e9 > 600
-                  if expired then pure mempty else pure [(r,t)]
+                  if expired then pure mempty else pure [(r,item)]
 
       atomically $ writeTVar (view refChaWorkerEnvDownload env) (HashMap.fromList (mconcat rest))
 
     -- FIXME: in-parallel?
     refChanHeadMon = do
       forever do
-        RefChanHeadBlockTran hr <- atomically $ readTQueue (view refChanWorkerEnvHeadQ env)
-        -- debug $ "DROP HEAD UPDATE" <+> pretty (fromRefChanHeadBlockTran tran)
+        (chan, RefChanHeadBlockTran hr) <- atomically $ readTQueue (view refChanWorkerEnvHeadQ env)
 
         here <- checkDownloaded hr
 
         if not here then do
-          refChanAddDownload env hr
+          refChanAddDownload env chan hr
           trace $ "BLOCK IS NOT HERE" <+> pretty hr
         else do
           trace $ "BLOCK IS HERE" <+> pretty hr
@@ -178,7 +177,7 @@ refChanWorker env = do
           case what of
             Nothing  -> err $ "malformed head block" <+> pretty hr
 
-            Just (pk,blk) ->  do
+            Just (pk,blk) | pk == chan ->  do
               let rkey = RefChanHeadKey @s pk
 
               sto <- getStorage
@@ -205,6 +204,8 @@ refChanWorker env = do
               else do
                 debug $ "LEAVING HEAD BLOCK" <+> pretty (v1, v0)
 
+            _ -> debug "not subscribed to this refchan"
+
           pure ()
           -- распаковываем блок
           -- вытаскиваем ключ из блока?