diff --git a/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs b/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
index a03d27ab..ca019bf5 100644
--- a/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
+++ b/hbs2-core/lib/HBS2/Net/Proto/RefChan.hs
@@ -6,36 +6,130 @@ module HBS2.Net.Proto.RefChan where
 import HBS2.Prelude.Plated
 -- import HBS2.Hash
 -- import HBS2.Clock
--- import HBS2.Net.Proto
--- import HBS2.Net.Auth.Credentials
--- import HBS2.Base58
+import HBS2.Net.Proto
+import HBS2.Net.Auth.Credentials
+import HBS2.Base58
 -- import HBS2.Events
--- import HBS2.Net.Proto.Peer
--- import HBS2.Net.Proto.Sessions
+import HBS2.Net.Proto.Peer
+import HBS2.Net.Proto.Sessions
 import HBS2.Data.Types.Refs
 
 -- import HBS2.System.Logger.Simple
 
 -- import Data.Maybe
 -- import Data.Hashable
--- import Data.ByteString (ByteString)
+import Data.ByteString (ByteString)
 -- import Type.Reflection (someTypeRep)
 import Lens.Micro.Platform
+-- import Codec.Serialise
 
+{- HLINT ignore "Use newtype instead of data" -}
 
-data RefChanACL e =
-  RefChanACLImmediate
+data SignedBox p e =
+  SignedBox (PubKey 'Sign e) ByteString (Signature (Encryption e))
   deriving stock (Generic)
 
-data RefChanHead e =
-  RefChanHead
-  { _refChanHeadPrev    :: Maybe HashRef
-  , _refChanHeadVersion :: Integer
-  , _refChanHeadHistory :: Maybe HashRef
-  , _refChanHeadACL     :: RefChanACL e
+data RefChanHeadBlock e =
+  RefChanHeadBlock
+  { _refChanHeadVersion     :: Integer
+  , _refChanHeadQuorum      :: Integer
+  , _refChanHeadWaitAccept  :: Integer
+  , _refChanHeadPeers       :: [PubKey 'Sign e]
+  , _refChanHeadAuthors     :: [PubKey 'Sign e]
   }
   deriving stock (Generic)
 
+makeLenses 'RefChanHeadBlock
+
+newtype RefChanHeadBlockTran e =
+  RefChanHeadBlockTran HashRef
+  deriving stock (Generic)
+
+type RefChanId e = PubKey 'Sign e
+
+data RefChanHead e =
+    RefChanHead (RefChanId e) (RefChanHeadBlockTran e)
+  | RefChanGetHead (RefChanId e)
+  deriving stock (Generic)
+
+
+
+refChanHeadProto :: forall e s m . ( MonadIO m
+                                    , Request e (RefChanHead e) m
+                                    , Response e (RefChanHead e) m
+                                    , IsPeerAddr e m
+                                    , Pretty (Peer e)
+                                    , Sessions e (KnownPeer e) m
+                                    , Signatures s
+                                    , Pretty (AsBase58 (PubKey 'Sign s))
+                                    , s ~ Encryption e
+                                    )
+                  => RefChanHead e -> m ()
+
+refChanHeadProto _ = pure ()
+
+
+-- type RefChanAuthor e = PubKey 'Sign (Encryption e)
+-- type RefChan e = PubKey 'Sign (Encryption e)
+
+-- type ForRefChan e = ( Serialise (RefChan e)
+--                     , Serialise (Signature (Encryption e))
+--                     )
+
+-- data RefChanACL e =
+--   RefChanACLImmediate [RefChanAuthor e] -- ^ authorized authors
+--   deriving stock (Generic)
+
+-- instance ForRefChan e => Serialise (RefChanACL e)
+
+-- data RefChanHeadBlock e =
+--   RefChanHeadBlock
+--   { _refChanHeadPrev    :: Maybe HashRef
+--   , _refChanHeadVersion :: Integer
+--   , _refChanHeadHistory :: Maybe HashRef
+--   , _refChanHeadACL     :: RefChanACL e
+--   }
+--   deriving stock (Generic)
+
+-- makeLenses ''RefChanHeadBlock
+
+-- instance ForRefChan e => Serialise (RefChanHeadBlock e)
+
+-- data RefChanMsgEnvelope e =
+--   RefChanMessage
+--   { _refChanMsgChan    :: RefChan e
+--   , _refChanMsgAuthor  :: RefChanAuthor e
+--   , _refChanMsgData    :: ByteString
+--   , _refChanMsgSign    :: Signature (Encryption e)
+--   }
+--   deriving stock (Generic)
+
+-- makeLenses ''RefChanMsgEnvelope
+
+-- instance ForRefChan e => Serialise (RefChanMsgEnvelope e)
+
+-- newtype RefChanHeadMsg e =
+--   RefChanHeadMsg HashRef
+--   deriving stock Generic
+
+-- instance Serialise (RefChanHeadMsg e)
+
+-- data RefChanHead e =
+--     RefChanGetHead (RefChanMsgEnvelope e)
+--   | RefChanHead    (RefChanMsgEnvelope e)
+--   deriving stock (Generic)
+
+-- instance ForRefChan e => Serialise (RefChanHead e)
+
+
+
+
+
+
+
+
+
+
+
 
-makeLenses ''RefChanHead