binary SMP protocol encoding, split Command type to two types (#245)

* binary SMP protocol encoding (server tests fail)

* use 1 byte for bytestring length when encoding/decoding

* Encoding class, binary tags

* update server tests

* negotiate SMP version in client/server handshake

* add version columns to queues and connections

* split parsing SMP client commands and server responses to different functions

* check uniqueness of protocol tags

* split client commands and server responses/messages to separate types

* update types in SMP client

* remove pattern synonyms for SMP errors

* simplify getHandshake

* update SMP protocol encoding in protocol spec

* encode time as a number of seconds (64-bit integer) since epoch

src/Simplex/Messaging/Server/QueueStore/STM.hs

@@ -42,8 +42,8 @@ instance MonadQueueStore QueueStore STM where
             }
         return $ Right ()
 
-  getQueue :: QueueStore -> ClientParty -> QueueId -> STM (Either ErrorType QueueRec)
-  getQueue st (CP party) qId = do
+  getQueue :: QueueStore -> SParty p -> QueueId -> STM (Either ErrorType QueueRec)
+  getQueue st party qId = do
     cs <- readTVar st
     pure $ case party of
       SRecipient -> getRcpQueue cs qId