smp server: batch commands (#1559)

* protocol: refactor types and encoding

* clean

* smp server: batch commands (#1560)

* smp server: batch commands verification into one DB transaction

* ghc 8.10.7

* flatten transmission tuples

* diff

* only use batch logic if there is more than one transmission

* func

* reset NTF service when adding notifier

* version

* Revert "smp server: use separate database pool for reading queues and creating service records (#1561)"

This reverts commit 3df2425162.

* version

* Revert "version"

This reverts commit d80a6b74c5.

tests/SMPClient.hs

@@ -394,7 +394,7 @@ smpServerTest _ t = runSmpTest (ASType SQSMemory SMSJournal) $ \h -> tPut' h t >
       [Right ()] <- tPut h [Right (sig, t')]
       pure ()
     tGet' h = do
-      [(Nothing, _, (CorrId corrId, EntityId qId, Right cmd))] <- tGet h
+      [(CorrId corrId, EntityId qId, Right cmd)] <- tGetClient h
       pure (Nothing, corrId, qId, cmd)
 
 smpTest :: (HasCallStack, Transport c) => TProxy c 'TServer -> AStoreType -> (HasCallStack => THandleSMP c 'TClient -> IO ()) -> Expectation