smp protocol: short links and other changes from RFC (#1489)

* smp protocol: short links types and other changes from RFC

* add fields for queue link ID and data

* create queue and ntf credentials with NEW command

* all tests

* simplfiy types, update rfc

* update rfc

* include SenderId in NEW request in case queue data is sent

* store queue data and generate link ID if needed

* update rfc

* agent API and types

* SMP commands and persistence for short links

* SMP client functions for short links

* agent client functions for short links

* create rcv queue with short link (TODO secret_box)

* encryption and encoding for link data, postgres client migration

* test creating short link

* get link and data, tests

* comments

* type signature

src/Simplex/Messaging/Server/QueueStore.hs

@@ -25,14 +25,15 @@ import Simplex.Messaging.Util (eitherToMaybe)
 #endif
 
 data QueueRec = QueueRec
-  { recipientKey :: !RcvPublicAuthKey,
-    rcvDhSecret :: !RcvDhSecret,
-    senderId :: !SenderId,
-    senderKey :: !(Maybe SndPublicAuthKey),
-    sndSecure :: !SenderCanSecure,
-    notifier :: !(Maybe NtfCreds),
-    status :: !ServerEntityStatus,
-    updatedAt :: !(Maybe RoundedSystemTime)
+  { recipientKey :: RcvPublicAuthKey,
+    rcvDhSecret :: RcvDhSecret,
+    senderId :: SenderId,
+    senderKey :: Maybe SndPublicAuthKey,
+    queueMode :: Maybe QueueMode,
+    queueData :: Maybe (LinkId, QueueLinkData),
+    notifier :: Maybe NtfCreds,
+    status :: ServerEntityStatus,
+    updatedAt :: Maybe RoundedSystemTime
   }
   deriving (Show)