feat: add basic contact logic for setting local contact state. Need to implement handling properly

libsession/src/main/java/org/session/libsession/database/StorageProtocol.kt

@@ -204,7 +204,7 @@ interface StorageProtocol {
     fun removeReaction(emoji: String, messageTimestamp: Long, author: String, notifyUnread: Boolean)
     fun updateReactionIfNeeded(message: Message, sender: String, openGroupSentTimestamp: Long)
     fun deleteReactions(messageId: Long, mms: Boolean)
-    fun unblock(toUnblock: List<Recipient>)
+    fun setBlocked(recipients: List<Recipient>, isBlocked: Boolean)
     fun blockedContacts(): List<Recipient>
 
     // Shared configs

libsession/src/main/java/org/session/libsession/messaging/jobs/ConfigurationSyncJob.kt

@@ -150,7 +150,9 @@ data class ConfigurationSyncJob(val destination: Destination): Job {
                 // store the new hash in list of hashes to track against
                 configFactory.appendHash(config, insertHash)
                 // dump and write config after successful
-                configFactory.persist(config)
+                if (config.needsDump()) { // usually this will be true?
+                    configFactory.persist(config)
+                }
             }
         } catch (e: Exception) {
             Log.e(TAG, "Error performing batch request", e)

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/pollers/Poller.kt

@@ -163,7 +163,9 @@ class Poller(private val configFactory: ConfigFactoryProtocol, debounceTimer: Ti
             }
         }
         // process new results
-        configFactory.persist(forConfigObject)
+        if (forConfigObject.needsDump()) {
+            configFactory.persist(forConfigObject)
+        }
     }
 
     private fun poll(snode: Snode, deferred: Deferred<Unit, Exception>): Promise<Unit, Exception> {