diff --git a/src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java b/src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java
index 09b8e9ce3c..5a39d66e3b 100644
--- a/src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java
+++ b/src/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java
@@ -124,6 +124,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
     db.execSQL(LokiAPIDatabase.getCreateSwarmCacheTableCommand());
     db.execSQL(LokiAPIDatabase.getCreateLastMessageHashValueTableCommand());
     db.execSQL(LokiAPIDatabase.getCreateReceivedMessageHashValuesTableCommand());
+    db.execSQL(LokiAPIDatabase.getCreateGroupChatAuthTokenTableCommand());
     db.execSQL(LokiPreKeyBundleDatabase.getCreateTableCommand());
     db.execSQL(LokiPreKeyRecordDatabase.getCreateTableCommand());
     db.execSQL(LokiMessageDatabase.getCreateTableCommand());
diff --git a/src/org/thoughtcrime/securesms/loki/LokiAPIDatabase.kt b/src/org/thoughtcrime/securesms/loki/LokiAPIDatabase.kt
index f58e0d849c..9cf4d66e72 100644
--- a/src/org/thoughtcrime/securesms/loki/LokiAPIDatabase.kt
+++ b/src/org/thoughtcrime/securesms/loki/LokiAPIDatabase.kt
@@ -28,6 +28,11 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         private val userID = "user_id"
         private val receivedMessageHashValues = "received_message_hash_values"
         @JvmStatic val createReceivedMessageHashValuesTableCommand = "CREATE TABLE $receivedMessageHashValuesCache ($userID TEXT PRIMARY KEY, $receivedMessageHashValues TEXT);"
+        // Group chat auth token cache
+        private val groupChatAuthTokenTable = "loki_api_group_chat_auth_token_database"
+        private val serverURL = "server_url"
+        private val token = "token"
+        @JvmStatic val createGroupChatAuthTokenTableCommand = "CREATE TABLE $groupChatAuthTokenTable ($serverURL TEXT PRIMARY KEY, $token TEXT);"
     }
 
     override fun getSwarmCache(hexEncodedPublicKey: String): Set<LokiAPITarget>? {
@@ -77,6 +82,23 @@ class LokiAPIDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(
         val row = wrap(mapOf( userID to userPublicKey, receivedMessageHashValues to receivedMessageHashValuesAsString ))
         database.insertOrUpdate(receivedMessageHashValuesCache, row, "$userID = ?", wrap(userPublicKey))
     }
+
+    override fun getGroupChatAuthToken(serverURL: String): String? {
+        val database = databaseHelper.readableDatabase
+        return database.get(groupChatAuthTokenTable, "${Companion.serverURL} = ?", wrap(serverURL)) { cursor ->
+            cursor.getString(cursor.getColumnIndexOrThrow(token))
+        }
+    }
+
+    override fun setGroupChatAuthToken(token: String?, serverURL: String) {
+        val database = databaseHelper.writableDatabase
+        if (token != null) {
+            val row = wrap(mapOf(Companion.serverURL to serverURL, Companion.token to token!!))
+            database.insertOrUpdate(groupChatAuthTokenTable, row, "${Companion.serverURL} = ?", wrap(serverURL))
+        } else {
+            database.delete(groupChatAuthTokenTable, "${Companion.serverURL} = ?", wrap(serverURL))
+        }
+    }
 }
 
 // region Convenience
diff --git a/src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt b/src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt
index 6dfb37fcf5..43265beae2 100644
--- a/src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt
+++ b/src/org/thoughtcrime/securesms/loki/LokiGroupChatPoller.kt
@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.loki
 import android.content.Context
 import android.os.Handler
 import android.util.Log
+import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
 import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.thoughtcrime.securesms.jobs.PushDecryptJob
 import org.thoughtcrime.securesms.util.TextSecurePreferences
@@ -42,8 +43,10 @@ class LokiGroupChatPoller(private val context: Context, private val groupID: Lon
 
     private fun poll() {
         val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
+        val lokiAPIDatabase = DatabaseFactory.getLokiAPIDatabase(context)
         val lokiUserDatabase = DatabaseFactory.getLokiUserDatabase(context)
-        LokiGroupChatAPI(userHexEncodedPublicKey, lokiUserDatabase).getMessages(groupID).success { messages ->
+        val userPrivateKey = IdentityKeyUtil.getIdentityKeyPair(context).privateKey.serialize()
+        LokiGroupChatAPI(userHexEncodedPublicKey, userPrivateKey, lokiAPIDatabase, lokiUserDatabase).getMessages(groupID).success { messages ->
             messages.reversed().map { message ->
                 val id = "${LokiGroupChatAPI.serverURL}.$groupID".toByteArray()
                 val x1 = SignalServiceGroup(SignalServiceGroup.Type.UPDATE, id, null, null, null)
diff --git a/src/org/thoughtcrime/securesms/loki/LokiUserDatabase.kt b/src/org/thoughtcrime/securesms/loki/LokiUserDatabase.kt
index c17311d707..50a2faee8f 100644
--- a/src/org/thoughtcrime/securesms/loki/LokiUserDatabase.kt
+++ b/src/org/thoughtcrime/securesms/loki/LokiUserDatabase.kt
@@ -12,10 +12,10 @@ import org.whispersystems.signalservice.loki.messaging.LokiUserDatabaseProtocol
 class LokiUserDatabase(context: Context, helper: SQLCipherOpenHelper) : Database(context, helper), LokiUserDatabaseProtocol {
 
     companion object {
-        private val tableName = "loki_user_display_name_database"
+        private val displayNameTable = "loki_user_display_name_database"
         private val hexEncodedPublicKey = "hex_encoded_public_key"
         private val displayName = "display_name"
-        @JvmStatic val createTableCommand = "CREATE TABLE $tableName ($hexEncodedPublicKey TEXT PRIMARY KEY, $displayName TEXT);"
+        @JvmStatic val createTableCommand = "CREATE TABLE $displayNameTable ($hexEncodedPublicKey TEXT PRIMARY KEY, $displayName TEXT);"
     }
 
     override fun getDisplayName(hexEncodedPublicKey: String): String? {
@@ -23,7 +23,7 @@ class LokiUserDatabase(context: Context, helper: SQLCipherOpenHelper) : Database
             return TextSecurePreferences.getProfileName(context)
         } else {
             val database = databaseHelper.readableDatabase
-            return database.get(tableName, "${Companion.hexEncodedPublicKey} = ?", arrayOf(hexEncodedPublicKey)) { cursor ->
+            return database.get(displayNameTable, "${Companion.hexEncodedPublicKey} = ?", arrayOf(hexEncodedPublicKey)) { cursor ->
                 cursor.getString(cursor.getColumnIndexOrThrow(displayName))
             }
         }
@@ -34,7 +34,7 @@ class LokiUserDatabase(context: Context, helper: SQLCipherOpenHelper) : Database
         val row = ContentValues(2)
         row.put(Companion.hexEncodedPublicKey, hexEncodedPublicKey)
         row.put(Companion.displayName, displayName)
-        database.insertOrUpdate(tableName, row, "${Companion.hexEncodedPublicKey} = ?", arrayOf( hexEncodedPublicKey ))
+        database.insertOrUpdate(displayNameTable, row, "${Companion.hexEncodedPublicKey} = ?", arrayOf( hexEncodedPublicKey ))
         Recipient.from(context, Address.fromSerialized(hexEncodedPublicKey), false).notifyListeners()
     }
 }
\ No newline at end of file