From f031558b28372ca324122eb6402556a9b6b9f81a Mon Sep 17 00:00:00 2001
From: martinsumner <martin.sumner@adaptip.co.uk>
Date: Sat, 21 Jan 2017 13:45:19 +0000
Subject: [PATCH] Make idxt active implementation

Use idxt for ledger_cache - ready for volume test
---
 include/leveled.hrl  | 2 +-
 src/leveled_tree.erl | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/leveled.hrl b/include/leveled.hrl
index 16fd39b..e1c9646 100644
--- a/include/leveled.hrl
+++ b/include/leveled.hrl
@@ -15,7 +15,7 @@
 %% Inker key type used for tombstones
 -define(INKT_TOMB, tomb).
 
--define(CACHE_TYPE, tree).
+-define(CACHE_TYPE, idxt).
 
 -record(sft_options,
                         {wait = true :: boolean(),
diff --git a/src/leveled_tree.erl b/src/leveled_tree.erl
index 4cf30ee..a052641 100644
--- a/src/leveled_tree.erl
+++ b/src/leveled_tree.erl
@@ -137,7 +137,9 @@ tsize({_Type, L, _Tree}) ->
     L.
 
 empty(tree) ->
-    {tree, 0, empty_tree()}.
+    {tree, 0, empty_tree()};
+empty(idxt) ->
+    {idxt, 0, {{}, empty_tree()}}.
 
 %%%============================================================================
 %%% Internal Functions