From fc18c4812cea7993fa204619be8f246c96485cec Mon Sep 17 00:00:00 2001
From: BhuzOr <giaquinta.adriano@gmail.com>
Date: Sun, 4 Jun 2017 15:04:20 +0200
Subject: [PATCH] Fix for `block_num != 0`

Backport from Steem/BitShares
Some info here: https://github.com/bitshares/bitshares-core/issues/273
---
 libraries/app/application.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/app/application.cpp b/libraries/app/application.cpp
index b7467d78..bba2f525 100644
--- a/libraries/app/application.cpp
+++ b/libraries/app/application.cpp
@@ -833,6 +833,9 @@ namespace detail {
             if (high_block_num == 0)
               return synopsis; // we have no blocks
           }
+          
+          if( low_block_num == 0)
+             low_block_num = 1;
 
           // at this point:
           // low_block_num is the block before the first block we can undo,