From 5746674ffd8e0a9d9dcd34e68eb5a8c00b837570 Mon Sep 17 00:00:00 2001
From: Marek Kotewicz <marek.kotewicz@gmail.com>
Date: Wed, 24 Jun 2015 23:07:05 +0200
Subject: [PATCH] blockchain isKnown block / transaction