From 1d4e61167ffb783781a2106d66d34737a2c5a161 Mon Sep 17 00:00:00 2001
From: Marek Kotewicz <marek.kotewicz@gmail.com>
Date: Tue, 31 Mar 2015 12:43:08 +0200
Subject: [PATCH] most compact number representation

---
 libdevcore/CommonJS.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libdevcore/CommonJS.h b/libdevcore/CommonJS.h
index cc487d54c..ade089e16 100644
--- a/libdevcore/CommonJS.h
+++ b/libdevcore/CommonJS.h
@@ -38,7 +38,10 @@ template <unsigned S> std::string toJS(FixedHash<S> const& _h)
 
 template <unsigned N> std::string toJS(boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N, N, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>> const& _n)
 {
-	return "0x" + toHex(toCompactBigEndian(_n, 1));
+	std::string h = toHex(toCompactBigEndian(_n, 1));
+	// remove first 0, if it is necessary;
+	std::string res = h[0] != '0' ? h : h.substr(1);
+	return "0x" + res;
 }
 
 inline std::string toJS(bytes const& _n, std::size_t _padding = 0)