From e9809382109765ce53fcbd95e1fc593d9b19e184 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Wed, 1 May 2019 19:57:34 +0000
Subject: fix wide difficulty conversion with some versions of boost

---
 src/serialization/difficulty_type.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/serialization')

diff --git a/src/serialization/difficulty_type.h b/src/serialization/difficulty_type.h
index e32e24b78..c551095f9 100644
--- a/src/serialization/difficulty_type.h
+++ b/src/serialization/difficulty_type.h
@@ -54,8 +54,8 @@ inline bool do_serialize(Archive<true>& ar, cryptonote::difficulty_type &diff)
 {
   if (!ar.stream().good())
     return false;
-  const uint64_t hi = (diff >> 64).convert_to<uint64_t>();
-  const uint64_t lo = (diff << 64 >> 64).convert_to<uint64_t>();
+  const uint64_t hi = ((diff >> 64) & 0xffffffffffffffff).convert_to<uint64_t>();
+  const uint64_t lo = (diff & 0xffffffffffffffff).convert_to<uint64_t>();
   ar.serialize_varint(hi);
   ar.serialize_varint(lo);
   if (!ar.stream().good())
-- 
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