From 81aeb28436d847ed4e6bcda8c746a3e5631c7feb Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Fri, 19 Dec 2014 11:39:38 +0100
Subject: [PATCH] src/primitives/block.cpp: endian compatibility in GetHash

---
 src/primitives/block.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/primitives/block.cpp b/src/primitives/block.cpp
index 3b4a36039..8338762a3 100644
--- a/src/primitives/block.cpp
+++ b/src/primitives/block.cpp
@@ -8,10 +8,22 @@
 #include "hash.h"
 #include "tinyformat.h"
 #include "utilstrencodings.h"
+#include "crypto/common.h"
 
 uint256 CBlockHeader::GetHash() const
 {
+#if defined(WORDS_BIGENDIAN)
+    uint8_t data[80];
+    WriteLE32(&data[0], nVersion);
+    memcpy(&data[4], hashPrevBlock.begin(), hashPrevBlock.size());
+    memcpy(&data[36], hashMerkleRoot.begin(), hashMerkleRoot.size());
+    WriteLE32(&data[68], nTime);
+    WriteLE32(&data[72], nBits);
+    WriteLE32(&data[76], nNonce);
+    return Hash(data, data + 80);
+#else // Can take shortcut for little endian
     return Hash(BEGIN(nVersion), END(nNonce));
+#endif
 }
 
 uint256 CBlock::BuildMerkleTree(bool* fMutated) const