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src/primitives/block.cpp: endian compatibility in GetHash

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This commit is contained in:
Wladimir J. van der Laan 2014-12-19 11:39:38 +01:00
parent dec84cae2a
commit 81aeb28436
1 changed files with 12 additions and 0 deletions
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12
src/primitives/block.cpp
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@ -8,10 +8,22 @@
#include "hash.h" #include "hash.h"
#include "tinyformat.h" #include "tinyformat.h"
#include "utilstrencodings.h" #include "utilstrencodings.h"
#include "crypto/common.h"
uint256 CBlockHeader::GetHash() const 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)); return Hash(BEGIN(nVersion), END(nNonce));
#endif
} }
uint256 CBlock::BuildMerkleTree(bool* fMutated) const uint256 CBlock::BuildMerkleTree(bool* fMutated) const