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hash in Little Endian

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orignal 2017-04-02 14:14:51 -04:00
parent 22c32cd4d3
commit 246f600b43
2 changed files with 13 additions and 11 deletions
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11
src/hash.h
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@ -7,6 +7,7 @@
#include "uint256.h"
#include "serialize.h"
#include "util.h"
#include "Gost.h"
#include <openssl/sha.h>
@ -20,9 +21,13 @@ inline uint256 Hash(const T1 pbegin, const T1 pend)
// GOST 34.11-256 (GOST 34.11-512 (...))
static unsigned char pblank[1];
uint8_t hash1[64];
i2p::crypto::GOSTR3411_2012_512 ((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), hash1);
uint256 hash2;
i2p::crypto::GOSTR3411_2012_256 (hash1, 64, hash2.begin ());
i2p::crypto::GOSTR3411_2012_512 ((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), hash1);
uint8_t digest[32];
i2p::crypto::GOSTR3411_2012_256 (hash1, 64, digest);
// to little endian
uint256 hash2;
for (int i = 0; i < 32; i++)
hash2.begin ()[i] = digest[31-i];
return hash2;
}

13
src/main.cpp
View File

@ -32,7 +32,7 @@ CTxMemPool mempool;
unsigned int nTransactionsUpdated = 0;
map<uint256, CBlockIndex*> mapBlockIndex;
uint256 hashGenesisBlock("0x0000022ebc4fc755b87492cc6733b953cc08f11adca0b0e566bd67165ea17cb7");
uint256 hashGenesisBlock("0x00000dd00df9728558f339d2e034e2c862329d509018b56d699aec5b6fa6ba1f");
static CBigNum bnProofOfWorkLimit( CBigNum().SetCompact(0x1e0ffff0) );
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
@ -2911,13 +2911,13 @@ bool InitBlockIndex() {
block.hashPrevBlock = 0;
block.hashMerkleRoot = block.BuildMerkleTree();
block.nVersion = 1;
block.nTime = 1491140178;
block.nTime = 1491156549;
block.nBits = 0x1e0ffff0;
/*CBigNum n;
n.SetHex ("0000ffff00000000000000000000000000000000000000000000000000000000"); // 4
block.nBits = n.GetCompact ();
printf("nbits %x\n", block.nBits);*/
block.nNonce = 517611960;
block.nNonce = 517725659;
if (fTestNet)
{
@ -2926,7 +2926,7 @@ bool InitBlockIndex() {
}
// temporary code for finding nonce for genesis, should be removed later one
/* uint256 hashTarget = CBigNum().SetCompact(block.nBits).getuint256();
/*uint256 hashTarget = CBigNum().SetCompact(block.nBits).getuint256();
printf("hash target %s\n", hashTarget.ToString().c_str());
while(true)
{
@ -4662,11 +4662,8 @@ bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey)
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
if (hash > hashTarget)
{
printf ("Block failed %s\n", hash.GetHex().c_str());
pblock->print ();
return false;
}
//// debug print
printf("AnoncoinMiner:\n");
printf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex().c_str(), hashTarget.GetHex().c_str());