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caulculate nonce for genesis block

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orignal 2017-03-25 07:04:23 -04:00
parent 67aef8613d
commit e95ed4f4d7
1 changed files with 34 additions and 6 deletions
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40
src/main.cpp
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@ -32,7 +32,7 @@ CTxMemPool mempool;
unsigned int nTransactionsUpdated = 0;
map<uint256, CBlockIndex*> mapBlockIndex;
uint256 hashGenesisBlock("0x854af134ca532bc1024668fef72b867285c377939fadad725fe44fa8dc5ce071");
uint256 hashGenesisBlock("0x0000f76576b36ed0eeb67f798a659691c833729c106e66bcd59a564f4dfb2d25");
static CBigNum bnProofOfWorkLimit( CBigNum().SetCompact(0x1e0ffff0) );
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
@ -2899,7 +2899,7 @@ bool InitBlockIndex() {
if (!fReindex) {
// Genesis block
const char* pszTimestamp = "03/Mar/2017: GOST R 34.11-2012";
const char* pszTimestamp = "25/Mar/2017: GOST R 34.11-2012 - orignal";
CTransaction txNew;
txNew.vin.resize(1);
txNew.vout.resize(1);
@ -2911,9 +2911,13 @@ bool InitBlockIndex() {
block.hashPrevBlock = 0;
block.hashMerkleRoot = block.BuildMerkleTree();
block.nVersion = 1;
block.nTime = 1490300171;
block.nBits = 0x1e0ffff0;
block.nNonce = 517204426;
block.nTime = 1490439226;
block.nBits = 0x1f00ffff;
/*CBigNum n;
n.SetHex ("0000ffff00000000000000000000000000000000000000000000000000000000"); // 4
block.nBits = n.GetCompact ();
printf("nbits %x\n", block.nBits);*/
block.nNonce = 517336085;
if (fTestNet)
{
@ -2921,12 +2925,36 @@ bool InitBlockIndex() {
block.nNonce = 346280655;
}
// temporary code for finding nonce for genesis, should be removed later one
/* uint256 hashTarget = CBigNum().SetCompact(block.nBits).getuint256();
printf("hash target %s\n", hashTarget.ToString().c_str());
while(true)
{
auto thash = block.GetHash();
if (thash <= hashTarget)
break;
if ((block.nNonce & 0xFFF) == 0)
{
printf("nonce %08X: hash = %s (target = %s)\n", block.nNonce, thash.ToString().c_str(), hashTarget.ToString().c_str());
}
++block.nNonce;
if (block.nNonce == 0)
{
printf("NONCE WRAPPED, incrementing time\n");
++block.nTime;
}
}
printf("block.nTime = %u \n", block.nTime);
printf("block.nNonce = %u \n", block.nNonce); */
/////////////////////////////////////////////////////////////
//// debug print
uint256 hash = block.GetHash();
printf("hash %s\n", hash.ToString().c_str());
printf("hashGenesisBlock %s\n", hashGenesisBlock.ToString().c_str());
printf("block.hashMerkleRoot %s\n", block.hashMerkleRoot.ToString().c_str());
assert(block.hashMerkleRoot == uint256("0x493a01b36e03c86538119feb5d5f55b728139da411297743895f490a817a17ee"));
assert(block.hashMerkleRoot == uint256("0x188f524568dea3322c69d3e91671b12528d4001f766fa7b5f95531dc6d8591be"));
block.print();
assert(hash == hashGenesisBlock);