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Radical hash rate optimization

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This commit is contained in:
Michael Toutonghi
2018-06-26 07:39:50 -07:00
parent 1a0fc30896
commit 4dcb64c081
15 changed files with 271 additions and 151 deletions
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18
src/primitives/block.cpp
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@@ -27,19 +27,10 @@ uint256 CBlockHeader::GetVerusHash() const
return SerializeVerusHash(*this);
}
uint256 CBlockHeader::GetVerusHashPortable() const
{
if (hashPrevBlock.IsNull())
// always use SHA256D for genesis block
return SerializeHash(*this);
else
return SerializeVerusHashPortable(*this);
}
uint256 CBlockHeader::GetVerusMiningHash() const
uint256 CBlockHeader::GetVerusV2Hash() const
{
// no check for genesis block and use the optimized hash
return SerializeVerusMiningHash(*this);
return SerializeVerusHashV2(*this);
}
void CBlockHeader::SetSHA256DHash()
@@ -52,11 +43,6 @@ void CBlockHeader::SetVerusHash()
CBlockHeader::hashFunction = &CBlockHeader::GetVerusHash;
}
void CBlockHeader::SetVerusHashPortable()
{
CBlockHeader::hashFunction = &CBlockHeader::GetVerusHashPortable;
}
uint256 CBlock::BuildMerkleTree(bool* fMutated) const
{
/* WARNING! If you're reading this because you're learning about crypto

9
src/primitives/block.h
View File

@@ -84,10 +84,7 @@ public:
uint256 GetVerusHash() const;
static void SetVerusHash();
uint256 GetVerusHashPortable() const;
static void SetVerusHashPortable();
uint256 GetVerusMiningHash() const;
uint256 GetVerusV2Hash() const;
int64_t GetBlockTime() const
{
@@ -110,14 +107,14 @@ public:
{
arith_uint256 arNonce = UintToArith256(nNonce);
arith_uint256 tmpNonce = ((arNonce << 128) >> 128);
CVerusHashPortableWriter hashWriter = CVerusHashPortableWriter(SER_GETHASH, PROTOCOL_VERSION);
CVerusHashWriter hashWriter = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
hashWriter << ArithToUint256(tmpNonce);
return (nNonce == ArithToUint256(UintToArith256(hashWriter.GetHash()) << 128 | tmpNonce));
}
void SetVerusPOSTarget(int32_t nBits)
{
CVerusHashPortableWriter hashWriter = CVerusHashPortableWriter(SER_GETHASH, PROTOCOL_VERSION);
CVerusHashWriter hashWriter = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
uint256 hash;
arith_uint256 tmpNonce;

2
src/primitives/transaction.h
View File

@@ -476,7 +476,7 @@ public:
// verus hash will be the same for a given txid, output number, block height, and blockhash of 100 blocks past
static uint256 _GetVerusPOSHash(const uint256 &txid, int32_t voutNum, int32_t height, const uint256 &pastHash, int64_t value)
{
CVerusHashPortableWriter hashWriter = CVerusHashPortableWriter(SER_GETHASH, PROTOCOL_VERSION);
CVerusHashWriter hashWriter = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
hashWriter << ASSETCHAINS_MAGIC;
hashWriter << pastHash;