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jl777
2019-08-05 21:06:33 -11:00
parent c296c5fdd8
commit 4880932792
1 changed files with 7 additions and 5 deletions
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12
src/pow.cpp
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@@ -107,9 +107,9 @@ arith_uint256 RT_CST_RST(int32_t height,uint32_t nTime,arith_uint256 bnTarget,ui
//bnTarget = ((ct[0]-ct[1])/K) * max(K,(K*(nTime-ts[0])*(ts[0]-ts[W])*denominator/numerator)/T/T); //bnTarget = ((ct[0]-ct[1])/K) * max(K,(K*(nTime-ts[0])*(ts[0]-ts[W])*denominator/numerator)/T/T);
bnTarget = (ct[0] - ct[1]) / arith_uint256(K); bnTarget = (ct[0] - ct[1]) / arith_uint256(K);
altK = (K * (nTime-ts[0]) * (ts[0]-ts[W]) * denominator / numerator) / (T * T); altK = (K * (nTime-ts[0]) * (ts[0]-ts[W]) * denominator / numerator) / (T * T);
fprintf(stderr,"ht.%d initial altK.%d\n",height,altK);
if ( altK > K ) if ( altK > K )
altK = K; altK = K;
else fprintf(stderr,"ht.%d initial altK.%d %d * %d * %d / %d\n",height,altK,(nTime-ts[0]),(ts[0]-ts[W]),denominator,numerator);
bnTarget *= arith_uint256(altK); bnTarget *= arith_uint256(altK);
} }
/* Check past 24 blocks for any sum of 3 STs < T/2 triggers. This is messy /* Check past 24 blocks for any sum of 3 STs < T/2 triggers. This is messy
@@ -183,6 +183,8 @@ arith_uint256 zawy_exponential(arith_uint256 bnTarget,int32_t mult)
return(bnTarget); return(bnTarget);
} }
// 9:53 launch for ZAWY17
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params) unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params)
{ {
if (ASSETCHAINS_ALGO != ASSETCHAINS_EQUIHASH && ASSETCHAINS_STAKED == 0) if (ASSETCHAINS_ALGO != ASSETCHAINS_EQUIHASH && ASSETCHAINS_STAKED == 0)
@@ -221,7 +223,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
memset(ct0,0,sizeof(ct0)); memset(ct0,0,sizeof(ct0));
if ( pindexLast != 0 ) if ( pindexLast != 0 )
height = (int32_t)pindexLast->GetHeight() + 1; height = (int32_t)pindexLast->GetHeight() + 1;
if ( ASSETCHAINS_ADAPTIVEPOW > 0 && pindexFirst != 0 && pblock != 0 && height > (int32_t)(sizeof(ct)/sizeof(*ct)) ) if ( ASSETCHAINS_ADAPTIVEPOW > 0 && pindexFirst != 0 && pblock != 0 && height >= (int32_t)(sizeof(ct)/sizeof(*ct)) )
{ {
tipdiff = (pblock->nTime - pindexFirst->nTime); tipdiff = (pblock->nTime - pindexFirst->nTime);
mult = tipdiff - 7 * ASSETCHAINS_BLOCKTIME; mult = tipdiff - 7 * ASSETCHAINS_BLOCKTIME;
@@ -229,7 +231,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
for (i=0; pindexFirst != 0 && i<(int32_t)(sizeof(ct)/sizeof(*ct)); i++) for (i=0; pindexFirst != 0 && i<(int32_t)(sizeof(ct)/sizeof(*ct)); i++)
{ {
ct[i].SetCompact(pindexFirst->nBits); ct[i].SetCompact(pindexFirst->nBits);
if ( pindexFirst->GetHeight() >= 64 && (pindexFirst->nBits&3) != 0 ) if ( (pindexFirst->nBits&3) != 0 )
ct[i] /= arith_uint256((pindexFirst->nBits&3) + 1); ct[i] /= arith_uint256((pindexFirst->nBits&3) + 1);
ts[i] = pindexFirst->nTime; ts[i] = pindexFirst->nTime;
pindexFirst = pindexFirst->pprev; pindexFirst = pindexFirst->pprev;
@@ -253,7 +255,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
mult = diff; mult = diff;
} }
} }
if ( pindexFirst->GetHeight() >= 64 && (pindexFirst->nBits&3) != 0 ) if ( pindexFirst->GetHeight() >= (int32_t)(sizeof(ct)/sizeof(*ct)) && (pindexFirst->nBits&3) != 0 )
{ {
bnTmp /= arith_uint256((pindexFirst->nBits&3) + 1); // check against ct[i] bnTmp /= arith_uint256((pindexFirst->nBits&3) + 1); // check against ct[i]
if ( ct[i] != bnTmp ) if ( ct[i] != bnTmp )
@@ -270,7 +272,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
bool fNegative,fOverflow; int32_t zawyflag = 0; arith_uint256 easy,origtarget,bnAvg {bnTot / params.nPowAveragingWindow}; bool fNegative,fOverflow; int32_t zawyflag = 0; arith_uint256 easy,origtarget,bnAvg {bnTot / params.nPowAveragingWindow};
nbits = CalculateNextWorkRequired(bnAvg, pindexLast->GetMedianTimePast(), pindexFirst->GetMedianTimePast(), params); nbits = CalculateNextWorkRequired(bnAvg, pindexLast->GetMedianTimePast(), pindexFirst->GetMedianTimePast(), params);
if ( ASSETCHAINS_ADAPTIVEPOW > 0 )//&& block12diff != 0 && block7diff != 0 && block4diff != 0 ) if ( ASSETCHAINS_ADAPTIVEPOW > 0 && height >= (int32_t)(sizeof(ct)/sizeof(*ct)) )
{ {
bnTarget = arith_uint256().SetCompact(nbits); bnTarget = arith_uint256().SetCompact(nbits);
easy.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow); easy.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);