DragonX/hush3
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TSA only with bug fix

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This commit is contained in:
jl777
2019-08-07 10:45:24 -11:00
parent 855f955e51
commit d1767f967d
1 changed files with 27 additions and 27 deletions
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54
src/pow.cpp
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@@ -346,6 +346,33 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
if ( zflags[i] != 0 )
ct[i] = zawy_ctB(ct[i],ts[i] - ts[i+1]);
}
if ( ASSETCHAINS_ADAPTIVEPOW == 1 ) // TSA
{
arith_uint256 A,B,C; // fix overflow bug on diff stranding
if ( tipdiff < 2 )
tipdiff = 2;
bnTarget = ct[0] / arith_uint256(K*T);
A = bnTarget * arith_uint256(T);
B = (bnTarget / arith_uint256(360000)) * arith_uint256(tipdiff * zawy_exponential_val360000(tipdiff/2));
C = (bnTarget / arith_uint256(360000)) * arith_uint256(T * zawy_exponential_val360000(tipdiff/2));
bnTarget = (A + B - C) * arith_uint256(K*T) / arith_uint256(tipdiff);
{
int32_t z;
for (z=31; z>=0; z--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[z]);
}
fprintf(stderr," ht.%d TSA bnTarget tipdiff.%d\n",height,tipdiff);
/*bnTarget = (bnTarget + ct[0] + ct[1] + ct[2]) / arith_uint256(4);
{
int32_t z;
for (z=31; z>=0; z--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[z]);
}
fprintf(stderr," sma\n");*/
nbits = bnTarget.GetCompact();
nbits = (nbits & 0xfffffffc) | 0;
return(nbits);
}
}
pindexFirst = pindexLast;
for (i = 0; pindexFirst && i < params.nPowAveragingWindow; i++)
@@ -383,33 +410,6 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
bnTarget = arith_uint256().SetCompact(nbits);
if ( height > (int32_t)(sizeof(ct)/sizeof(*ct)) )
{
if ( ASSETCHAINS_ADAPTIVEPOW == 1 ) // TSA
{
arith_uint256 A,B,C;
if ( tipdiff < 2 )
tipdiff = 2;
bnTarget = ct[0] / arith_uint256(K*T);
A = bnTarget * arith_uint256(T);
B = bnTarget * arith_uint256(tipdiff * zawy_exponential_val360000(tipdiff/2)) / arith_uint256(360000);
C = bnTarget * arith_uint256(T * zawy_exponential_val360000(tipdiff/2)) / arith_uint256(360000);
bnTarget = (A + B - C) * arith_uint256(K*T) / arith_uint256(tipdiff);
{
int32_t z;
for (z=31; z>=0; z--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[z]);
}
fprintf(stderr," ht.%d TSA bnTarget tipdiff.%d\n",height,tipdiff);
/*bnTarget = (bnTarget + ct[0] + ct[1] + ct[2]) / arith_uint256(4);
{
int32_t z;
for (z=31; z>=0; z--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[z]);
}
fprintf(stderr," sma\n");*/
//nbits = bnTarget.GetCompact();
//nbits = (nbits & 0xfffffffc) | 0;
//return(nbits);
}
easy.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
if ( pblock != 0 )
{