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Tweak targets to make it converge faster

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jl777
2019-08-07 06:21:44 -11:00
parent b1d8ec03d6
commit 319a41bf71
1 changed files with 14 additions and 5 deletions
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19
src/pow.cpp
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@@ -124,7 +124,7 @@ arith_uint256 RT_CST_RST_target(int32_t height,uint32_t nTime,arith_uint256 bnTa
bnTarget = ct[0];
for (i=1; i<width; i++)
bnTarget += ct[i];
bnTarget /= arith_uint256(width * K);
bnTarget /= arith_uint256((width+1) * K);
innerK = (K * (nTime-ts[0]) * (ts[0]-ts[width])) / (width * T * T);
bnTarget *= arith_uint256(innerK);
{
@@ -132,17 +132,19 @@ arith_uint256 RT_CST_RST_target(int32_t height,uint32_t nTime,arith_uint256 bnTa
for (z=31; z>=0; z--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[z]);
}
fprintf(stderr," ht.%d made it to i == 0, innerK %lld (%d * %d) %u - %u width.%d\n",height,(long long)innerK,(nTime-ts[0]),(ts[0]-ts[width]),ts[0],ts[width],width);
fprintf(stderr," ht.%d innerK %lld (%d * %d) %u - %u width.%d\n",height,(long long)innerK,(nTime-ts[0]),(ts[0]-ts[width]),ts[0],ts[width],width);
return(bnTarget);
}
arith_uint256 RT_CST_RST_inner(int32_t height,uint32_t nTime,arith_uint256 bnTarget,uint32_t *ts,arith_uint256 *ct,int32_t numerator,int32_t denominator,int32_t W,int32_t past,int32_t outeri)
{
arith_uint256 bnTargetW,bnTargetwidth,bnTmp,mintarget; int32_t width = outeri+W;
arith_uint256 bnTargetW,bnTargetwidth,bnTmp,mintarget; int32_t factor,elapsed,width = outeri+W;
fprintf(stderr,"check inner outeri.%d, width.%d %d vs %d\n",outeri,width,(ts[0] - ts[width]),width*T);
if ( (ts[0] - ts[width]) < width*T )
if ( (elapsed= (ts[0] - ts[width])) < width*T )
{
mintarget = (bnTarget / arith_uint256(5)) * arith_uint256(4);
if ( (factor= (elapsed - width*T)/T) >= 1 )
mintarget = (bnTarget / arith_uint256(factor+1));
else mintarget = (bnTarget / arith_uint256(4)) * arith_uint256(3);
bnTargetW = RT_CST_RST_target(height,nTime,bnTarget,ts,ct,W);
bnTargetwidth = RT_CST_RST_target(height,nTime,bnTarget,ts,ct,width);
if ( bnTargetW < bnTargetwidth )
@@ -369,9 +371,16 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
}
else
{
if ( height < 70 )
{
for (i=0; i<past; i++)
fprintf(stderr,"%d ",zflags[i]);
}
for (i=1; i<past; i++)
if ( (zflags[i] & 2) != 0 )
break;
if ( height < 70 )
fprintf(stderr,"ht.%d zflags found at outeri.%d\n",height,i);
if ( i < past )
{
bnTarget = RT_CST_RST_inner(height,pblock->nTime,bnTarget,ts,ct,1,2,3,past,i);