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jl777
2019-08-07 11:36:17 -11:00
parent 0a04ce6009
commit 9d3fdca837
1 changed files with 9 additions and 4 deletions
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13
src/pow.cpp
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@@ -349,13 +349,18 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
if ( ASSETCHAINS_ADAPTIVEPOW == 1 ) // TSA
{
arith_uint256 A,B,C; // fix overflow bug on diff stranding
if ( tipdiff < 3 )
tipdiff = 3;
if ( tipdiff < 4 )
tipdiff = 4;
tipdiff &= ~1;
bnTarget = ct[0] / arith_uint256(K*T);
A = bnTarget * arith_uint256(T);
B = (bnTarget / arith_uint256(360000)) * arith_uint256(tipdiff * zawy_exponential_val360000(tipdiff*5/9));
C = (bnTarget / arith_uint256(360000)) * arith_uint256(T * zawy_exponential_val360000(tipdiff*5/9));
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(tipdiff)) * arith_uint256(K*T);
if ( (ts[0] - ts[1]) < T/2 )
bnTarget = (bnTarget * arith_uint256(2)) / arith_uint256(3);
else if ( (ts[0] - ts[1]) > T*2 )
bnTarget = (bnTarget * arith_uint256(3)) / arith_uint256(2);
{
int32_t z;
for (z=31; z>=0; z--)