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Fix TSA overflow and /= tip-off

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jl777
2019-08-07 09:32:01 -11:00
parent 516c28d424
commit b1f9dbbcec
1 changed files with 4 additions and 4 deletions
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8
src/pow.cpp
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@@ -346,16 +346,16 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
if ( zflags[i] != 0 ) if ( zflags[i] != 0 )
ct[i] = zawy_ctB(ct[i],ts[i] - ts[i+1]); ct[i] = zawy_ctB(ct[i],ts[i] - ts[i+1]);
} }
if ( ASSETCHAINS_ADAPTIVEPOW == 2 ) if ( ASSETCHAINS_ADAPTIVEPOW == 1 ) // TSA
{ {
arith_uint256 A,B,C; arith_uint256 A,B,C;
if ( tipdiff < 2 ) if ( tipdiff < 2 )
tipdiff = 2; tipdiff = 2;
bnTarget = ct[0] / arith_uint256(K); bnTarget = ct[0] / arith_uint256(K*T);
A = bnTarget * arith_uint256(T); A = bnTarget * arith_uint256(T);
B = bnTarget * arith_uint256(tipdiff * zawy_exponential_val360000(tipdiff/2)) / arith_uint256(360000); B = bnTarget * arith_uint256(tipdiff * zawy_exponential_val360000(tipdiff/2)) / arith_uint256(360000);
C = bnTarget * arith_uint256(T * 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); bnTarget = (A + B - C) * arith_uint256(K*T) / arith_uint256(tipdiff);
{ {
int32_t z; int32_t z;
for (z=31; z>=0; z--) for (z=31; z>=0; z--)