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Update pow.cpp

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This commit is contained in:
Sikkie 2024-02-10 23:58:03 +01:00
parent be5fd0f42c
commit bdb8c89e18
1 changed files with 6 additions and 15 deletions
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21
src/pow.cpp
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@ -118,16 +118,16 @@ unsigned int static DarkGravityWave(const CBlockIndex* pindexLast, const Consens
arith_uint256 bnNew(PastDifficultyAverage); arith_uint256 bnNew(PastDifficultyAverage);
int64_t _nTargetTimespan = CountBlocks * params.nPowTargetSpacing; int64_t nTargetTimespan = CountBlocks * params.nPowTargetSpacing;
if (nActualTimespan < _nTargetTimespan/3) if (nActualTimespan < nTargetTimespan/3)
nActualTimespan = _nTargetTimespan/3; nActualTimespan = nTargetTimespan/3;
if (nActualTimespan > _nTargetTimespan*3) if (nActualTimespan > nTargetTimespan*3)
nActualTimespan = _nTargetTimespan*3; nActualTimespan = nTargetTimespan*3;
// Retarget // Retarget
bnNew *= nActualTimespan; bnNew *= nActualTimespan;
bnNew /= _nTargetTimespan; bnNew /= nTargetTimespan;
if (bnNew > UintToArith256(params.powLimit)){ if (bnNew > UintToArith256(params.powLimit)){
bnNew = UintToArith256(params.powLimit); bnNew = UintToArith256(params.powLimit);
@ -214,7 +214,6 @@ unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nF
// Limit adjustment step // Limit adjustment step
int64_t nActualTimespan = pindexLast->GetBlockTime() - nFirstBlockTime; int64_t nActualTimespan = pindexLast->GetBlockTime() - nFirstBlockTime;
LogPrintf(" nActualTimespan = %d before bounds\n", nActualTimespan);
if (nActualTimespan < params.nPowTargetTimespan/4) if (nActualTimespan < params.nPowTargetTimespan/4)
nActualTimespan = params.nPowTargetTimespan/4; nActualTimespan = params.nPowTargetTimespan/4;
if (nActualTimespan > params.nPowTargetTimespan*4) if (nActualTimespan > params.nPowTargetTimespan*4)
@ -223,21 +222,13 @@ unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nF
// Retarget // Retarget
const arith_uint256 bnPowLimit = UintToArith256(params.powLimit); const arith_uint256 bnPowLimit = UintToArith256(params.powLimit);
arith_uint256 bnNew; arith_uint256 bnNew;
arith_uint256 bnOld;
bnNew.SetCompact(pindexLast->nBits); bnNew.SetCompact(pindexLast->nBits);
bnOld = bnNew;
bnNew *= nActualTimespan; bnNew *= nActualTimespan;
bnNew /= params.nPowTargetTimespan; bnNew /= params.nPowTargetTimespan;
if (bnNew > bnPowLimit) if (bnNew > bnPowLimit)
bnNew = bnPowLimit; bnNew = bnPowLimit;
/// debug print
LogPrintf("GetNextWorkRequired RETARGET\n");
LogPrintf("params.nPowTargetTimespan = %d nActualTimespan = %d\n", params.nPowTargetTimespan, nActualTimespan);
LogPrintf("Before: %08x %s\n", pindexLast->nBits, bnOld.ToString());
LogPrintf("After: %08x %s\n", bnNew.GetCompact(), bnNew.ToString());
return bnNew.GetCompact(); return bnNew.GetCompact();
} }