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Proposed change to add decay to block work

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myriadcoin
2014-12-07 11:00:08 +02:00
parent c59091563f
commit c6e929c756
1 changed files with 29 additions and 2 deletions
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src/main.h
+29 -2
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@@ -689,6 +689,7 @@ enum BlockStatus {
const int64_t nBlockAlgoWorkWeightStart = 142000; // block where algo work weighting starts
const int64_t nBlockAlgoNormalisedWorkStart = 740000; // block where algo combined weight starts
const int64_t nBlockAlgoNormalisedWorkStart2 = 99990000; // block where algo combined weight starts with decay
const int64_t nBlockSequentialAlgoRuleStart = 740000; // block where sequential algo rule starts
const int64_t nBlockSequentialAlgoRuleStart2 = 766000; // block where sequential algo rule starts
const int nBlockSequentialAlgoMaxCount = 6; // maximum sequential blocks of same algo
@@ -833,7 +834,6 @@ public:
CBigNum GetPrevWorkForAlgo(int algo) const
{
CBigNum nWork;
CBlockIndex* pindex = this->pprev;
while (pindex)
{
@@ -846,6 +846,30 @@ public:
return Params().ProofOfWorkLimit(algo);
}
CBigNum GetPrevWorkForAlgoWithDecay(int algo) const
{
int nDistance = 0;
CBigNum nWork;
CBlockIndex* pindex = this->pprev;
while (pindex)
{
if (nDistance > 32)
{
return Params().ProofOfWorkLimit(algo);
}
if (pindex->GetAlgo() == algo)
{
CBigNum nWork = pindex->GetBlockWork();
nWork = nWork * (32 - nDistance);
nWork = nWork / 32;
return nWork;
}
pindex = pindex->pprev;
nDistance++;
}
return Params().ProofOfWorkLimit(algo);
}
CBigNum GetBlockWork() const
{
CBigNum bnTarget;
@@ -897,7 +921,10 @@ public:
{
if (algo != nAlgo)
{
nBlockWork += GetPrevWorkForAlgo(algo);
if (nHeight >= nBlockAlgoNormalisedWorkStart2)
nBlockWork += GetPrevWorkForAlgoWithDecay(algo);
else
nBlockWork += GetPrevWorkForAlgo(algo);
}
}
bnRes = nBlockWork / NUM_ALGOS;