Rename CClaimTrieCache to CClaimTrieUpdateBuffer #156

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kaykurokawa wants to merge 276 commits from cclaimtriecache_change into master
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@ -14,31 +14,20 @@
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params) unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params)
{ {
unsigned int nProofOfWorkLimit = UintToArith256(params.powLimit).GetCompact(); unsigned int nProofOfWorkLimit = UintToArith256(params.powLimit).GetCompact();
// Genesis block // Genesis block
if (pindexLast == NULL) if (pindexLast == NULL)
return nProofOfWorkLimit; return nProofOfWorkLimit;
// Only change once per difficulty adjustment interval if (params.fPowAllowMinDifficultyBlocks)
if ((pindexLast->nHeight+1) % params.DifficultyAdjustmentInterval() != 0)
{ {
if (params.fPowAllowMinDifficultyBlocks) // Special difficulty rule for testnet:
{ // If the new block's timestamp is twice the target block time
// Special difficulty rule for testnet: // then allow mining of a min-difficulty block.
// If the new block's timestamp is more than 2* 10 minutes // This is to prevent the testnet from gettig stuck when a large amount
// then allow mining of a min-difficulty block. // of hashrate drops off the network.
if (pblock->GetBlockTime() > pindexLast->GetBlockTime() + params.nPowTargetSpacing*2) if (pblock->GetBlockTime() > pindexLast->GetBlockTime() + params.nPowTargetSpacing*2){
return nProofOfWorkLimit; return nProofOfWorkLimit;
else
{
// Return the last non-special-min-difficulty-rules-block
const CBlockIndex* pindex = pindexLast;
while (pindex->pprev && pindex->nHeight % params.DifficultyAdjustmentInterval() != 0 && pindex->nBits == nProofOfWorkLimit)
pindex = pindex->pprev;
return pindex->nBits;
}
} }
return pindexLast->nBits;
} }
// Go back the full period unless it's the first retarget after genesis. // Go back the full period unless it's the first retarget after genesis.