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added stake cache + checked ismine

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janko33bd
2018-01-30 23:52:33 +01:00
parent 6bb3826fe1
commit c1e0fac4f8
5 changed files with 92 additions and 29 deletions
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59
src/pos.cpp
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@@ -154,3 +154,62 @@ bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsig
return VerifyScript(txin.scriptSig, txout.scriptPubKey, flags, TransactionSignatureChecker(&txTo, nIn), NULL);
}
bool CheckKernel(CBlockIndex* pindexPrev, unsigned int nBits, uint32_t nTimeBlock, const COutPoint& prevout, uint32_t* pBlockTime){
std::map<COutPoint, CStakeCache> tmp;
return CheckKernel(pindexPrev, nBits, nTimeBlock, prevout, pBlockTime, tmp);
}
bool CheckKernel(CBlockIndex* pindexPrev, unsigned int nBits, uint32_t nTime, const COutPoint& prevout, uint32_t* pBlockTime, const std::map<COutPoint, CStakeCache>& cache)
{
uint256 hashProofOfStake, targetProofOfStake;
auto it=cache.find(prevout);
if(it == cache.end()) {
CTransaction txPrev;
CDiskTxPos txindex;
if (!ReadFromDisk(txPrev, txindex, *pblocktree, prevout))
return false;
// Read block header
CBlock block;
const CDiskBlockPos& pos = CDiskBlockPos(txindex.nFile, txindex.nPos);
if (!ReadBlockFromDisk(block, pos, Params().GetConsensus()))
return false;
int nDepth;
if (IsConfirmedInNPrevBlocks(txindex, pindexPrev, Params().GetConsensus().nStakeMinConfirmations - 1, nDepth))
return false;
if (pBlockTime)
*pBlockTime = block.GetBlockTime();
return CheckStakeKernelHash(pindexPrev, nBits, new CCoins(txPrev, pindexPrev->nHeight), prevout, nTime);
}else{
//found in cache
const CStakeCache& stake = it->second;
if (pBlockTime)
*pBlockTime = stake.blockFrom.GetBlockTime();
return CheckStakeKernelHash(pindexPrev, nBits, new CCoins(stake.txPrev, pindexPrev->nHeight), prevout, nTime);
}
}
void CacheKernel(std::map<COutPoint, CStakeCache>& cache, const COutPoint& prevout){
if(cache.find(prevout) != cache.end()){
//already in cache
return;
}
CTransaction txPrev;
CDiskTxPos txindex;
if (!ReadFromDisk(txPrev, txindex, *pblocktree, prevout))
return;
// Read block
CBlock block;
const CDiskBlockPos& pos = CDiskBlockPos(txindex.nFile, txindex.nPos);
if (!ReadBlockFromDisk(block, pos, Params().GetConsensus()))
return;
CStakeCache c(block, txindex, txPrev);
cache.insert({prevout, c});
}