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This commit is contained in:
Calin Culianu 2019-12-04 16:54:40 +02:00
parent c2c17f5e36
commit ea6a607642
6 changed files with 206 additions and 23 deletions
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24
BlockProc.cpp
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@ -11,8 +11,7 @@
#include <unordered_map>
#include <unordered_set>
/*static*/ const QByteArray PreProcessedBlock::staticnull;
namespace BlockProcStatics { const TxHash nullhash; };
/// fill this struct's data with all the txdata, etc from a bitcoin CBlock. Alternative to using the second c'tor.
void PreProcessedBlock::fill(unsigned blockHeight, size_t blockSize, const bitcoin::CBlock &b) {
@ -23,7 +22,6 @@ void PreProcessedBlock::fill(unsigned blockHeight, size_t blockSize, const bitco
header = b.GetBlockHeader();
estimatedThisSizeBytes = sizeof(*this) + size_t(BTC::GetBlockHeaderSize());
txInfos.reserve(b.vtx.size());
using HashHasher = BTC::QByteArrayHashHasher;
std::unordered_map<QByteArray, unsigned, HashHasher> txHashToIndex;
std::unordered_map<HashX, std::vector<unsigned>, HashHasher> hashXOuts, hashXIns;
std::unordered_set<HashX, HashHasher> hashXsSeen;
@ -186,3 +184,23 @@ PreProcessedBlockPtr
{
return std::make_shared<PreProcessedBlock>(height, size, block);
}
// very much a work in progress. this needs to also consult the UTXO set to be complete. For now we just
// have this here for reference.
std::vector<std::unordered_set<HashX, HashHasher>>
ProcessedBlock::hashXTouchedByTx() const
{
std::vector<std::unordered_set<HashX, HashHasher>> ret(txInfos.size());
for (const auto & ag : hashXAggregated) {
// scan all outputs and add this hashX
for (const auto outIdx : ag.outs) {
ret[outputs[outIdx].txIdx].insert(ag.hashX); // cheap shallow copy
}
// scan all inputs and add this hashX
for (const auto inIdx : ag.ins) {
ret[inputs[inIdx].txIdx].insert(ag.hashX);
}
}
return ret;
}