bool CBlockTreeDB::LoadBlockIndexGuts(boost::function<CBlockIndex*(const uint256&)> insertBlockIndex)
{
std::unique_ptr<CDBIterator> pcursor(NewIterator());
pcursor->Seek(std::make_pair(DB_BLOCK_INDEX, uint256()));
// Load mapBlockIndex
while (pcursor->Valid()) {
boost::this_thread::interruption_point();
std::pair<char, uint256> key;
if (pcursor->GetKey(key) && key.first == DB_BLOCK_INDEX) {
CDiskBlockIndex diskindex;
if (pcursor->GetValue(diskindex)) {
// Construct block index object
CBlockIndex* pindexNew = insertBlockIndex(diskindex.GetBlockHash());
pindexNew->pprev = insertBlockIndex(diskindex.hashPrev);
pindexNew->nHeight = diskindex.nHeight;
pindexNew->nFile = diskindex.nFile;
pindexNew->nDataPos = diskindex.nDataPos;
pindexNew->nUndoPos = diskindex.nUndoPos;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
pindexNew->nStatus = diskindex.nStatus;
pindexNew->nTx = diskindex.nTx;
// Eboost: Disable PoW Sanity check while loading block index from disk.
// We use the sha256 hash for the block index for performance reasons, which is recorded for later use.
// CheckProofOfWork() uses the scrypt hash which is discarded after a block is accepted.
// While it is technically feasible to verify the PoW, doing so takes several minutes as it
// requires recomputing every PoW hash during every Eboost startup.
// We opt instead to simply trust the data that is on your local disk.
//if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits, Params().GetConsensus()))
// return error("LoadBlockIndex(): CheckProofOfWork failed: %s", pindexNew->ToString());
pcursor->Next();
} else {
return error("LoadBlockIndex() : failed to read value");
}
} else {
break;
}
}
return true;
}
bool CBlockTreeDB::LoadBlockIndexGuts(boost::function<CBlockIndex*(const uint256&)> insertBlockIndex)
{
std::unique_ptr<CDBIterator> pcursor(NewIterator());
pcursor->Seek(std::make_pair(DB_BLOCK_INDEX, uint256()));
// Load mapBlockIndex
while (pcursor->Valid()) {
boost::this_thread::interruption_point();
std::pair<char, uint256> key;
if (pcursor->GetKey(key) && key.first == DB_BLOCK_INDEX) {
CDiskBlockIndex diskindex;
if (pcursor->GetValue(diskindex)) {
// Construct block index object
CBlockIndex* pindexNew = insertBlockIndex(diskindex.GetBlockHash());
pindexNew->pprev = insertBlockIndex(diskindex.hashPrev);
pindexNew->nHeight = diskindex.nHeight;
pindexNew->nFile = diskindex.nFile;
pindexNew->nDataPos = diskindex.nDataPos;
pindexNew->nUndoPos = diskindex.nUndoPos;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
pindexNew->nStatus = diskindex.nStatus;
pindexNew->nTx = diskindex.nTx;
pcursor->Next();
} else {
return error("LoadBlockIndex() : failed to read value");
}
} else {
break;
}
}
return true;
}
bool CBlockTreeDB::ReadAddrIndex(uint160 addrid, std::vector<CExtDiskTxPos> &list) {
boost::scoped_ptr<CDBIterator> pcursor(NewIterator());
uint64_t lookupid;
{
CHashWriter ss(SER_GETHASH, 0);
ss << salt;
ss << addrid;
lookupid = UintToArith256(ss.GetHash()).GetLow64();
}
pcursor->Seek(std::make_pair('a', lookupid));
while (pcursor->Valid()) {
std::pair<std::pair<char, uint64_t>, CExtDiskTxPos> key;
if (pcursor->GetKey(key) && key.first.first == 'a' && key.first.second == lookupid) {
list.push_back(key.second);
} else {
break;
}
pcursor->Next();
}
return true;
}
