#include "txdb.h"
+#include "chainparams.h"
+#include "hash.h"
+#include "main.h"
#include "pow.h"
#include "uint256.h"
using namespace std;
+static const char DB_ANCHOR = 'A';
+static const char DB_NULLIFIER = 's';
+static const char DB_COINS = 'c';
+static const char DB_BLOCK_FILES = 'f';
+static const char DB_TXINDEX = 't';
+static const char DB_BLOCK_INDEX = 'b';
+
+static const char DB_BEST_BLOCK = 'B';
+static const char DB_BEST_ANCHOR = 'a';
+static const char DB_FLAG = 'F';
+static const char DB_REINDEX_FLAG = 'R';
+static const char DB_LAST_BLOCK = 'l';
+
+
+void static BatchWriteAnchor(CLevelDBBatch &batch,
+ const uint256 &croot,
+ const ZCIncrementalMerkleTree &tree,
+ const bool &entered)
+{
+ if (!entered)
+ batch.Erase(make_pair(DB_ANCHOR, croot));
+ else {
+ batch.Write(make_pair(DB_ANCHOR, croot), tree);
+ }
+}
+
+void static BatchWriteNullifier(CLevelDBBatch &batch, const uint256 &nf, const bool &entered) {
+ if (!entered)
+ batch.Erase(make_pair(DB_NULLIFIER, nf));
+ else
+ batch.Write(make_pair(DB_NULLIFIER, nf), true);
+}
+
void static BatchWriteCoins(CLevelDBBatch &batch, const uint256 &hash, const CCoins &coins) {
if (coins.IsPruned())
- batch.Erase(make_pair('c', hash));
+ batch.Erase(make_pair(DB_COINS, hash));
else
- batch.Write(make_pair('c', hash), coins);
+ batch.Write(make_pair(DB_COINS, hash), coins);
}
void static BatchWriteHashBestChain(CLevelDBBatch &batch, const uint256 &hash) {
- batch.Write('B', hash);
+ batch.Write(DB_BEST_BLOCK, hash);
+}
+
+void static BatchWriteHashBestAnchor(CLevelDBBatch &batch, const uint256 &hash) {
+ batch.Write(DB_BEST_ANCHOR, hash);
+}
+
+CCoinsViewDB::CCoinsViewDB(std::string dbName, size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / dbName, nCacheSize, fMemory, fWipe) {
}
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "chainstate", nCacheSize, fMemory, fWipe) {
}
+
+bool CCoinsViewDB::GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const {
+ if (rt == ZCIncrementalMerkleTree::empty_root()) {
+ ZCIncrementalMerkleTree new_tree;
+ tree = new_tree;
+ return true;
+ }
+
+ bool read = db.Read(make_pair(DB_ANCHOR, rt), tree);
+
+ return read;
+}
+
+bool CCoinsViewDB::GetNullifier(const uint256 &nf) const {
+ bool spent = false;
+ bool read = db.Read(make_pair(DB_NULLIFIER, nf), spent);
+
+ return read;
+}
+
bool CCoinsViewDB::GetCoins(const uint256 &txid, CCoins &coins) const {
- return db.Read(make_pair('c', txid), coins);
+ return db.Read(make_pair(DB_COINS, txid), coins);
}
bool CCoinsViewDB::HaveCoins(const uint256 &txid) const {
- return db.Exists(make_pair('c', txid));
+ return db.Exists(make_pair(DB_COINS, txid));
}
uint256 CCoinsViewDB::GetBestBlock() const {
uint256 hashBestChain;
- if (!db.Read('B', hashBestChain))
+ if (!db.Read(DB_BEST_BLOCK, hashBestChain))
return uint256();
return hashBestChain;
}
-bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
+uint256 CCoinsViewDB::GetBestAnchor() const {
+ uint256 hashBestAnchor;
+ if (!db.Read(DB_BEST_ANCHOR, hashBestAnchor))
+ return ZCIncrementalMerkleTree::empty_root();
+ return hashBestAnchor;
+}
+
+bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
+ const uint256 &hashBlock,
+ const uint256 &hashAnchor,
+ CAnchorsMap &mapAnchors,
+ CNullifiersMap &mapNullifiers) {
CLevelDBBatch batch;
size_t count = 0;
size_t changed = 0;
CCoinsMap::iterator itOld = it++;
mapCoins.erase(itOld);
}
+
+ for (CAnchorsMap::iterator it = mapAnchors.begin(); it != mapAnchors.end();) {
+ if (it->second.flags & CAnchorsCacheEntry::DIRTY) {
+ BatchWriteAnchor(batch, it->first, it->second.tree, it->second.entered);
+ // TODO: changed++?
+ }
+ CAnchorsMap::iterator itOld = it++;
+ mapAnchors.erase(itOld);
+ }
+
+ for (CNullifiersMap::iterator it = mapNullifiers.begin(); it != mapNullifiers.end();) {
+ if (it->second.flags & CNullifiersCacheEntry::DIRTY) {
+ BatchWriteNullifier(batch, it->first, it->second.entered);
+ // TODO: changed++?
+ }
+ CNullifiersMap::iterator itOld = it++;
+ mapNullifiers.erase(itOld);
+ }
+
if (!hashBlock.IsNull())
BatchWriteHashBestChain(batch, hashBlock);
+ if (!hashAnchor.IsNull())
+ BatchWriteHashBestAnchor(batch, hashAnchor);
LogPrint("coindb", "Committing %u changed transactions (out of %u) to coin database...\n", (unsigned int)changed, (unsigned int)count);
return db.WriteBatch(batch);
}
bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) {
- return Read(make_pair('f', nFile), info);
+ return Read(make_pair(DB_BLOCK_FILES, nFile), info);
}
bool CBlockTreeDB::WriteReindexing(bool fReindexing) {
if (fReindexing)
- return Write('R', '1');
+ return Write(DB_REINDEX_FLAG, '1');
else
- return Erase('R');
+ return Erase(DB_REINDEX_FLAG);
}
bool CBlockTreeDB::ReadReindexing(bool &fReindexing) {
- fReindexing = Exists('R');
+ fReindexing = Exists(DB_REINDEX_FLAG);
return true;
}
bool CBlockTreeDB::ReadLastBlockFile(int &nFile) {
- return Read('l', nFile);
+ return Read(DB_LAST_BLOCK, nFile);
}
bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
char chType;
ssKey >> chType;
- if (chType == 'c') {
+ if (chType == DB_COINS) {
leveldb::Slice slValue = pcursor->value();
CDataStream ssValue(slValue.data(), slValue.data()+slValue.size(), SER_DISK, CLIENT_VERSION);
CCoins coins;
}
pcursor->Next();
} catch (const std::exception& e) {
- return error("%s : Deserialize or I/O error - %s", __func__, e.what());
+ return error("%s: Deserialize or I/O error - %s", __func__, e.what());
}
}
- stats.nHeight = mapBlockIndex.find(GetBestBlock())->second->nHeight;
+ {
+ LOCK(cs_main);
+ stats.nHeight = mapBlockIndex.find(stats.hashBlock)->second->nHeight;
+ }
stats.hashSerialized = ss.GetHash();
stats.nTotalAmount = nTotalAmount;
return true;
bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo) {
CLevelDBBatch batch;
for (std::vector<std::pair<int, const CBlockFileInfo*> >::const_iterator it=fileInfo.begin(); it != fileInfo.end(); it++) {
- batch.Write(make_pair('f', it->first), *it->second);
+ batch.Write(make_pair(DB_BLOCK_FILES, it->first), *it->second);
}
- batch.Write('l', nLastFile);
+ batch.Write(DB_LAST_BLOCK, nLastFile);
for (std::vector<const CBlockIndex*>::const_iterator it=blockinfo.begin(); it != blockinfo.end(); it++) {
- batch.Write(make_pair('b', (*it)->GetBlockHash()), CDiskBlockIndex(*it));
+ batch.Write(make_pair(DB_BLOCK_INDEX, (*it)->GetBlockHash()), CDiskBlockIndex(*it));
}
return WriteBatch(batch, true);
}
bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
- return Read(make_pair('t', txid), pos);
+ return Read(make_pair(DB_TXINDEX, txid), pos);
}
bool CBlockTreeDB::WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> >&vect) {
CLevelDBBatch batch;
for (std::vector<std::pair<uint256,CDiskTxPos> >::const_iterator it=vect.begin(); it!=vect.end(); it++)
- batch.Write(make_pair('t', it->first), it->second);
+ batch.Write(make_pair(DB_TXINDEX, it->first), it->second);
return WriteBatch(batch);
}
bool CBlockTreeDB::WriteFlag(const std::string &name, bool fValue) {
- return Write(std::make_pair('F', name), fValue ? '1' : '0');
+ return Write(std::make_pair(DB_FLAG, name), fValue ? '1' : '0');
}
bool CBlockTreeDB::ReadFlag(const std::string &name, bool &fValue) {
char ch;
- if (!Read(std::make_pair('F', name), ch))
+ if (!Read(std::make_pair(DB_FLAG, name), ch))
return false;
fValue = ch == '1';
return true;
boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
CDataStream ssKeySet(SER_DISK, CLIENT_VERSION);
- ssKeySet << make_pair('b', uint256());
+ ssKeySet << make_pair(DB_BLOCK_INDEX, uint256());
pcursor->Seek(ssKeySet.str());
// Load mapBlockIndex
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
char chType;
ssKey >> chType;
- if (chType == 'b') {
+ if (chType == DB_BLOCK_INDEX) {
leveldb::Slice slValue = pcursor->value();
CDataStream ssValue(slValue.data(), slValue.data()+slValue.size(), SER_DISK, CLIENT_VERSION);
CDiskBlockIndex diskindex;
pindexNew->nFile = diskindex.nFile;
pindexNew->nDataPos = diskindex.nDataPos;
pindexNew->nUndoPos = diskindex.nUndoPos;
+ pindexNew->hashAnchor = diskindex.hashAnchor;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
+ pindexNew->nSolution = diskindex.nSolution;
pindexNew->nStatus = diskindex.nStatus;
pindexNew->nTx = diskindex.nTx;
- if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits))
- return error("LoadBlockIndex() : CheckProofOfWork failed: %s", pindexNew->ToString());
+ if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits, Params().GetConsensus()))
+ return error("LoadBlockIndex(): CheckProofOfWork failed: %s", pindexNew->ToString());
pcursor->Next();
} else {
break; // if shutdown requested or finished loading block index
}
} catch (const std::exception& e) {
- return error("%s : Deserialize or I/O error - %s", __func__, e.what());
+ return error("%s: Deserialize or I/O error - %s", __func__, e.what());
}
}