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-rw-r--r--src/txdb.cpp90
1 files changed, 50 insertions, 40 deletions
diff --git a/src/txdb.cpp b/src/txdb.cpp
index 0731d843f..da271bd5d 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -1,6 +1,6 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2014 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
+// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "txdb.h"
@@ -14,32 +14,43 @@
using namespace std;
+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_FLAG = 'F';
+static const char DB_REINDEX_FLAG = 'R';
+static const char DB_LAST_BLOCK = 'l';
+
+
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);
}
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "chainstate", nCacheSize, fMemory, fWipe) {
}
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))
- return uint256(0);
+ if (!db.Read(DB_BEST_BLOCK, hashBestChain))
+ return uint256();
return hashBestChain;
}
@@ -56,7 +67,7 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
CCoinsMap::iterator itOld = it++;
mapCoins.erase(itOld);
}
- if (hashBlock != uint256(0))
+ if (!hashBlock.IsNull())
BatchWriteHashBestChain(batch, hashBlock);
LogPrint("coindb", "Committing %u changed transactions (out of %u) to coin database...\n", (unsigned int)changed, (unsigned int)count);
@@ -66,37 +77,24 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CLevelDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) {
}
-bool CBlockTreeDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
-{
- return Write(make_pair('b', blockindex.GetBlockHash()), blockindex);
-}
-
-bool CBlockTreeDB::WriteBlockFileInfo(int nFile, const CBlockFileInfo &info) {
- return Write(make_pair('f', nFile), info);
-}
-
bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) {
- return Read(make_pair('f', nFile), info);
-}
-
-bool CBlockTreeDB::WriteLastBlockFile(int nFile) {
- return Write('l', nFile);
+ 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 {
@@ -117,7 +115,7 @@ 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;
@@ -142,8 +140,8 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
ss << VARINT(0);
}
pcursor->Next();
- } catch (std::exception &e) {
- return error("%s : Deserialize or I/O error - %s", __func__, e.what());
+ } catch (const std::exception& e) {
+ return error("%s: Deserialize or I/O error - %s", __func__, e.what());
}
}
stats.nHeight = mapBlockIndex.find(GetBestBlock())->second->nHeight;
@@ -152,24 +150,36 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
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(DB_BLOCK_FILES, it->first), *it->second);
+ }
+ batch.Write(DB_LAST_BLOCK, nLastFile);
+ for (std::vector<const CBlockIndex*>::const_iterator it=blockinfo.begin(); it != blockinfo.end(); 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;
@@ -180,7 +190,7 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
CDataStream ssKeySet(SER_DISK, CLIENT_VERSION);
- ssKeySet << make_pair('b', uint256(0));
+ ssKeySet << make_pair(DB_BLOCK_INDEX, uint256());
pcursor->Seek(ssKeySet.str());
// Load mapBlockIndex
@@ -191,7 +201,7 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
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;
@@ -213,14 +223,14 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
pindexNew->nTx = diskindex.nTx;
if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits))
- return error("LoadBlockIndex() : CheckProofOfWork failed: %s", pindexNew->ToString());
+ return error("LoadBlockIndex(): CheckProofOfWork failed: %s", pindexNew->ToString());
pcursor->Next();
} else {
break; // if shutdown requested or finished loading block index
}
- } catch (std::exception &e) {
- return error("%s : Deserialize or I/O error - %s", __func__, e.what());
+ } catch (const std::exception& e) {
+ return error("%s: Deserialize or I/O error - %s", __func__, e.what());
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-25 22:37:24 +0000