0184604aaf
-- version 0.2.5 git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@69 1a98c847-1fd6-4fd8-948a-caf3550aa51b
738 lines
21 KiB
C++
738 lines
21 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#include "headers.h"
|
|
|
|
void ThreadFlushWalletDB(void* parg);
|
|
|
|
|
|
unsigned int nWalletDBUpdated;
|
|
|
|
|
|
|
|
|
|
//
|
|
// CDB
|
|
//
|
|
|
|
static CCriticalSection cs_db;
|
|
static bool fDbEnvInit = false;
|
|
DbEnv dbenv(0);
|
|
static map<string, int> mapFileUseCount;
|
|
static map<string, Db*> mapDb;
|
|
|
|
class CDBInit
|
|
{
|
|
public:
|
|
CDBInit()
|
|
{
|
|
}
|
|
~CDBInit()
|
|
{
|
|
if (fDbEnvInit)
|
|
{
|
|
dbenv.close(0);
|
|
fDbEnvInit = false;
|
|
}
|
|
}
|
|
}
|
|
instance_of_cdbinit;
|
|
|
|
|
|
CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
|
|
{
|
|
int ret;
|
|
if (pszFile == NULL)
|
|
return;
|
|
|
|
fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
|
|
bool fCreate = strchr(pszMode, 'c');
|
|
unsigned int nFlags = DB_THREAD;
|
|
if (fCreate)
|
|
nFlags |= DB_CREATE;
|
|
|
|
CRITICAL_BLOCK(cs_db)
|
|
{
|
|
if (!fDbEnvInit)
|
|
{
|
|
if (fShutdown)
|
|
return;
|
|
string strDataDir = GetDataDir();
|
|
string strLogDir = strDataDir + "/database";
|
|
_mkdir(strLogDir.c_str());
|
|
string strErrorFile = strDataDir + "/db.log";
|
|
printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
|
|
|
|
dbenv.set_lg_dir(strLogDir.c_str());
|
|
dbenv.set_lg_max(10000000);
|
|
dbenv.set_lk_max_locks(10000);
|
|
dbenv.set_lk_max_objects(10000);
|
|
dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
|
|
dbenv.set_flags(DB_AUTO_COMMIT, 1);
|
|
ret = dbenv.open(strDataDir.c_str(),
|
|
DB_CREATE |
|
|
DB_INIT_LOCK |
|
|
DB_INIT_LOG |
|
|
DB_INIT_MPOOL |
|
|
DB_INIT_TXN |
|
|
DB_THREAD |
|
|
DB_PRIVATE |
|
|
DB_RECOVER,
|
|
S_IRUSR | S_IWUSR);
|
|
if (ret > 0)
|
|
throw runtime_error(strprintf("CDB() : error %d opening database environment\n", ret));
|
|
fDbEnvInit = true;
|
|
}
|
|
|
|
strFile = pszFile;
|
|
++mapFileUseCount[strFile];
|
|
pdb = mapDb[strFile];
|
|
if (pdb == NULL)
|
|
{
|
|
pdb = new Db(&dbenv, 0);
|
|
|
|
ret = pdb->open(NULL, // Txn pointer
|
|
pszFile, // Filename
|
|
"main", // Logical db name
|
|
DB_BTREE, // Database type
|
|
nFlags, // Flags
|
|
0);
|
|
|
|
if (ret > 0)
|
|
{
|
|
delete pdb;
|
|
pdb = NULL;
|
|
CRITICAL_BLOCK(cs_db)
|
|
--mapFileUseCount[strFile];
|
|
strFile = "";
|
|
throw runtime_error(strprintf("CDB() : can't open database file %s, error %d\n", pszFile, ret));
|
|
}
|
|
|
|
if (fCreate && !Exists(string("version")))
|
|
{
|
|
bool fTmp = fReadOnly;
|
|
fReadOnly = false;
|
|
WriteVersion(VERSION);
|
|
fReadOnly = fTmp;
|
|
}
|
|
|
|
mapDb[strFile] = pdb;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CDB::Close()
|
|
{
|
|
if (!pdb)
|
|
return;
|
|
if (!vTxn.empty())
|
|
vTxn.front()->abort();
|
|
vTxn.clear();
|
|
pdb = NULL;
|
|
dbenv.txn_checkpoint(0, 0, 0);
|
|
|
|
CRITICAL_BLOCK(cs_db)
|
|
--mapFileUseCount[strFile];
|
|
}
|
|
|
|
void CloseDb(const string& strFile)
|
|
{
|
|
CRITICAL_BLOCK(cs_db)
|
|
{
|
|
if (mapDb[strFile] != NULL)
|
|
{
|
|
// Close the database handle
|
|
Db* pdb = mapDb[strFile];
|
|
pdb->close(0);
|
|
delete pdb;
|
|
mapDb[strFile] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DBFlush(bool fShutdown)
|
|
{
|
|
// Flush log data to the actual data file
|
|
// on all files that are not in use
|
|
printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
|
|
if (!fDbEnvInit)
|
|
return;
|
|
CRITICAL_BLOCK(cs_db)
|
|
{
|
|
map<string, int>::iterator mi = mapFileUseCount.begin();
|
|
while (mi != mapFileUseCount.end())
|
|
{
|
|
string strFile = (*mi).first;
|
|
int nRefCount = (*mi).second;
|
|
printf("%s refcount=%d\n", strFile.c_str(), nRefCount);
|
|
if (nRefCount == 0)
|
|
{
|
|
// Move log data to the dat file
|
|
CloseDb(strFile);
|
|
dbenv.txn_checkpoint(0, 0, 0);
|
|
printf("%s flush\n", strFile.c_str());
|
|
dbenv.lsn_reset(strFile.c_str(), 0);
|
|
mapFileUseCount.erase(mi++);
|
|
}
|
|
else
|
|
mi++;
|
|
}
|
|
if (fShutdown)
|
|
{
|
|
char** listp;
|
|
if (mapFileUseCount.empty())
|
|
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
|
|
dbenv.close(0);
|
|
fDbEnvInit = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
// CTxDB
|
|
//
|
|
|
|
bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex)
|
|
{
|
|
assert(!fClient);
|
|
txindex.SetNull();
|
|
return Read(make_pair(string("tx"), hash), txindex);
|
|
}
|
|
|
|
bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
|
|
{
|
|
assert(!fClient);
|
|
return Write(make_pair(string("tx"), hash), txindex);
|
|
}
|
|
|
|
bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeight)
|
|
{
|
|
assert(!fClient);
|
|
|
|
// Add to tx index
|
|
uint256 hash = tx.GetHash();
|
|
CTxIndex txindex(pos, tx.vout.size());
|
|
return Write(make_pair(string("tx"), hash), txindex);
|
|
}
|
|
|
|
bool CTxDB::EraseTxIndex(const CTransaction& tx)
|
|
{
|
|
assert(!fClient);
|
|
uint256 hash = tx.GetHash();
|
|
|
|
return Erase(make_pair(string("tx"), hash));
|
|
}
|
|
|
|
bool CTxDB::ContainsTx(uint256 hash)
|
|
{
|
|
assert(!fClient);
|
|
return Exists(make_pair(string("tx"), hash));
|
|
}
|
|
|
|
bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector<CTransaction>& vtx)
|
|
{
|
|
assert(!fClient);
|
|
vtx.clear();
|
|
|
|
// Get cursor
|
|
Dbc* pcursor = GetCursor();
|
|
if (!pcursor)
|
|
return false;
|
|
|
|
unsigned int fFlags = DB_SET_RANGE;
|
|
loop
|
|
{
|
|
// Read next record
|
|
CDataStream ssKey;
|
|
if (fFlags == DB_SET_RANGE)
|
|
ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0);
|
|
CDataStream ssValue;
|
|
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
|
|
fFlags = DB_NEXT;
|
|
if (ret == DB_NOTFOUND)
|
|
break;
|
|
else if (ret != 0)
|
|
{
|
|
pcursor->close();
|
|
return false;
|
|
}
|
|
|
|
// Unserialize
|
|
string strType;
|
|
uint160 hashItem;
|
|
CDiskTxPos pos;
|
|
ssKey >> strType >> hashItem >> pos;
|
|
int nItemHeight;
|
|
ssValue >> nItemHeight;
|
|
|
|
// Read transaction
|
|
if (strType != "owner" || hashItem != hash160)
|
|
break;
|
|
if (nItemHeight >= nMinHeight)
|
|
{
|
|
vtx.resize(vtx.size()+1);
|
|
if (!vtx.back().ReadFromDisk(pos))
|
|
{
|
|
pcursor->close();
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
pcursor->close();
|
|
return true;
|
|
}
|
|
|
|
bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex)
|
|
{
|
|
assert(!fClient);
|
|
tx.SetNull();
|
|
if (!ReadTxIndex(hash, txindex))
|
|
return false;
|
|
return (tx.ReadFromDisk(txindex.pos));
|
|
}
|
|
|
|
bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx)
|
|
{
|
|
CTxIndex txindex;
|
|
return ReadDiskTx(hash, tx, txindex);
|
|
}
|
|
|
|
bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx, CTxIndex& txindex)
|
|
{
|
|
return ReadDiskTx(outpoint.hash, tx, txindex);
|
|
}
|
|
|
|
bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx)
|
|
{
|
|
CTxIndex txindex;
|
|
return ReadDiskTx(outpoint.hash, tx, txindex);
|
|
}
|
|
|
|
bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
|
|
{
|
|
return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex);
|
|
}
|
|
|
|
bool CTxDB::EraseBlockIndex(uint256 hash)
|
|
{
|
|
return Erase(make_pair(string("blockindex"), hash));
|
|
}
|
|
|
|
bool CTxDB::ReadHashBestChain(uint256& hashBestChain)
|
|
{
|
|
return Read(string("hashBestChain"), hashBestChain);
|
|
}
|
|
|
|
bool CTxDB::WriteHashBestChain(uint256 hashBestChain)
|
|
{
|
|
return Write(string("hashBestChain"), hashBestChain);
|
|
}
|
|
|
|
CBlockIndex* InsertBlockIndex(uint256 hash)
|
|
{
|
|
if (hash == 0)
|
|
return NULL;
|
|
|
|
// Return existing
|
|
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
|
|
if (mi != mapBlockIndex.end())
|
|
return (*mi).second;
|
|
|
|
// Create new
|
|
CBlockIndex* pindexNew = new CBlockIndex();
|
|
if (!pindexNew)
|
|
throw runtime_error("LoadBlockIndex() : new CBlockIndex failed");
|
|
mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first;
|
|
pindexNew->phashBlock = &((*mi).first);
|
|
|
|
return pindexNew;
|
|
}
|
|
|
|
bool CTxDB::LoadBlockIndex()
|
|
{
|
|
// Get cursor
|
|
Dbc* pcursor = GetCursor();
|
|
if (!pcursor)
|
|
return false;
|
|
|
|
unsigned int fFlags = DB_SET_RANGE;
|
|
loop
|
|
{
|
|
// Read next record
|
|
CDataStream ssKey;
|
|
if (fFlags == DB_SET_RANGE)
|
|
ssKey << make_pair(string("blockindex"), uint256(0));
|
|
CDataStream ssValue;
|
|
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
|
|
fFlags = DB_NEXT;
|
|
if (ret == DB_NOTFOUND)
|
|
break;
|
|
else if (ret != 0)
|
|
return false;
|
|
|
|
// Unserialize
|
|
string strType;
|
|
ssKey >> strType;
|
|
if (strType == "blockindex")
|
|
{
|
|
CDiskBlockIndex diskindex;
|
|
ssValue >> diskindex;
|
|
|
|
// Construct block index object
|
|
CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
|
|
pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
|
|
pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
|
|
pindexNew->nFile = diskindex.nFile;
|
|
pindexNew->nBlockPos = diskindex.nBlockPos;
|
|
pindexNew->nHeight = diskindex.nHeight;
|
|
pindexNew->nVersion = diskindex.nVersion;
|
|
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
|
|
pindexNew->nTime = diskindex.nTime;
|
|
pindexNew->nBits = diskindex.nBits;
|
|
pindexNew->nNonce = diskindex.nNonce;
|
|
|
|
// Watch for genesis block and best block
|
|
if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
|
|
pindexGenesisBlock = pindexNew;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
pcursor->close();
|
|
|
|
if (!ReadHashBestChain(hashBestChain))
|
|
{
|
|
if (pindexGenesisBlock == NULL)
|
|
return true;
|
|
return error("CTxDB::LoadBlockIndex() : hashBestChain not found");
|
|
}
|
|
|
|
if (!mapBlockIndex.count(hashBestChain))
|
|
return error("CTxDB::LoadBlockIndex() : blockindex for hashBestChain not found");
|
|
pindexBest = mapBlockIndex[hashBestChain];
|
|
nBestHeight = pindexBest->nHeight;
|
|
printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
// CAddrDB
|
|
//
|
|
|
|
bool CAddrDB::WriteAddress(const CAddress& addr)
|
|
{
|
|
return Write(make_pair(string("addr"), addr.GetKey()), addr);
|
|
}
|
|
|
|
bool CAddrDB::LoadAddresses()
|
|
{
|
|
CRITICAL_BLOCK(cs_mapAddresses)
|
|
{
|
|
// Load user provided addresses
|
|
CAutoFile filein = fopen((GetDataDir() + "/addr.txt").c_str(), "rt");
|
|
if (filein)
|
|
{
|
|
try
|
|
{
|
|
char psz[1000];
|
|
while (fgets(psz, sizeof(psz), filein))
|
|
{
|
|
CAddress addr(psz, NODE_NETWORK);
|
|
addr.nTime = 0; // so it won't relay unless successfully connected
|
|
if (addr.IsValid())
|
|
AddAddress(addr);
|
|
}
|
|
}
|
|
catch (...) { }
|
|
}
|
|
|
|
// Get cursor
|
|
Dbc* pcursor = GetCursor();
|
|
if (!pcursor)
|
|
return false;
|
|
|
|
loop
|
|
{
|
|
// Read next record
|
|
CDataStream ssKey;
|
|
CDataStream ssValue;
|
|
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
|
|
if (ret == DB_NOTFOUND)
|
|
break;
|
|
else if (ret != 0)
|
|
return false;
|
|
|
|
// Unserialize
|
|
string strType;
|
|
ssKey >> strType;
|
|
if (strType == "addr")
|
|
{
|
|
CAddress addr;
|
|
ssValue >> addr;
|
|
mapAddresses.insert(make_pair(addr.GetKey(), addr));
|
|
}
|
|
}
|
|
pcursor->close();
|
|
|
|
printf("Loaded %d addresses\n", mapAddresses.size());
|
|
|
|
// Fix for possible bug that manifests in mapAddresses.count in irc.cpp,
|
|
// just need to call count here and it doesn't happen there. The bug was the
|
|
// pack pragma in irc.cpp and has been fixed, but I'm not in a hurry to delete this.
|
|
mapAddresses.count(vector<unsigned char>(18));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool LoadAddresses()
|
|
{
|
|
return CAddrDB("cr+").LoadAddresses();
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// CWalletDB
|
|
//
|
|
|
|
bool CWalletDB::LoadWallet(vector<unsigned char>& vchDefaultKeyRet)
|
|
{
|
|
vchDefaultKeyRet.clear();
|
|
int nFileVersion = 0;
|
|
|
|
// Modify defaults
|
|
#ifndef __WXMSW__
|
|
// Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program
|
|
fMinimizeToTray = false;
|
|
fMinimizeOnClose = false;
|
|
#endif
|
|
|
|
//// todo: shouldn't we catch exceptions and try to recover and continue?
|
|
CRITICAL_BLOCK(cs_mapKeys)
|
|
CRITICAL_BLOCK(cs_mapWallet)
|
|
{
|
|
// Get cursor
|
|
Dbc* pcursor = GetCursor();
|
|
if (!pcursor)
|
|
return false;
|
|
|
|
loop
|
|
{
|
|
// Read next record
|
|
CDataStream ssKey;
|
|
CDataStream ssValue;
|
|
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
|
|
if (ret == DB_NOTFOUND)
|
|
break;
|
|
else if (ret != 0)
|
|
return false;
|
|
|
|
// Unserialize
|
|
// Taking advantage of the fact that pair serialization
|
|
// is just the two items serialized one after the other
|
|
string strType;
|
|
ssKey >> strType;
|
|
if (strType == "name")
|
|
{
|
|
string strAddress;
|
|
ssKey >> strAddress;
|
|
ssValue >> mapAddressBook[strAddress];
|
|
}
|
|
else if (strType == "tx")
|
|
{
|
|
uint256 hash;
|
|
ssKey >> hash;
|
|
CWalletTx& wtx = mapWallet[hash];
|
|
ssValue >> wtx;
|
|
|
|
if (wtx.GetHash() != hash)
|
|
printf("Error in wallet.dat, hash mismatch\n");
|
|
|
|
//// debug print
|
|
//printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
|
|
//printf(" %12I64d %s %s %s\n",
|
|
// wtx.vout[0].nValue,
|
|
// DateTimeStrFormat("%x %H:%M:%S", wtx.nTime).c_str(),
|
|
// wtx.hashBlock.ToString().substr(0,16).c_str(),
|
|
// wtx.mapValue["message"].c_str());
|
|
}
|
|
else if (strType == "key" || strType == "wkey")
|
|
{
|
|
vector<unsigned char> vchPubKey;
|
|
ssKey >> vchPubKey;
|
|
CWalletKey wkey;
|
|
if (strType == "key")
|
|
ssValue >> wkey.vchPrivKey;
|
|
else
|
|
ssValue >> wkey;
|
|
|
|
mapKeys[vchPubKey] = wkey.vchPrivKey;
|
|
mapPubKeys[Hash160(vchPubKey)] = vchPubKey;
|
|
}
|
|
else if (strType == "defaultkey")
|
|
{
|
|
ssValue >> vchDefaultKeyRet;
|
|
}
|
|
else if (strType == "version")
|
|
{
|
|
ssValue >> nFileVersion;
|
|
}
|
|
else if (strType == "setting")
|
|
{
|
|
string strKey;
|
|
ssKey >> strKey;
|
|
|
|
// Menu state
|
|
if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
|
|
|
|
// Options
|
|
if (strKey == "nTransactionFee") ssValue >> nTransactionFee;
|
|
if (strKey == "addrIncoming") ssValue >> addrIncoming;
|
|
if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors;
|
|
if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors;
|
|
if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray;
|
|
if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose;
|
|
if (strKey == "fUseProxy") ssValue >> fUseProxy;
|
|
if (strKey == "addrProxy") ssValue >> addrProxy;
|
|
|
|
}
|
|
}
|
|
pcursor->close();
|
|
}
|
|
|
|
printf("nFileVersion = %d\n", nFileVersion);
|
|
printf("fGenerateBitcoins = %d\n", fGenerateBitcoins);
|
|
printf("nTransactionFee = %"PRI64d"\n", nTransactionFee);
|
|
printf("addrIncoming = %s\n", addrIncoming.ToString().c_str());
|
|
printf("fMinimizeToTray = %d\n", fMinimizeToTray);
|
|
printf("fMinimizeOnClose = %d\n", fMinimizeOnClose);
|
|
printf("fUseProxy = %d\n", fUseProxy);
|
|
printf("addrProxy = %s\n", addrProxy.ToString().c_str());
|
|
|
|
|
|
// The transaction fee setting won't be needed for many years to come.
|
|
// Setting it to zero here in case they set it to something in an earlier version.
|
|
if (nTransactionFee != 0)
|
|
{
|
|
nTransactionFee = 0;
|
|
WriteSetting("nTransactionFee", nTransactionFee);
|
|
}
|
|
|
|
// Upgrade
|
|
if (nFileVersion < VERSION)
|
|
{
|
|
// Get rid of old debug.log file in current directory
|
|
if (nFileVersion <= 105 && !pszSetDataDir[0])
|
|
unlink("debug.log");
|
|
|
|
WriteVersion(VERSION);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool LoadWallet(bool& fFirstRunRet)
|
|
{
|
|
fFirstRunRet = false;
|
|
vector<unsigned char> vchDefaultKey;
|
|
if (!CWalletDB("cr+").LoadWallet(vchDefaultKey))
|
|
return false;
|
|
fFirstRunRet = vchDefaultKey.empty();
|
|
|
|
if (mapKeys.count(vchDefaultKey))
|
|
{
|
|
// Set keyUser
|
|
keyUser.SetPubKey(vchDefaultKey);
|
|
keyUser.SetPrivKey(mapKeys[vchDefaultKey]);
|
|
}
|
|
else
|
|
{
|
|
// Create new keyUser and set as default key
|
|
RandAddSeedPerfmon();
|
|
keyUser.MakeNewKey();
|
|
if (!AddKey(keyUser))
|
|
return false;
|
|
if (!SetAddressBookName(PubKeyToAddress(keyUser.GetPubKey()), "Your Address"))
|
|
return false;
|
|
CWalletDB().WriteDefaultKey(keyUser.GetPubKey());
|
|
}
|
|
|
|
CreateThread(ThreadFlushWalletDB, NULL);
|
|
return true;
|
|
}
|
|
|
|
void ThreadFlushWalletDB(void* parg)
|
|
{
|
|
static bool fOneThread;
|
|
if (fOneThread)
|
|
return;
|
|
fOneThread = true;
|
|
if (mapArgs.count("-noflushwallet"))
|
|
return;
|
|
|
|
unsigned int nLastSeen = nWalletDBUpdated;
|
|
unsigned int nLastFlushed = nWalletDBUpdated;
|
|
int64 nLastWalletUpdate = GetTime();
|
|
while (!fShutdown)
|
|
{
|
|
Sleep(500);
|
|
|
|
if (nLastSeen != nWalletDBUpdated)
|
|
{
|
|
nLastSeen = nWalletDBUpdated;
|
|
nLastWalletUpdate = GetTime();
|
|
}
|
|
|
|
if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
|
|
{
|
|
TRY_CRITICAL_BLOCK(cs_db)
|
|
{
|
|
// Don't do this if any databases are in use
|
|
int nRefCount = 0;
|
|
map<string, int>::iterator mi = mapFileUseCount.begin();
|
|
while (mi != mapFileUseCount.end())
|
|
{
|
|
nRefCount += (*mi).second;
|
|
mi++;
|
|
}
|
|
|
|
if (nRefCount == 0 && !fShutdown)
|
|
{
|
|
string strFile = "wallet.dat";
|
|
map<string, int>::iterator mi = mapFileUseCount.find(strFile);
|
|
if (mi != mapFileUseCount.end())
|
|
{
|
|
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
|
|
printf("Flushing wallet.dat\n");
|
|
nLastFlushed = nWalletDBUpdated;
|
|
int64 nStart = GetTimeMillis();
|
|
|
|
// Flush wallet.dat so it's self contained
|
|
CloseDb(strFile);
|
|
dbenv.txn_checkpoint(0, 0, 0);
|
|
dbenv.lsn_reset(strFile.c_str(), 0);
|
|
|
|
mapFileUseCount.erase(mi++);
|
|
printf("Flushed wallet.dat %"PRI64d"ms\n", GetTimeMillis() - nStart);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|