// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 The Bitcoin developers
// 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"
+#include "db.h"
+#include "net.h"
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
-void ThreadFlushWalletDB(void* parg);
+using namespace std;
+using namespace boost;
unsigned int nWalletDBUpdated;
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
+static void EnvShutdown()
+{
+ if (!fDbEnvInit)
+ return;
+
+ fDbEnvInit = false;
+ try
+ {
+ dbenv.close(0);
+ }
+ catch (const DbException& e)
+ {
+ printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno());
+ }
+ DbEnv(0).remove(GetDataDir().c_str(), 0);
+}
+
class CDBInit
{
public:
}
~CDBInit()
{
- if (fDbEnvInit)
- {
- dbenv.close(0);
- fDbEnvInit = false;
- }
+ EnvShutdown();
}
}
instance_of_cdbinit;
{
bool fTmp = fReadOnly;
fReadOnly = false;
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}
--mapFileUseCount[strFile];
}
-void CloseDb(const string& strFile)
+void static CloseDb(const string& strFile)
{
CRITICAL_BLOCK(cs_db)
{
}
}
+bool CDB::Rewrite(const string& strFile, const char* pszSkip)
+{
+ while (!fShutdown)
+ {
+ CRITICAL_BLOCK(cs_db)
+ {
+ if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
+ {
+ // Flush log data to the dat file
+ CloseDb(strFile);
+ dbenv.txn_checkpoint(0, 0, 0);
+ dbenv.lsn_reset(strFile.c_str(), 0);
+ mapFileUseCount.erase(strFile);
+
+ bool fSuccess = true;
+ printf("Rewriting %s...\n", strFile.c_str());
+ string strFileRes = strFile + ".rewrite";
+ { // surround usage of db with extra {}
+ CDB db(strFile.c_str(), "r");
+ Db* pdbCopy = new Db(&dbenv, 0);
+
+ int ret = pdbCopy->open(NULL, // Txn pointer
+ strFileRes.c_str(), // Filename
+ "main", // Logical db name
+ DB_BTREE, // Database type
+ DB_CREATE, // Flags
+ 0);
+ if (ret > 0)
+ {
+ printf("Cannot create database file %s\n", strFileRes.c_str());
+ fSuccess = false;
+ }
+
+ Dbc* pcursor = db.GetCursor();
+ if (pcursor)
+ while (fSuccess)
+ {
+ CDataStream ssKey;
+ CDataStream ssValue;
+ int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
+ if (ret == DB_NOTFOUND)
+ {
+ pcursor->close();
+ break;
+ }
+ else if (ret != 0)
+ {
+ pcursor->close();
+ fSuccess = false;
+ break;
+ }
+ if (pszSkip &&
+ strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
+ continue;
+ if (strncmp(&ssKey[0], "\x07version", 8) == 0)
+ {
+ // Update version:
+ ssValue.clear();
+ ssValue << CLIENT_VERSION;
+ }
+ Dbt datKey(&ssKey[0], ssKey.size());
+ Dbt datValue(&ssValue[0], ssValue.size());
+ int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
+ if (ret2 > 0)
+ fSuccess = false;
+ }
+ if (fSuccess)
+ {
+ db.Close();
+ CloseDb(strFile);
+ if (pdbCopy->close(0))
+ fSuccess = false;
+ delete pdbCopy;
+ }
+ }
+ if (fSuccess)
+ {
+ Db dbA(&dbenv, 0);
+ if (dbA.remove(strFile.c_str(), NULL, 0))
+ fSuccess = false;
+ Db dbB(&dbenv, 0);
+ if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
+ fSuccess = false;
+ }
+ if (!fSuccess)
+ printf("Rewriting of %s FAILED!\n", strFileRes.c_str());
+ return fSuccess;
+ }
+ }
+ Sleep(100);
+ }
+ return false;
+}
+
+
void DBFlush(bool fShutdown)
{
// Flush log data to the actual data file
{
char** listp;
if (mapFileUseCount.empty())
+ {
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
- dbenv.close(0);
- fDbEnvInit = false;
+ EnvShutdown();
+ }
}
}
}
return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
}
-CBlockIndex* InsertBlockIndex(uint256 hash)
+CBlockIndex static * InsertBlockIndex(uint256 hash)
{
if (hash == 0)
return NULL;
// Calculate bnChainWork
vector<pair<int, CBlockIndex*> > vSortedByHeight;
vSortedByHeight.reserve(mapBlockIndex.size());
- foreach(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
+ BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
{
CBlockIndex* pindex = item.second;
vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
}
sort(vSortedByHeight.begin(), vSortedByHeight.end());
- foreach(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
+ BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
{
CBlockIndex* pindex = item.second;
pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
{
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)
// CWalletDB
//
-static set<int64> setKeyPool;
-static CCriticalSection cs_setKeyPool;
+bool CWalletDB::WriteName(const string& strAddress, const string& strName)
+{
+ nWalletDBUpdated++;
+ return Write(make_pair(string("name"), strAddress), strName);
+}
+
+bool CWalletDB::EraseName(const string& strAddress)
+{
+ // This should only be used for sending addresses, never for receiving addresses,
+ // receiving addresses must always have an address book entry if they're not change return.
+ nWalletDBUpdated++;
+ return Erase(make_pair(string("name"), strAddress));
+}
bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account)
{
bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
{
- return Write(make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
+ return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
}
int64 CWalletDB::GetAccountCreditDebit(const string& strAccount)
ListAccountCreditDebit(strAccount, entries);
int64 nCreditDebit = 0;
- foreach (const CAccountingEntry& entry, entries)
+ BOOST_FOREACH (const CAccountingEntry& entry, entries)
nCreditDebit += entry.nCreditDebit;
return nCreditDebit;
void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
{
- int64 nCreditDebit = 0;
-
bool fAllAccounts = (strAccount == "*");
Dbc* pcursor = GetCursor();
// Read next record
CDataStream ssKey;
if (fFlags == DB_SET_RANGE)
- ssKey << make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
+ ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
}
-bool CWalletDB::LoadWallet()
+int CWalletDB::LoadWallet(CWallet* pwallet)
{
- vchDefaultKey.clear();
+ pwallet->vchDefaultKey.clear();
int nFileVersion = 0;
vector<uint256> vWalletUpgrade;
+ bool fIsEncrypted = false;
// Modify defaults
-#ifndef __WXMSW__
+#ifndef WIN32
// 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_mapWallet)
- CRITICAL_BLOCK(cs_mapKeys)
+ CRITICAL_BLOCK(pwallet->cs_wallet)
{
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
- return false;
+ return DB_CORRUPT;
loop
{
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
- return false;
+ return DB_CORRUPT;
// Unserialize
// Taking advantage of the fact that pair serialization
{
string strAddress;
ssKey >> strAddress;
- ssValue >> mapAddressBook[strAddress];
+ ssValue >> pwallet->mapAddressBook[strAddress];
}
else if (strType == "tx")
{
uint256 hash;
ssKey >> hash;
- CWalletTx& wtx = mapWallet[hash];
+ CWalletTx& wtx = pwallet->mapWallet[hash];
ssValue >> wtx;
+ wtx.pwallet = pwallet;
if (wtx.GetHash() != hash)
printf("Error in wallet.dat, hash mismatch\n");
{
vector<unsigned char> vchPubKey;
ssKey >> vchPubKey;
- CWalletKey wkey;
+ CKey key;
if (strType == "key")
- ssValue >> wkey.vchPrivKey;
+ {
+ CPrivKey pkey;
+ ssValue >> pkey;
+ key.SetPrivKey(pkey);
+ }
else
+ {
+ CWalletKey wkey;
ssValue >> wkey;
-
- mapKeys[vchPubKey] = wkey.vchPrivKey;
- mapPubKeys[Hash160(vchPubKey)] = vchPubKey;
+ key.SetPrivKey(wkey.vchPrivKey);
+ }
+ if (!pwallet->LoadKey(key))
+ return DB_CORRUPT;
+ }
+ else if (strType == "mkey")
+ {
+ unsigned int nID;
+ ssKey >> nID;
+ CMasterKey kMasterKey;
+ ssValue >> kMasterKey;
+ if(pwallet->mapMasterKeys.count(nID) != 0)
+ return DB_CORRUPT;
+ pwallet->mapMasterKeys[nID] = kMasterKey;
+ if (pwallet->nMasterKeyMaxID < nID)
+ pwallet->nMasterKeyMaxID = nID;
+ }
+ else if (strType == "ckey")
+ {
+ vector<unsigned char> vchPubKey;
+ ssKey >> vchPubKey;
+ vector<unsigned char> vchPrivKey;
+ ssValue >> vchPrivKey;
+ if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
+ return DB_CORRUPT;
+ fIsEncrypted = true;
}
else if (strType == "defaultkey")
{
- ssValue >> vchDefaultKey;
+ ssValue >> pwallet->vchDefaultKey;
}
else if (strType == "pool")
{
int64 nIndex;
ssKey >> nIndex;
- setKeyPool.insert(nIndex);
+ pwallet->setKeyPool.insert(nIndex);
}
else if (strType == "version")
{
ssKey >> strKey;
// Options
-#ifndef GUI
+#ifndef QT_GUI
if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
#endif
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 == "addrProxy") ssValue >> addrProxy;
if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP;
}
+ else if (strType == "minversion")
+ {
+ int nMinVersion = 0;
+ ssValue >> nMinVersion;
+ if (nMinVersion > CLIENT_VERSION)
+ return DB_TOO_NEW;
+ }
}
pcursor->close();
}
- foreach(uint256 hash, vWalletUpgrade)
- WriteTx(hash, mapWallet[hash]);
+ BOOST_FOREACH(uint256 hash, vWalletUpgrade)
+ WriteTx(hash, pwallet->mapWallet[hash]);
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("fUseUPnP = %d\n", fUseUPnP);
- // Upgrade
- if (nFileVersion < VERSION)
+ // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
+ if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000))
+ return DB_NEED_REWRITE;
+
+ if (nFileVersion < CLIENT_VERSION) // Update
{
// Get rid of old debug.log file in current directory
if (nFileVersion <= 105 && !pszSetDataDir[0])
unlink("debug.log");
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
}
-
- return true;
-}
-
-bool LoadWallet(bool& fFirstRunRet)
-{
- fFirstRunRet = false;
- if (!CWalletDB("cr+").LoadWallet())
- 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()), ""))
- return false;
- CWalletDB().WriteDefaultKey(keyUser.GetPubKey());
- }
-
- CreateThread(ThreadFlushWalletDB, NULL);
- return true;
+ return DB_LOAD_OK;
}
void ThreadFlushWalletDB(void* parg)
{
+ const string& strFile = ((const string*)parg)[0];
static bool fOneThread;
if (fOneThread)
return;
if (nRefCount == 0 && !fShutdown)
{
- string strFile = "wallet.dat";
map<string, int>::iterator mi = mapFileUseCount.find(strFile);
if (mi != mapFileUseCount.end())
{
}
}
-void BackupWallet(const string& strDest)
+bool BackupWallet(const CWallet& wallet, const string& strDest)
{
+ if (!wallet.fFileBacked)
+ return false;
while (!fShutdown)
{
CRITICAL_BLOCK(cs_db)
{
- const string strFile = "wallet.dat";
- if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
+ if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0)
{
// Flush log data to the dat file
- CloseDb(strFile);
+ CloseDb(wallet.strWalletFile);
dbenv.txn_checkpoint(0, 0, 0);
- dbenv.lsn_reset(strFile.c_str(), 0);
- mapFileUseCount.erase(strFile);
+ dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0);
+ mapFileUseCount.erase(wallet.strWalletFile);
// Copy wallet.dat
- filesystem::path pathSrc(GetDataDir() + "/" + strFile);
+ filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile);
filesystem::path pathDest(strDest);
if (filesystem::is_directory(pathDest))
- pathDest = pathDest / strFile;
+ pathDest = pathDest / wallet.strWalletFile;
#if BOOST_VERSION >= 104000
filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
#else
#endif
printf("copied wallet.dat to %s\n", pathDest.string().c_str());
- return;
+ return true;
}
}
Sleep(100);
}
-}
-
-
-void CWalletDB::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool)
-{
- nIndex = -1;
- keypool.vchPubKey.clear();
- CRITICAL_BLOCK(cs_main)
- CRITICAL_BLOCK(cs_mapWallet)
- CRITICAL_BLOCK(cs_setKeyPool)
- {
- // Top up key pool
- int64 nTargetSize = max(GetArg("-keypool", 100), (int64)0);
- while (setKeyPool.size() < nTargetSize+1)
- {
- int64 nEnd = 1;
- if (!setKeyPool.empty())
- nEnd = *(--setKeyPool.end()) + 1;
- if (!Write(make_pair(string("pool"), nEnd), CKeyPool(GenerateNewKey())))
- throw runtime_error("ReserveKeyFromKeyPool() : writing generated key failed");
- setKeyPool.insert(nEnd);
- printf("keypool added key %"PRI64d", size=%d\n", nEnd, setKeyPool.size());
- }
-
- // Get the oldest key
- assert(!setKeyPool.empty());
- nIndex = *(setKeyPool.begin());
- setKeyPool.erase(setKeyPool.begin());
- if (!Read(make_pair(string("pool"), nIndex), keypool))
- throw runtime_error("ReserveKeyFromKeyPool() : read failed");
- if (!mapKeys.count(keypool.vchPubKey))
- throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool");
- assert(!keypool.vchPubKey.empty());
- printf("keypool reserve %"PRI64d"\n", nIndex);
- }
-}
-
-void CWalletDB::KeepKey(int64 nIndex)
-{
- // Remove from key pool
- CRITICAL_BLOCK(cs_main)
- CRITICAL_BLOCK(cs_mapWallet)
- {
- Erase(make_pair(string("pool"), nIndex));
- }
- printf("keypool keep %"PRI64d"\n", nIndex);
-}
-
-void CWalletDB::ReturnKey(int64 nIndex)
-{
- // Return to key pool
- CRITICAL_BLOCK(cs_setKeyPool)
- setKeyPool.insert(nIndex);
- printf("keypool return %"PRI64d"\n", nIndex);
-}
-
-vector<unsigned char> GetKeyFromKeyPool()
-{
- CWalletDB walletdb;
- int64 nIndex = 0;
- CKeyPool keypool;
- walletdb.ReserveKeyFromKeyPool(nIndex, keypool);
- walletdb.KeepKey(nIndex);
- return keypool.vchPubKey;
-}
-
-int64 GetOldestKeyPoolTime()
-{
- CWalletDB walletdb;
- int64 nIndex = 0;
- CKeyPool keypool;
- walletdb.ReserveKeyFromKeyPool(nIndex, keypool);
- walletdb.ReturnKey(nIndex);
- return keypool.nTime;
+ return false;
}