File indexing completed on 2020-06-25 15:50:39
0001
0002
0003
0004
0005
0006 #include "headers.h"
0007 #include "db.h"
0008 #include "net.h"
0009 #include <boost/filesystem.hpp>
0010 #include <boost/filesystem/fstream.hpp>
0011
0012
0013
0014 using namespace std;
0015 using namespace boost;
0016
0017
0018 unsigned int nWalletDBUpdated;
0019 uint64 nAccountingEntryNumber = 0;
0020
0021
0022
0023
0024
0025
0026
0027 static CCriticalSection cs_db;
0028 static bool fDbEnvInit = false;
0029 DbEnv dbenv(0);
0030 static map<string, int> mapFileUseCount;
0031 static map<string, Db*> mapDb;
0032
0033 static void EnvShutdown()
0034 {
0035 if (!fDbEnvInit)
0036 return;
0037
0038 fDbEnvInit = false;
0039 try
0040 {
0041 dbenv.close(0);
0042 }
0043 catch (const DbException& e)
0044 {
0045 printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno());
0046 }
0047 DbEnv(0).remove(GetDataDir().c_str(), 0);
0048 }
0049
0050 class CDBInit
0051 {
0052 public:
0053 CDBInit()
0054 {
0055 }
0056 ~CDBInit()
0057 {
0058 EnvShutdown();
0059 }
0060 }
0061 instance_of_cdbinit;
0062
0063
0064 CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
0065 {
0066 int ret;
0067 if (pszFile == NULL)
0068 return;
0069
0070 fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
0071 bool fCreate = strchr(pszMode, 'c');
0072 unsigned int nFlags = DB_THREAD;
0073 if (fCreate)
0074 nFlags |= DB_CREATE;
0075
0076 CRITICAL_BLOCK(cs_db)
0077 {
0078 if (!fDbEnvInit)
0079 {
0080 if (fShutdown)
0081 return;
0082 string strDataDir = GetDataDir();
0083 string strLogDir = strDataDir + "/database";
0084 filesystem::create_directory(strLogDir.c_str());
0085 string strErrorFile = strDataDir + "/db.log";
0086 printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
0087
0088 dbenv.set_lg_dir(strLogDir.c_str());
0089 dbenv.set_lg_max(1000000);
0090 dbenv.set_lk_max_locks(2737000);
0091 dbenv.set_lk_max_objects(1119200);
0092 dbenv.set_lk_max_lockers(1119200);
0093 dbenv.set_errfile(fopen(strErrorFile.c_str(), "a"));
0094 dbenv.set_flags(DB_AUTO_COMMIT, 1);
0095 dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
0096 dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
0097 ret = dbenv.open(strDataDir.c_str(),
0098 DB_CREATE |
0099 DB_INIT_LOCK |
0100 DB_INIT_LOG |
0101 DB_INIT_MPOOL |
0102 DB_INIT_TXN |
0103 DB_THREAD |
0104 DB_RECOVER,
0105 S_IRUSR | S_IWUSR);
0106 if (ret > 0)
0107 throw runtime_error(strprintf("CDB() : error %d opening database environment", ret));
0108 fDbEnvInit = true;
0109 }
0110
0111 strFile = pszFile;
0112 ++mapFileUseCount[strFile];
0113 pdb = mapDb[strFile];
0114 if (pdb == NULL)
0115 {
0116 pdb = new Db(&dbenv, 0);
0117
0118 ret = pdb->open(NULL,
0119 pszFile,
0120 "main",
0121 DB_BTREE,
0122 nFlags,
0123 0);
0124
0125 if (ret > 0)
0126 {
0127 delete pdb;
0128 pdb = NULL;
0129 CRITICAL_BLOCK(cs_db)
0130 --mapFileUseCount[strFile];
0131 strFile = "";
0132 throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret));
0133 }
0134
0135 if (fCreate && !Exists(string("version")))
0136 {
0137 bool fTmp = fReadOnly;
0138 fReadOnly = false;
0139 WriteVersion(VERSION);
0140 fReadOnly = fTmp;
0141 }
0142
0143 mapDb[strFile] = pdb;
0144 }
0145 }
0146 }
0147
0148 void CDB::Close()
0149 {
0150 if (!pdb)
0151 return;
0152 if (!vTxn.empty())
0153 vTxn.front()->abort();
0154 vTxn.clear();
0155 pdb = NULL;
0156
0157
0158 unsigned int nMinutes = 0;
0159 if (fReadOnly)
0160 nMinutes = 1;
0161 if (strFile == "addr.dat")
0162 nMinutes = 2;
0163 if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
0164 nMinutes = 1;
0165 dbenv.txn_checkpoint(0, nMinutes, 0);
0166
0167 CRITICAL_BLOCK(cs_db)
0168 --mapFileUseCount[strFile];
0169 }
0170
0171 void static CloseDb(const string& strFile)
0172 {
0173 CRITICAL_BLOCK(cs_db)
0174 {
0175 if (mapDb[strFile] != NULL)
0176 {
0177
0178 Db* pdb = mapDb[strFile];
0179 pdb->close(0);
0180 delete pdb;
0181 mapDb[strFile] = NULL;
0182 }
0183 }
0184 }
0185
0186 bool CDB::Rewrite(const string& strFile, const char* pszSkip)
0187 {
0188 while (!fShutdown)
0189 {
0190 CRITICAL_BLOCK(cs_db)
0191 {
0192 if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
0193 {
0194
0195 CloseDb(strFile);
0196 dbenv.txn_checkpoint(0, 0, 0);
0197 dbenv.lsn_reset(strFile.c_str(), 0);
0198 mapFileUseCount.erase(strFile);
0199
0200 bool fSuccess = true;
0201 printf("Rewriting %s...\n", strFile.c_str());
0202 string strFileRes = strFile + ".rewrite";
0203 {
0204 CDB db(strFile.c_str(), "r");
0205 Db* pdbCopy = new Db(&dbenv, 0);
0206
0207 int ret = pdbCopy->open(NULL,
0208 strFileRes.c_str(),
0209 "main",
0210 DB_BTREE,
0211 DB_CREATE,
0212 0);
0213 if (ret > 0)
0214 {
0215 printf("Cannot create database file %s\n", strFileRes.c_str());
0216 fSuccess = false;
0217 }
0218
0219 Dbc* pcursor = db.GetCursor();
0220 if (pcursor)
0221 while (fSuccess)
0222 {
0223 CDataStream ssKey;
0224 CDataStream ssValue;
0225 int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
0226 if (ret == DB_NOTFOUND)
0227 {
0228 pcursor->close();
0229 break;
0230 }
0231 else if (ret != 0)
0232 {
0233 pcursor->close();
0234 fSuccess = false;
0235 break;
0236 }
0237 if (pszSkip &&
0238 strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
0239 continue;
0240 if (strncmp(&ssKey[0], "\x07version", 8) == 0)
0241 {
0242
0243 ssValue.clear();
0244 ssValue << VERSION;
0245 }
0246 Dbt datKey(&ssKey[0], ssKey.size());
0247 Dbt datValue(&ssValue[0], ssValue.size());
0248 int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
0249 if (ret2 > 0)
0250 fSuccess = false;
0251 }
0252 if (fSuccess)
0253 {
0254 db.Close();
0255 CloseDb(strFile);
0256 if (pdbCopy->close(0))
0257 fSuccess = false;
0258 delete pdbCopy;
0259 }
0260 }
0261 if (fSuccess)
0262 {
0263 Db dbA(&dbenv, 0);
0264 if (dbA.remove(strFile.c_str(), NULL, 0))
0265 fSuccess = false;
0266 Db dbB(&dbenv, 0);
0267 if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
0268 fSuccess = false;
0269 }
0270 if (!fSuccess)
0271 printf("Rewriting of %s FAILED!\n", strFileRes.c_str());
0272 return fSuccess;
0273 }
0274 }
0275 Sleep(100);
0276 }
0277 return false;
0278 }
0279
0280
0281 void DBFlush(bool fShutdown)
0282 {
0283
0284
0285 printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
0286 if (!fDbEnvInit)
0287 return;
0288 CRITICAL_BLOCK(cs_db)
0289 {
0290 map<string, int>::iterator mi = mapFileUseCount.begin();
0291 while (mi != mapFileUseCount.end())
0292 {
0293 string strFile = (*mi).first;
0294 int nRefCount = (*mi).second;
0295 printf("%s refcount=%d\n", strFile.c_str(), nRefCount);
0296 if (nRefCount == 0)
0297 {
0298
0299 CloseDb(strFile);
0300 dbenv.txn_checkpoint(0, 0, 0);
0301 printf("%s flush\n", strFile.c_str());
0302 dbenv.lsn_reset(strFile.c_str(), 0);
0303 mapFileUseCount.erase(mi++);
0304 }
0305 else
0306 mi++;
0307 }
0308 if (fShutdown)
0309 {
0310 char** listp;
0311 if (mapFileUseCount.empty())
0312 {
0313 dbenv.log_archive(&listp, DB_ARCH_REMOVE);
0314 EnvShutdown();
0315 }
0316 }
0317 }
0318 }
0319
0320
0321
0322
0323
0324
0325
0326
0327
0328
0329 bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex)
0330 {
0331 assert(!fClient);
0332 txindex.SetNull();
0333 return Read(make_pair(string("tx"), hash), txindex);
0334 }
0335
0336 bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
0337 {
0338 assert(!fClient);
0339 return Write(make_pair(string("tx"), hash), txindex);
0340 }
0341
0342 bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeight)
0343 {
0344 assert(!fClient);
0345
0346
0347 uint256 hash = tx.GetHash();
0348 CTxIndex txindex(pos, tx.vout.size());
0349 return Write(make_pair(string("tx"), hash), txindex);
0350 }
0351
0352 bool CTxDB::EraseTxIndex(const CTransaction& tx)
0353 {
0354 assert(!fClient);
0355 uint256 hash = tx.GetHash();
0356
0357 return Erase(make_pair(string("tx"), hash));
0358 }
0359
0360 bool CTxDB::ContainsTx(uint256 hash)
0361 {
0362 assert(!fClient);
0363 return Exists(make_pair(string("tx"), hash));
0364 }
0365
0366 bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector<CTransaction>& vtx)
0367 {
0368 assert(!fClient);
0369 vtx.clear();
0370
0371
0372 Dbc* pcursor = GetCursor();
0373 if (!pcursor)
0374 return false;
0375
0376 unsigned int fFlags = DB_SET_RANGE;
0377 loop
0378 {
0379
0380 CDataStream ssKey;
0381 if (fFlags == DB_SET_RANGE)
0382 ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0);
0383 CDataStream ssValue;
0384 int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
0385 fFlags = DB_NEXT;
0386 if (ret == DB_NOTFOUND)
0387 break;
0388 else if (ret != 0)
0389 {
0390 pcursor->close();
0391 return false;
0392 }
0393
0394
0395 string strType;
0396 uint160 hashItem;
0397 CDiskTxPos pos;
0398 ssKey >> strType >> hashItem >> pos;
0399 int nItemHeight;
0400 ssValue >> nItemHeight;
0401
0402
0403 if (strType != "owner" || hashItem != hash160)
0404 break;
0405 if (nItemHeight >= nMinHeight)
0406 {
0407 vtx.resize(vtx.size()+1);
0408 if (!vtx.back().ReadFromDisk(pos))
0409 {
0410 pcursor->close();
0411 return false;
0412 }
0413 }
0414 }
0415
0416 pcursor->close();
0417 return true;
0418 }
0419
0420 bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex)
0421 {
0422 assert(!fClient);
0423 tx.SetNull();
0424 if (!ReadTxIndex(hash, txindex))
0425 return false;
0426 return (tx.ReadFromDisk(txindex.pos));
0427 }
0428
0429 bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx)
0430 {
0431 CTxIndex txindex;
0432 return ReadDiskTx(hash, tx, txindex);
0433 }
0434
0435 bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx, CTxIndex& txindex)
0436 {
0437 return ReadDiskTx(outpoint.hash, tx, txindex);
0438 }
0439
0440 bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx)
0441 {
0442 CTxIndex txindex;
0443 return ReadDiskTx(outpoint.hash, tx, txindex);
0444 }
0445
0446 bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
0447 {
0448 return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex);
0449 }
0450
0451 bool CTxDB::EraseBlockIndex(uint256 hash)
0452 {
0453 return Erase(make_pair(string("blockindex"), hash));
0454 }
0455
0456 bool CTxDB::ReadHashBestChain(uint256& hashBestChain)
0457 {
0458 return Read(string("hashBestChain"), hashBestChain);
0459 }
0460
0461 bool CTxDB::WriteHashBestChain(uint256 hashBestChain)
0462 {
0463 return Write(string("hashBestChain"), hashBestChain);
0464 }
0465
0466 bool CTxDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork)
0467 {
0468 return Read(string("bnBestInvalidWork"), bnBestInvalidWork);
0469 }
0470
0471 bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork)
0472 {
0473 return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
0474 }
0475
0476 CBlockIndex static * InsertBlockIndex(uint256 hash)
0477 {
0478 if (hash == 0)
0479 return NULL;
0480
0481
0482 map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
0483 if (mi != mapBlockIndex.end())
0484 return (*mi).second;
0485
0486
0487 CBlockIndex* pindexNew = new CBlockIndex();
0488 if (!pindexNew)
0489 throw runtime_error("LoadBlockIndex() : new CBlockIndex failed");
0490 mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first;
0491 pindexNew->phashBlock = &((*mi).first);
0492
0493 return pindexNew;
0494 }
0495
0496 bool CTxDB::LoadBlockIndex()
0497 {
0498
0499 Dbc* pcursor = GetCursor();
0500 if (!pcursor)
0501 return false;
0502
0503
0504 unsigned int fFlags = DB_SET_RANGE;
0505 loop
0506 {
0507
0508 CDataStream ssKey;
0509 if (fFlags == DB_SET_RANGE)
0510 ssKey << make_pair(string("blockindex"), uint256(0));
0511 CDataStream ssValue;
0512 int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
0513 fFlags = DB_NEXT;
0514 if (ret == DB_NOTFOUND)
0515 break;
0516 else if (ret != 0)
0517 return false;
0518
0519
0520 string strType;
0521 ssKey >> strType;
0522 if (strType == "blockindex")
0523 {
0524 CDiskBlockIndex diskindex;
0525 ssValue >> diskindex;
0526
0527
0528 CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
0529 pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
0530 pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
0531 pindexNew->nFile = diskindex.nFile;
0532 pindexNew->nBlockPos = diskindex.nBlockPos;
0533 pindexNew->nHeight = diskindex.nHeight;
0534 pindexNew->nVersion = diskindex.nVersion;
0535 pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
0536 pindexNew->nTime = diskindex.nTime;
0537 pindexNew->nBits = diskindex.nBits;
0538 pindexNew->nNonce = diskindex.nNonce;
0539
0540
0541 if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
0542 pindexGenesisBlock = pindexNew;
0543
0544 if (!pindexNew->CheckIndex())
0545 return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
0546 }
0547 else
0548 {
0549 break;
0550 }
0551 }
0552 pcursor->close();
0553
0554
0555 vector<pair<int, CBlockIndex*> > vSortedByHeight;
0556 vSortedByHeight.reserve(mapBlockIndex.size());
0557 BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
0558 {
0559 CBlockIndex* pindex = item.second;
0560 vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
0561 }
0562 sort(vSortedByHeight.begin(), vSortedByHeight.end());
0563 BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
0564 {
0565 CBlockIndex* pindex = item.second;
0566 pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
0567 }
0568
0569
0570 if (!ReadHashBestChain(hashBestChain))
0571 {
0572 if (pindexGenesisBlock == NULL)
0573 return true;
0574 return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded");
0575 }
0576 if (!mapBlockIndex.count(hashBestChain))
0577 return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
0578 pindexBest = mapBlockIndex[hashBestChain];
0579 nBestHeight = pindexBest->nHeight;
0580 bnBestChainWork = pindexBest->bnChainWork;
0581 printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight);
0582
0583
0584 ReadBestInvalidWork(bnBestInvalidWork);
0585
0586
0587 CBlockIndex* pindexFork = NULL;
0588 for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
0589 {
0590 if (pindex->nHeight < nBestHeight-2500 && !mapArgs.count("-checkblocks"))
0591 break;
0592 CBlock block;
0593 if (!block.ReadFromDisk(pindex))
0594 return error("LoadBlockIndex() : block.ReadFromDisk failed");
0595 if (!block.CheckBlock())
0596 {
0597 printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());
0598 pindexFork = pindex->pprev;
0599 }
0600 }
0601 if (pindexFork)
0602 {
0603
0604 printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight);
0605 CBlock block;
0606 if (!block.ReadFromDisk(pindexFork))
0607 return error("LoadBlockIndex() : block.ReadFromDisk failed");
0608 CTxDB txdb;
0609 block.SetBestChain(txdb, pindexFork);
0610 }
0611
0612 return true;
0613 }
0614
0615
0616
0617
0618
0619
0620
0621
0622
0623 bool CAddrDB::WriteAddress(const CAddress& addr)
0624 {
0625 return Write(make_pair(string("addr"), addr.GetKey()), addr);
0626 }
0627
0628 bool CAddrDB::EraseAddress(const CAddress& addr)
0629 {
0630 return Erase(make_pair(string("addr"), addr.GetKey()));
0631 }
0632
0633 bool CAddrDB::LoadAddresses()
0634 {
0635 CRITICAL_BLOCK(cs_mapAddresses)
0636 {
0637
0638 Dbc* pcursor = GetCursor();
0639 if (!pcursor)
0640 return false;
0641
0642 loop
0643 {
0644
0645 CDataStream ssKey;
0646 CDataStream ssValue;
0647 int ret = ReadAtCursor(pcursor, ssKey, ssValue);
0648 if (ret == DB_NOTFOUND)
0649 break;
0650 else if (ret != 0)
0651 return false;
0652
0653
0654 string strType;
0655 ssKey >> strType;
0656 if (strType == "addr")
0657 {
0658 CAddress addr;
0659 ssValue >> addr;
0660 mapAddresses.insert(make_pair(addr.GetKey(), addr));
0661 }
0662 }
0663 pcursor->close();
0664
0665 printf("Loaded %d addresses\n", mapAddresses.size());
0666 }
0667
0668 return true;
0669 }
0670
0671 bool LoadAddresses()
0672 {
0673 return CAddrDB("cr+").LoadAddresses();
0674 }
0675
0676
0677
0678
0679
0680
0681
0682
0683 bool CWalletDB::WriteName(const string& strAddress, const string& strName)
0684 {
0685 nWalletDBUpdated++;
0686 return Write(make_pair(string("name"), strAddress), strName);
0687 }
0688
0689 bool CWalletDB::EraseName(const string& strAddress)
0690 {
0691
0692
0693 nWalletDBUpdated++;
0694 return Erase(make_pair(string("name"), strAddress));
0695 }
0696
0697 bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account)
0698 {
0699 account.SetNull();
0700 return Read(make_pair(string("acc"), strAccount), account);
0701 }
0702
0703 bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account)
0704 {
0705 return Write(make_pair(string("acc"), strAccount), account);
0706 }
0707
0708 bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
0709 {
0710 return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
0711 }
0712
0713 int64 CWalletDB::GetAccountCreditDebit(const string& strAccount)
0714 {
0715 list<CAccountingEntry> entries;
0716 ListAccountCreditDebit(strAccount, entries);
0717
0718 int64 nCreditDebit = 0;
0719 BOOST_FOREACH (const CAccountingEntry& entry, entries)
0720 nCreditDebit += entry.nCreditDebit;
0721
0722 return nCreditDebit;
0723 }
0724
0725 void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
0726 {
0727 bool fAllAccounts = (strAccount == "*");
0728
0729 Dbc* pcursor = GetCursor();
0730 if (!pcursor)
0731 throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor");
0732 unsigned int fFlags = DB_SET_RANGE;
0733 loop
0734 {
0735
0736 CDataStream ssKey;
0737 if (fFlags == DB_SET_RANGE)
0738 ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
0739 CDataStream ssValue;
0740 int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
0741 fFlags = DB_NEXT;
0742 if (ret == DB_NOTFOUND)
0743 break;
0744 else if (ret != 0)
0745 {
0746 pcursor->close();
0747 throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB");
0748 }
0749
0750
0751 string strType;
0752 ssKey >> strType;
0753 if (strType != "acentry")
0754 break;
0755 CAccountingEntry acentry;
0756 ssKey >> acentry.strAccount;
0757 if (!fAllAccounts && acentry.strAccount != strAccount)
0758 break;
0759
0760 ssValue >> acentry;
0761 entries.push_back(acentry);
0762 }
0763
0764 pcursor->close();
0765 }
0766
0767
0768 int CWalletDB::LoadWallet(CWallet* pwallet)
0769 {
0770 pwallet->vchDefaultKey.clear();
0771 int nFileVersion = 0;
0772 vector<uint256> vWalletUpgrade;
0773 bool fIsEncrypted = false;
0774
0775
0776
0777 fMinimizeToTray = false;
0778 fMinimizeOnClose = false;
0779
0780
0781 CRITICAL_BLOCK(pwallet->cs_wallet)
0782 {
0783
0784 Dbc* pcursor = GetCursor();
0785 if (!pcursor)
0786 return DB_CORRUPT;
0787
0788 loop
0789 {
0790
0791 CDataStream ssKey;
0792 CDataStream ssValue;
0793 int ret = ReadAtCursor(pcursor, ssKey, ssValue);
0794 if (ret == DB_NOTFOUND)
0795 break;
0796 else if (ret != 0)
0797 return DB_CORRUPT;
0798
0799
0800
0801
0802 string strType;
0803 ssKey >> strType;
0804 if (strType == "name")
0805 {
0806 string strAddress;
0807 ssKey >> strAddress;
0808 ssValue >> pwallet->mapAddressBook[strAddress];
0809 }
0810 else if (strType == "tx")
0811 {
0812 uint256 hash;
0813 ssKey >> hash;
0814 CWalletTx& wtx = pwallet->mapWallet[hash];
0815 ssValue >> wtx;
0816 wtx.pwallet = pwallet;
0817
0818 if (wtx.GetHash() != hash)
0819 printf("Error in wallet.dat, hash mismatch\n");
0820
0821
0822 if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703)
0823 {
0824 if (!ssValue.empty())
0825 {
0826 char fTmp;
0827 char fUnused;
0828 ssValue >> fTmp >> fUnused >> wtx.strFromAccount;
0829 printf("LoadWallet() upgrading tx ver=%d %d '%s' %s\n", wtx.fTimeReceivedIsTxTime, fTmp, wtx.strFromAccount.c_str(), hash.ToString().c_str());
0830 wtx.fTimeReceivedIsTxTime = fTmp;
0831 }
0832 else
0833 {
0834 printf("LoadWallet() repairing tx ver=%d %s\n", wtx.fTimeReceivedIsTxTime, hash.ToString().c_str());
0835 wtx.fTimeReceivedIsTxTime = 0;
0836 }
0837 vWalletUpgrade.push_back(hash);
0838 }
0839
0840
0841
0842
0843
0844
0845
0846
0847 }
0848 else if (strType == "acentry")
0849 {
0850 string strAccount;
0851 ssKey >> strAccount;
0852 uint64 nNumber;
0853 ssKey >> nNumber;
0854 if (nNumber > nAccountingEntryNumber)
0855 nAccountingEntryNumber = nNumber;
0856 }
0857 else if (strType == "key" || strType == "wkey")
0858 {
0859 vector<unsigned char> vchPubKey;
0860 ssKey >> vchPubKey;
0861 CKey key;
0862 if (strType == "key")
0863 {
0864 CPrivKey pkey;
0865 ssValue >> pkey;
0866 key.SetPrivKey(pkey);
0867 if (key.GetPubKey() != vchPubKey || !key.IsValid())
0868 return DB_CORRUPT;
0869 }
0870 else
0871 {
0872 CWalletKey wkey;
0873 ssValue >> wkey;
0874 key.SetPrivKey(wkey.vchPrivKey);
0875 if (key.GetPubKey() != vchPubKey || !key.IsValid())
0876 return DB_CORRUPT;
0877 }
0878 if (!pwallet->LoadKey(key))
0879 return DB_CORRUPT;
0880 }
0881 else if (strType == "mkey")
0882 {
0883 unsigned int nID;
0884 ssKey >> nID;
0885 CMasterKey kMasterKey;
0886 ssValue >> kMasterKey;
0887 if(pwallet->mapMasterKeys.count(nID) != 0)
0888 return DB_CORRUPT;
0889 pwallet->mapMasterKeys[nID] = kMasterKey;
0890 if (pwallet->nMasterKeyMaxID < nID)
0891 pwallet->nMasterKeyMaxID = nID;
0892 }
0893 else if (strType == "ckey")
0894 {
0895 vector<unsigned char> vchPubKey;
0896 ssKey >> vchPubKey;
0897 vector<unsigned char> vchPrivKey;
0898 ssValue >> vchPrivKey;
0899 if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
0900 return DB_CORRUPT;
0901 fIsEncrypted = true;
0902 }
0903 else if (strType == "defaultkey")
0904 {
0905 ssValue >> pwallet->vchDefaultKey;
0906 }
0907 else if (strType == "pool")
0908 {
0909 int64 nIndex;
0910 ssKey >> nIndex;
0911 pwallet->setKeyPool.insert(nIndex);
0912 }
0913 else if (strType == "version")
0914 {
0915 ssValue >> nFileVersion;
0916 if (nFileVersion == 10300)
0917 nFileVersion = 300;
0918 }
0919 else if (strType == "setting")
0920 {
0921 string strKey;
0922 ssKey >> strKey;
0923
0924
0925 if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
0926 if (strKey == "nTransactionFee") ssValue >> nTransactionFee;
0927 if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors;
0928 if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors;
0929 if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray;
0930 if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose;
0931 if (strKey == "fUseProxy") ssValue >> fUseProxy;
0932 if (strKey == "addrProxy") ssValue >> addrProxy;
0933 }
0934 else if (strType == "minversion")
0935 {
0936 int nMinVersion = 0;
0937 ssValue >> nMinVersion;
0938 if (nMinVersion > VERSION)
0939 return DB_TOO_NEW;
0940 }
0941 }
0942 pcursor->close();
0943 }
0944
0945 BOOST_FOREACH(uint256 hash, vWalletUpgrade)
0946 WriteTx(hash, pwallet->mapWallet[hash]);
0947
0948 printf("nFileVersion = %d\n", nFileVersion);
0949 printf("fGenerateBitcoins = %d\n", fGenerateBitcoins);
0950 printf("nTransactionFee = %"PRI64d"\n", nTransactionFee);
0951 printf("fMinimizeToTray = %d\n", fMinimizeToTray);
0952 printf("fMinimizeOnClose = %d\n", fMinimizeOnClose);
0953 printf("fUseProxy = %d\n", fUseProxy);
0954 printf("addrProxy = %s\n", addrProxy.ToString().c_str());
0955
0956
0957 if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000))
0958 return DB_NEED_REWRITE;
0959
0960 if (nFileVersion < VERSION)
0961 {
0962
0963 if (nFileVersion <= 105 && !pszSetDataDir[0])
0964 unlink("debug.log");
0965
0966 WriteVersion(VERSION);
0967 }
0968
0969 return DB_LOAD_OK;
0970 }
0971
0972 void ThreadFlushWalletDB(void* parg)
0973 {
0974 const string& strFile = ((const string*)parg)[0];
0975 static bool fOneThread;
0976 if (fOneThread)
0977 return;
0978 fOneThread = true;
0979 if (mapArgs.count("-noflushwallet"))
0980 return;
0981
0982 unsigned int nLastSeen = nWalletDBUpdated;
0983 unsigned int nLastFlushed = nWalletDBUpdated;
0984 int64 nLastWalletUpdate = GetTime();
0985 while (!fShutdown)
0986 {
0987 Sleep(500);
0988
0989 if (nLastSeen != nWalletDBUpdated)
0990 {
0991 nLastSeen = nWalletDBUpdated;
0992 nLastWalletUpdate = GetTime();
0993 }
0994
0995 if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
0996 {
0997 TRY_CRITICAL_BLOCK(cs_db)
0998 {
0999
1000 int nRefCount = 0;
1001 map<string, int>::iterator mi = mapFileUseCount.begin();
1002 while (mi != mapFileUseCount.end())
1003 {
1004 nRefCount += (*mi).second;
1005 mi++;
1006 }
1007
1008 if (nRefCount == 0 && !fShutdown)
1009 {
1010 map<string, int>::iterator mi = mapFileUseCount.find(strFile);
1011 if (mi != mapFileUseCount.end())
1012 {
1013 printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
1014 printf("Flushing wallet.dat\n");
1015 nLastFlushed = nWalletDBUpdated;
1016 int64 nStart = GetTimeMillis();
1017
1018
1019 CloseDb(strFile);
1020 dbenv.txn_checkpoint(0, 0, 0);
1021 dbenv.lsn_reset(strFile.c_str(), 0);
1022
1023 mapFileUseCount.erase(mi++);
1024 printf("Flushed wallet.dat %"PRI64d"ms\n", GetTimeMillis() - nStart);
1025 }
1026 }
1027 }
1028 }
1029 }
1030 }
1031
1032 bool BackupWallet(const CWallet& wallet, const string& strDest)
1033 {
1034 if (!wallet.fFileBacked)
1035 return false;
1036 while (!fShutdown)
1037 {
1038 CRITICAL_BLOCK(cs_db)
1039 {
1040 if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0)
1041 {
1042
1043 CloseDb(wallet.strWalletFile);
1044 dbenv.txn_checkpoint(0, 0, 0);
1045 dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0);
1046 mapFileUseCount.erase(wallet.strWalletFile);
1047
1048
1049 filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile);
1050 filesystem::path pathDest(strDest);
1051 if (filesystem::is_directory(pathDest))
1052 pathDest = pathDest / wallet.strWalletFile;
1053 #if BOOST_VERSION >= 104000
1054 filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
1055 #else
1056 filesystem::copy_file(pathSrc, pathDest);
1057 #endif
1058 printf("copied wallet.dat to %s\n", pathDest.string().c_str());
1059
1060 return true;
1061 }
1062 }
1063 Sleep(100);
1064 }
1065 return false;
1066 }