diff options
Diffstat (limited to 'src/wallet')
-rw-r--r-- | src/wallet/crypter.h | 2 | ||||
-rw-r--r-- | src/wallet/db.cpp | 26 | ||||
-rw-r--r-- | src/wallet/db.h | 21 | ||||
-rw-r--r-- | src/wallet/rpcdump.cpp | 3 | ||||
-rw-r--r-- | src/wallet/rpcwallet.cpp | 46 | ||||
-rw-r--r-- | src/wallet/test/crypto_tests.cpp | 5 | ||||
-rw-r--r-- | src/wallet/test/wallet_test_fixture.cpp | 2 | ||||
-rw-r--r-- | src/wallet/test/wallet_tests.cpp | 15 | ||||
-rw-r--r-- | src/wallet/wallet.cpp | 101 | ||||
-rw-r--r-- | src/wallet/wallet.h | 12 | ||||
-rw-r--r-- | src/wallet/walletdb.cpp | 149 | ||||
-rw-r--r-- | src/wallet/walletdb.h | 33 |
12 files changed, 215 insertions, 200 deletions
diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h index 275e435f73..f1c4f57428 100644 --- a/src/wallet/crypter.h +++ b/src/wallet/crypter.h @@ -9,8 +9,6 @@ #include "serialize.h" #include "support/allocators/secure.h" -class uint256; - const unsigned int WALLET_CRYPTO_KEY_SIZE = 32; const unsigned int WALLET_CRYPTO_SALT_SIZE = 8; const unsigned int WALLET_CRYPTO_IV_SIZE = 16; diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp index 25f6bdd9d9..74b82a8616 100644 --- a/src/wallet/db.cpp +++ b/src/wallet/db.cpp @@ -20,7 +20,6 @@ #include <boost/foreach.hpp> #include <boost/thread.hpp> -#include <boost/version.hpp> // // CDB @@ -143,7 +142,7 @@ void CDBEnv::MakeMock() fMockDb = true; } -CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, bool (*recoverFunc)(const std::string& strFile)) +CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, recoverFunc_type recoverFunc, std::string& out_backup_filename) { LOCK(cs_db); assert(mapFileUseCount.count(strFile) == 0); @@ -156,21 +155,21 @@ CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, bool (*recoverFu return RECOVER_FAIL; // Try to recover: - bool fRecovered = (*recoverFunc)(strFile); + bool fRecovered = (*recoverFunc)(strFile, out_backup_filename); return (fRecovered ? RECOVER_OK : RECOVER_FAIL); } -bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue)) +bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& newFilename) { // Recovery procedure: - // move wallet file to wallet.timestamp.bak + // move wallet file to walletfilename.timestamp.bak // Call Salvage with fAggressive=true to // get as much data as possible. // Rewrite salvaged data to fresh wallet file // Set -rescan so any missing transactions will be // found. int64_t now = GetTime(); - std::string newFilename = strprintf("wallet.%d.bak", now); + newFilename = strprintf("%s.%d.bak", filename, now); int result = bitdb.dbenv->dbrename(NULL, filename.c_str(), NULL, newFilename.c_str(), DB_AUTO_COMMIT); @@ -211,7 +210,6 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco { CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION); CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION); - std::string strType, strErr; if (!(*recoverKVcallback)(callbackDataIn, ssKey, ssValue)) continue; } @@ -261,18 +259,19 @@ bool CDB::VerifyEnvironment(const std::string& walletFile, const fs::path& dataD return true; } -bool CDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile)) +bool CDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, CDBEnv::recoverFunc_type recoverFunc) { if (fs::exists(dataDir / walletFile)) { - CDBEnv::VerifyResult r = bitdb.Verify(walletFile, recoverFunc); + std::string backup_filename; + CDBEnv::VerifyResult r = bitdb.Verify(walletFile, recoverFunc, backup_filename); if (r == CDBEnv::RECOVER_OK) { warningStr = strprintf(_("Warning: Wallet file corrupt, data salvaged!" " Original %s saved as %s in %s; if" " your balance or transactions are incorrect you should" " restore from a backup."), - walletFile, "wallet.{timestamp}.bak", dataDir); + walletFile, backup_filename, dataDir); } if (r == CDBEnv::RECOVER_FAIL) { @@ -361,7 +360,6 @@ void CDBEnv::CheckpointLSN(const std::string& strFile) CDB::CDB(CWalletDBWrapper& dbw, const char* pszMode, bool fFlushOnCloseIn) : pdb(NULL), activeTxn(NULL) { - int ret; fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w')); fFlushOnClose = fFlushOnCloseIn; env = dbw.env; @@ -384,6 +382,7 @@ CDB::CDB(CWalletDBWrapper& dbw, const char* pszMode, bool fFlushOnCloseIn) : pdb ++env->mapFileUseCount[strFile]; pdb = env->mapDb[strFile]; if (pdb == NULL) { + int ret; pdb = new Db(env->dbenv, 0); bool fMockDb = env->IsMock(); @@ -434,6 +433,11 @@ void CDB::Flush() env->dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", DEFAULT_WALLET_DBLOGSIZE) * 1024 : 0, nMinutes, 0); } +void CWalletDBWrapper::IncrementUpdateCounter() +{ + ++nUpdateCounter; +} + void CDB::Close() { if (!pdb) diff --git a/src/wallet/db.h b/src/wallet/db.h index 3c6870d169..7cccc65660 100644 --- a/src/wallet/db.h +++ b/src/wallet/db.h @@ -13,6 +13,7 @@ #include "sync.h" #include "version.h" +#include <atomic> #include <map> #include <string> #include <vector> @@ -55,7 +56,8 @@ public: enum VerifyResult { VERIFY_OK, RECOVER_OK, RECOVER_FAIL }; - VerifyResult Verify(const std::string& strFile, bool (*recoverFunc)(const std::string& strFile)); + typedef bool (*recoverFunc_type)(const std::string& strFile, std::string& out_backup_filename); + VerifyResult Verify(const std::string& strFile, recoverFunc_type recoverFunc, std::string& out_backup_filename); /** * Salvage data from a file that Verify says is bad. * fAggressive sets the DB_AGGRESSIVE flag (see berkeley DB->verify() method documentation). @@ -93,13 +95,13 @@ class CWalletDBWrapper friend class CDB; public: /** Create dummy DB handle */ - CWalletDBWrapper(): env(nullptr) + CWalletDBWrapper() : nLastSeen(0), nLastFlushed(0), nLastWalletUpdate(0), env(nullptr) { } /** Create DB handle to real database */ - CWalletDBWrapper(CDBEnv *env_in, const std::string &strFile_in): - env(env_in), strFile(strFile_in) + CWalletDBWrapper(CDBEnv *env_in, const std::string &strFile_in) : + nLastSeen(0), nLastFlushed(0), nLastWalletUpdate(0), env(env_in), strFile(strFile_in) { } @@ -119,6 +121,13 @@ public: */ void Flush(bool shutdown); + void IncrementUpdateCounter(); + + std::atomic<unsigned int> nUpdateCounter; + unsigned int nLastSeen; + unsigned int nLastFlushed; + int64_t nLastWalletUpdate; + private: /** BerkeleyDB specific */ CDBEnv *env; @@ -149,7 +158,7 @@ public: void Flush(); void Close(); - static bool Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue)); + static bool Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& out_backup_filename); /* flush the wallet passively (TRY_LOCK) ideal to be called periodically */ @@ -157,7 +166,7 @@ public: /* verifies the database environment */ static bool VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr); /* verifies the database file */ - static bool VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile)); + static bool VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, CDBEnv::recoverFunc_type recoverFunc); private: CDB(const CDB&); diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp index 457e937bb8..e771ce9bb3 100644 --- a/src/wallet/rpcdump.cpp +++ b/src/wallet/rpcdump.cpp @@ -26,7 +26,6 @@ #include <univalue.h> -#include <boost/assign/list_of.hpp> #include <boost/foreach.hpp> std::string static EncodeDumpTime(int64_t nTime) { @@ -1070,7 +1069,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest) // clang-format on - RPCTypeCheck(mainRequest.params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)); + RPCTypeCheck(mainRequest.params, {UniValue::VARR, UniValue::VOBJ}); const UniValue& requests = mainRequest.params[0]; diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 3b6dfd42ca..4b8a8b81e4 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -9,7 +9,6 @@ #include "consensus/validation.h" #include "core_io.h" #include "init.h" -#include "wallet/coincontrol.h" #include "validation.h" #include "net.h" #include "policy/feerate.h" @@ -21,19 +20,19 @@ #include "timedata.h" #include "util.h" #include "utilmoneystr.h" +#include "wallet/coincontrol.h" #include "wallet/feebumper.h" #include "wallet/wallet.h" #include "wallet/walletdb.h" #include <stdint.h> -#include <boost/assign/list_of.hpp> - #include <univalue.h> CWallet *GetWalletForJSONRPCRequest(const JSONRPCRequest& request) { - return pwalletMain; + // TODO: Some way to access secondary wallets + return vpwallets.empty() ? nullptr : vpwallets[0]; } std::string HelpRequiringPassphrase(CWallet * const pwallet) @@ -2254,9 +2253,9 @@ UniValue lockunspent(const JSONRPCRequest& request) LOCK2(cs_main, pwallet->cs_wallet); if (request.params.size() == 1) - RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VBOOL)); + RPCTypeCheck(request.params, {UniValue::VBOOL}); else - RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VBOOL)(UniValue::VARR)); + RPCTypeCheck(request.params, {UniValue::VBOOL, UniValue::VARR}); bool fUnlock = request.params[0].get_bool(); @@ -2628,7 +2627,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) return NullUniValue; } - if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) + if (request.fHelp || request.params.size() < 1 || request.params.size() > 3) throw std::runtime_error( "fundrawtransaction \"hexstring\" ( options )\n" "\nAdd inputs to a transaction until it has enough in value to meet its out value.\n" @@ -2657,6 +2656,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) " Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" " If no outputs are specified here, the sender pays the fee.\n" " [vout_index,...]\n" + " \"optIntoRbf\" (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees\n" " }\n" " for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}\n" "\nResult:\n" @@ -2676,25 +2676,26 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"") ); - RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)); + RPCTypeCheck(request.params, {UniValue::VSTR}); - CTxDestination changeAddress = CNoDestination(); + CCoinControl coinControl; + coinControl.destChange = CNoDestination(); int changePosition = -1; - bool includeWatching = false; + coinControl.fAllowWatchOnly = false; // include watching bool lockUnspents = false; bool reserveChangeKey = true; - CFeeRate feeRate = CFeeRate(0); - bool overrideEstimatedFeerate = false; + coinControl.nFeeRate = CFeeRate(0); + coinControl.fOverrideFeeRate = false; UniValue subtractFeeFromOutputs; std::set<int> setSubtractFeeFromOutputs; if (request.params.size() > 1) { if (request.params[1].type() == UniValue::VBOOL) { // backward compatibility bool only fallback - includeWatching = request.params[1].get_bool(); + coinControl.fAllowWatchOnly = request.params[1].get_bool(); } else { - RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ)); + RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ}); UniValue options = request.params[1]; @@ -2707,6 +2708,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) {"reserveChangeKey", UniValueType(UniValue::VBOOL)}, {"feeRate", UniValueType()}, // will be checked below {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)}, + {"optIntoRbf", UniValueType(UniValue::VBOOL)}, }, true, true); @@ -2716,14 +2718,14 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) if (!address.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "changeAddress must be a valid bitcoin address"); - changeAddress = address.Get(); + coinControl.destChange = address.Get(); } if (options.exists("changePosition")) changePosition = options["changePosition"].get_int(); if (options.exists("includeWatching")) - includeWatching = options["includeWatching"].get_bool(); + coinControl.fAllowWatchOnly = options["includeWatching"].get_bool(); if (options.exists("lockUnspents")) lockUnspents = options["lockUnspents"].get_bool(); @@ -2733,12 +2735,16 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) if (options.exists("feeRate")) { - feeRate = CFeeRate(AmountFromValue(options["feeRate"])); - overrideEstimatedFeerate = true; + coinControl.nFeeRate = CFeeRate(AmountFromValue(options["feeRate"])); + coinControl.fOverrideFeeRate = true; } if (options.exists("subtractFeeFromOutputs")) subtractFeeFromOutputs = options["subtractFeeFromOutputs"].get_array(); + + if (options.exists("optIntoRbf")) { + coinControl.signalRbf = options["optIntoRbf"].get_bool(); + } } } @@ -2767,7 +2773,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request) CAmount nFeeOut; std::string strFailReason; - if (!pwallet->FundTransaction(tx, nFeeOut, overrideEstimatedFeerate, feeRate, changePosition, strFailReason, includeWatching, lockUnspents, setSubtractFeeFromOutputs, reserveChangeKey, changeAddress)) { + if (!pwallet->FundTransaction(tx, nFeeOut, changePosition, strFailReason, lockUnspents, setSubtractFeeFromOutputs, coinControl, reserveChangeKey)) { throw JSONRPCError(RPC_WALLET_ERROR, strFailReason); } @@ -2829,7 +2835,7 @@ UniValue bumpfee(const JSONRPCRequest& request) HelpExampleCli("bumpfee", "<txid>")); } - RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ)); + RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ}); uint256 hash; hash.SetHex(request.params[0].get_str()); diff --git a/src/wallet/test/crypto_tests.cpp b/src/wallet/test/crypto_tests.cpp index 0d012dacad..524a72c303 100644 --- a/src/wallet/test/crypto_tests.cpp +++ b/src/wallet/test/crypto_tests.cpp @@ -2,9 +2,8 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "test/test_random.h" -#include "utilstrencodings.h" #include "test/test_bitcoin.h" +#include "utilstrencodings.h" #include "wallet/crypter.h" #include <vector> @@ -193,7 +192,7 @@ BOOST_AUTO_TEST_CASE(passphrase) { std::string hash(GetRandHash().ToString()); std::vector<unsigned char> vchSalt(8); GetRandBytes(&vchSalt[0], vchSalt.size()); - uint32_t rounds = insecure_rand(); + uint32_t rounds = InsecureRand32(); if (rounds > 30000) rounds = 30000; TestCrypter::TestPassphrase(vchSalt, SecureString(hash.begin(), hash.end()), rounds); diff --git a/src/wallet/test/wallet_test_fixture.cpp b/src/wallet/test/wallet_test_fixture.cpp index 1989bf8d9b..922fcc8e89 100644 --- a/src/wallet/test/wallet_test_fixture.cpp +++ b/src/wallet/test/wallet_test_fixture.cpp @@ -8,6 +8,8 @@ #include "wallet/db.h" #include "wallet/wallet.h" +CWallet *pwalletMain; + WalletTestingSetup::WalletTestingSetup(const std::string& chainName): TestingSetup(chainName) { diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp index b30748d66b..96a1b14b60 100644 --- a/src/wallet/test/wallet_tests.cpp +++ b/src/wallet/test/wallet_tests.cpp @@ -15,10 +15,11 @@ #include "validation.h" #include "wallet/test/wallet_test_fixture.h" -#include <boost/foreach.hpp> #include <boost/test/unit_test.hpp> #include <univalue.h> +extern CWallet* pwalletMain; + extern UniValue importmulti(const JSONRPCRequest& request); extern UniValue dumpwallet(const JSONRPCRequest& request); extern UniValue importwallet(const JSONRPCRequest& request); @@ -402,8 +403,7 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup) // after. { CWallet wallet; - CWallet *backup = ::pwalletMain; - ::pwalletMain = &wallet; + vpwallets.insert(vpwallets.begin(), &wallet); UniValue keys; keys.setArray(); UniValue key; @@ -434,7 +434,7 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup) "downloading and rescanning the relevant blocks (see -reindex and -rescan " "options).\"}},{\"success\":true}]", 0, oldTip->GetBlockTimeMax(), TIMESTAMP_WINDOW)); - ::pwalletMain = backup; + vpwallets.erase(vpwallets.begin()); } } @@ -444,7 +444,6 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup) // than or equal to key birthday. BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup) { - CWallet *pwalletMainBackup = ::pwalletMain; LOCK(cs_main); // Create two blocks with same timestamp to verify that importwallet rescan @@ -470,7 +469,7 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup) JSONRPCRequest request; request.params.setArray(); request.params.push_back("wallet.backup"); - ::pwalletMain = &wallet; + vpwallets.insert(vpwallets.begin(), &wallet); ::dumpwallet(request); } @@ -482,7 +481,7 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup) JSONRPCRequest request; request.params.setArray(); request.params.push_back("wallet.backup"); - ::pwalletMain = &wallet; + vpwallets[0] = &wallet; ::importwallet(request); BOOST_CHECK_EQUAL(wallet.mapWallet.size(), 3); @@ -495,7 +494,7 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup) } SetMockTime(0); - ::pwalletMain = pwalletMainBackup; + vpwallets.erase(vpwallets.begin()); } // Check that GetImmatureCredit() returns a newly calculated value instead of diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 3e000d2a9d..eb6de4870f 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -35,7 +35,7 @@ #include <boost/algorithm/string/replace.hpp> #include <boost/thread.hpp> -CWallet* pwalletMain = NULL; +std::vector<CWalletRef> vpwallets; /** Transaction fee set by the user */ CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE); unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET; @@ -440,30 +440,40 @@ bool CWallet::Verify() if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) return true; - uiInterface.InitMessage(_("Verifying wallet...")); - std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT); + uiInterface.InitMessage(_("Verifying wallet(s)...")); - std::string strError; - if (!CWalletDB::VerifyEnvironment(walletFile, GetDataDir().string(), strError)) - return InitError(strError); + for (const std::string& walletFile : gArgs.GetArgs("-wallet")) { + if (boost::filesystem::path(walletFile).filename() != walletFile) { + return InitError(_("-wallet parameter must only specify a filename (not a path)")); + } else if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) { + return InitError(_("Invalid characters in -wallet filename")); + } - if (GetBoolArg("-salvagewallet", false)) - { - // Recover readable keypairs: - CWallet dummyWallet; - if (!CWalletDB::Recover(walletFile, (void *)&dummyWallet, CWalletDB::RecoverKeysOnlyFilter)) + std::string strError; + if (!CWalletDB::VerifyEnvironment(walletFile, GetDataDir().string(), strError)) { + return InitError(strError); + } + + if (GetBoolArg("-salvagewallet", false)) { + // Recover readable keypairs: + CWallet dummyWallet; + std::string backup_filename; + if (!CWalletDB::Recover(walletFile, (void *)&dummyWallet, CWalletDB::RecoverKeysOnlyFilter, backup_filename)) { + return false; + } + } + + std::string strWarning; + bool dbV = CWalletDB::VerifyDatabaseFile(walletFile, GetDataDir().string(), strWarning, strError); + if (!strWarning.empty()) { + InitWarning(strWarning); + } + if (!dbV) { + InitError(strError); return false; + } } - std::string strWarning; - bool dbV = CWalletDB::VerifyDatabaseFile(walletFile, GetDataDir().string(), strWarning, strError); - if (!strWarning.empty()) - InitWarning(strWarning); - if (!dbV) - { - InitError(strError); - return false; - } return true; } @@ -2414,7 +2424,7 @@ bool CWallet::SignTransaction(CMutableTransaction &tx) return true; } -bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey, const CTxDestination& destChange) +bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl coinControl, bool keepReserveKey) { std::vector<CRecipient> vecSend; @@ -2426,12 +2436,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov vecSend.push_back(recipient); } - CCoinControl coinControl; - coinControl.destChange = destChange; coinControl.fAllowOtherInputs = true; - coinControl.fAllowWatchOnly = includeWatching; - coinControl.fOverrideFeeRate = overrideEstimatedFeeRate; - coinControl.nFeeRate = specificFeeRate; BOOST_FOREACH(const CTxIn& txin, tx.vin) coinControl.Select(txin.prevout); @@ -2690,9 +2695,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT // and in the spirit of "smallest possible change from prior // behavior." bool rbf = coinControl ? coinControl->signalRbf : fWalletRbf; + const uint32_t nSequence = rbf ? MAX_BIP125_RBF_SEQUENCE : (std::numeric_limits<unsigned int>::max() - 1); for (const auto& coin : setCoins) txNew.vin.push_back(CTxIn(coin.outpoint,CScript(), - std::numeric_limits<unsigned int>::max() - (rbf ? 2 : 1))); + nSequence)); // Fill in dummy signatures for fee calculation. if (!DummySignTx(txNew, setCoins)) { @@ -2871,8 +2877,9 @@ bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry) bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry, CWalletDB *pwalletdb) { - if (!pwalletdb->WriteAccountingEntry_Backend(acentry)) + if (!pwalletdb->WriteAccountingEntry(++nAccountingEntryNumber, acentry)) { return false; + } laccentries.push_back(acentry); CAccountingEntry & entry = laccentries.back(); @@ -3192,10 +3199,10 @@ void CWallet::ReturnKey(int64_t nIndex) bool CWallet::GetKeyFromPool(CPubKey& result, bool internal) { - int64_t nIndex = 0; CKeyPool keypool; { LOCK(cs_wallet); + int64_t nIndex = 0; ReserveKeyFromKeyPool(nIndex, keypool, internal); if (nIndex == -1) { @@ -3884,7 +3891,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile) walletInstance->ScanForWalletTransactions(pindexRescan, true); LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart); walletInstance->SetBestChain(chainActive.GetLocator()); - CWalletDB::IncrementUpdateCounter(); + walletInstance->dbw->IncrementUpdateCounter(); // Restore wallet transaction metadata after -zapwallettxes=1 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2") @@ -3926,24 +3933,17 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile) bool CWallet::InitLoadWallet() { if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) { - pwalletMain = NULL; LogPrintf("Wallet disabled!\n"); return true; } - std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT); - - if (boost::filesystem::path(walletFile).filename() != walletFile) { - return InitError(_("-wallet parameter must only specify a filename (not a path)")); - } else if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) { - return InitError(_("Invalid characters in -wallet filename")); - } - - CWallet * const pwallet = CreateWalletFromFile(walletFile); - if (!pwallet) { - return false; + for (const std::string& walletFile : gArgs.GetArgs("-wallet")) { + CWallet * const pwallet = CreateWalletFromFile(walletFile); + if (!pwallet) { + return false; + } + vpwallets.push_back(pwallet); } - pwalletMain = pwallet; return true; } @@ -3964,6 +3964,9 @@ void CWallet::postInitProcess(CScheduler& scheduler) bool CWallet::ParameterInteraction() { + SoftSetArg("-wallet", DEFAULT_WALLET_DAT); + const bool is_multiwallet = gArgs.GetArgs("-wallet").size() > 1; + if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) return true; @@ -3972,15 +3975,27 @@ bool CWallet::ParameterInteraction() } if (GetBoolArg("-salvagewallet", false) && SoftSetBoolArg("-rescan", true)) { + if (is_multiwallet) { + return InitError(strprintf("%s is only allowed with a single wallet file", "-salvagewallet")); + } // Rewrite just private keys: rescan to find transactions LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__); } // -zapwallettx implies a rescan if (GetBoolArg("-zapwallettxes", false) && SoftSetBoolArg("-rescan", true)) { + if (is_multiwallet) { + return InitError(strprintf("%s is only allowed with a single wallet file", "-zapwallettxes")); + } LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__); } + if (is_multiwallet) { + if (GetBoolArg("-upgradewallet", false)) { + return InitError(strprintf("%s is only allowed with a single wallet file", "-upgradewallet")); + } + } + if (GetBoolArg("-sysperms", false)) return InitError("-sysperms is not allowed in combination with enabled wallet functionality"); if (GetArg("-prune", 0) && GetBoolArg("-rescan", false)) diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index a3974bf00b..6c6eb69180 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -29,7 +29,8 @@ #include <utility> #include <vector> -extern CWallet* pwalletMain; +typedef CWallet* CWalletRef; +extern std::vector<CWalletRef> vpwallets; /** * Settings @@ -136,10 +137,7 @@ public: std::string name; std::string purpose; - CAddressBookData() - { - purpose = "unknown"; - } + CAddressBookData() : purpose("unknown") {} typedef std::map<std::string, std::string> StringMap; StringMap destdata; @@ -785,6 +783,7 @@ public: nMasterKeyMaxID = 0; pwalletdbEncryption = NULL; nOrderPosNext = 0; + nAccountingEntryNumber = 0; nNextResend = 0; nLastResend = 0; nTimeFirstKey = 0; @@ -802,6 +801,7 @@ public: TxItems wtxOrdered; int64_t nOrderPosNext; + uint64_t nAccountingEntryNumber; std::map<uint256, int> mapRequestCount; std::map<CTxDestination, CAddressBookData> mapAddressBook; @@ -935,7 +935,7 @@ public: * Insert additional inputs into the transaction by * calling CreateTransaction(); */ - bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey = true, const CTxDestination& destChange = CNoDestination()); + bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl, bool keepReserveKey = true); bool SignTransaction(CMutableTransaction& tx); /** diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp index 342c797dd3..7731fa5631 100644 --- a/src/wallet/walletdb.cpp +++ b/src/wallet/walletdb.cpp @@ -18,63 +18,50 @@ #include <atomic> -#include <boost/version.hpp> #include <boost/foreach.hpp> #include <boost/thread.hpp> -static uint64_t nAccountingEntryNumber = 0; - -static std::atomic<unsigned int> nWalletDBUpdateCounter; - // // CWalletDB // bool CWalletDB::WriteName(const std::string& strAddress, const std::string& strName) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("name"), strAddress), strName); + return WriteIC(std::make_pair(std::string("name"), strAddress), strName); } bool CWalletDB::EraseName(const std::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. - nWalletDBUpdateCounter++; - return batch.Erase(std::make_pair(std::string("name"), strAddress)); + return EraseIC(std::make_pair(std::string("name"), strAddress)); } bool CWalletDB::WritePurpose(const std::string& strAddress, const std::string& strPurpose) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("purpose"), strAddress), strPurpose); + return WriteIC(std::make_pair(std::string("purpose"), strAddress), strPurpose); } bool CWalletDB::ErasePurpose(const std::string& strPurpose) { - nWalletDBUpdateCounter++; - return batch.Erase(std::make_pair(std::string("purpose"), strPurpose)); + return EraseIC(std::make_pair(std::string("purpose"), strPurpose)); } bool CWalletDB::WriteTx(const CWalletTx& wtx) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("tx"), wtx.GetHash()), wtx); + return WriteIC(std::make_pair(std::string("tx"), wtx.GetHash()), wtx); } bool CWalletDB::EraseTx(uint256 hash) { - nWalletDBUpdateCounter++; - return batch.Erase(std::make_pair(std::string("tx"), hash)); + return EraseIC(std::make_pair(std::string("tx"), hash)); } bool CWalletDB::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata& keyMeta) { - nWalletDBUpdateCounter++; - - if (!batch.Write(std::make_pair(std::string("keymeta"), vchPubKey), - keyMeta, false)) + if (!WriteIC(std::make_pair(std::string("keymeta"), vchPubKey), keyMeta, false)) { return false; + } // hash pubkey/privkey to accelerate wallet load std::vector<unsigned char> vchKey; @@ -82,7 +69,7 @@ bool CWalletDB::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, c vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end()); vchKey.insert(vchKey.end(), vchPrivKey.begin(), vchPrivKey.end()); - return batch.Write(std::make_pair(std::string("key"), vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey.begin(), vchKey.end())), false); + return WriteIC(std::make_pair(std::string("key"), vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey.begin(), vchKey.end())), false); } bool CWalletDB::WriteCryptedKey(const CPubKey& vchPubKey, @@ -90,55 +77,53 @@ bool CWalletDB::WriteCryptedKey(const CPubKey& vchPubKey, const CKeyMetadata &keyMeta) { const bool fEraseUnencryptedKey = true; - nWalletDBUpdateCounter++; - if (!batch.Write(std::make_pair(std::string("keymeta"), vchPubKey), - keyMeta)) + if (!WriteIC(std::make_pair(std::string("keymeta"), vchPubKey), keyMeta)) { return false; + } - if (!batch.Write(std::make_pair(std::string("ckey"), vchPubKey), vchCryptedSecret, false)) + if (!WriteIC(std::make_pair(std::string("ckey"), vchPubKey), vchCryptedSecret, false)) { return false; + } if (fEraseUnencryptedKey) { - batch.Erase(std::make_pair(std::string("key"), vchPubKey)); - batch.Erase(std::make_pair(std::string("wkey"), vchPubKey)); + EraseIC(std::make_pair(std::string("key"), vchPubKey)); + EraseIC(std::make_pair(std::string("wkey"), vchPubKey)); } + return true; } bool CWalletDB::WriteMasterKey(unsigned int nID, const CMasterKey& kMasterKey) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("mkey"), nID), kMasterKey, true); + return WriteIC(std::make_pair(std::string("mkey"), nID), kMasterKey, true); } bool CWalletDB::WriteCScript(const uint160& hash, const CScript& redeemScript) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("cscript"), hash), *(const CScriptBase*)(&redeemScript), false); + return WriteIC(std::make_pair(std::string("cscript"), hash), *(const CScriptBase*)(&redeemScript), false); } bool CWalletDB::WriteWatchOnly(const CScript &dest, const CKeyMetadata& keyMeta) { - nWalletDBUpdateCounter++; - if (!batch.Write(std::make_pair(std::string("watchmeta"), *(const CScriptBase*)(&dest)), keyMeta)) + if (!WriteIC(std::make_pair(std::string("watchmeta"), *(const CScriptBase*)(&dest)), keyMeta)) { return false; - return batch.Write(std::make_pair(std::string("watchs"), *(const CScriptBase*)(&dest)), '1'); + } + return WriteIC(std::make_pair(std::string("watchs"), *(const CScriptBase*)(&dest)), '1'); } bool CWalletDB::EraseWatchOnly(const CScript &dest) { - nWalletDBUpdateCounter++; - if (!batch.Erase(std::make_pair(std::string("watchmeta"), *(const CScriptBase*)(&dest)))) + if (!EraseIC(std::make_pair(std::string("watchmeta"), *(const CScriptBase*)(&dest)))) { return false; - return batch.Erase(std::make_pair(std::string("watchs"), *(const CScriptBase*)(&dest))); + } + return EraseIC(std::make_pair(std::string("watchs"), *(const CScriptBase*)(&dest))); } bool CWalletDB::WriteBestBlock(const CBlockLocator& locator) { - nWalletDBUpdateCounter++; - batch.Write(std::string("bestblock"), CBlockLocator()); // Write empty block locator so versions that require a merkle branch automatically rescan - return batch.Write(std::string("bestblock_nomerkle"), locator); + WriteIC(std::string("bestblock"), CBlockLocator()); // Write empty block locator so versions that require a merkle branch automatically rescan + return WriteIC(std::string("bestblock_nomerkle"), locator); } bool CWalletDB::ReadBestBlock(CBlockLocator& locator) @@ -149,14 +134,12 @@ bool CWalletDB::ReadBestBlock(CBlockLocator& locator) bool CWalletDB::WriteOrderPosNext(int64_t nOrderPosNext) { - nWalletDBUpdateCounter++; - return batch.Write(std::string("orderposnext"), nOrderPosNext); + return WriteIC(std::string("orderposnext"), nOrderPosNext); } bool CWalletDB::WriteDefaultKey(const CPubKey& vchPubKey) { - nWalletDBUpdateCounter++; - return batch.Write(std::string("defaultkey"), vchPubKey); + return WriteIC(std::string("defaultkey"), vchPubKey); } bool CWalletDB::ReadPool(int64_t nPool, CKeyPool& keypool) @@ -166,19 +149,17 @@ bool CWalletDB::ReadPool(int64_t nPool, CKeyPool& keypool) bool CWalletDB::WritePool(int64_t nPool, const CKeyPool& keypool) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("pool"), nPool), keypool); + return WriteIC(std::make_pair(std::string("pool"), nPool), keypool); } bool CWalletDB::ErasePool(int64_t nPool) { - nWalletDBUpdateCounter++; - return batch.Erase(std::make_pair(std::string("pool"), nPool)); + return EraseIC(std::make_pair(std::string("pool"), nPool)); } bool CWalletDB::WriteMinVersion(int nVersion) { - return batch.Write(std::string("minversion"), nVersion); + return WriteIC(std::string("minversion"), nVersion); } bool CWalletDB::ReadAccount(const std::string& strAccount, CAccount& account) @@ -189,17 +170,12 @@ bool CWalletDB::ReadAccount(const std::string& strAccount, CAccount& account) bool CWalletDB::WriteAccount(const std::string& strAccount, const CAccount& account) { - return batch.Write(std::make_pair(std::string("acc"), strAccount), account); + return WriteIC(std::make_pair(std::string("acc"), strAccount), account); } bool CWalletDB::WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccountingEntry& acentry) { - return batch.Write(std::make_pair(std::string("acentry"), std::make_pair(acentry.strAccount, nAccEntryNum)), acentry); -} - -bool CWalletDB::WriteAccountingEntry_Backend(const CAccountingEntry& acentry) -{ - return WriteAccountingEntry(++nAccountingEntryNumber, acentry); + return WriteIC(std::make_pair(std::string("acentry"), std::make_pair(acentry.strAccount, nAccEntryNum)), acentry); } CAmount CWalletDB::GetAccountCreditDebit(const std::string& strAccount) @@ -338,8 +314,9 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, ssKey >> strAccount; uint64_t nNumber; ssKey >> nNumber; - if (nNumber > nAccountingEntryNumber) - nAccountingEntryNumber = nNumber; + if (nNumber > pwallet->nAccountingEntryNumber) { + pwallet->nAccountingEntryNumber = nNumber; + } if (!wss.fAnyUnordered) { @@ -785,38 +762,39 @@ void MaybeCompactWalletDB() return; } - static unsigned int nLastSeen = CWalletDB::GetUpdateCounter(); - static unsigned int nLastFlushed = CWalletDB::GetUpdateCounter(); - static int64_t nLastWalletUpdate = GetTime(); + for (CWalletRef pwallet : vpwallets) { + CWalletDBWrapper& dbh = pwallet->GetDBHandle(); - if (nLastSeen != CWalletDB::GetUpdateCounter()) - { - nLastSeen = CWalletDB::GetUpdateCounter(); - nLastWalletUpdate = GetTime(); - } + unsigned int nUpdateCounter = dbh.nUpdateCounter; - if (nLastFlushed != CWalletDB::GetUpdateCounter() && GetTime() - nLastWalletUpdate >= 2) - { - if (CDB::PeriodicFlush(pwalletMain->GetDBHandle())) { - nLastFlushed = CWalletDB::GetUpdateCounter(); + if (dbh.nLastSeen != nUpdateCounter) { + dbh.nLastSeen = nUpdateCounter; + dbh.nLastWalletUpdate = GetTime(); + } + + if (dbh.nLastFlushed != nUpdateCounter && GetTime() - dbh.nLastWalletUpdate >= 2) { + if (CDB::PeriodicFlush(dbh)) { + dbh.nLastFlushed = nUpdateCounter; + } } } + fOneThread = false; } // // Try to (very carefully!) recover wallet file if there is a problem. // -bool CWalletDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue)) +bool CWalletDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& out_backup_filename) { - return CDB::Recover(filename, callbackDataIn, recoverKVcallback); + return CDB::Recover(filename, callbackDataIn, recoverKVcallback, out_backup_filename); } -bool CWalletDB::Recover(const std::string& filename) +bool CWalletDB::Recover(const std::string& filename, std::string& out_backup_filename) { // recover without a key filter callback // results in recovering all record types - return CWalletDB::Recover(filename, NULL, NULL); + return CWalletDB::Recover(filename, NULL, NULL, out_backup_filename); } bool CWalletDB::RecoverKeysOnlyFilter(void *callbackData, CDataStream ssKey, CDataStream ssValue) @@ -849,36 +827,23 @@ bool CWalletDB::VerifyEnvironment(const std::string& walletFile, const fs::path& bool CWalletDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr) { - return CDB::VerifyDatabaseFile(walletFile, dataDir, errorStr, warningStr, CWalletDB::Recover); + return CDB::VerifyDatabaseFile(walletFile, dataDir, warningStr, errorStr, CWalletDB::Recover); } bool CWalletDB::WriteDestData(const std::string &address, const std::string &key, const std::string &value) { - nWalletDBUpdateCounter++; - return batch.Write(std::make_pair(std::string("destdata"), std::make_pair(address, key)), value); + return WriteIC(std::make_pair(std::string("destdata"), std::make_pair(address, key)), value); } bool CWalletDB::EraseDestData(const std::string &address, const std::string &key) { - nWalletDBUpdateCounter++; - return batch.Erase(std::make_pair(std::string("destdata"), std::make_pair(address, key))); + return EraseIC(std::make_pair(std::string("destdata"), std::make_pair(address, key))); } bool CWalletDB::WriteHDChain(const CHDChain& chain) { - nWalletDBUpdateCounter++; - return batch.Write(std::string("hdchain"), chain); -} - -void CWalletDB::IncrementUpdateCounter() -{ - nWalletDBUpdateCounter++; -} - -unsigned int CWalletDB::GetUpdateCounter() -{ - return nWalletDBUpdateCounter; + return WriteIC(std::string("hdchain"), chain); } bool CWalletDB::TxnBegin() diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h index cd9fe279c5..d78f143ebd 100644 --- a/src/wallet/walletdb.h +++ b/src/wallet/walletdb.h @@ -140,9 +140,31 @@ public: */ class CWalletDB { +private: + template <typename K, typename T> + bool WriteIC(const K& key, const T& value, bool fOverwrite = true) + { + if (!batch.Write(key, value, fOverwrite)) { + return false; + } + m_dbw.IncrementUpdateCounter(); + return true; + } + + template <typename K> + bool EraseIC(const K& key) + { + if (!batch.Erase(key)) { + return false; + } + m_dbw.IncrementUpdateCounter(); + return true; + } + public: CWalletDB(CWalletDBWrapper& dbw, const char* pszMode = "r+", bool _fFlushOnClose = true) : - batch(dbw, pszMode, _fFlushOnClose) + batch(dbw, pszMode, _fFlushOnClose), + m_dbw(dbw) { } @@ -180,7 +202,6 @@ public: /// This writes directly to the database, and will not update the CWallet's cached accounting entries! /// Use wallet.AddAccountingEntry instead, to write *and* update its caches. bool WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccountingEntry& acentry); - bool WriteAccountingEntry_Backend(const CAccountingEntry& acentry); bool ReadAccount(const std::string& strAccount, CAccount& account); bool WriteAccount(const std::string& strAccount, const CAccount& account); @@ -197,9 +218,9 @@ public: DBErrors ZapWalletTx(std::vector<CWalletTx>& vWtx); DBErrors ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut); /* Try to (very carefully!) recover wallet database (with a possible key type filter) */ - static bool Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue)); + static bool Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& out_backup_filename); /* Recover convenience-function to bypass the key filter callback, called when verify fails, recovers everything */ - static bool Recover(const std::string& filename); + static bool Recover(const std::string& filename, std::string& out_backup_filename); /* Recover filter (used as callback), will only let keys (cryptographical keys) as KV/key-type pass through */ static bool RecoverKeysOnlyFilter(void *callbackData, CDataStream ssKey, CDataStream ssValue); /* Function to determine if a certain KV/key-type is a key (cryptographical key) type */ @@ -212,9 +233,6 @@ public: //! write the hdchain model (external chain child index counter) bool WriteHDChain(const CHDChain& chain); - static void IncrementUpdateCounter(); - static unsigned int GetUpdateCounter(); - //! Begin a new transaction bool TxnBegin(); //! Commit current transaction @@ -227,6 +245,7 @@ public: bool WriteVersion(int nVersion); private: CDB batch; + CWalletDBWrapper& m_dbw; CWalletDB(const CWalletDB&); void operator=(const CWalletDB&); |