diff options
Diffstat (limited to 'src/wallet')
-rw-r--r-- | src/wallet/init.cpp | 64 | ||||
-rw-r--r-- | src/wallet/rpcwallet.cpp | 48 | ||||
-rw-r--r-- | src/wallet/wallet.cpp | 67 | ||||
-rw-r--r-- | src/wallet/wallet.h | 7 |
4 files changed, 129 insertions, 57 deletions
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp index 6c5522e4bc..5cfa864512 100644 --- a/src/wallet/init.cpp +++ b/src/wallet/init.cpp @@ -6,6 +6,7 @@ #include <chainparams.h> #include <init.h> #include <net.h> +#include <scheduler.h> #include <util.h> #include <utilmoneystr.h> #include <validation.h> @@ -189,55 +190,29 @@ bool WalletInit::Verify() const uiInterface.InitMessage(_("Verifying wallet(s)...")); + std::vector<std::string> wallet_files = gArgs.GetArgs("-wallet"); + + // Parameter interaction code should have thrown an error if -salvagewallet + // was enabled with more than wallet file, so the wallet_files size check + // here should have no effect. + bool salvage_wallet = gArgs.GetBoolArg("-salvagewallet", false) && wallet_files.size() <= 1; + // Keep track of each wallet absolute path to detect duplicates. std::set<fs::path> wallet_paths; - for (const std::string& walletFile : gArgs.GetArgs("-wallet")) { - // Do some checking on wallet path. It should be either a: - // - // 1. Path where a directory can be created. - // 2. Path to an existing directory. - // 3. Path to a symlink to a directory. - // 4. For backwards compatibility, the name of a data file in -walletdir. - fs::path wallet_path = fs::absolute(walletFile, GetWalletDir()); - fs::file_type path_type = fs::symlink_status(wallet_path).type(); - if (!(path_type == fs::file_not_found || path_type == fs::directory_file || - (path_type == fs::symlink_file && fs::is_directory(wallet_path)) || - (path_type == fs::regular_file && fs::path(walletFile).filename() == walletFile))) { - return InitError(strprintf( - _("Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and " - "database/log.?????????? files can be stored, a location where such a directory could be created, " - "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)"), - walletFile, GetWalletDir())); - } + for (const auto wallet_file : wallet_files) { + fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir()); if (!wallet_paths.insert(wallet_path).second) { - return InitError(strprintf(_("Error loading wallet %s. Duplicate -wallet filename specified."), walletFile)); - } - - std::string strError; - if (!WalletBatch::VerifyEnvironment(wallet_path, strError)) { - return InitError(strError); + return InitError(strprintf(_("Error loading wallet %s. Duplicate -wallet filename specified."), wallet_file)); } - if (gArgs.GetBoolArg("-salvagewallet", false)) { - // Recover readable keypairs: - CWallet dummyWallet("dummy", WalletDatabase::CreateDummy()); - std::string backup_filename; - if (!WalletBatch::Recover(wallet_path, (void *)&dummyWallet, WalletBatch::RecoverKeysOnlyFilter, backup_filename)) { - return false; - } - } - - std::string strWarning; - bool dbV = WalletBatch::VerifyDatabaseFile(wallet_path, strWarning, strError); - if (!strWarning.empty()) { - InitWarning(strWarning); - } - if (!dbV) { - InitError(strError); - return false; - } + std::string error_string; + std::string warning_string; + bool verify_success = CWallet::Verify(wallet_file, salvage_wallet, error_string, warning_string); + if (!error_string.empty()) InitError(error_string); + if (!warning_string.empty()) InitWarning(warning_string); + if (!verify_success) return false; } return true; @@ -264,8 +239,11 @@ bool WalletInit::Open() const void WalletInit::Start(CScheduler& scheduler) const { for (CWallet* pwallet : GetWallets()) { - pwallet->postInitProcess(scheduler); + pwallet->postInitProcess(); } + + // Run a thread to flush wallet periodically + scheduler.scheduleEvery(MaybeCompactWalletDB, 500); } void WalletInit::Flush() const diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index a7b2b05d9b..8cd3952837 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -2994,6 +2994,53 @@ static UniValue listwallets(const JSONRPCRequest& request) return obj; } +UniValue loadwallet(const JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() != 1) + throw std::runtime_error( + "loadwallet \"filename\"\n" + "\nLoads a wallet from a wallet file or directory." + "\nNote that all wallet command-line options used when starting bitcoind will be" + "\napplied to the new wallet (eg -zapwallettxes, upgradewallet, rescan, etc).\n" + "\nArguments:\n" + "1. \"filename\" (string, required) The wallet directory or .dat file.\n" + "\nResult:\n" + "{\n" + " \"name\" : <wallet_name>, (string) The wallet name if loaded successfully.\n" + " \"warning\" : <warning>, (string) Warning message if wallet was not loaded cleanly.\n" + "}\n" + "\nExamples:\n" + + HelpExampleCli("loadwallet", "\"test.dat\"") + + HelpExampleRpc("loadwallet", "\"test.dat\"") + ); + std::string wallet_file = request.params[0].get_str(); + std::string error; + + fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir()); + if (fs::symlink_status(wallet_path).type() == fs::file_not_found) { + throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Wallet " + wallet_file + " not found."); + } + + std::string warning; + if (!CWallet::Verify(wallet_file, false, error, warning)) { + throw JSONRPCError(RPC_WALLET_ERROR, "Wallet file verification failed: " + error); + } + + CWallet * const wallet = CWallet::CreateWalletFromFile(wallet_file, fs::absolute(wallet_file, GetWalletDir())); + if (!wallet) { + throw JSONRPCError(RPC_WALLET_ERROR, "Wallet loading failed."); + } + AddWallet(wallet); + + wallet->postInitProcess(); + + UniValue obj(UniValue::VOBJ); + obj.pushKV("name", wallet->GetName()); + obj.pushKV("warning", warning); + + return obj; +} + static UniValue resendwallettransactions(const JSONRPCRequest& request) { CWallet * const pwallet = GetWalletForJSONRPCRequest(request); @@ -4197,6 +4244,7 @@ static const CRPCCommand commands[] = { "wallet", "listtransactions", &listtransactions, {"account|dummy","count","skip","include_watchonly"} }, { "wallet", "listunspent", &listunspent, {"minconf","maxconf","addresses","include_unsafe","query_options"} }, { "wallet", "listwallets", &listwallets, {} }, + { "wallet", "loadwallet", &loadwallet, {"filename"} }, { "wallet", "lockunspent", &lockunspent, {"unlock","transactions"} }, { "wallet", "sendfrom", &sendfrom, {"fromaccount","toaddress","amount","minconf","comment","comment_to"} }, { "wallet", "sendmany", &sendmany, {"fromaccount|dummy","amounts","minconf","comment","subtractfeefrom","replaceable","conf_target","estimate_mode"} }, diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 5be9f4a290..74f36e9abe 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -23,11 +23,11 @@ #include <primitives/block.h> #include <primitives/transaction.h> #include <script/script.h> -#include <scheduler.h> #include <timedata.h> #include <txmempool.h> #include <utilmoneystr.h> #include <wallet/fees.h> +#include <wallet/walletutil.h> #include <algorithm> #include <assert.h> @@ -3990,6 +3990,52 @@ void CWallet::MarkPreSplitKeys() } } +bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string& error_string, std::string& warning_string) +{ + // Do some checking on wallet path. It should be either a: + // + // 1. Path where a directory can be created. + // 2. Path to an existing directory. + // 3. Path to a symlink to a directory. + // 4. For backwards compatibility, the name of a data file in -walletdir. + LOCK(cs_wallets); + fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir()); + fs::file_type path_type = fs::symlink_status(wallet_path).type(); + if (!(path_type == fs::file_not_found || path_type == fs::directory_file || + (path_type == fs::symlink_file && fs::is_directory(wallet_path)) || + (path_type == fs::regular_file && fs::path(wallet_file).filename() == wallet_file))) { + error_string = strprintf( + "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and " + "database/log.?????????? files can be stored, a location where such a directory could be created, " + "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)", + wallet_file, GetWalletDir()); + return false; + } + + // Make sure that the wallet path doesn't clash with an existing wallet path + for (auto wallet : GetWallets()) { + if (fs::absolute(wallet->GetName(), GetWalletDir()) == wallet_path) { + error_string = strprintf("Error loading wallet %s. Duplicate -wallet filename specified.", wallet_file); + return false; + } + } + + if (!WalletBatch::VerifyEnvironment(wallet_path, error_string)) { + return false; + } + + if (salvage_wallet) { + // Recover readable keypairs: + CWallet dummyWallet("dummy", WalletDatabase::CreateDummy()); + std::string backup_filename; + if (!WalletBatch::Recover(wallet_path, (void *)&dummyWallet, WalletBatch::RecoverKeysOnlyFilter, backup_filename)) { + return false; + } + } + + return WalletBatch::VerifyDatabaseFile(wallet_path, warning_string, error_string); +} + CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& path) { const std::string& walletFile = name; @@ -4012,7 +4058,10 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& int64_t nStart = GetTimeMillis(); bool fFirstRun = true; - CWallet *walletInstance = new CWallet(name, WalletDatabase::Create(path)); + // Make a temporary wallet unique pointer so memory doesn't get leaked if + // wallet creation fails. + auto temp_wallet = MakeUnique<CWallet>(name, WalletDatabase::Create(path)); + CWallet* walletInstance = temp_wallet.get(); DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun); if (nLoadWalletRet != DBErrors::LOAD_OK) { @@ -4224,7 +4273,6 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } walletInstance->m_last_block_processed = chainActive.Tip(); - RegisterValidationInterface(walletInstance); if (chainActive.Tip() && chainActive.Tip() != pindexRescan) { @@ -4290,6 +4338,10 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } } } + + // Register with the validation interface. It's ok to do this after rescan since we're still holding cs_main. + RegisterValidationInterface(temp_wallet.release()); + walletInstance->SetBroadcastTransactions(gArgs.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST)); { @@ -4302,18 +4354,11 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& return walletInstance; } -std::atomic<bool> CWallet::fFlushScheduled(false); - -void CWallet::postInitProcess(CScheduler& scheduler) +void CWallet::postInitProcess() { // Add wallet transactions that aren't already in a block to mempool // Do this here as mempool requires genesis block to be loaded ReacceptWalletTransactions(); - - // Run a thread to flush wallet periodically - if (!CWallet::fFlushScheduled.exchange(true)) { - scheduler.scheduleEvery(MaybeCompactWalletDB, 500); - } } bool CWallet::BackupWallet(const std::string& strDest) diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 1e23b44eae..fecc2178e4 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -68,7 +68,6 @@ class CCoinControl; class COutput; class CReserveKey; class CScript; -class CScheduler; class CTxMemPool; class CBlockPolicyEstimator; class CWalletTx; @@ -675,7 +674,6 @@ class WalletRescanReserver; //forward declarations for ScanForWalletTransactions class CWallet final : public CCryptoKeyStore, public CValidationInterface { private: - static std::atomic<bool> fFlushScheduled; std::atomic<bool> fAbortRescan{false}; std::atomic<bool> fScanningWallet{false}; // controlled by WalletRescanReserver std::mutex mutexScanning; @@ -1120,6 +1118,9 @@ public: /** Mark a transaction as replaced by another transaction (e.g., BIP 125). */ bool MarkReplaced(const uint256& originalHash, const uint256& newHash); + //! Verify wallet naming and perform salvage on the wallet if required + static bool Verify(std::string wallet_file, bool salvage_wallet, std::string& error_string, std::string& warning_string); + /* Initializes the wallet, returns a new CWallet instance or a null pointer in case of an error */ static CWallet* CreateWalletFromFile(const std::string& name, const fs::path& path); @@ -1127,7 +1128,7 @@ public: * Wallet post-init setup * Gives the wallet a chance to register repetitive tasks and complete post-init tasks */ - void postInitProcess(CScheduler& scheduler); + void postInitProcess(); bool BackupWallet(const std::string& strDest); |