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-rw-r--r--src/wallet/init.cpp247
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diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
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+++ b/src/wallet/init.cpp
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+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "wallet/init.h"
+
+#include "net.h"
+#include "util.h"
+#include "utilmoneystr.h"
+#include "validation.h"
+#include "wallet/wallet.h"
+
+std::string GetWalletHelpString(bool showDebug)
+{
+ std::string strUsage = HelpMessageGroup(_("Wallet options:"));
+ strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
+ strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), DEFAULT_KEYPOOL_SIZE));
+ strUsage += HelpMessageOpt("-fallbackfee=<amt>", strprintf(_("A fee rate (in %s/kB) that will be used when fee estimation has insufficient data (default: %s)"),
+ CURRENCY_UNIT, FormatMoney(DEFAULT_FALLBACK_FEE)));
+ strUsage += HelpMessageOpt("-discardfee=<amt>", strprintf(_("The fee rate (in %s/kB) that indicates your tolerance for discarding change by adding it to the fee (default: %s). "
+ "Note: An output is discarded if it is dust at this rate, but we will always discard up to the dust relay fee and a discard fee above that is limited by the fee estimate for the longest target"),
+ CURRENCY_UNIT, FormatMoney(DEFAULT_DISCARD_FEE)));
+ strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)"),
+ CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MINFEE)));
+ strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
+ CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
+ strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions on startup"));
+ strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet on startup"));
+ strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), DEFAULT_SPEND_ZEROCONF_CHANGE));
+ strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET));
+ strUsage += HelpMessageOpt("-usehd", _("Use hierarchical deterministic key generation (HD) after BIP32. Only has effect during wallet creation/first start") + " " + strprintf(_("(default: %u)"), DEFAULT_USE_HD_WALLET));
+ strUsage += HelpMessageOpt("-walletrbf", strprintf(_("Send transactions with full-RBF opt-in enabled (default: %u)"), DEFAULT_WALLET_RBF));
+ strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format on startup"));
+ strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), DEFAULT_WALLET_DAT));
+ strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), DEFAULT_WALLETBROADCAST));
+ strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
+ strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
+ " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
+
+ if (showDebug)
+ {
+ strUsage += HelpMessageGroup(_("Wallet debugging/testing options:"));
+
+ strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush wallet database activity from memory to disk log every <n> megabytes (default: %u)", DEFAULT_WALLET_DBLOGSIZE));
+ strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", DEFAULT_FLUSHWALLET));
+ strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", DEFAULT_WALLET_PRIVDB));
+ strUsage += HelpMessageOpt("-walletrejectlongchains", strprintf(_("Wallet will not create transactions that violate mempool chain limits (default: %u)"), DEFAULT_WALLET_REJECT_LONG_CHAINS));
+ }
+
+ return strUsage;
+}
+
+bool WalletParameterInteraction()
+{
+ gArgs.SoftSetArg("-wallet", DEFAULT_WALLET_DAT);
+ const bool is_multiwallet = gArgs.GetArgs("-wallet").size() > 1;
+
+ if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET))
+ return true;
+
+ if (gArgs.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY) && gArgs.SoftSetBoolArg("-walletbroadcast", false)) {
+ LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -walletbroadcast=0\n", __func__);
+ }
+
+ if (gArgs.GetBoolArg("-salvagewallet", false)) {
+ if (is_multiwallet) {
+ return InitError(strprintf("%s is only allowed with a single wallet file", "-salvagewallet"));
+ }
+ // Rewrite just private keys: rescan to find transactions
+ if (gArgs.SoftSetBoolArg("-rescan", true)) {
+ LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
+ }
+ }
+
+ int zapwallettxes = gArgs.GetArg("-zapwallettxes", 0);
+ // -zapwallettxes implies dropping the mempool on startup
+ if (zapwallettxes != 0 && gArgs.SoftSetBoolArg("-persistmempool", false)) {
+ LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -persistmempool=0\n", __func__, zapwallettxes);
+ }
+
+ // -zapwallettxes implies a rescan
+ if (zapwallettxes != 0) {
+ if (is_multiwallet) {
+ return InitError(strprintf("%s is only allowed with a single wallet file", "-zapwallettxes"));
+ }
+ if (gArgs.SoftSetBoolArg("-rescan", true)) {
+ LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -rescan=1\n", __func__, zapwallettxes);
+ }
+ }
+
+ if (is_multiwallet) {
+ if (gArgs.GetBoolArg("-upgradewallet", false)) {
+ return InitError(strprintf("%s is only allowed with a single wallet file", "-upgradewallet"));
+ }
+ }
+
+ if (gArgs.GetBoolArg("-sysperms", false))
+ return InitError("-sysperms is not allowed in combination with enabled wallet functionality");
+ if (gArgs.GetArg("-prune", 0) && gArgs.GetBoolArg("-rescan", false))
+ return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again."));
+
+ if (::minRelayTxFee.GetFeePerK() > HIGH_TX_FEE_PER_KB)
+ InitWarning(AmountHighWarn("-minrelaytxfee") + " " +
+ _("The wallet will avoid paying less than the minimum relay fee."));
+
+ if (gArgs.IsArgSet("-mintxfee"))
+ {
+ CAmount n = 0;
+ if (!ParseMoney(gArgs.GetArg("-mintxfee", ""), n) || 0 == n)
+ return InitError(AmountErrMsg("mintxfee", gArgs.GetArg("-mintxfee", "")));
+ if (n > HIGH_TX_FEE_PER_KB)
+ InitWarning(AmountHighWarn("-mintxfee") + " " +
+ _("This is the minimum transaction fee you pay on every transaction."));
+ CWallet::minTxFee = CFeeRate(n);
+ }
+ if (gArgs.IsArgSet("-fallbackfee"))
+ {
+ CAmount nFeePerK = 0;
+ if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK))
+ return InitError(strprintf(_("Invalid amount for -fallbackfee=<amount>: '%s'"), gArgs.GetArg("-fallbackfee", "")));
+ if (nFeePerK > HIGH_TX_FEE_PER_KB)
+ InitWarning(AmountHighWarn("-fallbackfee") + " " +
+ _("This is the transaction fee you may pay when fee estimates are not available."));
+ CWallet::fallbackFee = CFeeRate(nFeePerK);
+ }
+ if (gArgs.IsArgSet("-discardfee"))
+ {
+ CAmount nFeePerK = 0;
+ if (!ParseMoney(gArgs.GetArg("-discardfee", ""), nFeePerK))
+ return InitError(strprintf(_("Invalid amount for -discardfee=<amount>: '%s'"), gArgs.GetArg("-discardfee", "")));
+ if (nFeePerK > HIGH_TX_FEE_PER_KB)
+ InitWarning(AmountHighWarn("-discardfee") + " " +
+ _("This is the transaction fee you may discard if change is smaller than dust at this level"));
+ CWallet::m_discard_rate = CFeeRate(nFeePerK);
+ }
+ if (gArgs.IsArgSet("-paytxfee"))
+ {
+ CAmount nFeePerK = 0;
+ if (!ParseMoney(gArgs.GetArg("-paytxfee", ""), nFeePerK))
+ return InitError(AmountErrMsg("paytxfee", gArgs.GetArg("-paytxfee", "")));
+ if (nFeePerK > HIGH_TX_FEE_PER_KB)
+ InitWarning(AmountHighWarn("-paytxfee") + " " +
+ _("This is the transaction fee you will pay if you send a transaction."));
+
+ payTxFee = CFeeRate(nFeePerK, 1000);
+ if (payTxFee < ::minRelayTxFee)
+ {
+ return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
+ gArgs.GetArg("-paytxfee", ""), ::minRelayTxFee.ToString()));
+ }
+ }
+ if (gArgs.IsArgSet("-maxtxfee"))
+ {
+ CAmount nMaxFee = 0;
+ if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee))
+ return InitError(AmountErrMsg("maxtxfee", gArgs.GetArg("-maxtxfee", "")));
+ if (nMaxFee > HIGH_MAX_TX_FEE)
+ InitWarning(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction."));
+ maxTxFee = nMaxFee;
+ if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
+ {
+ return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
+ gArgs.GetArg("-maxtxfee", ""), ::minRelayTxFee.ToString()));
+ }
+ }
+ nTxConfirmTarget = gArgs.GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
+ bSpendZeroConfChange = gArgs.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
+ fWalletRbf = gArgs.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
+
+ return true;
+}
+
+bool WalletVerify()
+{
+ if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET))
+ return true;
+
+ uiInterface.InitMessage(_("Verifying wallet(s)..."));
+
+ // Keep track of each wallet absolute path to detect duplicates.
+ std::set<fs::path> wallet_paths;
+
+ for (const std::string& walletFile : gArgs.GetArgs("-wallet")) {
+ if (boost::filesystem::path(walletFile).filename() != walletFile) {
+ return InitError(strprintf(_("Error loading wallet %s. -wallet parameter must only specify a filename (not a path)."), walletFile));
+ }
+
+ if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) {
+ return InitError(strprintf(_("Error loading wallet %s. Invalid characters in -wallet filename."), walletFile));
+ }
+
+ fs::path wallet_path = fs::absolute(walletFile, GetDataDir());
+
+ if (fs::exists(wallet_path) && (!fs::is_regular_file(wallet_path) || fs::is_symlink(wallet_path))) {
+ return InitError(strprintf(_("Error loading wallet %s. -wallet filename must be a regular file."), walletFile));
+ }
+
+ if (!wallet_paths.insert(wallet_path).second) {
+ return InitError(strprintf(_("Error loading wallet %s. Duplicate -wallet filename specified."), walletFile));
+ }
+
+ std::string strError;
+ if (!CWalletDB::VerifyEnvironment(walletFile, GetDataDir().string(), strError)) {
+ return InitError(strError);
+ }
+
+ if (gArgs.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;
+ }
+ }
+
+ return true;
+}
+
+bool InitLoadWallet()
+{
+ if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
+ LogPrintf("Wallet disabled!\n");
+ return true;
+ }
+
+ for (const std::string& walletFile : gArgs.GetArgs("-wallet")) {
+ CWallet * const pwallet = CWallet::CreateWalletFromFile(walletFile);
+ if (!pwallet) {
+ return false;
+ }
+ vpwallets.push_back(pwallet);
+ }
+
+ return true;
+}