diff options
Diffstat (limited to 'src/wallet')
| -rw-r--r-- | src/wallet/feebumper.cpp | 5 | ||||
| -rw-r--r-- | src/wallet/fees.cpp | 89 | ||||
| -rw-r--r-- | src/wallet/fees.h | 34 | ||||
| -rw-r--r-- | src/wallet/init.cpp | 247 | ||||
| -rw-r--r-- | src/wallet/init.h | 25 | ||||
| -rw-r--r-- | src/wallet/rpcwallet.cpp | 3 | ||||
| -rw-r--r-- | src/wallet/wallet.cpp | 312 | ||||
| -rw-r--r-- | src/wallet/wallet.h | 22 |
8 files changed, 401 insertions, 336 deletions
diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp index 4c0e3a5fe1..6abd060714 100644 --- a/src/wallet/feebumper.cpp +++ b/src/wallet/feebumper.cpp @@ -5,6 +5,7 @@ #include "consensus/validation.h" #include "wallet/coincontrol.h" #include "wallet/feebumper.h" +#include "wallet/fees.h" #include "wallet/wallet.h" #include "policy/fees.h" #include "policy/policy.h" @@ -156,7 +157,7 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin currentResult = BumpFeeResult::INVALID_PARAMETER; return; } - CAmount requiredFee = CWallet::GetRequiredFee(maxNewTxSize); + CAmount requiredFee = GetRequiredFee(maxNewTxSize); if (totalFee < requiredFee) { vErrors.push_back(strprintf("Insufficient totalFee (cannot be less than required fee %s)", FormatMoney(requiredFee))); @@ -166,7 +167,7 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin nNewFee = totalFee; nNewFeeRate = CFeeRate(totalFee, maxNewTxSize); } else { - nNewFee = CWallet::GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */); + nNewFee = GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */); nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize); // New fee rate must be at least old rate + minimum incremental relay rate diff --git a/src/wallet/fees.cpp b/src/wallet/fees.cpp new file mode 100644 index 0000000000..76eeeeda05 --- /dev/null +++ b/src/wallet/fees.cpp @@ -0,0 +1,89 @@ +// 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/fees.h" + +#include "policy/policy.h" +#include "txmempool.h" +#include "util.h" +#include "validation.h" +#include "wallet/coincontrol.h" +#include "wallet/wallet.h" + + +CAmount GetRequiredFee(unsigned int nTxBytes) +{ + return std::max(CWallet::minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes)); +} + + +CAmount GetMinimumFee(unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc) +{ + /* User control of how to calculate fee uses the following parameter precedence: + 1. coin_control.m_feerate + 2. coin_control.m_confirm_target + 3. payTxFee (user-set global variable) + 4. nTxConfirmTarget (user-set global variable) + The first parameter that is set is used. + */ + CAmount fee_needed; + if (coin_control.m_feerate) { // 1. + fee_needed = coin_control.m_feerate->GetFee(nTxBytes); + if (feeCalc) feeCalc->reason = FeeReason::PAYTXFEE; + // Allow to override automatic min/max check over coin control instance + if (coin_control.fOverrideFeeRate) return fee_needed; + } + else if (!coin_control.m_confirm_target && ::payTxFee != CFeeRate(0)) { // 3. TODO: remove magic value of 0 for global payTxFee + fee_needed = ::payTxFee.GetFee(nTxBytes); + if (feeCalc) feeCalc->reason = FeeReason::PAYTXFEE; + } + else { // 2. or 4. + // We will use smart fee estimation + unsigned int target = coin_control.m_confirm_target ? *coin_control.m_confirm_target : ::nTxConfirmTarget; + // By default estimates are economical iff we are signaling opt-in-RBF + bool conservative_estimate = !coin_control.signalRbf; + // Allow to override the default fee estimate mode over the CoinControl instance + if (coin_control.m_fee_mode == FeeEstimateMode::CONSERVATIVE) conservative_estimate = true; + else if (coin_control.m_fee_mode == FeeEstimateMode::ECONOMICAL) conservative_estimate = false; + + fee_needed = estimator.estimateSmartFee(target, feeCalc, conservative_estimate).GetFee(nTxBytes); + if (fee_needed == 0) { + // if we don't have enough data for estimateSmartFee, then use fallbackFee + fee_needed = CWallet::fallbackFee.GetFee(nTxBytes); + if (feeCalc) feeCalc->reason = FeeReason::FALLBACK; + } + // Obey mempool min fee when using smart fee estimation + CAmount min_mempool_fee = pool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFee(nTxBytes); + if (fee_needed < min_mempool_fee) { + fee_needed = min_mempool_fee; + if (feeCalc) feeCalc->reason = FeeReason::MEMPOOL_MIN; + } + } + + // prevent user from paying a fee below minRelayTxFee or minTxFee + CAmount required_fee = GetRequiredFee(nTxBytes); + if (required_fee > fee_needed) { + fee_needed = required_fee; + if (feeCalc) feeCalc->reason = FeeReason::REQUIRED; + } + // But always obey the maximum + if (fee_needed > maxTxFee) { + fee_needed = maxTxFee; + if (feeCalc) feeCalc->reason = FeeReason::MAXTXFEE; + } + return fee_needed; +} + + +CFeeRate GetDiscardRate(const CBlockPolicyEstimator& estimator) +{ + unsigned int highest_target = estimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE); + CFeeRate discard_rate = estimator.estimateSmartFee(highest_target, nullptr /* FeeCalculation */, false /* conservative */); + // Don't let discard_rate be greater than longest possible fee estimate if we get a valid fee estimate + discard_rate = (discard_rate == CFeeRate(0)) ? CWallet::m_discard_rate : std::min(discard_rate, CWallet::m_discard_rate); + // Discard rate must be at least dustRelayFee + discard_rate = std::max(discard_rate, ::dustRelayFee); + return discard_rate; +} diff --git a/src/wallet/fees.h b/src/wallet/fees.h new file mode 100644 index 0000000000..7b8a7dc868 --- /dev/null +++ b/src/wallet/fees.h @@ -0,0 +1,34 @@ +// 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. + +#ifndef BITCOIN_WALLET_FEES_H +#define BITCOIN_WALLET_FEES_H + +#include "amount.h" + +class CBlockPolicyEstimator; +class CCoinControl; +class CFeeRate; +class CTxMemPool; +struct FeeCalculation; + +/** + * Return the minimum required fee taking into account the + * floating relay fee and user set minimum transaction fee + */ +CAmount GetRequiredFee(unsigned int nTxBytes); + +/** + * Estimate the minimum fee considering user set parameters + * and the required fee + */ +CAmount GetMinimumFee(unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc); + +/** + * Return the maximum feerate for discarding change. + */ +CFeeRate GetDiscardRate(const CBlockPolicyEstimator& estimator); + +#endif // BITCOIN_WALLET_FEES_H diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp new file mode 100644 index 0000000000..18365b1b72 --- /dev/null +++ b/src/wallet/init.cpp @@ -0,0 +1,247 @@ +// 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; +} diff --git a/src/wallet/init.h b/src/wallet/init.h new file mode 100644 index 0000000000..fa2251506d --- /dev/null +++ b/src/wallet/init.h @@ -0,0 +1,25 @@ +// 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. + +#ifndef BITCOIN_WALLET_INIT_H +#define BITCOIN_WALLET_INIT_H + +#include <string> + +//! Return the wallets help message. +std::string GetWalletHelpString(bool showDebug); + +//! Wallets parameter interaction +bool WalletParameterInteraction(); + +//! Responsible for reading and validating the -wallet arguments and verifying the wallet database. +// This function will perform salvage on the wallet if requested, as long as only one wallet is +// being loaded (CWallet::ParameterInteraction forbids -salvagewallet, -zapwallettxes or -upgradewallet with multiwallet). +bool WalletVerify(); + +//! Load wallet databases. +bool InitLoadWallet(); + +#endif // BITCOIN_WALLET_INIT_H diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 513f7b32a5..4ea53c4132 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -8,7 +8,6 @@ #include "chain.h" #include "consensus/validation.h" #include "core_io.h" -#include "init.h" #include "httpserver.h" #include "validation.h" #include "net.h" @@ -27,6 +26,8 @@ #include "wallet/wallet.h" #include "wallet/walletdb.h" +#include <init.h> // For StartShutdown + #include <stdint.h> #include <univalue.h> diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 8c0daf6cbe..3cb0c308fd 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -30,6 +30,7 @@ #include "util.h" #include "ui_interface.h" #include "utilmoneystr.h" +#include "wallet/fees.h" #include <assert.h> @@ -494,63 +495,6 @@ void CWallet::Flush(bool shutdown) dbw->Flush(shutdown); } -bool CWallet::Verify() -{ - 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; -} - void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range) { // We want all the wallet transactions in range to have the same metadata as @@ -2608,17 +2552,6 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nC return true; } -static CFeeRate GetDiscardRate(const CBlockPolicyEstimator& estimator) -{ - unsigned int highest_target = estimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE); - CFeeRate discard_rate = estimator.estimateSmartFee(highest_target, nullptr /* FeeCalculation */, false /* conservative */); - // Don't let discard_rate be greater than longest possible fee estimate if we get a valid fee estimate - discard_rate = (discard_rate == CFeeRate(0)) ? CWallet::m_discard_rate : std::min(discard_rate, CWallet::m_discard_rate); - // Discard rate must be at least dustRelayFee - discard_rate = std::max(discard_rate, ::dustRelayFee); - return discard_rate; -} - bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, const CCoinControl& coin_control, bool sign) { @@ -3043,71 +2976,6 @@ bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry, CWalletDB *pwa return true; } -CAmount CWallet::GetRequiredFee(unsigned int nTxBytes) -{ - return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes)); -} - -CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc) -{ - /* User control of how to calculate fee uses the following parameter precedence: - 1. coin_control.m_feerate - 2. coin_control.m_confirm_target - 3. payTxFee (user-set global variable) - 4. nTxConfirmTarget (user-set global variable) - The first parameter that is set is used. - */ - CAmount fee_needed; - if (coin_control.m_feerate) { // 1. - fee_needed = coin_control.m_feerate->GetFee(nTxBytes); - if (feeCalc) feeCalc->reason = FeeReason::PAYTXFEE; - // Allow to override automatic min/max check over coin control instance - if (coin_control.fOverrideFeeRate) return fee_needed; - } - else if (!coin_control.m_confirm_target && ::payTxFee != CFeeRate(0)) { // 3. TODO: remove magic value of 0 for global payTxFee - fee_needed = ::payTxFee.GetFee(nTxBytes); - if (feeCalc) feeCalc->reason = FeeReason::PAYTXFEE; - } - else { // 2. or 4. - // We will use smart fee estimation - unsigned int target = coin_control.m_confirm_target ? *coin_control.m_confirm_target : ::nTxConfirmTarget; - // By default estimates are economical iff we are signaling opt-in-RBF - bool conservative_estimate = !coin_control.signalRbf; - // Allow to override the default fee estimate mode over the CoinControl instance - if (coin_control.m_fee_mode == FeeEstimateMode::CONSERVATIVE) conservative_estimate = true; - else if (coin_control.m_fee_mode == FeeEstimateMode::ECONOMICAL) conservative_estimate = false; - - fee_needed = estimator.estimateSmartFee(target, feeCalc, conservative_estimate).GetFee(nTxBytes); - if (fee_needed == 0) { - // if we don't have enough data for estimateSmartFee, then use fallbackFee - fee_needed = fallbackFee.GetFee(nTxBytes); - if (feeCalc) feeCalc->reason = FeeReason::FALLBACK; - } - // Obey mempool min fee when using smart fee estimation - CAmount min_mempool_fee = pool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFee(nTxBytes); - if (fee_needed < min_mempool_fee) { - fee_needed = min_mempool_fee; - if (feeCalc) feeCalc->reason = FeeReason::MEMPOOL_MIN; - } - } - - // prevent user from paying a fee below minRelayTxFee or minTxFee - CAmount required_fee = GetRequiredFee(nTxBytes); - if (required_fee > fee_needed) { - fee_needed = required_fee; - if (feeCalc) feeCalc->reason = FeeReason::REQUIRED; - } - // But always obey the maximum - if (fee_needed > maxTxFee) { - fee_needed = maxTxFee; - if (feeCalc) feeCalc->reason = FeeReason::MAXTXFEE; - } - return fee_needed; -} - - - - DBErrors CWallet::LoadWallet(bool& fFirstRunRet) { fFirstRunRet = false; @@ -3888,46 +3756,6 @@ std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const return values; } -std::string CWallet::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; -} - CWallet* CWallet::CreateWalletFromFile(const std::string walletFile) { // needed to restore wallet transaction meta data after -zapwallettxes @@ -4116,24 +3944,6 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile) return walletInstance; } -bool CWallet::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 = CreateWalletFromFile(walletFile); - if (!pwallet) { - return false; - } - vpwallets.push_back(pwallet); - } - - return true; -} - std::atomic<bool> CWallet::fFlushScheduled(false); void CWallet::postInitProcess(CScheduler& scheduler) @@ -4148,126 +3958,6 @@ void CWallet::postInitProcess(CScheduler& scheduler) } } -bool CWallet::ParameterInteraction() -{ - 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 CWallet::BackupWallet(const std::string& strDest) { return dbw->Backup(strDest); diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index cfe156e238..73ad3bdeca 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -958,16 +958,6 @@ public: static CFeeRate minTxFee; static CFeeRate fallbackFee; static CFeeRate m_discard_rate; - /** - * Estimate the minimum fee considering user set parameters - * and the required fee - */ - static CAmount GetMinimumFee(unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation *feeCalc); - /** - * Return the minimum required fee taking into account the - * floating relay fee and user set minimum transaction fee - */ - static CAmount GetRequiredFee(unsigned int nTxBytes); bool NewKeyPool(); size_t KeypoolCountExternalKeys(); @@ -1054,11 +1044,6 @@ public: //! Flush wallet (bitdb flush) void Flush(bool shutdown=false); - //! Responsible for reading and validating the -wallet arguments and verifying the wallet database. - // This function will perform salvage on the wallet if requested, as long as only one wallet is - // being loaded (CWallet::ParameterInteraction forbids -salvagewallet, -zapwallettxes or -upgradewallet with multiwallet). - static bool Verify(); - /** * Address book entry changed. * @note called with lock cs_wallet held. @@ -1095,12 +1080,8 @@ public: /** Mark a transaction as replaced by another transaction (e.g., BIP 125). */ bool MarkReplaced(const uint256& originalHash, const uint256& newHash); - /* Returns the wallets help message */ - static std::string GetWalletHelpString(bool showDebug); - /* Initializes the wallet, returns a new CWallet instance or a null pointer in case of an error */ static CWallet* CreateWalletFromFile(const std::string walletFile); - static bool InitLoadWallet(); /** * Wallet post-init setup @@ -1108,9 +1089,6 @@ public: */ void postInitProcess(CScheduler& scheduler); - /* Wallets parameter interaction */ - static bool ParameterInteraction(); - bool BackupWallet(const std::string& strDest); /* Set the HD chain model (chain child index counters) */ |