From e7fe3208a83c170e50407d703525f1b4cbf337a3 Mon Sep 17 00:00:00 2001 From: Russell Yanofsky Date: Wed, 2 Aug 2017 07:44:05 -0400 Subject: [PATCH] MOVEONLY: Fee functions wallet/wallet.cpp -> wallet/fees.cpp --- src/wallet/fees.cpp | 76 +++++++++++++++++++++++++++++++++++++++++++ src/wallet/wallet.cpp | 76 ------------------------------------------- 2 files changed, 76 insertions(+), 76 deletions(-) diff --git a/src/wallet/fees.cpp b/src/wallet/fees.cpp index 3a9e68354d..76eeeeda05 100644 --- a/src/wallet/fees.cpp +++ b/src/wallet/fees.cpp @@ -11,3 +11,79 @@ #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/wallet.cpp b/src/wallet/wallet.cpp index a9b6152751..1f12d03b57 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -2600,17 +2600,6 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nC return true; } -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& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, const CCoinControl& coin_control, bool sign) { @@ -3032,71 +3021,6 @@ bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry, CWalletDB *pwa return true; } -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; -} - - - - DBErrors CWallet::LoadWallet(bool& fFirstRunRet) { fFirstRunRet = false;