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Merge #10976: [MOVEONLY] Move some static functions out of wallet.h/c…
…pp #10976 Move some static functions out of wallet.h/cpp This commit just moves a few function declarations and updates callers. Function bodies are moved in two followup MOVEONLY commits. This change is desirable because wallet.h/cpp are monolithic and hard to navigate, so pulling things out and grouping together pieces of related functionality should improve the organization. Another proximate motivation is the wallet process separation work in bitcoin/bitcoin#10973, where (at least initially) parameter parsing and fee estimation are still done in the main process rather than the wallet process, and having functions that run in different processes scrambled up throughout wallet.cpp is unnecessarily confusing. MOVEONLY: Fee functions wallet/wallet.cpp -> wallet/fees.cpp make it actual move only Signed-off-by: Pasta <pasta@dashboost.org> MOVEONLY: Init functions wallet/wallet.cpp -> wallet/init.cpp make it actual move only Signed-off-by: Pasta <pasta@dashboost.org> add keepass include Signed-off-by: Pasta <pasta@dashboost.org>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,87 @@ | ||
| // 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. | ||
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| #include "wallet/fees.h" | ||
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| #include "policy/policy.h" | ||
| #include "txmempool.h" | ||
| #include "util.h" | ||
| #include "validation.h" | ||
| #include "wallet/coincontrol.h" | ||
| #include "wallet/wallet.h" | ||
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| CAmount GetRequiredFee(unsigned int nTxBytes) | ||
| { | ||
| return std::max(CWallet::minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes)); | ||
| } | ||
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| 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 | ||
| bool conservative_estimate = true; | ||
| // 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; | ||
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| 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; | ||
| } | ||
| } | ||
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| // 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; | ||
| } | ||
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| 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; | ||
| } |
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|---|---|---|
| @@ -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. | ||
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| #ifndef BITCOIN_WALLET_FEES_H | ||
| #define BITCOIN_WALLET_FEES_H | ||
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| #include "amount.h" | ||
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| class CBlockPolicyEstimator; | ||
| class CCoinControl; | ||
| class CFeeRate; | ||
| class CTxMemPool; | ||
| struct FeeCalculation; | ||
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| /** | ||
| * Return the minimum required fee taking into account the | ||
| * floating relay fee and user set minimum transaction fee | ||
| */ | ||
| CAmount GetRequiredFee(unsigned int nTxBytes); | ||
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| /** | ||
| * 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); | ||
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| /** | ||
| * Return the maximum feerate for discarding change. | ||
| */ | ||
| CFeeRate GetDiscardRate(const CBlockPolicyEstimator& estimator); | ||
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| #endif // BITCOIN_WALLET_FEES_H |
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