From d507c301bc49c72ed7303658a309e7d204134f80 Mon Sep 17 00:00:00 2001
From: Alex Morcos <morcos@chaincode.com>
Date: Tue, 13 Jun 2017 11:28:30 -0400
Subject: Introduce a fee estimate mode.

GetMinimumFee now passes the conservative argument into estimateSmartFee.
Call CalculateEstimateType(mode) before calling GetMinimumFee or estimateSmartFee to determine the value of this argument.
CCoinControl can now be used to control this mode.
---
 src/qt/coincontroldialog.cpp | 6 ++++--
 src/qt/sendcoinsdialog.cpp   | 3 ++-
 src/qt/walletmodel.cpp       | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)

(limited to 'src/qt')

diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
index 10a8d6b887..477cee1c04 100644
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -490,6 +490,8 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
         else nBytesInputs += 148;
     }
 
+    bool conservative_estimate = CalculateEstimateType(FeeEstimateMode::UNSET);
+
     // calculation
     if (nQuantity > 0)
     {
@@ -510,7 +512,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
                 nBytes -= 34;
 
         // Fee
-        nPayFee = CWallet::GetMinimumFee(nBytes, coinControl->nConfirmTarget, ::mempool, ::feeEstimator, nullptr /* FeeCalculation */, false /* ignoreGlobalPayTxFee */);
+        nPayFee = CWallet::GetMinimumFee(nBytes, coinControl->nConfirmTarget, ::mempool, ::feeEstimator, nullptr /* FeeCalculation */, false /* ignoreGlobalPayTxFee */, conservative_estimate);
 
         if (nPayAmount > 0)
         {
@@ -585,7 +587,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
     if (payTxFee.GetFeePerK() > 0)
         dFeeVary = (double)std::max(CWallet::GetRequiredFee(1000), payTxFee.GetFeePerK()) / 1000;
     else {
-        dFeeVary = (double)std::max(CWallet::GetRequiredFee(1000), ::feeEstimator.estimateSmartFee(coinControl->nConfirmTarget, NULL, ::mempool).GetFeePerK()) / 1000;
+        dFeeVary = (double)std::max(CWallet::GetRequiredFee(1000), ::feeEstimator.estimateSmartFee(coinControl->nConfirmTarget, NULL, ::mempool, conservative_estimate).GetFeePerK()) / 1000;
     }
     QString toolTip4 = tr("Can vary +/- %1 satoshi(s) per input.").arg(dFeeVary);
 
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 12d2d0f31c..d9439fe248 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -652,7 +652,8 @@ void SendCoinsDialog::updateSmartFeeLabel()
 
     int nBlocksToConfirm = ui->sliderSmartFee->maximum() - ui->sliderSmartFee->value() + 2;
     FeeCalculation feeCalc;
-    CFeeRate feeRate = ::feeEstimator.estimateSmartFee(nBlocksToConfirm, &feeCalc, ::mempool);
+    bool conservative_estimate = CalculateEstimateType(FeeEstimateMode::UNSET);
+    CFeeRate feeRate = ::feeEstimator.estimateSmartFee(nBlocksToConfirm, &feeCalc, ::mempool, conservative_estimate);
     if (feeRate <= CFeeRate(0)) // not enough data => minfee
     {
         ui->labelSmartFee->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(),
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 7eff783fe8..354225090f 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -19,6 +19,7 @@
 #include "keystore.h"
 #include "validation.h"
 #include "net.h" // for g_connman
+#include "policy/fees.h"
 #include "policy/rbf.h"
 #include "sync.h"
 #include "ui_interface.h"
-- 
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