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Merge pull request #6887

53238ff Clarify what minrelaytxfee does (MarcoFalke)
abd8b76 [qt] Properly display required fee instead of minTxFee (MarcoFalke)
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laanwj committed Nov 5, 2015
2 parents 7945652 + 53238ff commit 3694b74fa9c85e07ddbd3583154b38cd3b39f640
Showing with 28 additions and 14 deletions.
  1. +1 −1 src/init.cpp
  2. +1 −1 src/main.cpp
  3. +4 −4 src/qt/coincontroldialog.cpp
  4. +1 −1 src/qt/optionsdialog.cpp
  5. +5 −5 src/qt/sendcoinsdialog.cpp
  6. +7 −2 src/wallet/wallet.cpp
  7. +9 −0 src/wallet/wallet.h
View
@@ -439,7 +439,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1));
strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
}
- strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying (default: %s)"),
+ strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)"),
CURRENCY_UNIT, FormatMoney(::minRelayTxFee.GetFeePerK())));
strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
if (showDebug)
View
@@ -74,7 +74,7 @@ size_t nCoinCacheUsage = 5000 * 300;
uint64_t nPruneTarget = 0;
bool fAlerts = DEFAULT_ALERTS;
-/** Fees smaller than this (in satoshi) are considered zero fee (for relaying and mining) */
+/** Fees smaller than this (in satoshi) are considered zero fee (for relaying, mining and transaction creation) */
CFeeRate minRelayTxFee = CFeeRate(1000);
CTxMemPool mempool(::minRelayTxFee);
@@ -636,21 +636,21 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
// tool tips
QString toolTip1 = tr("This label turns red if the transaction size is greater than 1000 bytes.") + "<br /><br />";
- toolTip1 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK())) + "<br /><br />";
+ toolTip1 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::GetRequiredFee(1000))) + "<br /><br />";
toolTip1 += tr("Can vary +/- 1 byte per input.");
QString toolTip2 = tr("Transactions with higher priority are more likely to get included into a block.") + "<br /><br />";
toolTip2 += tr("This label turns red if the priority is smaller than \"medium\".") + "<br /><br />";
- toolTip2 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK()));
+ toolTip2 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::GetRequiredFee(1000)));
QString toolTip3 = tr("This label turns red if any recipient receives an amount smaller than %1.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, ::minRelayTxFee.GetFee(546)));
// how many satoshis the estimated fee can vary per byte we guess wrong
double dFeeVary;
if (payTxFee.GetFeePerK() > 0)
- dFeeVary = (double)std::max(CWallet::minTxFee.GetFeePerK(), payTxFee.GetFeePerK()) / 1000;
+ dFeeVary = (double)std::max(CWallet::GetRequiredFee(1000), payTxFee.GetFeePerK()) / 1000;
else
- dFeeVary = (double)std::max(CWallet::minTxFee.GetFeePerK(), mempool.estimateFee(nTxConfirmTarget).GetFeePerK()) / 1000;
+ dFeeVary = (double)std::max(CWallet::GetRequiredFee(1000), mempool.estimateFee(nTxConfirmTarget).GetFeePerK()) / 1000;
QString toolTip4 = tr("Can vary +/- %1 satoshi(s) per input.").arg(dFeeVary);
l3->setToolTip(toolTip4);
View
@@ -18,7 +18,7 @@
#include "txdb.h" // for -dbcache defaults
#ifdef ENABLE_WALLET
-#include "wallet/wallet.h" // for CWallet::minTxFee
+#include "wallet/wallet.h" // for CWallet::GetRequiredFee()
#endif
#include <boost/thread.hpp>
View
@@ -172,7 +172,7 @@ void SendCoinsDialog::setModel(WalletModel *model)
connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(coinControlUpdateLabels()));
connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(updateGlobalFeeVariables()));
connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(coinControlUpdateLabels()));
- ui->customFee->setSingleStep(CWallet::minTxFee.GetFeePerK());
+ ui->customFee->setSingleStep(CWallet::GetRequiredFee(1000));
updateFeeSectionControls();
updateMinFeeLabel();
updateSmartFeeLabel();
@@ -569,7 +569,7 @@ void SendCoinsDialog::on_buttonMinimizeFee_clicked()
void SendCoinsDialog::setMinimumFee()
{
ui->radioCustomPerKilobyte->setChecked(true);
- ui->customFee->setValue(CWallet::minTxFee.GetFeePerK());
+ ui->customFee->setValue(CWallet::GetRequiredFee(1000));
}
void SendCoinsDialog::updateFeeSectionControls()
@@ -621,8 +621,8 @@ void SendCoinsDialog::updateFeeMinimizedLabel()
void SendCoinsDialog::updateMinFeeLabel()
{
if (model && model->getOptionsModel())
- ui->checkBoxMinimumFee->setText(tr("Pay only the minimum fee of %1").arg(
- BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), CWallet::minTxFee.GetFeePerK()) + "/kB")
+ ui->checkBoxMinimumFee->setText(tr("Pay only the required fee of %1").arg(
+ BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), CWallet::GetRequiredFee(1000)) + "/kB")
);
}
@@ -635,7 +635,7 @@ void SendCoinsDialog::updateSmartFeeLabel()
CFeeRate feeRate = mempool.estimateFee(nBlocksToConfirm);
if (feeRate <= CFeeRate(0)) // not enough data => minfee
{
- ui->labelSmartFee->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), CWallet::minTxFee.GetFeePerK()) + "/kB");
+ ui->labelSmartFee->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), CWallet::GetRequiredFee(1000)) + "/kB");
ui->labelSmartFee2->show(); // (Smart fee not initialized yet. This usually takes a few blocks...)
ui->labelFeeEstimation->setText("");
}
View
@@ -2118,6 +2118,11 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
return true;
}
+CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
+{
+ return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes));
+}
+
CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool)
{
// payTxFee is user-set "I want to pay this much"
@@ -2129,9 +2134,9 @@ CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarge
if (nFeeNeeded == 0)
nFeeNeeded = pool.estimateFee(nConfirmTarget).GetFee(nTxBytes);
// ... unless we don't have enough mempool data, in which case fall
- // back to a hard-coded fee
+ // back to the required fee
if (nFeeNeeded == 0)
- nFeeNeeded = minTxFee.GetFee(nTxBytes);
+ nFeeNeeded = GetRequiredFee(nTxBytes);
// prevent user from paying a non-sense fee (like 1 satoshi): 0 < fee < minRelayFee
if (nFeeNeeded < ::minRelayTxFee.GetFee(nTxBytes))
nFeeNeeded = ::minRelayTxFee.GetFee(nTxBytes);
View
@@ -657,7 +657,16 @@ class CWallet : public CCryptoKeyStore, public CValidationInterface
bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
static CFeeRate minTxFee;
+ /**
+ * Estimate the minimum fee considering user set parameters
+ * and the required fee
+ */
static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool);
+ /**
+ * 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();
bool TopUpKeyPool(unsigned int kpSize = 0);

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