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Merge pull request #5485

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aa279d6 Enforce minRelayTxFee on wallet created tx and add a maxtxfee option. (Gregory Maxwell)
This commit is contained in:
Wladimir J. van der Laan
2014-12-23 12:06:30 +01:00
parent 4406c3e0f4 aa279d6131
commit d01bcc446e
3 changed files with 49 additions and 20 deletions
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15
src/init.cpp
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@@ -287,6 +287,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += " -sendfreetransactions " + strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0) + "\n";
strUsage += " -spendzeroconfchange " + strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1) + "\n";
strUsage += " -txconfirmtarget=<n> " + strprintf(_("If paytxfee is not set, include enough fee so transactions are confirmed on average within n blocks (default: %u)"), 1) + "\n";
strUsage += " -maxtxfee=<amt> " + strprintf(_("Maximum total fees to use in a single wallet transaction, setting too low may abort large transactions (default: %s)"), FormatMoney(maxTxFee)) + "\n";
strUsage += " -upgradewallet " + _("Upgrade wallet to latest format") + " " + _("on startup") + "\n";
strUsage += " -wallet=<file> " + _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat") + "\n";
strUsage += " -walletnotify=<cmd> " + _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)") + "\n";
@@ -696,6 +697,20 @@ bool AppInit2(boost::thread_group& threadGroup)
mapArgs["-paytxfee"], ::minRelayTxFee.ToString()));
}
}
if (mapArgs.count("-maxtxfee"))
{
CAmount nMaxFee = 0;
if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee))
return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s'"), mapArgs["-maptxfee"]));
if (nMaxFee > nHighTransactionMaxFeeWarning)
InitWarning(_("Warning: -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)"),
mapArgs["-maxtxfee"], ::minRelayTxFee.ToString()));
}
}
nTxConfirmTarget = GetArg("-txconfirmtarget", 1);
bSpendZeroConfChange = GetArg("-spendzeroconfchange", true);
fSendFreeTransactions = GetArg("-sendfreetransactions", false);