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-rw-r--r--src/qt/bitcoinunits.cpp19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/qt/bitcoinunits.cpp b/src/qt/bitcoinunits.cpp
index 8414a759ee..7cd50232dd 100644
--- a/src/qt/bitcoinunits.cpp
+++ b/src/qt/bitcoinunits.cpp
@@ -17,6 +17,19 @@ QList<BitcoinUnits::Unit> BitcoinUnits::availableUnits()
return unitlist;
}
+bool BitcoinUnits::valid(int unit)
+{
+ switch(unit)
+ {
+ case BTC:
+ case mBTC:
+ case uBTC:
+ return true;
+ default:
+ return false;
+ }
+}
+
QString BitcoinUnits::name(int unit)
{
switch(unit)
@@ -54,7 +67,7 @@ int BitcoinUnits::amountDigits(int unit)
{
switch(unit)
{
- case BTC: return 8; // 21,000,000
+ case BTC: return 8; // 21,000,000 (# digits, without commas)
case mBTC: return 11; // 21,000,000,000
case uBTC: return 14; // 21,000,000,000,000
default: return 0;
@@ -76,6 +89,8 @@ QString BitcoinUnits::format(int unit, qint64 n, bool fPlus)
{
// Note: not using straight sprintf here because we do NOT want
// localized number formatting.
+ if(!valid(unit))
+ return QString(); // Refuse to format invalid unit
qint64 coin = factor(unit);
int num_decimals = decimals(unit);
qint64 n_abs = (n > 0 ? n : -n);
@@ -104,6 +119,8 @@ QString BitcoinUnits::formatWithUnit(int unit, qint64 amount, bool plussign)
bool BitcoinUnits::parse(int unit, const QString &value, qint64 *val_out)
{
+ if(!valid(unit))
+ return false; // Refuse to parse invalid unit
int num_decimals = decimals(unit);
QStringList parts = value.split(".");
if(parts.size() != 2 || parts.at(1).size() > num_decimals)