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-rw-r--r--src/qt/bitcoinamountfield.cpp10
-rw-r--r--src/qt/bitcoinunits.cpp11
-rw-r--r--src/qt/bitcoinunits.h2
3 files changed, 19 insertions, 4 deletions
diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index b12e296f99..b502505f31 100644
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -60,7 +60,9 @@ bool BitcoinAmountField::validate()
bool valid = true;
if (amount->value() == 0.0)
valid = false;
- if (valid && !BitcoinUnits::parse(currentUnit, text(), 0))
+ else if (!BitcoinUnits::parse(currentUnit, text(), 0))
+ valid = false;
+ else if (amount->value() > BitcoinUnits::maxAmount(currentUnit))
valid = false;
setValid(valid);
@@ -115,7 +117,7 @@ qint64 BitcoinAmountField::value(bool *valid_out) const
{
qint64 val_out = 0;
bool valid = BitcoinUnits::parse(currentUnit, text(), &val_out);
- if(valid_out)
+ if (valid_out)
{
*valid_out = valid;
}
@@ -145,12 +147,12 @@ void BitcoinAmountField::unitChanged(int idx)
amount->setDecimals(BitcoinUnits::decimals(currentUnit));
amount->setMaximum(qPow(10, BitcoinUnits::amountDigits(currentUnit)) - qPow(10, -amount->decimals()));
- if(currentUnit == BitcoinUnits::uBTC)
+ if (currentUnit == BitcoinUnits::uBTC)
amount->setSingleStep(0.01);
else
amount->setSingleStep(0.001);
- if(valid)
+ if (valid)
{
// If value was valid, re-place it in the widget with the new unit
setValue(currentValue);
diff --git a/src/qt/bitcoinunits.cpp b/src/qt/bitcoinunits.cpp
index d4715abaec..ae9791123d 100644
--- a/src/qt/bitcoinunits.cpp
+++ b/src/qt/bitcoinunits.cpp
@@ -63,6 +63,17 @@ qint64 BitcoinUnits::factor(int unit)
}
}
+qint64 BitcoinUnits::maxAmount(int unit)
+{
+ switch(unit)
+ {
+ case BTC: return Q_INT64_C(21000000);
+ case mBTC: return Q_INT64_C(21000000000);
+ case uBTC: return Q_INT64_C(21000000000000);
+ default: return 0;
+ }
+}
+
int BitcoinUnits::amountDigits(int unit)
{
switch(unit)
diff --git a/src/qt/bitcoinunits.h b/src/qt/bitcoinunits.h
index 6e96cef59d..f6fdf6c7be 100644
--- a/src/qt/bitcoinunits.h
+++ b/src/qt/bitcoinunits.h
@@ -38,6 +38,8 @@ public:
static QString description(int unit);
//! Number of Satoshis (1e-8) per unit
static qint64 factor(int unit);
+ //! Max amount per unit
+ static qint64 maxAmount(int unit);
//! Number of amount digits (to represent max number of coins)
static int amountDigits(int unit);
//! Number of decimals left