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Add Amount.ToBTC convenience method.

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Closes #26.
This commit is contained in:
Josh Rickmar 2015-01-02 09:19:16 -05:00
parent 8180321217
commit 40ba1daf69
2 changed files with 12 additions and 0 deletions
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5
amount.go
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@ -89,6 +89,11 @@ func (a Amount) ToUnit(u AmountUnit) float64 {
return float64(a) / math.Pow10(int(u+8)) return float64(a) / math.Pow10(int(u+8))
} }
// ToBTC is the equivalent of calling ToUnit with AmountBTC.
func (a Amount) ToBTC() float64 {
return a.ToUnit(AmountBTC)
}
// Format formats a monetary amount counted in bitcoin base units as a // Format formats a monetary amount counted in bitcoin base units as a
// string for a given unit. The conversion will succeed for any unit, // string for a given unit. The conversion will succeed for any unit,
// however, known units will be formated with an appended label describing // however, known units will be formated with an appended label describing

7
amount_test.go
View file

@ -185,6 +185,13 @@ func TestAmountUnitConversions(t *testing.T) {
continue continue
} }
// Verify that Amount.ToBTC works as advertised.
f1 := test.amount.ToUnit(AmountBTC)
f2 := test.amount.ToBTC()
if f1 != f2 {
t.Errorf("%v: ToBTC does not match ToUnit(AmountBTC): %v != %v", test.name, f1, f2)
}
// Verify that Amount.String works as advertised. // Verify that Amount.String works as advertised.
s1 := test.amount.Format(AmountBTC) s1 := test.amount.Format(AmountBTC)
s2 := test.amount.String() s2 := test.amount.String()