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util/Fiat: Fiat(No Data) should equal Fiat(No Data)

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Decimal('NaN') != Decimal('NaN')

matters in e.g. qt history tab refresh (shortcut)
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SomberNight 2019-04-19 20:02:44 +02:00
parent 46a236f167
commit 1f83711c26
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1 changed files with 9 additions and 2 deletions
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11
electrum/util.py
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@ -161,9 +161,11 @@ class Satoshis(object):
class Fiat(object):
__slots__ = ('value', 'ccy')
def __new__(cls, value, ccy):
def __new__(cls, value: Optional[Decimal], ccy: str):
self = super(Fiat, cls).__new__(cls)
self.ccy = ccy
if not isinstance(value, (Decimal, type(None))):
raise TypeError(f"value should be Decimal or None, not {type(value)}")
self.value = value
return self
@ -177,7 +179,12 @@ class Fiat(object):
return "{:.2f}".format(self.value)
def __eq__(self, other):
return self.ccy == other.ccy and self.value == other.value
if self.ccy != other.ccy:
return False
if isinstance(self.value, Decimal) and isinstance(other.value, Decimal) \
and self.value.is_nan() and other.value.is_nan():
return True
return self.value == other.value
def __ne__(self, other):
return not (self == other)