def convertFromLongStrToEth(d, field):
for events in d.values():
for event in events:
# sometimes it comes in as a number, sometimes as a string
event[field] = str(event[field])
# put in a decimal place 18 chars from the right then convert to Decimal to avoid overflow error.
try:
if event[field] == 'nan':
event[field] = Decimal(0)
else:
floatValue = float(event[field])
intValue = int(floatValue)
event[field] = from_wei(intValue, 'ether')
except:
print("Unexpected error:", traceback.format_exc())
sys.exit()
event[field] = Decimal(0)
def to_tokens(self) -> Decimal:
"""Returns an decimal value of NU"""
return currency.from_wei(self.__value, unit='ether')
def test_from_wei(value, expected):
assert from_wei(*value) == decimal.Decimal(expected)
def test_conversion_revers_round_trip_trip(amount_in_ether):
intermediate_amount = to_wei(amount_in_ether, 'ether')
result_amount = from_wei(intermediate_amount, 'ether')
assert decimal.Decimal(result_amount) == decimal.Decimal(
str(amount_in_ether))
def test_conversion_round_trip(amount_in_wei, intermediate_unit):
intermediate_amount = from_wei(amount_in_wei, intermediate_unit)
result_amount = to_wei(intermediate_amount, intermediate_unit)
assert result_amount == amount_in_wei
def test_invalid_to_wei_values(value, unit):
with pytest.raises(ValueError):
to_wei(value, unit)
with pytest.raises(ValueError):
from_wei(value, unit)
