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util: small clean-up re format_satoshis

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related #4771
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SomberNight 2018-10-13 04:21:07 +02:00
parent 8fa6bd2aac
commit 5afdc14913
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GPG key ID: B33B5F232C6271E9
3 changed files with 27 additions and 40 deletions
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2
electrum/gui/qt/main_window.py
View file

@ -688,7 +688,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
return text
def format_fee_rate(self, fee_rate):
return format_fee_satoshis(fee_rate/1000, self.num_zeros) + ' sat/byte'
return format_fee_satoshis(fee_rate/1000, num_zeros=self.num_zeros) + ' sat/byte'
def get_decimal_point(self):
return self.decimal_point

58
electrum/tests/test_util.py
View file

@ -1,4 +1,6 @@
from electrum.util import format_satoshis, parse_URI
from decimal import Decimal
from electrum.util import format_satoshis, format_fee_satoshis, parse_URI
from . import SequentialTestCase
@ -6,56 +8,38 @@ from . import SequentialTestCase
class TestUtil(SequentialTestCase):
def test_format_satoshis(self):
result = format_satoshis(1234)
expected = "0.00001234"
self.assertEqual(expected, result)
self.assertEqual("0.00001234", format_satoshis(1234))
def test_format_satoshis_negative(self):
result = format_satoshis(-1234)
expected = "-0.00001234"
self.assertEqual(expected, result)
self.assertEqual("-0.00001234", format_satoshis(-1234))
def test_format_fee(self):
result = format_satoshis(1700/1000, 0, 0)
expected = "1.7"
self.assertEqual(expected, result)
self.assertEqual("1.7", format_fee_satoshis(1700/1000))
def test_format_fee_precision(self):
result = format_satoshis(1666/1000, 0, 0, precision=6)
expected = "1.666"
self.assertEqual(expected, result)
result = format_satoshis(1666/1000, 0, 0, precision=1)
expected = "1.7"
self.assertEqual(expected, result)
self.assertEqual("1.666",
format_fee_satoshis(1666/1000, precision=6))
self.assertEqual("1.7",
format_fee_satoshis(1666/1000, precision=1))
def test_format_satoshis_whitespaces(self):
result = format_satoshis(12340, whitespaces=True)
expected = " 0.0001234 "
self.assertEqual(expected, result)
result = format_satoshis(1234, whitespaces=True)
expected = " 0.00001234"
self.assertEqual(expected, result)
self.assertEqual(" 0.0001234 ",
format_satoshis(12340, whitespaces=True))
self.assertEqual(" 0.00001234",
format_satoshis(1234, whitespaces=True))
def test_format_satoshis_whitespaces_negative(self):
result = format_satoshis(-12340, whitespaces=True)
expected = " -0.0001234 "
self.assertEqual(expected, result)
result = format_satoshis(-1234, whitespaces=True)
expected = " -0.00001234"
self.assertEqual(expected, result)
self.assertEqual(" -0.0001234 ",
format_satoshis(-12340, whitespaces=True))
self.assertEqual(" -0.00001234",
format_satoshis(-1234, whitespaces=True))
def test_format_satoshis_diff_positive(self):
result = format_satoshis(1234, is_diff=True)
expected = "+0.00001234"
self.assertEqual(expected, result)
self.assertEqual("+0.00001234",
format_satoshis(1234, is_diff=True))
def test_format_satoshis_diff_negative(self):
result = format_satoshis(-1234, is_diff=True)
expected = "-0.00001234"
self.assertEqual(expected, result)
self.assertEqual("-0.00001234", format_satoshis(-1234, is_diff=True))
def _do_test_parse_URI(self, uri, expected):
result = parse_URI(uri)

7
electrum/util.py
View file

@ -540,8 +540,11 @@ FEERATE_PRECISION = 1 # num fractional decimal places for sat/byte fee rates
_feerate_quanta = Decimal(10) ** (-FEERATE_PRECISION)
def format_fee_satoshis(fee, num_zeros=0):
return format_satoshis(fee, num_zeros, 0, precision=FEERATE_PRECISION)
def format_fee_satoshis(fee, *, num_zeros=0, precision=None):
if precision is None:
precision = FEERATE_PRECISION
num_zeros = min(num_zeros, FEERATE_PRECISION) # no more zeroes than available prec
return format_satoshis(fee, num_zeros=num_zeros, decimal_point=0, precision=precision)
def quantize_feerate(fee):