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Update "round coin value" to trim trailing zeros

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This commit is contained in:
Matthias 2022-02-19 16:35:17 +01:00
parent 42bb33811c
commit a7a25bb285
2 changed files with 14 additions and 6 deletions
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13
freqtrade/misc.py
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@ -29,18 +29,23 @@ def decimals_per_coin(coin: str):
return DECIMALS_PER_COIN.get(coin, DECIMAL_PER_COIN_FALLBACK) return DECIMALS_PER_COIN.get(coin, DECIMAL_PER_COIN_FALLBACK)
def round_coin_value(value: float, coin: str, show_coin_name=True) -> str: def round_coin_value(
value: float, coin: str, show_coin_name=True, keep_trailing_zeros=False) -> str:
""" """
Get price value for this coin Get price value for this coin
:param value: Value to be printed :param value: Value to be printed
:param coin: Which coin are we printing the price / value for :param coin: Which coin are we printing the price / value for
:param show_coin_name: Return string in format: "222.22 USDT" or "222.22" :param show_coin_name: Return string in format: "222.22 USDT" or "222.22"
:param keep_trailing_zeros: Keep trailing zeros "222.200" vs. "222.2"
:return: Formatted / rounded value (with or without coin name) :return: Formatted / rounded value (with or without coin name)
""" """
val = f"{value:.{decimals_per_coin(coin)}f}"
if not keep_trailing_zeros:
val = val.rstrip('0').rstrip('.')
if show_coin_name: if show_coin_name:
return f"{value:.{decimals_per_coin(coin)}f} {coin}" val = f"{val} {coin}"
else:
return f"{value:.{decimals_per_coin(coin)}f}" return val
def shorten_date(_date: str) -> str: def shorten_date(_date: str) -> str:

7
tests/test_misc.py
View File

@ -21,16 +21,19 @@ def test_decimals_per_coin():
def test_round_coin_value(): def test_round_coin_value():
assert round_coin_value(222.222222, 'USDT') == '222.222 USDT' assert round_coin_value(222.222222, 'USDT') == '222.222 USDT'
assert round_coin_value(222.2, 'USDT') == '222.200 USDT' assert round_coin_value(222.2, 'USDT', keep_trailing_zeros=True) == '222.200 USDT'
assert round_coin_value(222.2, 'USDT') == '222.2 USDT'
assert round_coin_value(222.12745, 'EUR') == '222.127 EUR' assert round_coin_value(222.12745, 'EUR') == '222.127 EUR'
assert round_coin_value(0.1274512123, 'BTC') == '0.12745121 BTC' assert round_coin_value(0.1274512123, 'BTC') == '0.12745121 BTC'
assert round_coin_value(0.1274512123, 'ETH') == '0.12745 ETH' assert round_coin_value(0.1274512123, 'ETH') == '0.12745 ETH'
assert round_coin_value(222.222222, 'USDT', False) == '222.222' assert round_coin_value(222.222222, 'USDT', False) == '222.222'
assert round_coin_value(222.2, 'USDT', False) == '222.200' assert round_coin_value(222.2, 'USDT', False) == '222.2'
assert round_coin_value(222.00, 'USDT', False) == '222'
assert round_coin_value(222.12745, 'EUR', False) == '222.127' assert round_coin_value(222.12745, 'EUR', False) == '222.127'
assert round_coin_value(0.1274512123, 'BTC', False) == '0.12745121' assert round_coin_value(0.1274512123, 'BTC', False) == '0.12745121'
assert round_coin_value(0.1274512123, 'ETH', False) == '0.12745' assert round_coin_value(0.1274512123, 'ETH', False) == '0.12745'
assert round_coin_value(222.2, 'USDT', False, True) == '222.200'
def test_shorten_date() -> None: def test_shorten_date() -> None: