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Use ccxt.decimal_to_precision instead of our own calculation

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Matthias
2020-01-12 14:40:58 +01:00
parent fa1f9bcdbd
commit b60d7ad42f
2 changed files with 33 additions and 10 deletions
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19
tests/exchange/test_exchange.py
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@@ -181,6 +181,11 @@ def test_symbol_amount_prec(default_conf, mocker):
markets = PropertyMock(return_value={'ETH/BTC': {'precision': {'amount': 4}}})
exchange = get_patched_exchange(mocker, default_conf, id="binance")
# digits counting mode
# DECIMAL_PLACES = 2
# SIGNIFICANT_DIGITS = 3
# TICK_SIZE = 4
mocker.patch('freqtrade.exchange.Exchange.precisionMode', PropertyMock(return_value=2))
mocker.patch('freqtrade.exchange.Exchange.markets', markets)
amount = 2.34559
@@ -188,6 +193,12 @@ def test_symbol_amount_prec(default_conf, mocker):
amount = exchange.symbol_amount_prec(pair, amount)
assert amount == 2.3455
markets = PropertyMock(return_value={'ETH/BTC': {'precision': {'amount': 0.0001}}})
mocker.patch('freqtrade.exchange.Exchange.precisionMode', PropertyMock(return_value=4))
mocker.patch('freqtrade.exchange.Exchange.markets', markets)
amount = exchange.symbol_amount_prec(pair, amount)
assert amount == 2.3455
def test_symbol_price_prec(default_conf, mocker):
'''
@@ -197,12 +208,20 @@ def test_symbol_price_prec(default_conf, mocker):
exchange = get_patched_exchange(mocker, default_conf, id="binance")
mocker.patch('freqtrade.exchange.Exchange.markets', markets)
mocker.patch('freqtrade.exchange.Exchange.precisionMode', PropertyMock(return_value=2))
price = 2.34559
pair = 'ETH/BTC'
price = exchange.symbol_price_prec(pair, price)
assert price == 2.3456
markets = PropertyMock(return_value={'ETH/BTC': {'precision': {'price': 0.0001}}})
mocker.patch('freqtrade.exchange.Exchange.precisionMode', PropertyMock(return_value=4))
mocker.patch('freqtrade.exchange.Exchange.markets', markets)
price = exchange.symbol_price_prec(pair, price)
assert price == 2.3456
def test_set_sandbox(default_conf, mocker):
"""