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Merge pull request #8386 from freqtrade/feature/price_to_precision_round

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price to precision rounding
This commit is contained in:
Matthias
2023-03-31 07:20:10 +02:00
committed by GitHub
parent 6dfb1a1d14 159090c0e7
commit 5e13b48648
13 changed files with 145 additions and 88 deletions
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4
tests/exchange/test_binance.py
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@@ -48,7 +48,7 @@ def test_create_stoploss_order_binance(default_conf, mocker, limitratio, expecte
default_conf['margin_mode'] = MarginMode.ISOLATED
default_conf['trading_mode'] = trademode
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'binance')
@@ -127,7 +127,7 @@ def test_create_stoploss_order_dry_run_binance(default_conf, mocker):
order_type = 'stop_loss_limit'
default_conf['dry_run'] = True
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'binance')

85
tests/exchange/test_exchange.py
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@@ -8,6 +8,7 @@ from unittest.mock import MagicMock, Mock, PropertyMock, patch
import arrow
import ccxt
import pytest
from ccxt import DECIMAL_PLACES, ROUND, ROUND_UP, TICK_SIZE, TRUNCATE
from pandas import DataFrame
from freqtrade.enums import CandleType, MarginMode, TradingMode
@@ -315,35 +316,54 @@ def test_amount_to_precision(amount, precision_mode, precision, expected,):
assert amount_to_precision(amount, precision, precision_mode) == expected
@pytest.mark.parametrize("price,precision_mode,precision,expected", [
(2.34559, 2, 4, 2.3456),
(2.34559, 2, 5, 2.34559),
(2.34559, 2, 3, 2.346),
(2.9999, 2, 3, 3.000),
(2.9909, 2, 3, 2.991),
# Tests for Tick_size
(2.34559, 4, 0.0001, 2.3456),
(2.34559, 4, 0.00001, 2.34559),
(2.34559, 4, 0.001, 2.346),
(2.9999, 4, 0.001, 3.000),
(2.9909, 4, 0.001, 2.991),
(2.9909, 4, 0.005, 2.995),
(2.9973, 4, 0.005, 3.0),
(2.9977, 4, 0.005, 3.0),
(234.43, 4, 0.5, 234.5),
(234.53, 4, 0.5, 235.0),
(0.891534, 4, 0.0001, 0.8916),
(64968.89, 4, 0.01, 64968.89),
(0.000000003483, 4, 1e-12, 0.000000003483),
@pytest.mark.parametrize("price,precision_mode,precision,expected,rounding_mode", [
# Tests for DECIMAL_PLACES, ROUND_UP
(2.34559, 2, 4, 2.3456, ROUND_UP),
(2.34559, 2, 5, 2.34559, ROUND_UP),
(2.34559, 2, 3, 2.346, ROUND_UP),
(2.9999, 2, 3, 3.000, ROUND_UP),
(2.9909, 2, 3, 2.991, ROUND_UP),
# Tests for DECIMAL_PLACES, ROUND
(2.345600000000001, DECIMAL_PLACES, 4, 2.3456, ROUND),
(2.345551, DECIMAL_PLACES, 4, 2.3456, ROUND),
(2.49, DECIMAL_PLACES, 0, 2., ROUND),
(2.51, DECIMAL_PLACES, 0, 3., ROUND),
(5.1, DECIMAL_PLACES, -1, 10., ROUND),
(4.9, DECIMAL_PLACES, -1, 0., ROUND),
# Tests for TICK_SIZE, ROUND_UP
(2.34559, TICK_SIZE, 0.0001, 2.3456, ROUND_UP),
(2.34559, TICK_SIZE, 0.00001, 2.34559, ROUND_UP),
(2.34559, TICK_SIZE, 0.001, 2.346, ROUND_UP),
(2.9999, TICK_SIZE, 0.001, 3.000, ROUND_UP),
(2.9909, TICK_SIZE, 0.001, 2.991, ROUND_UP),
(2.9909, TICK_SIZE, 0.005, 2.995, ROUND_UP),
(2.9973, TICK_SIZE, 0.005, 3.0, ROUND_UP),
(2.9977, TICK_SIZE, 0.005, 3.0, ROUND_UP),
(234.43, TICK_SIZE, 0.5, 234.5, ROUND_UP),
(234.53, TICK_SIZE, 0.5, 235.0, ROUND_UP),
(0.891534, TICK_SIZE, 0.0001, 0.8916, ROUND_UP),
(64968.89, TICK_SIZE, 0.01, 64968.89, ROUND_UP),
(0.000000003483, TICK_SIZE, 1e-12, 0.000000003483, ROUND_UP),
# Tests for TICK_SIZE, ROUND
(2.49, TICK_SIZE, 1., 2., ROUND),
(2.51, TICK_SIZE, 1., 3., ROUND),
(2.000000051, TICK_SIZE, 0.0000001, 2.0000001, ROUND),
(2.000000049, TICK_SIZE, 0.0000001, 2., ROUND),
(2.9909, TICK_SIZE, 0.005, 2.990, ROUND),
(2.9973, TICK_SIZE, 0.005, 2.995, ROUND),
(2.9977, TICK_SIZE, 0.005, 3.0, ROUND),
(234.24, TICK_SIZE, 0.5, 234., ROUND),
(234.26, TICK_SIZE, 0.5, 234.5, ROUND),
# Tests for TRUNCATTE
(2.34559, 2, 4, 2.3455, TRUNCATE),
(2.34559, 2, 5, 2.34559, TRUNCATE),
(2.34559, 2, 3, 2.345, TRUNCATE),
(2.9999, 2, 3, 2.999, TRUNCATE),
(2.9909, 2, 3, 2.990, TRUNCATE),
])
def test_price_to_precision(price, precision_mode, precision, expected):
# digits counting mode
# DECIMAL_PLACES = 2
# SIGNIFICANT_DIGITS = 3
# TICK_SIZE = 4
assert price_to_precision(price, precision, precision_mode) == expected
def test_price_to_precision(price, precision_mode, precision, expected, rounding_mode):
assert price_to_precision(
price, precision, precision_mode, rounding_mode=rounding_mode) == expected
@pytest.mark.parametrize("price,precision_mode,precision,expected", [
@@ -5281,7 +5301,7 @@ def test_stoploss_contract_size(mocker, default_conf, contract_size, order_amoun
})
default_conf['dry_run'] = False
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock)
exchange.get_contract_size = MagicMock(return_value=contract_size)
@@ -5301,3 +5321,10 @@ def test_stoploss_contract_size(mocker, default_conf, contract_size, order_amoun
assert order['cost'] == 100
assert order['filled'] == 100
assert order['remaining'] == 100
def test_price_to_precision_with_default_conf(default_conf, mocker):
conf = copy.deepcopy(default_conf)
patched_ex = get_patched_exchange(mocker, conf)
prec_price = patched_ex.price_to_precision("XRP/USDT", 1.0000000101)
assert prec_price == 1.00000001

4
tests/exchange/test_huobi.py
View File

@@ -27,7 +27,7 @@ def test_create_stoploss_order_huobi(default_conf, mocker, limitratio, expected,
})
default_conf['dry_run'] = False
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'huobi')
@@ -80,7 +80,7 @@ def test_create_stoploss_order_dry_run_huobi(default_conf, mocker):
order_type = 'stop-limit'
default_conf['dry_run'] = True
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'huobi')

6
tests/exchange/test_kraken.py
View File

@@ -29,7 +29,7 @@ def test_buy_kraken_trading_agreement(default_conf, mocker):
default_conf['dry_run'] = False
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, id="kraken")
order = exchange.create_order(
@@ -192,7 +192,7 @@ def test_create_stoploss_order_kraken(default_conf, mocker, ordertype, side, adj
default_conf['dry_run'] = False
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'kraken')
@@ -263,7 +263,7 @@ def test_create_stoploss_order_dry_run_kraken(default_conf, mocker, side):
api_mock = MagicMock()
default_conf['dry_run'] = True
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'kraken')

4
tests/exchange/test_kucoin.py
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@@ -27,7 +27,7 @@ def test_create_stoploss_order_kucoin(default_conf, mocker, limitratio, expected
})
default_conf['dry_run'] = False
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'kucoin')
if order_type == 'limit':
@@ -88,7 +88,7 @@ def test_stoploss_order_dry_run_kucoin(default_conf, mocker):
order_type = 'market'
default_conf['dry_run'] = True
mocker.patch(f'{EXMS}.amount_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y: y)
mocker.patch(f'{EXMS}.price_to_precision', lambda s, x, y, **kwargs: y)
exchange = get_patched_exchange(mocker, default_conf, api_mock, 'kucoin')