Updated tests to new persistence

freqtrade/exchange/binance.py

@@ -3,6 +3,7 @@ import logging
 from typing import Dict
 
 import ccxt
+from decimal import Decimal
 
 from freqtrade.exceptions import (DDosProtection, InsufficientFundsError, InvalidOrderException,
                                   OperationalException, TemporaryError)
@@ -89,3 +90,12 @@ class Binance(Exchange):
                 f'Could not place sell order due to {e.__class__.__name__}. Message: {e}') from e
         except ccxt.BaseError as e:
             raise OperationalException(e) from e
+
+    @staticmethod
+    def calculate_interest(borrowed: Decimal, hours: Decimal, interest_rate: Decimal) -> Decimal:
+        # Rate is per day but accrued hourly or something
+        # binance: https://www.binance.com/en-AU/support/faq/360030157812
+        one = Decimal(1)
+        twenty_four = Decimal(24)
+        # TODO-mg: Is hours rounded?
+        return borrowed * interest_rate * max(hours, one)/twenty_four

freqtrade/exchange/kraken.py

@@ -3,6 +3,7 @@ import logging
 from typing import Any, Dict
 
 import ccxt
+from decimal import Decimal
 
 from freqtrade.exceptions import (DDosProtection, InsufficientFundsError, InvalidOrderException,
                                   OperationalException, TemporaryError)
@@ -124,3 +125,11 @@ class Kraken(Exchange):
                 f'Could not place sell order due to {e.__class__.__name__}. Message: {e}') from e
         except ccxt.BaseError as e:
             raise OperationalException(e) from e
+
+    @staticmethod
+    def calculate_interest(borrowed: Decimal, hours: Decimal, interest_rate: Decimal) -> Decimal:
+        four = Decimal(4.0)
+        # https://support.kraken.com/hc/en-us/articles/206161568-What-are-the-fees-for-margin-trading-
+        opening_fee = borrowed * interest_rate
+        roll_over_fee = borrowed * interest_rate * max(0, (hours-four)/four)
+        return opening_fee + roll_over_fee

freqtrade/persistence/migrations.py

@@ -49,9 +49,6 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
     strategy = get_column_def(cols, 'strategy', 'null')
 
     leverage = get_column_def(cols, 'leverage', 'null')
-    borrowed = get_column_def(cols, 'borrowed', '0.0')
-    borrowed_currency = get_column_def(cols, 'borrowed_currency', 'null')
-    collateral_currency = get_column_def(cols, 'collateral_currency', 'null')
     interest_rate = get_column_def(cols, 'interest_rate', '0.0')
     liquidation_price = get_column_def(cols, 'liquidation_price', 'null')
     is_short = get_column_def(cols, 'is_short', 'False')
@@ -91,8 +88,7 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
             stoploss_order_id, stoploss_last_update,
             max_rate, min_rate, sell_reason, sell_order_status, strategy,
             timeframe, open_trade_value, close_profit_abs,
-            leverage, borrowed, borrowed_currency, collateral_currency, interest_rate,
+            leverage, interest_rate, liquidation_price, is_short
-            liquidation_price, is_short
             )
         select id, lower(exchange),
             case
@@ -116,14 +112,11 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
             {sell_order_status} sell_order_status,
             {strategy} strategy, {timeframe} timeframe,
             {open_trade_value} open_trade_value, {close_profit_abs} close_profit_abs,
-            {leverage} leverage, {borrowed} borrowed, {borrowed_currency} borrowed_currency,
+            {leverage} leverage, {interest_rate} interest_rate,
-            {collateral_currency} collateral_currency, {interest_rate} interest_rate,
             {liquidation_price} liquidation_price, {is_short} is_short
             from {table_back_name}
             """))
 
-# TODO: Does leverage go in here?
-
 
 def migrate_open_orders_to_trades(engine):
     with engine.begin() as connection:

freqtrade/persistence/models.py

@@ -132,7 +132,11 @@ class Order(_DECL_BASE):
     order_filled_date = Column(DateTime, nullable=True)
     order_update_date = Column(DateTime, nullable=True)
 
+    leverage = Column(Float, nullable=True, default=None)
+    is_short = Column(Boolean, nullable=True, default=False)
+
     def __repr__(self):
+
         return (f'Order(id={self.id}, order_id={self.order_id}, trade_id={self.ft_trade_id}, '
                 f'side={self.side}, order_type={self.order_type}, status={self.status})')
 
@@ -226,7 +230,6 @@ class LocalTrade():
     fee_close_currency: str = ''
     open_rate: float = 0.0
     open_rate_requested: Optional[float] = None
-
     # open_trade_value - calculated via _calc_open_trade_value
     open_trade_value: float = 0.0
     close_rate: Optional[float] = None
@@ -261,61 +264,23 @@ class LocalTrade():
     timeframe: Optional[int] = None
 
     # Margin trading properties
-    borrowed_currency: str = None
-    collateral_currency: str = None
     interest_rate: float = 0.0
     liquidation_price: float = None
     is_short: bool = False
-    borrowed: float = 0.0
     leverage: float = None
 
-    # @property
+    @property
-    # def base_currency(self) -> str:
+    def has_no_leverage(self) -> bool:
-    #     if not self.pair:
+        return (self.leverage == 1.0 and not self.is_short) or self.leverage is None
-    #         raise OperationalException('LocalTrade.pair must be assigned')
-    #     return self.pair.split("/")[1]
 
-    # TODO: @samgermain: Amount should be persisted "as is".
+    @property
-    # I've partially reverted this (this killed most of your tests)
+    def borrowed(self) -> float:
-    # but leave this here as i'm not sure where you intended to use this.
+        if self.has_no_leverage:
-    # @property
+            return 0.0
-    # def amount(self) -> float:
+        elif not self.is_short:
-    #     if self._leverage is not None:
+            return self.stake_amount * (self.leverage-1)
-    #         return self._amount * self.leverage
+        else:
-    #     else:
+            return self.amount
-    #         return self._amount
-
-    # @amount.setter
-    # def amount(self, value):
-    #     self._amount = value
-
-    # @property
-    # def borrowed(self) -> float:
-    #     if self._leverage is not None:
-    #         if self.is_short:
-    #             # If shorting the full amount must be borrowed
-    #             return self._amount * self._leverage
-    #         else:
-    #             # If not shorting, then the trader already owns a bit
-    #             return self._amount * (self._leverage-1)
-    #     else:
-    #         return self._borrowed
-
-    # @borrowed.setter
-    # def borrowed(self, value):
-    #     self._borrowed = value
-    #     self._leverage = None
-
-    # @property
-    # def leverage(self) -> float:
-    #     return self._leverage
-
-    # @leverage.setter
-    # def leverage(self, value):
-    #     self._leverage = value
-    #     self._borrowed = None
-
-    # End of margin trading properties
 
     @property
     def open_date_utc(self):
@@ -326,13 +291,8 @@ class LocalTrade():
         return self.close_date.replace(tzinfo=timezone.utc)
 
     def __init__(self, **kwargs):
-        if kwargs.get('leverage') and kwargs.get('borrowed'):
-            # TODO-mg: should I raise an error?
-            raise OperationalException('Cannot pass both borrowed and leverage to Trade')
         for key in kwargs:
             setattr(self, key, kwargs[key])
-        if not self.is_short:
-            self.is_short = False
         self.recalc_open_trade_value()
 
     def __repr__(self):
@@ -404,9 +364,6 @@ class LocalTrade():
             'max_rate': self.max_rate,
 
             'leverage': self.leverage,
-            'borrowed': self.borrowed,
-            'borrowed_currency': self.borrowed_currency,
-            'collateral_currency': self.collateral_currency,
             'interest_rate': self.interest_rate,
             'liquidation_price': self.liquidation_price,
             'is_short': self.is_short,
@@ -473,7 +430,7 @@ class LocalTrade():
 
         # evaluate if the stop loss needs to be updated
         else:
-            # stop losses only walk up, never down!, #TODO: But adding more to a margin account would create a lower liquidation price, decreasing the minimum stoploss
+            # stop losses only walk up, never down!, #But adding more to a margin account would create a lower liquidation price, decreasing the minimum stoploss
             if (new_loss > self.stop_loss and not self.is_short) or (new_loss < self.stop_loss and self.is_short):
                 logger.debug(f"{self.pair} - Adjusting stoploss...")
                 self._set_new_stoploss(new_loss, stoploss)
@@ -510,13 +467,8 @@ class LocalTrade():
         """
         order_type = order['type']
 
-        if ('leverage' in order and 'borrowed' in order):
-            raise OperationalException(
-                'Pass only one of Leverage or Borrowed to the order in update trade')
-
         if 'is_short' in order and order['side'] == 'sell':
             # Only set's is_short on opening trades, ignores non-shorts
-            # TODO-mg: I don't like this, but it might be the only way
             self.is_short = order['is_short']
 
         # Ignore open and cancelled orders
@@ -527,15 +479,10 @@ class LocalTrade():
 
         if order_type in ('market', 'limit') and self.is_opening_trade(order['side']):
             # Update open rate and actual amount
-
             self.open_rate = float(safe_value_fallback(order, 'average', 'price'))
             self.amount = float(safe_value_fallback(order, 'filled', 'amount'))
-
+            if 'leverage' in order:
-            if 'borrowed' in order:
-                self.borrowed = order['borrowed']
-            elif 'leverage' in order:
                 self.leverage = order['leverage']
-
             self.recalc_open_trade_value()
             if self.is_open:
                 payment = "SELL" if self.is_short else "BUY"
@@ -544,7 +491,8 @@ class LocalTrade():
         elif order_type in ('market', 'limit') and self.is_closing_trade(order['side']):
             if self.is_open:
                 payment = "BUY" if self.is_short else "SELL"
-                # TODO: On Shorts technically your buying a little bit more than the amount because it's the ammount plus the interest
+                # TODO-mg: On Shorts technically your buying a little bit more than the amount because it's the ammount plus the interest
+                # But this wll only print the original
                 logger.info(f'{order_type.upper()}_{payment} has been fulfilled for {self}.')
             self.close(safe_value_fallback(order, 'average', 'price'))  # TODO: Double check this
         elif order_type in ('stop_loss_limit', 'stop-loss', 'stop-loss-limit', 'stop'):
@@ -632,17 +580,16 @@ class LocalTrade():
         : param interest_rate: interest_charge for borrowing this coin(optional).
         If interest_rate is not set self.interest_rate will be used
         """
-        # TODO-mg: Need to set other conditions because sometimes self.open_date is not defined, but why would it ever not be set
+
         zero = Decimal(0.0)
-        if not (self.borrowed):
+        # If nothing was borrowed
+        if (self.leverage == 1.0 and not self.is_short) or not self.leverage:
             return zero
 
         open_date = self.open_date.replace(tzinfo=None)
-        now = datetime.utcnow()
+        now = (self.close_date or datetime.utcnow()).replace(tzinfo=None)
-        # sec_per_day = Decimal(86400)
         sec_per_hour = Decimal(3600)
         total_seconds = Decimal((now - open_date).total_seconds())
-        # days = total_seconds/sec_per_day or zero
         hours = total_seconds/sec_per_hour or zero
 
         rate = Decimal(interest_rate or self.interest_rate)
@@ -654,7 +601,7 @@ class LocalTrade():
         if self.exchange == 'binance':
             # Rate is per day but accrued hourly or something
             # binance: https://www.binance.com/en-AU/support/faq/360030157812
-            return borrowed * rate * max(hours, one)/twenty_four  # TODO-mg: Is hours rounded?
+            return borrowed * rate * max(hours, one)/twenty_four
         elif self.exchange == 'kraken':
             # https://support.kraken.com/hc/en-us/articles/206161568-What-are-the-fees-for-margin-trading-
             opening_fee = borrowed * rate
@@ -746,16 +693,15 @@ class LocalTrade():
         if (self.is_short and close_trade_value == 0.0) or (not self.is_short and self.open_trade_value == 0.0):
             return 0.0
         else:
-            if self.borrowed:  # TODO: This is only needed so that previous tests that included dummy stake_amounts don't fail. Undate those tests and get rid of this else
+            if self.has_no_leverage:
+                # TODO: This is only needed so that previous tests that included dummy stake_amounts don't fail. Undate those tests and get rid of this else
+                profit_ratio = (close_trade_value/self.open_trade_value) - 1
+            else:
                 if self.is_short:
                     profit_ratio = ((self.open_trade_value - close_trade_value) / self.stake_amount)
                 else:
                     profit_ratio = ((close_trade_value - self.open_trade_value) / self.stake_amount)
-            else:  # TODO: This is only needed so that previous tests that included dummy stake_amounts don't fail. Undate those tests and get rid of this else
+
-                if self.is_short:
-                    profit_ratio = 1 - (close_trade_value/self.open_trade_value)
-                else:
-                    profit_ratio = (close_trade_value/self.open_trade_value) - 1
         return float(f"{profit_ratio:.8f}")
 
     def select_order(self, order_side: str, is_open: Optional[bool]) -> Optional[Order]:
@@ -907,14 +853,10 @@ class Trade(_DECL_BASE, LocalTrade):
     timeframe = Column(Integer, nullable=True)
 
     # Margin trading properties
-    leverage = Column(Float, nullable=True)   # TODO: can this be nullable, or should it default to 1? (must also be changed in migrations eventually)
+    leverage = Column(Float, nullable=True)
-    borrowed = Column(Float, nullable=False, default=0.0)
     interest_rate = Column(Float, nullable=False, default=0.0)
     liquidation_price = Column(Float, nullable=True)
     is_short = Column(Boolean, nullable=False, default=False)
-    # TODO: Bottom 2 might not be needed
-    borrowed_currency = Column(Float, nullable=True)
-    collateral_currency = Column(String(25), nullable=True)
     # End of margin trading properties
 
     def __init__(self, **kwargs):

tests/conftest.py

@@ -7,10 +7,12 @@ from datetime import datetime, timedelta
 from functools import reduce
 from pathlib import Path
 from unittest.mock import MagicMock, Mock, PropertyMock
+
 import arrow
 import numpy as np
 import pytest
 from telegram import Chat, Message, Update
+
 from freqtrade import constants
 from freqtrade.commands import Arguments
 from freqtrade.data.converter import ohlcv_to_dataframe
@@ -23,7 +25,11 @@ from freqtrade.resolvers import ExchangeResolver
 from freqtrade.worker import Worker
 from tests.conftest_trades import (mock_trade_1, mock_trade_2, mock_trade_3, mock_trade_4,
                                    mock_trade_5, mock_trade_6, short_trade, leverage_trade)
+
+
 logging.getLogger('').setLevel(logging.INFO)
+
+
 # Do not mask numpy errors as warnings that no one read, raise the exсeption
 np.seterr(all='raise')
 
@@ -63,6 +69,7 @@ def get_args(args):
 def get_mock_coro(return_value):
     async def mock_coro(*args, **kwargs):
         return return_value
+
     return Mock(wraps=mock_coro)
 
 
@@ -85,6 +92,7 @@ def patch_exchange(mocker, api_mock=None, id='binance', mock_markets=True) -> No
     if mock_markets:
         mocker.patch('freqtrade.exchange.Exchange.markets',
                      PropertyMock(return_value=get_markets()))
+
     if api_mock:
         mocker.patch('freqtrade.exchange.Exchange._init_ccxt', MagicMock(return_value=api_mock))
     else:
@@ -118,6 +126,7 @@ def patch_edge(mocker) -> None:
     # "LTC/BTC",
     # "XRP/BTC",
     # "NEO/BTC"
+
     mocker.patch('freqtrade.edge.Edge._cached_pairs', mocker.PropertyMock(
         return_value={
             'NEO/BTC': PairInfo(-0.20, 0.66, 3.71, 0.50, 1.71, 10, 25),
@@ -131,6 +140,7 @@ def get_patched_edge(mocker, config) -> Edge:
     patch_edge(mocker)
     edge = Edge(config)
     return edge
+
 # Functions for recurrent object patching
 
 
@@ -191,6 +201,7 @@ def create_mock_trades(fee, use_db: bool = True):
             Trade.query.session.add(trade)
         else:
             LocalTrade.add_bt_trade(trade)
+
     # Simulate dry_run entries
     trade = mock_trade_1(fee)
     add_trade(trade)
@@ -220,14 +231,19 @@ def create_mock_trades_with_leverage(fee, use_db: bool = True):
     add_trade(trade)
     trade = mock_trade_2(fee)
     add_trade(trade)
+
     trade = mock_trade_3(fee)
     add_trade(trade)
+
     trade = mock_trade_4(fee)
     add_trade(trade)
+
     trade = mock_trade_5(fee)
     add_trade(trade)
+
     trade = mock_trade_6(fee)
     add_trade(trade)
+
     trade = short_trade(fee)
     add_trade(trade)
     trade = leverage_trade(fee)
@@ -243,6 +259,7 @@ def patch_coingekko(mocker) -> None:
     :param mocker: mocker to patch coingekko class
     :return: None
     """
+
     tickermock = MagicMock(return_value={'bitcoin': {'usd': 12345.0}, 'ethereum': {'usd': 12345.0}})
     listmock = MagicMock(return_value=[{'id': 'bitcoin', 'name': 'Bitcoin', 'symbol': 'btc',
                                         'website_slug': 'bitcoin'},
@@ -253,13 +270,13 @@ def patch_coingekko(mocker) -> None:
         'freqtrade.rpc.fiat_convert.CoinGeckoAPI',
         get_price=tickermock,
         get_coins_list=listmock,
+
     )
 
 
 @pytest.fixture(scope='function')
 def init_persistence(default_conf):
     init_db(default_conf['db_url'], default_conf['dry_run'])
-    # TODO-mg: trade with leverage and/or borrowed?
 
 
 @pytest.fixture(scope="function")
@@ -924,7 +941,8 @@ def limit_sell_order_old():
 
 @pytest.fixture
 def limit_buy_order_old_partial():
-    return {'id': 'mocked_limit_buy_old_partial',
+    return {
+        'id': 'mocked_limit_buy_old_partial',
         'type': 'limit',
         'side': 'buy',
         'symbol': 'ETH/BTC',
@@ -950,6 +968,7 @@ def limit_buy_order_canceled_empty(request):
     # Indirect fixture
     # Documentation:
     # https://docs.pytest.org/en/latest/example/parametrize.html#apply-indirect-on-particular-arguments
+
     exchange_name = request.param
     if exchange_name == 'ftx':
         return {
@@ -1739,6 +1758,7 @@ def edge_conf(default_conf):
         "max_trade_duration_minute": 1440,
         "remove_pumps": False
     }
+
     return conf
 
 
@@ -1776,7 +1796,6 @@ def rpc_balance():
             'used': 0.0
         },
     }
-    # TODO-mg: Add shorts and leverage?
 
 
 @pytest.fixture
@@ -1796,9 +1815,12 @@ def import_fails() -> None:
         if name in ["filelock", 'systemd.journal', 'uvloop']:
             raise ImportError(f"No module named '{name}'")
         return realimport(name, *args, **kwargs)
+
     builtins.__import__ = mockedimport
+
     # Run test - then cleanup
     yield
+
     # restore previous importfunction
     builtins.__import__ = realimport
 
@@ -2083,6 +2105,7 @@ def saved_hyperopt_results():
             'is_best': False
             }
     ]
+
     for res in hyperopt_res:
         res['results_metrics']['holding_avg_s'] = res['results_metrics']['holding_avg'
                                                                          ].total_seconds()
@@ -2091,16 +2114,6 @@ def saved_hyperopt_results():
 # * Margin Tests
 
 
-@pytest.fixture
-def ten_minutes_ago():
-    return datetime.utcnow() - timedelta(hours=0, minutes=10)
-
-
-@pytest.fixture
-def five_hours_ago():
-    return datetime.utcnow() - timedelta(hours=5, minutes=0)
-
-
 @pytest.fixture(scope='function')
 def limit_short_order_open():
     return {
@@ -2112,12 +2125,12 @@ def limit_short_order_open():
         'timestamp': arrow.utcnow().int_timestamp,
         'price': 0.00001173,
         'amount': 90.99181073,
-        'borrowed': 90.99181073,
+        'leverage': 1.0,
         'filled': 0.0,
         'cost': 0.00106733393,
         'remaining': 90.99181073,
         'status': 'open',
-        'exchange': 'binance'
+        'is_short': True
     }
 
 
@@ -2131,11 +2144,10 @@ def limit_exit_short_order_open():
         'datetime': arrow.utcnow().isoformat(),
         'timestamp': arrow.utcnow().int_timestamp,
         'price': 0.00001099,
-        'amount': 90.99181073,
+        'amount': 90.99370639272354,
         'filled': 0.0,
-        'remaining': 90.99181073,
+        'remaining': 90.99370639272354,
-        'status': 'open',
+        'status': 'open'
-        'exchange': 'binance'
     }
 
 
@@ -2166,13 +2178,12 @@ def market_short_order():
         'symbol': 'mocked',
         'datetime': arrow.utcnow().isoformat(),
         'price': 0.00004173,
-        'amount': 91.99181073,
+        'amount': 275.97543219,
-        'filled': 91.99181073,
+        'filled': 275.97543219,
         'remaining': 0.0,
         'status': 'closed',
         'is_short': True,
-        # 'leverage': 3.0,
+        'leverage': 3.0
-        'exchange': 'kraken'
     }
 
 
@@ -2185,12 +2196,11 @@ def market_exit_short_order():
         'symbol': 'mocked',
         'datetime': arrow.utcnow().isoformat(),
         'price': 0.00004099,
-        'amount': 91.99181073,
+        'amount': 276.113419906095,
-        'filled': 91.99181073,
+        'filled': 276.113419906095,
         'remaining': 0.0,
         'status': 'closed',
-        # 'leverage': 3.0,
+        'leverage': 3.0
-        'exchange': 'kraken'
     }
 
 
@@ -2207,8 +2217,9 @@ def limit_leveraged_buy_order_open():
         'price': 0.00001099,
         'amount': 272.97543219,
         'filled': 0.0,
-        'cost': 0.0029999999997681,
+        'cost': 0.0009999999999226999,
         'remaining': 272.97543219,
+        'leverage': 3.0,
         'status': 'open',
         'exchange': 'binance'
     }
@@ -2236,6 +2247,7 @@ def limit_leveraged_sell_order_open():
         'amount': 272.97543219,
         'filled': 0.0,
         'remaining': 272.97543219,
+        'leverage': 3.0,
         'status': 'open',
         'exchange': 'binance'
     }

tests/conftest_trades.py

@@ -3,7 +3,7 @@ from datetime import datetime, timedelta, timezone
 from freqtrade.persistence.models import Order, Trade
 
 
-MOCK_TRADE_COUNT = 6  # TODO-mg: Increase for short and leverage
+MOCK_TRADE_COUNT = 6
 
 
 def mock_order_1():
@@ -433,8 +433,7 @@ def leverage_trade(fee):
         interest_rate: 0.05% per day
         open_rate: 0.123 base
         close_rate: 0.128 base
-        amount: 123.0 crypto
+        amount: 615 crypto
-        amount_with_leverage: 615.0
         stake_amount: 15.129 base
         borrowed: 60.516  base
         leverage: 5

tests/rpc/test_rpc.py

@@ -109,9 +109,6 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
         'exchange': 'binance',
 
         'leverage': None,
-        'borrowed': 0.0,
-        'borrowed_currency': None,
-        'collateral_currency': None,
         'interest_rate': 0.0,
         'liquidation_price': None,
         'is_short': False,
@@ -183,9 +180,6 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
         'exchange': 'binance',
 
         'leverage': None,
-        'borrowed': 0.0,
-        'borrowed_currency': None,
-        'collateral_currency': None,
         'interest_rate': 0.0,
         'liquidation_price': None,
         'is_short': False,

tests/test_persistence.py

@@ -105,27 +105,6 @@ def test_is_opening_closing_trade(fee):
     assert trade.is_closing_trade('sell') == False
 
 
-@pytest.mark.usefixtures("init_persistence")
-def test_amount(limit_buy_order, limit_sell_order, fee, caplog):
-    trade = Trade(
-        id=2,
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        open_rate=0.01,
-        amount=5,
-        is_open=True,
-        open_date=arrow.utcnow().datetime,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=False
-    )
-    assert trade.amount == 5
-    trade.leverage = 3
-    assert trade.amount == 15
-    assert trade._amount == 5
-
-
 @pytest.mark.usefixtures("init_persistence")
 def test_update_with_binance(limit_buy_order, limit_sell_order, fee, caplog):
     """
@@ -728,6 +707,7 @@ def test_migrate_new(mocker, default_conf, fee, caplog):
                 FOREIGN KEY(ft_trade_id) REFERENCES trades (id)
             )
             """))
+
         connection.execute(text("""
         insert into orders ( id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id, status,
             symbol, order_type, side, price, amount, filled, remaining, cost, order_date,
@@ -978,9 +958,6 @@ def test_to_json(default_conf, fee):
                       'exchange': 'binance',
 
                       'leverage': None,
-                      'borrowed': None,
-                      'borrowed_currency': None,
-                      'collateral_currency': None,
                       'interest_rate': None,
                       'liquidation_price': None,
                       'is_short': None,
@@ -1051,9 +1028,6 @@ def test_to_json(default_conf, fee):
                       'exchange': 'binance',
 
                       'leverage': None,
-                      'borrowed': None,
-                      'borrowed_currency': None,
-                      'collateral_currency': None,
                       'interest_rate': None,
                       'liquidation_price': None,
                       'is_short': None,
@@ -1189,42 +1163,6 @@ def test_fee_updated(fee):
     assert not trade.fee_updated('asfd')
 
 
-@pytest.mark.usefixtures("init_persistence")
-def test_update_leverage(fee, ten_minutes_ago):
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=True,
-        interest_rate=0.0005
-    )
-    trade.leverage = 3.0
-    assert trade.borrowed == 15.0
-    assert trade.amount == 15.0
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=False,
-        interest_rate=0.0005
-    )
-
-    trade.leverage = 5.0
-    assert trade.borrowed == 20.0
-    assert trade.amount == 25.0
-
-
 @pytest.mark.usefixtures("init_persistence")
 @pytest.mark.parametrize('use_db', [True, False])
 def test_total_open_trades_stakes(fee, use_db):

tests/test_persistence_long.py

@@ -14,7 +14,358 @@ from tests.conftest import create_mock_trades_with_leverage, log_has, log_has_re
 
 
 @pytest.mark.usefixtures("init_persistence")
-def test_update_with_binance(limit_leveraged_buy_order, limit_leveraged_sell_order, fee, ten_minutes_ago, caplog):
+def test_interest_kraken(market_leveraged_buy_order, fee):
+    """
+        Market trade on Kraken at 3x and 5x leverage
+        Short trade
+        interest_rate: 0.05%, 0.25% per 4 hrs
+        open_rate: 0.00004099 base
+        close_rate: 0.00004173 base
+        stake_amount: 0.0037707443218227
+        borrowed: 0.0075414886436454
+        amount:
+            275.97543219 crypto
+            459.95905365 crypto
+        borrowed:
+            0.0075414886436454  base
+            0.0150829772872908  base
+        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
+                        5 hours = 5/4
+
+        interest: borrowed * interest_rate * time-periods
+                = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 base
+                = 0.0075414886436454 * 0.00025 * 5/4 = 2.3567152011391876e-06 base
+                = 0.0150829772872908 * 0.0005 * 5/4 = 9.42686080455675e-06 base
+                = 0.0150829772872908 * 0.00025 * 1 = 3.7707443218227e-06 base
+    """
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0037707443218227,
+        amount=275.97543219,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='kraken',
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+
+    # The trades that last 10 minutes do not need to be rounded because they round up to 4 hours on kraken so we can predict the correct value
+    assert float(trade.calculate_interest()) == 3.7707443218227e-06
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
+    # The trades that last for 5 hours have to be rounded because the length of time that the test takes will vary every time it runs, so we can't predict the exact value
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 11)
+                 ) == round(2.3567152011391876e-06, 11)
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0037707443218227,
+        amount=459.95905365,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='kraken',
+        leverage=5.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 11)
+                 ) == round(9.42686080455675e-06, 11)
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
+    assert float(trade.calculate_interest(interest_rate=0.00025)) == 3.7707443218227e-06
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_interest_binance(market_leveraged_buy_order, fee):
+    """
+        Market trade on Kraken at 3x and 5x leverage
+        Short trade
+        interest_rate: 0.05%, 0.25% per 4 hrs
+        open_rate: 0.00001099 base
+        close_rate: 0.00001173 base
+        stake_amount: 0.0009999999999226999
+        borrowed: 0.0019999999998453998
+        amount:
+            90.99181073 * leverage(3) = 272.97543219 crypto
+            90.99181073 * leverage(5) = 454.95905365 crypto
+        borrowed:
+            0.0019999999998453998  base
+            0.0039999999996907995  base
+        time-periods: 10 minutes(rounds up to 1/24 time-period of 24hrs)
+                        5 hours = 5/24
+
+        interest: borrowed * interest_rate * time-periods
+                = 0.0019999999998453998 * 0.00050 * 1/24 = 4.166666666344583e-08  base
+                = 0.0019999999998453998 * 0.00025 * 5/24 = 1.0416666665861459e-07 base
+                = 0.0039999999996907995 * 0.00050 * 5/24 = 4.1666666663445834e-07 base
+                = 0.0039999999996907995 * 0.00025 * 1/24 = 4.166666666344583e-08  base
+    """
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0009999999999226999,
+        amount=272.97543219,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+    # The trades that last 10 minutes do not always need to be rounded because they round up to 4 hours on kraken so we can predict the correct value
+    assert round(float(trade.calculate_interest()), 22) == round(4.166666666344583e-08, 22)
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
+    # The trades that last for 5 hours have to be rounded because the length of time that the test takes will vary every time it runs, so we can't predict the exact value
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 14)
+                 ) == round(1.0416666665861459e-07, 14)
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0009999999999226999,
+        amount=459.95905365,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        leverage=5.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 14)) == round(4.1666666663445834e-07, 14)
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 22)
+                 ) == round(4.166666666344583e-08, 22)
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_update_open_order(limit_leveraged_buy_order):
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=1.00,
+        open_rate=0.01,
+        amount=5,
+        fee_open=0.1,
+        fee_close=0.1,
+        interest_rate=0.0005,
+        leverage=3.0,
+        exchange='binance',
+    )
+    assert trade.open_order_id is None
+    assert trade.close_profit is None
+    assert trade.close_date is None
+    limit_leveraged_buy_order['status'] = 'open'
+    trade.update(limit_leveraged_buy_order)
+    assert trade.open_order_id is None
+    assert trade.close_profit is None
+    assert trade.close_date is None
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_calc_open_trade_value(market_leveraged_buy_order, fee):
+    """
+        10 minute leveraged market trade on Kraken at 3x leverage
+        Short trade
+        fee: 0.25% base
+        interest_rate: 0.05% per 4 hrs
+        open_rate: 0.00004099 base
+        close_rate: 0.00004173 base
+        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
+        stake_amount: 0.0037707443218227
+        borrowed: 0.0075414886436454 base
+        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
+        interest: borrowed * interest_rate * time-periods
+            = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 crypto
+        open_value: (amount * open_rate) + (amount * open_rate * fee)
+            = (275.97543219 * 0.00004099) + (275.97543219 * 0.00004099 * 0.0025)
+            = 0.01134051354788177
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=5,
+        open_rate=0.00004099,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        interest_rate=0.0005,
+        exchange='kraken',
+        leverage=3
+    )
+    trade.open_order_id = 'open_trade'
+    trade.update(market_leveraged_buy_order)  # Buy @ 0.00001099
+    # Get the open rate price with the standard fee rate
+    assert trade._calc_open_trade_value() == 0.01134051354788177
+    trade.fee_open = 0.003
+    # Get the open rate price with a custom fee rate
+    assert trade._calc_open_trade_value() == 0.011346169664364504
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_calc_open_close_trade_price(limit_leveraged_buy_order, limit_leveraged_sell_order, fee):
+    """
+        5 hour leveraged trade on Binance
+
+        fee: 0.25% base
+        interest_rate: 0.05% per day
+        open_rate: 0.00001099 base
+        close_rate: 0.00001173 base
+        amount: 272.97543219 crypto
+        stake_amount: 0.0009999999999226999 base
+        borrowed: 0.0019999999998453998  base
+        time-periods: 5 hours(rounds up to 5/24 time-period of 1 day)
+        interest: borrowed * interest_rate * time-periods
+                    = 0.0019999999998453998 * 0.0005 * 5/24 = 2.0833333331722917e-07 base
+        open_value: (amount * open_rate) + (amount * open_rate * fee)
+            = (272.97543219 * 0.00001099) + (272.97543219 * 0.00001099 * 0.0025)
+            = 0.0030074999997675204
+        close_value: ((amount_closed * close_rate) - (amount_closed * close_rate * fee)) - interest
+            = (272.97543219 * 0.00001173) - (272.97543219 * 0.00001173 * 0.0025) - 2.0833333331722917e-07
+            = 0.003193788481706411
+        total_profit =  close_value - open_value
+            = 0.003193788481706411 - 0.0030074999997675204
+            = 0.00018628848193889044
+        total_profit_percentage = total_profit / stake_amount
+            = 0.00018628848193889054 / 0.0009999999999226999
+            = 0.18628848195329067
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0009999999999226999,
+        open_rate=0.01,
+        amount=5,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        interest_rate=0.0005
+    )
+    trade.open_order_id = 'something'
+    trade.update(limit_leveraged_buy_order)
+    assert trade._calc_open_trade_value() == 0.00300749999976752
+    trade.update(limit_leveraged_sell_order)
+
+    # Will be slightly different due to slight changes in compilation time, and the fact that interest depends on time
+    assert round(trade.calc_close_trade_value(), 11) == round(0.003193788481706411, 11)
+    # Profit in BTC
+    assert round(trade.calc_profit(), 8) == round(0.00018628848193889054, 8)
+    # Profit in percent
+    assert round(trade.calc_profit_ratio(), 8) == round(0.18628848195329067, 8)
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_trade_close(fee):
+    """
+        5 hour leveraged market trade on Kraken at 3x leverage
+        fee: 0.25% base
+        interest_rate: 0.05% per 4 hrs
+        open_rate: 0.1 base
+        close_rate: 0.2 base
+        amount: 5 * leverage(3) = 15 crypto
+        stake_amount: 0.5
+        borrowed: 1 base
+        time-periods: 5/4 periods of 4hrs
+        interest: borrowed * interest_rate * time-periods
+                    = 1 * 0.0005 * 5/4 = 0.000625 crypto
+        open_value: (amount * open_rate) + (amount * open_rate * fee)
+            = (15 * 0.1) + (15 * 0.1 * 0.0025)
+            = 1.50375
+        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee) - interest
+            = (15 * 0.2) - (15 * 0.2 * 0.0025) - 0.000625
+            = 2.9918750000000003
+        total_profit = close_value - open_value
+            = 2.9918750000000003 - 1.50375 
+            = 1.4881250000000001
+        total_profit_percentage = total_profit / stake_amount
+            = 1.4881250000000001 /  0.5
+            = 2.9762500000000003
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.5,
+        open_rate=0.1,
+        amount=15,
+        is_open=True,
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        exchange='kraken',
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+    assert trade.close_profit is None
+    assert trade.close_date is None
+    assert trade.is_open is True
+    trade.close(0.2)
+    assert trade.is_open is False
+    assert trade.close_profit == round(2.9762500000000003, 8)
+    assert trade.close_date is not None
+
+    # TODO-mg: Remove these comments probably
+    # new_date = arrow.Arrow(2020, 2, 2, 15, 6, 1).datetime,
+    # assert trade.close_date != new_date
+    # # Close should NOT update close_date if the trade has been closed already
+    # assert trade.is_open is False
+    # trade.close_date = new_date
+    # trade.close(0.02)
+    # assert trade.close_date == new_date
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_calc_close_trade_price(market_leveraged_buy_order, market_leveraged_sell_order, fee):
+    """
+        10 minute leveraged market trade on Kraken at 3x leverage
+        Short trade
+        fee: 0.25% base
+        interest_rate: 0.05% per 4 hrs
+        open_rate: 0.00004099 base
+        close_rate: 0.00004173 base
+        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
+        stake_amount: 0.0037707443218227
+        borrowed: 0.0075414886436454 base
+        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
+        interest: borrowed * interest_rate * time-periods
+                    = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 crypto
+        open_value: (amount * open_rate) + (amount * open_rate * fee)
+            = (275.97543219 * 0.00004099) + (275.97543219 * 0.00004099 * 0.0025)
+            = 0.01134051354788177
+        close_value: (amount_closed * close_rate) - (amount_closed * close_rate * fee) - interest
+            = (275.97543219 * 0.00001234) - (275.97543219 * 0.00001234 * 0.0025) - 3.7707443218227e-06 = 0.003393252246819716
+            = (275.97543219 * 0.00001234) - (275.97543219 * 0.00001234 * 0.003)  - 3.7707443218227e-06 = 0.003391549478403104
+            = (275.97543219 * 0.00004173) - (275.97543219 * 0.00004173 * 0.005)  - 3.7707443218227e-06 = 0.011455101767040435
+
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0037707443218227,
+        amount=5,
+        open_rate=0.00004099,
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        interest_rate=0.0005,
+
+        leverage=3.0,
+        exchange='kraken',
+    )
+    trade.open_order_id = 'close_trade'
+    trade.update(market_leveraged_buy_order)  # Buy @ 0.00001099
+    # Get the close rate price with a custom close rate and a regular fee rate
+    assert isclose(trade.calc_close_trade_value(rate=0.00001234), 0.003393252246819716)
+    # Get the close rate price with a custom close rate and a custom fee rate
+    assert isclose(trade.calc_close_trade_value(rate=0.00001234, fee=0.003), 0.003391549478403104)
+    # Test when we apply a Sell order, and ask price with a custom fee rate
+    trade.update(market_leveraged_sell_order)
+    assert isclose(trade.calc_close_trade_value(fee=0.005), 0.011455101767040435)
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_update_limit_order(limit_leveraged_buy_order, limit_leveraged_sell_order, fee, caplog):
     """
         10 minute leveraged limit trade on binance at 3x leverage
 
@@ -50,18 +401,17 @@ def test_update_with_binance(limit_leveraged_buy_order, limit_leveraged_sell_ord
         open_rate=0.01,
         amount=5,
         is_open=True,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
         fee_open=fee.return_value,
         fee_close=fee.return_value,
-        # borrowed=90.99181073,
+        leverage=3.0,
         interest_rate=0.0005,
         exchange='binance'
     )
     # assert trade.open_order_id is None
     assert trade.close_profit is None
     assert trade.close_date is None
-    assert trade.borrowed is None
+
-    assert trade.is_short is None
     # trade.open_order_id = 'something'
     trade.update(limit_leveraged_buy_order)
     # assert trade.open_order_id is None
@@ -69,7 +419,6 @@ def test_update_with_binance(limit_leveraged_buy_order, limit_leveraged_sell_ord
     assert trade.close_profit is None
     assert trade.close_date is None
     assert trade.borrowed == 0.0019999999998453998
-    assert trade.is_short is True
     assert log_has_re(r"LIMIT_BUY has been fulfilled for Trade\(id=2, "
                       r"pair=ETH/BTC, amount=272.97543219, open_rate=0.00001099, open_since=.*\).",
                       caplog)
@@ -78,7 +427,7 @@ def test_update_with_binance(limit_leveraged_buy_order, limit_leveraged_sell_ord
     trade.update(limit_leveraged_sell_order)
     # assert trade.open_order_id is None
     assert trade.close_rate == 0.00001173
-    assert trade.close_profit == 0.18645514861995735
+    assert trade.close_profit == round(0.18645514861995735, 8)
     assert trade.close_date is not None
     assert log_has_re(r"LIMIT_SELL has been fulfilled for Trade\(id=2, "
                       r"pair=ETH/BTC, amount=272.97543219, open_rate=0.00001099, open_since=.*\).",
@@ -86,7 +435,7 @@ def test_update_with_binance(limit_leveraged_buy_order, limit_leveraged_sell_ord
 
 
 @pytest.mark.usefixtures("init_persistence")
-def test_update_market_order(limit_leveraged_buy_order, limit_leveraged_sell_order, fee, ten_minutes_ago, caplog):
+def test_update_market_order(market_leveraged_buy_order, market_leveraged_sell_order, fee,  caplog):
     """
         10 minute leveraged market trade on Kraken at 3x leverage
         Short trade
@@ -94,7 +443,7 @@ def test_update_market_order(limit_leveraged_buy_order, limit_leveraged_sell_ord
         interest_rate: 0.05% per 4 hrs
         open_rate: 0.00004099 base
         close_rate: 0.00004173 base
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
+        amount: = 275.97543219 crypto
         stake_amount: 0.0037707443218227
         borrowed: 0.0075414886436454 base
         time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
@@ -118,19 +467,18 @@ def test_update_market_order(limit_leveraged_buy_order, limit_leveraged_sell_ord
         pair='ETH/BTC',
         stake_amount=0.0037707443218227,
         amount=5,
-        open_rate=0.01,
+        open_rate=0.00004099,
         is_open=True,
         leverage=3,
         fee_open=fee.return_value,
         fee_close=fee.return_value,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
         interest_rate=0.0005,
         exchange='kraken'
     )
     trade.open_order_id = 'something'
-    trade.update(limit_leveraged_buy_order)
+    trade.update(market_leveraged_buy_order)
     assert trade.leverage == 3.0
-    assert trade.is_short == True
     assert trade.open_order_id is None
     assert trade.open_rate == 0.00004099
     assert trade.close_profit is None
@@ -144,10 +492,10 @@ def test_update_market_order(limit_leveraged_buy_order, limit_leveraged_sell_ord
     caplog.clear()
     trade.is_open = True
     trade.open_order_id = 'something'
-    trade.update(limit_leveraged_sell_order)
+    trade.update(market_leveraged_sell_order)
     assert trade.open_order_id is None
     assert trade.close_rate == 0.00004173
-    assert trade.close_profit == 0.03802415223225211
+    assert trade.close_profit == round(0.03802415223225211, 8)
     assert trade.close_date is not None
     # TODO: The amount should maybe be the opening amount + the interest
     # TODO: Uncomment the next assert and make it work.
@@ -157,116 +505,6 @@ def test_update_market_order(limit_leveraged_buy_order, limit_leveraged_sell_ord
                       caplog)
 
 
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_open_close_trade_price(limit_leveraged_buy_order, limit_leveraged_sell_order, five_hours_ago, fee):
-    """
-        5 hour leveraged trade on Binance
-
-        fee: 0.25% base
-        interest_rate: 0.05% per day
-        open_rate: 0.00001099 base
-        close_rate: 0.00001173 base
-        amount: 272.97543219 crypto
-        stake_amount: 0.0009999999999226999 base
-        borrowed: 0.0019999999998453998  base
-        time-periods: 5 hours(rounds up to 5/24 time-period of 1 day)
-        interest: borrowed * interest_rate * time-periods
-                    = 0.0019999999998453998 * 0.0005 * 5/24 = 2.0833333331722917e-07 base
-        open_value: (amount * open_rate) + (amount * open_rate * fee)
-            = (272.97543219 * 0.00001099) + (272.97543219 * 0.00001099 * 0.0025)
-            = 0.0030074999997675204
-        close_value: (amount_closed * close_rate) - (amount_closed * close_rate * fee)
-            = (272.97543219 * 0.00001173) - (272.97543219 * 0.00001173 * 0.0025)
-            = 0.003193996815039728
-        total_profit =  close_value - open_value - interest
-            = 0.003193996815039728 - 0.0030074999997675204 - 2.0833333331722917e-07
-            = 0.00018628848193889054
-        total_profit_percentage = total_profit / stake_amount
-            = 0.00018628848193889054 / 0.0009999999999226999
-            = 0.18628848195329067
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.0009999999999226999,
-        open_rate=0.01,
-        amount=5,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        interest_rate=0.0005
-    )
-    trade.open_order_id = 'something'
-    trade.update(limit_leveraged_buy_order)
-    assert trade._calc_open_trade_value() == 0.0030074999997675204
-    trade.update(limit_leveraged_sell_order)
-
-    # Will be slightly different due to slight changes in compilation time, and the fact that interest depends on time
-    assert round(trade.calc_close_trade_value(), 11) == round(0.003193996815039728, 11)
-    # Profit in BTC
-    assert round(trade.calc_profit(), 8) == round(0.18628848195329067, 8)
-    # Profit in percent
-    # assert round(trade.calc_profit_ratio(), 11) == round(0.05822425142973869, 11)
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_trade_close(fee, five_hours_ago):
-    """
-        5 hour leveraged market trade on Kraken at 3x leverage
-        fee: 0.25% base
-        interest_rate: 0.05% per 4 hrs
-        open_rate: 0.1 base
-        close_rate: 0.2 base
-        amount: 5 * leverage(3) = 15 crypto
-        stake_amount: 0.5
-        borrowed: 1 base
-        time-periods: 5/4 periods of 4hrs
-        interest: borrowed * interest_rate * time-periods
-                    = 1 * 0.0005 * 5/4 = 0.000625 crypto
-        open_value: (amount * open_rate) + (amount * open_rate * fee)
-            = (15 * 0.1) + (15 * 0.1 * 0.0025)
-            = 1.50375
-        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
-            = (15 * 0.2) - (15 * 0.2 * 0.0025)
-            = 2.9925
-        total_profit = close_value - open_value - interest
-            = 2.9925 - 1.50375 - 0.000625
-            = 1.4881250000000001
-        total_profit_percentage = total_profit / stake_amount
-            = 1.4881250000000001 /  0.5
-            = 2.9762500000000003
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.1,
-        open_rate=0.01,
-        amount=5,
-        is_open=True,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        open_date=five_hours_ago,
-        exchange='kraken',
-        leverage=3.0,
-        interest_rate=0.0005
-    )
-    assert trade.close_profit is None
-    assert trade.close_date is None
-    assert trade.is_open is True
-    trade.close(0.02)
-    assert trade.is_open is False
-    assert trade.close_profit == round(2.9762500000000003, 8)
-    assert trade.close_date is not None
-
-    # TODO-mg: Remove these comments probably
-    # new_date = arrow.Arrow(2020, 2, 2, 15, 6, 1).datetime,
-    # assert trade.close_date != new_date
-    # # Close should NOT update close_date if the trade has been closed already
-    # assert trade.is_open is False
-    # trade.close_date = new_date
-    # trade.close(0.02)
-    # assert trade.close_date == new_date
-
-
 @pytest.mark.usefixtures("init_persistence")
 def test_calc_close_trade_price_exception(limit_leveraged_buy_order, fee):
     trade = Trade(
@@ -278,7 +516,7 @@ def test_calc_close_trade_price_exception(limit_leveraged_buy_order, fee):
         fee_close=fee.return_value,
         exchange='binance',
         interest_rate=0.0005,
-        borrowed=0.002
+        leverage=3.0
     )
     trade.open_order_id = 'something'
     trade.update(limit_leveraged_buy_order)
@@ -286,118 +524,7 @@ def test_calc_close_trade_price_exception(limit_leveraged_buy_order, fee):
 
 
 @pytest.mark.usefixtures("init_persistence")
-def test_update_open_order(limit_leveraged_buy_order):
+def test_calc_profit(market_leveraged_buy_order, market_leveraged_sell_order, fee):
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=1.00,
-        open_rate=0.01,
-        amount=5,
-        fee_open=0.1,
-        fee_close=0.1,
-        interest_rate=0.0005,
-        borrowed=2.00,
-        exchange='binance',
-    )
-    assert trade.open_order_id is None
-    assert trade.close_profit is None
-    assert trade.close_date is None
-    limit_leveraged_buy_order['status'] = 'open'
-    trade.update(limit_leveraged_buy_order)
-    assert trade.open_order_id is None
-    assert trade.close_profit is None
-    assert trade.close_date is None
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_open_trade_value(market_leveraged_buy_order, ten_minutes_ago, fee):
-    """
-        10 minute leveraged market trade on Kraken at 3x leverage
-        Short trade
-        fee: 0.25% base
-        interest_rate: 0.05% per 4 hrs
-        open_rate: 0.00004099 base
-        close_rate: 0.00004173 base
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
-        stake_amount: 0.0037707443218227
-        borrowed: 0.0075414886436454 base
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-        interest: borrowed * interest_rate * time-periods
-            = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 crypto
-        open_value: (amount * open_rate) + (amount * open_rate * fee)
-            = (275.97543219 * 0.00004099) + (275.97543219 * 0.00004099 * 0.0025)
-            = 0.01134051354788177
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00004099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        interest_rate=0.0005,
-        exchange='kraken',
-        leverage=3
-    )
-    trade.open_order_id = 'open_trade'
-    trade.update(market_leveraged_buy_order)  # Buy @ 0.00001099
-    # Get the open rate price with the standard fee rate
-    assert trade._calc_open_trade_value() == 0.01134051354788177
-    trade.fee_open = 0.003
-    # Get the open rate price with a custom fee rate
-    assert trade._calc_open_trade_value() == 0.011346169664364504
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_close_trade_price(market_leveraged_buy_order, market_leveraged_sell_order, ten_minutes_ago, fee):
-    """
-        10 minute leveraged market trade on Kraken at 3x leverage
-        Short trade
-        fee: 0.25% base
-        interest_rate: 0.05% per 4 hrs
-        open_rate: 0.00004099 base
-        close_rate: 0.00004173 base
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
-        stake_amount: 0.0037707443218227
-        borrowed: 0.0075414886436454 base
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-        interest: borrowed * interest_rate * time-periods
-                    = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 crypto
-        open_value: (amount * open_rate) + (amount * open_rate * fee)
-            = (275.97543219 * 0.00004099) + (275.97543219 * 0.00004099 * 0.0025)
-            = 0.01134051354788177
-        close_value: (amount_closed * close_rate) - (amount_closed * close_rate * fee)
-            = (275.97543219 * 0.00001234) - (275.97543219 * 0.00001234 * 0.0025) = 0.0033970229911415386
-            = (275.97543219 * 0.00001234) - (275.97543219 * 0.00001234 * 0.003)  = 0.0033953202227249265
-            = (275.97543219 * 0.00004173) - (275.97543219 * 0.00004173 * 0.005)  = 0.011458872511362258
-
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00001099,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        open_date=ten_minutes_ago,
-        interest_rate=0.0005,
-        is_short=True,
-        leverage=3.0,
-        exchange='kraken',
-    )
-    trade.open_order_id = 'close_trade'
-    trade.update(market_leveraged_buy_order)  # Buy @ 0.00001099
-    # Get the close rate price with a custom close rate and a regular fee rate
-    assert isclose(trade.calc_close_trade_value(rate=0.00001234), 0.0033970229911415386)
-    # Get the close rate price with a custom close rate and a custom fee rate
-    assert isclose(trade.calc_close_trade_value(rate=0.00001234, fee=0.003), 0.0033953202227249265)
-    # Test when we apply a Sell order, and ask price with a custom fee rate
-    trade.update(market_leveraged_sell_order)
-    assert isclose(trade.calc_close_trade_value(fee=0.005), 0.011458872511362258)
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_profit(market_leveraged_buy_order, market_leveraged_sell_order, ten_minutes_ago, five_hours_ago, fee):
     """
         # TODO: Update this one
         Leveraged trade on Kraken at 3x leverage
@@ -418,29 +545,29 @@ def test_calc_profit(market_leveraged_buy_order, market_leveraged_sell_order, te
                     = 0.0075414886436454 * 0.00025 * 1   = 1.88537216091135e-06 crypto
         open_value: (amount * open_rate) + (amount * open_rate * fee)
             = (275.97543219 * 0.00004099) + (275.97543219 * 0.00004099 * 0.0025) = 0.01134051354788177
-        close_value: (amount_closed * close_rate) - (amount_closed * close_rate * fee)
+        close_value: (amount_closed * close_rate) - (amount_closed * close_rate * fee) - interest
-            (275.97543219 * 0.00005374) - (275.97543219 * 0.00005374 * 0.0025) = 0.014793842426575873
+            (275.97543219 * 0.00005374) - (275.97543219 * 0.00005374 * 0.0025) - 3.7707443218227e-06 = 0.01479007168225405
-            (275.97543219 * 0.00000437) - (275.97543219 * 0.00000437 * 0.0025) = 0.0012029976070736241
+            (275.97543219 * 0.00000437) - (275.97543219 * 0.00000437 * 0.0025) - 2.3567152011391876e-06 = 0.001200640891872485
-            (275.97543219 * 0.00005374) - (275.97543219 * 0.00005374 * 0.003) = 0.014786426966712927
+            (275.97543219 * 0.00005374) - (275.97543219 * 0.00005374 * 0.003)  - 4.713430402278375e-06 = 0.014781713536310649
-            (275.97543219 * 0.00000437) - (275.97543219 * 0.00000437 * 0.003) = 0.0012023946007542888
+            (275.97543219 * 0.00000437) - (275.97543219 * 0.00000437 * 0.003)  - 1.88537216091135e-06 = 0.0012005092285933775
         total_profit = close_value - open_value
-            = 0.014793842426575873 - 0.01134051354788177  = 0.003453328878694104
+            = 0.01479007168225405  - 0.01134051354788177  = 0.003449558134372281
-            = 0.0012029976070736241 - 0.01134051354788177 = -0.010137515940808145
+            = 0.001200640891872485 - 0.01134051354788177  = -0.010139872656009285
-            = 0.014786426966712927 - 0.01134051354788177  = 0.0034459134188311574
+            = 0.014781713536310649  - 0.01134051354788177 = 0.0034411999884288794
-            = 0.0012023946007542888 - 0.01134051354788177 = -0.01013811894712748
+            = 0.0012005092285933775 - 0.01134051354788177 = -0.010140004319288392
         total_profit_percentage = total_profit / stake_amount
-            0.003453328878694104/0.0037707443218227   = 0.9158215418394733
+            0.003449558134372281/0.0037707443218227  = 0.9148215418394732
-            -0.010137515940808145/0.0037707443218227  = -2.6884654793852154
+            -0.010139872656009285/0.0037707443218227 = -2.6890904793852157
-            0.0034459134188311574/0.0037707443218227  = 0.9138549646255183
+            0.0034411999884288794/0.0037707443218227 = 0.9126049646255184
-            -0.01013811894712748/0.0037707443218227   = -2.6886253964381557
+            -0.010140004319288392/0.0037707443218227 = -2.6891253964381554
 
     """
     trade = Trade(
         pair='ETH/BTC',
-        stake_amount=0.0038388182617629,
+        stake_amount=0.0037707443218227,
         amount=5,
         open_rate=0.00004099,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
         fee_open=fee.return_value,
         fee_close=fee.return_value,
         exchange='kraken',
@@ -452,31 +579,31 @@ def test_calc_profit(market_leveraged_buy_order, market_leveraged_sell_order, te
     # Custom closing rate and regular fee rate
 
     # Higher than open rate
-    assert trade.calc_profit(rate=0.00004374, interest_rate=0.0005) == round(
+    assert trade.calc_profit(rate=0.00005374, interest_rate=0.0005) == round(
-        0.003453328878694104, 8)
+        0.003449558134372281, 8)
     assert trade.calc_profit_ratio(
-        rate=0.00004374, interest_rate=0.0005) == round(0.9158215418394733, 8)
+        rate=0.00005374, interest_rate=0.0005) == round(0.9148215418394732, 8)
 
     # Lower than open rate
-    trade.open_date = five_hours_ago
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
     assert trade.calc_profit(
-        rate=0.00000437, interest_rate=0.00025) == round(-0.010137515940808145, 8)
+        rate=0.00000437, interest_rate=0.00025) == round(-0.010139872656009285, 8)
     assert trade.calc_profit_ratio(
-        rate=0.00000437, interest_rate=0.00025) == round(-2.6884654793852154, 8)
+        rate=0.00000437, interest_rate=0.00025) == round(-2.6890904793852157, 8)
 
     # Custom closing rate and custom fee rate
     # Higher than open rate
-    assert trade.calc_profit(rate=0.00004374, fee=0.003,
+    assert trade.calc_profit(rate=0.00005374, fee=0.003,
-                             interest_rate=0.0005) == round(0.0034459134188311574, 8)
+                             interest_rate=0.0005) == round(0.0034411999884288794, 8)
-    assert trade.calc_profit_ratio(rate=0.00004374, fee=0.003,
+    assert trade.calc_profit_ratio(rate=0.00005374, fee=0.003,
-                                   interest_rate=0.0005) == round(0.9138549646255183, 8)
+                                   interest_rate=0.0005) == round(0.9126049646255184, 8)
 
     # Lower than open rate
-    trade.open_date = ten_minutes_ago
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
     assert trade.calc_profit(rate=0.00000437, fee=0.003,
-                             interest_rate=0.00025) == round(-0.01013811894712748, 8)
+                             interest_rate=0.00025) == round(-0.010140004319288392, 8)
     assert trade.calc_profit_ratio(rate=0.00000437, fee=0.003,
-                                   interest_rate=0.00025) == round(-2.6886253964381557, 8)
+                                   interest_rate=0.00025) == round(-2.6891253964381554, 8)
 
     # Test when we apply a Sell order. Sell higher than open rate @ 0.00001173
     trade.update(market_leveraged_sell_order)
@@ -486,131 +613,3 @@ def test_calc_profit(market_leveraged_buy_order, market_leveraged_sell_order, te
     # Test with a custom fee rate on the close trade
     # assert trade.calc_profit(fee=0.003) == 0.00006163
     # assert trade.calc_profit_ratio(fee=0.003) == 0.06147824
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_interest_kraken(market_leveraged_buy_order, ten_minutes_ago, five_hours_ago, fee):
-    """
-        Market trade on Kraken at 3x and 8x leverage
-        Short trade
-        interest_rate: 0.05%, 0.25% per 4 hrs
-        open_rate: 0.00004099 base
-        close_rate: 0.00004173 base
-        stake_amount: 0.0037707443218227
-        borrowed: 0.0075414886436454
-        amount:
-            91.99181073 * leverage(3) = 275.97543219 crypto
-            91.99181073 * leverage(5) = 459.95905365 crypto
-        borrowed:
-            0.0075414886436454  base
-            0.0150829772872908  base
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-                        5 hours = 5/4
-
-        interest: borrowed * interest_rate * time-periods
-                = 0.0075414886436454 * 0.0005 * 1 = 3.7707443218227e-06 base
-                = 0.0075414886436454 * 0.00025 * 5/4 = 2.3567152011391876e-06 base
-                = 0.0150829772872908 * 0.0005 * 5/4 = 9.42686080455675e-06 base
-                = 0.0150829772872908 * 0.00025 * 1 = 3.7707443218227e-06 base
-    """
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.0037707443218227,
-        amount=91.99181073,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='kraken',
-        leverage=3.0,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 3.7707443218227e-06
-    trade.open_date = five_hours_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
-                 ) == 2.3567152011391876e-06  # TODO: Fails with 0.08624233
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.0037707443218227,
-        amount=91.99181073,
-        open_rate=0.00001099,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='kraken',
-        is_short=True,
-        leverage=5.0,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)
-                 ) == 9.42686080455675e-06  # TODO: Fails with 0.28747445
-    trade.open_date = ten_minutes_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 3.7707443218227e-06
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_interest_binance(market_leveraged_buy_order, ten_minutes_ago, five_hours_ago, fee):
-    """
-        Market trade on Kraken at 3x and 8x leverage
-        Short trade
-        interest_rate: 0.05%, 0.25% per 4 hrs
-        open_rate: 0.00004099 base
-        close_rate: 0.00004173 base
-        stake_amount: 0.0037707443218227
-        borrowed: 0.0075414886436454
-        amount:
-            91.99181073 * leverage(3) = 275.97543219 crypto
-            91.99181073 * leverage(5) = 459.95905365 crypto
-        borrowed:
-            0.0075414886436454  base
-            0.0150829772872908  base
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-                        5 hours = 5/24
-
-        interest: borrowed * interest_rate * time-periods
-                = 0.0075414886436454 * 0.0005 * 1/24 = 1.571143467426125e-07 base
-                = 0.0075414886436454 * 0.00025 * 5/24 = 3.9278586685653125e-07 base
-                = 0.0150829772872908 * 0.0005 * 5/24 = 1.571143467426125e-06 base
-                = 0.0150829772872908 * 0.00025 * 1/24 = 1.571143467426125e-07 base
-    """
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=275.97543219,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=True,
-        borrowed=275.97543219,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 1.571143467426125e-07
-    trade.open_date = five_hours_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
-                 ) == 3.9278586685653125e-07
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=459.95905365,
-        open_rate=0.00001099,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=True,
-        borrowed=459.95905365,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 1.571143467426125e-06
-    trade.open_date = ten_minutes_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 1.571143467426125e-07

tests/test_persistence_short.py

@@ -14,7 +14,357 @@ from tests.conftest import create_mock_trades_with_leverage, log_has, log_has_re
 
 
 @pytest.mark.usefixtures("init_persistence")
-def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, ten_minutes_ago, caplog):
+def test_interest_kraken(market_short_order, fee):
+    """
+        Market trade on Kraken at 3x and 8x leverage
+        Short trade
+        interest_rate: 0.05%, 0.25% per 4 hrs
+        open_rate: 0.00004173 base
+        close_rate: 0.00004099 base
+        amount:
+            275.97543219 crypto
+            459.95905365 crypto
+        borrowed:
+            275.97543219  crypto
+            459.95905365  crypto
+        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
+                        5 hours = 5/4
+
+        interest: borrowed * interest_rate * time-periods
+                    = 275.97543219 * 0.0005 * 1    = 0.137987716095 crypto
+                    = 275.97543219 * 0.00025 * 5/4 = 0.086242322559375 crypto
+                    = 459.95905365 * 0.0005 * 5/4  = 0.28747440853125 crypto
+                    = 459.95905365 * 0.00025 * 1   = 0.1149897634125 crypto
+    """
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=275.97543219,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='kraken',
+        is_short=True,
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 8)) == round(0.137987716095, 8)
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
+                 ) == round(0.086242322559375, 8)
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=459.95905365,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='kraken',
+        is_short=True,
+        leverage=5.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 8)) == round(0.28747440853125, 8)
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
+                 ) == round(0.1149897634125, 8)
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_interest_binance(market_short_order, fee):
+    """
+        Market trade on Binance at 3x and 5x leverage
+        Short trade
+        interest_rate: 0.05%, 0.25% per 1 day
+        open_rate: 0.00004173 base
+        close_rate: 0.00004099 base
+        amount:
+            91.99181073 * leverage(3) = 275.97543219 crypto
+            91.99181073 * leverage(5) = 459.95905365 crypto
+        borrowed:
+            275.97543219  crypto
+            459.95905365  crypto
+        time-periods: 10 minutes(rounds up to 1/24 time-period of 1 day)
+                        5 hours = 5/24
+
+        interest: borrowed * interest_rate * time-periods
+                    = 275.97543219 * 0.0005 * 1/24 = 0.005749488170625 crypto
+                    = 275.97543219 * 0.00025 * 5/24 = 0.0143737204265625 crypto
+                    = 459.95905365 * 0.0005 * 5/24 = 0.047912401421875 crypto
+                    = 459.95905365 * 0.00025 * 1/24 = 0.0047912401421875 crypto
+    """
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=275.97543219,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        is_short=True,
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 8)) == 0.00574949
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.01437372
+
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=459.95905365,
+        open_rate=0.00001099,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        is_short=True,
+        leverage=5.0,
+        interest_rate=0.0005
+    )
+
+    assert float(round(trade.calculate_interest(), 8)) == 0.04791240
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
+    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.00479124
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_calc_open_trade_value(market_short_order, fee):
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=5,
+        open_rate=0.00004173,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        interest_rate=0.0005,
+        is_short=True,
+        leverage=3.0,
+        exchange='kraken',
+    )
+    trade.open_order_id = 'open_trade'
+    trade.update(market_short_order)  # Buy @ 0.00001099
+    # Get the open rate price with the standard fee rate
+    assert trade._calc_open_trade_value() == 0.011487663648325479
+    trade.fee_open = 0.003
+    # Get the open rate price with a custom fee rate
+    assert trade._calc_open_trade_value() == 0.011481905420932834
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_update_open_order(limit_short_order):
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=1.00,
+        open_rate=0.01,
+        amount=5,
+        leverage=3.0,
+        fee_open=0.1,
+        fee_close=0.1,
+        interest_rate=0.0005,
+        is_short=True,
+        exchange='binance',
+    )
+    assert trade.open_order_id is None
+    assert trade.close_profit is None
+    assert trade.close_date is None
+    limit_short_order['status'] = 'open'
+    trade.update(limit_short_order)
+    assert trade.open_order_id is None
+    assert trade.close_profit is None
+    assert trade.close_date is None
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_calc_close_trade_price_exception(limit_short_order, fee):
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        open_rate=0.1,
+        amount=15.0,
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        interest_rate=0.0005,
+        leverage=3.0,
+        is_short=True
+    )
+    trade.open_order_id = 'something'
+    trade.update(limit_short_order)
+    assert trade.calc_close_trade_value() == 0.0
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_calc_close_trade_price(market_short_order, market_exit_short_order, fee):
+    """
+        10 minute short market trade on Kraken at 3x leverage
+        Short trade
+        fee: 0.25% base
+        interest_rate: 0.05% per 4 hrs
+        open_rate: 0.00004173 base
+        close_rate: 0.00001234 base
+        amount: = 275.97543219 crypto
+        borrowed: 275.97543219  crypto
+        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
+        interest: borrowed * interest_rate * time-periods
+                    = 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
+        amount_closed: amount + interest = 275.97543219 + 0.137987716095 = 276.113419906095
+        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
+            = (276.113419906095 * 0.00001234) + (276.113419906095 * 0.00001234 * 0.0025)
+            = 0.01134618380465571
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.001,
+        amount=5,
+        open_rate=0.00001099,
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        interest_rate=0.0005,
+        is_short=True,
+        leverage=3.0,
+        exchange='kraken',
+    )
+    trade.open_order_id = 'close_trade'
+    trade.update(market_short_order)  # Buy @ 0.00001099
+    # Get the close rate price with a custom close rate and a regular fee rate
+    assert isclose(trade.calc_close_trade_value(rate=0.00001234), 0.003415757700645315)
+    # Get the close rate price with a custom close rate and a custom fee rate
+    assert isclose(trade.calc_close_trade_value(rate=0.00001234, fee=0.003), 0.0034174613204461354)
+    # Test when we apply a Sell order, and ask price with a custom fee rate
+    trade.update(market_exit_short_order)
+    assert isclose(trade.calc_close_trade_value(fee=0.005), 0.011374478527360586)
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_calc_open_close_trade_price(limit_short_order, limit_exit_short_order, fee):
+    """
+        5 hour short trade on Binance
+        Short trade
+        fee: 0.25% base
+        interest_rate: 0.05% per day
+        open_rate: 0.00001173 base
+        close_rate: 0.00001099 base
+        amount: 90.99181073 crypto
+        borrowed: 90.99181073  crypto
+        stake_amount: 0.0010673339398629
+        time-periods: 5 hours = 5/24
+        interest: borrowed * interest_rate * time-periods
+                    = 90.99181073 * 0.0005 * 5/24 = 0.009478313617708333 crypto
+        open_value: (amount * open_rate) - (amount * open_rate * fee)
+            = (90.99181073 * 0.00001173) - (90.99181073 * 0.00001173 * 0.0025)
+            = 0.0010646656050132426
+        amount_closed: amount + interest = 90.99181073 + 0.009478313617708333 = 91.0012890436177
+        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
+            = (91.0012890436177 * 0.00001099) + (91.0012890436177 * 0.00001099 * 0.0025)
+            = 0.001002604427005832
+        total_profit = open_value - close_value
+            = 0.0010646656050132426 - 0.001002604427005832
+            = 0.00006206117800741065
+        total_profit_percentage = (close_value - open_value) / stake_amount
+            = (0.0010646656050132426 - 0.0010025208853391716)/0.0010673339398629
+            = 0.05822425142973869
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.0010673339398629,
+        open_rate=0.01,
+        amount=5,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        exchange='binance',
+        interest_rate=0.0005
+    )
+    trade.open_order_id = 'something'
+    trade.update(limit_short_order)
+    assert trade._calc_open_trade_value() == 0.0010646656050132426
+    trade.update(limit_exit_short_order)
+
+    # Will be slightly different due to slight changes in compilation time, and the fact that interest depends on time
+    assert round(trade.calc_close_trade_value(), 11) == round(0.001002604427005832, 11)
+    # Profit in BTC
+    assert round(trade.calc_profit(), 8) == round(0.00006206117800741065, 8)
+    # Profit in percent
+    # assert round(trade.calc_profit_ratio(), 11) == round(0.05822425142973869, 11)
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_trade_close(fee):
+    """
+        Five hour short trade on Kraken at 3x leverage
+        Short trade
+        Exchange: Kraken
+        fee: 0.25% base
+        interest_rate: 0.05% per 4 hours
+        open_rate: 0.02 base
+        close_rate: 0.01 base
+        leverage: 3.0
+        amount: 15 crypto
+        borrowed: 15 crypto
+        time-periods: 5 hours = 5/4
+
+        interest: borrowed * interest_rate * time-periods
+                    = 15 * 0.0005 * 5/4 = 0.009375 crypto
+        open_value: (amount * open_rate) - (amount * open_rate * fee)
+            = (15 * 0.02) - (15 * 0.02 * 0.0025)
+            = 0.29925
+        amount_closed: amount + interest = 15 + 0.009375 = 15.009375
+        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
+            = (15.009375 * 0.01) + (15.009375 * 0.01 * 0.0025)
+            = 0.150468984375
+        total_profit = open_value - close_value
+            = 0.29925 - 0.150468984375
+            = 0.148781015625
+        total_profit_percentage = total_profit / stake_amount
+            = 0.148781015625 / 0.1
+            = 1.4878101562500001
+    """
+    trade = Trade(
+        pair='ETH/BTC',
+        stake_amount=0.1,
+        open_rate=0.02,
+        amount=15,
+        is_open=True,
+        fee_open=fee.return_value,
+        fee_close=fee.return_value,
+        open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
+        exchange='kraken',
+        is_short=True,
+        leverage=3.0,
+        interest_rate=0.0005
+    )
+    assert trade.close_profit is None
+    assert trade.close_date is None
+    assert trade.is_open is True
+    trade.close(0.01)
+    assert trade.is_open is False
+    assert trade.close_profit == round(1.4878101562500001, 8)
+    assert trade.close_date is not None
+
+    # TODO-mg: Remove these comments probably
+    # new_date = arrow.Arrow(2020, 2, 2, 15, 6, 1).datetime,
+    # assert trade.close_date != new_date
+    # # Close should NOT update close_date if the trade has been closed already
+    # assert trade.is_open is False
+    # trade.close_date = new_date
+    # trade.close(0.02)
+    # assert trade.close_date == new_date
+
+
+@ pytest.mark.usefixtures("init_persistence")
+def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, caplog):
     """
         10 minute short limit trade on binance
 
@@ -40,7 +390,7 @@ def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, ten
             = 0.0010646656050132426 - 0.0010025208853391716
             = 0.00006214471967407108
         total_profit_percentage = (close_value - open_value) / stake_amount
-            = (0.0010646656050132426 - 0.0010025208853391716) / 0.0010673339398629
+            = 0.00006214471967407108 / 0.0010673339398629
             = 0.05822425142973869
 
     """
@@ -51,7 +401,7 @@ def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, ten
         open_rate=0.01,
         amount=5,
         is_open=True,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
         fee_open=fee.return_value,
         fee_close=fee.return_value,
         # borrowed=90.99181073,
@@ -61,7 +411,7 @@ def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, ten
     # assert trade.open_order_id is None
     assert trade.close_profit is None
     assert trade.close_date is None
-    assert trade.borrowed is None
+    assert trade.borrowed == 0.0
     assert trade.is_short is None
     # trade.open_order_id = 'something'
     trade.update(limit_short_order)
@@ -86,12 +436,11 @@ def test_update_with_binance(limit_short_order, limit_exit_short_order, fee, ten
                       caplog)
 
 
-@pytest.mark.usefixtures("init_persistence")
+@ pytest.mark.usefixtures("init_persistence")
 def test_update_market_order(
     market_short_order,
     market_exit_short_order,
     fee,
-    ten_minutes_ago,
     caplog
 ):
     """
@@ -101,7 +450,7 @@ def test_update_market_order(
         interest_rate: 0.05% per 4 hrs
         open_rate: 0.00004173 base
         close_rate: 0.00004099 base
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
+        amount: = 275.97543219 crypto
         stake_amount: 0.0038388182617629
         borrowed: 275.97543219  crypto
         time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
@@ -130,7 +479,8 @@ def test_update_market_order(
         is_open=True,
         fee_open=fee.return_value,
         fee_close=fee.return_value,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
+        leverage=3.0,
         interest_rate=0.0005,
         exchange='kraken'
     )
@@ -164,233 +514,8 @@ def test_update_market_order(
     #                   caplog)
 
 
-@pytest.mark.usefixtures("init_persistence")
+@ pytest.mark.usefixtures("init_persistence")
-def test_calc_open_close_trade_price(limit_short_order, limit_exit_short_order, five_hours_ago, fee):
+def test_calc_profit(market_short_order, market_exit_short_order, fee):
-    """
-        5 hour short trade on Binance
-        Short trade
-        fee: 0.25% base
-        interest_rate: 0.05% per day
-        open_rate: 0.00001173 base
-        close_rate: 0.00001099 base
-        amount: 90.99181073 crypto
-        borrowed: 90.99181073  crypto
-        stake_amount: 0.0010673339398629
-        time-periods: 5 hours = 5/24
-        interest: borrowed * interest_rate * time-periods
-                    = 90.99181073 * 0.0005 * 5/24 = 0.009478313617708333 crypto
-        open_value: (amount * open_rate) - (amount * open_rate * fee)
-            = (90.99181073 * 0.00001173) - (90.99181073 * 0.00001173 * 0.0025)
-            = 0.0010646656050132426
-        amount_closed: amount + interest = 90.99181073 + 0.009478313617708333 = 91.0012890436177
-        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
-            = (91.0012890436177 * 0.00001099) + (91.0012890436177 * 0.00001099 * 0.0025)
-            = 0.001002604427005832
-        total_profit = open_value - close_value
-            = 0.0010646656050132426 - 0.001002604427005832
-            = 0.00006206117800741065
-        total_profit_percentage = (close_value - open_value) / stake_amount
-            = (0.0010646656050132426 - 0.0010025208853391716)/0.0010673339398629
-            = 0.05822425142973869
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.0010673339398629,
-        open_rate=0.01,
-        amount=5,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        interest_rate=0.0005
-    )
-    trade.open_order_id = 'something'
-    trade.update(limit_short_order)
-    assert trade._calc_open_trade_value() == 0.0010646656050132426
-    trade.update(limit_exit_short_order)
-
-    # Will be slightly different due to slight changes in compilation time, and the fact that interest depends on time
-    assert round(trade.calc_close_trade_value(), 11) == round(0.001002604427005832, 11)
-    # Profit in BTC
-    assert round(trade.calc_profit(), 8) == round(0.00006206117800741065, 8)
-    # Profit in percent
-    # assert round(trade.calc_profit_ratio(), 11) == round(0.05822425142973869, 11)
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_trade_close(fee, five_hours_ago):
-    """
-        Five hour short trade on Kraken at 3x leverage
-        Short trade
-        Exchange: Kraken
-        fee: 0.25% base
-        interest_rate: 0.05% per 4 hours
-        open_rate: 0.02 base
-        close_rate: 0.01 base
-        leverage: 3.0
-        amount: 5 * 3 = 15 crypto
-        borrowed: 15 crypto
-        time-periods: 5 hours = 5/4
-
-        interest: borrowed * interest_rate * time-periods
-                    = 15 * 0.0005 * 5/4 = 0.009375 crypto
-        open_value: (amount * open_rate) - (amount * open_rate * fee)
-            = (15 * 0.02) - (15 * 0.02 * 0.0025)
-            = 0.29925
-        amount_closed: amount + interest = 15 + 0.009375 = 15.009375
-        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
-            = (15.009375 * 0.01) + (15.009375 * 0.01 * 0.0025)
-            = 0.150468984375
-        total_profit = open_value - close_value
-            = 0.29925 - 0.150468984375
-            = 0.148781015625
-        total_profit_percentage = total_profit / stake_amount
-            = 0.148781015625 / 0.1
-            = 1.4878101562500001
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.1,
-        open_rate=0.02,
-        amount=5,
-        is_open=True,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        open_date=five_hours_ago,
-        exchange='kraken',
-        is_short=True,
-        leverage=3.0,
-        interest_rate=0.0005
-    )
-    assert trade.close_profit is None
-    assert trade.close_date is None
-    assert trade.is_open is True
-    trade.close(0.01)
-    assert trade.is_open is False
-    assert trade.close_profit == round(1.4878101562500001, 8)
-    assert trade.close_date is not None
-
-    # TODO-mg: Remove these comments probably
-    # new_date = arrow.Arrow(2020, 2, 2, 15, 6, 1).datetime,
-    # assert trade.close_date != new_date
-    # # Close should NOT update close_date if the trade has been closed already
-    # assert trade.is_open is False
-    # trade.close_date = new_date
-    # trade.close(0.02)
-    # assert trade.close_date == new_date
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_close_trade_price_exception(limit_short_order, fee):
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        open_rate=0.1,
-        amount=5,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        interest_rate=0.0005,
-        is_short=True,
-        borrowed=15
-    )
-    trade.open_order_id = 'something'
-    trade.update(limit_short_order)
-    assert trade.calc_close_trade_value() == 0.0
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_update_open_order(limit_short_order):
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=1.00,
-        open_rate=0.01,
-        amount=5,
-        fee_open=0.1,
-        fee_close=0.1,
-        interest_rate=0.0005,
-        is_short=True,
-        exchange='binance',
-    )
-    assert trade.open_order_id is None
-    assert trade.close_profit is None
-    assert trade.close_date is None
-    limit_short_order['status'] = 'open'
-    trade.update(limit_short_order)
-    assert trade.open_order_id is None
-    assert trade.close_profit is None
-    assert trade.close_date is None
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_open_trade_value(market_short_order, ten_minutes_ago, fee):
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00004173,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        interest_rate=0.0005,
-        is_short=True,
-        leverage=3.0,
-        exchange='kraken',
-    )
-    trade.open_order_id = 'open_trade'
-    trade.update(market_short_order)  # Buy @ 0.00001099
-    # Get the open rate price with the standard fee rate
-    assert trade._calc_open_trade_value() == 0.011487663648325479
-    trade.fee_open = 0.003
-    # Get the open rate price with a custom fee rate
-    assert trade._calc_open_trade_value() == 0.011481905420932834
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_close_trade_price(market_short_order, market_exit_short_order, ten_minutes_ago, fee):
-    """
-        10 minute short market trade on Kraken at 3x leverage
-        Short trade
-        fee: 0.25% base
-        interest_rate: 0.05% per 4 hrs
-        open_rate: 0.00004173 base
-        close_rate: 0.00001234 base
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
-        borrowed: 275.97543219  crypto
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-        interest: borrowed * interest_rate * time-periods
-                    = 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
-        amount_closed: amount + interest = 275.97543219 + 0.137987716095 = 276.113419906095
-        close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
-            = (276.113419906095 * 0.00001234) + (276.113419906095 * 0.00001234 * 0.0025)
-            = 0.01134618380465571
-    """
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=5,
-        open_rate=0.00001099,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        open_date=ten_minutes_ago,
-        interest_rate=0.0005,
-        is_short=True,
-        leverage=3.0,
-        exchange='kraken',
-    )
-    trade.open_order_id = 'close_trade'
-    trade.update(market_short_order)  # Buy @ 0.00001099
-    # Get the close rate price with a custom close rate and a regular fee rate
-    assert isclose(trade.calc_close_trade_value(rate=0.00001234), 0.003415757700645315)
-    # Get the close rate price with a custom close rate and a custom fee rate
-    assert isclose(trade.calc_close_trade_value(rate=0.00001234, fee=0.003), 0.0034174613204461354)
-    # Test when we apply a Sell order, and ask price with a custom fee rate
-    trade.update(market_exit_short_order)
-    assert isclose(trade.calc_close_trade_value(fee=0.005), 0.011374478527360586)
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ago, five_hours_ago, fee):
     """
         Market trade on Kraken at 3x leverage
         Short trade
@@ -399,7 +524,7 @@ def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ag
         open_rate: 0.00004173 base
         close_rate: 0.00004099 base
         stake_amount: 0.0038388182617629
-        amount: 91.99181073 * leverage(3) = 275.97543219 crypto
+        amount: = 275.97543219 crypto
         borrowed: 275.97543219  crypto
         time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
                         5 hours = 5/4
@@ -438,7 +563,7 @@ def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ag
         stake_amount=0.0038388182617629,
         amount=5,
         open_rate=0.00001099,
-        open_date=ten_minutes_ago,
+        open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
         fee_open=fee.return_value,
         fee_close=fee.return_value,
         exchange='kraken',
@@ -456,7 +581,7 @@ def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ag
         rate=0.00004374, interest_rate=0.0005) == round(-0.16143779115744006, 8)
 
     # Lower than open rate
-    trade.open_date = five_hours_ago
+    trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
     assert trade.calc_profit(rate=0.00000437, interest_rate=0.00025) == round(0.01027826, 8)
     assert trade.calc_profit_ratio(
         rate=0.00000437, interest_rate=0.00025) == round(2.677453699564163, 8)
@@ -469,7 +594,7 @@ def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ag
                                    interest_rate=0.0005) == round(-0.16340506919482353, 8)
 
     # Lower than open rate
-    trade.open_date = ten_minutes_ago
+    trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
     assert trade.calc_profit(rate=0.00000437, fee=0.003,
                              interest_rate=0.00025) == round(0.01027773, 8)
     assert trade.calc_profit_ratio(rate=0.00000437, fee=0.003,
@@ -485,129 +610,6 @@ def test_calc_profit(market_short_order, market_exit_short_order, ten_minutes_ag
     # assert trade.calc_profit_ratio(fee=0.003) == 0.06147824
 
 
-@pytest.mark.usefixtures("init_persistence")
-def test_interest_kraken(market_short_order, ten_minutes_ago, five_hours_ago, fee):
-    """
-        Market trade on Kraken at 3x and 8x leverage
-        Short trade
-        interest_rate: 0.05%, 0.25% per 4 hrs
-        open_rate: 0.00004173 base
-        close_rate: 0.00004099 base
-        amount:
-            91.99181073 * leverage(3) = 275.97543219 crypto
-            91.99181073 * leverage(5) = 459.95905365 crypto
-        borrowed:
-            275.97543219  crypto
-            459.95905365  crypto
-        time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
-                        5 hours = 5/4
-
-        interest: borrowed * interest_rate * time-periods
-                    = 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
-                    = 275.97543219 * 0.00025 * 5/4 = 0.086242322559375 crypto
-                    = 459.95905365 * 0.0005 * 5/4 = 0.28747440853125 crypto
-                    = 459.95905365 * 0.00025 * 1 = 0.1149897634125 crypto
-    """
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=91.99181073,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='kraken',
-        is_short=True,
-        leverage=3.0,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 0.13798772
-    trade.open_date = five_hours_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
-                 ) == 0.08624232  # TODO: Fails with 0.08624233
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=91.99181073,
-        open_rate=0.00001099,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='kraken',
-        is_short=True,
-        leverage=5.0,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 0.28747441  # TODO: Fails with 0.28747445
-    trade.open_date = ten_minutes_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.11498976
-
-
-@pytest.mark.usefixtures("init_persistence")
-def test_interest_binance(market_short_order, ten_minutes_ago, five_hours_ago, fee):
-    """
-        Market trade on Binance at 3x and 5x leverage
-        Short trade
-        interest_rate: 0.05%, 0.25% per 1 day
-        open_rate: 0.00004173 base
-        close_rate: 0.00004099 base
-        amount:
-            91.99181073 * leverage(3) = 275.97543219 crypto
-            91.99181073 * leverage(5) = 459.95905365 crypto
-        borrowed:
-            275.97543219  crypto
-            459.95905365  crypto
-        time-periods: 10 minutes(rounds up to 1/24 time-period of 1 day)
-                        5 hours = 5/24
-
-        interest: borrowed * interest_rate * time-periods
-                    = 275.97543219 * 0.0005 * 1/24 = 0.005749488170625 crypto
-                    = 275.97543219 * 0.00025 * 5/24 = 0.0143737204265625 crypto
-                    = 459.95905365 * 0.0005 * 5/24 = 0.047912401421875 crypto
-                    = 459.95905365 * 0.00025 * 1/24 = 0.0047912401421875 crypto
-    """
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=275.97543219,
-        open_rate=0.00001099,
-        open_date=ten_minutes_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=True,
-        borrowed=275.97543219,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 0.00574949
-    trade.open_date = five_hours_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.01437372
-
-    trade = Trade(
-        pair='ETH/BTC',
-        stake_amount=0.001,
-        amount=459.95905365,
-        open_rate=0.00001099,
-        open_date=five_hours_ago,
-        fee_open=fee.return_value,
-        fee_close=fee.return_value,
-        exchange='binance',
-        is_short=True,
-        borrowed=459.95905365,
-        interest_rate=0.0005
-    )
-
-    assert float(round(trade.calculate_interest(), 8)) == 0.04791240
-    trade.open_date = ten_minutes_ago
-    assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.00479124
-
-
 def test_adjust_stop_loss(fee):
     trade = Trade(
         pair='ETH/BTC',
@@ -653,11 +655,13 @@ def test_adjust_stop_loss(fee):
     assert trade.initial_stop_loss == 1.05
     assert trade.initial_stop_loss_pct == 0.05
     assert trade.stop_loss_pct == 0.1
+    trade.liquidation_price == 1.03
+
     # TODO-mg: Do a test with a trade that has a liquidation price
 
 
-@pytest.mark.usefixtures("init_persistence")
+@ pytest.mark.usefixtures("init_persistence")
-@pytest.mark.parametrize('use_db', [True, False])
+@ pytest.mark.parametrize('use_db', [True, False])
 def test_get_open(fee, use_db):
     Trade.use_db = use_db
     Trade.reset_trades()
@@ -679,7 +683,8 @@ def test_stoploss_reinitialization(default_conf, fee):
         exchange='binance',
         open_rate=1,
         max_rate=1,
-        is_short=True
+        is_short=True,
+        leverage=3.0,
     )
     trade.adjust_stop_loss(trade.open_rate, -0.05, True)
     assert trade.stop_loss == 1.05
@@ -720,8 +725,8 @@ def test_stoploss_reinitialization(default_conf, fee):
     assert trade_adj.initial_stop_loss_pct == 0.04
 
 
-@pytest.mark.usefixtures("init_persistence")
+@ pytest.mark.usefixtures("init_persistence")
-@pytest.mark.parametrize('use_db', [True, False])
+@ pytest.mark.parametrize('use_db', [True, False])
 def test_total_open_trades_stakes(fee, use_db):
     Trade.use_db = use_db
     Trade.reset_trades()
@@ -733,7 +738,7 @@ def test_total_open_trades_stakes(fee, use_db):
     Trade.use_db = True
 
 
-@pytest.mark.usefixtures("init_persistence")
+@ pytest.mark.usefixtures("init_persistence")
 def test_get_best_pair(fee):
     res = Trade.get_best_pair()
     assert res is None