Merge branch 'develop' into arrow_deprecation_timestamp

README.md

@@ -140,6 +140,10 @@ information about the bot, we encourage you to join our slack channel.
 
 - [Click here to join Slack channel](https://join.slack.com/t/highfrequencybot/shared_invite/enQtNjU5ODcwNjI1MDU3LTU1MTgxMjkzNmYxNWE1MDEzYzQ3YmU4N2MwZjUyNjJjODRkMDVkNjg4YTAyZGYzYzlhOTZiMTE4ZjQ4YzM0OGE).
 
+To those interested to check out the newly created discord channel. Click [here](https://discord.gg/MA9v74M)
+
+P.S. currently since discord channel is relatively new, answers to questions might be slightly delayed as currently the user base quite small.
+
 ### [Bugs / Issues](https://github.com/freqtrade/freqtrade/issues?q=is%3Aissue)
 
 If you discover a bug in the bot, please

config.json.example

@@ -5,15 +5,15 @@
     "tradable_balance_ratio": 0.99,
     "fiat_display_currency": "USD",
     "timeframe": "5m",
-    "dry_run": false,
+    "dry_run": true,
     "cancel_open_orders_on_exit": false,
     "unfilledtimeout": {
         "buy": 10,
         "sell": 30
     },
     "bid_strategy": {
-        "ask_last_balance": 0.0,
         "use_order_book": false,
+        "ask_last_balance": 0.0,
         "order_book_top": 1,
         "check_depth_of_market": {
             "enabled": false,

config_full.json.example

@@ -7,7 +7,7 @@
     "amount_reserve_percent": 0.05,
     "amend_last_stake_amount": false,
     "last_stake_amount_min_ratio": 0.5,
-    "dry_run": false,
+    "dry_run": true,
     "cancel_open_orders_on_exit": false,
     "timeframe": "5m",
     "trailing_stop": false,

config_kraken.json.example

@@ -27,12 +27,11 @@
         "use_sell_signal": true,
         "sell_profit_only": false,
         "ignore_roi_if_buy_signal": false
-
     },
     "exchange": {
         "name": "kraken",
-        "key": "",
+        "key": "your_exchange_key",
-        "secret": "",
+        "secret": "your_exchange_key",
         "ccxt_config": {"enableRateLimit": true},
         "ccxt_async_config": {
             "enableRateLimit": true,

docs/index.md

@@ -64,6 +64,10 @@ For any questions not covered by the documentation or for further information ab
 
 Click [here](https://join.slack.com/t/highfrequencybot/shared_invite/enQtNjU5ODcwNjI1MDU3LTU1MTgxMjkzNmYxNWE1MDEzYzQ3YmU4N2MwZjUyNjJjODRkMDVkNjg4YTAyZGYzYzlhOTZiMTE4ZjQ4YzM0OGE) to join the Freqtrade Slack channel.
 
+To those interested to check out the newly created discord channel. Click [here](https://discord.gg/MA9v74M)
+
+P.S. currently since discord channel is relatively new, answers to questions might be slightly delayed as currently the user base quite small.
+
 ## Ready to try?
 
 Begin by reading our installation guide [for docker](docker.md), or for [installation without docker](installation.md).

docs/requirements-docs.txt

@@ -1,3 +1,3 @@
-mkdocs-material==6.0.2
+mkdocs-material==6.1.0
 mdx_truly_sane_lists==1.2
 pymdown-extensions==8.0.1

freqtrade/commands/list_commands.py

@@ -205,14 +205,14 @@ def start_show_trades(args: Dict[str, Any]) -> None:
     """
     import json
 
-    from freqtrade.persistence import Trade, init
+    from freqtrade.persistence import Trade, init_db
     config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
 
     if 'db_url' not in config:
         raise OperationalException("--db-url is required for this command.")
 
     logger.info(f'Using DB: "{config["db_url"]}"')
-    init(config['db_url'], clean_open_orders=False)
+    init_db(config['db_url'], clean_open_orders=False)
     tfilter = []
 
     if config.get('trade_ids'):

freqtrade/data/btanalysis.py

@@ -9,10 +9,9 @@ from typing import Any, Dict, Optional, Tuple, Union
 import numpy as np
 import pandas as pd
 
-from freqtrade import persistence
 from freqtrade.constants import LAST_BT_RESULT_FN
 from freqtrade.misc import json_load
-from freqtrade.persistence import Trade
+from freqtrade.persistence import Trade, init_db
 
 
 logger = logging.getLogger(__name__)
@@ -218,7 +217,7 @@ def load_trades_from_db(db_url: str, strategy: Optional[str] = None) -> pd.DataF
                      Can also serve as protection to load the correct result.
     :return: Dataframe containing Trades
     """
-    persistence.init(db_url, clean_open_orders=False)
+    init_db(db_url, clean_open_orders=False)
 
     columns = ["pair", "open_date", "close_date", "profit", "profit_percent",
                "open_rate", "close_rate", "amount", "trade_duration", "sell_reason",

freqtrade/exchange/__init__.py

@@ -5,6 +5,7 @@ from freqtrade.exchange.exchange import Exchange
 # isort: on
 from freqtrade.exchange.bibox import Bibox
 from freqtrade.exchange.binance import Binance
+from freqtrade.exchange.bittrex import Bittrex
 from freqtrade.exchange.exchange import (available_exchanges, ccxt_exchanges,
                                          get_exchange_bad_reason, is_exchange_bad,
                                          is_exchange_known_ccxt, is_exchange_officially_supported,

freqtrade/exchange/binance.py

@@ -20,20 +20,9 @@ class Binance(Exchange):
         "order_time_in_force": ['gtc', 'fok', 'ioc'],
         "trades_pagination": "id",
         "trades_pagination_arg": "fromId",
+        "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],
     }
 
-    def fetch_l2_order_book(self, pair: str, limit: int = 100) -> dict:
-        """
-        get order book level 2 from exchange
-
-        20180619: binance support limits but only on specific range
-        """
-        limit_range = [5, 10, 20, 50, 100, 500, 1000]
-        # get next-higher step in the limit_range list
-        limit = min(list(filter(lambda x: limit <= x, limit_range)))
-
-        return super().fetch_l2_order_book(pair, limit)
-
     def stoploss_adjust(self, stop_loss: float, order: Dict) -> bool:
         """
         Verify stop_loss against stoploss-order value (limit or price)

freqtrade/exchange/bittrex.py

@@ -0,0 +1,23 @@
+""" Bittrex exchange subclass """
+import logging
+from typing import Dict
+
+from freqtrade.exchange import Exchange
+
+
+logger = logging.getLogger(__name__)
+
+
+class Bittrex(Exchange):
+    """
+    Bittrex exchange class. Contains adjustments needed for Freqtrade to work
+    with this exchange.
+
+    Please note that this exchange is not included in the list of exchanges
+    officially supported by the Freqtrade development team. So some features
+    may still not work as expected.
+    """
+
+    _ft_has: Dict = {
+        "l2_limit_range": [1, 25, 500],
+    }

freqtrade/exchange/exchange.py

@@ -53,7 +53,7 @@ class Exchange:
         "ohlcv_partial_candle": True,
         "trades_pagination": "time",  # Possible are "time" or "id"
         "trades_pagination_arg": "since",
-
+        "l2_limit_range": None,
     }
     _ft_has: Dict = {}
 
@@ -1069,6 +1069,16 @@ class Exchange:
             return self.fetch_stoploss_order(order_id, pair)
         return self.fetch_order(order_id, pair)
 
+    @staticmethod
+    def get_next_limit_in_list(limit: int, limit_range: Optional[List[int]]):
+        """
+        Get next greater value in the list.
+        Used by fetch_l2_order_book if the api only supports a limited range
+        """
+        if not limit_range:
+            return limit
+        return min([x for x in limit_range if limit <= x] + [max(limit_range)])
+
     @retrier
     def fetch_l2_order_book(self, pair: str, limit: int = 100) -> dict:
         """
@@ -1077,9 +1087,10 @@ class Exchange:
         Returns a dict in the format
         {'asks': [price, volume], 'bids': [price, volume]}
         """
+        limit1 = self.get_next_limit_in_list(limit, self._ft_has['l2_limit_range'])
         try:
 
-            return self._api.fetch_l2_order_book(pair, limit)
+            return self._api.fetch_l2_order_book(pair, limit1)
         except ccxt.NotSupported as e:
             raise OperationalException(
                 f'Exchange {self._api.name} does not support fetching order book.'

freqtrade/freqtradebot.py

@@ -12,7 +12,7 @@ from typing import Any, Dict, List, Optional
 import arrow
 from cachetools import TTLCache
 
-from freqtrade import __version__, constants, persistence
+from freqtrade import __version__, constants
 from freqtrade.configuration import validate_config_consistency
 from freqtrade.data.converter import order_book_to_dataframe
 from freqtrade.data.dataprovider import DataProvider
@@ -22,7 +22,7 @@ from freqtrade.exceptions import (DependencyException, ExchangeError, Insufficie
 from freqtrade.exchange import timeframe_to_minutes, timeframe_to_next_date
 from freqtrade.misc import safe_value_fallback, safe_value_fallback2
 from freqtrade.pairlist.pairlistmanager import PairListManager
-from freqtrade.persistence import Order, Trade
+from freqtrade.persistence import Order, Trade, cleanup_db, init_db
 from freqtrade.resolvers import ExchangeResolver, StrategyResolver
 from freqtrade.rpc import RPCManager, RPCMessageType
 from freqtrade.state import State
@@ -68,7 +68,7 @@ class FreqtradeBot:
 
         self.exchange = ExchangeResolver.load_exchange(self.config['exchange']['name'], self.config)
 
-        persistence.init(self.config.get('db_url', None), clean_open_orders=self.config['dry_run'])
+        init_db(self.config.get('db_url', None), clean_open_orders=self.config['dry_run'])
 
         self.wallets = Wallets(self.config, self.exchange)
 
@@ -123,7 +123,7 @@ class FreqtradeBot:
         self.check_for_open_trades()
 
         self.rpc.cleanup()
-        persistence.cleanup()
+        cleanup_db()
 
     def startup(self) -> None:
         """

freqtrade/optimize/backtesting.py

@@ -4,11 +4,11 @@
 This module contains the backtesting logic
 """
 import logging
+from collections import defaultdict
 from copy import deepcopy
 from datetime import datetime, timedelta
 from typing import Any, Dict, List, NamedTuple, Optional, Tuple
 
-import arrow
 from pandas import DataFrame
 
 from freqtrade.configuration import TimeRange, remove_credentials, validate_config_consistency
@@ -28,6 +28,15 @@ from freqtrade.strategy.interface import IStrategy, SellCheckTuple, SellType
 
 logger = logging.getLogger(__name__)
 
+# Indexes for backtest tuples
+DATE_IDX = 0
+BUY_IDX = 1
+OPEN_IDX = 2
+CLOSE_IDX = 3
+SELL_IDX = 4
+LOW_IDX = 5
+HIGH_IDX = 6
+
 
 class BacktestResult(NamedTuple):
     """
@@ -115,7 +124,7 @@ class Backtesting:
         """
         Load strategy into backtesting
         """
-        self.strategy = strategy
+        self.strategy: IStrategy = strategy
         # Set stoploss_on_exchange to false for backtesting,
         # since a "perfect" stoploss-sell is assumed anyway
         # And the regular "stoploss" function would not apply to that case
@@ -147,12 +156,14 @@ class Backtesting:
 
         return data, timerange
 
-    def _get_ohlcv_as_lists(self, processed: Dict) -> Dict[str, DataFrame]:
+    def _get_ohlcv_as_lists(self, processed: Dict[str, DataFrame]) -> Dict[str, Tuple]:
         """
         Helper function to convert a processed dataframes into lists for performance reasons.
 
         Used by backtest() - so keep this optimized for performance.
         """
+        # Every change to this headers list must evaluate further usages of the resulting tuple
+        # and eventually change the constants for indexes at the top
         headers = ['date', 'buy', 'open', 'close', 'sell', 'low', 'high']
         data: Dict = {}
         # Create dict with data
@@ -172,10 +183,10 @@ class Backtesting:
 
             # Convert from Pandas to list for performance reasons
             # (Looping Pandas is slow.)
-            data[pair] = [x for x in df_analyzed.itertuples()]
+            data[pair] = [x for x in df_analyzed.itertuples(index=False, name=None)]
         return data
 
-    def _get_close_rate(self, sell_row, trade: Trade, sell: SellCheckTuple,
+    def _get_close_rate(self, sell_row: Tuple, trade: Trade, sell: SellCheckTuple,
                         trade_dur: int) -> float:
         """
         Get close rate for backtesting result
@@ -186,12 +197,12 @@ class Backtesting:
             return trade.stop_loss
         elif sell.sell_type == (SellType.ROI):
             roi_entry, roi = self.strategy.min_roi_reached_entry(trade_dur)
-            if roi is not None:
+            if roi is not None and roi_entry is not None:
                 if roi == -1 and roi_entry % self.timeframe_min == 0:
                     # When forceselling with ROI=-1, the roi time will always be equal to trade_dur.
                     # If that entry is a multiple of the timeframe (so on candle open)
                     # - we'll use open instead of close
-                    return sell_row.open
+                    return sell_row[OPEN_IDX]
 
                 # - (Expected abs profit + open_rate + open_fee) / (fee_close -1)
                 close_rate = - (trade.open_rate * roi + trade.open_rate *
@@ -199,91 +210,79 @@ class Backtesting:
 
                 if (trade_dur > 0 and trade_dur == roi_entry
                         and roi_entry % self.timeframe_min == 0
-                        and sell_row.open > close_rate):
+                        and sell_row[OPEN_IDX] > close_rate):
                     # new ROI entry came into effect.
                     # use Open rate if open_rate > calculated sell rate
-                    return sell_row.open
+                    return sell_row[OPEN_IDX]
 
                 # Use the maximum between close_rate and low as we
                 # cannot sell outside of a candle.
                 # Applies when a new ROI setting comes in place and the whole candle is above that.
-                return max(close_rate, sell_row.low)
+                return max(close_rate, sell_row[LOW_IDX])
 
             else:
                 # This should not be reached...
-                return sell_row.open
+                return sell_row[OPEN_IDX]
         else:
-            return sell_row.open
+            return sell_row[OPEN_IDX]
 
-    def _get_sell_trade_entry(
+    def _get_sell_trade_entry(self, trade: Trade, sell_row: Tuple) -> Optional[BacktestResult]:
-            self, pair: str, buy_row: DataFrame,
-            partial_ohlcv: List, trade_count_lock: Dict,
-            stake_amount: float, max_open_trades: int) -> Optional[BacktestResult]:
 
-        trade = Trade(
+        sell = self.strategy.should_sell(trade, sell_row[OPEN_IDX], sell_row[DATE_IDX],
-            pair=pair,
+                                         sell_row[BUY_IDX], sell_row[SELL_IDX],
-            open_rate=buy_row.open,
+                                         low=sell_row[LOW_IDX], high=sell_row[HIGH_IDX])
-            open_date=buy_row.date,
+        if sell.sell_flag:
-            stake_amount=stake_amount,
+            trade_dur = int((sell_row[DATE_IDX] - trade.open_date).total_seconds() // 60)
-            amount=round(stake_amount / buy_row.open, 8),
+            closerate = self._get_close_rate(sell_row, trade, sell, trade_dur)
-            fee_open=self.fee,
-            fee_close=self.fee,
-            is_open=True,
-        )
-        logger.debug(f"{pair} - Backtesting emulates creation of new trade: {trade}.")
-        # calculate win/lose forwards from buy point
-        for sell_row in partial_ohlcv:
-            if max_open_trades > 0:
-                # Increase trade_count_lock for every iteration
-                trade_count_lock[sell_row.date] = trade_count_lock.get(sell_row.date, 0) + 1
 
-            sell = self.strategy.should_sell(trade, sell_row.open, sell_row.date, sell_row.buy,
+            return BacktestResult(pair=trade.pair,
-                                             sell_row.sell, low=sell_row.low, high=sell_row.high)
+                                  profit_percent=trade.calc_profit_ratio(rate=closerate),
-            if sell.sell_flag:
+                                  profit_abs=trade.calc_profit(rate=closerate),
-                trade_dur = int((sell_row.date - buy_row.date).total_seconds() // 60)
+                                  open_date=trade.open_date,
-                closerate = self._get_close_rate(sell_row, trade, sell, trade_dur)
+                                  open_rate=trade.open_rate,
-
+                                  open_fee=self.fee,
-                return BacktestResult(pair=pair,
+                                  close_date=sell_row[DATE_IDX],
-                                      profit_percent=trade.calc_profit_ratio(rate=closerate),
+                                  close_rate=closerate,
-                                      profit_abs=trade.calc_profit(rate=closerate),
+                                  close_fee=self.fee,
-                                      open_date=buy_row.date,
+                                  amount=trade.amount,
-                                      open_rate=buy_row.open,
+                                  trade_duration=trade_dur,
-                                      open_fee=self.fee,
+                                  open_at_end=False,
-                                      close_date=sell_row.date,
+                                  sell_reason=sell.sell_type
-                                      close_rate=closerate,
+                                  )
-                                      close_fee=self.fee,
-                                      amount=trade.amount,
-                                      trade_duration=trade_dur,
-                                      open_at_end=False,
-                                      sell_reason=sell.sell_type
-                                      )
-        if partial_ohlcv:
-            # no sell condition found - trade stil open at end of backtest period
-            sell_row = partial_ohlcv[-1]
-            bt_res = BacktestResult(pair=pair,
-                                    profit_percent=trade.calc_profit_ratio(rate=sell_row.open),
-                                    profit_abs=trade.calc_profit(rate=sell_row.open),
-                                    open_date=buy_row.date,
-                                    open_rate=buy_row.open,
-                                    open_fee=self.fee,
-                                    close_date=sell_row.date,
-                                    close_rate=sell_row.open,
-                                    close_fee=self.fee,
-                                    amount=trade.amount,
-                                    trade_duration=int((
-                                        sell_row.date - buy_row.date).total_seconds() // 60),
-                                    open_at_end=True,
-                                    sell_reason=SellType.FORCE_SELL
-                                    )
-            logger.debug(f"{pair} - Force selling still open trade, "
-                         f"profit percent: {bt_res.profit_percent}, "
-                         f"profit abs: {bt_res.profit_abs}")
-
-            return bt_res
         return None
 
+    def handle_left_open(self, open_trades: Dict[str, List[Trade]],
+                         data: Dict[str, List[Tuple]]) -> List[BacktestResult]:
+        """
+        Handling of left open trades at the end of backtesting
+        """
+        trades = []
+        for pair in open_trades.keys():
+            if len(open_trades[pair]) > 0:
+                for trade in open_trades[pair]:
+                    sell_row = data[pair][-1]
+                    trade_entry = BacktestResult(pair=trade.pair,
+                                                 profit_percent=trade.calc_profit_ratio(
+                                                     rate=sell_row[OPEN_IDX]),
+                                                 profit_abs=trade.calc_profit(sell_row[OPEN_IDX]),
+                                                 open_date=trade.open_date,
+                                                 open_rate=trade.open_rate,
+                                                 open_fee=self.fee,
+                                                 close_date=sell_row[DATE_IDX],
+                                                 close_rate=sell_row[OPEN_IDX],
+                                                 close_fee=self.fee,
+                                                 amount=trade.amount,
+                                                 trade_duration=int((
+                                                     sell_row[DATE_IDX] - trade.open_date
+                                                 ).total_seconds() // 60),
+                                                 open_at_end=True,
+                                                 sell_reason=SellType.FORCE_SELL
+                                                 )
+                    trades.append(trade_entry)
+        return trades
+
     def backtest(self, processed: Dict, stake_amount: float,
-                 start_date: arrow.Arrow, end_date: arrow.Arrow,
+                 start_date: datetime, end_date: datetime,
                  max_open_trades: int = 0, position_stacking: bool = False) -> DataFrame:
         """
         Implement backtesting functionality
@@ -305,19 +304,21 @@ class Backtesting:
                      f"max_open_trades: {max_open_trades}, position_stacking: {position_stacking}"
                      )
         trades = []
-        trade_count_lock: Dict = {}
 
         # Use dict of lists with data for performance
         # (looping lists is a lot faster than pandas DataFrames)
         data: Dict = self._get_ohlcv_as_lists(processed)
 
-        lock_pair_until: Dict = {}
         # Indexes per pair, so some pairs are allowed to have a missing start.
         indexes: Dict = {}
         tmp = start_date + timedelta(minutes=self.timeframe_min)
 
+        open_trades: Dict[str, List] = defaultdict(list)
+        open_trade_count = 0
+
         # Loop timerange and get candle for each pair at that point in time
-        while tmp < end_date:
+        while tmp <= end_date:
+            open_trade_count_start = open_trade_count
 
             for i, pair in enumerate(data):
                 if pair not in indexes:
@@ -331,42 +332,52 @@ class Backtesting:
                     continue
 
                 # Waits until the time-counter reaches the start of the data for this pair.
-                if row.date > tmp.datetime:
+                if row[DATE_IDX] > tmp:
                     continue
-
                 indexes[pair] += 1
 
-                if row.buy == 0 or row.sell == 1:
+                # without positionstacking, we can only have one open trade per pair.
-                    continue  # skip rows where no buy signal or that would immediately sell off
+                # max_open_trades must be respected
+                # don't open on the last row
+                if ((position_stacking or len(open_trades[pair]) == 0)
+                        and max_open_trades > 0 and open_trade_count_start < max_open_trades
+                        and tmp != end_date
+                        and row[BUY_IDX] == 1 and row[SELL_IDX] != 1):
+                    # Enter trade
+                    trade = Trade(
+                        pair=pair,
+                        open_rate=row[OPEN_IDX],
+                        open_date=row[DATE_IDX],
+                        stake_amount=stake_amount,
+                        amount=round(stake_amount / row[OPEN_IDX], 8),
+                        fee_open=self.fee,
+                        fee_close=self.fee,
+                        is_open=True,
+                    )
+                    # TODO: hacky workaround to avoid opening > max_open_trades
+                    # This emulates previous behaviour - not sure if this is correct
+                    # Prevents buying if the trade-slot was freed in this candle
+                    open_trade_count_start += 1
+                    open_trade_count += 1
+                    # logger.debug(f"{pair} - Backtesting emulates creation of new trade: {trade}.")
+                    open_trades[pair].append(trade)
 
-                if (not position_stacking and pair in lock_pair_until
+                for trade in open_trades[pair]:
-                        and row.date <= lock_pair_until[pair]):
+                    # since indexes has been incremented before, we need to go one step back to
-                    # without positionstacking, we can only have one open trade per pair.
+                    # also check the buying candle for sell conditions.
-                    continue
+                    trade_entry = self._get_sell_trade_entry(trade, row)
-
+                    # Sell occured
-                if max_open_trades > 0:
+                    if trade_entry:
-                    # Check if max_open_trades has already been reached for the given date
+                        # logger.debug(f"{pair} - Backtesting sell {trade}")
-                    if not trade_count_lock.get(row.date, 0) < max_open_trades:
+                        open_trade_count -= 1
-                        continue
+                        open_trades[pair].remove(trade)
-                    trade_count_lock[row.date] = trade_count_lock.get(row.date, 0) + 1
+                        trades.append(trade_entry)
-
-                # since indexes has been incremented before, we need to go one step back to
-                # also check the buying candle for sell conditions.
-                trade_entry = self._get_sell_trade_entry(pair, row, data[pair][indexes[pair]-1:],
-                                                         trade_count_lock, stake_amount,
-                                                         max_open_trades)
-
-                if trade_entry:
-                    logger.debug(f"{pair} - Locking pair till "
-                                 f"close_date={trade_entry.close_date}")
-                    lock_pair_until[pair] = trade_entry.close_date
-                    trades.append(trade_entry)
-                else:
-                    # Set lock_pair_until to end of testing period if trade could not be closed
-                    lock_pair_until[pair] = end_date.datetime
 
             # Move time one configured time_interval ahead.
             tmp += timedelta(minutes=self.timeframe_min)
+
+        trades += self.handle_left_open(open_trades, data=data)
+
         return DataFrame.from_records(trades, columns=BacktestResult._fields)
 
     def start(self) -> None:
@@ -412,8 +423,8 @@ class Backtesting:
             results = self.backtest(
                 processed=preprocessed,
                 stake_amount=self.config['stake_amount'],
-                start_date=min_date,
+                start_date=min_date.datetime,
-                end_date=max_date,
+                end_date=max_date.datetime,
                 max_open_trades=max_open_trades,
                 position_stacking=position_stacking,
             )

freqtrade/optimize/hyperopt.py

@@ -94,14 +94,14 @@ class Hyperopt:
 
         # Populate functions here (hasattr is slow so should not be run during "regular" operations)
         if hasattr(self.custom_hyperopt, 'populate_indicators'):
-            self.backtesting.strategy.advise_indicators = \
+            self.backtesting.strategy.advise_indicators = (  # type: ignore
-                self.custom_hyperopt.populate_indicators  # type: ignore
+                self.custom_hyperopt.populate_indicators)  # type: ignore
         if hasattr(self.custom_hyperopt, 'populate_buy_trend'):
-            self.backtesting.strategy.advise_buy = \
+            self.backtesting.strategy.advise_buy = (  # type: ignore
-                self.custom_hyperopt.populate_buy_trend  # type: ignore
+                self.custom_hyperopt.populate_buy_trend)  # type: ignore
         if hasattr(self.custom_hyperopt, 'populate_sell_trend'):
-            self.backtesting.strategy.advise_sell = \
+            self.backtesting.strategy.advise_sell = (  # type: ignore
-                self.custom_hyperopt.populate_sell_trend  # type: ignore
+                self.custom_hyperopt.populate_sell_trend)  # type: ignore
 
         # Use max_open_trades for hyperopt as well, except --disable-max-market-positions is set
         if self.config.get('use_max_market_positions', True):
@@ -508,16 +508,16 @@ class Hyperopt:
         params_details = self._get_params_details(params_dict)
 
         if self.has_space('roi'):
-            self.backtesting.strategy.minimal_roi = \
+            self.backtesting.strategy.minimal_roi = (  # type: ignore
-                self.custom_hyperopt.generate_roi_table(params_dict)
+                self.custom_hyperopt.generate_roi_table(params_dict))
 
         if self.has_space('buy'):
-            self.backtesting.strategy.advise_buy = \
+            self.backtesting.strategy.advise_buy = (  # type: ignore
-                self.custom_hyperopt.buy_strategy_generator(params_dict)
+                self.custom_hyperopt.buy_strategy_generator(params_dict))
 
         if self.has_space('sell'):
-            self.backtesting.strategy.advise_sell = \
+            self.backtesting.strategy.advise_sell = (  # type: ignore
-                self.custom_hyperopt.sell_strategy_generator(params_dict)
+                self.custom_hyperopt.sell_strategy_generator(params_dict))
 
         if self.has_space('stoploss'):
             self.backtesting.strategy.stoploss = params_dict['stoploss']
@@ -538,8 +538,8 @@ class Hyperopt:
         backtesting_results = self.backtesting.backtest(
             processed=processed,
             stake_amount=self.config['stake_amount'],
-            start_date=min_date,
+            start_date=min_date.datetime,
-            end_date=max_date,
+            end_date=max_date.datetime,
             max_open_trades=self.max_open_trades,
             position_stacking=self.position_stacking,
         )

freqtrade/persistence/__init__.py

@@ -1,3 +1,3 @@
 # flake8: noqa: F401
 
-from freqtrade.persistence.models import Order, Trade, clean_dry_run_db, cleanup, init
+from freqtrade.persistence.models import Order, Trade, clean_dry_run_db, cleanup_db, init_db

freqtrade/persistence/models.py

@@ -29,7 +29,7 @@ _DECL_BASE: Any = declarative_base()
 _SQL_DOCS_URL = 'http://docs.sqlalchemy.org/en/latest/core/engines.html#database-urls'
 
 
-def init(db_url: str, clean_open_orders: bool = False) -> None:
+def init_db(db_url: str, clean_open_orders: bool = False) -> None:
     """
     Initializes this module with the given config,
     registers all known command handlers
@@ -72,7 +72,7 @@ def init(db_url: str, clean_open_orders: bool = False) -> None:
         clean_dry_run_db()
 
 
-def cleanup() -> None:
+def cleanup_db() -> None:
     """
     Flushes all pending operations to disk.
     :return: None
@@ -167,12 +167,12 @@ class Order(_DECL_BASE):
         """
         Get all non-closed orders - useful when trying to batch-update orders
         """
-        filtered_orders = [o for o in orders if o.order_id == order['id']]
+        filtered_orders = [o for o in orders if o.order_id == order.get('id')]
         if filtered_orders:
             oobj = filtered_orders[0]
             oobj.update_from_ccxt_object(order)
         else:
-            logger.warning(f"Did not find order for {order['id']}.")
+            logger.warning(f"Did not find order for {order}.")
 
     @staticmethod
     def parse_from_ccxt_object(order: Dict[str, Any], pair: str, side: str) -> 'Order':
@@ -399,7 +399,7 @@ class Trade(_DECL_BASE):
             self.close(order['average'])
         else:
             raise ValueError(f'Unknown order type: {order_type}')
-        cleanup()
+        cleanup_db()
 
     def close(self, rate: float) -> None:
         """

freqtrade/rpc/api_server.py

@@ -563,7 +563,7 @@ class ApiServer(RPC):
         config.update({
             'strategy': strategy,
         })
-        results = self._rpc_analysed_history_full(config, pair, timeframe, timerange)
+        results = RPC._rpc_analysed_history_full(config, pair, timeframe, timerange)
         return jsonify(results)
 
     @require_login

freqtrade/rpc/rpc.py

@@ -656,8 +656,9 @@ class RPC:
             raise RPCException('Edge is not enabled.')
         return self._freqtrade.edge.accepted_pairs()
 
-    def _convert_dataframe_to_dict(self, strategy: str, pair: str, timeframe: str,
+    @staticmethod
-                                   dataframe: DataFrame, last_analyzed: datetime) -> Dict[str, Any]:
+    def _convert_dataframe_to_dict(strategy: str, pair: str, timeframe: str, dataframe: DataFrame,
+                                   last_analyzed: datetime) -> Dict[str, Any]:
         has_content = len(dataframe) != 0
         buy_signals = 0
         sell_signals = 0
@@ -711,7 +712,8 @@ class RPC:
         return self._convert_dataframe_to_dict(self._freqtrade.config['strategy'],
                                                pair, timeframe, _data, last_analyzed)
 
-    def _rpc_analysed_history_full(self, config, pair: str, timeframe: str,
+    @staticmethod
+    def _rpc_analysed_history_full(config, pair: str, timeframe: str,
                                    timerange: str) -> Dict[str, Any]:
         timerange_parsed = TimeRange.parse_timerange(timerange)
 
@@ -726,8 +728,8 @@ class RPC:
         strategy = StrategyResolver.load_strategy(config)
         df_analyzed = strategy.analyze_ticker(_data[pair], {'pair': pair})
 
-        return self._convert_dataframe_to_dict(strategy.get_strategy_name(), pair, timeframe,
+        return RPC._convert_dataframe_to_dict(strategy.get_strategy_name(), pair, timeframe,
-                                               df_analyzed, arrow.Arrow.utcnow().datetime)
+                                              df_analyzed, arrow.Arrow.utcnow().datetime)
 
     def _rpc_plot_config(self) -> Dict[str, Any]:
 

requirements-dev.txt

@@ -13,7 +13,7 @@ pytest-asyncio==0.14.0
 pytest-cov==2.10.1
 pytest-mock==3.3.1
 pytest-random-order==1.0.4
-isort==5.6.3
+isort==5.6.4
 
 # Convert jupyter notebooks to markdown documents
 nbconvert==6.0.7

requirements-hyperopt.txt

@@ -2,7 +2,7 @@
 -r requirements.txt
 
 # Required for hyperopt
-scipy==1.5.2
+scipy==1.5.3
 scikit-learn==0.23.2
 scikit-optimize==0.8.1
 filelock==3.0.12

requirements.txt

@@ -1,11 +1,11 @@
 numpy==1.19.2
 pandas==1.1.3
 
-ccxt==1.36.2
+ccxt==1.36.66
 multidict==4.7.6
 aiohttp==3.6.3
-SQLAlchemy==1.3.19
+SQLAlchemy==1.3.20
-python-telegram-bot==12.8
+python-telegram-bot==13.0
 arrow==0.17.0
 cachetools==4.1.1
 requests==2.24.0
@@ -34,7 +34,7 @@ flask-jwt-extended==3.24.1
 flask-cors==3.0.9
 
 # Support for colorized terminal output
-colorama==0.4.3
+colorama==0.4.4
 # Building config files interactively
-questionary==1.6.0
+questionary==1.7.0
-prompt-toolkit==3.0.7
+prompt-toolkit==3.0.8

tests/commands/test_commands.py

@@ -1150,7 +1150,7 @@ def test_start_list_data(testdatadir, capsys):
 
 @pytest.mark.usefixtures("init_persistence")
 def test_show_trades(mocker, fee, capsys, caplog):
-    mocker.patch("freqtrade.persistence.init")
+    mocker.patch("freqtrade.persistence.init_db")
     create_mock_trades(fee)
     args = [
         "show-trades",

tests/conftest.py

@@ -13,13 +13,13 @@ import numpy as np
 import pytest
 from telegram import Chat, Message, Update
 
-from freqtrade import constants, persistence
+from freqtrade import constants
 from freqtrade.commands import Arguments
 from freqtrade.data.converter import ohlcv_to_dataframe
 from freqtrade.edge import Edge, PairInfo
 from freqtrade.exchange import Exchange
 from freqtrade.freqtradebot import FreqtradeBot
-from freqtrade.persistence import Trade
+from freqtrade.persistence import Trade, init_db
 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,
@@ -131,7 +131,7 @@ def patch_freqtradebot(mocker, config) -> None:
     :return: None
     """
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
-    persistence.init(config['db_url'])
+    init_db(config['db_url'])
     patch_exchange(mocker)
     mocker.patch('freqtrade.freqtradebot.RPCManager._init', MagicMock())
     mocker.patch('freqtrade.freqtradebot.RPCManager.send_msg', MagicMock())
@@ -219,7 +219,7 @@ def patch_coingekko(mocker) -> None:
 
 @pytest.fixture(scope='function')
 def init_persistence(default_conf):
-    persistence.init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
 
 
 @pytest.fixture(scope="function")
@@ -297,7 +297,7 @@ def default_conf(testdatadir):
 @pytest.fixture
 def update():
     _update = Update(0)
-    _update.message = Message(0, 0, datetime.utcnow(), Chat(0, 0))
+    _update.message = Message(0, datetime.utcnow(), Chat(0, 0))
     return _update
 
 

tests/data/test_btanalysis.py

@@ -114,7 +114,7 @@ def test_load_trades_from_db(default_conf, fee, mocker):
 
     create_mock_trades(fee)
     # remove init so it does not init again
-    init_mock = mocker.patch('freqtrade.persistence.init', MagicMock())
+    init_mock = mocker.patch('freqtrade.data.btanalysis.init_db', MagicMock())
 
     trades = load_trades_from_db(db_url=default_conf['db_url'])
     assert init_mock.call_count == 1

tests/data/test_dataprovider.py

@@ -132,7 +132,7 @@ def test_orderbook(mocker, default_conf, order_book_l2):
     res = dp.orderbook('ETH/BTC', 5)
     assert order_book_l2.call_count == 1
     assert order_book_l2.call_args_list[0][0][0] == 'ETH/BTC'
-    assert order_book_l2.call_args_list[0][0][1] == 5
+    assert order_book_l2.call_args_list[0][0][1] >= 5
 
     assert type(res) is dict
     assert 'bids' in res

tests/exchange/test_exchange.py

@@ -11,7 +11,7 @@ from pandas import DataFrame
 
 from freqtrade.exceptions import (DDosProtection, DependencyException, InvalidOrderException,
                                   OperationalException, TemporaryError)
-from freqtrade.exchange import Binance, Exchange, Kraken
+from freqtrade.exchange import Binance, Bittrex, Exchange, Kraken
 from freqtrade.exchange.common import (API_FETCH_ORDER_RETRY_COUNT, API_RETRY_COUNT,
                                        calculate_backoff)
 from freqtrade.exchange.exchange import (market_is_active, timeframe_to_minutes, timeframe_to_msecs,
@@ -148,11 +148,19 @@ def test_exchange_resolver(default_conf, mocker, caplog):
     mocker.patch('freqtrade.exchange.Exchange.validate_pairs')
     mocker.patch('freqtrade.exchange.Exchange.validate_timeframes')
     mocker.patch('freqtrade.exchange.Exchange.validate_stakecurrency')
-    exchange = ExchangeResolver.load_exchange('Bittrex', default_conf)
+
+    exchange = ExchangeResolver.load_exchange('huobi', default_conf)
     assert isinstance(exchange, Exchange)
     assert log_has_re(r"No .* specific subclass found. Using the generic class instead.", caplog)
     caplog.clear()
 
+    exchange = ExchangeResolver.load_exchange('Bittrex', default_conf)
+    assert isinstance(exchange, Exchange)
+    assert isinstance(exchange, Bittrex)
+    assert not log_has_re(r"No .* specific subclass found. Using the generic class instead.",
+                          caplog)
+    caplog.clear()
+
     exchange = ExchangeResolver.load_exchange('kraken', default_conf)
     assert isinstance(exchange, Exchange)
     assert isinstance(exchange, Kraken)
@@ -1439,6 +1447,27 @@ def test_refresh_latest_ohlcv_inv_result(default_conf, mocker, caplog):
     assert log_has("Async code raised an exception: TypeError", caplog)
 
 
+def test_get_next_limit_in_list():
+    limit_range = [5, 10, 20, 50, 100, 500, 1000]
+    assert Exchange.get_next_limit_in_list(1, limit_range) == 5
+    assert Exchange.get_next_limit_in_list(5, limit_range) == 5
+    assert Exchange.get_next_limit_in_list(6, limit_range) == 10
+    assert Exchange.get_next_limit_in_list(9, limit_range) == 10
+    assert Exchange.get_next_limit_in_list(10, limit_range) == 10
+    assert Exchange.get_next_limit_in_list(11, limit_range) == 20
+    assert Exchange.get_next_limit_in_list(19, limit_range) == 20
+    assert Exchange.get_next_limit_in_list(21, limit_range) == 50
+    assert Exchange.get_next_limit_in_list(51, limit_range) == 100
+    assert Exchange.get_next_limit_in_list(1000, limit_range) == 1000
+    # Going over the limit ...
+    assert Exchange.get_next_limit_in_list(1001, limit_range) == 1000
+    assert Exchange.get_next_limit_in_list(2000, limit_range) == 1000
+
+    assert Exchange.get_next_limit_in_list(21, None) == 21
+    assert Exchange.get_next_limit_in_list(100, None) == 100
+    assert Exchange.get_next_limit_in_list(1000, None) == 1000
+
+
 @pytest.mark.parametrize("exchange_name", EXCHANGES)
 def test_fetch_l2_order_book(default_conf, mocker, order_book_l2, exchange_name):
     default_conf['exchange']['name'] = exchange_name
@@ -1451,6 +1480,19 @@ def test_fetch_l2_order_book(default_conf, mocker, order_book_l2, exchange_name)
     assert 'asks' in order_book
     assert len(order_book['bids']) == 10
     assert len(order_book['asks']) == 10
+    assert api_mock.fetch_l2_order_book.call_args_list[0][0][0] == 'ETH/BTC'
+
+    for val in [1, 5, 10, 12, 20, 50, 100]:
+        api_mock.fetch_l2_order_book.reset_mock()
+
+        order_book = exchange.fetch_l2_order_book(pair='ETH/BTC', limit=val)
+        assert api_mock.fetch_l2_order_book.call_args_list[0][0][0] == 'ETH/BTC'
+        # Not all exchanges support all limits for orderbook
+        if not exchange._ft_has['l2_limit_range'] or val in exchange._ft_has['l2_limit_range']:
+            assert api_mock.fetch_l2_order_book.call_args_list[0][0][1] == val
+        else:
+            next_limit = exchange.get_next_limit_in_list(val, exchange._ft_has['l2_limit_range'])
+            assert api_mock.fetch_l2_order_book.call_args_list[0][0][1] == next_limit
 
 
 @pytest.mark.parametrize("exchange_name", EXCHANGES)

tests/rpc/test_rpc_telegram.py

@@ -82,7 +82,7 @@ def test_telegram_init(default_conf, mocker, caplog) -> None:
     assert log_has(message_str, caplog)
 
 
-def test_cleanup(default_conf, mocker) -> None:
+def test_cleanup(default_conf, mocker, ) -> None:
     updater_mock = MagicMock()
     updater_mock.stop = MagicMock()
     mocker.patch('freqtrade.rpc.telegram.Updater', updater_mock)
@@ -92,13 +92,9 @@ def test_cleanup(default_conf, mocker) -> None:
     assert telegram._updater.stop.call_count == 1
 
 
-def test_authorized_only(default_conf, mocker, caplog) -> None:
+def test_authorized_only(default_conf, mocker, caplog, update) -> None:
     patch_exchange(mocker)
 
-    chat = Chat(0, 0)
-    update = Update(randint(1, 100))
-    update.message = Message(randint(1, 100), 0, datetime.utcnow(), chat)
-
     default_conf['telegram']['enabled'] = False
     bot = FreqtradeBot(default_conf)
     patch_get_signal(bot, (True, False))
@@ -114,7 +110,7 @@ def test_authorized_only_unauthorized(default_conf, mocker, caplog) -> None:
     patch_exchange(mocker)
     chat = Chat(0xdeadbeef, 0)
     update = Update(randint(1, 100))
-    update.message = Message(randint(1, 100), 0, datetime.utcnow(), chat)
+    update.message = Message(randint(1, 100), datetime.utcnow(), chat)
 
     default_conf['telegram']['enabled'] = False
     bot = FreqtradeBot(default_conf)
@@ -127,12 +123,9 @@ def test_authorized_only_unauthorized(default_conf, mocker, caplog) -> None:
     assert not log_has('Exception occurred within Telegram module', caplog)
 
 
-def test_authorized_only_exception(default_conf, mocker, caplog) -> None:
+def test_authorized_only_exception(default_conf, mocker, caplog, update) -> None:
     patch_exchange(mocker)
 
-    update = Update(randint(1, 100))
-    update.message = Message(randint(1, 100), 0, datetime.utcnow(), Chat(0, 0))
-
     default_conf['telegram']['enabled'] = False
 
     bot = FreqtradeBot(default_conf)
@@ -146,7 +139,7 @@ def test_authorized_only_exception(default_conf, mocker, caplog) -> None:
     assert log_has('Exception occurred within Telegram module', caplog)
 
 
-def test_telegram_status(default_conf, update, mocker, fee, ticker,) -> None:
+def test_telegram_status(default_conf, update, mocker) -> None:
     update.message.chat.id = "123"
     default_conf['telegram']['enabled'] = False
     default_conf['telegram']['chat_id'] = "123"

tests/test_freqtradebot.py

@@ -15,8 +15,7 @@ from freqtrade.exceptions import (DependencyException, ExchangeError, Insufficie
                                   InvalidOrderException, OperationalException, PricingError,
                                   TemporaryError)
 from freqtrade.freqtradebot import FreqtradeBot
-from freqtrade.persistence import Trade
+from freqtrade.persistence import Order, Trade
-from freqtrade.persistence.models import Order
 from freqtrade.rpc import RPCMessageType
 from freqtrade.state import RunMode, State
 from freqtrade.strategy.interface import SellCheckTuple, SellType
@@ -66,7 +65,7 @@ def test_process_stopped(mocker, default_conf) -> None:
 
 
 def test_bot_cleanup(mocker, default_conf, caplog) -> None:
-    mock_cleanup = mocker.patch('freqtrade.persistence.cleanup')
+    mock_cleanup = mocker.patch('freqtrade.freqtradebot.cleanup_db')
     coo_mock = mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cancel_all_open_orders')
     freqtrade = get_patched_freqtradebot(mocker, default_conf)
     freqtrade.cleanup()

tests/test_main.py

@@ -65,7 +65,7 @@ def test_main_fatal_exception(mocker, default_conf, caplog) -> None:
     mocker.patch('freqtrade.worker.Worker._worker', MagicMock(side_effect=Exception))
     patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
-    mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
+    mocker.patch('freqtrade.freqtradebot.init_db', MagicMock())
 
     args = ['trade', '-c', 'config.json.example']
 
@@ -83,7 +83,7 @@ def test_main_keyboard_interrupt(mocker, default_conf, caplog) -> None:
     patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
     mocker.patch('freqtrade.wallets.Wallets.update', MagicMock())
-    mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
+    mocker.patch('freqtrade.freqtradebot.init_db', MagicMock())
 
     args = ['trade', '-c', 'config.json.example']
 
@@ -104,7 +104,7 @@ def test_main_operational_exception(mocker, default_conf, caplog) -> None:
     patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.wallets.Wallets.update', MagicMock())
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
-    mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
+    mocker.patch('freqtrade.freqtradebot.init_db', MagicMock())
 
     args = ['trade', '-c', 'config.json.example']
 
@@ -155,7 +155,7 @@ def test_main_reload_config(mocker, default_conf, caplog) -> None:
     reconfigure_mock = mocker.patch('freqtrade.worker.Worker._reconfigure', MagicMock())
 
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
-    mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
+    mocker.patch('freqtrade.freqtradebot.init_db', MagicMock())
 
     args = Arguments(['trade', '-c', 'config.json.example']).get_parsed_arg()
     worker = Worker(args=args, config=default_conf)
@@ -178,7 +178,7 @@ def test_reconfigure(mocker, default_conf) -> None:
     mocker.patch('freqtrade.wallets.Wallets.update', MagicMock())
     patched_configuration_load_config_file(mocker, default_conf)
     mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
-    mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
+    mocker.patch('freqtrade.freqtradebot.init_db', MagicMock())
 
     args = Arguments(['trade', '-c', 'config.json.example']).get_parsed_arg()
     worker = Worker(args=args, config=default_conf)

tests/test_persistence.py

@@ -8,13 +8,13 @@ from sqlalchemy import create_engine
 
 from freqtrade import constants
 from freqtrade.exceptions import DependencyException, OperationalException
-from freqtrade.persistence import Order, Trade, clean_dry_run_db, init
+from freqtrade.persistence import Order, Trade, clean_dry_run_db, init_db
 from tests.conftest import create_mock_trades, log_has, log_has_re
 
 
 def test_init_create_session(default_conf):
     # Check if init create a session
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
     assert hasattr(Trade, 'session')
     assert 'scoped_session' in type(Trade.session).__name__
 
@@ -24,7 +24,7 @@ def test_init_custom_db_url(default_conf, mocker):
     default_conf.update({'db_url': 'sqlite:///tmp/freqtrade2_test.sqlite'})
     create_engine_mock = mocker.patch('freqtrade.persistence.models.create_engine', MagicMock())
 
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
     assert create_engine_mock.call_count == 1
     assert create_engine_mock.mock_calls[0][1][0] == 'sqlite:///tmp/freqtrade2_test.sqlite'
 
@@ -33,7 +33,7 @@ def test_init_invalid_db_url(default_conf):
     # Update path to a value other than default, but still in-memory
     default_conf.update({'db_url': 'unknown:///some.url'})
     with pytest.raises(OperationalException, match=r'.*no valid database URL*'):
-        init(default_conf['db_url'], default_conf['dry_run'])
+        init_db(default_conf['db_url'], default_conf['dry_run'])
 
 
 def test_init_prod_db(default_conf, mocker):
@@ -42,7 +42,7 @@ def test_init_prod_db(default_conf, mocker):
 
     create_engine_mock = mocker.patch('freqtrade.persistence.models.create_engine', MagicMock())
 
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
     assert create_engine_mock.call_count == 1
     assert create_engine_mock.mock_calls[0][1][0] == 'sqlite:///tradesv3.sqlite'
 
@@ -53,7 +53,7 @@ def test_init_dryrun_db(default_conf, mocker):
 
     create_engine_mock = mocker.patch('freqtrade.persistence.models.create_engine', MagicMock())
 
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
     assert create_engine_mock.call_count == 1
     assert create_engine_mock.mock_calls[0][1][0] == 'sqlite:///tradesv3.dryrun.sqlite'
 
@@ -482,7 +482,7 @@ def test_migrate_old(mocker, default_conf, fee):
     engine.execute(insert_table_old)
     engine.execute(insert_table_old2)
     # Run init to test migration
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
 
     assert len(Trade.query.filter(Trade.id == 1).all()) == 1
     trade = Trade.query.filter(Trade.id == 1).first()
@@ -581,7 +581,7 @@ def test_migrate_new(mocker, default_conf, fee, caplog):
 
     engine.execute("create table trades_bak1 as select * from trades")
     # Run init to test migration
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
 
     assert len(Trade.query.filter(Trade.id == 1).all()) == 1
     trade = Trade.query.filter(Trade.id == 1).first()
@@ -661,7 +661,7 @@ def test_migrate_mid_state(mocker, default_conf, fee, caplog):
     engine.execute(insert_table_old)
 
     # Run init to test migration
-    init(default_conf['db_url'], default_conf['dry_run'])
+    init_db(default_conf['db_url'], default_conf['dry_run'])
 
     assert len(Trade.query.filter(Trade.id == 1).all()) == 1
     trade = Trade.query.filter(Trade.id == 1).first()
@@ -904,7 +904,7 @@ def test_to_json(default_conf, fee):
 
 
 def test_stoploss_reinitialization(default_conf, fee):
-    init(default_conf['db_url'])
+    init_db(default_conf['db_url'])
     trade = Trade(
         pair='ETH/BTC',
         stake_amount=0.001,