added: disable_buy feature, this will only tell bot to sell whatever is needed to sell

added: order book buy and sell will check ticker first; for buying, if ticker is lower than buy order price, use ticker; for selling, if ticker is higher than sell order price, use ticker

config.json.example

@@ -5,6 +5,7 @@
     "fiat_display_currency": "USD",
     "ticker_interval" : "5m",
     "dry_run": false,
+    "disable_buy" : true,
     "unfilledtimeout": {
         "buy":10,
         "sell":30

config_full.json.example

@@ -4,6 +4,7 @@
     "stake_amount": 0.05,
     "fiat_display_currency": "USD",
     "dry_run": false,
+    "disable_buy" : true,
     "ticker_interval": "5m",
     "minimal_roi": {
         "40":  0.0,

freqtrade/exchange/__init__.py

@@ -240,9 +240,9 @@ def get_balances() -> dict:
         raise OperationalException(e)
 
 @retrier
-def get_order_book(pair: str, refresh: Optional[bool] = True) -> dict:
+def get_order_book(pair: str, limit: Optional[int] = 1000) -> dict:
     try:
-        return _API.fetch_order_book(pair)
+        return _API.fetch_order_book(pair, limit)
     except ccxt.NotSupported as e:
         raise OperationalException(
             f'Exchange {_API.name} does not support fetching order book.'

freqtrade/freqtradebot.py

@@ -159,6 +159,9 @@ class FreqtradeBot(object):
                 state_changed |= self.process_maybe_execute_sell(trade)
 
             # Then looking for buy opportunities
+            if (self.config['disable_buy']):
+                logger.info('Buy disabled...')
+            else:
                 if len(trades) < self.config['max_open_trades']:
                     state_changed = self.process_maybe_execute_buy()
 
@@ -244,17 +247,23 @@ class FreqtradeBot(object):
         :return: float: Price
         """
 
-        if self.config['bid_strategy']['use_book_order']:
-            logger.info('Getting price from Order Book')
-            orderBook = exchange.get_order_book(pair)
-            return orderBook['bids'][self.config['bid_strategy']['book_order_top']][0]
-        else:
-            logger.info('Using Ask / Last Price')
         ticker = exchange.get_ticker(pair);
         if ticker['ask'] < ticker['last']:
             return ticker['ask']
         balance = self.config['bid_strategy']['ask_last_balance']
-            return ticker['ask'] + balance * (ticker['last'] - ticker['ask'])
+        ticker_rate = ticker['ask'] + balance * (ticker['last'] - ticker['ask'])
+
+        if self.config['bid_strategy']['use_book_order']:
+            logger.info('Getting price from Order Book')
+            orderBook = exchange.get_order_book(pair)
+            orderBook_rate = orderBook['bids'][self.config['bid_strategy']['book_order_top']][0]
+            # if ticker has lower rate, then use ticker ( usefull if down trending )
+            if ticker_rate < orderBook_rate:
+                return ticker_rate
+            return orderBook_rate
+        else:
+            logger.info('Using Ask / Last Price')
+            return ticker_rate
 
 
     def create_trade(self) -> bool:
@@ -444,7 +453,10 @@ with limit `{buy_limit:.8f} ({stake_amount:.6f} \
             orderBook = exchange.get_order_book(trade.pair)
             # logger.debug('Order book %s',orderBook)
             for i in range(self.config['ask_strategy']['book_order_min'],self.config['ask_strategy']['book_order_max']+1):
-                sell_rate = orderBook['asks'][i-1][0]
+                orderBook_rate = orderBook['asks'][i-1][0]
+                # if orderbook has higher rate (high profit), use orderbook, otherwise just use sell rate
+                if (sell_rate < orderBook_rate):
+                    sell_rate = orderBook_rate 
                 if self.check_sell(trade, sell_rate, buy, sell):
                     return True
                     break

freqtrade/tests/conftest.py

@@ -85,7 +85,11 @@ def default_conf():
             "0": 0.04
         },
         "stoploss": -0.10,
-        "unfilledtimeout": 600,
+        "disable_buy": False,
+        "unfilledtimeout": {
+            "buy":10,
+            "sell":30
+        },
         "bid_strategy": {
             "use_book_order": False,
             "book_order_top": 6,
@@ -248,7 +252,8 @@ def limit_buy_order():
         'price': 0.00001099,
         'amount': 90.99181073,
         'remaining': 0.0,
-        'status': 'closed'
+        'status': 'closed',
+        'filled':0.0
     }
 
 
@@ -263,7 +268,8 @@ def limit_buy_order_old():
         'price': 0.00001099,
         'amount': 90.99181073,
         'remaining': 90.99181073,
-        'status': 'open'
+        'status': 'open',
+        'filled':0.0
     }
 
 
@@ -278,7 +284,8 @@ def limit_sell_order_old():
         'price': 0.00001099,
         'amount': 90.99181073,
         'remaining': 90.99181073,
-        'status': 'open'
+        'status': 'open',
+        'filled':0.0
     }
 
 
@@ -293,7 +300,8 @@ def limit_buy_order_old_partial():
         'price': 0.00001099,
         'amount': 90.99181073,
         'remaining': 67.99181073,
-        'status': 'open'
+        'status': 'open',
+        'filled':0.0
     }
 
 

freqtrade/tests/test_freqtradebot.py

@@ -852,7 +852,7 @@ def test_check_handle_timedout_buy(default_conf, ticker, limit_buy_order_old, fe
     Trade.session.add(trade_buy)
 
     # check it does cancel buy orders over the time limit
-    freqtrade.check_handle_timedout(600)
+    freqtrade.check_handle_timedout()
     assert cancel_order_mock.call_count == 1
     assert rpc_mock.call_count == 1
     trades = Trade.query.filter(Trade.open_order_id.is_(trade_buy.open_order_id)).all()
@@ -893,7 +893,7 @@ def test_check_handle_timedout_sell(default_conf, ticker, limit_sell_order_old,
     Trade.session.add(trade_sell)
 
     # check it does cancel sell orders over the time limit
-    freqtrade.check_handle_timedout(600)
+    freqtrade.check_handle_timedout()
     assert cancel_order_mock.call_count == 1
     assert rpc_mock.call_count == 1
     assert trade_sell.is_open is True
@@ -933,7 +933,7 @@ def test_check_handle_timedout_partial(default_conf, ticker, limit_buy_order_old
 
     # check it does cancel buy orders over the time limit
     # note this is for a partially-complete buy order
-    freqtrade.check_handle_timedout(600)
+    freqtrade.check_handle_timedout()
     assert cancel_order_mock.call_count == 1
     assert rpc_mock.call_count == 1
     trades = Trade.query.filter(Trade.open_order_id.is_(trade_buy.open_order_id)).all()
@@ -984,7 +984,7 @@ def test_check_handle_timedout_exception(default_conf, ticker, mocker, caplog) -
         'recent call last):\n.*'
     )
 
-    freqtrade.check_handle_timedout(600)
+    freqtrade.check_handle_timedout()
     assert filter(regexp.match, caplog.record_tuples)