Merge branch 'StopLossSupport' into wohlgemuth

config.json.example

@@ -4,6 +4,7 @@
     "stake_amount": 0.05,
     "fiat_display_currency": "USD",
     "dry_run": false,
+    "trailing_stop": false,
     "unfilledtimeout": 600,
     "bid_strategy": {
         "ask_last_balance": 0.0

config_full.json.example

@@ -5,6 +5,7 @@
     "fiat_display_currency": "USD",
     "dry_run": false,
     "ticker_interval": "5m",
+    "trailing_stop": true,
     "minimal_roi": {
         "40":  0.0,
         "30":  0.01,

freqtrade/analyze.py

@@ -205,11 +205,11 @@ class Analyze(object):
 
             # just for debugging
             if 'trailing_stop' in self.config and self.config['trailing_stop']:
-                print(
+                logger.warning(
                     "HIT STOP: current price at {:.6f}, stop loss is {:.6f}, "
                     "initial stop loss was at {:.6f}, trade opened at {:.6f}".format(
                         current_rate, trade.stop_loss, trade.initial_stop_loss, trade.open_rate))
-                print("trailing stop saved us: {:.6f}".format(trade.stop_loss - trade.initial_stop_loss))
+                logger.debug("trailing stop saved us: {:.6f}".format(trade.stop_loss - trade.initial_stop_loss))
 
             logger.debug('Stop loss hit.')
             return True

freqtrade/persistence.py

@@ -128,7 +128,7 @@ class Trade(_DECL_BASE):
                 self.max_rate = current_price
 
         # no stop loss assigned yet
-        if self.stop_loss is None:
+        if self.stop_loss is None or self.stop_loss == 0:
             logger.debug("assigning new stop loss")
             self.stop_loss = new_loss
             self.initial_stop_loss = new_loss
@@ -142,12 +142,12 @@ class Trade(_DECL_BASE):
                 logger.debug("keeping current stop loss")
 
         print(
-            "{} - current price {:.6f}, bought at {:.6f} and calculated "
-            "stop loss is at: {:.6f} initial stop at {:.6f}. trailing stop loss saved us: {:.6f} "
-            "and max observed rate was {:.6f}".format(
+            "{} - current price {:.8f}, bought at {:.8f} and calculated "
+            "stop loss is at: {:.8f} initial stop at {:.8f}. trailing stop loss saved us: {:.8f} "
+            "and max observed rate was {:.8f}".format(
                 self.pair, current_price, self.open_rate,
                 self.initial_stop_loss,
-                self.stop_loss, self.stop_loss - self.initial_stop_loss,
+                self.stop_loss, float(self.stop_loss) - float(self.initial_stop_loss),
                 self.max_rate
 
             ))