negating SL pct and adding tests

freqtrade/tests/test_persistence.py

@@ -599,32 +599,42 @@ def test_adjust_stop_loss(fee):
 
     trade.adjust_stop_loss(trade.open_rate, 0.05, True)
     assert trade.stop_loss == 0.95
+    assert trade.stop_loss_pct == -0.05
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
 
     # Get percent of profit with a lower rate
     trade.adjust_stop_loss(0.96, 0.05)
     assert trade.stop_loss == 0.95
+    assert trade.stop_loss_pct == -0.05
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
 
     # Get percent of profit with a custom rate (Higher than open rate)
     trade.adjust_stop_loss(1.3, -0.1)
     assert round(trade.stop_loss, 8) == 1.17
+    assert trade.stop_loss_pct == -0.1
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
 
     # current rate lower again ... should not change
     trade.adjust_stop_loss(1.2, 0.1)
     assert round(trade.stop_loss, 8) == 1.17
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
 
     # current rate higher... should raise stoploss
     trade.adjust_stop_loss(1.4, 0.1)
     assert round(trade.stop_loss, 8) == 1.26
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
 
     #  Initial is true but stop_loss set - so doesn't do anything
     trade.adjust_stop_loss(1.7, 0.1, True)
     assert round(trade.stop_loss, 8) == 1.26
     assert trade.initial_stop_loss == 0.95
+    assert trade.initial_stop_loss_pct == -0.05
+    assert trade.stop_loss_pct == -0.1
 
 
 def test_adjust_min_max_rates(fee):