From 5812052d61dbfb7ee9d85740a9a08e5e8e002125 Mon Sep 17 00:00:00 2001
From: hroff-1902 <hroff_raeyd9tzpttf@mail.ru>
Date: Sat, 4 Jan 2020 05:40:23 +0300
Subject: [PATCH] Add more 'bad' characters that appear in the market symbols
 on some exchanges

---
 freqtrade/data/history.py  | 2 +-
 tests/data/test_history.py | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/freqtrade/data/history.py b/freqtrade/data/history.py
index cfdd6008f..63e1ac1b7 100644
--- a/freqtrade/data/history.py
+++ b/freqtrade/data/history.py
@@ -225,7 +225,7 @@ def refresh_data(datadir: Path,
 
 
 def pair_to_filename(pair: str) -> str:
-    for ch in ['/', ' ', '.']:
+    for ch in ['/', '-', ' ', '.', '@', '$', '+', ':']:
         pair = pair.replace(ch, '_')
     return pair
 
diff --git a/tests/data/test_history.py b/tests/data/test_history.py
index 16bd2ff58..84872ad8b 100644
--- a/tests/data/test_history.py
+++ b/tests/data/test_history.py
@@ -152,6 +152,13 @@ def test_testdata_path(testdatadir) -> None:
     ("ETHH20", 'ETHH20'),
     (".XBTBON2H", '_XBTBON2H'),
     ("ETHUSD.d", 'ETHUSD_d'),
+    ("ADA-0327", 'ADA_0327'),
+    ("BTC-USD-200110", 'BTC_USD_200110'),
+    ("F-AKRO/USDT", 'F_AKRO_USDT'),
+    ("LC+/ETH", 'LC__ETH'),
+    ("CMT@18/ETH", 'CMT_18_ETH'),
+    ("LBTC:1022/SAI", 'LBTC_1022_SAI'),
+    ("$PAC/BTC", '_PAC_BTC'),
 ])
 def test_pair_to_filename(pair, expected_result):
     pair_s = pair_to_filename(pair)