From 684727b32ea11c8f1b4a4e8a120db215bb32fa7e Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Sun, 24 Mar 2019 16:08:48 +0100
Subject: [PATCH] Add black blacklist handler (ro)

---
 freqtrade/rpc/rpc.py      | 10 +++++++++-
 freqtrade/rpc/telegram.py | 19 +++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/freqtrade/rpc/rpc.py b/freqtrade/rpc/rpc.py
index a0ffff107..687ee9375 100644
--- a/freqtrade/rpc/rpc.py
+++ b/freqtrade/rpc/rpc.py
@@ -456,7 +456,15 @@ class RPC(object):
     def _rpc_whitelist(self) -> Dict:
         """ Returns the currently active whitelist"""
         res = {'method': self._freqtrade.pairlists.name,
-               'length': len(self._freqtrade.pairlists.whitelist),
+               'length': len(self._freqtrade.active_pair_whitelist),
                'whitelist': self._freqtrade.active_pair_whitelist
                }
         return res
+
+    def _rpc_blacklist(self) -> Dict:
+        """ Returns the currently active blacklist"""
+        res = {'method': self._freqtrade.pairlists.name,
+               'length': len(self._freqtrade.pairlists.blacklist),
+               'blacklist': self._freqtrade.pairlists.blacklist
+               }
+        return res
diff --git a/freqtrade/rpc/telegram.py b/freqtrade/rpc/telegram.py
index 6771ec803..903efe7d1 100644
--- a/freqtrade/rpc/telegram.py
+++ b/freqtrade/rpc/telegram.py
@@ -93,6 +93,7 @@ class Telegram(RPC):
             CommandHandler('reload_conf', self._reload_conf),
             CommandHandler('stopbuy', self._stopbuy),
             CommandHandler('whitelist', self._whitelist),
+            CommandHandler('blacklist', self._blacklist),
             CommandHandler('help', self._help),
             CommandHandler('version', self._version),
         ]
@@ -470,6 +471,23 @@ class Telegram(RPC):
         except RPCException as e:
             self._send_msg(str(e), bot=bot)
 
+    @authorized_only
+    def _blacklist(self, bot: Bot, update: Update) -> None:
+        """
+        Handler for /blacklist
+        Shows the currently active blacklist
+        """
+        try:
+            blacklist = self._rpc_blacklist()
+
+            message = f"Using blacklist `{blacklist['method']}` with {blacklist['length']} pairs\n"
+            message += f"`{', '.join(blacklist['blacklist'])}`"
+
+            logger.debug(message)
+            self._send_msg(message)
+        except RPCException as e:
+            self._send_msg(str(e), bot=bot)
+
     @authorized_only
     def _help(self, bot: Bot, update: Update) -> None:
         """
@@ -497,6 +515,7 @@ class Telegram(RPC):
                   "*/stopbuy:* `Stops buying, but handles open trades gracefully` \n" \
                   "*/reload_conf:* `Reload configuration file` \n" \
                   "*/whitelist:* `Show current whitelist` \n" \
+                  "*/blacklist:* `Show current blacklist` \n" \
                   "*/help:* `This help message`\n" \
                   "*/version:* `Show version`"