From 2157923aeedb9c7e5d8ab386812843e99aa43e19 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Sat, 8 May 2021 19:43:31 +0200
Subject: [PATCH] have edge send multiple messages if necessary

closes #4519
---
 freqtrade/edge/edge_positioning.py |  2 +-
 freqtrade/rpc/telegram.py          | 14 +++++++++++---
 tests/rpc/test_rpc_telegram.py     |  9 +++++++++
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/freqtrade/edge/edge_positioning.py b/freqtrade/edge/edge_positioning.py
index 721e22262..0449d6ebe 100644
--- a/freqtrade/edge/edge_positioning.py
+++ b/freqtrade/edge/edge_positioning.py
@@ -240,7 +240,7 @@ class Edge:
 
         return self._final_pairs
 
-    def accepted_pairs(self) -> list:
+    def accepted_pairs(self) -> List[Dict[str, Any]]:
         """
         return a list of accepted pairs along with their winrate, expectancy and stoploss
         """
diff --git a/freqtrade/rpc/telegram.py b/freqtrade/rpc/telegram.py
index 97a01fc53..c619559de 100644
--- a/freqtrade/rpc/telegram.py
+++ b/freqtrade/rpc/telegram.py
@@ -861,9 +861,17 @@ class Telegram(RPCHandler):
         """
         try:
             edge_pairs = self._rpc._rpc_edge()
-            edge_pairs_tab = tabulate(edge_pairs, headers='keys', tablefmt='simple')
-            message = f'<b>Edge only validated following pairs:</b>\n<pre>{edge_pairs_tab}</pre>'
-            self._send_msg(message, parse_mode=ParseMode.HTML)
+            if not edge_pairs:
+                message = '<b>Edge only validated following pairs:</b>'
+                self._send_msg(message, parse_mode=ParseMode.HTML)
+
+            for chunk in chunks(edge_pairs, 25):
+                edge_pairs_tab = tabulate(chunk, headers='keys', tablefmt='simple')
+                message = (f'<b>Edge only validated following pairs:</b>\n'
+                           f'<pre>{edge_pairs_tab}</pre>')
+
+                self._send_msg(message, parse_mode=ParseMode.HTML)
+
         except RPCException as e:
             self._send_msg(str(e))
 
diff --git a/tests/rpc/test_rpc_telegram.py b/tests/rpc/test_rpc_telegram.py
index 6a36c12a7..6d42a6845 100644
--- a/tests/rpc/test_rpc_telegram.py
+++ b/tests/rpc/test_rpc_telegram.py
@@ -1102,6 +1102,15 @@ def test_edge_enabled(edge_conf, update, mocker) -> None:
     assert '<b>Edge only validated following pairs:</b>\n<pre>' in msg_mock.call_args_list[0][0][0]
     assert 'Pair      Winrate    Expectancy    Stoploss' in msg_mock.call_args_list[0][0][0]
 
+    msg_mock.reset_mock()
+
+    mocker.patch('freqtrade.edge.Edge._cached_pairs', mocker.PropertyMock(
+        return_value={}))
+    telegram._edge(update=update, context=MagicMock())
+    assert msg_mock.call_count == 1
+    assert '<b>Edge only validated following pairs:</b>' in msg_mock.call_args_list[0][0][0]
+    assert 'Winrate' not in msg_mock.call_args_list[0][0][0]
+
 
 def test_telegram_trades(mocker, update, default_conf, fee):