add warning-message when forcebuy_enable is true

docs/configuration.md

@@ -117,7 +117,7 @@ If the value is `stopped` the bot has to be started with `/start` first.
 ### Understand forcebuy_enable
 
 `forcebuy_enable` enables the usage of forcebuy commands via Telegram.
-This is disabled for security reasons by default.
+This is disabled for security reasons by default, and will show a warning message on startup if enabled.
 You send `/forcebuy ETH/BTC` to the bot, who buys the pair and holds it until a regular sell-signal appears (ROI, stoploss, /forcesell).
 
 Can be dangerous with some strategies, so use with care

freqtrade/configuration.py

@@ -127,6 +127,9 @@ class Configuration(object):
                 config['db_url'] = constants.DEFAULT_DB_PROD_URL
             logger.info('Dry run is disabled')
 
+        if config.get('forcebuy_enable', False):
+            logger.warning('`forcebuy` RPC message enabled.')
+
         logger.info(f'Using DB: "{config["db_url"]}"')
 
         # Check if the exchange set by the user is supported

freqtrade/tests/test_configuration.py

@@ -455,5 +455,19 @@ def test_set_loggers() -> None:
     assert logging.getLogger('telegram').level is logging.INFO
 
 
+def test_load_config_warn_forcebuy(default_conf, mocker, caplog) -> None:
+    default_conf['forcebuy_enable'] = True
+    mocker.patch('freqtrade.configuration.open', mocker.mock_open(
+        read_data=json.dumps(default_conf)
+    ))
+
+    args = Arguments([], '').get_parsed_arg()
+    configuration = Configuration(args)
+    validated_conf = configuration.load_config()
+
+    assert validated_conf.get('forcebuy_enable')
+    assert log_has('`forcebuy` RPC message enabled.', caplog.record_tuples)
+
+
 def test_validate_default_conf(default_conf) -> None:
     validate(default_conf, constants.CONF_SCHEMA)