Merge pull request #1150 from nullart2/informative_startup

Informative startup

freqtrade/exchange/__init__.py

@@ -116,7 +116,7 @@ class Exchange(object):
                 api.urls['api'] = api.urls['test']
                 logger.info("Enabled Sandbox API on %s", name)
             else:
-                logger.warning(self, "No Sandbox URL in CCXT, exiting. "
+                logger.warning(self._api.name, "No Sandbox URL in CCXT, exiting. "
                                                "Please check your config.json")
                 raise OperationalException(f'Exchange {name} does not provide a sandbox api')
 

freqtrade/freqtradebot.py

@@ -94,6 +94,8 @@ class FreqtradeBot(object):
                 'status': f'{state.name.lower()}'
             })
             logger.info('Changing state to: %s', state.name)
+            if state == State.RUNNING:
+                self._startup_messages()
 
         if state == State.STOPPED:
             time.sleep(1)
@@ -110,6 +112,38 @@ class FreqtradeBot(object):
                            nb_assets=nb_assets)
         return state
 
+    def _startup_messages(self) -> None:
+        if self.config.get('dry_run', False):
+            self.rpc.send_msg({
+                'type': RPCMessageType.WARNING_NOTIFICATION,
+                'status': 'Dry run is enabled. All trades are simulated.'
+            })
+        stake_currency = self.config['stake_currency']
+        stake_amount = self.config['stake_amount']
+        minimal_roi = self.config['minimal_roi']
+        ticker_interval = self.config['ticker_interval']
+        exchange_name = self.config['exchange']['name']
+        strategy_name = self.config.get('strategy', '')
+        self.rpc.send_msg({
+            'type': RPCMessageType.CUSTOM_NOTIFICATION,
+            'status': f'*Exchange:* `{exchange_name}`\n'
+                      f'*Stake per trade:* `{stake_amount} {stake_currency}`\n'
+                      f'*Minimum ROI:* `{minimal_roi}`\n'
+                      f'*Ticker Interval:* `{ticker_interval}`\n'
+                      f'*Strategy:* `{strategy_name}`'
+        })
+        if self.config.get('dynamic_whitelist', False):
+            top_pairs = 'top ' + str(self.config.get('dynamic_whitelist', 20))
+            specific_pairs = ''
+        else:
+            top_pairs = 'whitelisted'
+            specific_pairs = '\n' + ', '.join(self.config['exchange'].get('pair_whitelist', ''))
+        self.rpc.send_msg({
+            'type': RPCMessageType.STATUS_NOTIFICATION,
+            'status': f'Searching for {top_pairs} {stake_currency} pairs to buy and sell...'
+                      f'{specific_pairs}'
+        })
+
     def _throttle(self, func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
         """
         Throttles the given callable that it

freqtrade/rpc/rpc.py

@@ -24,6 +24,8 @@ logger = logging.getLogger(__name__)
 
 class RPCMessageType(Enum):
     STATUS_NOTIFICATION = 'status'
+    WARNING_NOTIFICATION = 'warning'
+    CUSTOM_NOTIFICATION = 'custom'
     BUY_NOTIFICATION = 'buy'
     SELL_NOTIFICATION = 'sell'
 

freqtrade/rpc/telegram.py

@@ -154,6 +154,12 @@ class Telegram(RPC):
         elif msg['type'] == RPCMessageType.STATUS_NOTIFICATION:
             message = '*Status:* `{status}`'.format(**msg)
 
+        elif msg['type'] == RPCMessageType.WARNING_NOTIFICATION:
+            message = '*Warning:* `{status}`'.format(**msg)
+
+        elif msg['type'] == RPCMessageType.CUSTOM_NOTIFICATION:
+            message = '{status}'.format(**msg)
+
         else:
             raise NotImplementedError('Unknown message type: {}'.format(msg['type']))
 

freqtrade/tests/rpc/test_rpc_telegram.py

@@ -1095,6 +1095,38 @@ def test_send_msg_status_notification(default_conf, mocker) -> None:
     assert msg_mock.call_args[0][0] == '*Status:* `running`'
 
 
+def test_warning_notification(default_conf, mocker) -> None:
+    msg_mock = MagicMock()
+    mocker.patch.multiple(
+        'freqtrade.rpc.telegram.Telegram',
+        _init=MagicMock(),
+        _send_msg=msg_mock
+    )
+    freqtradebot = get_patched_freqtradebot(mocker, default_conf)
+    telegram = Telegram(freqtradebot)
+    telegram.send_msg({
+        'type': RPCMessageType.WARNING_NOTIFICATION,
+        'status': 'message'
+    })
+    assert msg_mock.call_args[0][0] == '*Warning:* `message`'
+
+
+def test_custom_notification(default_conf, mocker) -> None:
+    msg_mock = MagicMock()
+    mocker.patch.multiple(
+        'freqtrade.rpc.telegram.Telegram',
+        _init=MagicMock(),
+        _send_msg=msg_mock
+    )
+    freqtradebot = get_patched_freqtradebot(mocker, default_conf)
+    telegram = Telegram(freqtradebot)
+    telegram.send_msg({
+        'type': RPCMessageType.CUSTOM_NOTIFICATION,
+        'status': '*Custom:* `Hello World`'
+    })
+    assert msg_mock.call_args[0][0] == '*Custom:* `Hello World`'
+
+
 def test_send_msg_unknown_type(default_conf, mocker) -> None:
     msg_mock = MagicMock()
     mocker.patch.multiple(

freqtrade/tests/test_freqtradebot.py

@@ -1876,3 +1876,9 @@ def test_get_real_amount_open_trade(default_conf, mocker):
     freqtrade = FreqtradeBot(default_conf)
     patch_get_signal(freqtrade)
     assert freqtrade.get_real_amount(trade, order) == amount
+
+
+def test_startup_messages(default_conf, mocker):
+    default_conf['dynamic_whitelist'] = 20
+    freqtrade = get_patched_freqtradebot(mocker, default_conf)
+    assert freqtrade.state is State.RUNNING