Fix issue #248: missing configuration when executing /forcesell

This is not a beautiful workaround, I am not proud of it,
but a redesigning of main.py and telegram.py will be
necessary for a better integration. Any better solution
is welcome.

README.md

@@ -55,7 +55,7 @@ use the `last` price and values between those interpolate between ask and last
 price. Using `ask` price will guarantee quick success in bid, but bot will also
 end up paying more then would probably have been necessary.
 
-`fiat_currency` set the fiat to use for the conversion form coin to 
+`fiat_display_currency` set the fiat to use for the conversion form coin to 
 fiat in Telegram. The valid value are: "AUD", "BRL", "CAD", "CHF", 
 "CLP", "CNY", "CZK", "DKK", "EUR", "GBP", "HKD", "HUF", "IDR", "ILS", 
 "INR", "JPY", "KRW", "MXN", "MYR", "NOK", "NZD", "PHP", "PKR", "PLN",

freqtrade/main.py

@@ -124,26 +124,39 @@ def execute_sell(trade: Trade, limit: float) -> None:
     fmt_exp_profit = round(trade.calc_profit_percent(rate=limit) * 100, 2)
     profit_trade = trade.calc_profit(rate=limit)
 
+    message = '*{exchange}:* Selling [{pair}]({pair_url}) with limit `{limit:.8f}`'.format(
+                    exchange=trade.exchange,
+                    pair=trade.pair.replace('_', '/'),
+                    pair_url=exchange.get_pair_detail_url(trade.pair),
+                    limit=limit
+                )
+
+    # For regular case, when the configuration exists
+    if 'stake_currency' in _CONF and 'fiat_display_currency' in _CONF:
         fiat_converter = CryptoToFiatConverter()
         profit_fiat = fiat_converter.convert_amount(
             profit_trade,
             _CONF['stake_currency'],
             _CONF['fiat_display_currency']
         )
-
+        message += '` (profit: ~{profit_percent:.2f}%, {profit_coin:.8f} {coin}`' \
-    rpc.send_msg('*{exchange}:* Selling [{pair}]({pair_url}) with limit `{limit:.8f}`'
-                 '` (profit: ~{profit_percent:.2f}%, {profit_coin:.8f} {coin}`'
                    '` / {profit_fiat:.3f} {fiat})`'.format(
-                        exchange=trade.exchange,
-                        pair=trade.pair.replace('_', '/'),
-                        pair_url=exchange.get_pair_detail_url(trade.pair),
-                        limit=limit,
                         profit_percent=fmt_exp_profit,
                         profit_coin=profit_trade,
                         coin=_CONF['stake_currency'],
                         profit_fiat=profit_fiat,
                         fiat=_CONF['fiat_display_currency'],
-                    ))
+                   )
+    # Because telegram._forcesell does not have the configuration
+    # Ignore the FIAT value and does not show the stake_currency as well
+    else:
+        message += '` (profit: ~{profit_percent:.2f}%, {profit_coin:.8f})`'.format(
+            profit_percent=fmt_exp_profit,
+            profit_coin=profit_trade
+        )
+
+    # Send the message
+    rpc.send_msg(message)
     Trade.session.flush()
 
 

freqtrade/misc.py

@@ -280,6 +280,7 @@ CONF_SCHEMA = {
         'max_open_trades',
         'stake_currency',
         'stake_amount',
+        'fiat_display_currency',
         'dry_run',
         'minimal_roi',
         'bid_strategy',

freqtrade/tests/test_main.py

@@ -11,7 +11,7 @@ from freqtrade import DependencyException, OperationalException
 from freqtrade.analyze import SignalType
 from freqtrade.exchange import Exchanges
 from freqtrade.main import create_trade, handle_trade, init, \
-    get_target_bid, _process
+    get_target_bid, _process, execute_sell
 from freqtrade.misc import get_state, State
 from freqtrade.persistence import Trade
 
@@ -314,3 +314,104 @@ def test_balance_fully_last_side(mocker):
 def test_balance_bigger_last_ask(mocker):
     mocker.patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 1.0}})
     assert get_target_bid({'ask': 5, 'last': 10}) == 5
+
+
+def test_execute_sell_up(default_conf, ticker, ticker_sell_up, mocker):
+    mocker.patch.dict('freqtrade.main._CONF', default_conf)
+    mocker.patch('freqtrade.main.get_signal', side_effect=lambda s, t: True)
+    mocker.patch('freqtrade.rpc.init', MagicMock())
+    rpc_mock = mocker.patch('freqtrade.main.rpc.send_msg', MagicMock())
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker)
+    mocker.patch.multiple('freqtrade.fiat_convert.Pymarketcap',
+                          ticker=MagicMock(return_value={'price_usd': 15000.0}),
+                          _cache_symbols=MagicMock(return_value={'BTC': 1}))
+    init(default_conf, create_engine('sqlite://'))
+
+    # Create some test data
+    create_trade(0.001)
+
+    trade = Trade.query.first()
+    assert trade
+
+    # Increase the price and sell it
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker_sell_up)
+
+    execute_sell(trade=trade, limit=ticker_sell_up()['bid'])
+
+    assert rpc_mock.call_count == 2
+    assert 'Selling [BTC/ETH]' in rpc_mock.call_args_list[-1][0][0]
+    assert '0.00001172' in rpc_mock.call_args_list[-1][0][0]
+    assert 'profit: ~6.11%, 0.00006126' in rpc_mock.call_args_list[-1][0][0]
+    assert '0.919 USD' in rpc_mock.call_args_list[-1][0][0]
+
+
+def test_execute_sell_down(default_conf, ticker, ticker_sell_down, mocker):
+    mocker.patch.dict('freqtrade.main._CONF', default_conf)
+    mocker.patch('freqtrade.main.get_signal', side_effect=lambda s, t: True)
+    mocker.patch('freqtrade.rpc.init', MagicMock())
+    rpc_mock = mocker.patch('freqtrade.main.rpc.send_msg', MagicMock())
+    mocker.patch.multiple('freqtrade.rpc.telegram',
+                          _CONF=default_conf,
+                          init=MagicMock(),
+                          send_msg=MagicMock())
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker)
+    mocker.patch.multiple('freqtrade.fiat_convert.Pymarketcap',
+                          ticker=MagicMock(return_value={'price_usd': 15000.0}),
+                          _cache_symbols=MagicMock(return_value={'BTC': 1}))
+    init(default_conf, create_engine('sqlite://'))
+
+    # Create some test data
+    create_trade(0.001)
+
+    trade = Trade.query.first()
+    assert trade
+
+    # Decrease the price and sell it
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker_sell_down)
+
+    execute_sell(trade=trade, limit=ticker_sell_down()['bid'])
+
+    assert rpc_mock.call_count == 2
+    assert 'Selling [BTC/ETH]' in rpc_mock.call_args_list[-1][0][0]
+    assert '0.00001044' in rpc_mock.call_args_list[-1][0][0]
+    assert 'profit: ~-5.48%, -0.00005492' in rpc_mock.call_args_list[-1][0][0]
+    assert '-0.824 USD' in rpc_mock.call_args_list[-1][0][0]
+
+
+def test_execute_sell_without_conf(default_conf, ticker, ticker_sell_up, mocker):
+    mocker.patch.dict('freqtrade.main._CONF', default_conf)
+    mocker.patch('freqtrade.main.get_signal', side_effect=lambda s, t: True)
+    mocker.patch('freqtrade.rpc.init', MagicMock())
+    rpc_mock = mocker.patch('freqtrade.main.rpc.send_msg', MagicMock())
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker)
+    init(default_conf, create_engine('sqlite://'))
+
+    # Create some test data
+    create_trade(0.001)
+
+    trade = Trade.query.first()
+    assert trade
+
+    # Increase the price and sell it
+    mocker.patch.multiple('freqtrade.main.exchange',
+                          validate_pairs=MagicMock(),
+                          get_ticker=ticker_sell_up)
+    mocker.patch('freqtrade.main._CONF', {})
+
+    execute_sell(trade=trade, limit=ticker_sell_up()['bid'])
+
+    assert rpc_mock.call_count == 2
+    assert 'Selling [BTC/ETH]' in rpc_mock.call_args_list[-1][0][0]
+    assert '0.00001172' in rpc_mock.call_args_list[-1][0][0]
+    assert '(profit: ~6.11%, 0.00006126)' in rpc_mock.call_args_list[-1][0][0]
+    assert 'USD' not in rpc_mock.call_args_list[-1][0][0]