From 78c49836ff84adcd18a8bc06f6f57523bd6c4f47 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Thu, 25 Feb 2021 20:14:33 +0100
Subject: [PATCH] fix --stake-amount parameter

---
 freqtrade/commands/cli_options.py        | 1 -
 freqtrade/configuration/configuration.py | 7 +++++++
 tests/test_configuration.py              | 5 ++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/freqtrade/commands/cli_options.py b/freqtrade/commands/cli_options.py
index 90ebb5e6a..3b27237da 100644
--- a/freqtrade/commands/cli_options.py
+++ b/freqtrade/commands/cli_options.py
@@ -133,7 +133,6 @@ AVAILABLE_CLI_OPTIONS = {
     "stake_amount": Arg(
         '--stake-amount',
         help='Override the value of the `stake_amount` configuration setting.',
-        type=float,
     ),
     # Backtesting
     "position_stacking": Arg(
diff --git a/freqtrade/configuration/configuration.py b/freqtrade/configuration/configuration.py
index 6295d01d4..88447e490 100644
--- a/freqtrade/configuration/configuration.py
+++ b/freqtrade/configuration/configuration.py
@@ -229,6 +229,13 @@ class Configuration:
         elif config['runmode'] in NON_UTIL_MODES:
             logger.info('Using max_open_trades: %s ...', config.get('max_open_trades'))
 
+        if self.args.get('stake_amount', None):
+            # Convert explicitly to float to support CLI argument for both unlimited and value
+            try:
+                self.args['stake_amount'] = float(self.args['stake_amount'])
+            except ValueError:
+                pass
+
         self._args_to_config(config, argname='stake_amount',
                              logstring='Parameter --stake-amount detected, '
                              'overriding stake_amount to: {} ...')
diff --git a/tests/test_configuration.py b/tests/test_configuration.py
index 94c3e24f6..6b3df392b 100644
--- a/tests/test_configuration.py
+++ b/tests/test_configuration.py
@@ -430,7 +430,8 @@ def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> Non
         '--enable-position-stacking',
         '--disable-max-market-positions',
         '--timerange', ':100',
-        '--export', '/bar/foo'
+        '--export', '/bar/foo',
+        '--stake-amount', 'unlimited'
     ]
 
     args = Arguments(arglist).get_parsed_arg()
@@ -463,6 +464,8 @@ def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> Non
 
     assert 'export' in config
     assert log_has('Parameter --export detected: {} ...'.format(config['export']), caplog)
+    assert 'stake_amount' in config
+    assert config['stake_amount'] == 'unlimited'
 
 
 def test_setup_configuration_with_stratlist(mocker, default_conf, caplog) -> None: