add ability to choose unit in unfilled timeout

freqtrade/constants.py

@@ -11,6 +11,7 @@ DEFAULT_EXCHANGE = 'bittrex'
 PROCESS_THROTTLE_SECS = 5  # sec
 HYPEROPT_EPOCH = 100  # epochs
 RETRY_TIMEOUT = 30  # sec
+TIMEOUT_UNITS = ['minutes', 'seconds']
 DEFAULT_DB_PROD_URL = 'sqlite:///tradesv3.sqlite'
 DEFAULT_DB_DRYRUN_URL = 'sqlite:///tradesv3.dryrun.sqlite'
 UNLIMITED_STAKE_AMOUNT = 'unlimited'
@@ -137,7 +138,8 @@ CONF_SCHEMA = {
             'type': 'object',
             'properties': {
                 'buy': {'type': 'number', 'minimum': 1},
-                'sell': {'type': 'number', 'minimum': 1}
+                'sell': {'type': 'number', 'minimum': 1},
+                'unit': {'type': 'string', 'enum': TIMEOUT_UNITS, 'default': 'minutes'}
             }
         },
         'bid_strategy': {

freqtrade/freqtradebot.py

@@ -974,8 +974,9 @@ class FreqtradeBot(LoggingMixin):
         timeout = self.config.get('unfilledtimeout', {}).get(side)
         ordertime = arrow.get(order['datetime']).datetime
         if timeout is not None:
-            timeout_threshold = arrow.utcnow().shift(minutes=-timeout).datetime
-
+            timeout_unit = self.config.get('unfilledtimeout', {}).get('unit', 'minutes')
+            timeout_kwargs = {timeout_unit: -timeout}
+            timeout_threshold = arrow.utcnow().shift(**timeout_kwargs).datetime
             return (order['status'] == 'open' and order['side'] == side
                     and ordertime < timeout_threshold)
         return False