Handle positions without markPrice gracefully

Author: RetGal

balancer.py

@@ -54,7 +54,7 @@ def __init__(self):
 
         try:
             props = config['config']
-            self.bot_version = '1.4.5'
+            self.bot_version = '1.4.6'
             self.exchange = str(props['exchange']).strip('"').lower()
             self.api_key = str(props['api_key']).strip('"')
             self.api_secret = str(props['api_secret']).strip('"')
@@ -860,7 +860,7 @@ def get_margin_balance_of_fiat():
     try:
         if CONF.exchange == 'bitmex':
             pos = get_position_info()
-            if not pos or not pos['markPrice']:
+            if not pos or not 'markPrice' in pos or not pos['markPrice']:
                 return {'total': 0}
             return {'total': float(pos['homeNotional']) * float(pos['markPrice'])}
         LOG.warning(NOT_IMPLEMENTED_MESSAGE, 'get_margin_balance_of_fiat()', CONF.exchange)
@@ -1694,10 +1694,11 @@ def calculate_balances():
             pos = get_position_info()
         # aka margin balance
         balance['totalBalanceInCrypto'] = get_crypto_balance()['total']
-        balance['price'] = float(pos['markPrice'])
+        if 'markPrice' in pos:
+            balance['price'] = float(pos['markPrice'])
         if not balance['price']:
             balance['price'] = get_current_price()
-        if pos['avgEntryPrice']:
+        if pos['avgEntryPrice'] and float(pos['avgEntryPrice']) > 0:
             balance['cryptoBalance'] = (abs(int(pos['foreignNotional'])) / float(pos['avgEntryPrice']) * balance['price']) / float(pos['avgEntryPrice'])
         return balance
     balance['cryptoBalance'] = get_crypto_balance()['total']