new default coin image if coin image file not found

coin/indicator.py

@@ -109,9 +109,12 @@ def _start_exchange(self):
             item.set_label('loading')
 
         self.volume_item.set_label('loading')
-
         home_currency = self.active_asset_pair.lower()[1:4]
-        self.indicator.set_icon(self.coin.config.get('project_root') + '/resources/' + home_currency + '.png')
+
+        if isfile(self.coin.config.get('project_root') + '/resources/' + home_currency + '.png'):
+            self.indicator.set_icon(self.coin.config.get('project_root') + '/resources/' + home_currency + '.png')
+        else:
+            self.indicator.set_icon(self.coin.config.get('project_root') + '/resources/unknown-coin.png')
 
         # load new exchange instance
         self.exchange_instance = [e.get('instance') for e in self.EXCHANGES if self.active_exchange == e.get('code')][0]

config.yaml

@@ -4,7 +4,7 @@ app:
   name: Coin Price Indicator
   description: A cryptocurrency price ticker applet for Ubuntu
   url: https://github.com/nilgradisnik/coinprice-indicator
-  version: "0.9.9"
+  version: "1.0"
 
 authors:
   -
@@ -33,6 +33,9 @@ contributors:
   -
     name: Thepassith N.
     email: [email protected]
+  -
+    name: Alessio Carrafa
+    email: [email protected]
 
 artist:
   name: Alicen Maniscalco