Added error codes for funding sources errors

Author: ChristianCasado

lib/shipengine/exceptions/error_code.rb

@@ -247,7 +247,17 @@ def self.get_by_str(str_key)
         ## ShipEngine only allows you to have one webhook of each type. If you would
         ## like to replace a webhook with a new one please delete the old one fir.
         #   #/
-        WEBHOOK_EVENT_TYPE_CONFLICT: 'webhook_event_type_conflict'
+        WEBHOOK_EVENT_TYPE_CONFLICT: 'webhook_event_type_conflict',
+
+        ##
+        ## Funding source isnt properly configured and can't be used.
+        #   #/
+        FUNDING_SOURCE_MISSING_CONFIGURATION: 'funding_source_missing_configuration',
+
+        ##
+        ## There was an unexpected problem with a funding source.
+        #   #/
+        FUNDING_SOURCE_ERROR: 'funding_source_error'
       }.freeze
     end
   end

lib/shipengine/exceptions/error_type.rb

@@ -42,7 +42,11 @@ def self.get_by_str(str_key)
         # that has not yet been assigned a specific error_type. If you receive
         # persistent system errors, then please contact our support or check our API
         # status page to see if there's a known issue.
-        SYSTEM: 'system'
+        SYSTEM: 'system',
+        # General wallet error type.
+        WALLET: 'wallet',
+        # General funding sources error type.
+        FUNDING_SOURCES: 'funding_sources'
       }.freeze
     end
   end