old_contents: import os
  
  
  WEBSOCKET_URL = os.environ.get('WEBSOCKET_URL', "ws://127.0.0.1:8090/ws")
  
  POSTGRES = {'host': os.environ.get('POSTGRES_HOST', 'localhost'),
              'database': os.environ.get('POSTGRES_DATABASE', 'explorer'),
              'user': os.environ.get('POSTGRES_USER', 'postgres'),
              'password': os.environ.get('POSTGRES_PASSWORD', 'posta'),
  }
  
  # a connection to a bitshares full node
  FULL_WEBSOCKET_URL = os.environ.get('FULL_WEBSOCKET_URL', "ws://88.99.145.10:9999/ws")
  
  # a connection to an ElasticSearch wrapper
  ES_WRAPPER = os.environ.get('ES_WRAPPER', "http://185.208.208.184:5000")
  
  
  CORE_ASSET_SYMBOL = 'BTS'
  CORE_ASSET_ID = '1.3.0'
  
new_contents: import os
  
  
  WEBSOCKET_URL = os.environ.get('WEBSOCKET_URL', "ws://127.0.0.1:8090/ws")
  WEBSOCKET_PUBLIC_HELPER = os.environ.get('WEBSOCKET_URL', "wss://node.bitshares.eu/ws")
  
  POSTGRES = {'host': os.environ.get('POSTGRES_HOST', 'localhost'),
              'database': os.environ.get('POSTGRES_DATABASE', 'explorer'),
              'user': os.environ.get('POSTGRES_USER', 'postgres'),
              'password': os.environ.get('POSTGRES_PASSWORD', 'posta'),
  }
  
  # a connection to a bitshares full node
  FULL_WEBSOCKET_URL = os.environ.get('FULL_WEBSOCKET_URL', "ws://88.99.145.10:9999/ws")
  
  # a connection to an ElasticSearch wrapper
  ES_WRAPPER = os.environ.get('ES_WRAPPER', "http://185.208.208.184:5000")
  
  CORE_ASSET_SYMBOL = 'BTS'
  CORE_ASSET_ID = '1.3.0'
  
  TESTNET = 1 # 0 = not in the testnet, 1 = testnet
  CORE_ASSET_SYMBOL_TESTNET = 'TEST'
  
subject: add testnet params to config