def get_money_supply(author: Union[AccountId, str],
server: Server) -> Fraction:
"""Return sum of all account balances"""
return sum(acc.get_balance() for acc in server.get_accounts())
def process_money_supply(author: AccountId, message: str, server: Server,
**kwargs):
"""Processes a message requesting the total money supply."""
main_response = 'The total money supply is %s.' % fraction_to_str(
sum(account.get_balance() for account in server.get_accounts()))
return 'Hi there. %s Have a great day.' % main_response