balance_check and update address.py

# Sends a request to the IOTA node and gets the current confirmed balance
def address_balance(address):
    api = Iota(iota_node)
    gna_result = api.get_balances([address])
    balance = gna_result['balances']
    return balance[0]


# Checks all addresses that are saved in the account file and updates there balance
# start_index can be set in order to ignore all addresses befor the start index
def update_addresses_balance(start_index=0):
    max_index = 0
    for data in address_data:
        index = data["index"]
        if start_index <= index:
            address = str(data["address"])
            balance = address_balance(address)
            write_address_data(index, address, balance)

        if max_index < index:
            max_index = index

    if max_index < start_index:
        print("Start index was not found. You should generate more addresses or use a lower start index")