text: #!/usr/bin/env python3
  # Copyright (c) 2015-2016 The Bitcoinold Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #
  # Exercise API with -disablewallet.
  #
  
  from test_framework.test_framework import BitcoinoldTestFramework
  from test_framework.util import *
  
  
  class DisableWalletTest (BitcoinoldTestFramework):
  
      def __init__(self):
          super().__init__()
          self.setup_clean_chain = True
          self.num_nodes = 1
  
      def setup_network(self, split=False):
          self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, [['-disablewallet']])
          self.is_network_split = False
          self.sync_all()
  
      def run_test (self):
          # Check regression: https://github.com/bitcoinold/bitcoinold/issues/6963#issuecomment-154548880
          x = self.nodes[0].validateaddress('3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
          assert(x['isvalid'] == False)
          x = self.nodes[0].validateaddress('mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
          assert(x['isvalid'] == True)
  
          # Checking mining to an address without a wallet
          try:
              self.nodes[0].generatetoaddress(1, 'mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
          except JSONRPCException as e:
              assert("Invalid address" not in e.error['message'])
              assert("ProcessNewBlock, block not accepted" not in e.error['message'])
              assert("Couldn't create new block" not in e.error['message'])
  
          try:
              self.nodes[0].generatetoaddress(1, '3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
              raise AssertionError("Must not mine to invalid address!")
          except JSONRPCException as e:
              assert("Invalid address" in e.error['message'])
  
  if __name__ == '__main__':
      DisableWalletTest ().main ()
  