text: #!/usr/bin/env python3
  # Copyright (c) 2016-2018 The Bitcoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test RPC commands for signing and verifying messages."""
  
  from test_framework.test_Rubix import RubixTestFramework
  from test_framework.util import assert_equal
  
  class SignMessagesTest(RubixTestFramework):
      def set_test_params(self):
          self.setup_clean_chain = True
          self.num_nodes = 1
          self.extra_args = [[]]
  
      def skip_test_if_missing_module(self):
          self.skip_if_no_wallet()
  
      def setup_network(self, split=False):
          self.add_nodes(self.num_nodes, extra_args=self.extra_args)
          self.start_nodes()
  
      def run_test(self):
          self.nodes[0].extkeyimportmaster('abandon baby cabbage dad eager fabric gadget habit ice kangaroo lab absorb')
  
          message = 'This is just a test message'
  
          self.log.info('test signing with priv_key')
          priv_key = '7shnesmjFcQZoxXCsNV55v7hrbQMtBfMNscuBkYrLa1mcJNPbXhU'
          address = 'pX9N6S76ZtA5BfsiJmqBbjaEgLMHpt58it'
          expected_signature = 'H/ededxXrX9m9uygWRZyfdpEKiKbsHpXZtdWqM1BP+AfDZVV1y0YRcOsGmyKEmDoD7R8Tqa2ptk3XAm71ELGZLo='
          signature = self.nodes[0].signmessagewithprivkey(priv_key, message)
          assert_equal(expected_signature, signature)
          assert(self.nodes[0].verifymessage(address, signature, message))
  
          self.log.info('test signing with an address with wallet')
          address = self.nodes[0].getnewaddress()
          signature = self.nodes[0].signmessage(address, message)
          assert(self.nodes[0].verifymessage(address, signature, message))
  
          self.log.info('test signing with a 256bit address with wallet')
          address = self.nodes[0].getnewaddress('', False, False, True)
          signature = self.nodes[0].signmessage(address, message)
          assert(self.nodes[0].verifymessage(address, signature, message))
  
          self.log.info('test verifying with another address should not work')
          other_address = self.nodes[0].getnewaddress()
          other_signature = self.nodes[0].signmessage(other_address, message)
          assert(not self.nodes[0].verifymessage(other_address, signature, message))
          assert(not self.nodes[0].verifymessage(address, other_signature, message))
  
  
  if __name__ == '__main__':
      SignMessagesTest().main()
  