text: #!/usr/bin/env python3
  # Copyright (c) 2017 The Bitcoin Core developers
  # Copyright (c) 2017-2018 The Fecal E.coli developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test deprecation of RPC calls."""
  from test_framework.test_framework import RavenTestFramework
  from test_framework.util import assert_raises_rpc_error
  
  class DeprecatedRpcTest(RavenTestFramework):
      def set_test_params(self):
          self.num_nodes = 2
          self.setup_clean_chain = True
          self.extra_args = [[], ["-deprecatedrpc=estimatefee"]]
  
      def run_test(self):
          self.log.info("estimatefee: Shows deprecated message")
          assert_raises_rpc_error(-32, 'estimatefee is deprecated', self.nodes[0].estimatefee, 1)
  
          self.log.info("Using -deprecatedrpc=estimatefee bypasses the error")
          self.nodes[1].estimatefee(1)
  
  if __name__ == '__main__':
      DeprecatedRpcTest().main()
  