wallet_fallbackfee.py raw

   1  #!/usr/bin/env python3
   2  # Copyright (c) 2017-2022 The Limenka developers
   3  # Distributed under the MIT software license, see the accompanying
   4  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5  """Test wallet replace-by-fee capabilities in conjunction with the fallbackfee."""
   6  
   7  from test_framework.blocktools import COINBASE_MATURITY
   8  from test_framework.test_framework import LimenkaTestFramework
   9  from test_framework.util import assert_raises_rpc_error
  10  
  11  class WalletRBFTest(LimenkaTestFramework):
  12      def add_options(self, parser):
  13          self.add_wallet_options(parser)
  14  
  15      def set_test_params(self):
  16          self.num_nodes = 1
  17          self.setup_clean_chain = True
  18  
  19      def skip_test_if_missing_module(self):
  20          self.skip_if_no_wallet()
  21  
  22      def run_test(self):
  23          self.generate(self.nodes[0], COINBASE_MATURITY + 1)
  24  
  25          # sending a transaction without fee estimations must be possible by default on regtest
  26          self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
  27  
  28          # test sending a tx with disabled fallback fee (must fail)
  29          self.restart_node(0, extra_args=["-fallbackfee=0"])
  30          assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1))
  31          assert_raises_rpc_error(-4, "Fee estimation failed", lambda: self.nodes[0].fundrawtransaction(self.nodes[0].createrawtransaction([], {self.nodes[0].getnewaddress(): 1})))
  32          assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[0].sendmany("", {self.nodes[0].getnewaddress(): 1}))
  33  
  34  if __name__ == '__main__':
  35      WalletRBFTest(__file__).main()
  36