elements/test/functional/wallet_fallbackfee.py

63 lines
3 KiB
Python
Executable file

#!/usr/bin/env python3
# Copyright (c) 2017-2022 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 wallet replace-by-fee capabilities in conjunction with the fallbackfee."""
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_raises_rpc_error
from test_framework.util import rpc_port ## ELEMENTS
class WalletRBFTest(BitcoinTestFramework):
def add_options(self, parser):
self.add_wallet_options(parser)
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
self.generate(self.nodes[0], COINBASE_MATURITY + 1, sync_fun=self.no_op)
# sending a transaction without fee estimations must be possible by default on regtest
self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# test sending a tx with disabled fallback fee (must fail)
self.restart_node(0, extra_args=["-fallbackfee=0"])
assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1))
assert_raises_rpc_error(-4, "Fee estimation failed", lambda: self.nodes[0].fundrawtransaction(self.nodes[0].createrawtransaction([], [{self.nodes[0].getnewaddress(): 1}])))
assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[0].sendmany("", {self.nodes[0].getnewaddress(): 1}))
# ELEMENTS: test claimpegin with fallback fee set to zero
# getpeginaddress does not work with descriptor wallets yet
if not self.options.descriptors:
extra_args = [
'-fallbackfee=0',
'-mainchainrpchost=127.0.0.1',
'-mainchainrpcport=%s' % rpc_port(0),
'-parentgenesisblockhash=%s' % self.nodes[0].getblockhash(0),
'-con_parent_chain_signblockscript=51',
'-parentscriptprefix=75',
]
self.restart_node(0)
self.restart_node(1, extra_args)
addrs = self.nodes[1].getpeginaddress()
txid = self.nodes[0].sendtoaddress(addrs["mainchain_address"], 5)
raw = self.nodes[0].getrawtransaction(txid)
self.generate(self.nodes[0], 12, sync_fun=self.no_op)
proof = self.nodes[0].gettxoutproof([txid])
assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[1].claimpegin(raw, proof))
# Try again with fallbackfee below the min relay fee. It should just work
# (will let the relay fee override the fallbackfee)
extra_args[0] = '-fallbackfee=0.00000001'
self.restart_node(1, extra_args)
self.nodes[1].claimpegin(raw, proof)
if __name__ == '__main__':
WalletRBFTest(__file__).main()