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#!/usr/bin/env python3
# Copyright (c) 2017-2020 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 various command line arguments and configuration file parameters."""
import os
import time
from test_framework.test_framework import BitcoinTestFramework
from test_framework import util
class ConfArgsTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
self.supports_cli = False
self.wallet_names = []
def test_config_file_parser(self):
# Assume node is stopped
inc_conf_file_path = os.path.join(self.nodes[0].datadir, 'include.conf')
with open(os.path.join(self.nodes[0].datadir, 'bitcoin.conf'), 'a', encoding='utf-8') as conf:
conf.write('includeconf={}\n'.format(inc_conf_file_path))
self.nodes[0].assert_start_raises_init_error(
expected_msg='Error: Error parsing command line arguments: Invalid parameter -dash_cli=1',
extra_args=['-dash_cli=1'],
)
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('dash_conf=1\n')
with self.nodes[0].assert_debug_log(expected_msgs=['Ignoring unknown configuration value dash_conf']):
self.start_node(0)
self.stop_node(0)
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('-dash=1\n')
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Error reading configuration file: parse error on line 1: -dash=1, options in configuration file must be specified without leading -')
if self.is_wallet_compiled():
with open(inc_conf_file_path, 'w', encoding='utf8') as conf:
conf.write("wallet=foo\n")
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Config setting for -wallet only applied on %s network when in [%s] section.' % (self.chain, self.chain))
main_conf_file_path = os.path.join(self.options.tmpdir, 'node0', 'bitcoin_main.conf')
util.write_config(main_conf_file_path, n=0, chain='', extra_config='includeconf={}\n'.format(inc_conf_file_path))
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('acceptnonstdtxn=1\n')
self.nodes[0].assert_start_raises_init_error(extra_args=["-conf={}".format(main_conf_file_path)], expected_msg='Error: acceptnonstdtxn is not currently supported for main chain')
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('nono\n')
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Error reading configuration file: parse error on line 1: nono, if you intended to specify a negated option, use nono=1 instead')
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('server=1\nrpcuser=someuser\nrpcpassword=some#pass')
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Error reading configuration file: parse error on line 3, using # in rpcpassword can be ambiguous and should be avoided')
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('server=1\nrpcuser=someuser\nmain.rpcpassword=some#pass')
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Error reading configuration file: parse error on line 3, using # in rpcpassword can be ambiguous and should be avoided')
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('server=1\nrpcuser=someuser\n[main]\nrpcpassword=some#pass')
self.nodes[0].assert_start_raises_init_error(expected_msg='Error: Error reading configuration file: parse error on line 4, using # in rpcpassword can be ambiguous and should be avoided')
inc_conf_file2_path = os.path.join(self.nodes[0].datadir, 'include2.conf')
with open(os.path.join(self.nodes[0].datadir, 'bitcoin.conf'), 'a', encoding='utf-8') as conf:
conf.write('includeconf={}\n'.format(inc_conf_file2_path))
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('testnot.datadir=1\n')
with open(inc_conf_file2_path, 'w', encoding='utf-8') as conf:
conf.write('[testnet]\n')
self.restart_node(0)
self.nodes[0].stop_node(expected_stderr='Warning: ' + inc_conf_file_path + ':1 Section [testnot] is not recognized.' + os.linesep + inc_conf_file2_path + ':1 Section [testnet] is not recognized.')
with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
conf.write('') # clear
with open(inc_conf_file2_path, 'w', encoding='utf-8') as conf:
conf.write('') # clear
def test_invalid_command_line_options(self):
self.nodes[0].assert_start_raises_init_error(
expected_msg='Error: No proxy server specified. Use -proxy=<ip> or -proxy=<ip:port>.',
extra_args=['-proxy'],
)
def test_log_buffer(self):
with self.nodes[0].assert_debug_log(expected_msgs=['Warning: parsed potentially confusing double-negative -connect=0\n']):
self.start_node(0, extra_args=['-noconnect=0'])
self.stop_node(0)
def test_args_log(self):
self.log.info('Test config args logging')
with self.nodes[0].assert_debug_log(
expected_msgs=[
'Command-line arg: addnode="some.node"',
'Command-line arg: rpcauth=****',
'Command-line arg: rpcbind=****',
'Command-line arg: rpcpassword=****',
'Command-line arg: rpcuser=****',
'Command-line arg: torpassword=****',
'Config file arg: %s="1"' % self.chain,
'Config file arg: [%s] server="1"' % self.chain,
],
unexpected_msgs=[
'alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc0',
'127.1.1.1',
'secret-rpcuser',
'secret-torpassword',
]):
self.start_node(0, extra_args=[
'-addnode=some.node',
'-rpcauth=alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc0',
'-rpcbind=127.1.1.1',
'-rpcpassword=',
'-rpcuser=secret-rpcuser',
'-torpassword=secret-torpassword',
])
self.stop_node(0)
def test_networkactive(self):
self.log.info('Test -networkactive option')
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: true\n']):
self.start_node(0)
self.stop_node(0)
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: true\n']):
self.start_node(0, extra_args=['-networkactive'])
self.stop_node(0)
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: true\n']):
self.start_node(0, extra_args=['-networkactive=1'])
self.stop_node(0)
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: false\n']):
self.start_node(0, extra_args=['-networkactive=0'])
self.stop_node(0)
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: false\n']):
self.start_node(0, extra_args=['-nonetworkactive'])
self.stop_node(0)
with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: false\n']):
self.start_node(0, extra_args=['-nonetworkactive=1'])
self.stop_node(0)
def test_seed_peers(self):
self.log.info('Test seed peers')
default_data_dir = self.nodes[0].datadir
# No peers.dat exists and -dnsseed=1
# We expect the node will use DNS Seeds, but Regtest mode has 0 DNS seeds
# So after 60 seconds, the node should fallback to fixed seeds (this is a slow test)
assert not os.path.exists(os.path.join(default_data_dir, "peers.dat"))
start = int(time.time())
with self.nodes[0].assert_debug_log(expected_msgs=[
"Loaded 0 addresses from peers.dat",
"0 addresses found from DNS seeds"]):
self.start_node(0, extra_args=['-dnsseed=1 -mocktime={}'.format(start)])
with self.nodes[0].assert_debug_log(expected_msgs=[
"Adding fixed seeds as 60 seconds have passed and addrman is empty"]):
self.nodes[0].setmocktime(start + 65)
self.stop_node(0)
# No peers.dat exists and -dnsseed=0
# We expect the node will fallback immediately to fixed seeds
assert not os.path.exists(os.path.join(default_data_dir, "peers.dat"))
start = time.time()
with self.nodes[0].assert_debug_log(expected_msgs=[
"Loaded 0 addresses from peers.dat",
"DNS seeding disabled",
"Adding fixed seeds as -dnsseed=0, -addnode is not provided and all -seednode(s) attempted\n"]):
self.start_node(0, extra_args=['-dnsseed=0'])
assert time.time() - start < 60
self.stop_node(0)
# No peers.dat exists and dns seeds are disabled.
# We expect the node will not add fixed seeds when explicitly disabled.
assert not os.path.exists(os.path.join(default_data_dir, "peers.dat"))
start = time.time()
with self.nodes[0].assert_debug_log(expected_msgs=[
"Loaded 0 addresses from peers.dat",
"DNS seeding disabled",
"Fixed seeds are disabled"]):
self.start_node(0, extra_args=['-dnsseed=0', '-fixedseeds=0'])
assert time.time() - start < 60
self.stop_node(0)
# No peers.dat exists and -dnsseed=0, but a -addnode is provided
# We expect the node will allow 60 seconds prior to using fixed seeds
assert not os.path.exists(os.path.join(default_data_dir, "peers.dat"))
start = int(time.time())
with self.nodes[0].assert_debug_log(expected_msgs=[
"Loaded 0 addresses from peers.dat",
"DNS seeding disabled"]):
self.start_node(0, extra_args=['-dnsseed=0', '-addnode=fakenodeaddr -mocktime={}'.format(start)])
with self.nodes[0].assert_debug_log(expected_msgs=[
"Adding fixed seeds as 60 seconds have passed and addrman is empty"]):
self.nodes[0].setmocktime(start + 65)
self.stop_node(0)
def run_test(self):
self.stop_node(0)
self.test_log_buffer()
self.test_args_log()
self.test_seed_peers()
self.test_networkactive()
self.test_config_file_parser()
self.test_invalid_command_line_options()
# Remove the -datadir argument so it doesn't override the config file
self.nodes[0].args = [arg for arg in self.nodes[0].args if not arg.startswith("-datadir")]
default_data_dir = self.nodes[0].datadir
new_data_dir = os.path.join(default_data_dir, 'newdatadir')
new_data_dir_2 = os.path.join(default_data_dir, 'newdatadir2')
# Check that using -datadir argument on non-existent directory fails
self.nodes[0].datadir = new_data_dir
self.nodes[0].assert_start_raises_init_error(['-datadir=' + new_data_dir], 'Error: Specified data directory "' + new_data_dir + '" does not exist.')
# Check that using non-existent datadir in conf file fails
conf_file = os.path.join(default_data_dir, "bitcoin.conf")
# datadir needs to be set before [chain] section
conf_file_contents = open(conf_file, encoding='utf8').read()
with open(conf_file, 'w', encoding='utf8') as f:
f.write("datadir=" + new_data_dir + "\n")
f.write(conf_file_contents)
self.nodes[0].assert_start_raises_init_error(['-conf=' + conf_file], 'Error: Error reading configuration file: specified data directory "' + new_data_dir + '" does not exist.')
# Create the directory and ensure the config file now works
os.mkdir(new_data_dir)
self.start_node(0, ['-conf='+conf_file])
self.stop_node(0)
assert os.path.exists(os.path.join(new_data_dir, self.chain, 'blocks'))
# Ensure command line argument overrides datadir in conf
os.mkdir(new_data_dir_2)
self.nodes[0].datadir = new_data_dir_2
self.start_node(0, ['-datadir='+new_data_dir_2, '-conf='+conf_file])
assert os.path.exists(os.path.join(new_data_dir_2, self.chain, 'blocks'))
if __name__ == '__main__':
ConfArgsTest().main()
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