#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2019-2024 tecnovert
# Distributed under the MIT software license, see the accompanying
# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
import os
import sys
import json
import shutil
import signal
import logging
import traceback
import subprocess
import basicswap.config as cfg
from basicswap import __version__
from basicswap.ui.util import getCoinName
from basicswap.basicswap import BasicSwap
from basicswap.chainparams import chainparams
from basicswap.http_server import HttpThread
from basicswap.contrib.websocket_server import WebsocketServer
logger = logging.getLogger()
logger.level = logging.DEBUG
if not len(logger.handlers):
logger.addHandler(logging.StreamHandler(sys.stdout))
swap_client = None
class Daemon:
__slots__ = ('handle', 'files')
def __init__(self, handle, files):
self.handle = handle
self.files = files
def is_known_coin(coin_name: str) -> bool:
for k, v in chainparams:
if coin_name == v['name']:
return True
return False
def signal_handler(sig, frame):
global swap_client
logger.info('Signal %d detected, ending program.' % (sig))
if swap_client is not None:
swap_client.stopRunning()
def startDaemon(node_dir, bin_dir, daemon_bin, opts=[], extra_config={}):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
datadir_path = os.path.expanduser(node_dir)
# Rewrite litecoin.conf for 0.21.3
ltc_conf_path = os.path.join(datadir_path, 'litecoin.conf')
if os.path.exists(ltc_conf_path):
config_to_add = ['blockfilterindex=0', 'peerblockfilters=0']
with open(ltc_conf_path) as fp:
for line in fp:
line = line.strip()
if line in config_to_add:
config_to_add.remove(line)
if len(config_to_add) > 0:
logging.info('Rewriting litecoin.conf')
shutil.copyfile(ltc_conf_path, ltc_conf_path + '.last')
with open(ltc_conf_path, 'a') as fp:
for line in config_to_add:
fp.write(line + '\n')
args = [daemon_bin, ]
add_datadir: bool = extra_config.get('add_datadir', True)
if add_datadir:
args.append('-datadir=' + datadir_path)
args += opts
logging.info('Starting node ' + daemon_bin + ' ' + (('-datadir=' + node_dir) if add_datadir else ''))
opened_files = []
if extra_config.get('stdout_to_file', False):
stdout_dest = open(os.path.join(datadir_path, extra_config.get('stdout_filename', 'core_stdout.log')), 'w')
opened_files.append(stdout_dest)
stderr_dest = stdout_dest
else:
stdout_dest = subprocess.PIPE
stderr_dest = subprocess.PIPE
return Daemon(subprocess.Popen(args, stdin=subprocess.PIPE, stdout=stdout_dest, stderr=stderr_dest, cwd=datadir_path), opened_files)
def startXmrDaemon(node_dir, bin_dir, daemon_bin, opts=[]):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
datadir_path = os.path.expanduser(node_dir)
args = [daemon_bin, '--non-interactive', '--config-file=' + os.path.join(datadir_path, 'monerod.conf')] + opts
logging.info('Starting node {} --data-dir={}'.format(daemon_bin, node_dir))
# return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
file_stdout = open(os.path.join(datadir_path, 'core_stdout.log'), 'w')
file_stderr = open(os.path.join(datadir_path, 'core_stderr.log'), 'w')
return Daemon(subprocess.Popen(args, stdin=subprocess.PIPE, stdout=file_stdout, stderr=file_stderr, cwd=datadir_path), [file_stdout, file_stderr])
def startXmrWalletDaemon(node_dir, bin_dir, wallet_bin, opts=[]):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, wallet_bin))
args = [daemon_bin, '--non-interactive']
needs_rewrite: bool = False
config_to_remove = ['daemon-address=', 'untrusted-daemon=', 'trusted-daemon=', 'proxy=']
data_dir = os.path.expanduser(node_dir)
config_path = os.path.join(data_dir, 'monero_wallet.conf')
if os.path.exists(config_path):
args += ['--config-file=' + config_path]
with open(config_path) as fp:
for line in fp:
if any(line.startswith(config_line) for config_line in config_to_remove):
logging.warning('Found old config in monero_wallet.conf: {}'.format(line.strip()))
needs_rewrite = True
args += opts
if needs_rewrite:
logging.info('Rewriting monero_wallet.conf')
shutil.copyfile(config_path, config_path + '.last')
with open(config_path + '.last') as fp_from, open(config_path, 'w') as fp_to:
for line in fp_from:
if not any(line.startswith(config_line) for config_line in config_to_remove):
fp_to.write(line)
logging.info('Starting wallet daemon {} --wallet-dir={}'.format(daemon_bin, node_dir))
# TODO: return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=data_dir)
wallet_stdout = open(os.path.join(data_dir, 'wallet_stdout.log'), 'w')
wallet_stderr = open(os.path.join(data_dir, 'wallet_stderr.log'), 'w')
return Daemon(subprocess.Popen(args, stdin=subprocess.PIPE, stdout=wallet_stdout, stderr=wallet_stderr, cwd=data_dir), [wallet_stdout, wallet_stderr])
def ws_new_client(client, server):
if swap_client:
swap_client.log.debug(f'ws_new_client {client["id"]}')
def ws_client_left(client, server):
if client is None:
return
if swap_client:
swap_client.log.debug(f'ws_client_left {client["id"]}')
def ws_message_received(client, server, message):
if len(message) > 200:
message = message[:200] + '..'
if swap_client:
swap_client.log.debug(f'ws_message_received {client["id"]} {message}')
def runClient(fp, data_dir, chain, start_only_coins):
global swap_client
daemons = []
pids = []
threads = []
settings_path = os.path.join(data_dir, cfg.CONFIG_FILENAME)
pids_path = os.path.join(data_dir, '.pids')
if os.getenv('WALLET_ENCRYPTION_PWD', '') != '':
raise ValueError('Please unset the WALLET_ENCRYPTION_PWD environment variable.')
if not os.path.exists(settings_path):
raise ValueError('Settings file not found: ' + str(settings_path))
with open(settings_path) as fs:
settings = json.load(fs)
swap_client = BasicSwap(fp, data_dir, settings, chain)
if os.path.exists(pids_path):
with open(pids_path) as fd:
for ln in fd:
# TODO: try close
logger.warning('Found pid for daemon {} '.format(ln.strip()))
# Ensure daemons are stopped
swap_client.stopDaemons()
# Settings may have been modified
settings = swap_client.settings
try:
# Try start daemons
for c, v in settings['chainclients'].items():
if len(start_only_coins) > 0 and c not in start_only_coins:
continue
try:
coin_id = swap_client.getCoinIdFromName(c)
display_name = getCoinName(coin_id)
except Exception as e:
logger.warning('Error getting coin display name for {}: {}'.format(c, str(e)))
display_name = 'Unknown'
if c == 'monero':
if v['manage_daemon'] is True:
swap_client.log.info(f'Starting {display_name} daemon')
filename = 'monerod' + ('.exe' if os.name == 'nt' else '')
daemons.append(startXmrDaemon(v['datadir'], v['bindir'], filename))
pid = daemons[-1].handle.pid
swap_client.log.info('Started {} {}'.format(filename, pid))
if v['manage_wallet_daemon'] is True:
swap_client.log.info(f'Starting {display_name} wallet daemon')
daemon_addr = '{}:{}'.format(v['rpchost'], v['rpcport'])
trusted_daemon: bool = swap_client.getXMRTrustedDaemon(coin_id, v['rpchost'])
opts = ['--daemon-address', daemon_addr, ]
proxy_log_str = ''
proxy_host, proxy_port = swap_client.getXMRWalletProxy(coin_id, v['rpchost'])
if proxy_host:
proxy_log_str = ' through proxy'
opts += ['--proxy', f'{proxy_host}:{proxy_port}', ]
swap_client.log.info('daemon-address: {} ({}){}'.format(daemon_addr, 'trusted' if trusted_daemon else 'untrusted', proxy_log_str))
daemon_rpcuser = v.get('rpcuser', '')
daemon_rpcpass = v.get('rpcpassword', '')
if daemon_rpcuser != '':
opts.append('--daemon-login')
opts.append(daemon_rpcuser + ':' + daemon_rpcpass)
opts.append('--trusted-daemon' if trusted_daemon else '--untrusted-daemon')
filename = 'monero-wallet-rpc' + ('.exe' if os.name == 'nt' else '')
daemons.append(startXmrWalletDaemon(v['datadir'], v['bindir'], filename, opts))
pid = daemons[-1].handle.pid
swap_client.log.info('Started {} {}'.format(filename, pid))
continue
if v['manage_daemon'] is True:
swap_client.log.info(f'Starting {display_name} daemon')
filename = c + 'd' + ('.exe' if os.name == 'nt' else '')
daemons.append(startDaemon(v['datadir'], v['bindir'], filename))
pid = daemons[-1].handle.pid
pids.append((c, pid))
swap_client.setDaemonPID(c, pid)
swap_client.log.info('Started {} {}'.format(filename, pid))
if len(pids) > 0:
with open(pids_path, 'w') as fd:
for p in pids:
fd.write('{}:{}\n'.format(*p))
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
if len(start_only_coins) > 0:
logger.info(f'Only running {start_only_coins}. Manually exit with Ctrl + c when ready.')
while not swap_client.delay_event.wait(0.5):
pass
else:
swap_client.start()
if 'htmlhost' in settings:
swap_client.log.info('Starting http server at http://%s:%d.' % (settings['htmlhost'], settings['htmlport']))
allow_cors = settings['allowcors'] if 'allowcors' in settings else cfg.DEFAULT_ALLOW_CORS
thread_http = HttpThread(fp, settings['htmlhost'], settings['htmlport'], allow_cors, swap_client)
threads.append(thread_http)
thread_http.start()
if 'wshost' in settings:
ws_url = 'ws://{}:{}'.format(settings['wshost'], settings['wsport'])
swap_client.log.info(f'Starting ws server at {ws_url}.')
swap_client.ws_server = WebsocketServer(host=settings['wshost'], port=settings['wsport'])
swap_client.ws_server.set_fn_new_client(ws_new_client)
swap_client.ws_server.set_fn_client_left(ws_client_left)
swap_client.ws_server.set_fn_message_received(ws_message_received)
swap_client.ws_server.run_forever(threaded=True)
logger.info('Exit with Ctrl + c.')
while not swap_client.delay_event.wait(0.5):
swap_client.update()
except Exception as ex:
traceback.print_exc()
if swap_client.ws_server:
try:
swap_client.log.info('Stopping websocket server.')
swap_client.ws_server.shutdown_gracefully()
except Exception as ex:
traceback.print_exc()
swap_client.finalise()
swap_client.log.info('Stopping HTTP threads.')
for t in threads:
try:
t.stop()
t.join()
except Exception as ex:
traceback.print_exc()
closed_pids = []
for d in daemons:
swap_client.log.info('Interrupting {}'.format(d.handle.pid))
try:
d.handle.send_signal(signal.CTRL_C_EVENT if os.name == 'nt' else signal.SIGINT)
except Exception as e:
swap_client.log.info('Interrupting %d, error %s', d.handle.pid, str(e))
for d in daemons:
try:
d.handle.wait(timeout=120)
for fp in [d.handle.stdout, d.handle.stderr, d.handle.stdin] + d.files:
if fp:
fp.close()
closed_pids.append(d.handle.pid)
except Exception as ex:
swap_client.log.error('Error: {}'.format(ex))
if os.path.exists(pids_path):
with open(pids_path) as fd:
lines = fd.read().split('\n')
still_running = ''
for ln in lines:
try:
if not int(ln.split(':')[1]) in closed_pids:
still_running += ln + '\n'
except Exception:
pass
with open(pids_path, 'w') as fd:
fd.write(still_running)
def printVersion():
logger.info('Basicswap version: %s', __version__)
def printHelp():
print('Usage: basicswap-run ')
print('\n--help, -h Print help.')
print('--version, -v Print version.')
print('--datadir=PATH Path to basicswap data directory, default:{}.'.format(cfg.BASICSWAP_DATADIR))
print('--mainnet Run in mainnet mode.')
print('--testnet Run in testnet mode.')
print('--regtest Run in regtest mode.')
print('--startonlycoin Only start the provides coin daemon/s, use this if a chain requires extra processing.')
def main():
data_dir = None
chain = 'mainnet'
start_only_coins = set()
for v in sys.argv[1:]:
if len(v) < 2 or v[0] != '-':
logger.warning('Unknown argument %s', v)
continue
s = v.split('=')
name = s[0].strip()
for i in range(2):
if name[0] == '-':
name = name[1:]
if name == 'v' or name == 'version':
printVersion()
return 0
if name == 'h' or name == 'help':
printHelp()
return 0
if name in ('mainnet', 'testnet', 'regtest'):
chain = name
continue
if len(s) == 2:
if name == 'datadir':
data_dir = os.path.expanduser(s[1])
continue
if name == 'startonlycoin':
for coin in [s.lower() for s in s[1].split(',')]:
if is_known_coin(coin) is False:
raise ValueError(f'Unknown coin: {coin}')
start_only_coins.add(coin)
continue
logger.warning('Unknown argument %s', v)
if data_dir is None:
data_dir = os.path.join(os.path.expanduser(cfg.BASICSWAP_DATADIR))
logger.info('Using datadir: %s', data_dir)
logger.info('Chain: %s', chain)
if not os.path.exists(data_dir):
os.makedirs(data_dir)
with open(os.path.join(data_dir, 'basicswap.log'), 'a') as fp:
logger.info(os.path.basename(sys.argv[0]) + ', version: ' + __version__ + '\n\n')
runClient(fp, data_dir, chain, start_only_coins)
logger.info('Done.')
return swap_client.fail_code if swap_client is not None else 0
if __name__ == '__main__':
main()