Host-customized fork of https://github.com/tecnovert/basicswap/
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2019-2020 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 time
import signal
import logging
import traceback
import subprocess
import basicswap.config as cfg
from basicswap import __version__
from basicswap.basicswap import BasicSwap
from basicswap.http_server import HttpThread
logger = logging.getLogger()
logger.level = logging.DEBUG
if not len(logger.handlers):
logger.addHandler(logging.StreamHandler(sys.stdout))
swap_client = None
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=[]):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
args = [daemon_bin, '-datadir=' + os.path.expanduser(node_dir)] + opts
logging.info('Starting node ' + daemon_bin + ' ' + '-datadir=' + node_dir)
return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
def startXmrDaemon(node_dir, bin_dir, daemon_bin, opts=[]):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
data_dir = os.path.expanduser(node_dir)
args = [daemon_bin, '--non-interactive', '--config-file=' + os.path.join(data_dir, '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(data_dir, 'core_stdout.log'), 'w')
file_stderr = open(os.path.join(data_dir, 'core_stderr.log'), 'w')
return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=file_stdout, stderr=file_stderr)
def startXmrWalletDaemon(node_dir, bin_dir, wallet_bin, opts=[]):
daemon_bin = os.path.expanduser(os.path.join(bin_dir, wallet_bin))
data_dir = os.path.expanduser(node_dir)
args = [daemon_bin, '--non-interactive', '--config-file=' + os.path.join(data_dir, 'monero_wallet.conf')] + opts
args += opts
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 subprocess.Popen(args, stdin=subprocess.PIPE, stdout=wallet_stdout, stderr=wallet_stderr, cwd=data_dir)
def runClient(fp, data_dir, chain):
global swap_client
settings_path = os.path.join(data_dir, cfg.CONFIG_FILENAME)
pids_path = os.path.join(data_dir, '.pids')
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)
daemons = []
pids = []
threads = []
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()
try:
# Try start daemons
for c, v in settings['chainclients'].items():
if c == 'monero':
if v['manage_daemon'] is True:
logger.info('Starting {} daemon'.format(c.capitalize()))
daemons.append(startXmrDaemon(v['datadir'], v['bindir'], 'monerod'))
pid = daemons[-1].pid
logger.info('Started {} {}'.format('monerod', pid))
if v['manage_wallet_daemon'] is True:
logger.info('Starting {} wallet daemon'.format(c.capitalize()))
daemons.append(startXmrWalletDaemon(v['datadir'], v['bindir'], 'monero-wallet-rpc'))
pid = daemons[-1].pid
logger.info('Started {} {}'.format('monero-wallet-rpc', pid))
continue
if v['manage_daemon'] is True:
logger.info('Starting {} daemon'.format(c.capitalize()))
filename = c + 'd' + ('.exe' if os.name == 'nt' else '')
daemons.append(startDaemon(v['datadir'], v['bindir'], filename))
pid = daemons[-1].pid
pids.append((c, pid))
swap_client.setDaemonPID(c, pid)
logger.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)
swap_client.start()
if 'htmlhost' in settings:
swap_client.log.info('Starting server at %s:%d.' % (settings['htmlhost'], settings['htmlport']))
allow_cors = settings['allowcors'] if 'allowcors' in settings else cfg.DEFAULT_ALLOW_CORS
tS1 = HttpThread(fp, settings['htmlhost'], settings['htmlport'], allow_cors, swap_client)
threads.append(tS1)
tS1.start()
logger.info('Exit with Ctrl + c.')
while swap_client.is_running:
time.sleep(0.5)
swap_client.update()
except Exception as ex:
traceback.print_exc()
swap_client.finalise()
swap_client.log.info('Stopping HTTP threads.')
for t in threads:
t.stop()
t.join()
closed_pids = []
for d in daemons:
logging.info('Interrupting {}'.format(d.pid))
try:
d.send_signal(signal.SIGINT)
except Exception as e:
logging.info('Interrupting %d, error %s', d.pid, str(e))
for d in daemons:
try:
d.wait(timeout=120)
for fp in (d.stdout, d.stderr, d.stdin):
if fp:
fp.close()
closed_pids.append(d.pid)
except Exception as ex:
logger.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:', __version__)
def printHelp():
logger.info('Usage: basicswap-run ')
logger.info('\n--help, -h Print help.')
logger.info('--version, -v Print version.')
logger.info('--datadir=PATH Path to basicswap data directory, default:{}.'.format(cfg.DEFAULT_DATADIR))
logger.info('--mainnet Run in mainnet mode.')
logger.info('--testnet Run in testnet mode.')
logger.info('--regtest Run in regtest mode.')
def main():
data_dir = None
chain = 'mainnet'
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 == 'testnet':
chain = 'testnet'
continue
if name == 'regtest':
chain = 'regtest'
continue
if len(s) == 2:
if name == 'datadir':
data_dir = os.path.expanduser(s[1])
continue
logger.warning('Unknown argument %s', v)
if data_dir is None:
data_dir = os.path.join(os.path.expanduser(cfg.DEFAULT_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)
logger.info('Done.')
return swap_client.fail_code if swap_client is not None else 0
if __name__ == '__main__':
main()