#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright (c) 2019 tecnovert # Distributed under the MIT software license, see the accompanying # file LICENSE.txt or http://www.opensource.org/licenses/mit-license.php. """ basicswap]$ python setup.py test Run one test: $ python setup.py test -s tests.basicswap.test_run.Test.test_04_ltc_btc """ import os import sys import unittest import json import logging import shutil import subprocess import time import signal import threading from urllib.request import urlopen from basicswap.basicswap import ( BasicSwap, Coins, SwapTypes, BidStates, TxStates, SEQUENCE_LOCK_BLOCKS, ) from basicswap.util import ( COIN, toWIF, callrpc_cli, dumpje, ) from basicswap.key import ( ECKey, ) from basicswap.http_server import ( HttpThread, ) import basicswap.config as cfg logger = logging.getLogger() logger.level = logging.DEBUG if not len(logger.handlers): logger.addHandler(logging.StreamHandler(sys.stdout)) NUM_NODES = 3 BASE_PORT = 14792 BASE_RPC_PORT = 19792 BASE_ZMQ_PORT = 20792 PREFIX_SECRET_KEY_REGTEST = 0x2e TEST_HTML_PORT = 1800 LTC_NODE = 3 BTC_NODE = 4 stop_test = False def prepareOtherDir(datadir, nodeId, conf_file='litecoin.conf'): node_dir = os.path.join(datadir, str(nodeId)) if not os.path.exists(node_dir): os.makedirs(node_dir) filePath = os.path.join(node_dir, conf_file) with open(filePath, 'w+') as fp: fp.write('regtest=1\n') fp.write('[regtest]\n') fp.write('port=' + str(BASE_PORT + nodeId) + '\n') fp.write('rpcport=' + str(BASE_RPC_PORT + nodeId) + '\n') fp.write('daemon=0\n') fp.write('printtoconsole=0\n') fp.write('server=1\n') fp.write('discover=0\n') fp.write('listenonion=0\n') fp.write('bind=127.0.0.1\n') fp.write('findpeers=0\n') fp.write('debug=1\n') fp.write('debugexclude=libevent\n') fp.write('acceptnonstdtxn=0\n') def prepareDir(datadir, nodeId, network_key, network_pubkey): node_dir = os.path.join(datadir, str(nodeId)) if not os.path.exists(node_dir): os.makedirs(node_dir) filePath = os.path.join(node_dir, 'particl.conf') with open(filePath, 'w+') as fp: fp.write('regtest=1\n') fp.write('[regtest]\n') fp.write('port=' + str(BASE_PORT + nodeId) + '\n') fp.write('rpcport=' + str(BASE_RPC_PORT + nodeId) + '\n') fp.write('daemon=0\n') fp.write('printtoconsole=0\n') fp.write('server=1\n') fp.write('discover=0\n') fp.write('listenonion=0\n') fp.write('bind=127.0.0.1\n') fp.write('findpeers=0\n') fp.write('debug=1\n') fp.write('debugexclude=libevent\n') fp.write('zmqpubsmsg=tcp://127.0.0.1:' + str(BASE_ZMQ_PORT + nodeId) + '\n') fp.write('acceptnonstdtxn=0\n') fp.write('minstakeinterval=5\n') for i in range(0, NUM_NODES): if nodeId == i: continue fp.write('addnode=127.0.0.1:%d\n' % (BASE_PORT + i)) if nodeId < 2: fp.write('spentindex=1\n') fp.write('txindex=1\n') basicswap_dir = os.path.join(datadir, str(nodeId), 'basicswap') if not os.path.exists(basicswap_dir): os.makedirs(basicswap_dir) ltcdatadir = os.path.join(datadir, str(LTC_NODE)) btcdatadir = os.path.join(datadir, str(BTC_NODE)) settings_path = os.path.join(basicswap_dir, 'basicswap.json') settings = { 'zmqhost': 'tcp://127.0.0.1', 'zmqport': BASE_ZMQ_PORT + nodeId, 'htmlhost': 'localhost', 'htmlport': 12700 + nodeId, 'network_key': network_key, 'network_pubkey': network_pubkey, 'chainclients': { 'particl': { 'connection_type': 'rpc', 'manage_daemon': False, 'rpcport': BASE_RPC_PORT + nodeId, 'datadir': node_dir, 'bindir': cfg.PARTICL_BINDIR, 'blocks_confirmed': 2, # Faster testing }, 'litecoin': { 'connection_type': 'rpc', 'manage_daemon': False, 'rpcport': BASE_RPC_PORT + LTC_NODE, 'datadir': ltcdatadir, 'bindir': cfg.LITECOIN_BINDIR, # 'use_segwit': True, }, 'bitcoin': { 'connection_type': 'rpc', 'manage_daemon': False, 'rpcport': BASE_RPC_PORT + BTC_NODE, 'datadir': btcdatadir, 'bindir': cfg.BITCOIN_BINDIR, 'use_segwit': True, } }, 'check_progress_seconds': 2, 'check_watched_seconds': 4, 'check_expired_seconds': 60 } with open(settings_path, 'w') as fp: json.dump(settings, fp, indent=4) def startDaemon(nodeId, bin_dir=cfg.PARTICL_BINDIR, daemon_bin=cfg.PARTICLD): node_dir = os.path.join(cfg.DATADIRS, str(nodeId)) daemon_bin = os.path.join(bin_dir, daemon_bin) args = [daemon_bin, '-datadir=' + node_dir] logging.info('Starting node ' + str(nodeId) + ' ' + daemon_bin + ' ' + '-datadir=' + node_dir) return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) def partRpc(cmd, node_id=0): return callrpc_cli(cfg.PARTICL_BINDIR, os.path.join(cfg.DATADIRS, str(node_id)), 'regtest', cmd, cfg.PARTICL_CLI) def btcRpc(cmd): return callrpc_cli(cfg.BITCOIN_BINDIR, os.path.join(cfg.DATADIRS, str(BTC_NODE)), 'regtest', cmd, cfg.BITCOIN_CLI) def ltcRpc(cmd): return callrpc_cli(cfg.LITECOIN_BINDIR, os.path.join(cfg.DATADIRS, str(LTC_NODE)), 'regtest', cmd, cfg.LITECOIN_CLI) def signal_handler(sig, frame): global stop_test print('signal {} detected.'.format(sig)) stop_test = True def run_loop(self): while not stop_test: time.sleep(1) for c in self.swap_clients: c.update() ltcRpc('generatetoaddress 1 {}'.format(self.ltc_addr)) btcRpc('generatetoaddress 1 {}'.format(self.btc_addr)) def waitForRPC(rpc_func, wallet=None): for i in range(5): try: rpc_func('getwalletinfo') return except Exception as ex: logging.warning('Can\'t connect to daemon RPC: %s. Trying again in %d second/s.', str(ex), (1 + i)) time.sleep(1 + i) raise ValueError('waitForRPC failed') class Test(unittest.TestCase): @classmethod def setUpClass(cls): super(Test, cls).setUpClass() eckey = ECKey() eckey.generate() cls.network_key = toWIF(PREFIX_SECRET_KEY_REGTEST, eckey.get_bytes()) cls.network_pubkey = eckey.get_pubkey().get_bytes().hex() if os.path.isdir(cfg.DATADIRS): logging.info('Removing ' + cfg.DATADIRS) shutil.rmtree(cfg.DATADIRS) for i in range(NUM_NODES): prepareDir(cfg.DATADIRS, i, cls.network_key, cls.network_pubkey) prepareOtherDir(cfg.DATADIRS, LTC_NODE) prepareOtherDir(cfg.DATADIRS, BTC_NODE, 'bitcoin.conf') cls.daemons = [] cls.swap_clients = [] cls.daemons.append(startDaemon(BTC_NODE, cfg.BITCOIN_BINDIR, cfg.BITCOIND)) logging.info('Started %s %d', cfg.BITCOIND, cls.daemons[-1].pid) cls.daemons.append(startDaemon(LTC_NODE, cfg.LITECOIN_BINDIR, cfg.LITECOIND)) logging.info('Started %s %d', cfg.LITECOIND, cls.daemons[-1].pid) for i in range(NUM_NODES): cls.daemons.append(startDaemon(i)) logging.info('Started %s %d', cfg.PARTICLD, cls.daemons[-1].pid) time.sleep(1) for i in range(NUM_NODES): basicswap_dir = os.path.join(os.path.join(cfg.DATADIRS, str(i)), 'basicswap') settings_path = os.path.join(basicswap_dir, 'basicswap.json') with open(settings_path) as fs: settings = json.load(fs) fp = open(os.path.join(basicswap_dir, 'basicswap.log'), 'w') cls.swap_clients.append(BasicSwap(fp, basicswap_dir, settings, 'regtest', log_name='BasicSwap{}'.format(i))) cls.swap_clients[-1].setDaemonPID(Coins.BTC, cls.daemons[0].pid) cls.swap_clients[-1].setDaemonPID(Coins.LTC, cls.daemons[1].pid) cls.swap_clients[-1].setDaemonPID(Coins.PART, cls.daemons[2 + i].pid) cls.swap_clients[-1].start() cls.swap_clients[0].callrpc('extkeyimportmaster', ['abandon baby cabbage dad eager fabric gadget habit ice kangaroo lab absorb']) cls.swap_clients[1].callrpc('extkeyimportmaster', ['pact mammal barrel matrix local final lecture chunk wasp survey bid various book strong spread fall ozone daring like topple door fatigue limb olympic', '', 'true']) cls.swap_clients[1].callrpc('getnewextaddress', ['lblExtTest']) cls.swap_clients[1].callrpc('rescanblockchain') waitForRPC(ltcRpc) num_blocks = 500 logging.info('Mining %d litecoin blocks', num_blocks) cls.ltc_addr = ltcRpc('getnewaddress mining_addr legacy') ltcRpc('generatetoaddress {} {}'.format(num_blocks, cls.ltc_addr)) ro = ltcRpc('getblockchaininfo') assert(ro['bip9_softforks']['csv']['status'] == 'active') assert(ro['bip9_softforks']['segwit']['status'] == 'active') waitForRPC(btcRpc) cls.btc_addr = btcRpc('getnewaddress mining_addr bech32') logging.info('Mining %d bitcoin blocks to %s', num_blocks, cls.btc_addr) btcRpc('generatetoaddress {} {}'.format(num_blocks, cls.btc_addr)) ro = btcRpc('getblockchaininfo') assert(ro['bip9_softforks']['csv']['status'] == 'active') assert(ro['bip9_softforks']['segwit']['status'] == 'active') ro = ltcRpc('getwalletinfo') print('ltcRpc', ro) cls.http_threads = [] host = '0.0.0.0' # All interfaces (docker) for i in range(3): t = HttpThread(cls.swap_clients[i].fp, host, TEST_HTML_PORT + i, False, cls.swap_clients[i]) cls.http_threads.append(t) t.start() signal.signal(signal.SIGINT, signal_handler) cls.update_thread = threading.Thread(target=run_loop, args=(cls,)) cls.update_thread.start() @classmethod def tearDownClass(cls): global stop_test logging.info('Finalising') stop_test = True cls.update_thread.join() for t in cls.http_threads: t.stop() t.join() for c in cls.swap_clients: c.fp.close() for d in cls.daemons: logging.info('Terminating %d', d.pid) d.terminate() d.wait(timeout=10) if d.stdout: d.stdout.close() if d.stderr: d.stderr.close() if d.stdin: d.stdin.close() super(Test, cls).tearDownClass() def wait_for_offer(self, swap_client, offer_id): logging.info('wait_for_offer %s', offer_id.hex()) for i in range(20): time.sleep(1) offers = swap_client.listOffers() for offer in offers: if offer.offer_id == offer_id: return raise ValueError('wait_for_offer timed out.') def wait_for_bid(self, swap_client, bid_id): logging.info('wait_for_bid %s', bid_id.hex()) for i in range(20): time.sleep(1) bids = swap_client.listBids() for bid in bids: if bid[1] == bid_id and int(bid[5]) == 1: return raise ValueError('wait_for_bid timed out.') def wait_for_in_progress(self, swap_client, bid_id, sent=False): logging.info('wait_for_in_progress %s', bid_id.hex()) for i in range(20): time.sleep(1) swaps = swap_client.listSwapsInProgress() for b in swaps: if b[0] == bid_id: return raise ValueError('wait_for_in_progress timed out.') def wait_for_bid_state(self, swap_client, bid_id, state, sent=False, seconds_for=30): logging.info('wait_for_bid_state %s %s', bid_id.hex(), str(state)) for i in range(seconds_for): time.sleep(1) bid = swap_client.getBid(bid_id) if bid.state >= state: return raise ValueError('wait_for_bid_state timed out.') def wait_for_bid_tx_state(self, swap_client, bid_id, initiate_state, participate_state, seconds_for=30): logging.info('wait_for_bid_tx_state %s %s %s', bid_id.hex(), str(initiate_state), str(participate_state)) for i in range(seconds_for): time.sleep(1) bid = swap_client.getBid(bid_id) if (initiate_state is None or bid.getITxState() == initiate_state) \ and (participate_state is None or bid.getPTxState() == participate_state): return raise ValueError('wait_for_bid_tx_state timed out.') def test_01_verifyrawtransaction(self): txn = '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' prevout = { 'txid': 'bbbd7fb69bab3502ddb230ee918e00646a45ad4c31c7402fa3efa4bb4e5c6eeb', 'vout': 1, 'scriptPubKey': 'a9143d37191e8b864222d14952a14c85504677a0581d87', 'redeemScript': '6382012088a8201fe90717abb84b481c2a59112414ae56ec8acc72273642ca26cc7a5812fdc8f68876a914225fbfa4cb725b75e511810ac4d6f74069bdded26703520140b27576a914207eb66b2fd6ed9924d6217efc7fa7b38dfabe666888ac', 'amount': 1.0} ro = partRpc('verifyrawtransaction {} "{}"'.format(txn, dumpje([prevout, ]))) assert(ro['inputs_valid'] is False) assert(ro['validscripts'] == 1) prevout['amount'] = 100.0 ro = partRpc('verifyrawtransaction {} "{}"'.format(txn, dumpje([prevout, ]))) assert(ro['inputs_valid'] is True) assert(ro['validscripts'] == 1) txn = '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' prevout = { 'txid': '1e6f4af5d3fd8bcdb33876a4478488d11f797ab283d95fbb2e3f67286abae828', 'vout': 1, 'scriptPubKey': 'a914129aee070317bbbd57062288849e85cf57d15c2687', 'redeemScript': '6382012088a8201fe90717abb84b481c2a59112414ae56ec8acc72273642ca26cc7a5812fdc8f68876a914207eb66b2fd6ed9924d6217efc7fa7b38dfabe666703a90040b27576a914225fbfa4cb725b75e511810ac4d6f74069bdded26888ac', 'amount': 1.0} ro = partRpc('verifyrawtransaction {} "{}"'.format(txn, dumpje([prevout, ]))) assert(ro['inputs_valid'] is False) assert(ro['validscripts'] == 0) # Amount covered by signature prevout['amount'] = 90.0 ro = partRpc('verifyrawtransaction {} "{}"'.format(txn, dumpje([prevout, ]))) assert(ro['inputs_valid'] is True) assert(ro['validscripts'] == 1) def test_02_part_ltc(self): logging.info('---------- Test PART to LTC') swap_clients = self.swap_clients offer_id = swap_clients[0].postOffer(Coins.PART, Coins.LTC, 100 * COIN, 0.1 * COIN, 100 * COIN, SwapTypes.SELLER_FIRST) self.wait_for_offer(swap_clients[1], offer_id) offers = swap_clients[1].listOffers() assert(len(offers) == 1) for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[1].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[0], bid_id) swap_clients[0].acceptBid(bid_id) self.wait_for_in_progress(swap_clients[1], bid_id, sent=True) self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, seconds_for=60) self.wait_for_bid_state(swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, seconds_for=60) js_0 = json.loads(urlopen('http://localhost:1800/json').read()) js_1 = json.loads(urlopen('http://localhost:1801/json').read()) assert(js_0['num_swapping'] == 0 and js_0['num_watched_outputs'] == 0) assert(js_1['num_swapping'] == 0 and js_1['num_watched_outputs'] == 0) def test_03_ltc_part(self): logging.info('---------- Test LTC to PART') swap_clients = self.swap_clients offer_id = swap_clients[1].postOffer(Coins.LTC, Coins.PART, 10 * COIN, 9.0 * COIN, 10 * COIN, SwapTypes.SELLER_FIRST) self.wait_for_offer(swap_clients[0], offer_id) offers = swap_clients[0].listOffers() for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[0].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[1], bid_id) swap_clients[1].acceptBid(bid_id) self.wait_for_in_progress(swap_clients[0], bid_id, sent=True) self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, sent=True, seconds_for=60) self.wait_for_bid_state(swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, seconds_for=60) js_0 = json.loads(urlopen('http://localhost:1800/json').read()) js_1 = json.loads(urlopen('http://localhost:1801/json').read()) assert(js_0['num_swapping'] == 0 and js_0['num_watched_outputs'] == 0) assert(js_1['num_swapping'] == 0 and js_1['num_watched_outputs'] == 0) def test_04_ltc_btc(self): logging.info('---------- Test LTC to BTC') swap_clients = self.swap_clients offer_id = swap_clients[0].postOffer(Coins.LTC, Coins.BTC, 10 * COIN, 0.1 * COIN, 10 * COIN, SwapTypes.SELLER_FIRST) self.wait_for_offer(swap_clients[1], offer_id) offers = swap_clients[1].listOffers() for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[1].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[0], bid_id) swap_clients[0].acceptBid(bid_id) self.wait_for_in_progress(swap_clients[1], bid_id, sent=True) self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, seconds_for=60) self.wait_for_bid_state(swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, seconds_for=60) js_0bid = json.loads(urlopen('http://localhost:1800/json/bids/{}'.format(bid_id.hex())).read()) js_0 = json.loads(urlopen('http://localhost:1800/json').read()) js_1 = json.loads(urlopen('http://localhost:1801/json').read()) assert(js_0['num_swapping'] == 0 and js_0['num_watched_outputs'] == 0) assert(js_1['num_swapping'] == 0 and js_1['num_watched_outputs'] == 0) def test_05_refund(self): # Seller submits initiate txn, buyer doesn't respond logging.info('---------- Test refund, LTC to BTC') swap_clients = self.swap_clients offer_id = swap_clients[0].postOffer(Coins.LTC, Coins.BTC, 10 * COIN, 0.1 * COIN, 10 * COIN, SwapTypes.SELLER_FIRST, SEQUENCE_LOCK_BLOCKS, 10) self.wait_for_offer(swap_clients[1], offer_id) offers = swap_clients[1].listOffers() for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[1].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[0], bid_id) swap_clients[1].abandonBid(bid_id) swap_clients[0].acceptBid(bid_id) self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, seconds_for=60) self.wait_for_bid_state(swap_clients[1], bid_id, BidStates.BID_ABANDONED, sent=True, seconds_for=60) js_0 = json.loads(urlopen('http://localhost:1800/json').read()) js_1 = json.loads(urlopen('http://localhost:1801/json').read()) assert(js_0['num_swapping'] == 0 and js_0['num_watched_outputs'] == 0) assert(js_1['num_swapping'] == 0 and js_1['num_watched_outputs'] == 0) def test_06_self_bid(self): logging.info('---------- Test same client, BTC to LTC') swap_clients = self.swap_clients js_0_before = json.loads(urlopen('http://localhost:1800/json').read()) offer_id = swap_clients[0].postOffer(Coins.BTC, Coins.LTC, 10 * COIN, 10 * COIN, 10 * COIN, SwapTypes.SELLER_FIRST) self.wait_for_offer(swap_clients[0], offer_id) offers = swap_clients[0].listOffers() for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[0].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[0], bid_id) swap_clients[0].acceptBid(bid_id) self.wait_for_bid_tx_state(swap_clients[0], bid_id, TxStates.TX_REDEEMED, TxStates.TX_REDEEMED, seconds_for=60) self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, seconds_for=60) js_0 = json.loads(urlopen('http://localhost:1800/json').read()) assert(js_0['num_swapping'] == 0 and js_0['num_watched_outputs'] == 0) assert(js_0['num_recv_bids'] == js_0_before['num_recv_bids'] + 1 and js_0['num_sent_bids'] == js_0_before['num_sent_bids'] + 1) def test_07_error(self): logging.info('---------- Test error, BTC to LTC, set fee above bid value') swap_clients = self.swap_clients js_0_before = json.loads(urlopen('http://localhost:1800/json').read()) offer_id = swap_clients[0].postOffer(Coins.BTC, Coins.LTC, 0.001 * COIN, 1.0 * COIN, 0.001 * COIN, SwapTypes.SELLER_FIRST) self.wait_for_offer(swap_clients[0], offer_id) offers = swap_clients[0].listOffers() for offer in offers: if offer.offer_id == offer_id: bid_id = swap_clients[0].postBid(offer_id, offer.amount_from) self.wait_for_bid(swap_clients[0], bid_id) swap_clients[0].acceptBid(bid_id) swap_clients[0].coin_clients[Coins.BTC]['override_feerate'] = 10.0 swap_clients[0].coin_clients[Coins.LTC]['override_feerate'] = 10.0 self.wait_for_bid_state(swap_clients[0], bid_id, BidStates.BID_ERROR, seconds_for=60) def pass_99_delay(self): global stop_test logging.info('Delay') for i in range(60 * 10): if stop_test: break time.sleep(1) print('delay', i) if i % 2 == 0: offer_id = self.swap_clients[0].postOffer(Coins.BTC, Coins.LTC, 0.001 * (i + 1) * COIN, 1.0 * (i + 1) * COIN, 0.001 * (i + 1) * COIN, SwapTypes.SELLER_FIRST) else: offer_id = self.swap_clients[1].postOffer(Coins.LTC, Coins.BTC, 0.001 * (i + 1) * COIN, 1.0 * (i + 1) * COIN, 0.001 * COIN, SwapTypes.SELLER_FIRST) stop_test = True if __name__ == '__main__': unittest.main()