def do_test_payment(self, wc1, wc2, amt=1.1):
wallet_structures = [self.wallet_structure] * 2
wallet_cls = (wc1, wc2)
self.wallet_services = []
self.wallet_services.append(make_wallets_to_list(make_wallets(
1, wallet_structures=[wallet_structures[0]],
mean_amt=self.mean_amt, wallet_cls=wallet_cls[0]))[0])
self.wallet_services.append(make_wallets_to_list(make_wallets(
1, wallet_structures=[wallet_structures[1]],
mean_amt=self.mean_amt, wallet_cls=wallet_cls[1]))[0])
jm_single().bc_interface.tickchain()
sync_wallets(self.wallet_services)
# For accounting purposes, record the balances
# at the start.
self.rsb = getbals(self.wallet_services[0], 0)
self.ssb = getbals(self.wallet_services[1], 0)
self.cj_amount = int(amt * 10**8)
def cbStopListening():
return self.port.stopListening()
b78rm = JMBIP78ReceiverManager(self.wallet_services[0], 0,
self.cj_amount, 47083)
resource = DummyBIP78ReceiverResource(jmprint, cbStopListening, b78rm)
self.site = Site(resource)
self.site.displayTracebacks = False
# NB The connectivity aspects of the onion-based BIP78 setup
# are time heavy. This server is TCP only.
self.port = reactor.listenTCP(47083, self.site)
self.addCleanup(cbStopListening)
# setup of spender
bip78_btc_amount = amount_to_btc(amount_to_sat(self.cj_amount))
bip78_uri = encode_bip21_uri(str(b78rm.receiving_address),
{"amount": bip78_btc_amount,
"pj": b"http://127.0.0.1:47083"},
safe=":/")
self.manager = parse_payjoin_setup(bip78_uri, self.wallet_services[1], 0)
self.manager.mode = "testing"
success, msg = make_payment_psbt(self.manager)
assert success, msg
params = make_payjoin_request_params(self.manager)
# avoiding backend daemon (testing only jmclient code here),
# we send the http request manually:
serv = b"http://127.0.0.1:47083"
agent = get_nontor_agent()
body = BytesProducer(self.manager.initial_psbt.to_base64().encode("utf-8"))
url_parts = list(wrapped_urlparse(serv))
url_parts[4] = urlencode(params).encode("utf-8")
destination_url = urlparse.urlunparse(url_parts)
d = agent.request(b"POST", destination_url,
Headers({"Content-Type": ["text/plain"]}),
bodyProducer=body)
d.addCallback(bip78_receiver_response, self.manager)
return d
def main():
parser = get_sendpayment_parser()
(options, args) = parser.parse_args()
load_program_config(config_path=options.datadir)
if options.schedule == '':
if ((len(args) < 2) or (btc.is_bip21_uri(args[1]) and len(args) != 2)
or (not btc.is_bip21_uri(args[1]) and len(args) != 3)):
parser.error(
"Joinmarket sendpayment (coinjoin) needs arguments:"
" wallet, amount, destination address or wallet, bitcoin_uri.")
sys.exit(EXIT_ARGERROR)
#without schedule file option, use the arguments to create a schedule
#of a single transaction
sweeping = False
bip78url = None
if options.schedule == '':
if btc.is_bip21_uri(args[1]):
parsed = btc.decode_bip21_uri(args[1])
try:
amount = parsed['amount']
except KeyError:
parser.error("Given BIP21 URI does not contain amount.")
sys.exit(EXIT_ARGERROR)
destaddr = parsed['address']
if "pj" in parsed:
# note that this is a URL; its validity
# checking is deferred to twisted.web.client.Agent
bip78url = parsed["pj"]
# setting makercount only for fee sanity check.
# note we ignore any user setting and enforce N=0,
# as this is a flag in the code for a non-JM coinjoin;
# for the fee sanity check, note that BIP78 currently
# will only allow small fee changes, so N=0 won't
# be very inaccurate.
jmprint("Attempting to pay via payjoin.", "info")
options.makercount = 0
else:
amount = btc.amount_to_sat(args[1])
if amount == 0:
sweeping = True
destaddr = args[2]
mixdepth = options.mixdepth
addr_valid, errormsg = validate_address(destaddr)
command_to_burn = (is_burn_destination(destaddr) and sweeping
and options.makercount == 0)
if not addr_valid and not command_to_burn:
jmprint('ERROR: Address invalid. ' + errormsg, "error")
if is_burn_destination(destaddr):
jmprint(
"The required options for burning coins are zero makers" +
" (-N 0), sweeping (amount = 0) and not using BIP78 Payjoin",
"info")
sys.exit(EXIT_ARGERROR)
if sweeping == False and amount < DUST_THRESHOLD:
jmprint(
'ERROR: Amount ' + btc.amount_to_str(amount) +
' is below dust threshold ' +
btc.amount_to_str(DUST_THRESHOLD) + '.', "error")
sys.exit(EXIT_ARGERROR)
if (options.makercount != 0
and options.makercount < jm_single().config.getint(
"POLICY", "minimum_makers")):
jmprint(
'ERROR: Maker count ' + str(options.makercount) +
' below minimum_makers (' +
str(jm_single().config.getint("POLICY", "minimum_makers")) +
') in joinmarket.cfg.', "error")
sys.exit(EXIT_ARGERROR)
schedule = [[
options.mixdepth, amount, options.makercount, destaddr, 0.0,
NO_ROUNDING, 0
]]
else:
if len(args) > 1:
parser.error("Schedule files are not compatible with "
"payment destination/amount arguments.")
sys.exit(EXIT_ARGERROR)
result, schedule = get_schedule(options.schedule)
if not result:
log.error(
"Failed to load schedule file, quitting. Check the syntax.")
log.error("Error was: " + str(schedule))
sys.exit(EXIT_FAILURE)
mixdepth = 0
for s in schedule:
if s[1] == 0:
sweeping = True
#only used for checking the maximum mixdepth required
mixdepth = max([mixdepth, s[0]])
wallet_name = args[0]
check_regtest()
if options.pickorders:
chooseOrdersFunc = pick_order
if sweeping:
jmprint('WARNING: You may have to pick offers multiple times',
"warning")
jmprint('WARNING: due to manual offer picking while sweeping',
"warning")
else:
chooseOrdersFunc = options.order_choose_fn
# If tx_fees are set manually by CLI argument, override joinmarket.cfg:
if int(options.txfee) > 0:
jm_single().config.set("POLICY", "tx_fees", str(options.txfee))
maxcjfee = (1, float('inf'))
if not options.pickorders and options.makercount != 0:
maxcjfee = get_max_cj_fee_values(jm_single().config, options)
log.info("Using maximum coinjoin fee limits per maker of {:.4%}, {} "
"".format(maxcjfee[0], btc.amount_to_str(maxcjfee[1])))
log.info('starting sendpayment')
max_mix_depth = max([mixdepth, options.amtmixdepths - 1])
wallet_path = get_wallet_path(wallet_name, None)
wallet = open_test_wallet_maybe(
wallet_path,
wallet_name,
max_mix_depth,
wallet_password_stdin=options.wallet_password_stdin,
gap_limit=options.gaplimit)
wallet_service = WalletService(wallet)
if wallet_service.rpc_error:
sys.exit(EXIT_FAILURE)
# in this script, we need the wallet synced before
# logic processing for some paths, so do it now:
while not wallet_service.synced:
wallet_service.sync_wallet(fast=not options.recoversync)
# the sync call here will now be a no-op:
wallet_service.startService()
# Dynamically estimate a realistic fee, for coinjoins.
# At this point we do not know even the number of our own inputs, so
# we guess conservatively with 2 inputs and 2 outputs each.
if options.makercount != 0:
fee_per_cp_guess = estimate_tx_fee(2,
2,
txtype=wallet_service.get_txtype())
log.debug("Estimated miner/tx fee for each cj participant: " +
btc.amount_to_str(fee_per_cp_guess))
# From the estimated tx fees, check if the expected amount is a
# significant value compared the the cj amount; currently enabled
# only for single join (the predominant, non-advanced case)
if options.schedule == '' and options.makercount != 0:
total_cj_amount = amount
if total_cj_amount == 0:
total_cj_amount = wallet_service.get_balance_by_mixdepth()[
options.mixdepth]
if total_cj_amount == 0:
raise ValueError(
"No confirmed coins in the selected mixdepth. Quitting")
exp_tx_fees_ratio = (
(1 + options.makercount) * fee_per_cp_guess) / total_cj_amount
if exp_tx_fees_ratio > 0.05:
jmprint(
'WARNING: Expected bitcoin network miner fees for this coinjoin'
' amount are roughly {:.1%}'.format(exp_tx_fees_ratio),
"warning")
if input('You might want to modify your tx_fee'
' settings in joinmarket.cfg. Still continue? (y/n):'
)[0] != 'y':
sys.exit('Aborted by user.')
else:
log.info(
"Estimated miner/tx fees for this coinjoin amount: {:.1%}".
format(exp_tx_fees_ratio))
if options.makercount == 0 and not bip78url:
tx = direct_send(wallet_service,
amount,
mixdepth,
destaddr,
options.answeryes,
with_final_psbt=options.with_psbt)
if options.with_psbt:
log.info(
"This PSBT is fully signed and can be sent externally for "
"broadcasting:")
log.info(tx.to_base64())
return
if wallet.get_txtype() == 'p2pkh':
jmprint(
"Only direct sends (use -N 0) are supported for "
"legacy (non-segwit) wallets.", "error")
sys.exit(EXIT_ARGERROR)
def filter_orders_callback(orders_fees, cjamount):
orders, total_cj_fee = orders_fees
log.info("Chose these orders: " + pprint.pformat(orders))
log.info('total cj fee = ' + str(total_cj_fee))
total_fee_pc = 1.0 * total_cj_fee / cjamount
log.info('total coinjoin fee = ' +
str(float('%.3g' % (100.0 * total_fee_pc))) + '%')
WARNING_THRESHOLD = 0.02 # 2%
if total_fee_pc > WARNING_THRESHOLD:
log.info('\n'.join(['=' * 60] * 3))
log.info('WARNING ' * 6)
log.info('\n'.join(['=' * 60] * 1))
log.info(
'OFFERED COINJOIN FEE IS UNUSUALLY HIGH. DOUBLE/TRIPLE CHECK.')
log.info('\n'.join(['=' * 60] * 1))
log.info('WARNING ' * 6)
log.info('\n'.join(['=' * 60] * 3))
if not options.answeryes:
if input('send with these orders? (y/n):')[0] != 'y':
return False
return True
def taker_finished(res, fromtx=False, waittime=0.0, txdetails=None):
if fromtx == "unconfirmed":
#If final entry, stop *here*, don't wait for confirmation
if taker.schedule_index + 1 == len(taker.schedule):
reactor.stop()
return
if fromtx:
if res:
txd, txid = txdetails
reactor.callLater(waittime * 60,
clientfactory.getClient().clientStart)
else:
#a transaction failed; we'll try to repeat without the
#troublemakers.
#If this error condition is reached from Phase 1 processing,
#and there are less than minimum_makers honest responses, we
#just give up (note that in tumbler we tweak and retry, but
#for sendpayment the user is "online" and so can manually
#try again).
#However if the error is in Phase 2 and we have minimum_makers
#or more responses, we do try to restart with the honest set, here.
if taker.latest_tx is None:
#can only happen with < minimum_makers; see above.
log.info("A transaction failed but there are insufficient "
"honest respondants to continue; giving up.")
reactor.stop()
return
#This is Phase 2; do we have enough to try again?
taker.add_honest_makers(
list(
set(taker.maker_utxo_data.keys()).symmetric_difference(
set(taker.nonrespondants))))
if len(taker.honest_makers) < jm_single().config.getint(
"POLICY", "minimum_makers"):
log.info("Too few makers responded honestly; "
"giving up this attempt.")
reactor.stop()
return
jmprint("We failed to complete the transaction. The following "
"makers responded honestly: " + str(taker.honest_makers) +\
", so we will retry with them.", "warning")
#Now we have to set the specific group we want to use, and hopefully
#they will respond again as they showed honesty last time.
#we must reset the number of counterparties, as well as fix who they
#are; this is because the number is used to e.g. calculate fees.
#cleanest way is to reset the number in the schedule before restart.
taker.schedule[taker.schedule_index][2] = len(
taker.honest_makers)
log.info("Retrying with: " +
str(taker.schedule[taker.schedule_index][2]) +
" counterparties.")
#rewind to try again (index is incremented in Taker.initialize())
taker.schedule_index -= 1
taker.set_honest_only(True)
reactor.callLater(5.0, clientfactory.getClient().clientStart)
else:
if not res:
log.info("Did not complete successfully, shutting down")
#Should usually be unreachable, unless conf received out of order;
#because we should stop on 'unconfirmed' for last (see above)
else:
log.info("All transactions completed correctly")
reactor.stop()
if bip78url:
# TODO sanity check wallet type is segwit
manager = parse_payjoin_setup(args[1], wallet_service,
options.mixdepth)
reactor.callWhenRunning(send_payjoin, manager)
reactor.run()
return
else:
taker = Taker(wallet_service,
schedule,
order_chooser=chooseOrdersFunc,
max_cj_fee=maxcjfee,
callbacks=(filter_orders_callback, None, taker_finished))
clientfactory = JMClientProtocolFactory(taker)
nodaemon = jm_single().config.getint("DAEMON", "no_daemon")
daemon = True if nodaemon == 1 else False
if jm_single().config.get("BLOCKCHAIN", "network") == "regtest":
startLogging(sys.stdout)
start_reactor(jm_single().config.get("DAEMON", "daemon_host"),
jm_single().config.getint("DAEMON", "daemon_port"),
clientfactory,
daemon=daemon)