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462 lines
21 KiB
462 lines
21 KiB
#!/usr/bin/env python |
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from __future__ import print_function |
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from commontest import DummyBlockchainInterface |
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import jmbitcoin as bitcoin |
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import binascii |
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import os |
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import copy |
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import shutil |
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import pytest |
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import json |
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from base64 import b64encode |
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from jmclient import (load_program_config, jm_single, set_commitment_file, |
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get_commitment_file, AbstractWallet, Taker, |
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get_p2sh_vbyte) |
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from taker_test_data import (t_utxos_by_mixdepth, t_selected_utxos, t_orderbook, |
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t_maker_response, t_chosen_orders, t_dummy_ext) |
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|
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class DummyWallet(AbstractWallet): |
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|
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def __init__(self): |
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super(DummyWallet, self).__init__() |
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self.max_mix_depth = 5 |
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self.inject_addr_get_failure = False |
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|
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def get_utxos_by_mixdepth(self, verbose=True): |
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return t_utxos_by_mixdepth |
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|
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def select_utxos(self, mixdepth, amount): |
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if amount > self.get_balance_by_mixdepth()[mixdepth]: |
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raise Exception("Not enough funds") |
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return self.get_utxos_by_mixdepth()[mixdepth] |
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|
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def get_internal_addr(self, mixing_depth): |
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if self.inject_addr_get_failure: |
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raise Exception("address get failure") |
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return "mxeLuX8PP7qLkcM8uarHmdZyvP1b5e1Ynf" |
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|
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def sign_tx(self, tx, addrs): |
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print("Pretending to sign on addresses: " + str(addrs)) |
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return tx |
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def sign(self, tx, i, priv, amount): |
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"""Sign a transaction; the amount field |
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triggers the segwit style signing. |
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""" |
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print("About to sign for this amount: " + str(amount)) |
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return tx |
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|
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def get_txtype(self): |
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"""Return string defining wallet type |
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for purposes of transaction size estimates |
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""" |
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return 'p2sh-p2wpkh' |
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|
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def get_vbyte(self): |
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return get_p2sh_vbyte() |
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|
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def get_key_from_addr(self, addr): |
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"""usable addresses: privkey all 1s, 2s, 3s, ... :""" |
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privs = [x*32 + "\x01" for x in [chr(y) for y in range(1,6)]] |
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addrs = {} |
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""" |
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mrcNu71ztWjAQA6ww9kHiW3zBWSQidHXTQ |
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n31WD8pkfAjg2APV78GnbDTdZb1QonBi5D |
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mmVEKH61BZbLbnVEmk9VmojreB4G4PmBPd |
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msxyyydNXTiBmt3SushXbH5Qh2ukBAThk3 |
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musGZczug3BAbqobmYherywCwL9REgNaNm |
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""" |
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for p in privs: |
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addrs[p] = bitcoin.privkey_to_address(p, False, magicbyte=0x6f) |
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for p, a in addrs.iteritems(): |
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if a == addr: |
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return binascii.hexlify(p) |
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raise ValueError("No such keypair") |
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|
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def dummy_order_chooser(): |
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return t_chosen_orders |
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|
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def taker_finished(res, fromtx=False, waittime=0, txdetails=None): |
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print("called taker finished callback") |
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|
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def dummy_filter_orderbook(orders_fees, cjamount): |
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print("calling dummy filter orderbook") |
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return True |
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|
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def get_taker(schedule=None, schedule_len=0, sign_method=None, on_finished=None, |
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filter_orders=None): |
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if not schedule: |
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#note, for taker.initalize() this will result in junk |
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schedule = [['a', 'b', 'c', 'd', 'e']]*schedule_len |
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print("Using schedule: " + str(schedule)) |
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on_finished_callback = on_finished if on_finished else taker_finished |
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filter_orders_callback = filter_orders if filter_orders else dummy_filter_orderbook |
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return Taker(DummyWallet(), schedule, |
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callbacks=[filter_orders_callback, None, on_finished_callback], |
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sign_method=sign_method) |
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|
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def test_filter_rejection(createcmtdata): |
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def filter_orders_reject(orders_feesl, cjamount): |
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print("calling filter orders rejection") |
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return False |
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taker = get_taker(filter_orders=filter_orders_reject) |
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taker.schedule = [[0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0]] |
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res = taker.initialize(t_orderbook) |
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assert not res[0] |
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taker = get_taker(filter_orders=filter_orders_reject) |
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taker.schedule = [[0, 0, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0]] |
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res = taker.initialize(t_orderbook) |
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assert not res[0] |
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|
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@pytest.mark.parametrize( |
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"failquery, external", |
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[ |
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(False, False), |
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(True, False), |
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(False, True), |
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]) |
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def test_make_commitment(createcmtdata, failquery, external): |
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def clean_up(): |
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jm_single().config.set("POLICY", "taker_utxo_age", old_taker_utxo_age) |
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jm_single().config.set("POLICY", "taker_utxo_amtpercent", old_taker_utxo_amtpercent) |
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set_commitment_file(old_commitment_file) |
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jm_single().bc_interface.setQUSFail(False) |
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os.remove('dummyext') |
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old_commitment_file = get_commitment_file() |
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with open('dummyext', 'wb') as f: |
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f.write(json.dumps(t_dummy_ext, indent=4)) |
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if external: |
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set_commitment_file('dummyext') |
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old_taker_utxo_age = jm_single().config.get("POLICY", "taker_utxo_age") |
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old_taker_utxo_amtpercent = jm_single().config.get("POLICY", "taker_utxo_amtpercent") |
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jm_single().config.set("POLICY", "taker_utxo_age", "5") |
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jm_single().config.set("POLICY", "taker_utxo_amtpercent", "20") |
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mixdepth = 0 |
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amount = 110000000 |
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taker = get_taker([(mixdepth, amount, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw")]) |
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taker.wallet.unspent = {'f34b635ed8891f16c4ec5b8236ae86164783903e8e8bb47fa9ef2ca31f3c2d7a:0': |
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{'address': u'n31WD8pkfAjg2APV78GnbDTdZb1QonBi5D', |
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'value': 10000000}, |
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'f780d6e5e381bff01a3519997bb4fcba002493103a198fde334fd264f9835d75:1': |
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{'address': u'mmVEKH61BZbLbnVEmk9VmojreB4G4PmBPd', |
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'value': 20000000}, |
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'fe574db96a4d43a99786b3ea653cda9e4388f377848f489332577e018380cff1:0': |
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{'address': u'msxyyydNXTiBmt3SushXbH5Qh2ukBAThk3', |
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'value': 500000000}, |
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'fd9711a2ef340750db21efb761f5f7d665d94b312332dc354e252c77e9c48349:0': |
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{'address': u'musGZczug3BAbqobmYherywCwL9REgNaNm', |
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'value': 500000000}} |
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taker.cjamount = amount |
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taker.input_utxos = {'f34b635ed8891f16c4ec5b8236ae86164783903e8e8bb47fa9ef2ca31f3c2d7a:0': |
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{'address': u'n31WD8pkfAjg2APV78GnbDTdZb1QonBi5D', |
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'value': 10000000}} |
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if failquery: |
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jm_single().bc_interface.setQUSFail(True) |
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taker.make_commitment() |
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clean_up() |
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|
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def test_not_found_maker_utxos(createcmtdata): |
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taker = get_taker([(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)]) |
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orderbook = copy.deepcopy(t_orderbook) |
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res = taker.initialize(orderbook) |
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taker.orderbook = copy.deepcopy(t_chosen_orders) #total_cjfee unaffected, all same |
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maker_response = copy.deepcopy(t_maker_response) |
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jm_single().bc_interface.setQUSFail(True) |
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res = taker.receive_utxos(maker_response) |
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assert not res[0] |
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assert res[1] == "Not enough counterparties responded to fill, giving up" |
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jm_single().bc_interface.setQUSFail(False) |
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|
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def test_auth_pub_not_found(createcmtdata): |
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taker = get_taker([(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)]) |
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orderbook = copy.deepcopy(t_orderbook) |
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res = taker.initialize(orderbook) |
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taker.orderbook = copy.deepcopy(t_chosen_orders) #total_cjfee unaffected, all same |
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maker_response = copy.deepcopy(t_maker_response) |
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utxos = ["03243f4a659e278a1333f8308f6aaf32db4692ee7df0340202750fd6c09150f6:1", |
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"498faa8b22534f3b443c6b0ce202f31e12f21668b4f0c7a005146808f250d4c3:0", |
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"3f3ea820d706e08ad8dc1d2c392c98facb1b067ae4c671043ae9461057bd2a3c:1"] |
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fake_query_results = [{'value': 200000000, |
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'address': "blah", |
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'utxo': utxos[i], |
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'confirms': 20} for i in range(3)] |
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jm_single().bc_interface.insert_fake_query_results(fake_query_results) |
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res = taker.receive_utxos(maker_response) |
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assert not res[0] |
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assert res[1] == "Not enough counterparties responded to fill, giving up" |
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jm_single().bc_interface.insert_fake_query_results(None) |
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@pytest.mark.parametrize( |
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"schedule, highfee, toomuchcoins, minmakers, notauthed, ignored, nocommit", |
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[ |
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([(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw")], False, False, |
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2, False, None, None), |
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([(0, 0, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, None, None), #sweep |
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([(0, 0.2, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, None, None), #tumble style non-int amounts |
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#edge case triggers that don't fail |
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([(0, 0, 4, "mxeLuX8PP7qLkcM8uarHmdZyvP1b5e1Ynf", 0)], False, False, |
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2, False, None, None), #sweep rounding error case |
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([(0, 199850001, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, None, None), #trigger sub dust change for taker |
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#edge case triggers that do fail |
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([(0, 199850000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, None, None), #trigger negative change |
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([(0, 199599800, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, None, None), #trigger sub dust change for maker |
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([(0, 20000000, 3, "INTERNAL", 0)], True, False, |
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2, False, None, None), #test high fee |
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([(0, 20000000, 3, "INTERNAL", 0)], False, False, |
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7, False, None, None), #test not enough cp |
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([(0, 80000000, 3, "INTERNAL", 0)], False, False, |
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2, False, None, "30000"), #test failed commit |
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([(0, 20000000, 3, "INTERNAL", 0)], False, False, |
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2, True, None, None), #test unauthed response |
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([(0, 5000000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, True, |
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2, False, None, None), #test too much coins |
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([(0, 0, 5, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)], False, False, |
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2, False, ["J659UPUSLLjHJpaB", "J65z23xdjxJjC7er", 0], None), #test inadequate for sweep |
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]) |
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def test_taker_init(createcmtdata, schedule, highfee, toomuchcoins, minmakers, |
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notauthed, ignored, nocommit): |
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#these tests do not trigger utxo_retries |
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oldtakerutxoretries = jm_single().config.get("POLICY", "taker_utxo_retries") |
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oldtakerutxoamtpercent = jm_single().config.get("POLICY", "taker_utxo_amtpercent") |
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jm_single().config.set("POLICY", "taker_utxo_retries", "20") |
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def clean_up(): |
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jm_single().config.set("POLICY", "minimum_makers", oldminmakers) |
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jm_single().config.set("POLICY", "taker_utxo_retries", oldtakerutxoretries) |
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jm_single().config.set("POLICY", "taker_utxo_amtpercent", oldtakerutxoamtpercent) |
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oldminmakers = jm_single().config.get("POLICY", "minimum_makers") |
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jm_single().config.set("POLICY", "minimum_makers", str(minmakers)) |
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taker = get_taker(schedule) |
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orderbook = copy.deepcopy(t_orderbook) |
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if highfee: |
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for o in orderbook: |
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#trigger high-fee warning; but reset in next step |
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o['cjfee'] = '1.0' |
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if ignored: |
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taker.ignored_makers = ignored |
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if nocommit: |
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jm_single().config.set("POLICY", "taker_utxo_amtpercent", nocommit) |
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if schedule[0][1] == 0.2: |
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#triggers calc-ing amount based on a fraction |
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jm_single().mincjamount = 50000000 #bigger than 40m = 0.2 * 200m |
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res = taker.initialize(orderbook) |
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assert res[0] |
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assert res[1] == jm_single().mincjamount |
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return clean_up() |
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res = taker.initialize(orderbook) |
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if toomuchcoins or ignored: |
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assert not res[0] |
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return clean_up() |
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if nocommit: |
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print(str(res)) |
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assert not res[0] |
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return clean_up() |
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taker.orderbook = copy.deepcopy(t_chosen_orders) #total_cjfee unaffected, all same |
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maker_response = copy.deepcopy(t_maker_response) |
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if notauthed: |
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#Doctor one of the maker response data fields |
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maker_response["J659UPUSLLjHJpaB"][1] = "xx" #the auth pub |
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if schedule[0][1] == 199850000: |
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#triggers negative change |
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#makers offer 3000 txfee; we estimate ~ 147*10 + 2*34 + 10=1548 bytes |
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#times 30k = 46440, so we pay 43440, plus maker fees = 3*0.0002*200000000 |
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#roughly, gives required selected = amt + 163k, hence the above = |
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#2btc - 150k sats = 199850000 (tweaked because of aggressive coin selection) |
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#simulate the effect of a maker giving us a lot more utxos |
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taker.utxos["dummy_for_negative_change"] = ["a", "b", "c", "d", "e"] |
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with pytest.raises(ValueError) as e_info: |
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res = taker.receive_utxos(maker_response) |
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return clean_up() |
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if schedule[0][1] == 199850001: |
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#our own change is greater than zero but less than dust |
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#use the same edge case as for negative change, don't add dummy inputs |
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#(because we need tx creation to complete), but trigger case by |
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#bumping dust threshold |
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jm_single().BITCOIN_DUST_THRESHOLD = 10000 |
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res = taker.receive_utxos(maker_response) |
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#should have succeeded to build tx |
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assert res[0] |
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#change should be none |
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assert not taker.my_change_addr |
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return clean_up() |
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if schedule[0][1] == 199599800: |
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#need to force negative fees to make this feasible |
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for k, v in taker.orderbook.iteritems(): |
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v['cjfee'] = '-0.002' |
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# change_amount = (total_input - self.cjamount - |
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# self.orderbook[nick]['txfee'] + real_cjfee) |
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#suppose change amount is 1000 (sub dust), then solve for x; |
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#given that real_cjfee = -0.002*x |
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#change = 200000000 - x - 1000 - 0.002*x |
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#x*1.002 = 1999999000; x = 199599800 |
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res = taker.receive_utxos(maker_response) |
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assert not res[0] |
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assert res[1] == "Not enough counterparties responded to fill, giving up" |
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return clean_up() |
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if schedule[0][3] == "mxeLuX8PP7qLkcM8uarHmdZyvP1b5e1Ynf": |
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#to trigger rounding error for sweep (change non-zero), |
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#modify the total_input via the values in self.input_utxos; |
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#the amount to trigger a 2 satoshi change is found by trial-error. |
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#TODO note this test is not adequate, because the code is not; |
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#the code does not *DO* anything if a condition is unexpected. |
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taker.input_utxos = copy.deepcopy(t_utxos_by_mixdepth)[0] |
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for k,v in taker.input_utxos.iteritems(): |
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v["value"] = int(0.999805228 * v["value"]) |
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res = taker.receive_utxos(maker_response) |
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assert res[0] |
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return clean_up() |
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|
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res = taker.receive_utxos(maker_response) |
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if minmakers != 2: |
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assert not res[0] |
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assert res[1] == "Not enough counterparties responded to fill, giving up" |
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return clean_up() |
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|
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assert res[0] |
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#re-calling will trigger "finished" code, since schedule is "complete". |
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res = taker.initialize(orderbook) |
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assert not res[0] |
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|
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#some exception cases: no coinjoin address, no change address: |
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#donations not yet implemented: |
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taker.my_cj_addr = None |
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with pytest.raises(NotImplementedError) as e_info: |
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taker.prepare_my_bitcoin_data() |
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with pytest.raises(NotImplementedError) as e_info: |
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taker.sign_tx("a", "b", "c", "d") |
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with pytest.raises(NotImplementedError) as e_info: |
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a = taker.coinjoin_address() |
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taker.wallet.inject_addr_get_failure = True |
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taker.my_cj_addr = "dummy" |
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assert not taker.prepare_my_bitcoin_data() |
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#clean up |
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return clean_up() |
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|
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@pytest.mark.parametrize( |
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"schedule_len", |
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[ |
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(7), |
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]) |
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def test_unconfirm_confirm(schedule_len): |
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"""These functions are: do-nothing by default (unconfirm, for Taker), |
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and merely update schedule index for confirm (useful for schedules/tumbles). |
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This tests that the on_finished callback correctly reports the fromtx |
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variable as "False" once the schedule is complete. |
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""" |
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test_unconfirm_confirm.txflag = True |
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def finished_for_confirms(res, fromtx=False, waittime=0, txdetails=None): |
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assert res #confirmed should always send true |
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test_unconfirm_confirm.txflag = fromtx |
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|
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taker = get_taker(schedule_len=schedule_len, on_finished=finished_for_confirms) |
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taker.unconfirm_callback("a", "b") |
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for i in range(schedule_len-1): |
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taker.schedule_index += 1 |
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fromtx = taker.confirm_callback("a", "b", 1) |
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assert test_unconfirm_confirm.txflag |
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taker.schedule_index += 1 |
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fromtx = taker.confirm_callback("a", "b", 1) |
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assert not test_unconfirm_confirm.txflag |
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|
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@pytest.mark.parametrize( |
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"dummyaddr, signmethod, schedule", |
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[ |
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("mrcNu71ztWjAQA6ww9kHiW3zBWSQidHXTQ", None, |
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[(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)]), |
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("mrcNu71ztWjAQA6ww9kHiW3zBWSQidHXTQ", "wallet", |
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[(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw", 0)]), |
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]) |
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def test_on_sig(createcmtdata, dummyaddr, signmethod, schedule): |
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#plan: create a new transaction with known inputs and dummy outputs; |
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#then, create a signature with various inputs, pass in in b64 to on_sig. |
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#in order for it to verify, the DummyBlockchainInterface will have to |
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#return the right values in query_utxo_set |
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|
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#create 2 privkey + utxos that are to be ours |
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privs = [x*32 + "\x01" for x in [chr(y) for y in range(1,6)]] |
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utxos = [str(x)*64+":1" for x in range(5)] |
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fake_query_results = [{'value': 200000000, |
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'utxo': utxos[x], |
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'address': bitcoin.privkey_to_address(privs[x], False, magicbyte=0x6f), |
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'script': bitcoin.mk_pubkey_script( |
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bitcoin.privkey_to_address(privs[x], False, magicbyte=0x6f)), |
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'confirms': 20} for x in range(5)] |
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|
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dbci = DummyBlockchainInterface() |
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dbci.insert_fake_query_results(fake_query_results) |
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jm_single().bc_interface = dbci |
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#make a transaction with all the fake results above, and some outputs |
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outs = [{'value': 100000000, 'address': dummyaddr}, |
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{'value': 899990000, 'address': dummyaddr}] |
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tx = bitcoin.mktx(utxos, outs) |
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|
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de_tx = bitcoin.deserialize(tx) |
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#prepare the Taker with the right intermediate data |
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taker = get_taker(schedule=schedule, sign_method=signmethod) |
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taker.nonrespondants=["cp1", "cp2", "cp3"] |
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taker.latest_tx = de_tx |
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#my inputs are the first 2 utxos |
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taker.input_utxos = {utxos[0]: |
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{'address': bitcoin.privkey_to_address(privs[0], False, magicbyte=0x6f), |
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'value': 200000000}, |
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utxos[1]: |
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{'address': bitcoin.privkey_to_address(privs[1], False, magicbyte=0x6f), |
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'value': 200000000}} |
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taker.utxos = {None: utxos[:2], "cp1": [utxos[2]], "cp2": [utxos[3]], "cp3":[utxos[4]]} |
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for i in range(2): |
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# placeholders required for my inputs |
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taker.latest_tx['ins'][i]['script'] = 'deadbeef' |
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#to prepare for my signing, need to mark cjaddr: |
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taker.my_cj_addr = dummyaddr |
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#make signatures for the last 3 fake utxos, considered as "not ours": |
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tx3 = bitcoin.sign(tx, 2, privs[2]) |
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sig3 = b64encode(bitcoin.deserialize(tx3)['ins'][2]['script'].decode('hex')) |
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taker.on_sig("cp1", sig3) |
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tx4 = bitcoin.sign(tx, 3, privs[3]) |
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sig4 = b64encode(bitcoin.deserialize(tx4)['ins'][3]['script'].decode('hex')) |
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taker.on_sig("cp2", sig4) |
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tx5 = bitcoin.sign(tx, 4, privs[4]) |
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#Before completing with the final signature, which will trigger our own |
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#signing, try with an injected failure of query utxo set, which should |
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#prevent this signature being accepted. |
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dbci.setQUSFail(True) |
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sig5 = b64encode(bitcoin.deserialize(tx5)['ins'][4]['script'].decode('hex')) |
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taker.on_sig("cp3", sig5) |
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#allow it to succeed, and try again |
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dbci.setQUSFail(False) |
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#this should succeed and trigger the we-sign code |
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taker.on_sig("cp3", sig5) |
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|
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@pytest.mark.parametrize( |
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"schedule", |
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[ |
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([(0, 20000000, 3, "mnsquzxrHXpFsZeL42qwbKdCP2y1esN3qw")]), |
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]) |
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def test_auth_counterparty(schedule): |
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taker = get_taker(schedule=schedule) |
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first_maker_response = t_maker_response["J659UPUSLLjHJpaB"] |
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utxo, auth_pub, cjaddr, changeaddr, sig, maker_pub = first_maker_response |
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auth_pub_tweaked = auth_pub[:8] + auth_pub[6:8] + auth_pub[10:] |
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sig_tweaked = sig[:8] + sig[6:8] + sig[10:] |
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assert taker.auth_counterparty(sig, auth_pub, maker_pub) |
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assert not taker.auth_counterparty(sig, auth_pub_tweaked, maker_pub) |
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assert not taker.auth_counterparty(sig_tweaked, auth_pub, maker_pub) |
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|
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@pytest.fixture(scope="module") |
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def createcmtdata(request): |
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def cmtdatateardown(): |
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shutil.rmtree("cmtdata") |
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request.addfinalizer(cmtdatateardown) |
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if not os.path.exists("cmtdata"): |
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os.makedirs("cmtdata") |
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load_program_config() |
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jm_single().bc_interface = DummyBlockchainInterface() |
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jm_single().config.set("BLOCKCHAIN", "network", "testnet") |
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