Host-customized fork of https://github.com/tecnovert/basicswap/
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2019-2021 tecnovert
# Distributed under the MIT software license, see the accompanying
# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
import hashlib
import secrets
import unittest
import basicswap.contrib.ed25519_fast as edf
import basicswap.ed25519_fast_util as edu
from coincurve.ed25519 import ed25519_get_pubkey
from coincurve.ecdsaotves import (
ecdsaotves_enc_sign,
ecdsaotves_enc_verify,
ecdsaotves_dec_sig,
ecdsaotves_rec_enc_key)
from coincurve.keys import (
PrivateKey)
from basicswap.ecc_util import i2b
from basicswap.interface_btc import BTCInterface
from basicswap.interface_xmr import XMRInterface
from basicswap.util import (
SerialiseNum,
DeserialiseNum,
make_int,
format_amount,
validate_amount)
from basicswap.types import (
SEQUENCE_LOCK_BLOCKS,
SEQUENCE_LOCK_TIME)
class Test(unittest.TestCase):
def test_serialise_num(self):
def test_case(v, nb=None):
b = SerialiseNum(v)
if nb is not None:
assert(len(b) == nb)
assert(v == DeserialiseNum(b))
test_case(0, 1)
test_case(1, 1)
test_case(16, 1)
test_case(-1, 2)
test_case(17, 2)
test_case(500)
test_case(-500)
test_case(4194642)
def test_sequence(self):
coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = BTCInterface(coin_settings, 'regtest')
time_val = 48 * 60 * 60
encoded = ci.getExpectedSequence(SEQUENCE_LOCK_TIME, time_val)
decoded = ci.decodeSequence(encoded)
assert(decoded >= time_val)
assert(decoded <= time_val + 512)
time_val = 24 * 60
encoded = ci.getExpectedSequence(SEQUENCE_LOCK_TIME, time_val)
decoded = ci.decodeSequence(encoded)
assert(decoded >= time_val)
assert(decoded <= time_val + 512)
blocks_val = 123
encoded = ci.getExpectedSequence(SEQUENCE_LOCK_BLOCKS, blocks_val)
decoded = ci.decodeSequence(encoded)
assert(decoded == blocks_val)
def test_make_int(self):
def test_case(vs, vf, expect_int):
i = make_int(vs)
assert(i == expect_int and isinstance(i, int))
i = make_int(vf)
assert(i == expect_int and isinstance(i, int))
vs_out = format_amount(i, 8)
# Strip
for i in range(7):
if vs_out[-1] == '0':
vs_out = vs_out[:-1]
if '.' in vs:
assert(vs_out == vs)
else:
assert(vs_out[:-2] == vs)
test_case('0', 0, 0)
test_case('1', 1, 100000000)
test_case('10', 10, 1000000000)
test_case('0.00899999', 0.00899999, 899999)
test_case('899999.0', 899999.0, 89999900000000)
test_case('899999.00899999', 899999.00899999, 89999900899999)
test_case('0.0', 0.0, 0)
test_case('1.0', 1.0, 100000000)
test_case('1.1', 1.1, 110000000)
test_case('1.2', 1.2, 120000000)
test_case('0.00899991', 0.00899991, 899991)
test_case('0.0089999', 0.0089999, 899990)
test_case('0.0089991', 0.0089991, 899910)
test_case('0.123', 0.123, 12300000)
test_case('123000.000123', 123000.000123, 12300000012300)
try:
make_int('0.123456789')
assert(False)
except Exception as e:
assert(str(e) == 'Mantissa too long')
validate_amount('0.12345678')
# floor
assert(make_int('0.123456789', r=-1) == 12345678)
# Round up
assert(make_int('0.123456789', r=1) == 12345679)
def test_make_int12(self):
def test_case(vs, vf, expect_int):
i = make_int(vs, 12)
assert(i == expect_int and isinstance(i, int))
i = make_int(vf, 12)
assert(i == expect_int and isinstance(i, int))
vs_out = format_amount(i, 12)
# Strip
for i in range(7):
if vs_out[-1] == '0':
vs_out = vs_out[:-1]
if '.' in vs:
assert(vs_out == vs)
else:
assert(vs_out[:-2] == vs)
test_case('0.123456789', 0.123456789, 123456789000)
test_case('0.123456789123', 0.123456789123, 123456789123)
try:
make_int('0.1234567891234', 12)
assert(False)
except Exception as e:
assert(str(e) == 'Mantissa too long')
validate_amount('0.123456789123', 12)
try:
validate_amount('0.1234567891234', 12)
assert(False)
except Exception as e:
assert('Too many decimal places' in str(e))
try:
validate_amount(0.1234567891234, 12)
assert(False)
except Exception as e:
assert('Too many decimal places' in str(e))
def test_ed25519(self):
privkey = edu.get_secret()
pubkey = edu.encodepoint(edf.scalarmult_B(privkey))
privkey_bytes = i2b(privkey)
pubkey_test = ed25519_get_pubkey(privkey_bytes)
assert(pubkey == pubkey_test)
def test_ecdsa_otves(self):
coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = BTCInterface(coin_settings, 'regtest')
vk_sign = i2b(ci.getNewSecretKey())
vk_encrypt = i2b(ci.getNewSecretKey())
pk_sign = ci.getPubkey(vk_sign)
pk_encrypt = ci.getPubkey(vk_encrypt)
sign_hash = secrets.token_bytes(32)
cipher_text = ecdsaotves_enc_sign(vk_sign, pk_encrypt, sign_hash)
assert(ecdsaotves_enc_verify(pk_sign, pk_encrypt, sign_hash, cipher_text))
sig = ecdsaotves_dec_sig(vk_encrypt, cipher_text)
assert(ci.verifySig(pk_sign, sign_hash, sig))
recovered_key = ecdsaotves_rec_enc_key(pk_encrypt, cipher_text, sig)
assert(vk_encrypt == recovered_key)
def test_sign(self):
coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = BTCInterface(coin_settings, 'regtest')
vk = i2b(ci.getNewSecretKey())
pk = ci.getPubkey(vk)
message = 'test signing message'
message_hash = hashlib.sha256(bytes(message, 'utf-8')).digest()
eck = PrivateKey(vk)
sig = eck.sign(message.encode('utf-8'))
ci.verifySig(pk, message_hash, sig)
def test_sign_compact(self):
coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = BTCInterface(coin_settings, 'regtest')
vk = i2b(ci.getNewSecretKey())
pk = ci.getPubkey(vk)
sig = ci.signCompact(vk, 'test signing message')
assert(len(sig) == 64)
ci.verifyCompact(pk, 'test signing message', sig)
def test_dleag(self):
coin_settings = {'rpcport': 0, 'walletrpcport': 0, 'walletrpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = XMRInterface(coin_settings, 'regtest')
key = i2b(ci.getNewSecretKey())
proof = ci.proveDLEAG(key)
assert(ci.verifyDLEAG(proof))
def test_rate(self):
scale_from = 8
scale_to = 12
amount_from = make_int(100, scale_from)
rate = make_int(0.1, scale_to)
amount_to = int((amount_from * rate) // (10 ** scale_from))
assert('100.00000000' == format_amount(amount_from, scale_from))
assert('10.000000000000' == format_amount(amount_to, scale_to))
rate_check = make_int((amount_to / amount_from), scale_from)
assert(rate == rate_check)
scale_from = 12
scale_to = 8
amount_from = make_int(1, scale_from)
rate = make_int(12, scale_to)
amount_to = int((amount_from * rate) // (10 ** scale_from))
assert('1.000000000000' == format_amount(amount_from, scale_from))
assert('12.00000000' == format_amount(amount_to, scale_to))
rate_check = make_int((amount_to / amount_from), scale_from)
assert(rate == rate_check)
scale_from = 8
scale_to = 8
amount_from = make_int(0.073, scale_from)
amount_to = make_int(10, scale_to)
rate = make_int(amount_to / amount_from, scale_to, r=1)
amount_to_recreate = int((amount_from * rate) // (10 ** scale_from))
assert('10.00000000' == format_amount(amount_to_recreate, scale_to))
scale_from = 8
scale_to = 12
amount_from = make_int(10.0, scale_from)
amount_to = make_int(0.06935, scale_to)
rate = make_int(amount_to / amount_from, scale_from, r=1)
amount_to_recreate = int((amount_from * rate) // (10 ** scale_from))
assert('0.069350000000' == format_amount(amount_to_recreate, scale_to))
scale_from = 12
scale_to = 8
amount_from = make_int(0.06935, scale_from)
amount_to = make_int(10.0, scale_to)
rate = make_int(amount_to / amount_from, scale_from, r=1)
amount_to_recreate = int((amount_from * rate) // (10 ** scale_from))
assert('10.00000000' == format_amount(amount_to_recreate, scale_to))
if __name__ == '__main__':
unittest.main()