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client: Hide offers where coins are not enabled.

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Better rate calculation.
This commit is contained in:
tecnovert
2021-02-15 23:49:18 +02:00
parent 5eb34a8c4b
commit 6516c6d138
3 changed files with 39 additions and 9 deletions
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40
tests/basicswap/test_other.py
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@@ -1,12 +1,12 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (c) 2019-2020 tecnovert
# 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 secrets
import hashlib
import secrets
import unittest
import basicswap.contrib.ed25519_fast as edf
@@ -216,28 +216,52 @@ class Test(unittest.TestCase):
def test_rate(self):
scale_from = 8
scale_to = 12
amount_from = 100 * (10 ** scale_from)
rate = 0.1 * (10 ** scale_to)
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 = int((amount_to / amount_from) * (10 ** scale_from))
rate_check = make_int((amount_to / amount_from), scale_from)
assert(rate == rate_check)
scale_from = 12
scale_to = 8
amount_from = 1 * (10 ** scale_from)
rate = 12 * (10 ** scale_to)
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 = int((amount_to / amount_from) * (10 ** scale_from))
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()