cadcadconsolidate/abcurve_test.py

43 lines
2.0 KiB
Python

from abcurve import AugmentedBondingCurve
import unittest
class TestAugmentedBondingCurve(unittest.TestCase):
def test_get_token_supply(self):
# R = 1, S0 = 1, V0 = 1.0, kappa = 2 should give this data:
# [0 1 2 3 4 5 6 7 8 9] -> [0.0, 1.0, 1.4142135623730951, 1.7320508075688772, 2.0, 2.23606797749979, 2.449489742783178, 2.6457513110645907, 2.8284271247461903, 3.0]
abc = AugmentedBondingCurve(1, 1, kappa=2)
self.assertEqual(abc.get_token_supply(), 1)
abc.current_reserve = 2
self.assertEqual(abc.get_token_supply(), 1.4142135623730951)
def test_get_token_price(self):
# [0 1 2 3 4 5 6 7 8 9] -> [0.0, 0.02, 0.0282842712474619, 0.034641016151377546, 0.04, 0.044721359549995794, 0.04898979485566356, 0.052915026221291815, 0.0565685424949238, 0.06]
abc = AugmentedBondingCurve(1, 1, kappa=2)
self.assertEqual(abc.get_token_price(), 2.0)
abc.current_reserve = 2
self.assertEqual(abc.get_token_price(), 2.8284271247461903)
def test_deposit(self):
abc = AugmentedBondingCurve(1, 1, kappa=2)
old_current_reserve = abc.current_reserve
old_token_supply = abc.current_token_supply
# print(abc)
tokens, realized_price = abc.deposit(4)
# print("The current price is", realized_price, "and you will get", tokens, "million tokens")
self.assertEqual(abc.current_token_supply, old_token_supply + tokens)
self.assertEqual(abc.current_reserve, old_current_reserve + 4)
# print(abc)
def test_burn(self):
abc = AugmentedBondingCurve(1, 1, kappa=2)
dai_million_returned, realized_price = abc.burn(0.5)
self.assertEqual(dai_million_returned, 0.75)
self.assertEqual(realized_price, 1.5)
self.assertEqual(abc.current_reserve, 0.25)
self.assertEqual(abc.current_token_supply, 0.5)
self.assertLess(abc.current_reserve, abc.initial_reserve)
self.assertLess(abc.current_token_supply, abc.initial_token_supply)