19 lines
693 B
Python
19 lines
693 B
Python
from unittest import TestCase
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from da.kzg_rs.common import BLS_MODULUS, ROOTS_OF_UNITY
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from da.kzg_rs.poly import Polynomial
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from da.kzg_rs.rs import encode, decode
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class TestFFT(TestCase):
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def test_encode_decode(self):
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poly = Polynomial(list(range(10)), modulus=BLS_MODULUS)
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encoded = encode(poly, 2, ROOTS_OF_UNITY)
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# remove a few points, but enough so we can reconstruct
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for i in [1, 3, 7]:
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encoded[i] = None
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decoded = decode(encoded, ROOTS_OF_UNITY, len(poly))
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# self.assertEqual(poly, decoded)
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for i in range(len(poly)):
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self.assertEqual(poly.eval(ROOTS_OF_UNITY[i]), decoded.eval(ROOTS_OF_UNITY[i]))
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