74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
from unittest import TestCase
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from py_ecc.bls import G2ProofOfPossession as bls_pop
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from da.common import Column
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from da.encoder import DAEncoder
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from da.kzg_rs import kzg
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from da.kzg_rs.common import GLOBAL_PARAMETERS, ROOTS_OF_UNITY
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from da.test_encoder import TestEncoder
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from da.verifier import Attestation, DAVerifier, DABlob
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class TestVerifier(TestCase):
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def setUp(self):
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self.verifier = DAVerifier(1987, [bls_pop.SkToPk(1987)])
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def test_verify_column(self):
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column = Column(int.to_bytes(i, length=32) for i in range(8))
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_, column_commitment = kzg.bytes_to_commitment(column.as_bytes(), GLOBAL_PARAMETERS)
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aggregated_poly, aggregated_column_commitment = kzg.bytes_to_commitment(
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DAEncoder.hash_column_and_commitment(column, column_commitment), GLOBAL_PARAMETERS
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)
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aggregated_proof = kzg.generate_element_proof(0, aggregated_poly, GLOBAL_PARAMETERS, ROOTS_OF_UNITY)
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self.assertTrue(
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self.verifier._verify_column(
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column, column_commitment, aggregated_column_commitment, aggregated_proof, 0
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)
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)
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def test_verify(self):
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_ = TestEncoder()
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_.setUp()
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encoded_data = _.encoder.encode(_.data)
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verifiers_sk = [i for i in range(1000, 1000+len(encoded_data.chunked_data[0]))]
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vefiers_pk = [bls_pop.SkToPk(k) for k in verifiers_sk]
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for i, column in enumerate(encoded_data.chunked_data.columns):
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verifier = DAVerifier(verifiers_sk[i], vefiers_pk)
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da_blob = DABlob(
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Column(column),
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encoded_data.column_commitments[i],
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encoded_data.aggregated_column_commitment,
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encoded_data.aggregated_column_proofs[i],
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encoded_data.row_commitments,
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[row[i] for row in encoded_data.row_proofs],
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)
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self.assertIsNotNone(verifier.verify(da_blob))
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def test_verify_duplicated_blob(self):
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_ = TestEncoder()
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_.setUp()
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encoded_data = _.encoder.encode(_.data)
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columns = enumerate(encoded_data.chunked_data.columns)
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i, column = next(columns)
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da_blob = DABlob(
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Column(column),
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encoded_data.column_commitments[i],
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encoded_data.aggregated_column_commitment,
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encoded_data.aggregated_column_proofs[i],
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encoded_data.row_commitments,
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[row[i] for row in encoded_data.row_proofs],
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)
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self.assertIsNotNone(self.verifier.verify(da_blob))
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for i, column in columns:
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da_blob = DABlob(
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Column(column),
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encoded_data.column_commitments[i],
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encoded_data.aggregated_column_commitment,
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encoded_data.aggregated_column_proofs[i],
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encoded_data.row_commitments,
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[row[i] for row in encoded_data.row_proofs],
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)
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self.assertIsNone(self.verifier.verify(da_blob))
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