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Add KZGProof at G1_POINT_AT_INFINITY test cases #3507

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merged 4 commits into from
Sep 19, 2023
Merged

Add KZGProof at G1_POINT_AT_INFINITY test cases #3507

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6041c9b
Add KZGProof at `G1_POINT_AT_INFINITY` case
hwwhww Sep 19, 2023
171ae02
Apply suggestions from code review
hwwhww Sep 19, 2023
256367b
Group the "incorrect_proof" test cases
hwwhww Sep 19, 2023
395bb71
Add `verify_kzg_proof_case_incorrect_proof_point_at_infinity`
hwwhww Sep 19, 2023
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46 changes: 45 additions & 1 deletion tests/generators/kzg_4844/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,22 @@ def case03_verify_kzg_proof():
'output': False
}

# Incorrect `G1_POINT_AT_INFINITY` proof
blob = BLOB_RANDOM_VALID1
_, y = spec.compute_kzg_proof(blob, z)
commitment = spec.blob_to_kzg_commitment(blob)
proof = spec.G1_POINT_AT_INFINITY
assert not spec.verify_kzg_proof(commitment, z, y, proof)
yield 'verify_kzg_proof_case_incorrect_proof_point_at_infinity', {
'input': {
'commitment': encode_hex(commitment),
'z': encode_hex(z),
'y': encode_hex(y),
'proof': encode_hex(proof),
},
'output': False
}

# Edge case: Invalid commitment
for commitment in INVALID_G1_POINTS:
blob, z = VALID_BLOBS[2], VALID_FIELD_ELEMENTS[1]
Expand Down Expand Up @@ -354,6 +370,20 @@ def case05_verify_blob_kzg_proof():
'output': False
}

# Incorrect `G1_POINT_AT_INFINITY` proof
blob = BLOB_RANDOM_VALID1
commitment = spec.blob_to_kzg_commitment(blob)
proof = spec.G1_POINT_AT_INFINITY
assert not spec.verify_blob_kzg_proof(blob, commitment, proof)
yield 'verify_blob_kzg_proof_case_incorrect_proof_point_at_infinity', {
'input': {
'blob': encode_hex(blob),
'commitment': encode_hex(commitment),
'proof': encode_hex(proof),
},
'output': False
}

# Edge case: Invalid blob
for blob in INVALID_BLOBS:
proof = G1
Expand Down Expand Up @@ -423,7 +453,7 @@ def case06_verify_blob_kzg_proof_batch():
# Incorrect proof
proofs_incorrect = [bls_add_one(proofs[0])] + proofs[1:]
assert not spec.verify_blob_kzg_proof_batch(VALID_BLOBS, commitments, proofs_incorrect)
yield 'verify_blob_kzg_proof_batch_case_invalid_proof', {
yield 'verify_blob_kzg_proof_batch_case_incorrect_proof_add_one', {
'input': {
'blobs': encode_hex_list(VALID_BLOBS),
'commitments': encode_hex_list(commitments),
Expand All @@ -432,6 +462,20 @@ def case06_verify_blob_kzg_proof_batch():
'output': False
}

# Incorrect `G1_POINT_AT_INFINITY` proof
blob = BLOB_RANDOM_VALID1
commitment = spec.blob_to_kzg_commitment(blob)
proof = spec.G1_POINT_AT_INFINITY
assert not spec.verify_blob_kzg_proof_batch([blob], [commitment], [proof])
yield 'verify_blob_kzg_proof_batch_case_incorrect_proof_point_at_infinity', {
'input': {
'blobs': encode_hex_list([blob]),
'commitments': encode_hex_list([commitment]),
'proofs': encode_hex_list([proof]),
},
'output': False
}

# Edge case: Invalid blobs
for blob in INVALID_BLOBS:
blobs_invalid = VALID_BLOBS[:4] + [blob] + VALID_BLOBS[5:]
Expand Down