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Fix type error in the inputs to hash_to_bls_field()

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George Kadianakis 2022-11-03 18:08:37 +02:00
parent 86e15764ad
commit b2d72a18f0
1 changed files with 5 additions and 2 deletions
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specs/eip4844/polynomial-commitments.md
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@ -346,13 +346,16 @@ def compute_aggregated_poly_and_commitment(
Return (1) the aggregated polynomial, (2) the aggregated KZG commitment, Return (1) the aggregated polynomial, (2) the aggregated KZG commitment,
and (3) the polynomial evaluation random challenge. and (3) the polynomial evaluation random challenge.
""" """
# Convert blobs to polynomials
polynomials = [blob_to_polynomial(blob) for blob in blobs]
# Generate random linear combination challenges # Generate random linear combination challenges
r = hash_to_bls_field(blobs, kzg_commitments) r = hash_to_bls_field(polynomials, kzg_commitments)
r_powers = compute_powers(r, len(kzg_commitments)) r_powers = compute_powers(r, len(kzg_commitments))
evaluation_challenge = int(r_powers[-1]) * r % BLS_MODULUS evaluation_challenge = int(r_powers[-1]) * r % BLS_MODULUS
# Create aggregated polynomial in evaluation form # Create aggregated polynomial in evaluation form
aggregated_poly = Polynomial(poly_lincomb([blob_to_polynomial(blob) for blob in blobs], r_powers)) aggregated_poly = Polynomial(poly_lincomb(polynomials, r_powers))
# Compute commitment to aggregated polynomial # Compute commitment to aggregated polynomial
aggregated_poly_commitment = KZGCommitment(g1_lincomb(kzg_commitments, r_powers)) aggregated_poly_commitment = KZGCommitment(g1_lincomb(kzg_commitments, r_powers))