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Merge pull request #3077 from asn-d6/type_fix_hash_to_bls_field 

Fix type error in the inputs to hash_to_bls_field()
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George Kadianakis 2022-11-03 18:47:17 +02:00 committed by GitHub
parent 86e15764ad b2d72a18f0
commit 26695a9fdb
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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,
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
r = hash_to_bls_field(blobs, kzg_commitments)
r = hash_to_bls_field(polynomials, kzg_commitments)
r_powers = compute_powers(r, len(kzg_commitments))
evaluation_challenge = int(r_powers[-1]) * r % BLS_MODULUS
# 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
aggregated_poly_commitment = KZGCommitment(g1_lincomb(kzg_commitments, r_powers))