import ckzg import random # Commit to a few random blobs BLOB_SIZE = 4096 MAX_BLOBS_PER_BLOCK = 16 blobs = [ # use zero final bytes to easily ensure the encodings are valid b''.join([b''.join([random.randbytes(31), bytes(1)]) for _ in range(BLOB_SIZE)]) for _ in range(3) ] ts = ckzg.load_trusted_setup("../../src/trusted_setup.txt") kzg_commitments = [ckzg.blob_to_kzg_commitment(blob, ts) for blob in blobs] # Compute proof for these blobs blobs_bytes = b''.join(blobs) proof = ckzg.compute_aggregate_kzg_proof(blobs_bytes, ts) # Verify proof assert ckzg.verify_aggregate_kzg_proof(blobs_bytes, kzg_commitments, proof, ts), 'verify failed' # Verification fails at wrong value other = b'x' if not blobs_bytes.startswith(b'x') else b'y' other_bytes = other + blobs_bytes[1:] assert not ckzg.verify_aggregate_kzg_proof(other_bytes, kzg_commitments, proof, ts), 'verify succeeded incorrectly' print('tests passed')