status-im/c-kzg-4844
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Remove python swig stuff

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Ramana Kumar 2022-10-04 07:40:51 +01:00
parent f3e7534662
commit a66f39f2a2
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2 changed files with 1 additions and 92 deletions
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8
min-bindings/python/Makefile
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@ -4,14 +4,8 @@ INCLUDE_PY = $(shell python -c 'import sysconfig; print(sysconfig.get_config_var
test: tests.py ckzg.so test: tests.py ckzg.so
python $< python $<
test_swig: tests_swig.py _ckzg_swig.so ecc_test: py_ecc_tests.py ckzg.so
python $< python $<
_ckzg_swig.so: c_kzg_4844_wrap.c ../../min-src/c_kzg_4844.o ../../lib/libblst.a
clang -O -Wall -shared -fPIC -Wl,-Bsymbolic -I${INCLUDE_PY} ${addprefix -I,${INCLUDE_DIRS}} -o $@ $^
ckzg.so: ckzg.c ../../min-src/c_kzg_4844.o ../../lib/libblst.a ckzg.so: ckzg.c ../../min-src/c_kzg_4844.o ../../lib/libblst.a
clang -O -Wall -shared -fPIC -Wl,-Bsymbolic -I${INCLUDE_PY} ${addprefix -I,${INCLUDE_DIRS}} -o $@ $^ clang -O -Wall -shared -fPIC -Wl,-Bsymbolic -I${INCLUDE_PY} ${addprefix -I,${INCLUDE_DIRS}} -o $@ $^
c_kzg_4844_wrap.c ckzg_swig.py: ../c_kzg_4844.swg
swig -DSWIGWORDSIZE64 -O -Wall -python -outcurrentdir $<

85
min-bindings/python/tests_swig.py
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@ -1,85 +0,0 @@
import atexit
import ckzg_swig as ckzg
import random
import ssz
# Simple test of compute_powers
x = 32930439
n = 11
p = 1
powers = ckzg.BLSFieldElements(n)
ckzg.compute_powers(powers.cast(), ckzg.blst_fr.from_int(x), n)
for i in range(n):
assert p == int(powers[i])
p *= x
p %= 2**256
# Load a trusted setup
ret, ts = ckzg.load_trusted_setup("../../src/trusted_setup.txt")
assert ret == 0
BLOB_SIZE = 4096
MAX_BLOBS_PER_BLOCK = 16
blobs_sedes = ssz.List(ssz.Vector(ssz.uint256, BLOB_SIZE), MAX_BLOBS_PER_BLOCK)
kzg_commitments_sedes = ssz.List(ssz.bytes48, MAX_BLOBS_PER_BLOCK)
# Commit to a few random blobs
blobs = [ckzg.BLSFieldElements(BLOB_SIZE) for _ in range(3)]
for i in range(len(blobs)):
for j in range(BLOB_SIZE):
blobs[i][j] = ckzg.blst_fr.from_int(random.randrange(0, 2**256))
kzg_commitments = [ckzg.blob_to_kzg_commitment(blob.cast(), ts) for blob in blobs]
# Compute polynomial commitments for these blobs
# We don't follow the spec exactly to get the hash, but it shouldn't matter since it's random data
blobs_as_ints = [[int(frs[i]) for i in range(BLOB_SIZE)] for frs in blobs]
kzg_commitments_as_bytes = []
for c in kzg_commitments:
a = ckzg.bytes(48)
ckzg.bytes_from_G1(a.cast(), c)
b = [a[i] for i in range(48)]
kzg_commitments_as_bytes.append(bytearray(b))
encoded_blobs = ssz.encode(blobs_as_ints, blobs_sedes)
encoded_commitments = ssz.encode(kzg_commitments_as_bytes, kzg_commitments_sedes)
hashed = ssz.hash.hashlib.sha256(encoded_blobs + encoded_commitments).digest()
h = ckzg.bytes.frompybytes(hashed)
r = ckzg.bytes_to_bls_field(h.cast())
r_powers = ckzg.BLSFieldElements(len(blobs))
ckzg.compute_powers(r_powers.cast(), r, len(blobs))
vectors = ckzg.BLSFieldVectors(len(blobs))
for i, v in enumerate(blobs):
vectors[i] = v.cast()
ret, pptr = ckzg.alloc_polynomial(len(blobs))
assert ret == 0
aggregated_poly = ckzg.PolynomialEvalFormPtr_frompointer(pptr).value()
# ckzg.vector_lincomb(
# aggregated_poly.values,
# vectors.cast(),
# r_powers.cast(),
# len(blobs),
# BLOB_SIZE)
#aggregated_poly_commitment =
#ckzg.g1_lincomb(kzg_commitments
#KZGCommitment(g1_lincomb(kzg_commitments, r_powers))
print('Tests passed')
def cleanup():
ckzg.free_polynomial(pptr)
ckzg.free_trusted_setup(ts)
atexit.register(cleanup)