def _pack_proof(proof: TxProof) -> bytes:
raw = bitcoinx.pack_varint(1)
raw += bitcoinx.pack_varint(proof.position)
raw += bitcoinx.pack_varint(len(proof.branch))
for hash in proof.branch:
raw += bitcoinx.pack_varbytes(hash)
return raw
def test_constants():
assert CURVE_ORDER == \
115792089237316195423570985008687907852837564279074904382605163141518161494337
assert SIGNED_MESSAGE_PREFIX == pack_varbytes(
'Bitcoin Signed Message:\n'.encode())