def test_get_owner_public_key_returns_none_if_not_found(
valid_key_pair, other_key_pair):
doc_id = make_identifier(valid_key_pair.public_bytes)
doc = RegisterDocumentBuilder() \
.add_public_key_obj(RegisterPublicKey('#NotOwner', other_key_pair.public_base58, revoked=False)) \
.build(doc_id,
DIDType.TWIN,
proof='a proof, does not matter here',
revoked=False)
key = RegisterDocumentHelper.get_owner_register_public_key(doc)
assert not key
def validate_new_document_proof(doc: RegisterDocument):
"""
Validate register document proof.
:param doc: register document.
:raises:
IdentityInvalidDocumentError: if register document initial owner public key has been removed
IdentityInvalidDocumentError: if register document proof is invalid
"""
try:
key = RegisterDocumentHelper.get_owner_register_public_key(doc)
if not key:
raise IdentityInvalidDocumentError(
f'Invalid document \'{doc.did}\', no owner public key')
ProofValidation.validate_proof(
Proof(Issuer.build(doc.did, key.name), doc.did.encode('ascii'),
doc.proof), key.base58)
except IdentityInvalidProofError as err:
raise IdentityInvalidDocumentError(
f'Invalid document \'{doc.did}\' proof: {err}') from err