def pack(self, signature_a=True, signature_b=True) -> bytes:
"""
Encode this block for transport.
:param signature_a: False to pack EMPTY_SIG in the location of signature A, true to pack the signature A field.
:param signature_b: False to pack EMPTY_SIG in the location of signature B, true to pack the signature B field.
:return: the database_blob the data was packed into.
"""
args = [self.sequence_number, self.public_key_a, self.public_key_b,
self.signature_a if signature_a else EMPTY_SIGNATURE,
self.signature_b if signature_b else EMPTY_SIGNATURE, self.amount, self.timestamp]
return default_serializer.pack_serializable(BandwidthTransactionPayload(*args, 0))
def test_version_response_payload(self):
"""
Check if the version response is correctly serialized.
"""
version = "v7.10.0"
platform = "linux"
version_response = VersionResponse(version, platform)
serialized = default_serializer.pack_serializable(version_response)
deserialized, _ = default_serializer.unpack_serializable(VersionResponse, serialized)
self.assertEqual(version_response.version, version)
self.assertEqual(version_response.platform, platform)
self.assertEqual(deserialized.version, version)
self.assertEqual(deserialized.platform, platform)
def __init__(self, metadata_type, reserved_flags, public_key, **kwargs):
super().__init__()
self.metadata_type = metadata_type
self.reserved_flags = reserved_flags
self.public_key = bytes(public_key)
self.signature = bytes(
kwargs["signature"]
) if "signature" in kwargs and kwargs["signature"] else None
# Special case: free-for-all entries are allowed to go with zero key and without sig check
if "unsigned" in kwargs and kwargs["unsigned"]:
self.public_key = NULL_KEY
self.signature = NULL_SIG
return
if "skip_key_check" in kwargs and kwargs["skip_key_check"]:
return
# This is integrity check for FFA payloads.
if self.public_key == NULL_KEY:
if self.signature == NULL_SIG:
return
raise InvalidSignatureException(
"Tried to create FFA payload with non-null signature")
serialized_data = default_serializer.pack_serializable(self)
if "key" in kwargs and kwargs["key"]:
key = kwargs["key"]
if self.public_key != key.pub().key_to_bin()[10:]:
raise KeysMismatchException(self.public_key,
key.pub().key_to_bin()[10:])
self.signature = default_eccrypto.create_signature(
key, serialized_data)
elif "signature" in kwargs:
# This check ensures that an entry with a wrong signature will not proliferate further
if not default_eccrypto.is_valid_signature(
default_eccrypto.key_from_public_bin(b"LibNaCLPK:" +
self.public_key),
serialized_data, self.signature):
raise InvalidSignatureException(
"Tried to create payload with wrong signature")
else:
raise InvalidSignatureException(
"Tried to create payload without signature")
def _serialized(self):
serialized_data = default_serializer.pack_serializable(self)
return serialized_data, self.signature
def serialize(self):
return default_serializer.pack_serializable(self)
def fix_pack_torrents_checked(self, value):
return b''.join(
default_serializer.pack_serializable(TorrentInfoFormat(*sublist))
for sublist in value)
