bbclib.libs.bbclib_reference module

Copyright (c) 2018 beyond-blockchain.org.

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

class bbclib.libs.bbclib_reference.BBcReference(asset_group_id, transaction, ref_transaction=None, event_index_in_ref=0, id_length=None)[source]

Bases: object

Reference part in a transaction

add_signature(user_id=None, signature=None)[source]

Add signature in the reserved space

Parameters:
  • user_id (bytes) – user_id of the signature owner
  • signature (BBcSignature) – signature
get_destinations()[source]

Return the list of approvers in the referred transaction

pack()[source]

Pack this object

Returns:packed binary data
Return type:bytes
prepare_reference(ref_transaction)[source]

Read the previous referencing transaction

unpack(data)[source]

unpack into this object

Parameters:data (bytes) – packed binary data
Returns:True if successful
Return type:bool