github.com/muhammedhassanm/blockchain@v0.0.0-20200120143007-697261defd4d/sawtooth-core-master/families/block_info/sawtooth_block_info/common.py (about)

     1  # Copyright 2017 Intel Corporation
     2  #
     3  # Licensed under the Apache License, Version 2.0 (the "License");
     4  # you may not use this file except in compliance with the License.
     5  # You may obtain a copy of the License at
     6  #
     7  #     http://www.apache.org/licenses/LICENSE-2.0
     8  #
     9  # Unless required by applicable law or agreed to in writing, software
    10  # distributed under the License is distributed on an "AS IS" BASIS,
    11  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  # See the License for the specific language governing permissions and
    13  # limitations under the License.
    14  # ------------------------------------------------------------------------------
    15  
    16  FAMILY_NAME = 'block_info'
    17  FAMILY_VERSION = '1.0'
    18  NAMESPACE = '00b10c'
    19  BLOCK_INFO_NAMESPACE = NAMESPACE + '00'
    20  CONFIG_ADDRESS = NAMESPACE + '01' + '0' * 62
    21  DEFAULT_SYNC_TOLERANCE = 60 * 5
    22  DEFAULT_TARGET_COUNT = 256
    23  
    24  
    25  def create_block_address(block_num):
    26      return BLOCK_INFO_NAMESPACE + hex(block_num)[2:].zfill(62)