def build_header(creator,
nonce,
tran_prop_type,
chain,
prop_type,
epoch=0,
chaincode_id=None):
"""Build a header for transaction proposal.
Args:
prop_type: prop type
creator: user
nonce: nonce
tran_prop_type: transaction proposal type
chain: chain instance
epoch: epoch
chaincode_id: chaincode id
Returns: common_proto.Header instance
"""
header = common_pb2.Header()
signature_header = common_pb2.SignatureHeader()
signature_header.creator = creator.serialize()
signature_header.nonce = nonce
header.signature_header = signature_header.SerializeToString()
channel_header = common_pb2.ChannelHeader()
channel_header.type = tran_prop_type
channel_header.version = 1
if prop_type != CC_INSTALL:
channel_header.channel_id = proto_str(chain.name)
channel_header.tx_id = proto_str(chain.generate_tx_id(nonce, creator))
channel_header.epoch = epoch
if chaincode_id:
header_ext = proposal_pb2.ChaincodeHeaderExtension()
header_ext.chaincode_id.name = proto_str(chaincode_id)
channel_header.extension = header_ext.SerializeToString()
header.channel_header = channel_header.SerializeToString()
return header
def build_header(creator, channel_header, nonce):
"""This function will build the common header.
:param creator: Serialized identity of the creator.
:type creator: protobuf SerializedIdentity
:param channel_header: ChannelHeader
:type channel_header: protobuf ChannelHeader
:param nonce: Nonce that has been used for the tx_id.
:type nonce: str
:return: Returns created protobuf common header.
:rtype: header
"""
signature_header = common_pb2.SignatureHeader()
signature_header.creator = creator
signature_header.nonce = nonce
header = common_pb2.Header()
header.signature_header = signature_header.SerializeToString()
header.channel_header = channel_header.SerializeToString()
return header
def build_header(creator, channel_header, nonce):
"""This function will build the common header.
Args:
creator (protobuf SerializedIdentity):
Serialized identity of the creator.
channel_header (protobuf ChannelHeader): ChannelHeader
nonce (str): Nonce that has been used for the tx_id.
Returns:
header: Returns created protobuf common header.
"""
signature_header = common_pb2.SignatureHeader()
signature_header.creator = creator
signature_header.nonce = nonce
header = common_pb2.Header()
header.signature_header = signature_header.SerializeToString()
header.channel_header = channel_header.SerializeToString()
return header