def _send_tx_proposal(channel_id,
tx_context,
peers,
cc_type=CC_TYPE_GOLANG):
request = tx_context.tx_prop_req
args = []
if request.fcn:
args.append(proto_b(request.fcn))
else:
args.append(proto_b(CC_INVOKE))
for arg in request.args:
if isinstance(arg, bytes):
args.append(arg)
else:
args.append(proto_b(arg))
cc_id = chaincode_pb2.ChaincodeID()
cc_id.name = request.cc_name
if request.prop_type not in (CC_QUERY, CC_INVOKE):
cc_id.version = request.cc_version
cc_input = chaincode_pb2.ChaincodeInput()
cc_input.args.extend(args)
cc_spec = chaincode_pb2.ChaincodeSpec()
cc_spec.type = chaincode_pb2.ChaincodeSpec.Type.Value(cc_type)
cc_spec.chaincode_id.CopyFrom(cc_id)
cc_spec.input.CopyFrom(cc_input)
extension = proposal_pb2.ChaincodeHeaderExtension()
extension.chaincode_id.name = request.cc_name
cc_invoke_spec = chaincode_pb2.ChaincodeInvocationSpec()
cc_invoke_spec.chaincode_spec.CopyFrom(cc_spec)
channel_header = build_channel_header(
common_pb2.ENDORSER_TRANSACTION,
tx_context.tx_id,
channel_id,
current_timestamp(),
tx_context.epoch,
extension=extension.SerializeToString())
header = build_header(tx_context.identity, channel_header,
tx_context.nonce)
# chaincode real proposal
proposal = build_cc_proposal(cc_invoke_spec, header,
request.transient_map)
signed_proposal = utils.sign_proposal(tx_context, proposal)
responses = [peer.send_proposal(signed_proposal) for peer in peers]
# chaincode proposal without transient map
# https://jira.hyperledger.org/browse/FAB-12536?focusedCommentId=52438&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-52438 # noqa
proposal = build_cc_proposal(cc_invoke_spec, header, None)
return responses, proposal, header
def create_cc_spec(chaincode_input, chaincode_id, type):
chaincode_spec = chaincode_pb2.ChaincodeSpec()
chaincode_spec.type = chaincode_pb2.ChaincodeSpec.Type.Value(type)
chaincode_spec.chaincode_id.CopyFrom(chaincode_id)
chaincode_spec.input.CopyFrom(chaincode_input)
return chaincode_spec
def _send_tx_proposal(channel_id, tx_context, peers):
request = tx_context.tx_prop_req
args = []
if request.fcn:
args.append(proto_b(request.fcn))
else:
args.append(proto_b(CC_INVOKE))
for arg in request.args:
if isinstance(arg, bytes):
args.append(arg)
else:
args.append(proto_b(arg))
cc_id = chaincode_pb2.ChaincodeID()
cc_id.name = request.cc_name
if request.prop_type != CC_QUERY:
cc_id.version = request.cc_version
cc_input = chaincode_pb2.ChaincodeInput()
cc_input.args.extend(args)
cc_spec = chaincode_pb2.ChaincodeSpec()
cc_spec.type = chaincode_pb2.ChaincodeSpec.Type.Value(CC_TYPE_GOLANG)
cc_spec.chaincode_id.CopyFrom(cc_id)
cc_spec.input.CopyFrom(cc_input)
extension = proposal_pb2.ChaincodeHeaderExtension()
extension.chaincode_id.name = request.cc_name
cc_invoke_spec = chaincode_pb2.ChaincodeInvocationSpec()
cc_invoke_spec.chaincode_spec.CopyFrom(cc_spec)
channel_header = build_channel_header(
common_pb2.ENDORSER_TRANSACTION,
tx_context.tx_id,
channel_id,
current_timestamp(),
tx_context.epoch,
extension=extension.SerializeToString())
header = build_header(tx_context.identity, channel_header,
tx_context.nonce)
proposal = build_cc_proposal(cc_invoke_spec, header,
request.transient_map)
signed_proposal = utils.sign_proposal(tx_context, proposal)
send_executions = [
peer.send_proposal(signed_proposal) for peer in peers
]
return rx.Observable.merge(send_executions).to_iterable() \
.map(lambda responses: (responses, proposal, header))
def create_chaincode_spec(block_bytes, chaincode_id_name, type):
chaincode_input = chaincode_pb2.ChaincodeInput()
chaincode_input.args.append(block_bytes)
chaincode_id = chaincode_pb2.ChaincodeID()
chaincode_id.name = chaincode_id_name
chaincode_spec = chaincode_pb2.ChaincodeSpec()
chaincode_spec.type = chaincode_pb2.ChaincodeSpec.Type.Value(type)
chaincode_spec.chaincode_id.CopyFrom(chaincode_id)
chaincode_spec.input.CopyFrom(chaincode_input)
return chaincode_spec.SerializeToString()
