def __init__(self, processed_transaction):
bootstrap_util.EnvelopeExractor.__init__(
self, processed_transaction.transactionEnvelope)
self.processed_transaction = processed_transaction
self.tx = transaction_pb2.Transaction()
self.tx.ParseFromString(self.payload.data)
self.chaincode_action_payload = transaction_pb2.ChaincodeActionPayload(
)
self.chaincode_action_payload.ParseFromString(
self.tx.actions[0].payload)
# self.signature_header = common_dot_common_pb2.SignatureHeader()
# self.signature_header.ParseFromString(self.tx.actions[0].header)
self.chaincode_proposal_payload = proposal_pb2.ChaincodeProposalPayload(
)
self.chaincode_proposal_payload.ParseFromString(
self.chaincode_action_payload.chaincode_proposal_payload)
self.chaincode_invocation_spec = chaincode_pb2.ChaincodeInvocationSpec(
)
self.chaincode_invocation_spec.ParseFromString(
self.chaincode_proposal_payload.input)
def createInvokeProposalForBDD(ccSpec, chainID, signersCert, Mspid, type): "Returns a deployment proposal of chaincode type" lc_chaincode_invocation_spec = chaincode_pb2.ChaincodeInvocationSpec(chaincodeSpec = ccSpec) # Create ccHdrExt = chaincode_proposal_pb2.ChaincodeHeaderExtension(chaincodeID=ccSpec.chaincodeID) ccProposalPayload = chaincode_proposal_pb2.ChaincodeProposalPayload(Input=lc_chaincode_invocation_spec.SerializeToString()) bootstrapHelper = bootstrap_util.BootstrapHelper(chainId=chainID) chainHdr = bootstrapHelper.makeChainHeader(type=common_dot_common_pb2.HeaderType.Value(type), txID=bootstrap_util.GetUUID(), extension=ccHdrExt.SerializeToString()) serializedIdentity = identities_pb2.SerializedIdentity(Mspid=Mspid, IdBytes=crypto.dump_certificate(crypto.FILETYPE_PEM, signersCert)) sigHdr = bootstrapHelper.makeSignatureHeader(serializedIdentity.SerializeToString(), bootstrap_util.BootstrapHelper.getNonce()) header = common_dot_common_pb2.Header(chainHeader=chainHdr, signatureHeader=sigHdr) # make proposal proposal = proposal_pb2.Proposal(header=header.SerializeToString(), payload=ccProposalPayload.SerializeToString()) return proposal
def createInvokeProposalForBDD(context, ccSpec, chainID, signersCert, Mspid, type):
import binascii
"Returns a deployment proposal of chaincode type"
lc_chaincode_invocation_spec = chaincode_pb2.ChaincodeInvocationSpec(chaincode_spec = ccSpec)
# Create
ccHdrExt = proposal_pb2.ChaincodeHeaderExtension(chaincode_id=ccSpec.chaincode_id)
ccProposalPayload = proposal_pb2.ChaincodeProposalPayload(input=lc_chaincode_invocation_spec.SerializeToString())
serializedIdentity = identities_pb2.SerializedIdentity(mspid=Mspid, id_bytes=crypto.dump_certificate(crypto.FILETYPE_PEM, signersCert))
nonce = bootstrap_util.BootstrapHelper.getNonce()
sigHdr = bootstrap_util.make_signature_header(serializedIdentity.SerializeToString(), nonce)
# Calculate the transaction ID
tx_id = binascii.hexlify(bootstrap_util.computeCryptoHash(nonce + serializedIdentity.SerializeToString()))
chainHdr = bootstrap_util.make_chain_header(type=common_dot_common_pb2.HeaderType.Value(type), channel_id=chainID,
txID=tx_id,
extension=ccHdrExt.SerializeToString())
header = common_dot_common_pb2.Header(channel_header=chainHdr.SerializeToString(), signature_header=sigHdr.SerializeToString())
# make proposal
proposal = proposal_pb2.Proposal(header=header.SerializeToString(), payload=ccProposalPayload.SerializeToString())
return proposal
def createDeploymentProposalForBDD(ccDeploymentSpec):
"Returns a deployment proposal of chaincode type"
lc_chaincode_spec = chaincode_pb2.ChaincodeSpec(
type=chaincode_pb2.ChaincodeSpec.GOLANG,
chaincodeID=chaincode_pb2.ChaincodeID(name="lccc"),
ctorMsg=chaincode_pb2.ChaincodeInput(
args=['deploy', 'default',
ccDeploymentSpec.SerializeToString()]))
lc_chaincode_invocation_spec = chaincode_pb2.ChaincodeInvocationSpec(
chaincodeSpec=lc_chaincode_spec)
# make proposal
proposal = fabric_next_pb2.Proposal(
type=fabric_next_pb2.Proposal.CHAINCODE, id=createPropsalId())
proposal.payload = lc_chaincode_invocation_spec.SerializeToString()
return proposal
