def createGenesisBlock(context, chainId, networkConfigPolicy, consensusType):
'Generates the genesis block for starting the oderers and for use in the chain config transaction by peers'
#assert not "bootstrapGenesisBlock" in context,"Genesis block already created:\n{0}".format(context.bootstrapGenesisBlock)
directory = getDirectory(context)
assert len(
directory.ordererAdminTuples) > 0, "No orderer admin tuples defined!!!"
bootstrapHelper = BootstrapHelper(chainId=chainId,
consensusType=consensusType)
configItems = []
configItems.append(bootstrapHelper.encodeBatchSize())
configItems.append(bootstrapHelper.encodeConsensusType())
configItems.append(bootstrapHelper.encodeChainCreators())
configItems.append(bootstrapHelper.encodeAcceptAllPolicy())
configItems.append(bootstrapHelper.lockDefaultModificationPolicy())
configEnvelope = common_dot_configuration_pb2.ConfigurationEnvelope(
Items=configItems)
payloadChainHeader = bootstrapHelper.makeChainHeader(
type=common_dot_common_pb2.HeaderType.Value(
"CONFIGURATION_TRANSACTION"))
#Now the SignatureHeader
serializedCreatorCertChain = None
nonce = None
payloadSignatureHeader = common_dot_common_pb2.SignatureHeader(
creator=serializedCreatorCertChain,
nonce=bootstrapHelper.getNonce(),
)
payloadHeader = common_dot_common_pb2.Header(
chainHeader=payloadChainHeader,
signatureHeader=payloadSignatureHeader,
)
payload = common_dot_common_pb2.Payload(
header=payloadHeader, data=configEnvelope.SerializeToString())
envelope = common_dot_common_pb2.Envelope(
payload=payload.SerializeToString(), signature=None)
blockData = common_dot_common_pb2.BlockData(
Data=[envelope.SerializeToString()])
block = common_dot_common_pb2.Block(
Header=common_dot_common_pb2.BlockHeader(
Number=0,
PreviousHash=None,
DataHash=bootstrapHelper.computeBlockDataHash(blockData),
),
Data=blockData,
Metadata=None,
)
# Add this back once crypto certs are required
for nodeAdminTuple in directory.ordererAdminTuples:
userCert = directory.ordererAdminTuples[nodeAdminTuple]
certAsPEM = crypto.dump_certificate(crypto.FILETYPE_PEM, userCert)
# print("UserCert for orderer genesis:\n{0}\n".format(certAsPEM))
# print("")
return block
def signInitialChainConfig(signedConfigItems, chainId,
chainCreationPolicyName):
bootstrapHelper = BootstrapHelper(chainId=chainId)
# Returns a list prepended with a signedConfiguration
signedConfigItems = bootstrapHelper.signInitialChainConfig(
signedConfigItems, chainCreationPolicyName)
return common_dot_configuration_pb2.ConfigurationEnvelope(
Items=signedConfigItems)
def createGenesisBlock(context, chainId, consensusType, signedConfigItems=[]):
'Generates the genesis block for starting the oderers and for use in the chain config transaction by peers'
#assert not "bootstrapGenesisBlock" in context,"Genesis block already created:\n{0}".format(context.bootstrapGenesisBlock)
directory = getDirectory(context)
assert len(
directory.ordererAdminTuples) > 0, "No orderer admin tuples defined!!!"
configItems = createSignedConfigItems(context,
chainId,
consensusType,
signedConfigItems=signedConfigItems)
bootstrapHelper = BootstrapHelper(chainId=chainId,
consensusType=consensusType)
configEnvelope = common_dot_configuration_pb2.ConfigurationEnvelope(
Items=configItems)
envelope = createConfigTxEnvelope(chainId, configEnvelope)
blockData = common_dot_common_pb2.BlockData(
Data=[envelope.SerializeToString()])
# Spoke with kostas, for orderer in general
signaturesMetadata = ""
lastConfigurationBlockMetadata = common_dot_common_pb2.Metadata(
value=common_dot_common_pb2.LastConfiguration(
index=0).SerializeToString()).SerializeToString()
ordererConfigMetadata = ""
transactionFilterMetadata = ""
block = common_dot_common_pb2.Block(
Header=common_dot_common_pb2.BlockHeader(
Number=0,
PreviousHash=None,
DataHash=bootstrapHelper.computeBlockDataHash(blockData),
),
Data=blockData,
Metadata=common_dot_common_pb2.BlockMetadata(Metadata=[
signaturesMetadata, lastConfigurationBlockMetadata,
transactionFilterMetadata, ordererConfigMetadata
]),
)
# Add this back once crypto certs are required
for nodeAdminTuple in directory.ordererAdminTuples:
userCert = directory.ordererAdminTuples[nodeAdminTuple]
certAsPEM = crypto.dump_certificate(crypto.FILETYPE_PEM, userCert)
# print("UserCert for orderer genesis:\n{0}\n".format(certAsPEM))
# print("")
return (block, envelope)