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configuration.go
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configuration.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package etcdraft
import (
"fmt"
"io/ioutil"
"github.com/golang/protobuf/proto"
"github.com/hyperledger/fabric/protos/orderer"
)
// TypeKey is the string with which this consensus implementation is identified across Fabric.
const TypeKey = "etcdraft"
func init() {
orderer.ConsensusTypeMetadataMap[TypeKey] = ConsensusTypeMetadataFactory{}
}
// ConsensusTypeMetadataFactory allows this implementation's proto messages to register
// their type with the orderer's proto messages. This is needed for protolator to work.
type ConsensusTypeMetadataFactory struct{}
// NewMessage implements the Orderer.ConsensusTypeMetadataFactory interface.
func (dogf ConsensusTypeMetadataFactory) NewMessage() proto.Message {
return &ConfigMetadata{}
}
// Marshal serializes this implementation's proto messages. It is called by the encoder package
// during the creation of the Orderer ConfigGroup.
func Marshal(md *ConfigMetadata) ([]byte, error) {
copyMd := proto.Clone(md).(*ConfigMetadata)
for _, c := range copyMd.Consenters {
// Expect the user to set the config value for client/server certs to the
// path where they are persisted locally, then load these files to memory.
clientCert, err := ioutil.ReadFile(string(c.GetClientTlsCert()))
if err != nil {
return nil, fmt.Errorf("cannot load client cert for consenter %s:%d: %s", c.GetHost(), c.GetPort(), err)
}
c.ClientTlsCert = clientCert
serverCert, err := ioutil.ReadFile(string(c.GetServerTlsCert()))
if err != nil {
return nil, fmt.Errorf("cannot load server cert for consenter %s:%d: %s", c.GetHost(), c.GetPort(), err)
}
c.ServerTlsCert = serverCert
}
return proto.Marshal(copyMd)
}