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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 orderer
import (
"fmt"
"github.com/hyperledger/fabric/protos/common"
"github.com/hyperledger/fabric/protos/msp"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes/empty"
)
func init() {
common.ChannelGroupMap["Orderer"] = DynamicOrdererGroupFactory{}
}
type DynamicOrdererGroupFactory struct{}
func (dogf DynamicOrdererGroupFactory) DynamicConfigGroup(cg *common.ConfigGroup) proto.Message {
return &DynamicOrdererGroup{
ConfigGroup: cg,
}
}
type DynamicOrdererGroup struct {
*common.ConfigGroup
}
func (dcg *DynamicOrdererGroup) DynamicMapFieldProto(name string, key string, base proto.Message) (proto.Message, error) {
switch name {
case "groups":
cg, ok := base.(*common.ConfigGroup)
if !ok {
return nil, fmt.Errorf("ConfigGroup groups can only contain ConfigGroup messages")
}
return &DynamicOrdererOrgGroup{
ConfigGroup: cg,
}, nil
case "values":
cv, ok := base.(*common.ConfigValue)
if !ok {
return nil, fmt.Errorf("ConfigGroup values can only contain ConfigValue messages")
}
return &DynamicOrdererConfigValue{
ConfigValue: cv,
name: key,
}, nil
default:
return nil, fmt.Errorf("ConfigGroup does not have a dynamic field: %s", name)
}
}
type ConsensusTypeMetadataFactory interface {
NewMessage() proto.Message
}
// ConsensuTypeMetadataMap should have consensus implementations register their metadata message factories
var ConsensusTypeMetadataMap = map[string]ConsensusTypeMetadataFactory{}
func (ct *ConsensusType) VariablyOpaqueFields() []string {
return []string{"metadata"}
}
func (ct *ConsensusType) VariablyOpaqueFieldProto(name string) (proto.Message, error) {
if name != "metadata" {
return nil, fmt.Errorf("not a valid opaque field: %s", name)
}
ctmf, ok := ConsensusTypeMetadataMap[ct.Type]
if ok {
return ctmf.NewMessage(), nil
}
return &empty.Empty{}, nil
}
type DynamicOrdererOrgGroup struct {
*common.ConfigGroup
}
func (dcg *DynamicOrdererOrgGroup) DynamicMapFieldProto(name string, key string, base proto.Message) (proto.Message, error) {
switch name {
case "groups":
return nil, fmt.Errorf("the orderer orgs do not support sub-groups")
case "values":
cv, ok := base.(*common.ConfigValue)
if !ok {
return nil, fmt.Errorf("ConfigGroup values can only contain ConfigValue messages")
}
return &DynamicOrdererOrgConfigValue{
ConfigValue: cv,
name: key,
}, nil
default:
return nil, fmt.Errorf("not a dynamic orderer map field: %s", name)
}
}
type DynamicOrdererConfigValue struct {
*common.ConfigValue
name string
}
func (docv *DynamicOrdererConfigValue) VariablyOpaqueFieldProto(name string) (proto.Message, error) {
if name != docv.VariablyOpaqueFields()[0] {
return nil, fmt.Errorf("not a marshaled field: %s", name)
}
switch docv.name {
case "ConsensusType":
return &ConsensusType{}, nil
case "BatchSize":
return &BatchSize{}, nil
case "BatchTimeout":
return &BatchTimeout{}, nil
case "KafkaBrokers":
return &KafkaBrokers{}, nil
case "ChannelRestrictions":
return &ChannelRestrictions{}, nil
case "Capabilities":
return &common.Capabilities{}, nil
default:
return nil, fmt.Errorf("unknown Orderer ConfigValue name: %s", docv.name)
}
}
type DynamicOrdererOrgConfigValue struct {
*common.ConfigValue
name string
}
func (doocv *DynamicOrdererOrgConfigValue) VariablyOpaqueFieldProto(name string) (proto.Message, error) {
if name != doocv.VariablyOpaqueFields()[0] {
return nil, fmt.Errorf("not a marshaled field: %s", name)
}
switch doocv.name {
case "MSP":
return &msp.MSPConfig{}, nil
default:
return nil, fmt.Errorf("unknown Orderer Org ConfigValue name: %s", doocv.name)
}
}