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encoder.go
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encoder.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package encoder
import (
"github.com/golang/protobuf/proto"
cb "github.com/hyperledger/fabric-protos-go/common"
pb "github.com/hyperledger/fabric-protos-go/peer"
"github.com/hyperledger/fabric/common/cauthdsl"
"github.com/hyperledger/fabric/common/channelconfig"
"github.com/hyperledger/fabric/common/flogging"
"github.com/hyperledger/fabric/common/genesis"
"github.com/hyperledger/fabric/common/policies"
"github.com/hyperledger/fabric/common/util"
"github.com/hyperledger/fabric/internal/configtxgen/genesisconfig"
"github.com/hyperledger/fabric/internal/configtxlator/update"
"github.com/hyperledger/fabric/internal/pkg/identity"
"github.com/hyperledger/fabric/msp"
"github.com/hyperledger/fabric/protoutil"
"github.com/pkg/errors"
)
const (
ordererAdminsPolicyName = "/Channel/Orderer/Admins"
msgVersion = int32(0)
epoch = 0
)
var logger = flogging.MustGetLogger("common.tools.configtxgen.encoder")
const (
// ConsensusTypeSolo identifies the solo consensus implementation.
ConsensusTypeSolo = "solo"
// ConsensusTypeKafka identifies the Kafka-based consensus implementation.
ConsensusTypeKafka = "kafka"
// ConsensusTypeKafka identifies the Kafka-based consensus implementation.
ConsensusTypeEtcdRaft = "etcdraft"
// BlockValidationPolicyKey TODO
BlockValidationPolicyKey = "BlockValidation"
// OrdererAdminsPolicy is the absolute path to the orderer admins policy
OrdererAdminsPolicy = "/Channel/Orderer/Admins"
// SignaturePolicyType is the 'Type' string for signature policies
SignaturePolicyType = "Signature"
// ImplicitMetaPolicyType is the 'Type' string for implicit meta policies
ImplicitMetaPolicyType = "ImplicitMeta"
)
func addValue(cg *cb.ConfigGroup, value channelconfig.ConfigValue, modPolicy string) {
cg.Values[value.Key()] = &cb.ConfigValue{
Value: protoutil.MarshalOrPanic(value.Value()),
ModPolicy: modPolicy,
}
}
func addPolicy(cg *cb.ConfigGroup, policy policies.ConfigPolicy, modPolicy string) {
cg.Policies[policy.Key()] = &cb.ConfigPolicy{
Policy: policy.Value(),
ModPolicy: modPolicy,
}
}
func AddPolicies(cg *cb.ConfigGroup, policyMap map[string]*genesisconfig.Policy, modPolicy string) error {
switch {
case policyMap == nil:
return errors.Errorf("no policies defined")
case policyMap[channelconfig.AdminsPolicyKey] == nil:
return errors.Errorf("no Admins policy defined")
case policyMap[channelconfig.ReadersPolicyKey] == nil:
return errors.Errorf("no Readers policy defined")
case policyMap[channelconfig.WritersPolicyKey] == nil:
return errors.Errorf("no Writers policy defined")
}
for policyName, policy := range policyMap {
switch policy.Type {
case ImplicitMetaPolicyType:
imp, err := policies.ImplicitMetaFromString(policy.Rule)
if err != nil {
return errors.Wrapf(err, "invalid implicit meta policy rule '%s'", policy.Rule)
}
cg.Policies[policyName] = &cb.ConfigPolicy{
ModPolicy: modPolicy,
Policy: &cb.Policy{
Type: int32(cb.Policy_IMPLICIT_META),
Value: protoutil.MarshalOrPanic(imp),
},
}
case SignaturePolicyType:
sp, err := cauthdsl.FromString(policy.Rule)
if err != nil {
return errors.Wrapf(err, "invalid signature policy rule '%s'", policy.Rule)
}
cg.Policies[policyName] = &cb.ConfigPolicy{
ModPolicy: modPolicy,
Policy: &cb.Policy{
Type: int32(cb.Policy_SIGNATURE),
Value: protoutil.MarshalOrPanic(sp),
},
}
default:
return errors.Errorf("unknown policy type: %s", policy.Type)
}
}
return nil
}
// NewChannelGroup defines the root of the channel configuration. It defines basic operating principles like the hashing
// algorithm used for the blocks, as well as the location of the ordering service. It will recursively call into the
// NewOrdererGroup, NewConsortiumsGroup, and NewApplicationGroup depending on whether these sub-elements are set in the
// configuration. All mod_policy values are set to "Admins" for this group, with the exception of the OrdererAddresses
// value which is set to "/Channel/Orderer/Admins".
func NewChannelGroup(conf *genesisconfig.Profile) (*cb.ConfigGroup, error) {
channelGroup := protoutil.NewConfigGroup()
if err := AddPolicies(channelGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to channel group")
}
addValue(channelGroup, channelconfig.HashingAlgorithmValue(), channelconfig.AdminsPolicyKey)
addValue(channelGroup, channelconfig.BlockDataHashingStructureValue(), channelconfig.AdminsPolicyKey)
if conf.Orderer != nil && len(conf.Orderer.Addresses) > 0 {
addValue(channelGroup, channelconfig.OrdererAddressesValue(conf.Orderer.Addresses), ordererAdminsPolicyName)
}
if conf.Consortium != "" {
addValue(channelGroup, channelconfig.ConsortiumValue(conf.Consortium), channelconfig.AdminsPolicyKey)
}
if len(conf.Capabilities) > 0 {
addValue(channelGroup, channelconfig.CapabilitiesValue(conf.Capabilities), channelconfig.AdminsPolicyKey)
}
var err error
if conf.Orderer != nil {
channelGroup.Groups[channelconfig.OrdererGroupKey], err = NewOrdererGroup(conf.Orderer)
if err != nil {
return nil, errors.Wrap(err, "could not create orderer group")
}
}
if conf.Application != nil {
channelGroup.Groups[channelconfig.ApplicationGroupKey], err = NewApplicationGroup(conf.Application)
if err != nil {
return nil, errors.Wrap(err, "could not create application group")
}
}
if conf.Consortiums != nil {
channelGroup.Groups[channelconfig.ConsortiumsGroupKey], err = NewConsortiumsGroup(conf.Consortiums)
if err != nil {
return nil, errors.Wrap(err, "could not create consortiums group")
}
}
channelGroup.ModPolicy = channelconfig.AdminsPolicyKey
return channelGroup, nil
}
// NewOrdererGroup returns the orderer component of the channel configuration. It defines parameters of the ordering service
// about how large blocks should be, how frequently they should be emitted, etc. as well as the organizations of the ordering network.
// It sets the mod_policy of all elements to "Admins". This group is always present in any channel configuration.
func NewOrdererGroup(conf *genesisconfig.Orderer) (*cb.ConfigGroup, error) {
ordererGroup := protoutil.NewConfigGroup()
if err := AddPolicies(ordererGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to orderer group")
}
ordererGroup.Policies[BlockValidationPolicyKey] = &cb.ConfigPolicy{
Policy: policies.ImplicitMetaAnyPolicy(channelconfig.WritersPolicyKey).Value(),
ModPolicy: channelconfig.AdminsPolicyKey,
}
addValue(ordererGroup, channelconfig.BatchSizeValue(
conf.BatchSize.MaxMessageCount,
conf.BatchSize.AbsoluteMaxBytes,
conf.BatchSize.PreferredMaxBytes,
), channelconfig.AdminsPolicyKey)
addValue(ordererGroup, channelconfig.BatchTimeoutValue(conf.BatchTimeout.String()), channelconfig.AdminsPolicyKey)
addValue(ordererGroup, channelconfig.ChannelRestrictionsValue(conf.MaxChannels), channelconfig.AdminsPolicyKey)
if len(conf.Capabilities) > 0 {
addValue(ordererGroup, channelconfig.CapabilitiesValue(conf.Capabilities), channelconfig.AdminsPolicyKey)
}
var consensusMetadata []byte
var err error
switch conf.OrdererType {
case ConsensusTypeSolo:
case ConsensusTypeKafka:
addValue(ordererGroup, channelconfig.KafkaBrokersValue(conf.Kafka.Brokers), channelconfig.AdminsPolicyKey)
case ConsensusTypeEtcdRaft:
if consensusMetadata, err = channelconfig.MarshalEtcdRaftMetadata(conf.EtcdRaft); err != nil {
return nil, errors.Errorf("cannot marshal metadata for orderer type %s: %s", ConsensusTypeEtcdRaft, err)
}
default:
return nil, errors.Errorf("unknown orderer type: %s", conf.OrdererType)
}
addValue(ordererGroup, channelconfig.ConsensusTypeValue(conf.OrdererType, consensusMetadata), channelconfig.AdminsPolicyKey)
for _, org := range conf.Organizations {
var err error
ordererGroup.Groups[org.Name], err = NewOrdererOrgGroup(org)
if err != nil {
return nil, errors.Wrap(err, "failed to create orderer org")
}
}
ordererGroup.ModPolicy = channelconfig.AdminsPolicyKey
return ordererGroup, nil
}
// NewConsortiumsGroup returns an org component of the channel configuration. It defines the crypto material for the
// organization (its MSP). It sets the mod_policy of all elements to "Admins".
func NewConsortiumOrgGroup(conf *genesisconfig.Organization) (*cb.ConfigGroup, error) {
consortiumsOrgGroup := protoutil.NewConfigGroup()
consortiumsOrgGroup.ModPolicy = channelconfig.AdminsPolicyKey
if conf.SkipAsForeign {
return consortiumsOrgGroup, nil
}
mspConfig, err := msp.GetVerifyingMspConfig(conf.MSPDir, conf.ID, conf.MSPType)
if err != nil {
return nil, errors.Wrapf(err, "1 - Error loading MSP configuration for org: %s", conf.Name)
}
if err := AddPolicies(consortiumsOrgGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to consortiums org group '%s'", conf.Name)
}
addValue(consortiumsOrgGroup, channelconfig.MSPValue(mspConfig), channelconfig.AdminsPolicyKey)
return consortiumsOrgGroup, nil
}
// NewOrdererOrgGroup returns an orderer org component of the channel configuration. It defines the crypto material for the
// organization (its MSP). It sets the mod_policy of all elements to "Admins".
func NewOrdererOrgGroup(conf *genesisconfig.Organization) (*cb.ConfigGroup, error) {
ordererOrgGroup := protoutil.NewConfigGroup()
ordererOrgGroup.ModPolicy = channelconfig.AdminsPolicyKey
if conf.SkipAsForeign {
return ordererOrgGroup, nil
}
mspConfig, err := msp.GetVerifyingMspConfig(conf.MSPDir, conf.ID, conf.MSPType)
if err != nil {
return nil, errors.Wrapf(err, "1 - Error loading MSP configuration for org: %s", conf.Name)
}
if err := AddPolicies(ordererOrgGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to orderer org group '%s'", conf.Name)
}
addValue(ordererOrgGroup, channelconfig.MSPValue(mspConfig), channelconfig.AdminsPolicyKey)
if len(conf.OrdererEndpoints) > 0 {
addValue(ordererOrgGroup, channelconfig.EndpointsValue(conf.OrdererEndpoints), channelconfig.AdminsPolicyKey)
}
return ordererOrgGroup, nil
}
// NewApplicationGroup returns the application component of the channel configuration. It defines the organizations which are involved
// in application logic like chaincodes, and how these members may interact with the orderer. It sets the mod_policy of all elements to "Admins".
func NewApplicationGroup(conf *genesisconfig.Application) (*cb.ConfigGroup, error) {
applicationGroup := protoutil.NewConfigGroup()
if err := AddPolicies(applicationGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to application group")
}
if len(conf.ACLs) > 0 {
addValue(applicationGroup, channelconfig.ACLValues(conf.ACLs), channelconfig.AdminsPolicyKey)
}
if len(conf.Capabilities) > 0 {
addValue(applicationGroup, channelconfig.CapabilitiesValue(conf.Capabilities), channelconfig.AdminsPolicyKey)
}
for _, org := range conf.Organizations {
var err error
applicationGroup.Groups[org.Name], err = NewApplicationOrgGroup(org)
if err != nil {
return nil, errors.Wrap(err, "failed to create application org")
}
}
applicationGroup.ModPolicy = channelconfig.AdminsPolicyKey
return applicationGroup, nil
}
// NewApplicationOrgGroup returns an application org component of the channel configuration. It defines the crypto material for the organization
// (its MSP) as well as its anchor peers for use by the gossip network. It sets the mod_policy of all elements to "Admins".
func NewApplicationOrgGroup(conf *genesisconfig.Organization) (*cb.ConfigGroup, error) {
applicationOrgGroup := protoutil.NewConfigGroup()
applicationOrgGroup.ModPolicy = channelconfig.AdminsPolicyKey
if conf.SkipAsForeign {
return applicationOrgGroup, nil
}
mspConfig, err := msp.GetVerifyingMspConfig(conf.MSPDir, conf.ID, conf.MSPType)
if err != nil {
return nil, errors.Wrapf(err, "1 - Error loading MSP configuration for org %s", conf.Name)
}
if err := AddPolicies(applicationOrgGroup, conf.Policies, channelconfig.AdminsPolicyKey); err != nil {
return nil, errors.Wrapf(err, "error adding policies to application org group %s", conf.Name)
}
addValue(applicationOrgGroup, channelconfig.MSPValue(mspConfig), channelconfig.AdminsPolicyKey)
var anchorProtos []*pb.AnchorPeer
for _, anchorPeer := range conf.AnchorPeers {
anchorProtos = append(anchorProtos, &pb.AnchorPeer{
Host: anchorPeer.Host,
Port: int32(anchorPeer.Port),
})
}
// Avoid adding an unnecessary anchor peers element when one is not required. This helps
// prevent a delta from the orderer system channel when computing more complex channel
// creation transactions
if len(anchorProtos) > 0 {
addValue(applicationOrgGroup, channelconfig.AnchorPeersValue(anchorProtos), channelconfig.AdminsPolicyKey)
}
return applicationOrgGroup, nil
}
// NewConsortiumsGroup returns the consortiums component of the channel configuration. This element is only defined for the ordering system channel.
// It sets the mod_policy for all elements to "/Channel/Orderer/Admins".
func NewConsortiumsGroup(conf map[string]*genesisconfig.Consortium) (*cb.ConfigGroup, error) {
consortiumsGroup := protoutil.NewConfigGroup()
// This policy is not referenced anywhere, it is only used as part of the implicit meta policy rule at the channel level, so this setting
// effectively degrades control of the ordering system channel to the ordering admins
addPolicy(consortiumsGroup, policies.SignaturePolicy(channelconfig.AdminsPolicyKey, cauthdsl.AcceptAllPolicy), ordererAdminsPolicyName)
for consortiumName, consortium := range conf {
var err error
consortiumsGroup.Groups[consortiumName], err = NewConsortiumGroup(consortium)
if err != nil {
return nil, errors.Wrapf(err, "failed to create consortium %s", consortiumName)
}
}
consortiumsGroup.ModPolicy = ordererAdminsPolicyName
return consortiumsGroup, nil
}
// NewConsortiums returns a consortiums component of the channel configuration. Each consortium defines the organizations which may be involved in channel
// creation, as well as the channel creation policy the orderer checks at channel creation time to authorize the action. It sets the mod_policy of all
// elements to "/Channel/Orderer/Admins".
func NewConsortiumGroup(conf *genesisconfig.Consortium) (*cb.ConfigGroup, error) {
consortiumGroup := protoutil.NewConfigGroup()
for _, org := range conf.Organizations {
var err error
consortiumGroup.Groups[org.Name], err = NewConsortiumOrgGroup(org)
if err != nil {
return nil, errors.Wrap(err, "failed to create consortium org")
}
}
addValue(consortiumGroup, channelconfig.ChannelCreationPolicyValue(policies.ImplicitMetaAnyPolicy(channelconfig.AdminsPolicyKey).Value()), ordererAdminsPolicyName)
consortiumGroup.ModPolicy = ordererAdminsPolicyName
return consortiumGroup, nil
}
// NewChannelCreateConfigUpdate generates a ConfigUpdate which can be sent to the orderer to create a new channel. Optionally, the channel group of the
// ordering system channel may be passed in, and the resulting ConfigUpdate will extract the appropriate versions from this file.
func NewChannelCreateConfigUpdate(channelID string, conf *genesisconfig.Profile, templateConfig *cb.ConfigGroup) (*cb.ConfigUpdate, error) {
if conf.Application == nil {
return nil, errors.New("cannot define a new channel with no Application section")
}
if conf.Consortium == "" {
return nil, errors.New("cannot define a new channel with no Consortium value")
}
newChannelGroup, err := NewChannelGroup(conf)
if err != nil {
return nil, errors.Wrapf(err, "could not turn parse profile into channel group")
}
updt, err := update.Compute(&cb.Config{ChannelGroup: templateConfig}, &cb.Config{ChannelGroup: newChannelGroup})
if err != nil {
return nil, errors.Wrapf(err, "could not compute update")
}
// Add the consortium name to create the channel for into the write set as required.
updt.ChannelId = channelID
updt.ReadSet.Values[channelconfig.ConsortiumKey] = &cb.ConfigValue{Version: 0}
updt.WriteSet.Values[channelconfig.ConsortiumKey] = &cb.ConfigValue{
Version: 0,
Value: protoutil.MarshalOrPanic(&cb.Consortium{
Name: conf.Consortium,
}),
}
return updt, nil
}
// DefaultConfigTemplate generates a config template based on the assumption that
// the input profile is a channel creation template and no system channel context
// is available.
func DefaultConfigTemplate(conf *genesisconfig.Profile) (*cb.ConfigGroup, error) {
channelGroup, err := NewChannelGroup(conf)
if err != nil {
return nil, errors.WithMessage(err, "error parsing configuration")
}
if _, ok := channelGroup.Groups[channelconfig.ApplicationGroupKey]; !ok {
return nil, errors.New("channel template configs must contain an application section")
}
channelGroup.Groups[channelconfig.ApplicationGroupKey].Values = nil
channelGroup.Groups[channelconfig.ApplicationGroupKey].Policies = nil
return channelGroup, nil
}
func ConfigTemplateFromGroup(conf *genesisconfig.Profile, cg *cb.ConfigGroup) (*cb.ConfigGroup, error) {
template := proto.Clone(cg).(*cb.ConfigGroup)
if template.Groups == nil {
return nil, errors.Errorf("supplied system channel group has no sub-groups")
}
template.Groups[channelconfig.ApplicationGroupKey] = &cb.ConfigGroup{
Groups: map[string]*cb.ConfigGroup{},
Policies: map[string]*cb.ConfigPolicy{
channelconfig.AdminsPolicyKey: {},
},
}
consortiums, ok := template.Groups[channelconfig.ConsortiumsGroupKey]
if !ok {
return nil, errors.Errorf("supplied system channel group does not appear to be system channel (missing consortiums group)")
}
if consortiums.Groups == nil {
return nil, errors.Errorf("system channel consortiums group appears to have no consortiums defined")
}
consortium, ok := consortiums.Groups[conf.Consortium]
if !ok {
return nil, errors.Errorf("supplied system channel group is missing '%s' consortium", conf.Consortium)
}
if conf.Application == nil {
return nil, errors.Errorf("supplied channel creation profile does not contain an application section")
}
for _, organization := range conf.Application.Organizations {
var ok bool
template.Groups[channelconfig.ApplicationGroupKey].Groups[organization.Name], ok = consortium.Groups[organization.Name]
if !ok {
return nil, errors.Errorf("consortium %s does not contain member org %s", conf.Consortium, organization.Name)
}
}
delete(template.Groups, channelconfig.ConsortiumsGroupKey)
addValue(template, channelconfig.ConsortiumValue(conf.Consortium), channelconfig.AdminsPolicyKey)
return template, nil
}
// MakeChannelCreationTransaction is a handy utility function for creating transactions for channel creation.
// It assumes the invoker has no system channel context so ignores all but the application section.
func MakeChannelCreationTransaction(
channelID string,
signer identity.SignerSerializer,
conf *genesisconfig.Profile,
) (*cb.Envelope, error) {
template, err := DefaultConfigTemplate(conf)
if err != nil {
return nil, errors.WithMessage(err, "could not generate default config template")
}
return MakeChannelCreationTransactionFromTemplate(channelID, signer, conf, template)
}
// MakeChannelCreationTransactionWithSystemChannelContext is a utility function for creating channel creation txes.
// It requires a configuration representing the orderer system channel to allow more sophisticated channel creation
// transactions modifying pieces of the configuration like the orderer set.
func MakeChannelCreationTransactionWithSystemChannelContext(
channelID string,
signer identity.SignerSerializer,
conf,
systemChannelConf *genesisconfig.Profile,
) (*cb.Envelope, error) {
cg, err := NewChannelGroup(systemChannelConf)
if err != nil {
return nil, errors.WithMessage(err, "could not parse system channel config")
}
template, err := ConfigTemplateFromGroup(conf, cg)
if err != nil {
return nil, errors.WithMessage(err, "could not create config template")
}
return MakeChannelCreationTransactionFromTemplate(channelID, signer, conf, template)
}
// MakeChannelCreationTransactionFromTemplate creates a transaction for creating a channel. It uses
// the given template to produce the config update set. Usually, the caller will want to invoke
// MakeChannelCreationTransaction or MakeChannelCreationTransactionWithSystemChannelContext.
func MakeChannelCreationTransactionFromTemplate(
channelID string,
signer identity.SignerSerializer,
conf *genesisconfig.Profile,
template *cb.ConfigGroup,
) (*cb.Envelope, error) {
newChannelConfigUpdate, err := NewChannelCreateConfigUpdate(channelID, conf, template)
if err != nil {
return nil, errors.Wrap(err, "config update generation failure")
}
newConfigUpdateEnv := &cb.ConfigUpdateEnvelope{
ConfigUpdate: protoutil.MarshalOrPanic(newChannelConfigUpdate),
}
if signer != nil {
sigHeader, err := protoutil.NewSignatureHeader(signer)
if err != nil {
return nil, errors.Wrap(err, "creating signature header failed")
}
newConfigUpdateEnv.Signatures = []*cb.ConfigSignature{{
SignatureHeader: protoutil.MarshalOrPanic(sigHeader),
}}
newConfigUpdateEnv.Signatures[0].Signature, err = signer.Sign(util.ConcatenateBytes(newConfigUpdateEnv.Signatures[0].SignatureHeader, newConfigUpdateEnv.ConfigUpdate))
if err != nil {
return nil, errors.Wrap(err, "signature failure over config update")
}
}
return protoutil.CreateSignedEnvelope(cb.HeaderType_CONFIG_UPDATE, channelID, signer, newConfigUpdateEnv, msgVersion, epoch)
}
// HasSkippedForeignOrgs is used to detect whether a configuration includes
// org definitions which should not be parsed because this tool is being
// run in a context where the user does not have access to that org's info
func HasSkippedForeignOrgs(conf *genesisconfig.Profile) error {
var organizations []*genesisconfig.Organization
if conf.Orderer != nil {
organizations = append(organizations, conf.Orderer.Organizations...)
}
if conf.Application != nil {
organizations = append(organizations, conf.Application.Organizations...)
}
for _, consortium := range conf.Consortiums {
organizations = append(organizations, consortium.Organizations...)
}
for _, org := range organizations {
if org.SkipAsForeign {
return errors.Errorf("organization '%s' is marked to be skipped as foreign", org.Name)
}
}
return nil
}
// Bootstrapper is a wrapper around NewChannelConfigGroup which can produce genesis blocks
type Bootstrapper struct {
channelGroup *cb.ConfigGroup
}
// NewBootstrapper creates a bootstrapper but returns an error instead of panic-ing
func NewBootstrapper(config *genesisconfig.Profile) (*Bootstrapper, error) {
if err := HasSkippedForeignOrgs(config); err != nil {
return nil, errors.WithMessage(err, "all org definitions must be local during bootstrapping")
}
channelGroup, err := NewChannelGroup(config)
if err != nil {
return nil, errors.WithMessage(err, "could not create channel group")
}
return &Bootstrapper{
channelGroup: channelGroup,
}, nil
}
// New creates a new Bootstrapper for generating genesis blocks
func New(config *genesisconfig.Profile) *Bootstrapper {
bs, err := NewBootstrapper(config)
if err != nil {
logger.Panicf("Error creating bootsrapper: %s", err)
}
return bs
}
// GenesisBlock produces a genesis block for the default test channel id
func (bs *Bootstrapper) GenesisBlock() *cb.Block {
// TODO(mjs): remove
return genesis.NewFactoryImpl(bs.channelGroup).Block("testchannelid")
}
// GenesisBlockForChannel produces a genesis block for a given channel ID
func (bs *Bootstrapper) GenesisBlockForChannel(channelID string) *cb.Block {
return genesis.NewFactoryImpl(bs.channelGroup).Block(channelID)
}