/
membership.go
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/
membership.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package fabric
import (
"github.com/pkg/errors"
"github.com/hyperledger-labs/fabric-smart-client/platform/fabric/driver"
"github.com/hyperledger-labs/fabric-smart-client/platform/view/view"
)
type IdentityOptions struct {
IdemixEIDExtension bool
AuditInfo []byte
}
func CompileIdentityOptions(opts ...IdentityOption) (*IdentityOptions, error) {
txOptions := &IdentityOptions{}
for _, opt := range opts {
if err := opt(txOptions); err != nil {
return nil, err
}
}
return txOptions, nil
}
type IdentityOption func(*IdentityOptions) error
func WithIdemixEIDExtension() IdentityOption {
return func(o *IdentityOptions) error {
o.IdemixEIDExtension = true
return nil
}
}
func WithAuditInfo(ai []byte) IdentityOption {
return func(o *IdentityOptions) error {
o.AuditInfo = ai
return nil
}
}
type GetIdentityFunc func(opts ...IdentityOption) (view.Identity, []byte, error)
type IdentityInfo struct {
ID string
EnrollmentID string
GetIdentity GetIdentityFunc
}
type SigningIdentity interface {
Serialize() ([]byte, error)
Sign(msg []byte) ([]byte, error)
}
type LocalMembership struct {
network driver.FabricNetworkService
}
func (s *LocalMembership) RegisterIdemixMSP(id string, path string, mspID string) error {
return s.network.LocalMembership().RegisterIdemixMSP(id, path, mspID)
}
func (s *LocalMembership) RegisterX509MSP(id string, path string, mspID string) error {
return s.network.LocalMembership().RegisterX509MSP(id, path, mspID)
}
func (s *LocalMembership) DefaultSigningIdentity() SigningIdentity {
return s.network.LocalMembership().DefaultSigningIdentity()
}
func (s *LocalMembership) DefaultIdentity() view.Identity {
return s.network.LocalMembership().DefaultIdentity()
}
func (s *LocalMembership) IsMe(id view.Identity) bool {
return s.network.LocalMembership().IsMe(id)
}
func (s *LocalMembership) AnonymousIdentity() view.Identity {
return s.network.LocalMembership().AnonymousIdentity()
}
func (s *LocalMembership) GetIdentityByID(id string) (view.Identity, error) {
return s.network.LocalMembership().GetIdentityByID(id)
}
func (s *LocalMembership) GetIdentityInfoByLabel(mspType string, label string) *IdentityInfo {
iInfo := s.network.LocalMembership().GetIdentityInfoByLabel(mspType, label)
if iInfo == nil {
return nil
}
return &IdentityInfo{
ID: iInfo.ID,
EnrollmentID: iInfo.EnrollmentID,
GetIdentity: func(opts ...IdentityOption) (view.Identity, []byte, error) {
idOpts, err := CompileIdentityOptions(opts...)
if err != nil {
return nil, nil, err
}
return iInfo.GetIdentity(&driver.IdentityOptions{
EIDExtension: idOpts.IdemixEIDExtension,
AuditInfo: idOpts.AuditInfo,
})
},
}
}
func (s *LocalMembership) GetIdentityInfoByIdentity(mspType string, id view.Identity) *IdentityInfo {
iInfo := s.network.LocalMembership().GetIdentityInfoByIdentity(mspType, id)
if iInfo == nil {
return nil
}
return &IdentityInfo{
ID: iInfo.ID,
EnrollmentID: iInfo.EnrollmentID,
GetIdentity: func(opts ...IdentityOption) (view.Identity, []byte, error) {
idOpts, err := CompileIdentityOptions(opts...)
if err != nil {
return nil, nil, err
}
return iInfo.GetIdentity(&driver.IdentityOptions{
EIDExtension: idOpts.IdemixEIDExtension,
})
},
}
}
func (s *LocalMembership) Refresh() error {
return s.network.LocalMembership().Refresh()
}
// Verifier is an interface which wraps the Verify method.
type Verifier interface {
// Verify verifies the signature over the passed message.
Verify(message, sigma []byte) error
}
type MSPManager struct {
ch driver.Channel
}
func (c *MSPManager) GetMSPIDs() []string {
return c.ch.GetMSPIDs()
}
func (c *MSPManager) IsValid(identity view.Identity) error {
return c.ch.IsValid(identity)
}
func (c *MSPManager) GetMSPIdentifier(sid []byte) (string, error) {
id, err := c.ch.MSPManager().DeserializeIdentity(sid)
if err != nil {
return "", errors.Wrapf(err, "failed deserializing identity [%s]", view.Identity(sid).UniqueID())
}
return id.GetMSPIdentifier(), nil
}
func (c *MSPManager) GetVerifier(identity view.Identity) (Verifier, error) {
return c.ch.GetVerifier(identity)
}