90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
/*
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Copyright IBM Corp. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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*/
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package msp
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import (
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"github.com/IBM/idemix"
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"github.com/hyperledger/fabric/bccsp"
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"github.com/pkg/errors"
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)
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type MSPVersion int
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const (
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MSPv1_0 = iota
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MSPv1_1
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MSPv1_3
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MSPv1_4_3
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)
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// NewOpts represent
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type NewOpts interface {
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// GetVersion returns the MSP's version to be instantiated
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GetVersion() MSPVersion
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}
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// NewBaseOpts is the default base type for all MSP instantiation Opts
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type NewBaseOpts struct {
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Version MSPVersion
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}
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func (o *NewBaseOpts) GetVersion() MSPVersion {
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return o.Version
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}
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// BCCSPNewOpts contains the options to instantiate a new BCCSP-based (X509) MSP
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type BCCSPNewOpts struct {
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NewBaseOpts
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}
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// IdemixNewOpts contains the options to instantiate a new Idemix-based MSP
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type IdemixNewOpts struct {
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NewBaseOpts
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}
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// New create a new MSP instance depending on the passed Opts
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func New(opts NewOpts, cryptoProvider bccsp.BCCSP) (MSP, error) {
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switch opts.(type) {
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case *BCCSPNewOpts:
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switch opts.GetVersion() {
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case MSPv1_0:
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return newBccspMsp(MSPv1_0, cryptoProvider)
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case MSPv1_1:
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return newBccspMsp(MSPv1_1, cryptoProvider)
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case MSPv1_3:
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return newBccspMsp(MSPv1_3, cryptoProvider)
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case MSPv1_4_3:
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return newBccspMsp(MSPv1_4_3, cryptoProvider)
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default:
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return nil, errors.Errorf("Invalid *BCCSPNewOpts. Version not recognized [%v]", opts.GetVersion())
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}
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case *IdemixNewOpts:
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switch opts.GetVersion() {
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case MSPv1_4_3:
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fallthrough
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case MSPv1_3:
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msp, err := idemix.NewIdemixMsp(MSPv1_3)
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if err != nil {
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return nil, err
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}
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return &idemixMSPWrapper{msp.(*idemix.Idemixmsp)}, nil
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case MSPv1_1:
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msp, err := idemix.NewIdemixMsp(MSPv1_1)
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if err != nil {
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return nil, err
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}
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return &idemixMSPWrapper{msp.(*idemix.Idemixmsp)}, nil
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default:
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return nil, errors.Errorf("Invalid *IdemixNewOpts. Version not recognized [%v]", opts.GetVersion())
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}
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default:
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return nil, errors.Errorf("Invalid msp.NewOpts instance. It must be either *BCCSPNewOpts or *IdemixNewOpts. It was [%v]", opts)
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}
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}
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