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util.go
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/
util.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package privdata
import (
"github.com/golang/protobuf/proto"
"github.com/hyperledger/fabric/common/cauthdsl"
"github.com/hyperledger/fabric/common/policies"
"github.com/hyperledger/fabric/msp"
"github.com/hyperledger/fabric/protos/common"
"github.com/pkg/errors"
)
func getPolicy(collectionPolicyConfig *common.CollectionPolicyConfig, deserializer msp.IdentityDeserializer) (policies.Policy, error) {
if collectionPolicyConfig == nil {
return nil, errors.New("Collection policy config is nil")
}
accessPolicyEnvelope := collectionPolicyConfig.GetSignaturePolicy()
if accessPolicyEnvelope == nil {
return nil, errors.New("Collection config access policy is nil")
}
// create access policy from the envelope
npp := cauthdsl.NewPolicyProvider(deserializer)
polBytes, err := proto.Marshal(accessPolicyEnvelope)
if err != nil {
return nil, err
}
accessPolicy, _, err := npp.NewPolicy(polBytes)
if err != nil {
return nil, err
}
return accessPolicy, nil
}