[FAB-1850] Fixes inconsistency in type attribute proof

Fixes inconsistency between type of GetAttributeProof ([]byte) and VerifyAttributes ([][]byte)

Change-Id: I6b51a15a671092a5fba3995f6a8c5266b776a316
Signed-off-by: Manu Drijvers <[email protected]>
Signed-off-by: Maria Dubovitskaya <[email protected]>

Author: Manu Drijvers

common/cauthdsl/cauthdsl.go

@@ -136,7 +136,7 @@ func (id *mockIdentity) VerifyOpts(msg []byte, sig []byte, opts msp.SignatureOpt
 	return nil
 }
 
-func (id *mockIdentity) VerifyAttributes(proof [][]byte, spec *msp.AttributeProofSpec) error {
+func (id *mockIdentity) VerifyAttributes(proof []byte, spec *msp.AttributeProofSpec) error {
 	return nil
 }
 

msp/identities.go

@@ -109,7 +109,7 @@ func (id *identity) VerifyOpts(msg []byte, sig []byte, opts SignatureOpts) error
 	return nil
 }
 
-func (id *identity) VerifyAttributes(proof [][]byte, spec *AttributeProofSpec) error {
+func (id *identity) VerifyAttributes(proof []byte, spec *AttributeProofSpec) error {
 	// TODO
 	return nil
 }

msp/msp.go

@@ -139,8 +139,8 @@ type Identity interface {
 	// VerifyOpts a signature over some message using this identity as reference
 	VerifyOpts(msg []byte, sig []byte, opts SignatureOpts) error
 
-	// VerifyAttributes verifies attributes given proofs
-	VerifyAttributes(proof [][]byte, spec *AttributeProofSpec) error
+	// VerifyAttributes verifies attributes given a proof
+	VerifyAttributes(proof []byte, spec *AttributeProofSpec) error
 
 	// Serialize converts an identity to bytes
 	Serialize() ([]byte, error)
@@ -167,7 +167,7 @@ type SigningIdentity interface {
 	// SignOpts the message with options
 	SignOpts(msg []byte, opts SignatureOpts) ([]byte, error)
 
-	// GetAttributeProof creates a proof for an attribute
+	// GetAttributeProof creates a proof for a set of attributes
 	GetAttributeProof(spec *AttributeProofSpec) (proof []byte, err error)
 
 	// GetPublicVersion returns the public parts of this identity

msp/noopmsp.go

@@ -105,7 +105,7 @@ func (id *noopidentity) VerifyOpts(msg []byte, sig []byte, opts SignatureOpts) e
 	return nil
 }
 
-func (id *noopidentity) VerifyAttributes(proof [][]byte, spec *AttributeProofSpec) error {
+func (id *noopidentity) VerifyAttributes(proof []byte, spec *AttributeProofSpec) error {
 	return nil
 }