feat(delegation): make model(s) unexported

delegation/ipld.go

@@ -88,14 +88,14 @@ func (d *View) ToIPLD(privKey crypto.PrivKey) (datamodel.Node, error) {
 		exp = &u
 	}
 
-	model := &PayloadModel{
+	model := &tokenPayloadModel{
 		Iss:   d.Issuer.String(),
 		Aud:   d.Audience.String(),
 		Sub:   sub,
 		Cmd:   d.Command.String(),
 		Pol:   pol,
 		Nonce: d.Nonce,
-		Meta: MetaModel{
+		Meta: metaModel{
 			Keys:   metaKeys,
 			Values: d.Meta,
 		},
@@ -159,10 +159,10 @@ func FromDagJsonReader(r io.Reader) (*View, error) {
 // An error is returned if the conversion fails, or if the resulting
 // View is invalid.
 func FromIPLD(node datamodel.Node) (*View, error) {
-	tkn, _, err := envelope.FromIPLD[*PayloadModel](node) // TODO add CID to view
+	tkn, _, err := envelope.FromIPLD[*tokenPayloadModel](node) // TODO add CID to view
 	if err != nil {
 		return nil, err
 	}
 
-	return ViewFromModel(*tkn)
+	return viewFromModel(*tkn)
 }

delegation/schema.go

@@ -33,13 +33,13 @@ func mustLoadSchema() *schema.TypeSystem {
 	return ts
 }
 
-func PayloadType() schema.Type {
+func payloadType() schema.Type {
 	return mustLoadSchema().TypeByName("Payload")
 }
 
-var _ envelope.Tokener = (*PayloadModel)(nil)
+var _ envelope.Tokener = (*tokenPayloadModel)(nil)
 
-type PayloadModel struct {
+type tokenPayloadModel struct {
 	// Issuer DID (sender)
 	Iss string
 	// Audience DID (receiver)
@@ -59,7 +59,7 @@ type PayloadModel struct {
 
 	// Arbitrary Metadata
 	// optional: can be nil
-	Meta MetaModel
+	Meta metaModel
 
 	// "Not before" UTC Unix Timestamp in seconds (valid from), 53-bits integer
 	// optional: can be nil
@@ -69,15 +69,15 @@ type PayloadModel struct {
 	Exp *int64
 }
 
-func (e *PayloadModel) Prototype() schema.TypedPrototype {
-	return bindnode.Prototype((*PayloadModel)(nil), PayloadType())
+func (e *tokenPayloadModel) Prototype() schema.TypedPrototype {
+	return bindnode.Prototype((*tokenPayloadModel)(nil), payloadType())
 }
 
-func (*PayloadModel) Tag() string {
+func (*tokenPayloadModel) Tag() string {
 	return Tag
 }
 
-type MetaModel struct {
+type metaModel struct {
 	Keys   []string
 	Values map[string]datamodel.Node
 }

delegation/view.go

@@ -32,9 +32,9 @@ type View struct {
 	Expiration *time.Time
 }
 
-// ViewFromModel build a decoded view of the raw IPLD data.
+// viewFromModel build a decoded view of the raw IPLD data.
 // This function also serves as validation.
-func ViewFromModel(m PayloadModel) (*View, error) {
+func viewFromModel(m tokenPayloadModel) (*View, error) {
 	var view View
 	var err error