[#556] morph/neofsid: Add Client methods to add/remove keys

Implement `AddKeys` / `RemoveKeys` methods to call `addKey` / `removeKey`
methods of NeoFS ID contract.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/morph/client/neofsid/addrm_keys.go

@@ -0,0 +1,63 @@
+package neofsid
+
+import (
+	"fmt"
+)
+
+// AddKeysArgs groups the arguments
+// of key binding call.
+type AddKeysArgs struct {
+	commonBindArgs
+}
+
+// RemoveKeysArgs groups the arguments
+// of key unbinding call.
+type RemoveKeysArgs struct {
+	commonBindArgs
+}
+
+type commonBindArgs struct {
+	ownerID []byte // NeoFS account identifier
+
+	keys [][]byte // list of serialized public keys
+}
+
+// SetOwnerID sets NeoFS account identifier.
+func (x *commonBindArgs) SetOwnerID(v []byte) {
+	x.ownerID = v
+}
+
+// SetKeys sets list of public keys in a binary format.
+func (x *commonBindArgs) SetKeys(v [][]byte) {
+	x.keys = v
+}
+
+// AddKeys invokes the call of key adding method
+// of NeoFS contract.
+func (x *Client) AddKeys(args AddKeysArgs) error {
+	err := x.client.Invoke(
+		x.addKeysMethod,
+		args.ownerID,
+		args.keys,
+	)
+	if err != nil {
+		return fmt.Errorf("could not invoke method (%s): %w", x.addKeysMethod, err)
+	}
+
+	return nil
+}
+
+// RemoveKeys invokes the call of key removing method
+// of NeoFS contract.
+func (x *Client) RemoveKeys(args RemoveKeysArgs) error {
+	err := x.client.Invoke(
+		x.removeKeysMethod,
+		args.ownerID,
+		args.keys,
+	)
+	if err != nil {
+		return fmt.Errorf("could not invoke method (%s): %w", x.removeKeysMethod, err)
+	}
+
+	return nil
+}

pkg/morph/client/neofsid/client.go

@@ -22,15 +22,21 @@ type Client struct {
 type Option func(*cfg)
 
 type cfg struct {
+	addKeysMethod,
+	removeKeysMethod,
 	keyListingMethod string
 }
 
 const (
 	defaultKeyListingMethod = "key" // default key listing method name
+	defaultAddKeysMethod    = "addKey"
+	defaultRemoveKeysMethod = "removeKey"
 )
 
 func defaultConfig() *cfg {
 	return &cfg{
+		addKeysMethod:    defaultAddKeysMethod,
+		removeKeysMethod: defaultRemoveKeysMethod,
 		keyListingMethod: defaultKeyListingMethod,
 	}
 }
@@ -76,3 +82,31 @@ func WithKeyListingMethod(n string) Option {
 		}
 	}
 }
+
+// WithAddKeysMethod returns a client constructor option that
+// specifies the method name of adding key operation.
+//
+// Ignores empty value.
+//
+// If option not provided, "addKey" is used.
+func WithAddKeysMethod(n string) Option {
+	return func(c *cfg) {
+		if n != "" {
+			c.addKeysMethod = n
+		}
+	}
+}
+
+// WithRemoveKeysMethod returns a client constructor option that
+// specifies the method name of removing key operation.
+//
+// Ignores empty value.
+//
+// If option not provided, "removeKey" is used.
+func WithRemoveKeysMethod(n string) Option {
+	return func(c *cfg) {
+		if n != "" {
+			c.removeKeysMethod = n
+		}
+	}
+}