Add Inner Ring code

pkg/morph/client/netmap/update_state.go

@@ -0,0 +1,34 @@
+package netmap
+
+import (
+	"github.com/pkg/errors"
+)
+
+// UpdateStateArgs groups the arguments
+// of update state invocation call.
+type UpdateStateArgs struct {
+	key []byte // peer public key
+
+	state int64 // new peer state
+}
+
+// SetPublicKey sets peer public key
+// in a binary format.
+func (u *UpdateStateArgs) SetPublicKey(v []byte) {
+	u.key = v
+}
+
+// SetState sets the new peer state.
+func (u *UpdateStateArgs) SetState(v int64) {
+	u.state = v
+}
+
+// UpdateState invokes the call of update state method
+// of NeoFS Netmap contract.
+func (c *Client) UpdateState(args UpdateStateArgs) error {
+	return errors.Wrapf(c.client.Invoke(
+		c.addPeerMethod,
+		args.key,
+		args.state,
+	), "could not invoke method (%s)", c.updateStateMethod)
+}