From 3d3d30560ad28ba623af7530faa90f7fd347ac13 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Tue, 28 Sep 2021 08:06:54 +0300
Subject: [PATCH] [#645] core/client: Implement helper functions to fill
 NodeInfo

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/core/client/util.go | 42 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 pkg/core/client/util.go

diff --git a/pkg/core/client/util.go b/pkg/core/client/util.go
new file mode 100644
index 00000000..c19b0c36
--- /dev/null
+++ b/pkg/core/client/util.go
@@ -0,0 +1,42 @@
+package client
+
+import (
+	"fmt"
+
+	"github.com/nspcc-dev/neofs-node/pkg/network"
+)
+
+func nodeInfoFromKeyAddr(dst *NodeInfo, k []byte, a network.AddressGroup) {
+	dst.SetPublicKey(k)
+	dst.SetAddressGroup(a)
+}
+
+// NodeInfoFromRawNetmapElement fills NodeInfo structure from the interface of raw netmap member's descriptor.
+//
+// Args must not be nil.
+func NodeInfoFromRawNetmapElement(dst *NodeInfo, info interface {
+	PublicKey() []byte
+	IterateAddresses(func(string) bool)
+	NumberOfAddresses() int
+}) error {
+	var a network.AddressGroup
+
+	err := a.FromIterator(info)
+	if err != nil {
+		return fmt.Errorf("parse network address: %w", err)
+	}
+
+	nodeInfoFromKeyAddr(dst, info.PublicKey(), a)
+
+	return nil
+}
+
+// NodeInfoFromNetmapElement fills NodeInfo structure from the interface of parsed netmap member's descriptor.
+//
+// Args must not be nil.
+func NodeInfoFromNetmapElement(dst *NodeInfo, info interface {
+	PublicKey() []byte
+	Addresses() network.AddressGroup
+}) {
+	nodeInfoFromKeyAddr(dst, info.PublicKey(), info.Addresses())
+}