From 2282e36196432a9de63a351725174fb85b2d5f8c Mon Sep 17 00:00:00 2001
From: Svarog <feanorr@gmail.com>
Date: Mon, 9 Nov 2020 10:52:57 +0200
Subject: [PATCH] [NOD-1522] Add IsEqual to SubnetworkID (#1012)

* [NOD-1519] Add IsEqual to SubnetworkID

* [NOD-1522] Added comment
---
 domain/consensus/utils/subnetworks/compare.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/domain/consensus/utils/subnetworks/compare.go b/domain/consensus/utils/subnetworks/compare.go
index 12cda20da..af1a06358 100644
--- a/domain/consensus/utils/subnetworks/compare.go
+++ b/domain/consensus/utils/subnetworks/compare.go
@@ -21,3 +21,14 @@ func cmp(a, b externalapi.DomainSubnetworkID) int {
 func Less(a, b externalapi.DomainSubnetworkID) bool {
 	return cmp(a, b) < 0
 }
+
+// IsEqual returns true if a and b are equal or both nil
+func IsEqual(a, b *externalapi.DomainSubnetworkID) bool {
+	if a == nil && b == nil {
+		return true
+	}
+	if a == nil || b == nil {
+		return false
+	}
+	return *a == *b
+}