From 82f2f63df4e910601e45404b8281945e341b8fc1 Mon Sep 17 00:00:00 2001
From: wanwiset25 <wanwiset25@gmail.com>
Date: Fri, 28 Jun 2024 18:22:07 +0400
Subject: [PATCH] add explanation

---
 eth/protocol.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/eth/protocol.go b/eth/protocol.go
index 887cad520e61..b530f7237882 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -38,6 +38,10 @@ const (
 	xdpos22 = 101 //xdpos2.2 = eth65
 )
 
+// XDC needs the below functions because direct number equality doesn't work (eg. version >= 63)
+// we should try to match protocols 1 to 1 from now on, bump xdpos along with any new eth (eg. eth66 = xdpos23 only)
+// try to follow the exact comparison from go-ethereum as much as possible (eg. version >= 63 <> isEth63OrHigher(version))
+
 func isEth63(version int) bool {
 	switch {
 	case version == 63:
@@ -48,7 +52,6 @@ func isEth63(version int) bool {
 		return false
 	}
 }
-
 func isEth64(version int) bool {
 	switch {
 	case version == 64:
@@ -57,7 +60,6 @@ func isEth64(version int) bool {
 		return false
 	}
 }
-
 func isEth65(version int) bool {
 	switch {
 	case version == 65: