Do not strip 0x in the middle of the string

This is causing checksum validation issues for addresses where 0x appears in the middle of the address not just at the beginning.

Author: hoffmabc

util/utils.go

@@ -65,7 +65,10 @@ const EmojiPattern = "[\\x{2712}\\x{2714}\\x{2716}\\x{271d}\\x{2721}\\x{2728}\\x
 
 // NormalizeAddress is used to strip the 0x prefix
 func NormalizeAddress(addr string) string {
-	return strings.Replace(addr, "0x", "", 1)
+	if addr[0:2] == "0x" {
+		return strings.Replace(addr, "0x", "", 1)
+	}
+	return addr
 }
 
 // AreAddressesEqual - check if addresses are equal after normalizing them