From ee53d55800033ba2fa1d61e0570e855e29450fb6 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@alhur.es>
Date: Sat, 20 Feb 2021 11:33:45 -0300
Subject: [PATCH] support kind filter.

---
 filter/filter.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/filter/filter.go b/filter/filter.go
index 093e6b5..127826a 100644
--- a/filter/filter.go
+++ b/filter/filter.go
@@ -5,7 +5,7 @@ import "github.com/fiatjaf/go-nostr/event"
 type EventFilter struct {
 	ID         string   `json:"id,omitempty"`
 	Author     string   `json:"author,omitempty"`
-	Kind       uint8    `json:"kind,omitempty"`
+	Kind       *uint8   `json:"kind,omitempty"`
 	Authors    []string `json:"authors,omitempty"`
 	TagEvent   string   `json:"#e,omitempty"`
 	TagProfile string   `json:"#p,omitempty"`
@@ -96,6 +96,10 @@ func (ef EventFilter) Matches(event *event.Event) bool {
 		}
 	}
 
+	if ef.Kind != nil && *ef.Kind != event.Kind {
+		return false
+	}
+
 	if ef.Since != 0 && event.CreatedAt < ef.Since {
 		return false
 	}