From b903f72945921648deec345e50eea144d42b3d46 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Thu, 3 Nov 2022 14:30:53 -0300
Subject: [PATCH] never store ephemeral events.

---
 handlers.go                | 22 +++++++++++++---------
 storage/postgresql/save.go |  7 -------
 2 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/handlers.go b/handlers.go
index ddbd28e..b785d1f 100644
--- a/handlers.go
+++ b/handlers.go
@@ -162,17 +162,21 @@ func handleWebsocket(relay Relay) func(http.ResponseWriter, *http.Request) {
 							return
 						}
 
-						if advancedSaver != nil {
-							advancedSaver.BeforeSave(&evt)
-						}
+						if 20000 <= evt.Kind && evt.Kind < 30000 {
+							// do not store ephemeral events
+						} else {
+							if advancedSaver != nil {
+								advancedSaver.BeforeSave(&evt)
+							}
 
-						if err := store.SaveEvent(&evt); err != nil {
-							notice = err.Error()
-							return
-						}
+							if err := store.SaveEvent(&evt); err != nil {
+								notice = err.Error()
+								return
+							}
 
-						if advancedSaver != nil {
-							advancedSaver.AfterSave(&evt)
+							if advancedSaver != nil {
+								advancedSaver.AfterSave(&evt)
+							}
 						}
 
 						notifyListeners(&evt)
diff --git a/storage/postgresql/save.go b/storage/postgresql/save.go
index 7381c4e..a2486ca 100644
--- a/storage/postgresql/save.go
+++ b/storage/postgresql/save.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"strings"
-	"time"
 
 	"github.com/fiatjaf/go-nostr"
 )
@@ -35,11 +34,5 @@ func (b *PostgresBackend) SaveEvent(evt *nostr.Event) error {
 		return fmt.Errorf("failed to save event %s: %w", evt.ID, err)
 	}
 
-	// delete ephemeral events after a minute
-	go func() {
-		time.Sleep(75 * time.Second)
-		b.DB.Exec("DELETE FROM event WHERE id = $1", evt.ID)
-	}()
-
 	return nil
 }