From 82277eb6d9042a0fe4e576795fc9fe1f91e2b5d1 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Mon, 17 Feb 2025 16:47:32 -0300
Subject: [PATCH] persistent KVStore on LMDB.

---
 main.go  |  1 +
 nostr.go | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index a97c4d0..76d9a0f 100644
--- a/main.go
+++ b/main.go
@@ -24,6 +24,7 @@ type Settings struct {
 	ServiceURL          string   `envconfig:"SERVICE_URL"`
 	InternalDBPath      string   `envconfig:"DISK_CACHE_PATH" default:"/tmp/njump-internal"`
 	EventStorePath      string   `envconfig:"EVENT_STORE_PATH" default:"/tmp/njump-db"`
+	KVStorePath         string   `envconfig:"KV_STORE_PATH" default:"/tmp/njump-kv"`
 	HintsMemoryDumpPath string   `envconfig:"HINTS_SAVE_PATH" default:"/tmp/njump-hints.json"`
 	TailwindDebug       bool     `envconfig:"TAILWIND_DEBUG"`
 	RelayConfigPath     string   `envconfig:"RELAY_CONFIG_PATH"`
diff --git a/nostr.go b/nostr.go
index 20e700d..a54c960 100644
--- a/nostr.go
+++ b/nostr.go
@@ -10,6 +10,7 @@ import (
 	"github.com/fiatjaf/eventstore/lmdb"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/sdk"
+	lmdb_kv "github.com/nbd-wtf/go-nostr/sdk/kvstore/lmdb"
 )
 
 type RelayConfig struct {
@@ -48,10 +49,18 @@ func initSystem() func() {
 		Path:     s.EventStorePath,
 		MaxLimit: DB_MAX_LIMIT,
 	}
-	db.Init()
+	if err := db.Init(); err != nil {
+		panic(err)
+	}
+
+	kv, err := lmdb_kv.NewStore(s.EventStorePath)
+	if err != nil {
+		panic(err)
+	}
 
 	sys = sdk.NewSystem(
 		sdk.WithStore(db),
+		sdk.WithKVStore(kv),
 	)
 
 	return db.Close