From 5841b0936beed868baad79438aaa162b8f541188 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Tue, 18 Nov 2025 08:09:44 -0300
Subject: [PATCH] throw when subscription is created without filters.

fixes https://github.com/nbd-wtf/nostr-tools/pull/497
---
 abstract-relay.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/abstract-relay.ts b/abstract-relay.ts
index e8c88de..0f3b397 100644
--- a/abstract-relay.ts
+++ b/abstract-relay.ts
@@ -481,6 +481,8 @@ export class Subscription {
   private eoseTimeoutHandle: ReturnType<typeof setTimeout> | undefined
 
   constructor(relay: AbstractRelay, id: string, filters: Filter[], params: SubscriptionParams) {
+    if (filters.length === 0) throw new Error("subscription can't be created with zero filters")
+
     this.relay = relay
     this.filters = filters
     this.id = id