From a7fa996e842f5cac3b07da35fcdd06b672a524cd Mon Sep 17 00:00:00 2001
From: Kieran <kieran@harkin.me>
Date: Tue, 13 Jun 2023 11:40:09 +0100
Subject: [PATCH] bug: empty relay list fallback

---
 packages/system/package.json              |  2 +-
 packages/system/src/GossipModel.ts        |  4 +--
 packages/system/tests/GossipModel.test.ts | 31 +++++++++++++++++++++++
 3 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 packages/system/tests/GossipModel.test.ts

diff --git a/packages/system/package.json b/packages/system/package.json
index 38616bf..60a7c99 100644
--- a/packages/system/package.json
+++ b/packages/system/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@snort/system",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Snort nostr system package",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/system/src/GossipModel.ts b/packages/system/src/GossipModel.ts
index 18aa1e7..e50a66e 100644
--- a/packages/system/src/GossipModel.ts
+++ b/packages/system/src/GossipModel.ts
@@ -62,8 +62,8 @@ export function splitByWriteRelays(cache: RelayCache, filter: ReqFilter): Array<
     };
   });
 
-  const missing = allRelays.filter(a => a.relays === undefined);
-  const hasRelays = allRelays.filter(a => a.relays !== undefined);
+  const missing = allRelays.filter(a => a.relays === undefined || a.relays.length === 0);
+  const hasRelays = allRelays.filter(a => a.relays !== undefined && a.relays.length > 0);
   const relayUserMap = hasRelays.reduce((acc, v) => {
     for (const r of unwrap(v.relays)) {
       if (!acc.has(r.url)) {
diff --git a/packages/system/tests/GossipModel.test.ts b/packages/system/tests/GossipModel.test.ts
new file mode 100644
index 0000000..90f154c
--- /dev/null
+++ b/packages/system/tests/GossipModel.test.ts
@@ -0,0 +1,31 @@
+import { splitAllByWriteRelays } from "../src/GossipModel"
+
+describe("GossipModel", () => {
+    it("should not output empty", () => {
+        const Relays = {
+            get: (pk?: string) => {
+                return [];
+            }
+        }
+        const a = [{
+            "until": 1686651693,
+            "limit": 200,
+            "kinds": [
+                1,
+                6,
+                6969
+            ],
+            "authors": [
+                "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"
+            ]
+        }];
+
+        const output = splitAllByWriteRelays(Relays, a);
+        expect(output).toEqual([
+            {
+                relay: "",
+                filters: a
+            }
+        ])
+    })
+})
\ No newline at end of file