Limit number of relays to publish zap receipts to

spec/services/nostr_manager/publish_zap_receipt_spec.rb

@@ -6,11 +6,35 @@ RSpec.describe NostrManager::PublishZapReceipt, type: :model do
 
   describe "Default/delayed execution" do
     it "publishes zap receipts to all requested relays" do
-      2.times do
-        expect(NostrPublishEventJob).to receive(:perform_later).and_return(true)
-      end
+      expect(NostrPublishEventJob).to receive(:perform_later)
+        .exactly(2).times.and_return(true)
 
       described_class.call(zap: zap)
     end
+
+    context "with a long relay list" do
+      before do
+        relays = zap.request["tags"].find { |t| t.first == "relays" }
+        [
+          "wss://aegonstargaryen.example.com", "wss://visenya.example.com",
+          "wss://rhaenys.example.com", "wss://housevelaryon.example.com",
+          "wss://aemond.example.com", "wss://jaehaerys.example.com",
+          "wss://daenerys.example.com", "wss://corlys.example.com",
+          "wss://laenor.example.com", "wss://alysanne.example.com",
+          "wss://balerion.example.com", "wss://meraxes.example.com",
+          "wss://vhaegar.example.com", "wss://vermax.example.com",
+          "wss://caraxes.example.com"
+        ].each do |url|
+          relays << url
+        end
+      end
+
+      it "limits publishing attempts to the first 12 relays" do
+        expect(NostrPublishEventJob).to receive(:perform_later)
+          .exactly(12).times.and_return(true)
+
+        described_class.call(zap: zap)
+      end
+    end
   end
 end