Improve nostr settings, fix allowsNostr property name

spec/requests/lnurlpay_spec.rb

@@ -29,6 +29,7 @@ RSpec.describe "/lnurlpay", type: :request do
 
     before do
       login_as user, :scope => :user
+      Setting.nostr_enabled = false
     end
 
     describe "GET /.well-known/lnurlp/:username" do
@@ -44,6 +45,21 @@ RSpec.describe "/lnurlpay", type: :request do
         expect(res["minSendable"]).to be_a(Integer)
         expect(res["maxSendable"]).to be_a(Integer)
         expect(res["commentAllowed"]).to be_a(Integer)
+        expect(res["allowsNostr"]).to be_nil
+      end
+
+      context "with support for nostr zaps" do
+        before do
+          Setting.nostr_enabled = true
+        end
+
+        it "returns NIP-57 properties" do
+          get lightning_address_path(username: "satoshi")
+
+          res = JSON.parse(response.body)
+          expect(res["allowsNostr"]).to be(true)
+          expect(res["nostrPubkey"]).to eq(Setting.nostr_public_key)
+        end
       end
     end
 
@@ -104,6 +120,10 @@ RSpec.describe "/lnurlpay", type: :request do
       end
 
       context "zap request" do
+        before do
+          Setting.nostr_enabled = true
+        end
+
         describe "with invalid request event" do
           it "returns an error" do
             get lnurlpay_invoice_path(username: "satoshi", params: {