WIP Persist zaps, create and send zap receipts

spec/requests/lnurlpay_spec.rb

@@ -143,7 +143,7 @@ RSpec.describe "/lnurlpay", type: :request do
             expect(LndhubManager::CreateUserInvoice).to receive(:call)
               .with(user: user, payload: {
                 amount: 21,
-                description: event.to_json,
+                description: "Zap for satoshi@kosmos.org",
                 description_hash: "b1a9910724bc9c1b03b4eba2e2d78ac69a8ac7b244e6ff6d4e7391bf6893f26a"
               })
               .and_return(invoice)
@@ -156,7 +156,17 @@ RSpec.describe "/lnurlpay", type: :request do
 
             res = JSON.parse(response.body)
             expect(res["status"]).to eq('OK')
-            expect(res["pr"]).to eq("lnbc210n1pnzzyvjpp56map6jmxtpaty37hk8mkpre2a4uq5rx2qgwsngcz08pam8lcp7zshp5xs7v3qlx0j0gyu9grrzx9xgews3t9vq64v30579le9z9wqr6fc5scqzzsxqyz5vqsp5kmltj5eayh47c6trwj8wdrz5nxymqp0eqwtk7k5nk6ytyz522nvs9qyyssqvkluufkp34gtzxdg0uyqcsdum2n34xz94tqr4jfwwx53czteutvj7eptz4lm5vcu0m8jqzxck484ycxzcqgqlqmpj2r3jxjlj4x6nygp8fvnag")
+            expect(res["pr"]).to eq(invoice["payment_request"])
+          end
+
+          it "creates a zap record" do
+            get lnurlpay_invoice_path(username: "satoshi", params: {
+              amount: 21000, nostr: event.to_json
+            })
+
+            zap = user.zaps.find_by payment_request: invoice["payment_request"]
+            expect(zap.request_event.id).to eq(event.id)
+            expect(zap.receipt).to be_nil
           end
         end
       end