WIP Persist zaps, create and send zap receipts

spec/services/nostr_manager/create_zap_receipt_spec.rb

@@ -0,0 +1,45 @@
+require 'rails_helper'
+
+RSpec.describe NostrManager::CreateZapReceipt, type: :model do
+  let(:user) { create :user, ln_account: "123456abcdef" }
+  let(:zap) { create :zap, user: user }
+
+  # before do
+  #   user.save!
+  #   zap.save!
+  # end
+
+  subject {
+    described_class.call(
+      zap: zap, paid_at: 1673428978,
+      preimage: "3539663535656537343331663432653165396430623966633664656664646563"
+    )
+  }
+
+  describe "Zap receipt" do
+    it "is a kind:9735 note" do
+      expect(subject).to be_a(Nostr::Event)
+      expect(subject.kind).to eq(9735)
+    end
+
+    it "sets created_at to when the invoice was paid" do
+      expect(subject.created_at).to eq(1673428978)
+    end
+
+    it "contains the zap recipient" do
+      expect(subject.tags.find{|t| t[0] == "p"}[1]).to eq("07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3")
+    end
+
+    it "contains the bolt11 invoice" do
+      expect(subject.tags.find{|t| t[0] == "bolt11"}[1]).to eq(zap.payment_request)
+    end
+
+    it "contains the invoice preimage" do
+      expect(subject.tags.find{|t| t[0] == "preimage"}[1]).to eq("3539663535656537343331663432653165396430623966633664656664646563")
+    end
+
+    it "contains the serialized zap request event as description" do
+      expect(subject.tags.find{|t| t[0] == "description"}[1]).to eq(zap.request_event.to_json)
+    end
+  end
+end

spec/services/nostr_manager/publish_zap_receipt_spec.rb

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+require 'rails_helper'
+
+RSpec.describe NostrManager::PublishZapReceipt, type: :model do
+  let(:user) { create :user, ln_account: "123456abcdef" }
+  let(:zap) { create :zap, user: user }
+
+  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
+
+      described_class.call(zap: zap)
+    end
+  end
+end