Separate donation logic from tx streaming server

server/.gitignore

@@ -29,3 +29,5 @@ bitcoin_stream-*.tar
 # Logging files
 /log/
 *.log
+
+.envrc

server/lib/donations/lightning.ex

@@ -1,94 +0,0 @@
-Application.ensure_all_started(:hackney)
-
-defmodule BitcoinStream.Donations.Lightning do
-  @moduledoc """
-  Module for handling Bitcoin lightning invoices for donations
-  """
-
-  use GenServer
-
-  alias BitcoinStream.Protocol.Block, as: BitcoinBlock
-  alias BitcoinStream.Protocol.Transaction, as: BitcoinTx
-  alias BitcoinStream.Mempool, as: Mempool
-
-  def child_spec() do
-    %{
-      id: BitcoinStream.Donations.Lightning,
-      start: {BitcoinStream.Donations.Lightning, :start_link, []}
-    }
-  end
-
-  @doc """
-  Start a new lightning handler agent
-  """
-  def start_link() do
-    IO.puts("Starting Lightning Handler")
-    GenServer.start_link(__MODULE__, %{})
-  end
-
-  def init(arg) do
-    {:ok, arg}
-  end
-
-  def get_invoice(id) do
-    btcpay_root = System.get_env("BTCPAY_ROOT");
-    btcpay_store_id = System.get_env("BTCPAY_STORE_ID")
-    api_route = "#{btcpay_root}/api/v1/stores/#{btcpay_store_id}/lightning/btc/invoices/#{id}"
-    btcpay_key = System.get_env("BTCPAY_KEY");
-    IO.puts("Getting Lightning invoice #{id}");
-    with  {:ok, 200, _headers, body_ref} <- :hackney.request(
-              :get,
-              api_route,
-              [
-                {"authorization", "token #{btcpay_key}"}
-              ]
-            ),
-          {:ok, body} <- :hackney.body(body_ref) do
-
-      {:ok, body}
-    else
-      {:error, reason} ->
-        IO.puts("Lightning API failed");
-        IO.inspect(reason)
-        :error
-      _ ->
-        IO.puts("Lightning API failed: (unknown reason)");
-        :error
-    end
-  end
-
-  def create_invoice(amount) do
-    millisatoshis = amount * 1000
-    btcpay_root = System.get_env("BTCPAY_ROOT");
-    btcpay_store_id = System.get_env("BTCPAY_STORE_ID")
-    api_route = "#{btcpay_root}/api/v1/stores/#{btcpay_store_id}/lightning/btc/invoices"
-    btcpay_key = System.get_env("BTCPAY_KEY");
-    IO.puts("Creating Lightning invoice for #{amount}");
-    with  {:ok, api_request} <- Jason.encode(%{
-              amount: "#{millisatoshis}",
-              description: "Bitfeed donation",
-              expiry: 600
-            }),
-          {:ok, 200, _headers, body_ref} <- :hackney.request(
-              :post,
-              api_route,
-              [
-                {"authorization", "token #{btcpay_key}"},
-                {"content-type", "application/json"}
-              ],
-              api_request
-            ),
-          {:ok, body} <- :hackney.body(body_ref) do
-
-      {:ok, body}
-    else
-      {:error, reason} ->
-        IO.puts("Lightning API failed");
-        IO.inspect(reason)
-        :error
-      _ ->
-        IO.puts("Lightning API failed: (unknown reason)");
-        :error
-    end
-  end
-end

server/lib/router.ex

@@ -14,35 +14,6 @@ defmodule BitcoinStream.Router do
     json_decoder: Jason
   plug :dispatch
 
-  match "/api/lightning/invoice/:id", via: :get do
-    with {:ok, result} <- Lightning.get_invoice(id) do
-      send_resp(conn, 200, result)
-    else
-      {:error, reason} ->
-        IO.puts("Invoice retrieval failed");
-        IO.inspect(reason)
-        send_resp(conn, 500, "?!?")
-      _ ->
-        IO.puts("Invoice retrieval failed: (unknown reason)");
-        send_resp(conn, 500, "!?!")
-    end
-  end
-
-  post "/api/lightning/invoice" do
-    with  %{"amount" => amount} <- conn.body_params,
-          {:ok, result} <- Lightning.create_invoice(amount) do
-      send_resp(conn, 200, result)
-    else
-      {:error, reason} ->
-        IO.puts("Invoice creation failed");
-        IO.inspect(reason)
-        send_resp(conn, 500, "?!?")
-      _ ->
-        IO.puts("Invoice creation failed: (unknown reason)");
-        send_resp(conn, 500, "!?!")
-    end
-  end
-
   match _ do
     send_resp(conn, 404, "404")
   end

server/lib/server.ex

@@ -18,8 +18,7 @@ defmodule BitcoinStream.Server do
         keys: :duplicate,
         name: Registry.BitcoinStream
       ),
-      BitcoinStream.Bridge.child_spec(port: 29000),
-      BitcoinStream.Donations.Lightning.child_spec()
+      BitcoinStream.Bridge.child_spec(port: 29000)
     ]
 
     opts = [strategy: :one_for_one, name: BitcoinStream.Application]