hosting explorer within stacks

config/config.exs

@@ -85,6 +85,7 @@ config :exqlite, force_build: true
 config :ethui, Ethui.Stacks,
   graph_node_image: "graphprotocol/graph-node:f02dfa2",
   ipfs_image: "ipfs/kubo:v0.34.1",
+  explorer_image: "ghcr.io/ethui/explorer:latest",
   pg_image: "postgres:17.4",
   anvil_bin: System.get_env("ANVIL_BIN", "anvil"),
   docker_host: System.get_env("DOCKER_HOST", "172.17.0.1"),

lib/ethui/services/explorer.ex

@@ -0,0 +1,21 @@
+defmodule Ethui.Services.Explorer do
+  @moduledoc """
+    GenServer that manages a global `@ethui/explorer` instace, to be shared by all anvil instances
+    This wraps a MuontipTrap Daemon
+  """
+
+  use Ethui.Services.Docker,
+    image: &__MODULE__.docker_image/0,
+    named_args: [
+      network: "ethui-stacks",
+      name: "ethui-stacks-explorer"
+    ]
+
+  def docker_image do
+    config()[:explorer_image]
+  end
+
+  defp config do
+    Application.get_env(:ethui, Ethui.Stacks)
+  end
+end

lib/ethui/stacks/supervisor.ex

@@ -31,6 +31,9 @@ defmodule Ethui.Stacks.Supervisor do
       # global Postgres service
       {Ethui.Services.Pg, []},
 
+      # owned instance of ethui-explorer
+      {Ethui.Services.Explorer, []},
+
       # services supervisor
       MultiStackSupervisor,
       Server

lib/ethui_web/controllers/proxy_controller.ex

@@ -15,7 +15,11 @@ defmodule EthuiWeb.ProxyController do
 
   def reverse_proxy(conn, _params), do: conn |> send_resp(404, "Not found")
 
-  defp proxy_component(conn, params, {slug, nil}), do: anvil(conn, params, slug)
+  defp proxy_component(%{method: "POST"} = conn, params, {slug, nil}),
+    do: anvil(conn, params, slug)
+
+  defp proxy_component(%{method: "GET"} = conn, params, {slug, nil}),
+    do: explorer_redirect(conn, params, slug)
 
   defp proxy_component(conn, params, {slug, "graph"}),
     do: subgraph_generic(conn, params, slug, 8000)
@@ -29,6 +33,9 @@ defmodule EthuiWeb.ProxyController do
   defp proxy_component(conn, params, {_slug, "ipfs"}),
     do: ipfs(conn, params)
 
+  defp proxy_component(conn, params, {_slug, "explorer"}),
+    do: explorer(conn, params)
+
   defp proxy_component(%Plug.Conn{assigns: assigns} = conn, _params, _proxy) do
     Logger.error("cannot proxy #{inspect(assigns)}")
 
@@ -49,6 +56,22 @@ defmodule EthuiWeb.ProxyController do
     end
   end
 
+  defp explorer_redirect(conn, _params, _slug) do
+    conn |> redirect(external: "http://google.com")
+  end
+
+  defp explorer(conn, %{"proxied_path" => proxied_path}) do
+    case Ethui.Services.Explorer.ip() do
+      {:ok, ip} ->
+        forward(conn, "http://#{ip}:3000/#{Enum.join(proxied_path, "/")}")
+
+      _ ->
+        conn
+        |> put_status(:not_found)
+        |> json(%{error: "Explorer not running"})
+    end
+  end
+
   defp subgraph_generic(conn, %{"proxied_path" => proxied_path}, slug, target_port) do
     case Graph.ip_from_slug(slug) do
       {:ok, ip} ->
@@ -70,7 +93,7 @@ defmodule EthuiWeb.ProxyController do
       _ ->
         conn
         |> put_status(:not_found)
-        |> json(%{error: "Stack not found"})
+        |> json(%{error: "IPFS not found"})
     end
   end