feat: add an admin method to import contract methods.

apps/block_scout_web/assets/js/app.js

@@ -31,6 +31,8 @@ import './pages/pending_transactions'
 import './pages/transaction'
 import './pages/transactions'
 
+import './pages/admin/tasks.js'
+
 import './lib/clipboard_buttons'
 import './lib/currency'
 import './lib/from_now'

apps/block_scout_web/assets/js/pages/admin/tasks.js

@@ -0,0 +1,26 @@
+import $ from 'jquery'
+
+const runTask = (event) => {
+  const element = event.currentTarget
+  const $element = $(element)
+  const $loading = $element.find('[data-loading-message]')
+  const $errorMessage = $element.find('[data-error-message]')
+  const $successMessage = $element.find('[data-success-message]')
+  const apiPath = element.dataset.api_path
+
+  $errorMessage.hide()
+  $successMessage.hide()
+  $loading.show()
+
+  $.get(apiPath)
+    .done(response => {
+      $successMessage.show()
+      $loading.hide()
+    })
+    .fail(() => {
+      $loading.hide()
+      $errorMessage.show()
+    })
+}
+
+$('#run-create-contract-methods').click(runTask)

apps/block_scout_web/lib/block_scout_web/admin_router.ex

@@ -43,5 +43,9 @@ defmodule BlockScoutWeb.AdminRouter do
     pipe_through([:browser, :check_configured, :ensure_admin])
 
     get("/", DashboardController, :index)
+
+    scope "/tasks" do
+      get("/create_contract_methods", TaskController, :create_contract_methods, as: :create_contract_methods)
+    end
   end
 end

apps/block_scout_web/lib/block_scout_web/controllers/admin/tasks_controller.ex

@@ -0,0 +1,22 @@
+defmodule BlockScoutWeb.Admin.TaskController do
+  use BlockScoutWeb, :controller
+
+  require Logger
+
+  alias Explorer.Chain.ContractMethod
+
+  @ok_resp Poison.encode!(%{status: "success"})
+  @not_ok_resp Poison.encode!(%{status: "failure"})
+
+  def create_contract_methods(conn, _) do
+    case ContractMethod.import_all() do
+      :ok ->
+        send_resp(conn, 200, Poison.encode!(@ok_resp))
+
+      {:error, error} ->
+        Logger.error(fn -> ["Something went wrong while creating contract methods: ", inspect(error)] end)
+
+        send_resp(conn, 500, Poison.encode!(@not_ok_resp))
+    end
+  end
+end

apps/block_scout_web/lib/block_scout_web/templates/admin/dashboard/index.html.eex

@@ -1 +1,36 @@
-<div data-test="administrator_dashboard"></div>
+<div data-test="administrator_dashboard">
+  <div class="container">
+    <div class="row">
+      <h2>Tasks</h2>
+    </div>
+
+    <div class="row">
+      <div class="col-sm-6">
+        <div class="card">
+          <div class="card-body">
+            <div class="card-title">
+              <h3>Create Contract Methods</h3>
+            </div>
+            <div class="card-text">
+              <p>
+                <%= gettext("For any existing contracts in the database, insert all ABI entries into the contract_methods table. Use this in case you have verified smart contracts before early March 2019 and you want other contracts with the same functions to show those ABI's as candidate matches.") %>
+              </p>
+            </div>
+
+            <button id="run-create-contract-methods" data-api_path="<%= BlockScoutWeb.AdminRouter.Helpers.create_contract_methods_path(@conn, :create_contract_methods) %>" class="btn btn-primary">
+              <%= gettext("Run") %>
+
+              <span data-loading-message class="loading-spinner-small mr-2" style="display: none;">
+                <span class="loading-spinner-block-1"></span>
+                <span class="loading-spinner-block-2"></span>
+              </span>
+
+              <span data-success-message style="display: none;"> - Success</span>
+              <span data-error-message style="display: none;"> - Failed</span>
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

apps/block_scout_web/priv/gettext/default.pot

@@ -1671,3 +1671,13 @@ msgstr ""
 #: lib/block_scout_web/templates/transaction/overview.html.eex:131
 msgid "UTF-8"
 msgstr ""
+
+#, elixir-format
+#: lib/block_scout_web/templates/admin/dashboard/index.html.eex:16
+msgid "For any existing contracts in the database, insert all ABI entries into the contract_methods table. Use this in case you have verified smart contracts before early March 2019 and you want other contracts with the same functions to show those ABI's as candidate matches."
+msgstr ""
+
+#, elixir-format
+#: lib/block_scout_web/templates/admin/dashboard/index.html.eex:21
+msgid "Run"
+msgstr ""

apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po

@@ -1671,3 +1671,13 @@ msgstr ""
 #: lib/block_scout_web/templates/transaction/overview.html.eex:131
 msgid "UTF-8"
 msgstr ""
+
+#, elixir-format
+#: lib/block_scout_web/templates/admin/dashboard/index.html.eex:16
+msgid "For any existing contracts in the database, insert all ABI entries into the contract_methods table. Use this in case you have verified smart contracts before early March 2019 and you want other contracts with the same functions to show those ABI's as candidate matches."
+msgstr ""
+
+#, elixir-format
+#: lib/block_scout_web/templates/admin/dashboard/index.html.eex:21
+msgid "Run"
+msgstr ""

apps/explorer/lib/explorer/chain/contract_method.ex

@@ -7,7 +7,7 @@ defmodule Explorer.Chain.ContractMethod do
 
   use Explorer.Schema
 
-  alias Explorer.Chain.{Hash, MethodIdentifier}
+  alias Explorer.Chain.{Hash, MethodIdentifier, SmartContract}
   alias Explorer.Repo
 
   @type t :: %__MODULE__{
@@ -49,6 +49,23 @@ defmodule Explorer.Chain.ContractMethod do
     Repo.insert_all(__MODULE__, successes, on_conflict: :nothing, conflict_target: [:identifier, :abi])
   end
 
+  def import_all do
+    result =
+      Repo.transaction(fn ->
+        SmartContract
+        |> Repo.stream()
+        |> Task.async_stream(fn contract ->
+          upsert_from_abi(contract.abi, contract.address_hash)
+        end)
+        |> Stream.run()
+      end)
+
+    case result do
+      {:ok, _} -> :ok
+      {:error, error} -> {:error, error}
+    end
+  end
+
   defp abi_element_to_contract_method(element) do
     case ABI.parse_specification([element], include_events?: true) do
       [selector] ->