Display last seen and first seen for transactions

lib/explorer/forms/transaction_form.ex

@@ -24,6 +24,8 @@ defmodule Explorer.TransactionForm do
       from_address: transaction |> from_address,
       confirmations: block |> confirmations,
       status: transaction |> status,
+      first_seen: transaction |> first_seen,
+      last_seen: transaction |> last_seen,
     })
   end
 
@@ -85,4 +87,12 @@ defmodule Explorer.TransactionForm do
       gettext("Pending")
     end
   end
+
+  def first_seen(transaction) do
+    transaction.inserted_at |> Timex.from_now
+  end
+
+  def last_seen(transaction) do
+    transaction.updated_at |> Timex.from_now
+  end
 end

lib/explorer_web/templates/transaction/show.html.eex

@@ -69,6 +69,14 @@
             <dt class="transaction__item-key"><%= gettext "Input" %></dt>
             <dd class="transaction__item-value" title="<%= @transaction.input %>"><%= @transaction.input %></dd>
           </div>
+          <div class="transaction__item">
+            <dt class="transaction__item-key"><%= gettext "First Seen" %></dt>
+            <dd class="transaction__item-value" title="<%= @transaction.first_seen %>"><%= @transaction.first_seen %></dd>
+          </div>
+          <div class="transaction__item">
+            <dt class="transaction__item-key"><%= gettext "Last Seen" %></dt>
+            <dd class="transaction__item-value" title="<%= @transaction.last_seen %>"><%= @transaction.last_seen %></dd>
+          </div>
         </dl>
       </div>
     </div>

test/explorer/forms/transaction_form_test.exs

@@ -13,7 +13,9 @@ defmodule Explorer.TransactionFormTest do
         timestamp: time,
       })
       transaction =
-        insert(:transaction)
+        insert(:transaction,
+          inserted_at: Timex.parse!("1970-01-01T00:00:18-00:00", "{ISO:Extended}"),
+          updated_at: Timex.parse!("1980-01-01T00:00:18-00:00", "{ISO:Extended}"))
         |> with_block(block)
         |> with_addresses(%{to: "0xsleepypuppy", from: "0xilovefrogs"})
         |> Repo.preload(:block)
@@ -30,11 +32,17 @@ defmodule Explorer.TransactionFormTest do
         from_address: "0xilovefrogs",
         confirmations: 23,
         status: "Success",
+        first_seen: "48 years ago",
+        last_seen: "38 years ago",
       }))
     end
 
     test "works when there is no block" do
-      transaction = insert(:transaction) |> with_addresses(%{to: "0xchadmuska", from: "0xtonyhawk"}) |> Repo.preload(:block)
+      transaction = insert(
+        :transaction,
+        inserted_at: Timex.parse!("1970-01-01T00:00:18-00:00", "{ISO:Extended}"),
+        updated_at: Timex.parse!("1980-01-01T00:00:18-00:00", "{ISO:Extended}"))
+      |> with_addresses(%{to: "0xchadmuska", from: "0xtonyhawk"}) |> Repo.preload(:block)
       form = TransactionForm.build(transaction)
 
       assert(form == Map.merge(transaction, %{
@@ -47,6 +55,8 @@ defmodule Explorer.TransactionFormTest do
         from_address: "0xtonyhawk",
         confirmations: 0,
         status: "Pending",
+        first_seen: "48 years ago",
+        last_seen: "38 years ago",
       }))
     end
   end

test/explorer_web/features/contributor_browsing_test.exs

@@ -65,6 +65,8 @@ defmodule ExplorerWeb.UserListTest do
       gas_price: 7890000000898912300045,
       input: "0x00012",
       nonce: 99045,
+      inserted_at: Timex.parse!("1970-01-01T00:00:18-00:00", "{ISO:Extended}"),
+      updated_at: Timex.parse!("1980-01-01T00:00:18-00:00", "{ISO:Extended}"),
     })
     |> with_block(block)
     |> with_addresses(%{to: "0xabelincoln", from: "0xhowardtaft"})
@@ -94,6 +96,8 @@ defmodule ExplorerWeb.UserListTest do
     |> assert_has(css(".transaction__item", text: "0xabelincoln"))
     |> assert_has(css(".transaction__item", text: "0xhowardtaft"))
     |> assert_has(css(".transaction__item", text: "block confirmations"))
+    |> assert_has(css(".transaction__item", text: "48 years ago"))
+    |> assert_has(css(".transaction__item", text: "38 years ago"))
 
     session
     |> click(link("0xabelincoln"))