More transaction controllers improvements

CHANGELOG.md

@@ -57,6 +57,7 @@
 - [#2204](https://github.com/poanetwork/blockscout/pull/2204) - fix large contract verification
 - [#2247](https://github.com/poanetwork/blockscout/pull/2247) - hide logs search if there are no logs
 - [#2248](https://github.com/poanetwork/blockscout/pull/2248) - sort block after query execution for average block time
+- [#2249](https://github.com/poanetwork/blockscout/pull/2249) - More transaction controllers improvements
 
 ### Chore
 - [#2127](https://github.com/poanetwork/blockscout/pull/2127) - use previouse chromedriver version

apps/block_scout_web/lib/block_scout_web/controllers/block_transaction_controller.ex

@@ -17,7 +17,7 @@ defmodule BlockScoutWeb.BlockTransactionController do
         Keyword.merge(
           [
             necessity_by_association: %{
-              :block => :required,
+              :block => :optional,
               [created_contract_address: :names] => :optional,
               [from_address: :names] => :required,
               [to_address: :names] => :optional

apps/block_scout_web/lib/block_scout_web/controllers/transaction_controller.ex

@@ -61,21 +61,16 @@ defmodule BlockScoutWeb.TransactionController do
   end
 
   def show(conn, %{"id" => id}) do
-    case Chain.string_to_transaction_hash(id) do
+    with {:ok, transaction_hash} <- Chain.string_to_transaction_hash(id),
-      {:ok, transaction_hash} -> show_transaction(conn, id, Chain.hash_to_transaction(transaction_hash))
+         {:ok, %Chain.Transaction{} = transaction} <- Chain.hash_to_transaction(transaction_hash) do
-      :error -> conn |> put_status(422) |> render("invalid.html", transaction_hash: id)
+      if Chain.transaction_has_token_transfers?(transaction.hash) do
-    end
+        redirect(conn, to: transaction_token_transfer_path(conn, :index, id))
-  end
+      else
-
+        redirect(conn, to: transaction_internal_transaction_path(conn, :index, id))
-  defp show_transaction(conn, id, {:error, :not_found}) do
+      end
-    conn |> put_status(404) |> render("not_found.html", transaction_hash: id)
-  end
-
-  defp show_transaction(conn, id, {:ok, %Chain.Transaction{} = transaction}) do
-    if Chain.transaction_has_token_transfers?(transaction.hash) do
-      redirect(conn, to: transaction_token_transfer_path(conn, :index, id))
     else
-      redirect(conn, to: transaction_internal_transaction_path(conn, :index, id))
+      :error -> conn |> put_status(422) |> render("invalid.html", transaction_hash: id)
+      {:error, :not_found} -> conn |> put_status(404) |> render("not_found.html", transaction_hash: id)
     end
   end
 end

apps/block_scout_web/lib/block_scout_web/controllers/transaction_internal_transaction_controller.ex

@@ -17,7 +17,8 @@ defmodule BlockScoutWeb.TransactionInternalTransactionController do
             necessity_by_association: %{
               [created_contract_address: :names] => :optional,
               [from_address: :names] => :optional,
-              [to_address: :names] => :optional
+              [to_address: :names] => :optional,
+              [transaction: :block] => :optional
             }
           ],
           paging_options(params)

apps/block_scout_web/lib/block_scout_web/controllers/transaction_raw_trace_controller.ex

@@ -19,15 +19,7 @@ defmodule BlockScoutWeb.TransactionRawTraceController do
                :token_transfers => :optional
              }
            ) do
-      options = [
+      internal_transactions = Chain.transaction_to_internal_transactions(transaction)
-        necessity_by_association: %{
-          [created_contract_address: :names] => :optional,
-          [from_address: :names] => :optional,
-          [to_address: :names] => :optional
-        }
-      ]
-
-      internal_transactions = Chain.transaction_to_internal_transactions(transaction, options)
 
       render(
         conn,

apps/explorer/lib/explorer/chain.ex

@@ -1052,7 +1052,7 @@ defmodule Explorer.Chain do
       when is_list(options) do
     necessity_by_association = Keyword.get(options, :necessity_by_association, %{})
 
-    fetch_transactions()
+    Transaction
     |> where(hash: ^hash)
     |> join_associations(necessity_by_association)
     |> Repo.one()
@@ -1953,7 +1953,6 @@ defmodule Explorer.Chain do
     |> Keyword.get(:paging_options, @default_paging_options)
     |> fetch_transactions()
     |> where([transaction], not is_nil(transaction.block_number) and not is_nil(transaction.index))
-    |> order_by([transaction], desc: transaction.block_number, desc: transaction.index)
     |> join_associations(necessity_by_association)
     |> preload([{:token_transfers, [:token, :from_address, :to_address]}])
     |> Repo.all()
@@ -2146,7 +2145,7 @@ defmodule Explorer.Chain do
     |> page_internal_transaction(paging_options)
     |> limit(^paging_options.page_size)
     |> order_by([internal_transaction], asc: internal_transaction.index)
-    |> preload(transaction: :block)
+    |> preload(:transaction)
     |> Repo.all()
   end
 
@@ -2702,9 +2701,9 @@ defmodule Explorer.Chain do
 
   @spec transaction_has_token_transfers?(Hash.t()) :: boolean()
   def transaction_has_token_transfers?(transaction_hash) do
-    query = from(tt in TokenTransfer, where: tt.transaction_hash == ^transaction_hash, limit: 1, select: 1)
+    query = from(tt in TokenTransfer, where: tt.transaction_hash == ^transaction_hash)
 
-    Repo.one(query) != nil
+    Repo.exists?(query)
   end
 
   @spec address_tokens_with_balance(Hash.Address.t(), [any()]) :: []

apps/explorer/test/explorer/chain_test.exs

@@ -2110,11 +2110,14 @@ defmodule Explorer.ChainTest do
                  ])
              )
 
-      assert internal_transaction.transaction.block.number == block.number
+      assert internal_transaction.transaction.block_number == block.number
     end
 
     test "with transaction with internal transactions loads associations with in necessity_by_association" do
-      transaction = insert(:transaction)
+      transaction =
+        :transaction
+        |> insert()
+        |> with_block()
 
       insert(:internal_transaction_create,
         transaction: transaction,
@@ -2127,7 +2130,7 @@ defmodule Explorer.ChainTest do
                %InternalTransaction{
                  from_address: %Ecto.Association.NotLoaded{},
                  to_address: %Ecto.Association.NotLoaded{},
-                 transaction: %Transaction{}
+                 transaction: %Transaction{block: %Ecto.Association.NotLoaded{}}
                }
              ] = Chain.transaction_to_internal_transactions(transaction)
 
@@ -2135,15 +2138,15 @@ defmodule Explorer.ChainTest do
                %InternalTransaction{
                  from_address: %Address{},
                  to_address: nil,
-                 transaction: %Transaction{}
+                 transaction: %Transaction{block: %Block{}}
                }
              ] =
                Chain.transaction_to_internal_transactions(
                  transaction,
                  necessity_by_association: %{
-                   from_address: :optional,
+                   :from_address => :optional,
-                   to_address: :optional,
+                   :to_address => :optional,
-                   transaction: :optional
+                   [transaction: :block] => :optional
                  }
                )
     end