Use address_current_token_balances in address tokens tab

apps/block_scout_web/lib/block_scout_web/templates/address_token/_tokens.html.eex

@@ -8,7 +8,7 @@
         ) do %>
         <%= token_name(@token) %>
       <% end %>
-      <span><%= @token.type %> - <%= number_of_transfers(@token) %></span>
+      <span><%= @token.type %> - <%= @token.contract_address_hash %></span>
     </div>
     <div class="col-md-5 d-flex flex-column text-md-right mt-3 mt-md-0">
       <span class="tile-title-lg text-md-right align-bottom">

apps/block_scout_web/lib/block_scout_web/views/address_token_view.ex

@@ -1,7 +1,3 @@
 defmodule BlockScoutWeb.AddressTokenView do
   use BlockScoutWeb, :view
-
-  def number_of_transfers(token) do
-    ngettext("%{count} transfer", "%{count} transfers", token.transfers_count)
-  end
 end

apps/block_scout_web/test/block_scout_web/controllers/address_token_controller_test.exs

@@ -33,14 +33,14 @@ defmodule BlockScoutWeb.AddressTokenControllerTest do
         |> insert(name: "token2")
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token1.contract_address_hash,
         value: 1000
       )
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token2.contract_address_hash,
         value: 0
@@ -82,13 +82,12 @@ defmodule BlockScoutWeb.AddressTokenControllerTest do
           token = insert(:token, name: "A Token#{i}", type: "ERC-20")
 
           insert(
-            :token_balance,
+            :address_current_token_balance,
             token_contract_address_hash: token.contract_address_hash,
             address: address,
             value: 1000
           )
 
-          insert(:token_transfer, token_contract_address: token.contract_address, from_address: address)
           acc ++ [token.name]
         end)
         |> Enum.sort()
@@ -96,21 +95,21 @@ defmodule BlockScoutWeb.AddressTokenControllerTest do
       token = insert(:token, name: "Another Token", type: "ERC-721")
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         token_contract_address_hash: token.contract_address_hash,
         address: address,
         value: 1000
       )
 
-      insert(:token_transfer, token: token, from_address: address)
-      %Token{name: name, type: type} = token
+      %Token{name: name, type: type, inserted_at: inserted_at} = token
 
       start_supervised!(BlockValidationCounter)
 
       conn =
         get(conn, address_token_path(BlockScoutWeb.Endpoint, :index, address.hash), %{
-          "name" => name,
-          "type" => type
+          "token_name" => name,
+          "token_type" => type,
+          "token_inserted_at" => inserted_at
         })
 
       actual_tokens =
@@ -128,7 +127,7 @@ defmodule BlockScoutWeb.AddressTokenControllerTest do
         token = insert(:token, name: "A Token#{i}", type: "ERC-20")
 
         insert(
-          :token_balance,
+          :address_current_token_balance,
           token_contract_address_hash: token.contract_address_hash,
           address: address,
           value: 1000

apps/block_scout_web/test/block_scout_web/features/viewing_addresses_test.exs

@@ -429,7 +429,7 @@ defmodule BlockScoutWeb.ViewingAddressesTest do
         token_contract_address: contract_address
       )
 
-      insert(:token_balance, address: lincoln, token_contract_address_hash: contract_address.hash)
+      insert(:address_current_token_balance, address: lincoln, token_contract_address_hash: contract_address.hash)
 
       start_supervised!(BlockValidationCounter)
       BlockValidationCounter.consolidate_blocks()

apps/block_scout_web/test/block_scout_web/views/address_token_view_test.exs

@@ -1,25 +0,0 @@
-defmodule BlockScoutWeb.AddressTokenViewTest do
-  use BlockScoutWeb.ConnCase, async: true
-
-  alias BlockScoutWeb.AddressTokenView
-
-  describe "number_of_transfers/1" do
-    test "returns the singular form when there is only one transfer" do
-      token = %{transfers_count: 1}
-
-      assert AddressTokenView.number_of_transfers(token) == "1 transfer"
-    end
-
-    test "returns the plural form when there is more than one transfer" do
-      token = %{transfers_count: 2}
-
-      assert AddressTokenView.number_of_transfers(token) == "2 transfers"
-    end
-
-    test "returns the plural form when there are 0 transfers" do
-      token = %{transfers_count: 0}
-
-      assert AddressTokenView.number_of_transfers(token) == "0 transfers"
-    end
-  end
-end

apps/explorer/lib/explorer/chain/address/token.ex

@@ -16,9 +16,10 @@ defmodule Explorer.Chain.Address.Token do
   import Ecto.Query
 
   alias Explorer.{Chain, PagingOptions}
-  alias Explorer.Chain.{Address, Address.TokenBalance, Hash}
+  alias Explorer.Chain.{Address, Hash}
+  alias Explorer.Chain.Address.CurrentTokenBalance
 
-  @enforce_keys [:contract_address_hash, :inserted_at, :name, :symbol, :balance, :decimals, :type, :transfers_count]
+  @enforce_keys [:contract_address_hash, :inserted_at, :name, :symbol, :balance, :decimals, :type]
   defstruct @enforce_keys
 
   @default_paging_options %PagingOptions{page_size: 50}
@@ -31,20 +32,18 @@ defmodule Explorer.Chain.Address.Token do
   def list_address_tokens_with_balance(address_hash, options \\ []) do
     paging_options = Keyword.get(options, :paging_options, @default_paging_options)
 
-    Chain.Token
-    |> Chain.Token.join_with_transfers()
-    |> join_with_last_balance(address_hash)
-    |> order_filter_and_group(address_hash)
+    address_hash
+    |> join_with_last_balance()
+    |> order_filter_and_group()
     |> page_tokens(paging_options)
     |> limit(^paging_options.page_size)
   end
 
-  defp order_filter_and_group(query, address_hash) do
+  defp order_filter_and_group(query) do
     from(
-      [token, transfer, balance] in query,
+      [token, balance] in query,
       order_by: fragment("? DESC, LOWER(?) ASC NULLS LAST", token.type, token.name),
-      where:
-        (transfer.to_address_hash == ^address_hash or transfer.from_address_hash == ^address_hash) and balance.value > 0,
+      where: balance.value > 0,
       group_by: [token.name, token.symbol, balance.value, token.type, token.contract_address_hash],
       select: %Address.Token{
         contract_address_hash: token.contract_address_hash,
@@ -53,24 +52,21 @@ defmodule Explorer.Chain.Address.Token do
         symbol: token.symbol,
         balance: balance.value,
         decimals: max(token.decimals),
-        type: token.type,
-        transfers_count: count(token.contract_address_hash)
+        type: token.type
       }
     )
   end
 
-  defp join_with_last_balance(queryable, address_hash) do
+  defp join_with_last_balance(address_hash) do
     last_balance_query =
       from(
-        tb in TokenBalance,
+        tb in CurrentTokenBalance,
         where: tb.address_hash == ^address_hash,
-        distinct: :token_contract_address_hash,
-        order_by: [desc: :block_number],
         select: %{value: tb.value, token_contract_address_hash: tb.token_contract_address_hash}
       )
 
     from(
-      t in queryable,
+      t in Chain.Token,
       join: tb in subquery(last_balance_query),
       on: tb.token_contract_address_hash == t.contract_address_hash
     )

apps/explorer/lib/explorer/chain/token.ex

@@ -22,7 +22,7 @@ defmodule Explorer.Chain.Token do
   import Ecto.{Changeset, Query}
 
   alias Ecto.Changeset
-  alias Explorer.Chain.{Address, Hash, Token, TokenTransfer}
+  alias Explorer.Chain.{Address, Hash, Token}
 
   @typedoc """
   * `:name` - Name of the token
@@ -87,14 +87,6 @@ defmodule Explorer.Chain.Token do
     end
   end
 
-  def join_with_transfers(queryable \\ Token) do
-    from(
-      t in queryable,
-      join: tt in TokenTransfer,
-      on: tt.token_contract_address_hash == t.contract_address_hash
-    )
-  end
-
   @doc """
   Builds an `Ecto.Query` to fetch the cataloged tokens.
 

apps/explorer/test/explorer/chain/address/token_test.exs

@@ -16,26 +16,12 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token.contract_address_hash,
         value: 1000
       )
 
-      insert(
-        :token_transfer,
-        token_contract_address: token.contract_address,
-        from_address: address,
-        to_address: build(:address)
-      )
-
-      insert(
-        :token_transfer,
-        token_contract_address: token.contract_address,
-        from_address: build(:address),
-        to_address: address
-      )
-
       fetched_token =
         address.hash
         |> Address.Token.list_address_tokens_with_balance()
@@ -49,8 +35,7 @@ defmodule Explorer.Chain.Address.TokenTest do
                symbol: "TC",
                balance: Decimal.new(1000),
                decimals: Decimal.new(0),
-               type: "ERC-721",
-               transfers_count: 2
+               type: "ERC-721"
              }
     end
 
@@ -63,7 +48,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token.contract_address_hash,
         value: 1000
@@ -82,7 +67,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token2.contract_address_hash,
         value: 1000
@@ -113,7 +98,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token.contract_address_hash,
         value: 1000
@@ -132,7 +117,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token2.contract_address_hash,
         value: 1000
@@ -151,7 +136,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token3.contract_address_hash,
         value: 1000
@@ -182,7 +167,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token.contract_address_hash,
         value: 1000
@@ -201,7 +186,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token2.contract_address_hash,
         value: 1000
@@ -220,7 +205,7 @@ defmodule Explorer.Chain.Address.TokenTest do
         |> Repo.preload(:contract_address)
 
       insert(
-        :token_balance,
+        :address_current_token_balance,
         address: address,
         token_contract_address_hash: token3.contract_address_hash,
         value: 1000
@@ -267,44 +252,6 @@ defmodule Explorer.Chain.Address.TokenTest do
       assert fetched_token == nil
     end
 
-    test "brings the value of the last balance" do
-      address = insert(:address)
-
-      token =
-        :token
-        |> insert(name: "atoken", type: "ERC-721", decimals: 0, symbol: "AT")
-        |> Repo.preload(:contract_address)
-
-      insert(
-        :token_balance,
-        address: address,
-        token_contract_address_hash: token.contract_address_hash,
-        value: 1000
-      )
-
-      insert(
-        :token_balance,
-        address: address,
-        token_contract_address_hash: token.contract_address_hash,
-        value: 1234
-      )
-
-      insert(
-        :token_transfer,
-        token_contract_address: token.contract_address,
-        from_address: address,
-        to_address: build(:address)
-      )
-
-      fetched_token =
-        address.hash
-        |> Address.Token.list_address_tokens_with_balance()
-        |> Repo.all()
-        |> List.first()
-
-      assert fetched_token.balance == Decimal.new(1234)
-    end
-
     test "ignores token if the last balance is zero" do
       address = insert(:address)