Use 'Counters::TokenTransfer' instead of the database count

apps/explorer/lib/explorer/chain.ex

@@ -38,6 +38,7 @@ defmodule Explorer.Chain do
 
   alias Explorer.Chain.Block.Reward
   alias Explorer.{PagingOptions, Repo}
+  alias Explorer.Counters.TokenTransferCounter
 
   @default_paging_options %PagingOptions{page_size: 50}
 
@@ -1922,7 +1923,7 @@ defmodule Explorer.Chain do
 
   @spec count_token_transfers_from_token_hash(Hash.t()) :: non_neg_integer()
   def count_token_transfers_from_token_hash(token_address_hash) do
-    TokenTransfer.count_token_transfers_from_token_hash(token_address_hash)
+    TokenTransferCounter.fetch(token_address_hash)
   end
 
   @spec transaction_has_token_transfers?(Hash.t()) :: boolean()

apps/explorer/lib/explorer/chain/token_transfer.ex

@@ -127,18 +127,6 @@ defmodule Explorer.Chain.TokenTransfer do
     |> Repo.all()
   end
 
-  @spec count_token_transfers_from_token_hash(Hash.t()) :: non_neg_integer()
-  def count_token_transfers_from_token_hash(token_address_hash) do
-    query =
-      from(
-        tt in TokenTransfer,
-        where: tt.token_contract_address_hash == ^token_address_hash,
-        select: count(tt.id)
-      )
-
-    Repo.one(query)
-  end
-
   def page_token_transfer(query, %PagingOptions{key: nil}), do: query
 
   def page_token_transfer(query, %PagingOptions{key: {token_id}}) do

apps/explorer/test/explorer/chain_test.exs

@@ -558,28 +558,6 @@ defmodule Explorer.ChainTest do
     end
   end
 
-  describe "count_token_transfers_from_token_hash/1" do
-    test "without token transfers" do
-      %Token{contract_address_hash: contract_address_hash} = insert(:token)
-
-      assert Chain.count_token_transfers_from_token_hash(contract_address_hash) == 0
-    end
-
-    test "with token transfers" do
-      address = insert(:address)
-
-      transaction =
-        :transaction
-        |> insert()
-        |> with_block()
-
-      %TokenTransfer{token_contract_address_hash: token_contract_address_hash} =
-        insert(:token_transfer, to_address: address, transaction: transaction)
-
-      assert Chain.count_token_transfers_from_token_hash(token_contract_address_hash) == 1
-    end
-  end
-
   describe "gas_price/2" do
     test ":wei unit" do
       assert Chain.gas_price(%Transaction{gas_price: %Wei{value: Decimal.new(1)}}, :wei) == Decimal.new(1)