Refactor parsing of FIRST_BLOCK, LAST_BLOCK, TRACE_FIRST_BLOCK, TRACE_LAST_BLOCK env variables

CHANGELOG.md

@@ -15,6 +15,7 @@
 ### Fixes
 
 - [#8614](https://github.com/blockscout/blockscout/pull/8614) - Disable market history cataloger fetcher when exchange rates are disabled
+- [#8613](https://github.com/blockscout/blockscout/pull/8613) - Refactor parsing of FIRST_BLOCK, LAST_BLOCK, TRACE_FIRST_BLOCK, TRACE_LAST_BLOCK env variables
 - [#8572](https://github.com/blockscout/blockscout/pull/8572) - Refactor docker-compose config
 - [#8552](https://github.com/blockscout/blockscout/pull/8552) - Add CHAIN_TYPE build arg to Dockerfile
 - [#8550](https://github.com/blockscout/blockscout/pull/8550) - Sanitize paging params

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex

@@ -198,7 +198,13 @@ defmodule EthereumJSONRPC do
         params_list
       end
 
-    id_to_params = id_to_params(filtered_params)
+    filtered_params_in_range =
+      filtered_params
+      |> Enum.filter(fn
+        %{block_quantity: block_quantity} -> block_number_in_range(block_quantity)
+      end)
+
+    id_to_params = id_to_params(filtered_params_in_range)
 
     with {:ok, responses} <-
            id_to_params
@@ -348,11 +354,12 @@ defmodule EthereumJSONRPC do
   end
 
   def block_numbers_in_range(block_numbers) do
-    min_block = first_block_to_fetch(:trace_first_block)
+    min_block = Application.get_env(:indexer, :trace_first_block)
+    max_block = Application.get_env(:indexer, :trace_last_block)
 
     block_numbers
     |> Enum.filter(fn block_number ->
-      block_number >= min_block
+      block_number >= min_block && if max_block, do: block_number <= max_block, else: true
     end)
   end
 
@@ -448,6 +455,20 @@ defmodule EthereumJSONRPC do
     end
   end
 
+  @spec block_number_in_range(quantity) :: boolean()
+  defp block_number_in_range(block_quantity) do
+    min_block = Application.get_env(:indexer, :trace_first_block)
+    max_block = Application.get_env(:indexer, :trace_last_block)
+    block_number = quantity_to_integer(block_quantity)
+
+    if !block_number ||
+         (block_number && block_number >= min_block && if(max_block, do: block_number <= max_block, else: true)) do
+      true
+    else
+      false
+    end
+  end
+
   defp maybe_replace_url(url, _replace_url, EthereumJSONRPC.HTTP), do: url
   defp maybe_replace_url(url, replace_url, _), do: EndpointAvailabilityObserver.maybe_replace_url(url, replace_url)
 
@@ -562,13 +583,4 @@ defmodule EthereumJSONRPC do
 
   defp chunk_requests(requests, nil), do: requests
   defp chunk_requests(requests, chunk_size), do: Enum.chunk_every(requests, chunk_size)
-
-  def first_block_to_fetch(config) do
-    string_value = Application.get_env(:indexer, config)
-
-    case Integer.parse(string_value) do
-      {integer, ""} -> integer
-      _ -> 0
-    end
-  end
 end

apps/explorer/lib/explorer/chain.ex

@@ -1151,7 +1151,7 @@ defmodule Explorer.Chain do
            select_repo(options).aggregate(Transaction, :min, :block_number) do
       min_block_number =
         min_block_number
-        |> Decimal.max(EthereumJSONRPC.first_block_to_fetch(:trace_first_block))
+        |> Decimal.max(Application.get_env(:indexer, :trace_first_block))
         |> Decimal.to_integer()
 
       query =
@@ -1778,15 +1778,18 @@ defmodule Explorer.Chain do
     if Application.get_env(:indexer, Indexer.Supervisor)[:enabled] do
       %{min: min_saved_block_number, max: max_saved_block_number} = BlockNumber.get_all()
 
-      min_blockchain_block_number = min_block_number_from_config(:first_block)
+      min_blockchain_block_number = Application.get_env(:indexer, :first_block)
 
       case {min_saved_block_number, max_saved_block_number} do
         {0, 0} ->
           Decimal.new(0)
 
         _ ->
-          BlockCache.estimated_count()
-          |> Decimal.div(max_saved_block_number - min_blockchain_block_number + 1)
+          divisor = max_saved_block_number - min_blockchain_block_number + 1
+
+          ratio = get_ratio(BlockCache.estimated_count(), divisor)
+
+          ratio
           |> (&if(
                 greater_or_equal_0_99(&1) &&
                   min_saved_block_number <= min_blockchain_block_number,
@@ -1807,7 +1810,7 @@ defmodule Explorer.Chain do
       %{max: max_saved_block_number} = BlockNumber.get_all()
       pbo_count = PendingBlockOperationCache.estimated_count()
 
-      min_blockchain_trace_block_number = min_block_number_from_config(:trace_first_block)
+      min_blockchain_trace_block_number = Application.get_env(:indexer, :trace_first_block)
 
       case max_saved_block_number do
         0 ->
@@ -1815,10 +1818,11 @@ defmodule Explorer.Chain do
 
         _ ->
           full_blocks_range = max_saved_block_number - min_blockchain_trace_block_number + 1
-          processed_int_txs_for_blocks_count = full_blocks_range - pbo_count
+          processed_int_txs_for_blocks_count = max(0, full_blocks_range - pbo_count)
 
-          processed_int_txs_for_blocks_count
-          |> Decimal.div(full_blocks_range)
+          ratio = get_ratio(processed_int_txs_for_blocks_count, full_blocks_range)
+
+          ratio
           |> (&if(
                 greater_or_equal_0_99(&1),
                 do: Decimal.new(1),
@@ -1831,20 +1835,19 @@ defmodule Explorer.Chain do
     end
   end
 
+  @spec get_ratio(non_neg_integer(), non_neg_integer()) :: Decimal.t()
+  defp get_ratio(dividend, divisor) do
+    if divisor > 0,
+      do: dividend |> Decimal.div(divisor),
+      else: Decimal.new(1)
+  end
+
   @spec greater_or_equal_0_99(Decimal.t()) :: boolean()
   defp greater_or_equal_0_99(value) do
     Decimal.compare(value, Decimal.from_float(0.99)) == :gt ||
       Decimal.compare(value, Decimal.from_float(0.99)) == :eq
   end
 
-  @spec min_block_number_from_config(atom()) :: integer()
-  defp min_block_number_from_config(block_type) do
-    case Integer.parse(Application.get_env(:indexer, block_type)) do
-      {block_number, _} -> block_number
-      _ -> 0
-    end
-  end
-
   @spec format_indexed_ratio(Decimal.t()) :: Decimal.t()
   defp format_indexed_ratio(raw_ratio) do
     raw_ratio

apps/explorer/lib/explorer/chain/import/runner/blocks.ex

@@ -60,11 +60,15 @@ defmodule Explorer.Chain.Import.Runner.Blocks do
 
     hashes = Enum.map(changes_list, & &1.hash)
 
-    minimal_block_height = trace_minimal_block_height()
+    minimal_block_height = Application.get_env(:indexer, :trace_first_block)
+    maximal_block_height = Application.get_env(:indexer, :trace_last_block)
 
     items_for_pending_ops =
       changes_list
-      |> filter_by_min_height(&(&1.number >= minimal_block_height))
+      |> filter_by_height_range(
+        &(&1.number >= minimal_block_height &&
+            if(maximal_block_height, do: &1.number <= maximal_block_height, else: true))
+      )
       |> Enum.filter(& &1.consensus)
       |> Enum.map(&{&1.number, &1.hash})
 
@@ -74,7 +78,7 @@ defmodule Explorer.Chain.Import.Runner.Blocks do
     run_func = fn repo ->
       {:ok, nonconsensus_items} = lose_consensus(repo, hashes, consensus_block_numbers, changes_list, insert_options)
 
-      {:ok, filter_by_min_height(nonconsensus_items, fn {number, _hash} -> number >= minimal_block_height end)}
+      {:ok, filter_by_height_range(nonconsensus_items, fn {number, _hash} -> number >= minimal_block_height end)}
     end
 
     multi
@@ -414,10 +418,6 @@ defmodule Explorer.Chain.Import.Runner.Blocks do
     lose_consensus(ExplorerRepo, [], block_numbers, [], opts)
   end
 
-  defp trace_minimal_block_height do
-    EthereumJSONRPC.first_block_to_fetch(:trace_first_block)
-  end
-
   defp new_pending_operations(repo, nonconsensus_items, items, %{
          timeout: timeout,
          timestamps: timestamps
@@ -893,10 +893,11 @@ defmodule Explorer.Chain.Import.Runner.Blocks do
     where(invalid_neighbors_query, [block], block.consensus)
   end
 
-  defp filter_by_min_height(blocks, filter_func) do
-    minimal_block_height = trace_minimal_block_height()
+  defp filter_by_height_range(blocks, filter_func) do
+    minimal_block_height = Application.get_env(:indexer, :trace_first_block)
+    maximal_block_height = Application.get_env(:indexer, :trace_last_block)
 
-    if minimal_block_height > 0 do
+    if minimal_block_height > 0 || maximal_block_height do
       Enum.filter(blocks, &filter_func.(&1))
     else
       blocks

apps/explorer/lib/explorer/chain/import/runner/internal_transactions.ex

@@ -15,7 +15,7 @@ defmodule Explorer.Chain.Import.Runner.InternalTransactions do
   alias Explorer.Repo, as: ExplorerRepo
   alias Explorer.Utility.MissingRangesManipulator
 
-  import Ecto.Query, only: [from: 2]
+  import Ecto.Query, only: [from: 2, where: 3]
 
   @behaviour Runner
 
@@ -691,7 +691,8 @@ defmodule Explorer.Chain.Import.Runner.InternalTransactions do
   end
 
   defp remove_consensus_of_invalid_blocks(repo, invalid_block_numbers) do
-    minimal_block = EthereumJSONRPC.first_block_to_fetch(:trace_first_block)
+    minimal_block = Application.get_env(:indexer, :trace_first_block)
+    maximal_block = Application.get_env(:indexer, :trace_last_block)
 
     if Enum.count(invalid_block_numbers) > 0 do
       update_query =
@@ -704,6 +705,9 @@ defmodule Explorer.Chain.Import.Runner.InternalTransactions do
           update: [set: [consensus: false]]
         )
 
+      update_query =
+        if maximal_block, do: update_query |> where([block], block.number < ^maximal_block), else: update_query
+
       try do
         {_num, result} = repo.update_all(update_query, [])
 

apps/explorer/test/explorer/chain_test.exs

@@ -1478,7 +1478,7 @@ defmodule Explorer.ChainTest do
       Supervisor.restart_child(Explorer.Supervisor, Explorer.Chain.Cache.Block.child_id())
 
       on_exit(fn ->
-        Application.put_env(:indexer, :first_block, "")
+        Application.put_env(:indexer, :first_block, 0)
       end)
     end
 
@@ -1508,7 +1508,7 @@ defmodule Explorer.ChainTest do
     end
 
     test "returns 1.0 if fully indexed blocks starting from given FIRST_BLOCK" do
-      Application.put_env(:indexer, :first_block, "5")
+      Application.put_env(:indexer, :first_block, 5)
 
       for index <- 5..9 do
         insert(:block, number: index, consensus: true)
@@ -1527,7 +1527,7 @@ defmodule Explorer.ChainTest do
       Supervisor.restart_child(Explorer.Supervisor, PendingBlockOperationCache.child_id())
 
       on_exit(fn ->
-        Application.put_env(:indexer, :trace_first_block, "")
+        Application.put_env(:indexer, :trace_first_block, 0)
         Supervisor.terminate_child(Explorer.Supervisor, PendingBlockOperationCache.child_id())
       end)
     end
@@ -1559,7 +1559,7 @@ defmodule Explorer.ChainTest do
     end
 
     test "returns 1.0 if fully indexed blocks with internal transactions starting from given TRACE_FIRST_BLOCK" do
-      Application.put_env(:indexer, :trace_first_block, "5")
+      Application.put_env(:indexer, :trace_first_block, 5)
 
       for index <- 5..9 do
         insert(:block, number: index)

apps/indexer/lib/indexer/block/catchup/missing_ranges_collector.ex

@@ -182,27 +182,19 @@ defmodule Indexer.Block.Catchup.MissingRangesCollector do
   end
 
   defp first_block do
-    string_value = Application.get_env(:indexer, :first_block)
+    first_block_from_config = Application.get_env(:indexer, :first_block)
 
-    case Integer.parse(string_value) do
-      {integer, ""} ->
-        integer
+    min_missing_block_number =
+      "min_missing_block_number"
+      |> Chain.get_last_fetched_counter()
+      |> Decimal.to_integer()
 
-      _ ->
-        min_missing_block_number =
-          "min_missing_block_number"
-          |> Chain.get_last_fetched_counter()
-          |> Decimal.to_integer()
-
-        min_missing_block_number
-    end
+    max(first_block_from_config, min_missing_block_number)
   end
 
   defp last_block do
-    case Integer.parse(Application.get_env(:indexer, :last_block)) do
-      {block, ""} -> block + 1
-      _ -> fetch_max_block_number()
-    end
+    last_block = Application.get_env(:indexer, :last_block)
+    if last_block, do: last_block + 1, else: fetch_max_block_number()
   end
 
   defp fetch_max_block_number do
@@ -221,9 +213,12 @@ defmodule Indexer.Block.Catchup.MissingRangesCollector do
   end
 
   defp continue_future_updating?(max_fetched_block_number) do
-    case Integer.parse(Application.get_env(:indexer, :last_block)) do
-      {block, ""} -> max_fetched_block_number < block
-      _ -> true
+    last_block = Application.get_env(:indexer, :last_block)
+
+    if last_block do
+      max_fetched_block_number < last_block
+    else
+      true
     end
   end
 

apps/indexer/lib/indexer/fetcher/coin_balance.ex

@@ -83,9 +83,12 @@ defmodule Indexer.Fetcher.CoinBalance do
     # `{address, block}`, so take unique params only
     unique_entries = Enum.uniq(entries)
 
+    min_block = Application.get_env(:indexer, :trace_first_block)
+    max_block = Application.get_env(:indexer, :trace_last_block)
+
     unique_filtered_entries =
       Enum.filter(unique_entries, fn {_hash, block_number} ->
-        block_number >= EthereumJSONRPC.first_block_to_fetch(:trace_first_block)
+        block_number >= min_block && if max_block, do: block_number <= max_block, else: true
       end)
 
     unique_entry_count = Enum.count(unique_filtered_entries)

apps/indexer/lib/indexer/fetcher/internal_transaction.ex

@@ -158,7 +158,7 @@ defmodule Indexer.Fetcher.InternalTransaction do
   end
 
   defp drop_genesis(block_numbers, json_rpc_named_arguments) do
-    first_block = EthereumJSONRPC.first_block_to_fetch(:trace_first_block)
+    first_block = Application.get_env(:indexer, :trace_first_block)
 
     if first_block in block_numbers do
       case EthereumJSONRPC.fetch_blocks_by_numbers([first_block], json_rpc_named_arguments) do

apps/indexer/test/indexer/block/catchup/fetcher_test.exs

@@ -38,7 +38,7 @@ defmodule Indexer.Block.Catchup.FetcherTest do
   describe "import/1" do
     setup do
       configuration = Application.get_env(:indexer, :last_block)
-      Application.put_env(:indexer, :last_block, "0")
+      Application.put_env(:indexer, :last_block, 0)
 
       on_exit(fn ->
         Application.put_env(:indexer, :last_block, configuration)

apps/indexer/test/indexer/block/catchup/missing_ranges_collector_test.exs

@@ -36,8 +36,8 @@ defmodule Indexer.Block.Catchup.MissingRangesCollectorTest do
     end
 
     test "FIRST_BLOCK and LAST_BLOCK envs" do
-      Application.put_env(:indexer, :first_block, "100")
-      Application.put_env(:indexer, :last_block, "200")
+      Application.put_env(:indexer, :first_block, 100)
+      Application.put_env(:indexer, :last_block, 200)
 
       insert(:missing_block_range, from_number: 250, to_number: 220)
       insert(:missing_block_range, from_number: 220, to_number: 190)

config/config_helper.exs

@@ -45,6 +45,17 @@ defmodule ConfigHelper do
     end
   end
 
+  @spec parse_integer_or_nil_env_var(String.t()) :: non_neg_integer() | nil
+  def parse_integer_or_nil_env_var(env_var) do
+    env_var
+    |> System.get_env("")
+    |> Integer.parse()
+    |> case do
+      {integer, _} -> integer
+      _ -> nil
+    end
+  end
+
   @spec parse_time_env_var(String.t(), String.t() | nil) :: non_neg_integer()
   def parse_time_env_var(env_var, default_value) do
     case env_var |> safe_get_env(default_value) |> String.downcase() |> Integer.parse() do

config/runtime.exs

@@ -430,10 +430,10 @@ config :indexer,
   block_transformer: ConfigHelper.block_transformer(),
   metadata_updater_milliseconds_interval: ConfigHelper.parse_time_env_var("TOKEN_METADATA_UPDATE_INTERVAL", "48h"),
   block_ranges: System.get_env("BLOCK_RANGES"),
-  first_block: System.get_env("FIRST_BLOCK") || "",
-  last_block: System.get_env("LAST_BLOCK") || "",
-  trace_first_block: System.get_env("TRACE_FIRST_BLOCK") || "",
-  trace_last_block: System.get_env("TRACE_LAST_BLOCK") || "",
+  first_block: ConfigHelper.parse_integer_env_var("FIRST_BLOCK", 0),
+  last_block: ConfigHelper.parse_integer_or_nil_env_var("LAST_BLOCK"),
+  trace_first_block: ConfigHelper.parse_integer_env_var("TRACE_FIRST_BLOCK", 0),
+  trace_last_block: ConfigHelper.parse_integer_or_nil_env_var("TRACE_LAST_BLOCK"),
   fetch_rewards_way: System.get_env("FETCH_REWARDS_WAY", "trace_block"),
   memory_limit: ConfigHelper.indexer_memory_limit(),
   receipts_batch_size: ConfigHelper.parse_integer_env_var("INDEXER_RECEIPTS_BATCH_SIZE", 250),