Merge branch 'master' into ab-get-rid-of-cldr-warnings

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## Current
 
 ### Features
+- [#2458](https://github.com/poanetwork/blockscout/pull/2458) - Add LAST_BLOCK var to add ability indexing in the range of blocks
 - [#2456](https://github.com/poanetwork/blockscout/pull/2456) - fetch pending transactions for geth
 
 ### Fixes

apps/indexer/config/config.exs

@@ -35,7 +35,8 @@ config :indexer,
     String.to_integer(System.get_env("TOKEN_METADATA_UPDATE_INTERVAL") || "#{2 * 24 * 60 * 60}"),
   # bytes
   memory_limit: 1 <<< 30,
-  first_block: System.get_env("FIRST_BLOCK") || "0"
+  first_block: System.get_env("FIRST_BLOCK") || "0",
+  last_block: System.get_env("LAST_BLOCK") || ""
 
 # config :indexer, Indexer.Fetcher.ReplacedTransaction.Supervisor, disabled?: true
 # config :indexer, Indexer.Fetcher.BlockReward.Supervisor, disabled?: true

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

@@ -72,7 +72,14 @@ defmodule Indexer.Block.Catchup.Fetcher do
       ) do
     Logger.metadata(fetcher: :block_catchup)
 
-    {:ok, latest_block_number} = EthereumJSONRPC.fetch_block_number_by_tag("latest", json_rpc_named_arguments)
+    {:ok, latest_block_number} =
+      case latest_block() do
+        nil ->
+          EthereumJSONRPC.fetch_block_number_by_tag("latest", json_rpc_named_arguments)
+
+        number ->
+          {:ok, number}
+      end
 
     case latest_block_number do
       # let realtime indexer get the genesis block
@@ -337,4 +344,13 @@ defmodule Indexer.Block.Catchup.Fetcher do
       _ -> 0
     end
   end
+
+  defp latest_block do
+    string_value = Application.get_env(:indexer, :last_block)
+
+    case Integer.parse(string_value) do
+      {integer, ""} -> integer
+      _ -> nil
+    end
+  end
 end

docs/env-variables.md

@@ -48,6 +48,7 @@ $ export NETWORK=POA
 | `BLOCK_TRANSFORMER` | | Transformer for blocks: base or clique. | base |  v1.3.4+ |
 | `GRAPHIQL _TRANSACTION` | | Default transaction in query to GraphiQL. | (empty) |  v1.3.4+ |
 | `FIRST_BLOCK` | | The block number, where indexing begins from. | 0 |  v1.3.8+ |
+| `LAST_BLOCK` | | The block number, where indexing stops. | (empty) | master |
 | `TXS_COUNT_CACHE_PERIOD` | | Interval in seconds to restart the task, which calculates the total txs count. | 60 * 60 * 2 |  v1.3.9+ |
 | `ADDRESS_WITH_BALANCES` <br /> `_UPDATE_INTERVAL`|  | Interval in seconds to restart the task, which calculates addresses with balances. | 30 * 60 |  v1.3.9+ |
 | `LINK_TO_OTHER_EXPLORERS` | | true/false. If true, links to other explorers are added in the footer  | (empty)  |  v1.3.0+ |