Merge pull request #5458 from blockscout/vb-decrease-min-safe-polling-period-rt-fetcher

Decrease min safe polling period for realtime fetcher

CHANGELOG.md

@@ -29,6 +29,7 @@
 - [#5239](https://github.com/blockscout/blockscout/pull/5239) - Add accounting for block rewards in `getblockreward` api method
 
 ### Chore
+- [#5458](https://github.com/blockscout/blockscout/pull/5458) - Decrease min safe polling period for realtime fetcher
 - [#5456](https://github.com/blockscout/blockscout/pull/5456) - Ignore arbitrary block details fields for custom Ethereum clients
 - [#5450](https://github.com/blockscout/blockscout/pull/5450) - Logging error in publishing of smart-contract
 - [#5433](https://github.com/blockscout/blockscout/pull/5433) - Caching modules refactoring

apps/explorer/lib/explorer/counters/average_block_time.ex

@@ -130,7 +130,7 @@ defmodule Explorer.Counters.AverageBlockTime do
   end
 
   defp average_block_cache_period do
-    case Integer.parse(System.get_env("CACE_AVERAGE_BLOCK_PERIOD", "")) do
+    case Integer.parse(System.get_env("CACHE_AVERAGE_BLOCK_PERIOD", "")) do
       {secs, ""} -> :timer.seconds(secs)
       _ -> :timer.minutes(30)
     end

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

@@ -37,7 +37,7 @@ defmodule Indexer.Block.Realtime.Fetcher do
 
   @behaviour Block.Fetcher
 
-  @minimum_safe_polling_period :timer.seconds(5)
+  @minimum_safe_polling_period :timer.seconds(1)
 
   @enforce_keys ~w(block_fetcher)a
   defstruct ~w(block_fetcher subscription previous_number max_number_seen timer)a