Merge pull request #1768 from poanetwork/ab-fix-first-block-parameter

fix first block parameter

CHANGELOG.md

@@ -13,6 +13,7 @@
  - [#1740](https://github.com/poanetwork/blockscout/pull/1740) - fix empty block time
  - [#1743](https://github.com/poanetwork/blockscout/pull/1743) - sort decompiled smart contracts in lexicographical order
  - [#1756](https://github.com/poanetwork/blockscout/pull/1756) - add today's token balance from the previous value
+ - [#1768](https://github.com/poanetwork/blockscout/pull/1768) - fix first block parameter
  - [#1778](https://github.com/poanetwork/blockscout/pull/1778) - Make websocket optional for realtime fetcher
 
 ### Chore

apps/indexer/config/config.exs

@@ -34,7 +34,7 @@ config :indexer,
   metadata_updater_days_interval: 2,
   # bytes
   memory_limit: 1 <<< 30,
-  first_block: System.get_env("FIRST_BLOCK") || 0
+  first_block: System.get_env("FIRST_BLOCK") || "0"
 
 # config :indexer, Indexer.Fetcher.ReplacedTransaction.Supervisor, disabled?: true
 # config :indexer, Indexer.Fetcher.BlockReward.Supervisor, disabled?: true

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

@@ -82,7 +82,7 @@ defmodule Indexer.Block.Catchup.Fetcher do
       _ ->
         # realtime indexer gets the current latest block
         first = latest_block_number - 1
-        last = Application.get_env(:indexer, :first_block)
+        last = last_block()
 
         Logger.metadata(first_block_number: first, last_block_number: last)
 
@@ -328,4 +328,13 @@ defmodule Indexer.Block.Catchup.Fetcher do
       {:error, :queue_unavailable}
     end
   end
+
+  defp last_block do
+    string_value = Application.get_env(:indexer, :first_block)
+
+    case Integer.parse(string_value) do
+      {integer, ""} -> integer
+      _ -> 0
+    end
+  end
 end