Fix created_contract_address_hash detection

CHANGELOG.md

@@ -19,6 +19,7 @@
 - [#7545](https://github.com/blockscout/blockscout/pull/7545) - API v2: Check if cached exchange rate is empty before replacing DB value in stats API
 - [#7516](https://github.com/blockscout/blockscout/pull/7516) - Fix shrinking logo in Safari
 - [#7590](https://github.com/blockscout/blockscout/pull/7590) - Drop genesis block in internal transactions fetcher
+- [#7598](https://github.com/blockscout/blockscout/pull/7598) - Fix created_contract_address_hash detection
 
 ### Chore
 

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

@@ -427,18 +427,28 @@ defmodule Explorer.Chain.Import.Runner.InternalTransactions do
     if valid_internal_transactions_count == 0 do
       {:ok, nil}
     else
+      created_contract_address_hash_map =
+        valid_internal_transactions
+        |> Enum.group_by(& &1.transaction_hash)
+        |> Enum.map(fn {transaction_hash, internal_transactions} ->
+          {transaction_hash, Enum.find_value(internal_transactions, & &1[:created_contract_address_hash])}
+        end)
+        |> Enum.into(%{})
+
       params =
         valid_internal_transactions
         |> Enum.filter(fn internal_tx ->
           internal_tx[:index] == 0
         end)
         |> Enum.map(fn trace ->
+          transaction_hash = Map.get(trace, :transaction_hash)
+
           %{
             block_hash: Map.get(trace, :block_hash),
             block_number: Map.get(trace, :block_number),
             gas_used: Map.get(trace, :gas_used),
-            transaction_hash: Map.get(trace, :transaction_hash),
-            created_contract_address_hash: Map.get(trace, :created_contract_address_hash),
+            transaction_hash: transaction_hash,
+            created_contract_address_hash: created_contract_address_hash_map[transaction_hash],
             error: Map.get(trace, :error),
             status: if(is_nil(Map.get(trace, :error)), do: :ok, else: :error)
           }