Added test that contract_creadted_address_hash is nil if to_address is not nil

apps/explorer/test/explorer/import_test.exs

@@ -179,5 +179,74 @@ defmodule Explorer.Chain.ImportTest do
 
       refute transaction.created_contract_address_hash == nil
     end
+
+    test "when the transaction has a to_address and an internal transaction with type create it does not populates the denormalized created_contract_address_hash" do
+      smart_contract_bytecode =
+        "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"
+
+      from_address_hash = "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca"
+      to_address_hash = "0xf7ddc5c7a2d2f0d7a9798459c0104fdf5e9a7bbb"
+      created_contract_address_hash = "0x8bf38d4764929064f2d4d3a56520a76ab3df415b"
+      transaction_hash = "0x3a3eb134e6792ce9403ea4188e5e79693de9e4c94e499db132be086400da79e6"
+
+      options = %{
+        addresses: %{
+          params: [
+            %{hash: from_address_hash},
+            %{
+              contract_code: smart_contract_bytecode,
+              hash: created_contract_address_hash
+            }
+          ]
+        },
+        transactions: %{
+          params: [
+            %{
+              from_address_hash: from_address_hash,
+              to_address_hash: from_address_hash,
+              gas: 4_677_320,
+              gas_price: 1,
+              hash: transaction_hash,
+              input: "0x",
+              nonce: 0,
+              r: 0,
+              s: 0,
+              v: 0,
+              value: 0
+            }
+          ],
+          on_conflict: :replace_all
+        },
+        internal_transactions: %{
+          params: [
+            %{
+              block_number: 35,
+              call_type: "call",
+              created_contract_code: smart_contract_bytecode,
+              created_contract_address_hash: created_contract_address_hash,
+              from_address_hash: from_address_hash,
+              gas: 4_677_320,
+              gas_used: 27770,
+              index: 0,
+              init:
+                "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",
+              output: "0x",
+              trace_address: [],
+              transaction_hash: transaction_hash,
+              type: "create",
+              value: 0
+            }
+          ]
+        }
+      }
+
+      assert {:ok, _} = Import.all(options)
+
+      transaction =
+        Explorer.Repo.one(from(transaction in Explorer.Chain.Transaction, where: transaction.hash == ^transaction_hash))
+
+      assert transaction.created_contract_address_hash == nil
+    end
   end
+
 end