Refactoring

apps/block_scout_web/lib/block_scout_web/controllers/transaction_raw_trace_controller.ex

@@ -36,7 +36,7 @@ defmodule BlockScoutWeb.TransactionRawTraceController do
           internal_transactions
         else
           {:ok, first_trace_params} =
-            Keyword.fetch!(json_rpc_named_arguments, :variant).fetch_first_trace(
+            Chain.fetch_first_trace(
               [
                 %{
                   block_hash: transaction.block_hash,

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/parity.ex

@@ -8,10 +8,6 @@ defmodule EthereumJSONRPC.Parity do
   alias EthereumJSONRPC.Parity.{FetchedBeneficiaries, Traces}
   alias EthereumJSONRPC.{Transaction, Transactions}
 
-  alias Explorer.Chain
-  alias Explorer.Chain.{Data, Wei}
-  alias Explorer.Chain.InternalTransaction.{CallType, Type}
-
   @behaviour EthereumJSONRPC.Variant
 
   @impl EthereumJSONRPC.Variant
@@ -53,6 +49,24 @@ defmodule EthereumJSONRPC.Parity do
     end
   end
 
+  @impl EthereumJSONRPC.Variant
+  def fetch_first_trace(transactions_params, json_rpc_named_arguments) when is_list(transactions_params) do
+    id_to_params = id_to_params(transactions_params)
+
+    with {:ok, responses} <-
+           id_to_params
+           |> trace_replay_transaction_requests()
+           |> json_rpc(json_rpc_named_arguments) do
+      {:ok, [first_trace]} = trace_replay_transaction_responses_to_first_trace_params(responses, id_to_params)
+
+      %{block_hash: block_hash} =
+        transactions_params
+        |> Enum.at(0)
+
+      {:ok, [%{first_trace: first_trace, block_hash: block_hash, json_rpc_named_arguments: json_rpc_named_arguments}]}
+    end
+  end
+
   @doc """
   Fetches the pending transactions from the Parity node.
 
@@ -172,138 +186,7 @@ defmodule EthereumJSONRPC.Parity do
     request(%{id: id, method: "trace_replayBlockTransactions", params: [integer_to_quantity(block_number), ["trace"]]})
   end
 
-  @doc """
+  def trace_replay_transaction_responses_to_first_trace_params(responses, id_to_params)
-  Fetches the first trace from the Parity trace URL.
-  """
-  @impl EthereumJSONRPC.Variant
-  def fetch_first_trace(transactions_params, json_rpc_named_arguments) when is_list(transactions_params) do
-    id_to_params = id_to_params(transactions_params)
-
-    with {:ok, responses} <-
-           id_to_params
-           |> trace_replay_transaction_requests()
-           |> json_rpc(json_rpc_named_arguments) do
-      {:ok, [first_trace]} = trace_replay_transaction_responses_to_first_trace_params(responses, id_to_params)
-
-      %{block_hash: block_hash} =
-        transactions_params
-        |> Enum.at(0)
-
-      {:ok, to_address_hash} =
-        if Map.has_key?(first_trace, :to_address_hash) do
-          Chain.string_to_address_hash(first_trace.to_address_hash)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, from_address_hash} = Chain.string_to_address_hash(first_trace.from_address_hash)
-
-      {:ok, created_contract_address_hash} =
-        if Map.has_key?(first_trace, :created_contract_address_hash) do
-          Chain.string_to_address_hash(first_trace.created_contract_address_hash)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, transaction_hash} = Chain.string_to_transaction_hash(first_trace.transaction_hash)
-
-      {:ok, call_type} =
-        if Map.has_key?(first_trace, :call_type) do
-          CallType.load(first_trace.call_type)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, type} = Type.load(first_trace.type)
-
-      {:ok, input} =
-        if Map.has_key?(first_trace, :input) do
-          Data.cast(first_trace.input)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, output} =
-        if Map.has_key?(first_trace, :output) do
-          Data.cast(first_trace.output)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, created_contract_code} =
-        if Map.has_key?(first_trace, :created_contract_code) do
-          Data.cast(first_trace.created_contract_code)
-        else
-          {:ok, nil}
-        end
-
-      {:ok, init} =
-        if Map.has_key?(first_trace, :init) do
-          Data.cast(first_trace.init)
-        else
-          {:ok, nil}
-        end
-
-      block_index =
-        get_block_index(%{
-          transaction_index: first_trace.transaction_index,
-          transaction_hash: first_trace.transaction_hash,
-          block_number: first_trace.block_number,
-          json_rpc_named_arguments: json_rpc_named_arguments
-        })
-
-      value = %Wei{value: Decimal.new(first_trace.value)}
-
-      first_trace_formatted =
-        first_trace
-        |> Map.merge(%{
-          block_index: block_index,
-          block_hash: block_hash,
-          call_type: call_type,
-          to_address_hash: to_address_hash,
-          created_contract_address_hash: created_contract_address_hash,
-          from_address_hash: from_address_hash,
-          input: input,
-          output: output,
-          created_contract_code: created_contract_code,
-          init: init,
-          transaction_hash: transaction_hash,
-          type: type,
-          value: value
-        })
-
-      {:ok, [first_trace_formatted]}
-    end
-  end
-
-  defp get_block_index(%{
-         transaction_index: transaction_index,
-         transaction_hash: transaction_hash,
-         block_number: block_number,
-         json_rpc_named_arguments: json_rpc_named_arguments
-       }) do
-    if transaction_index == 0 do
-      0
-    else
-      {:ok, traces} = fetch_block_internal_transactions([block_number], json_rpc_named_arguments)
-
-      sorted_traces =
-        traces
-        |> Enum.sort_by(&{&1.transaction_index, &1.index})
-        |> Enum.with_index()
-
-      {_, block_index} =
-        sorted_traces
-        |> Enum.find(fn {trace, _} ->
-          trace.transaction_index == transaction_index &&
-            trace.transaction_hash == transaction_hash
-        end)
-
-      block_index
-    end
-  end
-
-  defp trace_replay_transaction_responses_to_first_trace_params(responses, id_to_params)
       when is_list(responses) and is_map(id_to_params) do
     with {:ok, traces} <- trace_replay_transaction_responses_to_first_trace(responses, id_to_params) do
       params =

apps/ethereum_jsonrpc/test/ethereum_jsonrpc/parity_test.exs

@@ -6,9 +6,6 @@ defmodule EthereumJSONRPC.ParityTest do
   import Mox
 
   alias EthereumJSONRPC.FetchedBeneficiaries
-  alias Explorer.Chain
-  alias Explorer.Chain.Data
-  alias Explorer.Chain.InternalTransaction.Type
 
   setup :verify_on_exit!
 
@@ -107,8 +104,8 @@ defmodule EthereumJSONRPC.ParityTest do
     end
   end
 
-  describe "fetch_first_trace/1" do
+  describe "fetch_first_trace/2" do
-    test "with all valid block_numbers returns {:ok, first_trace_params}", %{
+    test "returns {:ok, first_trace_params}", %{
       json_rpc_named_arguments: json_rpc_named_arguments
     } do
       from_address_hash = "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca"
@@ -131,7 +128,6 @@ defmodule EthereumJSONRPC.ParityTest do
       transaction_hash = "0x0fa6f723216dba694337f9bb37d8870725655bdf2573526a39454685659e39b1"
       transaction_index = 0
       type = "create"
-      call_type = "create"
 
       if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
         expect(EthereumJSONRPC.Mox, :json_rpc, fn _json, _options ->
@@ -168,13 +164,6 @@ defmodule EthereumJSONRPC.ParityTest do
         end)
       end
 
-      {:ok, to_address_hash_bytes} = Chain.string_to_address_hash(created_contract_address_hash)
-      {:ok, from_address_hash_bytes} = Chain.string_to_address_hash(from_address_hash)
-      {:ok, created_contract_code_bytes} = Data.cast(created_contract_code)
-      {:ok, init_bytes} = Data.cast(init)
-      {:ok, transaction_hash_bytes} = Chain.string_to_transaction_hash(transaction_hash)
-      {:ok, type_bytes} = Type.load(type)
-
       assert EthereumJSONRPC.Parity.fetch_first_trace(
                [
                  %{
@@ -187,22 +176,31 @@ defmodule EthereumJSONRPC.ParityTest do
                json_rpc_named_arguments
              ) == {
                :ok,
+               [
                  %{
-                 block_index: 0,
+                   first_trace: %{
-                 block_hash: block_hash,
+                     block_number: block_number,
-                 created_contract_address_hash: to_address_hash_bytes,
+                     created_contract_address_hash: created_contract_address_hash,
-                 created_contract_code: created_contract_code_bytes,
+                     created_contract_code: created_contract_code,
-                 from_address_hash: from_address_hash_bytes,
+                     from_address_hash: from_address_hash,
                      gas: gas,
                      gas_used: gas_used,
                      index: index,
-                 init: init_bytes,
+                     init: init,
                      trace_address: trace_address,
-                 transaction_hash: transaction_hash_bytes,
+                     transaction_hash: transaction_hash,
-                 type: type_bytes,
+                     type: type,
                      value: value,
                      transaction_index: transaction_index
+                   },
+                   block_hash: block_hash,
+                   json_rpc_named_arguments: [
+                     transport: EthereumJSONRPC.Mox,
+                     transport_options: [],
+                     variant: EthereumJSONRPC.Parity
+                   ]
                  }
+               ]
              }
     end
   end

apps/explorer/lib/explorer/chain.ex

@@ -21,12 +21,14 @@ defmodule Explorer.Chain do
       where: 3
     ]
 
-  import EthereumJSONRPC, only: [integer_to_quantity: 1]
+  import EthereumJSONRPC, only: [integer_to_quantity: 1, fetch_block_internal_transactions: 2]
 
   alias ABI.TypeDecoder
   alias Ecto.Adapters.SQL
   alias Ecto.{Changeset, Multi}
 
+  alias Explorer.Chain
+
   alias Explorer.Chain.{
     Address,
     Address.CoinBalance,
@@ -63,6 +65,7 @@ defmodule Explorer.Chain do
   }
 
   alias Explorer.Chain.Import.Runner
+  alias Explorer.Chain.InternalTransaction.{CallType, Type}
   alias Explorer.Counters.{AddressesCounter, AddressesWithBalanceCounter}
   alias Explorer.Market.MarketHistoryCache
   alias Explorer.{PagingOptions, Repo}
@@ -4051,4 +4054,128 @@ defmodule Explorer.Chain do
   defp boolean_to_check_result(true), do: :ok
 
   defp boolean_to_check_result(false), do: :not_found
+
+  @doc """
+  Fetches the first trace from the Parity trace URL.
+  """
+  def fetch_first_trace(transactions_params, json_rpc_named_arguments) do
+    {:ok, [%{first_trace: first_trace, block_hash: block_hash, json_rpc_named_arguments: json_rpc_named_arguments}]} =
+      EthereumJSONRPC.fetch_first_trace(transactions_params, json_rpc_named_arguments)
+
+    format_tx_first_trace(first_trace, block_hash, json_rpc_named_arguments)
+  end
+
+  defp format_tx_first_trace(first_trace, block_hash, json_rpc_named_arguments) do
+    {:ok, to_address_hash} =
+      if Map.has_key?(first_trace, :to_address_hash) do
+        Chain.string_to_address_hash(first_trace.to_address_hash)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, from_address_hash} = Chain.string_to_address_hash(first_trace.from_address_hash)
+
+    {:ok, created_contract_address_hash} =
+      if Map.has_key?(first_trace, :created_contract_address_hash) do
+        Chain.string_to_address_hash(first_trace.created_contract_address_hash)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, transaction_hash} = Chain.string_to_transaction_hash(first_trace.transaction_hash)
+
+    {:ok, call_type} =
+      if Map.has_key?(first_trace, :call_type) do
+        CallType.load(first_trace.call_type)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, type} = Type.load(first_trace.type)
+
+    {:ok, input} =
+      if Map.has_key?(first_trace, :input) do
+        Data.cast(first_trace.input)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, output} =
+      if Map.has_key?(first_trace, :output) do
+        Data.cast(first_trace.output)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, created_contract_code} =
+      if Map.has_key?(first_trace, :created_contract_code) do
+        Data.cast(first_trace.created_contract_code)
+      else
+        {:ok, nil}
+      end
+
+    {:ok, init} =
+      if Map.has_key?(first_trace, :init) do
+        Data.cast(first_trace.init)
+      else
+        {:ok, nil}
+      end
+
+    block_index =
+      get_block_index(%{
+        transaction_index: first_trace.transaction_index,
+        transaction_hash: first_trace.transaction_hash,
+        block_number: first_trace.block_number,
+        json_rpc_named_arguments: json_rpc_named_arguments
+      })
+
+    value = %Wei{value: Decimal.new(first_trace.value)}
+
+    first_trace_formatted =
+      first_trace
+      |> Map.merge(%{
+        block_index: block_index,
+        block_hash: block_hash,
+        call_type: call_type,
+        to_address_hash: to_address_hash,
+        created_contract_address_hash: created_contract_address_hash,
+        from_address_hash: from_address_hash,
+        input: input,
+        output: output,
+        created_contract_code: created_contract_code,
+        init: init,
+        transaction_hash: transaction_hash,
+        type: type,
+        value: value
+      })
+
+    {:ok, [first_trace_formatted]}
+  end
+
+  defp get_block_index(%{
+         transaction_index: transaction_index,
+         transaction_hash: transaction_hash,
+         block_number: block_number,
+         json_rpc_named_arguments: json_rpc_named_arguments
+       }) do
+    if transaction_index == 0 do
+      0
+    else
+      {:ok, traces} = fetch_block_internal_transactions([block_number], json_rpc_named_arguments)
+
+      sorted_traces =
+        traces
+        |> Enum.sort_by(&{&1.transaction_index, &1.index})
+        |> Enum.with_index()
+
+      {_, block_index} =
+        sorted_traces
+        |> Enum.find(fn {trace, _} ->
+          trace.transaction_index == transaction_index &&
+            trace.transaction_hash == transaction_hash
+        end)
+
+      block_index
+    end
+  end
 end

apps/explorer/test/explorer/chain/import/runner/blocks_test.exs

@@ -7,7 +7,7 @@ defmodule Explorer.Chain.Import.Runner.BlocksTest do
 
   alias Ecto.Multi
   alias Explorer.Chain.Import.Runner.{Blocks, Transactions}
-  alias Explorer.Chain.{Address, Block, Transaction, TokenTransfer}
+  alias Explorer.Chain.{Address, Block, Transaction}
   alias Explorer.{Chain, Repo}
 
   describe "run/1" do
@@ -312,7 +312,7 @@ defmodule Explorer.Chain.Import.Runner.BlocksTest do
     end
 
     test "removes duplicate blocks (by hash) before inserting",
-         %{consensus_block: %{number: _, hash: block_hash, miner_hash: miner_hash}, options: options} do
+         %{consensus_block: %{number: _, hash: _block_hash, miner_hash: miner_hash}, options: options} do
       new_block = params_for(:block, miner_hash: miner_hash, consensus: true)
 
       %Ecto.Changeset{valid?: true, changes: block_changes} = Block.changeset(%Block{}, new_block)
@@ -322,7 +322,7 @@ defmodule Explorer.Chain.Import.Runner.BlocksTest do
         |> Blocks.run([block_changes, block_changes], options)
         |> Repo.transaction()
 
-      assert {:ok, %{blocks: [%{hash: block_hash, consensus: true}]}} = result
+      assert {:ok, %{blocks: [%{hash: _block_hash, consensus: true}]}} = result
     end
   end
 

apps/explorer/test/explorer/chain_test.exs

@@ -5,6 +5,7 @@ defmodule Explorer.ChainTest do
   require Ecto.Query
 
   import Ecto.Query
+  import EthereumJSONRPC, only: [integer_to_quantity: 1]
   import Explorer.Factory
   import Mox
 
@@ -26,6 +27,9 @@ defmodule Explorer.ChainTest do
     Wei
   }
 
+  alias Explorer.Chain
+  alias Explorer.Chain.InternalTransaction.Type
+
   alias Explorer.Chain.Supply.ProofOfAuthority
   alias Explorer.Counters.AddressesWithBalanceCounter
   alias Explorer.Counters.AddressesCounter
@@ -4875,4 +4879,111 @@ defmodule Explorer.ChainTest do
       assert third.delta == Decimal.new(1)
     end
   end
+
+  describe "fetch_first_trace/2" do
+    test "fetched first trace", %{
+      json_rpc_named_arguments: json_rpc_named_arguments
+    } do
+      from_address_hash = "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca"
+      gas = 4_533_872
+
+      init =
+        "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"
+
+      value = 0
+      block_number = 39
+      block_hash = "0x74c72ccabcb98b7ebbd7b31de938212b7e8814a002263b6569564e944d88f51f"
+      index = 0
+      created_contract_address_hash = "0x1e0eaa06d02f965be2dfe0bc9ff52b2d82133461"
+
+      created_contract_code =
+        "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"
+
+      gas_used = 382_953
+      trace_address = []
+      transaction_hash = "0x0fa6f723216dba694337f9bb37d8870725655bdf2573526a39454685659e39b1"
+      transaction_index = 0
+      type = "create"
+
+      if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
+        expect(EthereumJSONRPC.Mox, :json_rpc, fn _json, _options ->
+          {:ok,
+           [
+             %{
+               id: 0,
+               result: %{
+                 "output" => "0x",
+                 "stateDiff" => nil,
+                 "trace" => [
+                   %{
+                     "action" => %{
+                       "from" => from_address_hash,
+                       "gas" => integer_to_quantity(gas),
+                       "init" => init,
+                       "value" => integer_to_quantity(value)
+                     },
+                     "blockNumber" => block_number,
+                     "index" => index,
+                     "result" => %{
+                       "address" => created_contract_address_hash,
+                       "code" => created_contract_code,
+                       "gasUsed" => integer_to_quantity(gas_used)
+                     },
+                     "traceAddress" => trace_address,
+                     "type" => type
+                   }
+                 ],
+                 "transactionHash" => transaction_hash
+               }
+             }
+           ]}
+        end)
+      end
+
+      {:ok, created_contract_address_hash_bytes} = Chain.string_to_address_hash(created_contract_address_hash)
+      {:ok, from_address_hash_bytes} = Chain.string_to_address_hash(from_address_hash)
+      {:ok, created_contract_code_bytes} = Data.cast(created_contract_code)
+      {:ok, init_bytes} = Data.cast(init)
+      {:ok, transaction_hash_bytes} = Chain.string_to_transaction_hash(transaction_hash)
+      {:ok, type_bytes} = Type.load(type)
+      value_wei = %Wei{value: Decimal.new(value)}
+
+      assert Chain.fetch_first_trace(
+               [
+                 %{
+                   hash_data: transaction_hash,
+                   block_hash: block_hash,
+                   block_number: block_number,
+                   transaction_index: transaction_index
+                 }
+               ],
+               json_rpc_named_arguments
+             ) == {
+               :ok,
+               [
+                 %{
+                   block_index: 0,
+                   block_number: block_number,
+                   block_hash: block_hash,
+                   call_type: nil,
+                   created_contract_address_hash: created_contract_address_hash_bytes,
+                   created_contract_code: created_contract_code_bytes,
+                   from_address_hash: from_address_hash_bytes,
+                   gas: gas,
+                   gas_used: gas_used,
+                   index: index,
+                   init: init_bytes,
+                   input: nil,
+                   output: nil,
+                   to_address_hash: nil,
+                   trace_address: trace_address,
+                   transaction_hash: transaction_hash_bytes,
+                   type: type_bytes,
+                   value: value_wei,
+                   transaction_index: transaction_index
+                 }
+               ]
+             }
+    end
+  end
 end