diff --git a/CHANGELOG.md b/CHANGELOG.md index 6717a43f1f..1ad5058c8a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,6 +1,7 @@ ## Current ### Features +- [#2555](https://github.com/poanetwork/blockscout/pull/2555) - find and show decoding candidates for logs - [#2596](https://github.com/poanetwork/blockscout/pull/2596) - support AuRa's empty step reward type - [#2561](https://github.com/poanetwork/blockscout/pull/2561) - Add token's type to the response of tokenlist method - [#2499](https://github.com/poanetwork/blockscout/pull/2499) - import emission reward ranges diff --git a/apps/block_scout_web/lib/block_scout_web/templates/address_logs/_logs.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/address_logs/_logs.html.eex index e49adf8801..92a8ebc6cc 100644 --- a/apps/block_scout_web/lib/block_scout_web/templates/address_logs/_logs.html.eex +++ b/apps/block_scout_web/lib/block_scout_web/templates/address_logs/_logs.html.eex @@ -1,4 +1,19 @@
"> + <% decoded_result = decode(@log, @log.transaction) %> + <%= case decoded_result do %> + <%= {:error, :contract_not_verified, _cadidates} -> %> +
+ <%= gettext "To see accurate decoded input data, the contract must be verified." %> + <%= case @log.transaction do %> + <% %{to_address: %{hash: hash}} -> %> + <%= gettext "Verify the contract " %><%= gettext "here" %> + <% _ -> %> + <%= nil %> + <% end %> +
+ <% _ -> %> + <%= nil %> + <% end %>
<%= gettext "Transaction" %>
@@ -11,19 +26,7 @@ ) %>
- <%= case decode(@log, @log.transaction) do %> - <% {:error, :contract_not_verified} -> %> -
<%= gettext "Decoded" %>
-
-
- <%= gettext "To see decoded input data, the contract must be verified." %> - <%= case @log.transaction do %> - <% %{to_address: %{hash: hash}} -> %> - <%= gettext "Verify the contract " %><%= gettext "here" %> - <% _ -> %> - <%= nil %> - <% end %> -
+ <%= case decoded_result do %> <% {:error, :could_not_decode} -> %>
<%= gettext "Decoded" %>
@@ -81,7 +84,61 @@ <% end %> -
+ + <% {:error, :contract_not_verified, results} -> %> + <%= for {:ok, method_id, text, mapping} <- results do %> +
<%= gettext "Decoded" %>
+
+ + + + + + + + + +
Method Id0x<%= method_id %>
Call<%= text %>
+
+ " class="table thead-light table-bordered"> + + + + + + + + <%= for {name, type, indexed?, value} <- mapping do %> + + + + + + + + <% end %> +
<%= gettext "Name" %><%= gettext "Type" %><%= gettext "Indexed?" %><%= gettext "Data" %>
+ <%= case BlockScoutWeb.ABIEncodedValueView.copy_text(type, value) do %> + <% :error -> %> + <%= nil %> + <% copy_text -> %> + + + + + + <% end %> + <%= name %><%= type %><%= indexed? %> +
<%= BlockScoutWeb.ABIEncodedValueView.value_html(type, value) %>
+
+
+ <% end %> <% _ -> %> <%= nil %> <% end %> diff --git a/apps/block_scout_web/lib/block_scout_web/templates/transaction_log/_logs.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/transaction_log/_logs.html.eex index c63502669b..49a18bf84d 100644 --- a/apps/block_scout_web/lib/block_scout_web/templates/transaction_log/_logs.html.eex +++ b/apps/block_scout_web/lib/block_scout_web/templates/transaction_log/_logs.html.eex @@ -1,4 +1,20 @@
+ <% decoded_result = decode(@log, @transaction) %> + <%= case decoded_result do %> + <%= {:error, :contract_not_verified, _cadidates} -> %> +
+ <%= gettext "To see accurate decoded input data, the contract must be verified." %> + <%= case @transaction do %> + <% %{to_address: %{hash: hash}} -> %> + <%= gettext "Verify the contract " %><%= gettext "here" %> + <% _ -> %> + <%= nil %> + <% end %> +
+ <% _ -> %> + <%= nil %> + <% end %> +
<%= gettext "Address" %>
@@ -11,19 +27,7 @@ ) %>
- <%= case decode(@log, @transaction) do %> - <% {:error, :contract_not_verified} -> %> -
<%= gettext "Decoded" %>
-
-
- <%= gettext "To see decoded input data, the contract must be verified." %> - <%= case @transaction do %> - <% %{to_address: %{hash: hash}} -> %> - <%= gettext "Verify the contract " %><%= gettext "here" %> - <% _ -> %> - <%= nil %> - <% end %> -
+ <%= case decoded_result do %> <% {:error, :could_not_decode} -> %>
<%= gettext "Decoded" %>
@@ -83,7 +87,61 @@ <% end %> -
+ + <% {:error, :contract_not_verified, results} -> %> + <%= for {:ok, method_id, text, mapping} <- results do %> +
<%= gettext "Decoded" %>
+
+ + + + + + + + + +
Method Id0x<%= method_id %>
Call<%= text %>
+
+ " class="table thead-light table-bordered"> + + + + + + + + <%= for {name, type, indexed?, value} <- mapping do %> + + + + + + + + <% end %> +
<%= gettext "Name" %><%= gettext "Type" %><%= gettext "Indexed?" %><%= gettext "Data" %>
+ <%= case BlockScoutWeb.ABIEncodedValueView.copy_text(type, value) do %> + <% :error -> %> + <%= nil %> + <% copy_text -> %> + + + + + + <% end %> + <%= name %><%= type %><%= indexed? %> +
<%= BlockScoutWeb.ABIEncodedValueView.value_html(type, value) %>
+
+
+ <% end %> <% _ -> %> <%= nil %> <% end %> diff --git a/apps/block_scout_web/priv/gettext/default.pot b/apps/block_scout_web/priv/gettext/default.pot index 886a88e4c0..607d83da8a 100644 --- a/apps/block_scout_web/priv/gettext/default.pot +++ b/apps/block_scout_web/priv/gettext/default.pot @@ -98,7 +98,7 @@ msgstr "" #, elixir-format #: lib/block_scout_web/templates/address/_validator_metadata_modal.html.eex:16 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:3 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:19 #: lib/block_scout_web/views/address_view.ex:99 msgid "Address" msgstr "" @@ -558,11 +558,13 @@ msgid "Must be set to:" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:50 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:53 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:106 #: lib/block_scout_web/templates/api_docs/_action_tile.html.eex:52 #: lib/block_scout_web/templates/api_docs/_eth_rpc_item.html.eex:59 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:19 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:52 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:56 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:109 msgid "Name" msgstr "" @@ -851,7 +853,7 @@ msgid "Total transactions" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:3 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:18 #: lib/block_scout_web/views/transaction_view.ex:262 msgid "Transaction" msgstr "" @@ -1128,12 +1130,12 @@ msgid "Static Call" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:16 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:28 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:34 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:16 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:28 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:36 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:31 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:37 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:90 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:32 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:40 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:93 msgid "Decoded" msgstr "" @@ -1142,12 +1144,6 @@ msgstr "" msgid "Method Id" msgstr "" -#, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:19 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:19 -msgid "To see decoded input data, the contract must be verified." -msgstr "" - #, elixir-format #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:2 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:16 @@ -1155,16 +1151,16 @@ msgid "Transaction Inputs" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:22 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:9 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:11 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:22 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:9 msgid "Verify the contract " msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:22 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:9 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:11 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:22 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:9 msgid "here" msgstr "" @@ -1318,7 +1314,9 @@ msgid "To have guaranteed accuracy, use the link above to verify the contract's msgstr "" #, elixir-format +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:6 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:8 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:6 msgid "To see accurate decoded input data, the contract must be verified." msgstr "" @@ -1777,9 +1775,11 @@ msgid "Constructor Arguments" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:63 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:66 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:119 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:31 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:65 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:69 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:122 msgid "Copy Value" msgstr "" @@ -1789,29 +1789,35 @@ msgid "Create2" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:53 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:118 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:56 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:109 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:175 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:21 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:55 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:121 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:59 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:112 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:179 msgid "Data" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:31 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:31 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:34 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:35 msgid "Failed to decode log data." msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:52 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:54 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:55 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:108 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:58 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:111 msgid "Indexed?" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:47 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:49 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:50 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:103 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:53 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:106 msgid "Log Data" msgstr "" @@ -1823,14 +1829,16 @@ msgid "Reward" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:88 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:91 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:145 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:149 msgid "Topics" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:51 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:54 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:107 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:20 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:53 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:57 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:110 msgid "Type" msgstr "" diff --git a/apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po b/apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po index 8fd1e1ff2e..a4ae226813 100644 --- a/apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po +++ b/apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po @@ -98,7 +98,7 @@ msgstr "" #, elixir-format #: lib/block_scout_web/templates/address/_validator_metadata_modal.html.eex:16 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:3 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:19 #: lib/block_scout_web/views/address_view.ex:99 msgid "Address" msgstr "" @@ -558,11 +558,13 @@ msgid "Must be set to:" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:50 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:53 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:106 #: lib/block_scout_web/templates/api_docs/_action_tile.html.eex:52 #: lib/block_scout_web/templates/api_docs/_eth_rpc_item.html.eex:59 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:19 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:52 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:56 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:109 msgid "Name" msgstr "" @@ -851,7 +853,7 @@ msgid "Total transactions" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:3 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:18 #: lib/block_scout_web/views/transaction_view.ex:262 msgid "Transaction" msgstr "" @@ -1128,12 +1130,12 @@ msgid "Static Call" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:16 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:28 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:34 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:16 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:28 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:36 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:31 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:37 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:90 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:32 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:40 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:93 msgid "Decoded" msgstr "" @@ -1142,12 +1144,6 @@ msgstr "" msgid "Method Id" msgstr "" -#, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:19 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:19 -msgid "To see decoded input data, the contract must be verified." -msgstr "" - #, elixir-format #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:2 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:16 @@ -1155,16 +1151,16 @@ msgid "Transaction Inputs" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:22 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:9 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:11 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:22 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:9 msgid "Verify the contract " msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:22 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:9 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:11 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:22 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:9 msgid "here" msgstr "" @@ -1319,7 +1315,9 @@ msgid "To have guaranteed accuracy, use the link above to verify the contract's msgstr "" #, elixir-format +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:6 #: lib/block_scout_web/templates/transaction/_decoded_input.html.eex:8 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:6 msgid "To see accurate decoded input data, the contract must be verified." msgstr "" @@ -1778,9 +1776,11 @@ msgid "Constructor Arguments" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:63 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:66 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:119 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:31 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:65 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:69 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:122 msgid "Copy Value" msgstr "" @@ -1790,29 +1790,35 @@ msgid "Create2" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:53 -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:118 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:56 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:109 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:175 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:21 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:55 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:121 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:59 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:112 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:179 msgid "Data" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:31 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:31 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:34 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:35 msgid "Failed to decode log data." msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:52 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:54 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:55 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:108 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:58 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:111 msgid "Indexed?" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:47 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:49 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:50 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:103 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:53 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:106 msgid "Log Data" msgstr "" @@ -1824,14 +1830,16 @@ msgid "Reward" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:88 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:91 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:145 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:149 msgid "Topics" msgstr "" #, elixir-format -#: lib/block_scout_web/templates/address_logs/_logs.html.eex:51 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:54 +#: lib/block_scout_web/templates/address_logs/_logs.html.eex:107 #: lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex:20 -#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:53 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:57 +#: lib/block_scout_web/templates/transaction_log/_logs.html.eex:110 msgid "Type" msgstr "" diff --git a/apps/explorer/lib/explorer/chain/log.ex b/apps/explorer/lib/explorer/chain/log.ex index b6c5c00a2d..7916b56fb3 100644 --- a/apps/explorer/lib/explorer/chain/log.ex +++ b/apps/explorer/lib/explorer/chain/log.ex @@ -6,7 +6,8 @@ defmodule Explorer.Chain.Log do require Logger alias ABI.{Event, FunctionSelector} - alias Explorer.Chain.{Address, Data, Hash, Transaction} + alias Explorer.Chain.{Address, ContractMethod, Data, Hash, Transaction} + alias Explorer.Repo @required_attrs ~w(address_hash data index transaction_hash)a @optional_attrs ~w(first_topic second_topic third_topic fourth_topic type)a @@ -114,7 +115,50 @@ defmodule Explorer.Chain.Log do do: {:ok, identifier, text, mapping} end - def decode(_log, _transaction), do: {:error, :contract_not_verified} + def decode(log, transaction) do + case log.first_topic do + "0x" <> hex_part -> + case Integer.parse(hex_part, 16) do + {number, ""} -> + <> = :binary.encode_unsigned(number) + find_candidates(method_id, log, transaction) + + _ -> + {:error, :could_not_decode} + end + + _ -> + {:error, :could_not_decode} + end + end + + defp find_candidates(method_id, log, transaction) do + candidates_query = + from( + contract_method in ContractMethod, + where: contract_method.identifier == ^method_id, + limit: 3 + ) + + candidates = + candidates_query + |> Repo.all() + |> Enum.flat_map(fn contract_method -> + case find_and_decode([contract_method.abi], log, transaction) do + {:ok, selector, mapping} -> + identifier = Base.encode16(selector.method_id, case: :lower) + text = function_call(selector.function, mapping) + + [{:ok, identifier, text, mapping}] + + _ -> + [] + end + end) + |> Enum.take(1) + + {:error, :contract_not_verified, candidates} + end defp find_and_decode(abi, log, transaction) do with {%FunctionSelector{} = selector, mapping} <- diff --git a/apps/explorer/test/explorer/chain/log_test.exs b/apps/explorer/test/explorer/chain/log_test.exs index 28be44a1af..e4ce0695bc 100644 --- a/apps/explorer/test/explorer/chain/log_test.exs +++ b/apps/explorer/test/explorer/chain/log_test.exs @@ -2,7 +2,8 @@ defmodule Explorer.Chain.LogTest do use Explorer.DataCase alias Ecto.Changeset - alias Explorer.Chain.Log + alias Explorer.Chain.{Log, SmartContract} + alias Explorer.Repo doctest Log @@ -47,7 +48,7 @@ defmodule Explorer.Chain.LogTest do log = insert(:log, transaction: transaction) - assert Log.decode(log, transaction) == {:error, :contract_not_verified} + assert Log.decode(log, transaction) == {:error, :could_not_decode} end test "that a contract call transaction that has a verified contract returns the decoded input data" do @@ -100,5 +101,59 @@ defmodule Explorer.Chain.LogTest do {"_belly", "bool", true, true} ]} end + + test "finds decoding candidates" do + params = + params_for(:smart_contract, %{ + abi: [ + %{ + "anonymous" => false, + "inputs" => [ + %{"indexed" => true, "name" => "_from_human", "type" => "string"}, + %{"indexed" => false, "name" => "_number", "type" => "uint256"}, + %{"indexed" => true, "name" => "_belly", "type" => "bool"} + ], + "name" => "WantsPets", + "type" => "event" + } + ] + }) + + # changeset has a callback to insert contract methods + %SmartContract{} + |> SmartContract.changeset(params) + |> Repo.insert!() + + topic1 = "0x" <> Base.encode16(:keccakf1600.hash(:sha3_256, "WantsPets(string,uint256,bool)"), case: :lower) + topic2 = "0x" <> Base.encode16(:keccakf1600.hash(:sha3_256, "bob"), case: :lower) + topic3 = "0x0000000000000000000000000000000000000000000000000000000000000001" + data = "0x0000000000000000000000000000000000000000000000000000000000000000" + + transaction = insert(:transaction) + + log = + insert(:log, + transaction: transaction, + first_topic: topic1, + second_topic: topic2, + third_topic: topic3, + fourth_topic: nil, + data: data + ) + + assert Log.decode(log, transaction) == + {:error, :contract_not_verified, + [ + {:ok, "eb9b3c4c", "WantsPets(string indexed _from_human, uint256 _number, bool indexed _belly)", + [ + {"_from_human", "string", true, + {:dynamic, + <<56, 228, 122, 123, 113, 157, 206, 99, 102, 42, 234, 244, 52, 64, 50, 111, 85, 27, 138, 126, + 225, 152, 206, 227, 92, 181, 213, 23, 242, 210, 150, 162>>}}, + {"_number", "uint256", false, 0}, + {"_belly", "bool", true, true} + ]} + ]} + end end end