Merge pull request #3053 from poanetwork/ex_abi_update

Migrate to ex_abi 0.3.0

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Features
 
 ### Fixes
+- [#3053](https://github.com/poanetwork/blockscout/pull/3053) - Fix ABI decoding in contracts methods, logs (migrate to ex_abi 0.3.0)
 - [#3044](https://github.com/poanetwork/blockscout/pull/3044) - Prevent division by zero on /accounts page
 - [#3043](https://github.com/poanetwork/blockscout/pull/3043) - Extract host name for split couple of indexer and web app
 - [#3042](https://github.com/poanetwork/blockscout/pull/3042) - Speedup pending txs list query

apps/block_scout_web/lib/block_scout_web/templates/smart_contract/_functions.html.eex

@@ -9,7 +9,7 @@
     </div>
 
     <%= if queryable?(function["inputs"]) do %>
-      <div>
+      <div style="width: 100%; overflow: hidden;">
         <form class="form-inline" data-function-form data-url="<%= smart_contract_path(@conn, :show, @address.hash) %>">
           <input type="hidden" name="function_name" value='<%= function["name"] %>' />
 

apps/block_scout_web/lib/block_scout_web/templates/transaction/_decoded_input_body.html.eex

@@ -13,11 +13,11 @@
 
 <%= unless Enum.empty?(@mapping) do %>
   <div class="table-responsive text-center">
-    <table style="color: black;" summary="<%= gettext "Transaction Inputs" %>" class="table thead-light table-bordered">
+    <table style="color: black; table-layout: fixed;" summary="<%= gettext "Transaction Inputs" %>" class="table thead-light table-bordered">
       <tr>
-      <th scope="col"></th>
+      <th scope="col" style="width: 60px;"></th>
-      <th scope="col"><%= gettext "Name" %></th>
+      <th scope="col" style="width: 10%;"><%= gettext "Name" %></th>
-      <th scope="col"><%= gettext "Type" %></th>
+      <th scope="col" style="width: 10%;"><%= gettext "Type" %></th>
       <th scope="col"><%= gettext "Data" %></th>
       <tr>
       <%= for {name, type, value} <- @mapping do %>
@@ -49,7 +49,7 @@
                   <%= gettext "Error rendering value" %>
                 </div>
               <% value -> %>
-                <pre class="transaction-input-text tile"><code><%= value %></code></pre>
+                <pre class="transaction-input-text tile pre-wrap"><code><%= value %></code></pre>
               <% end %>
           </td>
         </tr>

apps/block_scout_web/lib/block_scout_web/views/address_contract_view.ex

@@ -33,7 +33,7 @@ defmodule BlockScoutWeb.AddressContractView do
       |> Enum.zip(constructor_abi["inputs"])
       |> Enum.reduce({0, "#{contract.constructor_arguments}\n\n"}, fn {val, %{"type" => type}}, {count, acc} ->
         formatted_val =
-          if is_binary(val) do
+          if type =~ "address" || type =~ "bytes" do
             Base.encode16(val, case: :lower)
           else
             val

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/encoder.ex

@@ -58,6 +58,16 @@ defmodule EthereumJSONRPC.Encoder do
     end)
   end
 
+  def decode_result(result, %{returns: r} = fs) when r in [:string, [:string]] do
+    case decode_result(result, %{fs | returns: {:tuple, [:string]}}) do
+      {id, {:ok, [{string}]}} ->
+        {id, {:ok, [string]}}
+
+      error ->
+        error
+    end
+  end
+
   def decode_result(%{id: id, result: result}, function_selector) do
     types_list = List.wrap(function_selector.returns)
 

apps/ethereum_jsonrpc/mix.exs

@@ -84,7 +84,7 @@ defmodule EthereumJsonrpc.MixProject do
       # Convert unix timestamps in JSONRPC to DateTimes
       {:timex, "~> 3.6"},
       # Encode/decode function names and arguments
-      {:ex_abi, "~> 0.1.18"},
+      {:ex_abi, [git: "https://github.com/poanetwork/ex_abi.git", branch: "master"]},
       # `:verify_fun` for `Socket.Web.connect`
       {:ssl_verify_fun, "~> 1.1"},
       # `EthereumJSONRPC.WebSocket`

apps/explorer/lib/explorer/smart_contract/reader.ex

@@ -262,7 +262,8 @@ defmodule Explorer.SmartContract.Reader do
   end
 
   def link_outputs_and_values(blockchain_values, outputs, function_name) do
-    {_, value} = Map.get(blockchain_values, function_name, {:ok, [""]})
+    default_value = Enum.map(outputs, fn _ -> "" end)
+    {_, value} = Map.get(blockchain_values, function_name, {:ok, default_value})
 
     for {output, index} <- Enum.with_index(outputs) do
       new_value(output, List.wrap(value), index)
@@ -273,8 +274,12 @@ defmodule Explorer.SmartContract.Reader do
     Map.put_new(output, "value", bytes_to_string(value))
   end
 
-  defp new_value(%{"type" => "bytes" <> _number} = output, [value], _index) do
+  defp new_value(%{"type" => "bytes" <> _number} = output, values, index) do
-    Map.put_new(output, "value", bytes_to_string(value))
+    Map.put_new(output, "value", bytes_to_string(Enum.at(values, index)))
+  end
+
+  defp new_value(%{"type" => "bytes"} = output, values, index) do
+    Map.put_new(output, "value", bytes_to_string(Enum.at(values, index)))
   end
 
   defp new_value(output, [value], _index) do

apps/explorer/test/explorer/validator/metadata_retriever_test.exs

@@ -8,9 +8,33 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
   setup :set_mox_global
 
   describe "fetch_data/0" do
+    test "returns maps with the info on validator if they are alone in the list" do
+      single_validator_in_list_mox_ok()
+      validator_metadata_mox_ok()
+
+      expected = [
+        %{
+          address_hash: <<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1>>,
+          name: "Testname Unitarion",
+          primary: true,
+          metadata: %{
+            address: "",
+            created_date: 0,
+            expiration_date: 253_370_764_800,
+            license_id: "00000000",
+            state: "XX",
+            zipcode: "00000"
+          }
+        }
+      ]
+
+      assert MetadataRetriever.fetch_data() == expected
+    end
+
     test "returns maps with the info on each validator" do
       validators_list_mox_ok()
       validator_metadata_mox_ok()
+      validator_metadata_mox_ok()
 
       expected = [
         %{
@@ -25,6 +49,19 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
             state: "XX",
             zipcode: "00000"
           }
+        },
+        %{
+          address_hash: <<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2>>,
+          name: "Testname Unitarion",
+          primary: true,
+          metadata: %{
+            address: "",
+            created_date: 0,
+            expiration_date: 253_370_764_800,
+            license_id: "00000000",
+            state: "XX",
+            zipcode: "00000"
+          }
         }
       ]
 
@@ -36,8 +73,8 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
       assert_raise(MatchError, fn -> MetadataRetriever.fetch_data() end)
     end
 
-    test "raise error when a call to the metadatc contract fails" do
+    test "raise error when a call to the metadata contract fails" do
-      validators_list_mox_ok()
+      single_validator_in_list_mox_ok()
       contract_request_with_error()
       assert_raise(MatchError, fn -> MetadataRetriever.fetch_data() end)
     end
@@ -60,7 +97,7 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
     )
   end
 
-  defp validators_list_mox_ok() do
+  defp single_validator_in_list_mox_ok() do
     expect(
       EthereumJSONRPC.Mox,
       :json_rpc,
@@ -79,6 +116,25 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
     )
   end
 
+  defp validators_list_mox_ok() do
+    expect(
+      EthereumJSONRPC.Mox,
+      :json_rpc,
+      1,
+      fn [%{id: id}], _opts ->
+        {:ok,
+         [
+           %{
+             id: id,
+             jsonrpc: "2.0",
+             result:
+               "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002"
+           }
+         ]}
+      end
+    )
+  end
+
   defp validator_metadata_mox_ok() do
     expect(
       EthereumJSONRPC.Mox,
@@ -91,7 +147,7 @@ defmodule Explorer.Validator.MetadataRetrieverTest do
              id: id,
              jsonrpc: "2.0",
              result:
-               "0x546573746e616d65000000000000000000000000000000000000000000000000556e69746172696f6e000000000000000000000000000000000000000000000030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000140585800000000000000000000000000000000000000000000000000000000000030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003afe130e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000058585858585858207374726565742058585858585800000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+               "0x546573746e616d65000000000000000000000000000000000000000000000000556e69746172696f6e000000000000000000000000000000000000000000000030303030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000140585800000000000000000000000000000000000000000000000000000000000030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003afe130e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
            }
          ]}
       end

mix.lock

@@ -32,7 +32,7 @@
   "ecto": {:hex, :ecto, "3.3.1", "82ab74298065bf0c64ca299f6c6785e68ea5d6b980883ee80b044499df35aba1", [:mix], [{:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
   "ecto_sql": {:hex, :ecto_sql, "3.3.2", "92804e0de69bb63e621273c3492252cb08a29475c05d40eeb6f41ad2d483cfd3", [:mix], [{:db_connection, "~> 2.2", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.3", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.3.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm"},
   "elixir_make": {:hex, :elixir_make, "0.6.0", "38349f3e29aff4864352084fc736fa7fa0f2995a819a737554f7ebd28b85aaab", [:mix], [], "hexpm"},
-  "ex_abi": {:hex, :ex_abi, "0.1.18", "19db9bffdd201edbdff97d7dd5849291218b17beda045c1b76bff5248964f37d", [:mix], [{:exth_crypto, "~> 0.1.4", [hex: :exth_crypto, repo: "hexpm", optional: false]}], "hexpm"},
+  "ex_abi": {:git, "https://github.com/poanetwork/ex_abi.git", "02539efc1a9f1c1e36f8df26e54617522482dc12", [branch: "master"]},
   "ex_cldr": {:hex, :ex_cldr, "2.7.2", "d79a1af6ed12630a15175d2b88d4381b22db5d6f835c5da8de132f0cf712b233", [:mix], [{:cldr_utils, "~> 2.1", [hex: :cldr_utils, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}, {:gettext, "~> 0.13", [hex: :gettext, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 0.5", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:plug, "~> 1.4", [hex: :plug, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm"},
   "ex_cldr_currencies": {:hex, :ex_cldr_currencies, "2.3.0", "bffae489416b8b05d4683403263f5d62aae17de70c24ff915a533541fea514de", [:mix], [{:ex_cldr, "~> 2.6", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
   "ex_cldr_lists": {:hex, :ex_cldr_lists, "2.2.0", "b99f8752d098fc6ba5f083bbd0b25d0d01e36b0042155cf6abd5f205306ba849", [:mix], [{:ex_cldr, "~> 2.6", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:ex_cldr_numbers, "~> 2.6", [hex: :ex_cldr_numbers, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},