Victor Baranov
6 years ago
committed by
GitHub
commit
ab3e9aba2e
@ -0,0 +1,46 @@ |
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defmodule BlockScoutWeb.AddressLogsController do |
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@moduledoc """ |
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Manages events logs tab. |
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""" |
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|
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import BlockScoutWeb.AddressController, only: [transaction_count: 1, validation_count: 1] |
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import BlockScoutWeb.Chain, only: [paging_options: 1, next_page_params: 3, split_list_by_page: 1] |
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|
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alias Explorer.{Chain, Market} |
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alias Explorer.ExchangeRates.Token |
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alias Indexer.Fetcher.CoinBalanceOnDemand |
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|
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use BlockScoutWeb, :controller |
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|
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def index(conn, %{"address_id" => address_hash_string} = params) do |
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with {:ok, address_hash} <- Chain.string_to_address_hash(address_hash_string), |
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{:ok, address} <- Chain.hash_to_address(address_hash) do |
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logs_plus_one = Chain.address_to_logs(address, paging_options(params)) |
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{results, next_page} = split_list_by_page(logs_plus_one) |
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|
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next_page_url = |
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case next_page_params(next_page, results, params) do |
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nil -> |
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nil |
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|
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next_page_params -> |
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address_logs_path(conn, :index, address, next_page_params) |
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end |
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|
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render( |
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conn, |
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"index.html", |
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address: address, |
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logs: results, |
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coin_balance_status: CoinBalanceOnDemand.trigger_fetch(address), |
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exchange_rate: Market.get_exchange_rate(Explorer.coin()) || Token.null(), |
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transaction_count: transaction_count(address), |
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validation_count: validation_count(address), |
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next_page_url: next_page_url |
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) |
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else |
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_ -> |
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not_found(conn) |
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end |
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end |
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end |
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@ -0,0 +1,82 @@ |
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<section class="container"> |
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<%= render BlockScoutWeb.AddressView, "overview.html", assigns %> |
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<div class="card"> |
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<%= render BlockScoutWeb.AddressView, "_tabs.html", assigns %> |
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|
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<div class="card-body"> |
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|
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<h2 class="card-title"><%= gettext "Logs" %></h2> |
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|
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<%= if @next_page_url do %> |
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<%= render BlockScoutWeb.CommonComponentsView, "_pagination_container.html", position: "top", cur_page_number: "1", show_pagination_limit: true, next_page_path: @next_page_url %> |
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<% end %> |
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|
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<%= if !@next_page_url do %> |
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<%= render BlockScoutWeb.CommonComponentsView, "_pagination_container.html", position: "top", cur_page_number: "1", show_pagination_limit: true %> |
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<% end %> |
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|
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<%= if Enum.count(@logs) > 0 do %> |
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<%= for log <- @logs do %> |
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<div data-test="transaction_log" class="tile tile-muted"> |
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<dl class="row"> |
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<dt class="col-md-2"> <%= gettext "Transaction" %> </dt> |
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<dd class="col-md-10"> |
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<h3 class=""> |
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<%= link( |
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log.transaction, |
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to: transaction_path(@conn, :show, log.transaction), |
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"data-test": "log_address_link", |
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"data-address-hash": log.transaction |
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) %> |
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</h3> |
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</dd> |
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<dt class="col-md-2"><%= gettext "Topics" %></dt> |
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<dd class="col-md-10"> |
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<div class="raw-transaction-log-topics"> |
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<%= unless is_nil(log.first_topic) do %> |
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<div class="text-dark"> |
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<span class="text-dark">[0]</span> |
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<%= log.first_topic %> |
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</div> |
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<% end %> |
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<%= unless is_nil(log.second_topic) do %> |
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<div class="text-dark"> |
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<span class="">[1] </span> |
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<%= log.second_topic %> |
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</div> |
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<% end %> |
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<%= unless is_nil(log.third_topic) do %> |
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<div class="text-dark"> |
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<span>[2]</span> |
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<%= log.third_topic %> |
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</div> |
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<% end %> |
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<%= unless is_nil(log.fourth_topic) do %> |
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<div class="text-dark"> |
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<span>[3]</span> |
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<%= log.fourth_topic %> |
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</div> |
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<% end %> |
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</div> |
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</dd> |
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<dt class="col-md-2"> |
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<%= gettext "Data" %> |
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</dt> |
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<dd class="col-md-10"> |
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<%= unless is_nil(log.data) do %> |
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<div class="text-dark raw-transaction-log-data"> |
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<%= log.data %> |
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</div> |
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<% end %> |
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</dd> |
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</dl> |
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</div> |
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<% end %> |
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<% else %> |
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<div class="tile tile-muted text-center"> |
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<span><%= gettext "There are no logs for this address." %></span> |
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</div> |
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<% end %> |
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</div> |
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</div> |
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</section> |
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@ -0,0 +1,3 @@ |
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defmodule BlockScoutWeb.AddressLogsView do |
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use BlockScoutWeb, :view |
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end |
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@ -0,0 +1,124 @@ |
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defmodule Explorer.Staking.EpochCounter do |
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@moduledoc """ |
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Fetches current staking epoch number and the epoch end block number. |
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It subscribes to handle new blocks and conclude whether the epoch is over. |
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""" |
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|
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use GenServer |
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|
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alias Explorer.Chain.Events.Subscriber |
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alias Explorer.SmartContract.Reader |
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@table_name __MODULE__ |
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@epoch_key "epoch_num" |
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@epoch_end_key "epoch_end_block" |
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@doc "Current staking epoch number" |
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def epoch_number do |
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if :ets.info(@table_name) != :undefined do |
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case :ets.lookup(@table_name, @epoch_key) do |
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[{_, epoch_num}] -> |
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epoch_num |
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_ -> |
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0 |
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end |
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end |
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end |
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@doc "Block number on which will start new epoch" |
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def epoch_end_block do |
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if :ets.info(@table_name) != :undefined do |
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case :ets.lookup(@table_name, @epoch_end_key) do |
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[{_, epoch_end}] -> |
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epoch_end |
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|
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_ -> |
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0 |
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end |
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end |
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end |
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|
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def start_link([]) do |
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GenServer.start_link(__MODULE__, [], name: __MODULE__) |
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end |
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|
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def init([]) do |
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:ets.new(@table_name, [ |
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:set, |
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:named_table, |
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:public, |
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write_concurrency: true |
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]) |
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Subscriber.to(:blocks, :realtime) |
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{:ok, [], {:continue, :epoch_info}} |
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end |
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def handle_continue(:epoch_info, state) do |
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fetch_epoch_info() |
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{:noreply, state} |
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end |
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@doc "Handles new blocks and decides to fetch new epoch info" |
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def handle_info({:chain_event, :blocks, :realtime, blocks}, state) do |
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new_block_number = |
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blocks |
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|> Enum.map(&Map.get(&1, :number, 0)) |
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|> Enum.max(fn -> 0 end) |
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case :ets.lookup(@table_name, @epoch_end_key) do |
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[] -> |
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fetch_epoch_info() |
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[{_, epoch_end_block}] when epoch_end_block < new_block_number -> |
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fetch_epoch_info() |
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_ -> |
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:ok |
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end |
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{:noreply, state} |
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end |
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|
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defp fetch_epoch_info do |
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with data <- get_epoch_info(), |
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{:ok, [epoch_num]} <- data["stakingEpoch"], |
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{:ok, [epoch_end_block]} <- data["stakingEpochEndBlock"] do |
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:ets.insert(@table_name, {@epoch_key, epoch_num}) |
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:ets.insert(@table_name, {@epoch_end_key, epoch_end_block}) |
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end |
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end |
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defp get_epoch_info do |
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contract_abi = abi("staking.json") |
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functions = ["stakingEpoch", "stakingEpochEndBlock"] |
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functions |
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|> Enum.map(fn function -> |
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%{ |
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contract_address: staking_address(), |
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function_name: function, |
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args: [] |
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} |
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end) |
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|> Reader.query_contracts(contract_abi) |
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|> Enum.zip(functions) |
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|> Enum.into(%{}, fn {response, function} -> |
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{function, response} |
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end) |
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end |
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defp staking_address do |
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Application.get_env(:explorer, __MODULE__, [])[:staking_contract_address] |
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end |
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# sobelow_skip ["Traversal"] |
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defp abi(file_name) do |
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:explorer |
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|> Application.app_dir("priv/contracts_abi/pos/#{file_name}") |
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|> File.read!() |
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|> Jason.decode!() |
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end |
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end |
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,97 @@ |
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defmodule Explorer.Staking.EpochCounterTest do |
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use ExUnit.Case, async: false |
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import Mox |
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alias Explorer.Staking.EpochCounter |
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alias Explorer.Chain.Events.Publisher |
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setup :verify_on_exit! |
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setup :set_mox_global |
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test "when disabled, it returns nil" do |
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assert EpochCounter.epoch_number() == nil |
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assert EpochCounter.epoch_end_block() == nil |
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end |
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test "fetch epoch data" do |
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set_mox(10, 880) |
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Application.put_env(:explorer, EpochCounter, enabled: true) |
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start_supervised!(EpochCounter) |
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Process.sleep(1_000) |
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assert EpochCounter.epoch_number() == 10 |
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assert EpochCounter.epoch_end_block() == 880 |
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end |
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test "fetch new epoch data" do |
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set_mox(10, 880) |
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Application.put_env(:explorer, EpochCounter, enabled: true) |
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start_supervised!(EpochCounter) |
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Process.sleep(1_000) |
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assert EpochCounter.epoch_number() == 10 |
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assert EpochCounter.epoch_end_block() == 880 |
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event_type = :blocks |
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broadcast_type = :realtime |
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event_data = [%Explorer.Chain.Block{number: 881}] |
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set_mox(11, 960) |
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Publisher.broadcast([{event_type, event_data}], broadcast_type) |
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Process.sleep(1_000) |
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assert EpochCounter.epoch_number() == 11 |
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assert EpochCounter.epoch_end_block() == 960 |
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end |
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|
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defp set_mox(epoch_num, end_block_num) do |
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expect( |
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EthereumJSONRPC.Mox, |
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:json_rpc, |
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fn [ |
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%{ |
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id: 0, |
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jsonrpc: "2.0", |
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method: "eth_call", |
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params: _ |
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}, |
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%{ |
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id: 1, |
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jsonrpc: "2.0", |
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method: "eth_call", |
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params: _ |
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} |
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], |
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_options -> |
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{:ok, |
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[ |
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%{ |
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id: 0, |
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jsonrpc: "2.0", |
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result: encode_num(epoch_num) |
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}, |
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%{ |
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id: 1, |
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jsonrpc: "2.0", |
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result: encode_num(end_block_num) |
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} |
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]} |
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end |
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) |
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end |
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|
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defp encode_num(num) do |
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selector = %ABI.FunctionSelector{function: nil, types: [uint: 32]} |
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encoded_num = |
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[num] |
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|> ABI.TypeEncoder.encode(selector) |
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|> Base.encode16(case: :lower) |
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"0x" <> encoded_num |
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end |
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end |
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