Fix TokenTotalSupplyOnDemand fetcher; Add FirstTraceOnDemand fetcher; Add fallback values in blocks to on demand fetchers
Nikita Pozdniakov
2 years ago
parent
d729f80038
commit
ca59693fd3
@ -0,0 +1,85 @@ |
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defmodule Indexer.Fetcher.FirstTraceOnDemand do |
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@moduledoc """ |
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On demand fetcher of first transaction's trace |
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""" |
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use GenServer |
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use Indexer.Fetcher, restart: :permanent |
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alias Explorer.Chain |
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alias Explorer.Chain.Import |
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alias Explorer.Chain.Import.Runner.InternalTransactions |
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alias Explorer.Counters.Helper |
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require Logger |
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# cache needed to keep track of transactions which are already being processed |
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@cache_name :first_traces_processing |
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def trigger_fetch(transaction) do |
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GenServer.cast(__MODULE__, {:fetch, transaction}) |
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end |
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def fetch_first_trace(transaction, state) do |
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hash_string = to_string(transaction.hash) |
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response = |
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Chain.fetch_first_trace( |
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[ |
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%{ |
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block_hash: transaction.block_hash, |
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block_number: transaction.block_number, |
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hash_data: hash_string, |
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transaction_index: transaction.index |
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} |
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], |
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state.json_rpc_named_arguments |
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) |
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case response do |
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{:ok, first_trace_params} -> |
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InternalTransactions.run_insert_only(first_trace_params, %{ |
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timeout: :infinity, |
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timestamps: Import.timestamps(), |
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internal_transactions: %{params: first_trace_params} |
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}) |
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{:error, reason} -> |
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Logger.error(fn -> |
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["Error while fetching first trace for tx: #{hash_string} error reason: ", reason] |
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end) |
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:ignore -> |
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:ignore |
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end |
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:ets.delete(@cache_name, hash_string) |
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end |
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def start_link([init_opts, server_opts]) do |
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GenServer.start_link(__MODULE__, init_opts, server_opts) |
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end |
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@impl true |
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def init(json_rpc_named_arguments) do |
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Helper.create_cache_table(@cache_name) |
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{:ok, %{json_rpc_named_arguments: json_rpc_named_arguments}} |
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end |
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@impl true |
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def handle_cast({:fetch, transaction}, state) do |
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hash_string = to_string(transaction.hash) |
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case Helper.fetch_from_cache(hash_string, @cache_name) do |
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0 -> |
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:ets.insert(@cache_name, {hash_string, 1}) |
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fetch_first_trace(transaction, state) |
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1 -> |
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:ignore |
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end |
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{:noreply, state} |
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end |
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end |
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