Instrument all queries with NewRelic

config/config.exs

@@ -31,6 +31,9 @@ config :ethereumex,
   host: "localhost",
   port: 8545
 
+config :new_relixir,
+  active: false
+
  config :ex_cldr,
    default_locale: "en",
    locales: ["en"],

config/prod.exs

@@ -38,7 +38,8 @@ config :explorer, Explorer.Repo,
 # Configure New Relic
 config :new_relixir,
   application_name: System.get_env("NEW_RELIC_APP_NAME"),
-  license_key: System.get_env("NEW_RELIC_LICENSE_KEY")
+  license_key: System.get_env("NEW_RELIC_LICENSE_KEY"),
+  active: true
 
 # Configure Web3
 config :ethereumex,

lib/explorer/address.ex

@@ -4,7 +4,7 @@ defmodule Explorer.Address do
   use Ecto.Schema
   import Ecto.Changeset
   alias Explorer.Address
-  alias Explorer.Repo
+  alias Explorer.Repo.NewRelic, as: Repo
 
   @timestamps_opts [type: Timex.Ecto.DateTime,
                     autogenerate: {Timex.Ecto.DateTime, :autogenerate, []}]

lib/explorer/fetcher.ex

@@ -3,7 +3,7 @@ defmodule Explorer.Fetcher  do
   alias Explorer.Address
   alias Explorer.Block
   alias Explorer.FromAddress
-  alias Explorer.Repo
+  alias Explorer.Repo.NewRelic, as: Repo
   alias Explorer.ToAddress
   alias Explorer.Transaction
 

lib/explorer/repo.ex

@@ -10,4 +10,12 @@ defmodule Explorer.Repo do
   def init(_, opts) do
     {:ok, Keyword.put(opts, :url, System.get_env("DATABASE_URL"))}
   end
+
+  defmodule NewRelic do
+    use NewRelixir.Plug.Repo, repo: Explorer.Repo
+
+    def paginate(queryable, opts \\ []) do
+      Explorer.Repo.paginate(queryable, opts)
+    end
+  end
 end

lib/explorer/skipped_blocks.ex

@@ -1,30 +1,26 @@
 defmodule Explorer.SkippedBlocks do
+  @moduledoc """
+    Fill in older blocks that were skipped during processing.
+  """
+  import Ecto.Query, only: [from: 2, limit: 2]
   alias Explorer.Block
-  alias Explorer.Repo
-  alias Ecto.Adapters.SQL
-
-  import Ecto.Query, only: [limit: 2]
+  alias Explorer.Repo.NewRelic, as: Repo
 
-  @moduledoc false
-
-  @query """
-  SELECT missing_numbers.number AS missing_number
-  FROM generate_series($1, 0, -1) missing_numbers(number)
-  LEFT OUTER JOIN blocks ON (blocks.number = missing_numbers.number)
-  WHERE blocks.id IS NULL
-  LIMIT $2;
-  """
+  @missing "SELECT generate_series(?, 0, -1) AS missing_number"
 
   def first, do: first(1)
   def first(count) do
-    SQL.query!(Repo, @query, [latest_block_number(), count]).rows
-    |> Enum.map(&List.first/1)
-    |> Enum.map(&Integer.to_string/1)
-    |> Enum.shuffle
+    blocks = from b in Block,
+      right_join: missing_number in fragment(@missing, ^latest_block_number()),
+      on: b.number == fragment("missing_number"),
+      limit: ^count,
+      where: is_nil(b.id),
+      select: fragment("missing_number")
+    Repo.all(blocks) |> Enum.map(&Integer.to_string/1)
   end
 
   def latest_block_number do
-    (Block |> Block.latest |> limit(1) |> Repo.one || Block.null)
-    |> Map.fetch!(:number)
+    block = Repo.one(Block |> Block.latest |> limit(1)) || Block.null
+    block.number
   end
 end

lib/explorer_web/controllers/address_controller.ex

@@ -1,9 +1,11 @@
 defmodule ExplorerWeb.AddressController do
   use ExplorerWeb, :controller
+
   import Ecto.Query
+
   alias Explorer.Address
-  alias Explorer.Repo
   alias Explorer.AddressForm
+  alias Explorer.Repo.NewRelic, as: Repo
 
   def show(conn, params) do
     address = Address

lib/explorer_web/controllers/block_controller.ex

@@ -1,11 +1,11 @@
 defmodule ExplorerWeb.BlockController do
-  alias Explorer.Block
-  alias Explorer.BlockForm
-  alias Explorer.Repo
+  use ExplorerWeb, :controller
 
   import Ecto.Query
 
-  use ExplorerWeb, :controller
+  alias Explorer.Block
+  alias Explorer.BlockForm
+  alias Explorer.Repo.NewRelic, as: Repo
 
   def index(conn, params) do
     blocks = from b in Block,

lib/explorer_web/controllers/chain_controller.ex

@@ -1,11 +1,11 @@
 defmodule ExplorerWeb.ChainController do
-  alias Explorer.Block
-  alias Explorer.Transaction
-  alias Explorer.Repo
+  use ExplorerWeb, :controller
 
   import Ecto.Query
 
-  use ExplorerWeb, :controller
+  alias Explorer.Block
+  alias Explorer.Repo.NewRelic, as: Repo
+  alias Explorer.Transaction
 
   def show(conn, _params) do
     blocks = from b in Block,

lib/explorer_web/controllers/transaction_controller.ex

@@ -1,12 +1,12 @@
 defmodule ExplorerWeb.TransactionController do
-  alias Explorer.Block
-  alias Explorer.Repo
-  alias Explorer.Transaction
-  alias Explorer.TransactionForm
+  use ExplorerWeb, :controller
 
   import Ecto.Query
 
-  use ExplorerWeb, :controller
+  alias Explorer.Block
+  alias Explorer.Repo.NewRelic, as: Repo
+  alias Explorer.Transaction
+  alias Explorer.TransactionForm
 
   def index(conn, params) do
     transactions = from t in Transaction,

mix.exs

@@ -35,12 +35,13 @@ defmodule Explorer.Mixfile do
   defp elixirc_paths,        do: ["lib"]
 
   # Specifies extra applications to start per environment
-  defp extra_applications(:prod), do: [:phoenix_pubsub_redis, :new_relixir, :exq, :exq_ui | extra_applications()]
+  defp extra_applications(:prod), do: [:phoenix_pubsub_redis, :exq, :exq_ui | extra_applications()]
   defp extra_applications(:dev), do: [:exq, :exq_ui | extra_applications()]
   defp extra_applications(_), do: extra_applications()
   defp extra_applications, do: [
     :scrivener_ecto, :scrivener_html, :ex_cldr, :ex_jasmine, :ethereumex,
-    :timex, :timex_ecto, :crontab, :set_locale, :logger, :runtime_tools
+    :timex, :timex_ecto, :crontab, :set_locale, :logger, :runtime_tools,
+    :new_relixir
   ]
 
   # Specifies your project dependencies.
@@ -64,7 +65,7 @@ defmodule Explorer.Mixfile do
       {:junit_formatter, ">= 0.0.0", only: [:test], runtime: false},
       {:math, "~> 0.3.0"},
       {:mock, "~> 0.3.0", only: [:test], runtime: false},
-      {:new_relixir, "~> 0.4.0", only: [:prod]},
+      {:new_relixir, "~> 0.4"},
       {:phoenix, "~> 1.3.0"},
       {:phoenix_ecto, "~> 3.2"},
       {:phoenix_html, "~> 2.10"},

mix.lock

@@ -1,4 +1,5 @@
-%{"abnf2": {:hex, :abnf2, "0.1.2", "6f8792b8ac3288dba5fc889c2bceae9fe78f74e1a7b36bea9726ffaa9d7bef95", [:mix], [], "hexpm"},
+%{
+  "abnf2": {:hex, :abnf2, "0.1.2", "6f8792b8ac3288dba5fc889c2bceae9fe78f74e1a7b36bea9726ffaa9d7bef95", [:mix], [], "hexpm"},
   "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm"},
   "certifi": {:hex, :certifi, "2.0.0", "a0c0e475107135f76b8c1d5bc7efb33cd3815cb3cf3dea7aefdd174dabead064", [:rebar3], [], "hexpm"},
   "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm"},
@@ -36,7 +37,7 @@
   "mime": {:hex, :mime, "1.2.0", "78adaa84832b3680de06f88f0997e3ead3b451a440d183d688085be2d709b534", [:mix], [], "hexpm"},
   "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [:rebar3], [], "hexpm"},
   "mock": {:hex, :mock, "0.3.1", "994f00150f79a0ea50dc9d86134cd9ebd0d177ad60bd04d1e46336cdfdb98ff9", [:mix], [{:meck, "~> 0.8.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm"},
-  "new_relixir": {:hex, :new_relixir, "0.4.0", "32e15de5dc21bd9823040d3d7fe62cd931755a06de2163e02b79a703179ea102", [:mix], [{:ecto, "~> 2.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:hackney, "~> 1.10", [hex: :hackney, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.3", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
+  "new_relixir": {:hex, :new_relixir, "0.4.1", "55907ef2b968cf9c9278c58e43d1d68f756d21101fa552639c566c5536280915", [:mix], [{:ecto, "~> 2.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:hackney, "~> 1.10", [hex: :hackney, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.3", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix": {:hex, :phoenix, "1.3.0", "1c01124caa1b4a7af46f2050ff11b267baa3edb441b45dbf243e979cd4c5891b", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_ecto": {:hex, :phoenix_ecto, "3.3.0", "702f6e164512853d29f9d20763493f2b3bcfcb44f118af2bc37bb95d0801b480", [:mix], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_html": {:hex, :phoenix_html, "2.10.5", "4f9df6b0fb7422a9440a73182a566cb9cbe0e3ffe8884ef9337ccf284fc1ef0a", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
@@ -46,7 +47,7 @@
   "plug": {:hex, :plug, "1.4.4", "279b547662272cd835a8ca089717201dd3be51bb4705354eaf1b0346744acc82", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm"},
   "poolboy": {:hex, :poolboy, "1.5.1", "6b46163901cfd0a1b43d692657ed9d7e599853b3b21b95ae5ae0a777cf9b6ca8", [:rebar], [], "hexpm"},
-  "postgrex": {:hex, :postgrex, "0.13.3", "c277cfb2a9c5034d445a722494c13359e361d344ef6f25d604c2353185682bfc", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
+  "postgrex": {:hex, :postgrex, "0.13.4", "f58e319c5451bfda86ba6a45ce6dca311193d0a9861323d0d16e8d02e25adc41", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
   "quantum": {:hex, :quantum, "2.2.1", "a8f2ef38b68121833651617ed0c01b348582542dee11730d553acdc57a7d0f7c", [:mix], [{:calendar, "~> 0.17", [hex: :calendar, repo: "hexpm", optional: true]}, {:crontab, "~> 1.1", [hex: :crontab, repo: "hexpm", optional: false]}, {:gen_stage, "~> 0.12.2", [hex: :gen_stage, repo: "hexpm", optional: false]}, {:timex, "~> 3.1.13", [hex: :timex, repo: "hexpm", optional: true]}], "hexpm"},
   "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [:rebar3], [], "hexpm"},
   "react_phoenix": {:hex, :react_phoenix, "0.5.1", "962e1e46ce0ad6e0c9f007ee5f602a6c3758c3a808ce990134b6ed155d60b46d", [:mix], [{:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
@@ -63,4 +64,5 @@
   "tzdata": {:hex, :tzdata, "0.5.16", "13424d3afc76c68ff607f2df966c0ab4f3258859bbe3c979c9ed1606135e7352", [:mix], [{:hackney, "~> 1.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.3.1", "a1f612a7b512638634a603c8f401892afbf99b8ce93a45041f8aaca99cadb85e", [:rebar3], [], "hexpm"},
   "uuid": {:hex, :uuid, "1.1.8", "e22fc04499de0de3ed1116b770c7737779f226ceefa0badb3592e64d5cfb4eb9", [:mix], [], "hexpm"},
-  "wallaby": {:hex, :wallaby, "0.19.2", "358bbff251e3555e02566280d1795132da792969dd58ff89963536d013058719", [:mix], [{:httpoison, "~> 0.12", [hex: :httpoison, repo: "hexpm", optional: false]}, {:poison, ">= 1.4.0", [hex: :poison, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}], "hexpm"}}
+  "wallaby": {:hex, :wallaby, "0.19.2", "358bbff251e3555e02566280d1795132da792969dd58ff89963536d013058719", [:mix], [{:httpoison, "~> 0.12", [hex: :httpoison, repo: "hexpm", optional: false]}, {:poison, ">= 1.4.0", [hex: :poison, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}], "hexpm"},
+}