Merge pull request #1532 from poanetwork/ab-elixir-1.8.1

upgrade elixir to 1.8.1
6 years ago · e037c54f39
parent a7773bbb64 83bf479b1c
commit e037c54f39
15 changed files with 88 additions and 81 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -3,7 +3,7 @@ jobs:
  build:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2-node-browsers
+      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          # match POSTGRES_PASSWORD for postgres image below
@ -14,6 +14,7 @@ jobs:
    working_directory: ~/app

    steps:
+      - run: sudo npm install -g phantomjs-prebuilt --unsafe-perm
      - run: sudo apt-get update; sudo apt-get -y install autoconf build-essential libgmp3-dev libtool

      - checkout
@ -30,17 +31,17 @@ jobs:

      - restore_cache:
          keys:
-             - v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
-             - v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
-             - v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
+             - v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
+             - v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
+             - v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}

      - run: mix deps.get

      - restore_cache:
          keys:
-            - v6-npm-install-{{ .Branch }}-{{ checksum "apps/block_scout_web/assets/package-lock.json" }}
-            - v6-npm-install-{{ .Branch }}
-            - v6-npm-install
+            - v7-npm-install-{{ .Branch }}-{{ checksum "apps/block_scout_web/assets/package-lock.json" }}
+            - v7-npm-install-{{ .Branch }}
+            - v7-npm-install

      - run:
          command: npm install
@ -61,13 +62,13 @@ jobs:
          working_directory: "apps/block_scout_web/assets"

      - save_cache:
-          key: v6-npm-install-{{ .Branch }}-{{ checksum "apps/block_scout_web/assets/package-lock.json" }}
+          key: v7-npm-install-{{ .Branch }}-{{ checksum "apps/block_scout_web/assets/package-lock.json" }}
          paths: "apps/block_scout_web/assets/node_modules"
      - save_cache:
-          key: v6-npm-install-{{ .Branch }}
+          key: v7-npm-install-{{ .Branch }}
          paths: "apps/block_scout_web/assets/node_modules"
      - save_cache:
-          key: v6-npm-install
+          key: v7-npm-install
          paths: "apps/block_scout_web/assets/node_modules"

      - run: mix compile
@ -80,17 +81,17 @@ jobs:
      # `deps` needs to be cached with `_build` because `_build` will symlink into `deps`

      - save_cache:
-          key: v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
+          key: v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
          paths:
            - deps
            - _build
      - save_cache:
-          key: v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
+          key: v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
          paths:
            - deps
            - _build
      - save_cache:
-          key: v6-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
+          key: v7-mix-compile-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
          paths:
            - deps
            - _build
@ -126,7 +127,7 @@ jobs:
  check_formatted:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

@ -140,7 +141,7 @@ jobs:
  credo:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

@ -174,7 +175,7 @@ jobs:
  dialyzer:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

@ -188,9 +189,9 @@ jobs:

      - restore_cache:
          keys:
-            - v6-mix-dailyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
-            - v6-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
-            - v6-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
+            - v7-mix-dailyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
+            - v7-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
+            - v7-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}

      - run:
          name: Unpack PLT cache
@ -210,15 +211,15 @@ jobs:
            cp ~/.mix/dialyxir*.plt plts/

      - save_cache:
-          key: v6-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
+          key: v7-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.lock" }}
          paths:
            - plts
      - save_cache:
-          key: v6-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
+          key: v7-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}-{{ checksum "mix.exs" }}
          paths:
            - plts
      - save_cache:
-          key: v6-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
+          key: v7-mix-dialyzer-{{ checksum "OTP_VERSION.lock" }}-{{ checksum "ELIXIR_VERSION.lock" }}
          paths:
            - plts

@ -244,7 +245,7 @@ jobs:
  gettext:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

@ -283,7 +284,7 @@ jobs:
  release:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: prod

@ -309,7 +310,7 @@ jobs:
  sobelow:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

@ -333,7 +334,7 @@ jobs:
  test_geth_http_websocket:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2-node-browsers
+      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          # match POSTGRES_PASSWORD for postgres image below
@ -356,6 +357,7 @@ jobs:
    steps:
      - attach_workspace:
          at: .
+      - run: sudo npm install -g phantomjs-prebuilt --unsafe-perm

      - run: mix local.hex --force
      - run: mix local.rebar --force
@ -383,7 +385,7 @@ jobs:
  test_geth_mox:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2-node-browsers
+      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          # match POSTGRES_PASSWORD for postgres image below
@ -407,6 +409,7 @@ jobs:
      - attach_workspace:
          at: .

+      - run: sudo npm install -g phantomjs-prebuilt --unsafe-perm
      - run: mix local.hex --force
      - run: mix local.rebar --force

@ -433,7 +436,7 @@ jobs:
  test_parity_http_websocket:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2-node-browsers
+      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          # match POSTGRES_PASSWORD for postgres image below
@ -457,6 +460,7 @@ jobs:
      - attach_workspace:
          at: .

+      - run: sudo npm install -g phantomjs-prebuilt --unsafe-perm
      - run: mix local.hex --force
      - run: mix local.rebar --force

@ -483,7 +487,7 @@ jobs:
  test_parity_mox:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2-node-browsers
+      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          # match POSTGRES_PASSWORD for postgres image below
@ -507,6 +511,7 @@ jobs:
      - attach_workspace:
          at: .

+      - run: sudo npm install -g phantomjs-prebuilt --unsafe-perm
      - run: mix local.hex --force
      - run: mix local.rebar --force

@ -533,7 +538,7 @@ jobs:
  coveralls_merge:
    docker:
      # Ensure .tool-versions matches
-      - image: circleci/elixir:1.7.2
+      - image: circleci/elixir:1.8.1
        environment:
          MIX_ENV: test

--- a/.dialyzer-ignore
+++ b/.dialyzer-ignore
@ -1,3 +1,6 @@
 :0: Unknown function 'Elixir.ExUnit.Callbacks':'__merge__'/3
 :0: Unknown function 'Elixir.ExUnit.CaseTemplate':'__proxy__'/2
 :0: Unknown type 'Elixir.Map':t/0
+apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex:413: Function timestamp_to_datetime/1 has no local return
+apps/explorer/lib/explorer/repo/prometheus_logger.ex:8: Function microseconds_time/1 has no local return
+apps/explorer/lib/explorer/repo/prometheus_logger.ex:8: The call 'Elixir.System':convert_time_unit(__@1::any(),'native','microseconds') breaks the contract (integer(),time_unit() | 'native',time_unit() | 'native') -> integer()
--- a/.tool-versions
+++ b/.tool-versions
@ -1,3 +1,3 @@
-elixir 1.7.1
+elixir 1.8.1
 erlang 21.0.4
 nodejs 10.11.0
--- a/README.md
+++ b/README.md
@ -77,7 +77,7 @@ The [development stack page](https://github.com/poanetwork/blockscout/wiki/Devel
 | Dependency  | Mac | Linux |
 |-------------|-----|-------|
 | [Erlang/OTP 21.0.4](https://github.com/erlang/otp) | `brew install erlang` | [Erlang Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L134) |
-| [Elixir 1.7.1](https://elixir-lang.org/) | :point_up: | [Elixir Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L138) |
+| [Elixir 1.8.1](https://elixir-lang.org/) | :point_up: | [Elixir Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L138) |
 | [Postgres 10.3](https://www.postgresql.org/) | `brew install postgresql` | [Postgres Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L187) |
 | [Node.js 10.5.0](https://nodejs.org/en/) | `brew install node` | [Node.js Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L66) |
 | [Automake](https://www.gnu.org/software/automake/) | `brew install automake` | [Automake Install Example](https://github.com/poanetwork/blockscout-terraform/blob/33f68e816e36dc2fb055911fa0372531f0e956e7/modules/stack/libexec/init.sh#L72) |
@ -88,31 +88,31 @@ The [development stack page](https://github.com/poanetwork/blockscout/wiki/Devel

 ### Build and Run

-  1. Clone the repository.  
+  1. Clone the repository.
  `git clone https://github.com/poanetwork/blockscout`

-  2. Go to the explorer subdirectory.  
+  2. Go to the explorer subdirectory.
  `cd blockscout`

-  3. Set up default configurations.  
-  `cp apps/explorer/config/dev.secret.exs.example apps/explorer/config/dev.secret.exs`  
+  3. Set up default configurations.
+  `cp apps/explorer/config/dev.secret.exs.example apps/explorer/config/dev.secret.exs`
  `cp apps/block_scout_web/config/dev.secret.exs.example apps/block_scout_web/config/dev.secret.exs`
  <br />Linux: Update the database username and password configuration in `apps/explorer/config/dev.secret.exs`
-  <br />Mac: Remove the `username` and `password` fields from `apps/explorer/config/dev.secret.exs`  
-  <br />Optional: Set up default configuration for testing.  
-  `cp apps/explorer/config/test.secret.exs.example apps/explorer/config/test.secret.exs`  
+  <br />Mac: Remove the `username` and `password` fields from `apps/explorer/config/dev.secret.exs`
+  <br />Optional: Set up default configuration for testing.
+  `cp apps/explorer/config/test.secret.exs.example apps/explorer/config/test.secret.exs`
  Example usage: Changing the default Postgres port from localhost:15432 if [Boxen](https://github.com/boxen/boxen) is installed.

-  4. Install dependencies.  
+  4. Install dependencies.
  `mix do deps.get, local.rebar --force, deps.compile, compile`

-  5. Create and migrate database.  
-  `mix ecto.create && mix ecto.migrate`  
-  <br />_Note:_ If you have run previously, drop the previous database  
+  5. Create and migrate database.
+  `mix ecto.create && mix ecto.migrate`
+  <br />_Note:_ If you have run previously, drop the previous database
  `mix do ecto.drop, ecto.create, ecto.migrate`

-  6. Install Node.js dependencies.  
-  `cd apps/block_scout_web/assets && npm install; cd -`  
+  6. Install Node.js dependencies.
+  `cd apps/block_scout_web/assets && npm install; cd -`
  `cd apps/explorer && npm install; cd -`

  7. Update your JSON RPC Variant in `apps/explorer/config/dev.exs` and `apps/indexer/config/dev.exs`.
@ -120,7 +120,7 @@ The [development stack page](https://github.com/poanetwork/blockscout/wiki/Devel

  8. Update your JSON RPC Endpoint in `apps/explorer/config/dev/` and `apps/indexer/config/dev/`
  For the `variant` chosen in step 7, enter the correct information for the corresponding JSON RPC Endpoint in `parity.exs`, `geth.exs`, or `ganache.exs`
-  
+
  9. Enable HTTPS in development. The Phoenix server only runs with HTTPS.
     * `cd apps/block_scout_web`
     * `mix phx.gen.cert blockscout blockscout.local; cd -`
@ -132,14 +132,14 @@ The [development stack page](https://github.com/poanetwork/blockscout/wiki/Devel
      ```
      * If using Chrome, Enable `chrome://flags/#allow-insecure-localhost`.

-  9. Start Phoenix Server.  
+  9. Start Phoenix Server.
  `mix phx.server`

 Now you can visit [`localhost:4000`](http://localhost:4000) from your browser.

 _Additional runtime options:_

-*  Run Phoenix Server with IEx (Interactive Elixer)  
+*  Run Phoenix Server with IEx (Interactive Elixer)
 `iex -S mix phx.server`

 *  Run Phoenix Server with real time indexer
@ -204,29 +204,29 @@ To monitor build status, configure your local [CCMenu](http://ccmenu.org/) with

 #### Running the tests

-  1. Build the assets.  
+  1. Build the assets.
  `cd apps/block_scout_web/assets && npm run build; cd -`

-  2. Format the Elixir code.  
+  2. Format the Elixir code.
  `mix format`

  3. Run the test suite with coverage for whole umbrella project.  This step can be run with different configuration outlined below.
  `mix coveralls.html --umbrella`

-  4. Lint the Elixir code.  
+  4. Lint the Elixir code.
  `mix credo --strict`

-  5. Run the dialyzer.  
+  5. Run the dialyzer.
  `mix dialyzer --halt-exit-status`

-  6. Check the Elixir code for vulnerabilities.  
-  `cd apps/explorer && mix sobelow --config; cd -`  
+  6. Check the Elixir code for vulnerabilities.
+  `cd apps/explorer && mix sobelow --config; cd -`
  `cd apps/block_scout_web && mix sobelow --config; cd -`

-  7. Lint the JavaScript code.  
+  7. Lint the JavaScript code.
  `cd apps/block_scout_web/assets && npm run eslint; cd -`

-  8. Test the JavaScript code.  
+  8. Test the JavaScript code.
  `cd apps/block_scout_web/assets && npm run test; cd -`

 ##### Parity
@ -281,12 +281,12 @@ mix coveralls.html --umbrella --exclude no_geth

 To view Modules and API Reference documentation:

-1. Generate documentation.  
+1. Generate documentation.
 `mix docs`
-2. View the generated docs.  
+2. View the generated docs.
 `open doc/index.html`

-## Front-end 
+## Front-end

 ### Javascript

@ -307,7 +307,7 @@ To understand how to build new pages that need redux in this project, see the [r

 The app is currently internationalized. It is only localized to U.S. English. To translate new strings.

-1. To setup translation file.  
+1. To setup translation file.
 `cd apps/block_scout_web; mix gettext.extract --merge; cd -`
 2. To edit the new strings, go to `apps/block_scout_web/priv/gettext/en/LC_MESSAGES/default.po`.

--- a/apps/block_scout_web/mix.exs
+++ b/apps/block_scout_web/mix.exs
@ -15,7 +15,7 @@ defmodule BlockScoutWeb.Mixfile do
        plt_add_deps: :transitive,
        ignore_warnings: "../../.dialyzer-ignore"
      ],
-      elixir: "~> 1.6",
+      elixir: "~> 1.8",
      elixirc_paths: elixirc_paths(Mix.env()),
      lockfile: "../../mix.lock",
      package: package(),
@ -122,7 +122,7 @@ defmodule BlockScoutWeb.Mixfile do
      # Tracing
      {:spandex, github: "spandex-project/spandex", branch: "allow-setting-trace-key", override: true},
      # `:spandex` integration with Datadog
-      {:spandex_datadog, "~> 0.3.1"},
+      {:spandex_datadog, "~> 0.4.0"},
      # `:spandex` tracing of `:phoenix`
      {:spandex_phoenix, "~> 0.3.1"},
      {:timex, "~> 3.4"},
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/web_socket.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/web_socket.ex
@ -37,14 +37,14 @@ defmodule EthereumJSONRPC.WebSocket do
  @doc """
  Allow `c:start_link/1` to be called as part of a supervision tree.
  """
-  @callback child_spec([url :: String.t() | options :: term()]) :: Supervisor.child_spec()
+  @callback child_spec([(url :: String.t()) | (options :: term())]) :: Supervisor.child_spec()

  @doc """
  Starts web socket attached to `url` with `options`.
  """
  # Return is same as `t:GenServer.on_start/0`
-  @callback start_link([url :: String.t() | options :: term()]) ::
-              {:ok, pid()} | :ignore | {:error, {:already_started, pid()} | reason :: term()}
+  @callback start_link([(url :: String.t()) | (options :: term())]) ::
+              {:ok, pid()} | :ignore | {:error, {:already_started, pid()} | (reason :: term())}

  @doc """
  Run a single Remote Procedure Call (RPC) `t:EthereumJSONRPC.Transport.request/0` through `t:web_socket/0`.
--- a/apps/ethereum_jsonrpc/mix.exs
+++ b/apps/ethereum_jsonrpc/mix.exs
@ -15,7 +15,7 @@ defmodule EthereumJsonrpc.MixProject do
        plt_add_apps: [:mix],
        ignore_warnings: "../../.dialyzer-ignore"
      ],
-      elixir: "~> 1.6",
+      elixir: "~> 1.8",
      elixirc_paths: elixirc_paths(Mix.env()),
      lockfile: "../../mix.lock",
      preferred_cli_env: [
@ -80,7 +80,7 @@ defmodule EthereumJsonrpc.MixProject do
      # Tracing
      {:spandex, github: "spandex-project/spandex", branch: "allow-setting-trace-key", override: true},
      # `:spandex` integration with Datadog
-      {:spandex_datadog, "~> 0.3.1"},
+      {:spandex_datadog, "~> 0.4.0"},
      # Convert unix timestamps in JSONRPC to DateTimes
      {:timex, "~> 3.4"},
      # Encode/decode function names and arguments
--- a/apps/explorer/mix.exs
+++ b/apps/explorer/mix.exs
@ -15,7 +15,7 @@ defmodule Explorer.Mixfile do
        plt_add_apps: ~w(ex_unit mix)a,
        ignore_warnings: "../../.dialyzer-ignore"
      ],
-      elixir: "~> 1.6",
+      elixir: "~> 1.8",
      elixirc_paths: elixirc_paths(Mix.env()),
      lockfile: "../../mix.lock",
      package: package(),
@ -108,7 +108,7 @@ defmodule Explorer.Mixfile do
      # Tracing
      {:spandex, github: "spandex-project/spandex", branch: "allow-setting-trace-key", override: true},
      # `:spandex` integration with Datadog
-      {:spandex_datadog, "~> 0.3.1"},
+      {:spandex_datadog, "~> 0.4.0"},
      # `:spandex` tracing of `:ecto`
      {:spandex_ecto, "~> 0.4.0"},
      # Attach `:prometheus_ecto` to `:ecto`
--- a/apps/explorer/test/explorer/smart_contract/publisher_test.exs
+++ b/apps/explorer/test/explorer/smart_contract/publisher_test.exs
@ -99,7 +99,7 @@ defmodule Explorer.SmartContract.PublisherTest do

    test "validates and creates smart contract with external libraries" do
      contract_data =
-        "#{System.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
+        "#{File.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
        |> File.read!()
        |> Jason.decode!()
        |> List.first()
--- a/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
+++ b/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
@ -6,7 +6,7 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
  alias Explorer.Factory
  alias Explorer.SmartContract.Solidity.CodeCompiler

-  @compiler_tests "#{System.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
+  @compiler_tests "#{File.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
                  |> File.read!()
                  |> Jason.decode!()

--- a/apps/explorer/test/explorer/smart_contract/verifier_test.exs
+++ b/apps/explorer/test/explorer/smart_contract/verifier_test.exs
@ -30,7 +30,7 @@ defmodule Explorer.SmartContract.VerifierTest do

    test "verifies the generated bytecode with external libraries" do
      contract_data =
-        "#{System.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
+        "#{File.cwd!()}/test/support/fixture/smart_contract/compiler_tests.json"
        |> File.read!()
        |> Jason.decode!()
        |> List.first()
--- a/apps/indexer/mix.exs
+++ b/apps/indexer/mix.exs
@ -10,7 +10,7 @@ defmodule Indexer.MixProject do
      deps: deps(),
      deps_path: "../../deps",
      description: "Fetches block chain data from on-chain node for later reading with Explorer.",
-      elixir: "~> 1.6",
+      elixir: "~> 1.8",
      elixirc_paths: elixirc_paths(Mix.env()),
      lockfile: "../../mix.lock",
      preferred_cli_env: [
@ -63,7 +63,7 @@ defmodule Indexer.MixProject do
      # Tracing
      {:spandex, github: "spandex-project/spandex", branch: "allow-setting-trace-key", override: true},
      # `:spandex` integration with Datadog
-      {:spandex_datadog, "~> 0.3.1"}
+      {:spandex_datadog, "~> 0.4.0"}
    ]
  end

--- a/mix.exs
+++ b/mix.exs
@ -13,7 +13,7 @@ defmodule BlockScout.Mixfile do
        plt_add_apps: ~w(ex_unit mix)a,
        ignore_warnings: ".dialyzer-ignore"
      ],
-      elixir: "~> 1.6",
+      elixir: "~> 1.8",
      preferred_cli_env: [
        coveralls: :test,
        "coveralls.detail": :test,
--- a/mix.lock
+++ b/mix.lock
@ -71,7 +71,7 @@
  "mochiweb": {:hex, :mochiweb, "2.18.0", "eb55f1db3e6e960fac4e6db4e2db9ec3602cc9f30b86cd1481d56545c3145d2e", [:rebar3], [], "hexpm"},
  "mock": {:hex, :mock, "0.3.2", "e98e998fd76c191c7e1a9557c8617912c53df3d4a6132f561eb762b699ef59fa", [:mix], [{:meck, "~> 0.8.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm"},
  "mox": {:hex, :mox, "0.4.0", "7f120840f7d626184a3d65de36189ca6f37d432e5d63acd80045198e4c5f7e6e", [:mix], [], "hexpm"},
-  "msgpax": {:hex, :msgpax, "1.1.0", "e31625e256db2decca1ae2b841f21b4d2483b1332649ce3ebc96c7ff7a4986e3", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm"},
+  "msgpax": {:hex, :msgpax, "2.2.2", "559a07806bbe5fdd31e4597455be030bd96356f7a621ca9eed832747c83bfb67", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm"},
  "nimble_parsec": {:hex, :nimble_parsec, "0.5.0", "90e2eca3d0266e5c53f8fbe0079694740b9c91b6747f2b7e3c5d21966bba8300", [:mix], [], "hexpm"},
  "optimal": {:hex, :optimal, "0.3.6", "46bbf52fbbbd238cda81e02560caa84f93a53c75620f1fe19e81e4ae7b07d1dd", [:mix], [], "hexpm"},
  "parallel_stream": {:hex, :parallel_stream, "1.0.6", "b967be2b23f0f6787fab7ed681b4c45a215a81481fb62b01a5b750fa8f30f76c", [:mix], []},
@ -98,7 +98,7 @@
  "set_locale": {:git, "https://github.com/minifast/set_locale.git", "da9ae029642bc0fbd9212c2aaf86c0adca70c084", [branch: "master"]},
  "sobelow": {:hex, :sobelow, "0.7.4", "228cc6185b448b63ecc88429b43e864e8dd570e8e09f2d04b3aa71894db1bdbb", [:mix], [], "hexpm"},
  "spandex": {:git, "https://github.com/spandex-project/spandex.git", "92992b4aaf3d92e031c2417ff2e6c9e94d27fe36", [branch: "allow-setting-trace-key"]},
-  "spandex_datadog": {:hex, :spandex_datadog, "0.3.1", "984d27ad1f45cfd243509692f0f63b900a23b79566c529a644c7f3a2b4120603", [:mix], [{:msgpax, "~> 1.1", [hex: :msgpax, repo: "hexpm", optional: false]}, {:spandex, "~> 2.3", [hex: :spandex, repo: "hexpm", optional: false]}], "hexpm"},
+  "spandex_datadog": {:hex, :spandex_datadog, "0.4.0", "75113a73e843123074886a2e31994af07d6e0632749a8d97e9ca6157b120c287", [:mix], [{:msgpax, "~> 2.2.1", [hex: :msgpax, repo: "hexpm", optional: false]}, {:spandex, "~> 2.3", [hex: :spandex, repo: "hexpm", optional: false]}], "hexpm"},
  "spandex_ecto": {:hex, :spandex_ecto, "0.4.0", "deaeaddc11a35f1c551206c53d09bb93a0da5808dbef751430e465c8c7de01d3", [:mix], [{:spandex, "~> 2.2", [hex: :spandex, repo: "hexpm", optional: false]}], "hexpm"},
  "spandex_phoenix": {:hex, :spandex_phoenix, "0.3.1", "9cb9a4a9f2161f171d9df9afa1289a0d037abbbeecabae674f959b57f106f201", [:mix], [{:plug, "~> 1.3", [hex: :plug, repo: "hexpm", optional: false]}, {:spandex, "~> 2.2", [hex: :spandex, repo: "hexpm", optional: false]}], "hexpm"},
  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.4", "f0eafff810d2041e93f915ef59899c923f4568f4585904d010387ed74988e77b", [:make, :mix, :rebar3], [], "hexpm"},
--- a/rel/config.exs
+++ b/rel/config.exs
@ -12,10 +12,10 @@ defer = fn fun ->
 end

 app_root = fn ->
-  if String.contains?(System.cwd!(), "apps") do
-    Path.join([System.cwd!(), "/../../"])
+  if String.contains?(File.cwd!(), "apps") do
+    Path.join([File.cwd!(), "/../../"])
  else
-    System.cwd!()
+    File.cwd!()
  end
 end

@ -82,4 +82,3 @@ release :blockscout do
    seed: "rel/commands/seed.sh",
  ]
 end
-