version: 2.1
orbs:
  go: gotest/tools@0.0.13

executors:
  golang:
    docker:
      - image: circleci/golang:1.14.6
    resource_class: 2xlarge
  ubuntu:
    docker:
      - image: ubuntu:19.10

commands:
  install-deps:
    steps:
      - go/install-ssh
      - go/install: {package: git}
  prepare:
    parameters:
      linux:
        default: true
        description: is a linux build environment?
        type: boolean
      darwin:
        default: false
        description: is a darwin build environment?
        type: boolean
    steps:
      - checkout
      - git_fetch_all_tags
      - checkout
      - when:
          condition: << parameters.linux >>
          steps:
            - run: sudo apt-get update
            - run: sudo apt-get install ocl-icd-opencl-dev
      - run: git submodule sync
      - run: git submodule update --init
  download-params:
    steps:
      - restore_cache:
          name: Restore parameters cache
          keys:
            - 'v25-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
      - run:  ./lotus fetch-params 2048
      - save_cache:
          name: Save parameters cache
          key: 'v25-2k-lotus-params'
          paths:
            - /var/tmp/filecoin-proof-parameters/
  install_ipfs:
    steps:
      - run: |
          apt update
          apt install -y wget
          wget https://github.com/ipfs/go-ipfs/releases/download/v0.4.22/go-ipfs_v0.4.22_linux-amd64.tar.gz
          wget https://github.com/ipfs/go-ipfs/releases/download/v0.4.22/go-ipfs_v0.4.22_linux-amd64.tar.gz.sha512
          if [ "$(sha512sum go-ipfs_v0.4.22_linux-amd64.tar.gz)" != "$(cat go-ipfs_v0.4.22_linux-amd64.tar.gz.sha512)" ]
          then
            echo "ipfs failed checksum check"
            exit 1
          fi
          tar -xf go-ipfs_v0.4.22_linux-amd64.tar.gz
          mv go-ipfs/ipfs /usr/local/bin/ipfs
          chmod +x /usr/local/bin/ipfs
  git_fetch_all_tags:
    steps:
      - run:
          name: fetch all tags
          command: |
            git fetch --all

jobs:
  mod-tidy-check:
    executor: golang
    steps:
      - install-deps
      - prepare
      - go/mod-tidy-check

  build-all:
    executor: golang
    steps:
      - install-deps
      - prepare
      - run: sudo apt-get update
      - run: sudo apt-get install npm
      - run:
          command: make buildall
      - store_artifacts:
          path: lotus
      - store_artifacts:
          path: lotus-miner
      - store_artifacts:
          path: lotus-worker
      - run: mkdir linux && mv lotus lotus-miner lotus-worker linux/
      - persist_to_workspace:
          root: "."
          paths:
            - linux

  build-debug:
    executor: golang
    steps:
      - install-deps
      - prepare
      - run:
          command: make debug

  test: &test
    description: |
      Run tests with gotestsum.
    parameters: &test-params
      executor:
        type: executor
        default: golang
      go-test-flags:
        type: string
        default: "-timeout 30m"
        description: Flags passed to go test.
      packages:
        type: string
        default: "./..."
        description: Import paths of packages to be tested.
      winpost-test:
        type: string
        default: "0"
      test-suite-name:
        type: string
        default: unit
        description: Test suite name to report to CircleCI.
      gotestsum-format:
        type: string
        default: pkgname-and-test-fails
        description: gotestsum format. https://github.com/gotestyourself/gotestsum#format
      coverage:
        type: string
        default: -coverprofile=coverage.txt -coverpkg=github.com/filecoin-project/lotus/...
        description: Coverage flag. Set to the empty string to disable.
      codecov-upload:
        type: boolean
        default: false
        description: |
          Upload coverage report to https://codecov.io/. Requires the codecov API token to be
          set as an environment variable for private projects.
    executor: << parameters.executor >>
    steps:
      - install-deps
      - prepare
      - run:
          command: make deps lotus
          no_output_timeout: 30m
      - download-params
      - go/install-gotestsum:
          gobin: $HOME/.local/bin
          version: 0.5.2
      - run:
          name: go test
          environment:
            LOTUS_TEST_WINDOW_POST: << parameters.winpost-test >>
            SKIP_CONFORMANCE: "1"
          command: |
            mkdir -p /tmp/test-reports/<< parameters.test-suite-name >>
            mkdir -p /tmp/test-artifacts
            gotestsum \
              --format << parameters.gotestsum-format >> \
              --junitfile /tmp/test-reports/<< parameters.test-suite-name >>/junit.xml \
              --jsonfile /tmp/test-artifacts/<< parameters.test-suite-name >>.json \
              -- \
              << parameters.coverage >> \
              << parameters.go-test-flags >> \
              << parameters.packages >>
          no_output_timeout: 30m
      - store_test_results:
          path: /tmp/test-reports
      - store_artifacts:
          path: /tmp/test-artifacts/<< parameters.test-suite-name >>.json
      - when:
          condition: << parameters.codecov-upload >>
          steps:
            - go/install: {package: bash}
            - go/install: {package: curl}
            - run:
                shell: /bin/bash -eo pipefail
                command: |
                  bash <(curl -s https://codecov.io/bash)

  test-short:
    <<: *test
  test-window-post:
    <<: *test
  test-conformance:
    description: |
      Run tests using a corpus of interoperable test vectors for Filecoin 
      implementations to test their correctness and compliance with the Filecoin
      specifications.
    parameters:
      <<: *test-params
      vectors-branch:
        type: string
        default: ""
        description: |
          Branch on github.com/filecoin-project/test-vectors to checkout and
          test with. If empty (the default) the commit defined by the git
          submodule is used.
    executor: << parameters.executor >>
    steps:
      - install-deps
      - prepare
      - run:
          command: make deps lotus
          no_output_timeout: 30m
      - download-params
      - when:
          condition:
            not:
              equal: [ "", << parameters.vectors-branch >> ]
          steps:
            - run:
                name: checkout vectors branch
                command: |
                  cd extern/test-vectors
                  git fetch
                  git checkout origin/<< parameters.vectors-branch >>
      - go/install-gotestsum:
          gobin: $HOME/.local/bin
          version: 0.5.2
      - run:
          name: install statediff globally
          command: |
            ## statediff is optional; we succeed even if compilation fails.
            mkdir -p /tmp/statediff
            git clone https://github.com/filecoin-project/statediff.git /tmp/statediff
            cd /tmp/statediff
            go install ./cmd/statediff || exit 0
      - run:
          name: go test
          environment:
            SKIP_CONFORMANCE: "0"
          command: |
            mkdir -p /tmp/test-reports
            mkdir -p /tmp/test-artifacts
            gotestsum \
              --format pkgname-and-test-fails \
              --junitfile /tmp/test-reports/junit.xml \
              -- \
              -v -coverpkg ./chain/vm/,github.com/filecoin-project/specs-actors/... -coverprofile=/tmp/conformance.out ./conformance/
            go tool cover -html=/tmp/conformance.out -o /tmp/test-artifacts/conformance-coverage.html
          no_output_timeout: 30m
      - store_test_results:
          path: /tmp/test-reports
      - store_artifacts:
          path: /tmp/test-artifacts/conformance-coverage.html

  build-macos:
    description: build darwin lotus binary
    macos:
      xcode: "10.0.0"
    working_directory: ~/go/src/github.com/filecoin-project/lotus
    steps:
      - prepare:
          linux: false
          darwin: true
      - run:
          name: Install go
          command: |
            curl -O https://dl.google.com/go/go1.14.2.darwin-amd64.pkg && \
            sudo installer -pkg go1.14.2.darwin-amd64.pkg -target /
      - run:
          name: Install pkg-config
          command: HOMEBREW_NO_AUTO_UPDATE=1 brew install pkg-config
      - run: go version
      - run:
          name: Install Rust
          command: |
            curl https://sh.rustup.rs -sSf | sh -s -- -y
      - run:
          name: Install jq
          command: |
            curl --location https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64 --output /usr/local/bin/jq
            chmod +x /usr/local/bin/jq
      - restore_cache:
          name: restore cargo cache
          key: v3-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/lotus/go.sum" }}
      - install-deps
      - run:
          command: make build
          no_output_timeout: 30m
      - store_artifacts:
          path: lotus
      - store_artifacts:
          path: lotus-miner
      - store_artifacts:
          path: lotus-worker
      - run: mkdir darwin && mv lotus lotus-miner lotus-worker darwin/
      - persist_to_workspace:
          root: "."
          paths:
            - darwin
      - save_cache:
          name: save cargo cache
          key: v3-go-deps-{{ arch }}-{{ checksum "~/go/src/github.com/filecoin-project/lotus/go.sum" }}
          paths:
            - "~/.rustup"
            - "~/.cargo"

  gofmt:
    executor: golang
    steps:
      - install-deps
      - prepare
      - run:
          command: "! go fmt ./... 2>&1 | read"

  cbor-gen-check:
    executor: golang
    steps:
      - install-deps
      - prepare
      - run: make deps
      - run: go install golang.org/x/tools/cmd/goimports
      - run: go install github.com/hannahhoward/cbor-gen-for
      - run: go generate ./...
      - run: git --no-pager diff
      - run: git --no-pager diff --quiet

  docs-check:
    executor: golang
    steps:
      - install-deps
      - prepare
      - run: make docsgen
      - run: git --no-pager diff
      - run: git --no-pager diff --quiet

  lint: &lint
    description: |
      Run golangci-lint.
    parameters:
      executor:
        type: executor
        default: golang
      golangci-lint-version:
        type: string
        default: 1.27.0
      concurrency:
        type: string
        default: '2'
        description: |
          Concurrency used to run linters. Defaults to 2 because NumCPU is not
          aware of container CPU limits.
      args:
        type: string
        default: ''
        description: |
          Arguments to pass to golangci-lint
    executor: << parameters.executor >>
    steps:
      - install-deps
      - prepare
      - run:
          command: make deps
          no_output_timeout: 30m
      - go/install-golangci-lint:
          gobin: $HOME/.local/bin
          version: << parameters.golangci-lint-version >>
      - run:
          name: Lint
          command: |
            $HOME/.local/bin/golangci-lint run -v --timeout 2m \
              --concurrency << parameters.concurrency >> << parameters.args >>
  lint-all:
    <<: *lint

  publish:
    description: publish binary artifacts
    executor: ubuntu
    steps:
      - run:
          name: Install git jq curl
          command: apt update && apt install -y git jq curl
      - checkout
      - git_fetch_all_tags
      - checkout
      - install_ipfs
      - attach_workspace:
          at: "."
      - run:
          name: Create bundles
          command: ./scripts/build-bundle.sh
      - run:
          name: Publish release
          command: ./scripts/publish-release.sh


workflows:
  version: 2.1
  ci:
    jobs:
      - lint-all:
          concurrency: "16"   # expend all docker 2xlarge CPUs.
      - mod-tidy-check
      - gofmt
      - cbor-gen-check
      - docs-check
      - test:
          codecov-upload: true
          test-suite-name: full
      - test-window-post:
          go-test-flags: "-run=TestWindowedPost"
          winpost-test: "1"
          test-suite-name: window-post
      - test-short:
          go-test-flags: "--timeout 10m --short"
          test-suite-name: short
          filters:
            tags:
              only:
                - /^v\d+\.\d+\.\d+$/
      - test-conformance:
          test-suite-name: conformance
          packages: "./conformance"
      - test-conformance:
          name: test-conformance-bleeding-edge
          test-suite-name: conformance-bleeding-edge
          packages: "./conformance"
          vectors-branch: master
      - build-debug
      - build-all:
          requires:
            - test-short
          filters:
            tags:
              only:
                - /^v\d+\.\d+\.\d+$/
      - build-macos:
          requires:
            - test-short
          filters:
            branches:
              ignore:
                - /.*/
            tags:
              only:
                - /^v\d+\.\d+\.\d+$/
      - publish:
          requires:
            - build-all
            - build-macos
          filters:
            branches:
              ignore:
                - /.*/
            tags:
              only:
                - /^v\d+\.\d+\.\d+$/