version: 2.1
executors:
  go1_11:
    docker:
      - image: circleci/golang:1.11
        environment:
          GO111MODULE: "on"
  go1_12:
    docker:
      - image: circleci/golang:1.12
        environment:
          GO111MODULE: "on"

commands:
  gomod:
    steps:
      - restore_cache:
          keys: [deps-]
      - run:
          name: Download go module dependencies
          command: go mod download
      - save_cache:
          key: deps-{{ checksum "go.sum" }}-{{ checksum "go.sum" }}
          paths: [/go/pkg/mod]

jobs:
  lint:
    working_directory: /go/src/github.com/CityOfZion/neo-go
    executor: go1_12
    steps:
      - checkout
      - gomod
      - run:
          name: go-lint
          command: |
            go get -u -v golang.org/x/lint/golint
            golint -set_exit_status ./...

  vet:
    working_directory: /go/src/github.com/CityOfZion/neo-go
    executor: go1_12
    steps:
      - checkout
      - gomod
      - run:
          name: go-vet
          command: go vet ./...

  test_1_11:
    working_directory: /go/src/github.com/CityOfZion/neo-go
    executor: go1_11
    steps:
      - checkout
      - gomod
      - run: go test -v -race ./...

  test_1_12:
    working_directory: /go/src/github.com/CityOfZion/neo-go
    executor: go1_12
    steps:
      - checkout
      - gomod
      - run: go test -v -race ./...

workflows:
  version: 2.1
  workflow:
    jobs:
      - vet:
          filters:
            tags:
              only: /[0-9]+\.[0-9]+\.[0-9]+/
      - lint:
          filters:
            tags:
              only: /[0-9]+\.[0-9]+\.[0-9]+/
      - test_1_11:
          filters:
            tags:
              only: /[0-9]+\.[0-9]+\.[0-9]+/
      - test_1_12:
          filters:
            tags:
              only: /[0-9]+\.[0-9]+\.[0-9]+/