version: 2.1

commands:
  test:
    parameters:
      arch:
        default: "amd64"
        description: The target architecture.
        type: enum
        enum: ["amd64", "386"]
    steps:
      - run:
          name: "Test (<<parameters.arch>>)"
          command: |
            export GOARCH=<<parameters.arch>>
            go version
            go env
            go test -v -coverprofile=coverage-<<parameters.arch>>.txt -covermode=count

jobs:

  go123:
    docker:
      - image: cimg/go:1.23
    steps:
      - run:
          name: "Install tools"
          command: |
            curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.61.0
      - checkout
      - run:
          name: "Lint"
          command: golangci-lint run
      - test:
          arch: "amd64"
      - test:
          arch: "386"
      - run:
          name: "Codecov upload"
          command: bash <(curl -s https://codecov.io/bash)
      - restore_cache:
          keys:
            - corpus-v3
      - run:
          name: "Fuzzing"
          command: |
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzBinaryOperations -fuzztime 20s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzCompareOperations -fuzztime 20s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzTernaryOperations -fuzztime 20s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzBase10StringCompare -fuzztime 10s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzDecimal -fuzztime 10s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzFloat64 -fuzztime 10s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzLog10 -fuzztime 10s
            GOCACHE=/home/circleci/project/corpus-v3 go test . -run - -fuzz FuzzSetString -fuzztime 10s
      - save_cache:
          key: corpus-v3-{{ epoch }}
          paths:
            - corpus-v3
      - run:
          name: "Benchmark"
          command: go test -run=- -bench=. -benchmem
      - run:
          name: "Build tests for PPC64"
          command: |
            GOARCH=ppc64 go test -c
            mv uint256.test uint256.test.ppc64
      - persist_to_workspace:
          root: .
          paths:
            - uint256.test.*

  bigendian:
    docker:
      - image: cimg/base:current
    steps:
      - run:
          name: "Install QEMU"
          command: sudo apt-get -q update && sudo apt-get -qy install qemu-user-static --no-install-recommends
      - attach_workspace:
          at: .
      - run:
          name: "Test (PPC64 emulation)"
          command: qemu-ppc64-static uint256.test.ppc64 -test.v

  go122:
    docker:
      - image: cimg/go:1.22
    steps:
      - checkout
      - test

  go121:
    docker:
      - image: cimg/go:1.21
    steps:
      - checkout
      - test

  go120:
    docker:
      - image: cimg/go:1.20
    steps:
      - checkout
      - test

  go119:
    docker:
      - image: cimg/go:1.19
    steps:
      - checkout
      - test



workflows:
  version: 2
  uint256:
    jobs:
      - go119
      - go120
      - go121
      - go122
      - go123:
          requires:
            - go122
      - bigendian:
          requires:
            - go123