.golangci.yml

version: "2"

run:
  tests: true
  timeout: 5m

linters:
  # Default v2 linter set options (standard/all/none/fast)
  default: standard
  enable:
    # Critical / foundational
    - staticcheck
    - govet
    - errcheck
    - ineffassign
    - unused
    - errorlint
    - revive
    - gocritic
    - makezero
    - durationcheck
    - nilerr
    - bodyclose
    - rowserrcheck
    - sqlclosecheck
    - noctx
    - perfsprint
    - sloglint
    - nolintlint
    - tparallel
    - gosec
    # Policy / helper
    - depguard
    - forbidigo
    - copyloopvar
    # Complexity / duplication (enabled for main code)
    - goconst
    - cyclop
    - gocognit
    - dupl
    - unparam
    - unconvert
  disable:
    # Linters with preference-dependent behavior; keep disabled for now
    - exhaustruct
    - varnamelen
    - wsl
    - nlreturn
    - nonamedreturns
    - funlen
    - nakedret
    - err113
    - gochecknoglobals

  # Test-only relaxations (disable specific linters for _test.go files)
  exclusions:
    rules:
      - path: '(^|.*/)test/.*\.go'
        linters:
          - forbidigo # Allow fmt.Print / time.Sleep in tests
          - revive # Ignore minor style issues inside tests
          - gosec # Reduce false positives for simple test I/O
          - dupl # Accept similar duplicated test cases
          - gocognit # Relax complexity requirements for readability
          - cyclop
          - goconst # Loosen constant enforcement within tests
          - funlen # Allow longer test functions
          - nlreturn
          - varnamelen
          - wsl
          - nolintlint # Allow simpler usage of //nolint in tests
          - perfsprint # Relax performance-focused checks for tests
          - unparam # Avoid false positives for unused parameters
          - unconvert

  settings:
    # Detect loop variable capture issues
    govet:
      enable:
        - loopclosure
    # Block testify usage in tests (applies only to $test)
    depguard:
      rules:
        main:
          files:
            - $all
            - "!$test"
          deny:
            - pkg: syscall
              desc: |
                Deprecated: This package is locked down.
                Callers should use the corresponding package in the golang.org/x/sys repository instead.
                That is also where updates required by new systems or versions should be applied.
                See https://golang.org/s/go1.4-syscall for more information.
            - pkg: github.com/satori/go.uuid
              desc: |
                This package have vulnerability. Please use alternative uuid package such as "github.com/google/uuid".
            - pkg: github.com/golang/protobuf/proto
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/proto" package instead.
            - pkg: github.com/golang/protobuf/ptypes
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/anypb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/any
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/anypb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/duration
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/durationpb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/empty
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/emptypb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/struct
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/structpb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/timestamp
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/timestamppb" package instead.
            - pkg: github.com/golang/protobuf/ptypes/wrappers
              desc: |
                Deprecated: Use the "google.golang.org/protobuf/types/known/wrapperspb" package instead.
            - pkg: github.com/grpc-ecosystem/go-grpc-middleware/logging/zap/ctxzap
              desc: |
                DO NOT USE ctxzap. Please check grpcserver/internal#LogWithFields.
            - pkg: github.com/pkg/errors
              desc: Should be replaced by standard lib errors package
            - pkg: golang.org/x/sync/errgroup
              desc: |
                Use panic recoverable version github.com/kouzoh-mercoin/mercoin-core-kit/sync/recoverable or github.com/sourcegraph/conc instead.
        test:
          files:
            - $test
          deny:
            - pkg: github.com/stretchr/testify
              desc: |
                DO NOT USE testing framework.

    gocognit:
      min-complexity: 20
    goconst:
      min-len: 3
      min-occurrences: 3
    dupl:
      threshold: 200

    revive:
      rules:
        - name: error-strings
        - name: indent-error-flow
        - name: exported
        - name: package-comments
        - name: redefines-builtin-id
        - name: if-return
        - name: superfluous-else
        - name: var-naming

    nolintlint:
      require-explanation: true
      require-specific: true

# v2 formatters (used by `golangci-lint fmt`)
formatters:
  enable:
    - gofmt
    - goimports
    - gofumpt
    - gci
    - golines
  settings:
    golines:
      max-len: 120
    gci:
      sections:
        - standard
        - default
        - prefix(github.com/your/module) # Replace with your module path