Replace gometalinter with golangci-lint (4.5x faster). Closes #1017

.golangci.yml

@@ -0,0 +1,73 @@
+run:
+  concurrency: 4
+  deadline: 1m
+  issues-exit-code: 1
+  tests: true
+  # build-tags:
+  #   - mytag
+  skip-dirs:
+    - static
+  skip-files:
+    - .*_mock.go
+    - jail/doc.go
+
+output:
+  format: colored-line-number
+  print-issued-lines: true
+  print-linter-name: true
+
+linters-settings:
+  errcheck:
+    check-type-assertions: false
+    check-blank: false
+  govet:
+    check-shadowing: false
+  golint:
+    min-confidence: 0.8
+  gofmt:
+    simplify: true
+  gocyclo:
+    min-complexity: 16
+  maligned:
+    suggest-new: true
+  dupl:
+    threshold: 50
+  goconst:
+    min-len: 3
+    min-occurrences: 2
+  # depguard:
+  #   list-type: blacklist
+  #   include-go-root: false
+  #   packages:
+  #     - github.com/davecgh/go-spew/spew
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    #- depguard
+    - errcheck
+    - gas
+    - goconst
+    - gocyclo
+    - gofmt
+    - golint
+    - govet
+    - ineffassign
+    - interfacer
+    - megacheck
+    #- misspell
+    - structcheck
+    - unconvert
+    - varcheck
+  fast: false
+
+# issues:
+#   exclude:
+#     - abcdef
+#   exclude-use-default: true
+#   max-per-linter: 0
+#   max-same: 0
+#   new: false
+#   new-from-rev: ""
+#   new-from-patch: ""

.gometalinter.json

@@ -1,35 +0,0 @@
-{
-    "Exclude": [
-        ".*_mock.go",
-        "jail/doc.go",
-        ".*Errors unhandled.*fmt.Fprint.*gasv2.*"
-    ],
-    "Skip": ["helpers", "static"],
-    "Vendor": true,
-    "Test": true,
-    "Linters": {
-        "gasv2": {
-          "Command": "gas -fmt=csv",
-          "Pattern": "^(?P<path>.*?\\.go),(?P<line>\\d+),(?P<message>[^,]+,[^,]+,[^,]+,\".*\")"
-        }
-    },
-    "Enable": [
-        "deadcode",
-        "errcheck",
-        "gasv2",
-        "goconst",
-        "gocyclo",
-        "gofmt",
-        "golint",
-        "ineffassign",
-        "interfacer",
-        "megacheck",
-        "misspell",
-        "structcheck",
-        "unconvert",
-        "varcheck",
-        "vet"
-    ],
-    "Cyclo": 16,
-    "Deadline": "200s"
-}

Makefile

@@ -195,12 +195,14 @@ test-e2e-race: gotest_extraflags=-race
 test-e2e-race: test-e2e ##@tests Run e2e tests with -race flag
 
 lint-install:
-	go get -u github.com/alecthomas/gometalinter
+	go get -u github.com/client9/misspell/cmd/misspell
-	gometalinter --install
+	@# The following installs a specific version of golangci-lint, which is appropriate for a CI server to avoid different results from build to build
+	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | bash -s -- -b $(GOPATH)/bin v1.6.1
 
 lint:
 	@echo "lint"
-	@gometalinter ./...
+	@golangci-lint run ./...
+	@find . -type f -not -path "./.ethereumtest/*" -not -path "./vendor/*" -not -path "./extkeys/mnemonic.go" -not -path "./extkeys/mnemonic_vectors.json" -print0 | xargs -0 misspell
 
 ci: lint mock dep-ensure test-unit test-e2e ##@tests Run all linters and tests at once