fix: update lint rules

Makefile

@@ -1,7 +1,7 @@
 generate:
 	go generate ./...
 lint:
-	golangci-lint run
+	golangci-lint run --fix
 test:
 	go test -race -cover ./...
 release:

exchange/binance.go

@@ -56,7 +56,7 @@ func WithMetadataFetcher(fetcher MetadataFetchers) BinanceOption {
 
 // WithTestNet activate Bianance testnet
 func WithTestNet() BinanceOption {
-	return func(b *Binance) {
+	return func(_ *Binance) {
 		binance.UseTestnet = true
 	}
 }

ninjabot.go

@@ -125,7 +125,7 @@ func WithStorage(storage storage.Storage) Option {
 
 // WithLogLevel sets the log level. eg: log.DebugLevel, log.InfoLevel, log.WarnLevel, log.ErrorLevel, log.FatalLevel
 func WithLogLevel(level log.Level) Option {
-	return func(bot *NinjaBot) {
+	return func(_ *NinjaBot) {
 		log.SetLevel(level)
 	}
 }

order/feed_test.go

@@ -3,8 +3,9 @@ package order
 import (
 	"testing"
 
-	"github.com/rodrigo-brito/ninjabot/model"
 	"github.com/stretchr/testify/require"
+
+	"github.com/rodrigo-brito/ninjabot/model"
 )
 
 func TestFeed_NewOrderFeed(t *testing.T) {
@@ -16,7 +17,7 @@ func TestFeed_Subscribe(t *testing.T) {
 	feed, pair := NewOrderFeed(), "blaus"
 	called := make(chan bool, 1)
 
-	feed.Subscribe(pair, func(order model.Order) {
+	feed.Subscribe(pair, func(_ model.Order) {
 		called <- true
 	}, false)
 

plot/chart.go

@@ -423,7 +423,7 @@ func (c *Chart) Start() error {
 		http.FileServer(http.FS(staticFiles)),
 	)
 
-	http.HandleFunc("/assets/chart.js", func(w http.ResponseWriter, req *http.Request) {
+	http.HandleFunc("/assets/chart.js", func(w http.ResponseWriter, _ *http.Request) {
 		w.Header().Set("Content-type", "application/javascript")
 		fmt.Fprint(w, c.scriptContent)
 	})

storage/buntdb.go

@@ -6,8 +6,9 @@ import (
 	"strconv"
 	"sync/atomic"
 
-	"github.com/rodrigo-brito/ninjabot/model"
 	"github.com/tidwall/buntdb"
+
+	"github.com/rodrigo-brito/ninjabot/model"
 )
 
 type Bunt struct {
@@ -73,7 +74,7 @@ func (b Bunt) UpdateOrder(order *model.Order) error {
 func (b Bunt) Orders(filters ...OrderFilter) ([]*model.Order, error) {
 	orders := make([]*model.Order, 0)
 	err := b.db.View(func(tx *buntdb.Tx) error {
-		err := tx.Ascend("update_index", func(key, value string) bool {
+		err := tx.Ascend("update_index", func(_, value string) bool {
 			var order model.Order
 			err := json.Unmarshal([]byte(value), &order)
 			if err != nil {