Merge pull request #24 from gnolang/feat/use-slog

feat: utilize slog

Author: gfanton

cmd/logger.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"log/slog"
 	"os"
 	"regexp"
 	"strconv"
@@ -18,7 +19,6 @@ import (
 	"github.com/peterbourgon/ff/v3"
 	"github.com/peterbourgon/ff/v3/ffcli"
 	"github.com/peterbourgon/ff/v3/fftoml"
-	"go.uber.org/zap"
 )
 
 const (
@@ -179,17 +179,14 @@ func (c *faucetCfg) exec(_ context.Context, _ []string) error {
 	}
 
 	// Create a new logger
-	logger, err := zap.NewDevelopment()
-	if err != nil {
-		return err
-	}
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
 
 	// Create a new faucet with
 	// static gas estimation
 	f, err := faucet.NewFaucet(
 		static.New(gasFee, gasWanted),
 		tm2Client.NewClient(c.remote),
-		faucet.WithLogger(newCommandLogger(logger)),
+		faucet.WithLogger(logger),
 		faucet.WithConfig(c.config),
 	)
 	if err != nil {

cmd/serve.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"io"
+	"log/slog"
 	"net"
 	"net/http"
 	"time"
@@ -13,8 +15,6 @@ import (
 	"github.com/gnolang/faucet/estimate"
 	"github.com/gnolang/faucet/keyring"
 	"github.com/gnolang/faucet/keyring/memory"
-	"github.com/gnolang/faucet/log"
-	"github.com/gnolang/faucet/log/noop"
 	"github.com/gnolang/gno/tm2/pkg/std"
 	"github.com/go-chi/chi/v5"
 	"github.com/rs/cors"
@@ -24,7 +24,7 @@ import (
 // Faucet is a standard Gno faucet
 type Faucet struct {
 	estimator estimate.Estimator // gas pricing estimations
-	logger    log.Logger         // log feedback
+	logger    *slog.Logger       // log feedback
 	client    client.Client      // TM2 client
 	keyring   keyring.Keyring    // the faucet keyring
 
@@ -38,6 +38,8 @@ type Faucet struct {
 	sendAmount std.Coins // for fast lookup
 }
 
+var noopLogger = slog.New(slog.NewTextHandler(io.Discard, nil))
+
 // NewFaucet creates a new instance of the Gno faucet server
 func NewFaucet(
 	estimator estimate.Estimator,
@@ -47,7 +49,7 @@ func NewFaucet(
 	f := &Faucet{
 		estimator:      estimator,
 		client:         client,
-		logger:         noop.New(),
+		logger:         noopLogger,
 		config:         config.DefaultConfig(),
 		prepareTxMsgFn: defaultPrepareTxMessage,
 		middlewares:    nil, // no middlewares by default

faucet.go

@@ -5,7 +5,6 @@ import (
 	"testing"
 
 	"github.com/gnolang/faucet/config"
-	"github.com/gnolang/faucet/log/noop"
 	"github.com/gnolang/gno/gno.land/pkg/sdk/vm"
 	"github.com/gnolang/gno/tm2/pkg/crypto"
 	"github.com/gnolang/gno/tm2/pkg/std"
@@ -135,7 +134,7 @@ func TestFaucet_NewFaucet(t *testing.T) {
 			&mockEstimator{},
 			&mockClient{},
 			WithConfig(config.DefaultConfig()),
-			WithLogger(noop.New()),
+			WithLogger(noopLogger),
 		)
 
 		assert.NotNil(t, f)

faucet_test.go

@@ -9,7 +9,6 @@ require (
 	github.com/peterbourgon/ff/v3 v3.4.0
 	github.com/rs/cors v1.10.1
 	github.com/stretchr/testify v1.9.0
-	go.uber.org/zap v1.27.0
 	golang.org/x/sync v0.6.0
 )
 

go.mod

@@ -158,12 +158,8 @@ go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 go.opencensus.io v0.22.5 h1:dntmOdLpSpHlVqbW5Eay97DelsZHe+55D+xC6i0dDS0=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
-go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
-go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=

go.sum

@@ -1,14 +1,15 @@
 package faucet
 
 import (
+	"log/slog"
+
 	"github.com/gnolang/faucet/config"
-	"github.com/gnolang/faucet/log"
 )
 
 type Option func(f *Faucet)
 
 // WithLogger specifies the logger for the faucet
-func WithLogger(l log.Logger) Option {
+func WithLogger(l *slog.Logger) Option {
 	return func(f *Faucet) {
 		f.logger = l
 	}

log/log.go

@@ -3,20 +3,20 @@ package http
 import (
 	"encoding/json"
 	"fmt"
+	"log/slog"
 	"net/http"
 
-	"github.com/gnolang/faucet/log"
 	"github.com/gnolang/faucet/writer"
 )
 
 var _ writer.ResponseWriter = (*ResponseWriter)(nil)
 
 type ResponseWriter struct {
-	logger log.Logger
+	logger *slog.Logger
 	w      http.ResponseWriter
 }
 
-func New(logger log.Logger, w http.ResponseWriter) ResponseWriter {
+func New(logger *slog.Logger, w http.ResponseWriter) ResponseWriter {
 	return ResponseWriter{
 		logger: logger,
 		w:      w,