Merge pull request #172 from ardevd/replace-ioutil-calls

refactor: replaced deprecated ioutil calls with os equivalents

Author: guggero

basic_client.go

@@ -3,7 +3,7 @@ package lndclient
 import (
 	"encoding/hex"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"github.com/lightningnetwork/lnd/lncfg"
@@ -184,7 +184,7 @@ func parseTLSAndMacaroon(tlsPath, macDir, network string,
 		macPath := filepath.Join(macDir, bco.macFilename)
 
 		// Load the specified macaroon file.
-		macBytes, err = ioutil.ReadFile(macPath)
+		macBytes, err = os.ReadFile(macPath)
 		if err != nil {
 			return nil, nil, err
 		}

basic_client_test.go

@@ -2,7 +2,6 @@ package lndclient
 
 import (
 	"encoding/hex"
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -46,21 +45,19 @@ XhkpT5dliEGFLNe6OOgeWTU1JpEXfCud/GImtNMHQi4EDWQfvWuCNGhOoQ==
 
 	// Now let's write the data to a file to make sure parseTLSAndMacaroon
 	// parses that properly as well.
-	tempDirPath, err := ioutil.TempDir("", ".testCreds")
-	require.NoError(t, err)
-	defer os.RemoveAll(tempDirPath)
+	tempDirPath := t.TempDir()
 
 	certPath := tempDirPath + "/tls.cert"
 	tlsPEMBytes := []byte(tlsData)
 
-	err = ioutil.WriteFile(certPath, tlsPEMBytes, 0644)
+	err = os.WriteFile(certPath, tlsPEMBytes, 0644)
 	require.NoError(t, err)
 
 	macPath := tempDirPath + "/test.macaroon"
 	macBytes, err := hex.DecodeString(macData)
 	require.NoError(t, err)
 
-	err = ioutil.WriteFile(macPath, macBytes, 0644)
+	err = os.WriteFile(macPath, macBytes, 0644)
 	require.NoError(t, err)
 
 	_, _, err = parseTLSAndMacaroon(

macaroon_pouch.go

@@ -3,7 +3,7 @@ package lndclient
 import (
 	"context"
 	"encoding/hex"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"google.golang.org/grpc/metadata"
@@ -64,7 +64,7 @@ type serializedMacaroon string
 // newSerializedMacaroon reads a new serializedMacaroon from that target
 // macaroon path. If the file can't be found, then an error is returned.
 func newSerializedMacaroon(macaroonPath string) (serializedMacaroon, error) {
-	macBytes, err := ioutil.ReadFile(macaroonPath)
+	macBytes, err := os.ReadFile(macaroonPath)
 	if err != nil {
 		return "", err
 	}

macaroon_recipes_test.go

@@ -3,7 +3,7 @@ package lndclient_test
 import (
 	"context"
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/lightninglabs/lndclient"
@@ -48,7 +48,7 @@ func (m *lightningMock) ListPermissions(
 func TestMacaroonRecipe(t *testing.T) {
 	// Load our static permissions exported from lnd by calling
 	// `lncli listpermissions > permissions.json`.
-	content, err := ioutil.ReadFile("testdata/permissions.json")
+	content, err := os.ReadFile("testdata/permissions.json")
 	require.NoError(t, err)
 
 	data := &permissionJSONData{}