paseto: fix linter warnings

Remove unused constant "dateTimeLayout", check for error in call to
AddPeer method in test and example, and suppress govet warning on
le64().

4 files changed, 16 insertions, 8 deletions

diff --git a/lib/paseto/example_public_mode_test.go b/lib/paseto/example_public_mode_test.go
index 9b283513..d109693d 100644
--- a/lib/paseto/example_public_mode_test.go
+++ b/lib/paseto/example_public_mode_test.go
@@ -41,7 +41,11 @@ func ExamplePublicMode() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	sender.AddPeer(receiverKey)
+
+	err = sender.AddPeer(receiverKey)
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	footer := map[string]interface{}{
 		"FOOTER": "HERE",
@@ -66,7 +70,11 @@ func ExamplePublicMode() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	receiver.AddPeer(senderKey)
+
+	err = receiver.AddPeer(senderKey)
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	// receiver receive the token from sender and unpack it ...
 	got, err := receiver.Unpack(token)
diff --git a/lib/paseto/json_token.go b/lib/paseto/json_token.go
index 8a8df471..70eca8c9 100644
--- a/lib/paseto/json_token.go
+++ b/lib/paseto/json_token.go
@@ -9,10 +9,6 @@ import (
 	"time"
 )
 
-const (
-	dateTimeLayout = "2006-01-02T15:04:05-07:00"
-)
-
 type JSONToken struct {
 	Issuer    string     `json:"iss,omitempty"`
 	Subject   string     `json:"sub,omitempty"`
diff --git a/lib/paseto/paseto.go b/lib/paseto/paseto.go
index 811c5794..ff868bf6 100644
--- a/lib/paseto/paseto.go
+++ b/lib/paseto/paseto.go
@@ -353,7 +353,7 @@ func le64(n byte) (out []byte, err error) {
 		if err != nil {
 			return out, err
 		}
-		n = n >> 8
+		n = n >> 8 //nolint: govet
 	}
 	return buf.Bytes(), nil
 }
diff --git a/lib/paseto/public_mode_test.go b/lib/paseto/public_mode_test.go
index f09675b9..3e2c78cf 100644
--- a/lib/paseto/public_mode_test.go
+++ b/lib/paseto/public_mode_test.go
@@ -31,7 +31,11 @@ func TestPublicMode_UnpackHTTPRequest(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	auth.AddPeer(ourKey)
+
+	err = auth.AddPeer(ourKey)
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	data := []byte("This is a signed message")