Update golangci-lint

wrappers/packetack/client_abridged.go

@@ -6,10 +6,9 @@ import (
 	"io"
 	"net"
 
-	"go.uber.org/zap"
-
 	"github.com/9seconds/mtg/conntypes"
 	"github.com/9seconds/mtg/utils"
+	"go.uber.org/zap"
 )
 
 const (

wrappers/packetack/client_intermediate.go

@@ -7,9 +7,8 @@ import (
 	"io"
 	"net"
 
-	"go.uber.org/zap"
-
 	"github.com/9seconds/mtg/conntypes"
+	"go.uber.org/zap"
 )
 
 const clientIntermediateQuickAckLength = 0x80000000

wrappers/packetack/client_intermediate_secure.go

@@ -6,9 +6,8 @@ import (
 	"fmt"
 	"math/rand"
 
-	"go.uber.org/zap"
-
 	"github.com/9seconds/mtg/conntypes"
+	"go.uber.org/zap"
 )
 
 type wrapperClientIntermediateSecure struct {
@@ -36,7 +35,7 @@ func (w *wrapperClientIntermediateSecure) Write(packet conntypes.Packet, acks *c
 	}
 
 	buf := &bytes.Buffer{}
-	paddingLength := rand.Intn(4)
+	paddingLength := rand.Intn(4) // nolint: gosec
 
 	buf.Grow(4 + len(packet) + paddingLength)
 

wrappers/packetack/proxy.go

@@ -64,6 +64,7 @@ func (w *wrapperProxy) Read(acks *conntypes.ConnectionAcks) (conntypes.Packet, e
 
 func (w *wrapperProxy) Close() error {
 	w.proxy.Close()
+
 	return nil
 }
 
@@ -77,7 +78,7 @@ func NewProxy(request *protocol.TelegramRequest) (conntypes.PacketAckReadWriteCl
 		flags |= rpc.ProxyRequestFlagsIntermediate
 	case conntypes.ConnectionTypeSecure:
 		flags |= rpc.ProxyRequestFlagsIntermediate | rpc.ProxyRequestFlagsPad
-	default:
+	case conntypes.ConnectionTypeUnknown:
 		panic("unknown connection type")
 	}