Remove github.com/pkg/errors use in peerconn.go

Was contributing to unexpected CPU use, and it's way out of date.

diff --git a/peerconn.go b/peerconn.go
index a9decda15e2be4616a550175b077aa1fc5e10ed4..b26f439842fc238763dbd12e7d1f63051cd875e7 100644 (file)
--- a/peerconn.go
+++ b/peerconn.go
@@ -3,6 +3,7 @@ package torrent
 import (
        "bufio"
        "bytes"
+       "errors"
        "fmt"
        "io"
        "math/rand"
@@ -19,7 +20,6 @@ import (
        "github.com/anacrolix/missinggo/v2/prioritybitmap"
        "github.com/anacrolix/multiless"
        "github.com/anacrolix/torrent/metainfo"
-       "github.com/pkg/errors"
 
        "github.com/anacrolix/torrent/bencode"
        "github.com/anacrolix/torrent/mse"
@@ -1291,7 +1291,7 @@ func (c *PeerConn) onReadExtendedMsg(id pp.ExtensionNumber, payload []byte) (err
                var d pp.ExtendedHandshakeMessage
                if err := bencode.Unmarshal(payload, &d); err != nil {
                        c.logger.Printf("error parsing extended handshake message %q: %s", payload, err)
-                       return errors.Wrap(err, "unmarshalling extended handshake payload")
+                       return fmt.Errorf("unmarshalling extended handshake payload: %w", err)
                }
                if cb := c.callbacks.ReadExtendedHandshake; cb != nil {
                        cb(c, &d)
@@ -1314,7 +1314,7 @@ func (c *PeerConn) onReadExtendedMsg(id pp.ExtensionNumber, payload []byte) (err
                }
                if d.MetadataSize != 0 {
                        if err = t.setMetadataSize(d.MetadataSize); err != nil {
-                               return errors.Wrapf(err, "setting metadata size to %d", d.MetadataSize)
+                               return fmt.Errorf("setting metadata size to %d: %w", d.MetadataSize, err)
                        }
                }
                c.requestPendingMetadata()