multi: use the "errors" package everywhere

Replace all usages of the "github.com/go-errors/errors" and
"github.com/pkg/errors" packages with the standard lib's "errors"
package. This ensures that error wrapping and `errors.Is` checks will
work as expected.

Author: ellemouton

channeldb/db.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -12,7 +13,6 @@ import (
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcwallet/walletdb"
-	"github.com/go-errors/errors"
 	mig "github.com/lightningnetwork/lnd/channeldb/migration"
 	"github.com/lightningnetwork/lnd/channeldb/migration12"
 	"github.com/lightningnetwork/lnd/channeldb/migration13"

channeldb/meta_test.go

@@ -2,10 +2,11 @@ package channeldb
 
 import (
 	"bytes"
+	"errors"
+	"fmt"
 	"testing"
 
 	"github.com/btcsuite/btcwallet/walletdb"
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/stretchr/testify/require"
 )
@@ -48,7 +49,7 @@ func applyMigration(t *testing.T, beforeMigration, afterMigration func(d *DB),
 			if dryRun && r != ErrDryRunMigrationOK {
 				t.Fatalf("expected dry run migration OK")
 			}
-			err = errors.New(r)
+			err = fmt.Errorf("%v", r)
 		}
 
 		if err == nil && shouldFail {

channeldb/migration/lnwire21/lnwire.go

@@ -3,6 +3,7 @@ package lnwire
 import (
 	"bytes"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"image/color"
 	"io"
@@ -13,7 +14,6 @@ import (
 	"github.com/btcsuite/btcd/btcutil"
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/tor"
 )
 

channeldb/migration/lnwire21/onion_error.go

@@ -9,7 +9,6 @@ import (
 	"io"
 
 	"github.com/davecgh/go-spew/spew"
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/tlv"
 )
 
@@ -1451,7 +1450,7 @@ func makeEmptyOnionError(code FailCode) (FailureMessage, error) {
 		return &FailInvalidBlinding{}, nil
 
 	default:
-		return nil, errors.Errorf("unknown error code: %v", code)
+		return nil, fmt.Errorf("unknown error code: %v", code)
 	}
 }
 

channeldb/migration_01_to_11/meta_test.go

@@ -1,9 +1,9 @@
 package migration_01_to_11
 
 import (
+	"fmt"
 	"testing"
 
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/kvdb"
 )
 
@@ -33,7 +33,7 @@ func applyMigration(t *testing.T, beforeMigration, afterMigration func(d *DB),
 
 	defer func() {
 		if r := recover(); r != nil {
-			err = errors.New(r)
+			err = fmt.Errorf("%v", r)
 		}
 
 		if err == nil && shouldFail {

channeldb/migration_01_to_11/migrations_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"crypto/sha256"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"math/rand"
 	"reflect"
@@ -12,7 +13,6 @@ import (
 
 	"github.com/btcsuite/btcd/btcutil"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/go-errors/errors"
 	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/lightningnetwork/lnd/lntypes"

channeldb/waitingproof.go

@@ -3,11 +3,11 @@ package channeldb
 import (
 	"bytes"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"sync"
 
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/lightningnetwork/lnd/lnwire"
 )

channeldb/waitingproof_test.go

@@ -1,11 +1,11 @@
 package channeldb
 
 import (
+	"errors"
 	"reflect"
 	"testing"
 
 	"github.com/davecgh/go-spew/spew"
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/stretchr/testify/require"
 )

contractcourt/breach_arbitrator_test.go

@@ -5,6 +5,7 @@ import (
 	crand "crypto/rand"
 	"crypto/sha256"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"math/rand"
@@ -19,7 +20,6 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcd/wire"
-	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/fn/v2"

discovery/gossiper_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	prand "math/rand"
 	"net"
@@ -20,7 +21,6 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/go-errors/errors"
 	"github.com/lightninglabs/neutrino/cache"
 	"github.com/lightningnetwork/lnd/batch"
 	"github.com/lightningnetwork/lnd/chainntnfs"