// Copyright 2021 TiKV Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.

package txnlock

import (
	"github.com/pingcap/kvproto/pkg/kvrpcpb"
	tikverr "github.com/tikv/client-go/v2/error"
)

// ExtractLockFromKeyErr extracts the KeyError.
func ExtractLockFromKeyErr(keyErr *kvrpcpb.KeyError) (*Lock, error) {
	if locked := keyErr.GetLocked(); locked != nil {
		return NewLock(locked), nil
	}
	return nil, tikverr.ExtractKeyErr(keyErr)
}