errors.go

// Copyright 2022 storyicon@foxmail.com
//
// 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package sigverify

import (
	"strings"
)

// IsErrExecutionReverted is used to determine whether err is an ExecutionReverted error
func IsErrExecutionReverted(err error) bool {
	return err != nil && strings.HasPrefix(err.Error(), "execution reverted")
}

// IsErrNoContractCode is used to determine whether err is an NoContractCode error
func IsErrNoContractCode(err error) bool {
	return err != nil && strings.HasPrefix(err.Error(), "no contract code at given address")
}