go-ethereum/core/vm/errors.go
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
2015-07-22 18:51:45 +02:00

45 lines
1.3 KiB
Go

// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package vm
import (
"errors"
"fmt"
"github.com/ethereum/go-ethereum/params"
)
var OutOfGasError = errors.New("Out of gas")
var DepthError = fmt.Errorf("Max call depth exceeded (%d)", params.CallCreateDepth)
type StackError struct {
req, has int
}
func StackErr(req, has int) StackError {
return StackError{req, has}
}
func (self StackError) Error() string {
return fmt.Sprintf("stack error! require %v, have %v", self.req, self.has)
}
func IsStackErr(err error) bool {
_, ok := err.(StackError)
return ok
}