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