github.com/jeffallen/go-ethereum@v1.1.4-0.20150910155051-571d3236c49c/core/vm/errors.go (about) 1 // Copyright 2014 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package vm 18 19 import ( 20 "errors" 21 "fmt" 22 23 "github.com/ethereum/go-ethereum/params" 24 ) 25 26 var OutOfGasError = errors.New("Out of gas") 27 var DepthError = fmt.Errorf("Max call depth exceeded (%d)", params.CallCreateDepth) 28 29 type StackError struct { 30 req, has int 31 } 32 33 func StackErr(req, has int) StackError { 34 return StackError{req, has} 35 } 36 37 func (self StackError) Error() string { 38 return fmt.Sprintf("stack error! require %v, have %v", self.req, self.has) 39 } 40 41 func IsStackErr(err error) bool { 42 _, ok := err.(StackError) 43 return ok 44 }