github.com/core-coin/go-core/v2@v2.1.9/core/vm/errors.go (about)

     1  // Copyright 2014 by the Authors
     2  // This file is part of the go-core library.
     3  //
     4  // The go-core 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-core 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-core library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package vm
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  )
    23  
    24  // List cvm execution errors
    25  var (
    26  	// ErrInvalidSubroutineEntry means that a BEGINSUB was reached via iteration,
    27  	// as opposed to from a JUMPSUB instruction
    28  	ErrInvalidSubroutineEntry   = errors.New("invalid subroutine entry")
    29  	ErrOutOfEnergy              = errors.New("out of energy")
    30  	ErrCodeStoreOutOfEnergy     = errors.New("contract creation code storage out of energy")
    31  	ErrDepth                    = errors.New("max call depth exceeded")
    32  	ErrInsufficientBalance      = errors.New("insufficient balance for transfer")
    33  	ErrContractAddressCollision = errors.New("contract address collision")
    34  	ErrExecutionReverted        = errors.New("execution reverted")
    35  	ErrMaxCodeSizeExceeded      = errors.New("max code size exceeded")
    36  	ErrInvalidJump              = errors.New("invalid jump destination")
    37  	ErrWriteProtection          = errors.New("write protection")
    38  	ErrReturnDataOutOfBounds    = errors.New("return data out of bounds")
    39  	ErrEnergyUintOverflow       = errors.New("energy uint64 overflow")
    40  	ErrInvalidRetsub            = errors.New("invalid retsub")
    41  	ErrReturnStackExceeded      = errors.New("return stack limit reached")
    42  )
    43  
    44  // ErrStackUnderflow wraps an cvm error when the items on the stack less
    45  // than the minimal requirement.
    46  type ErrStackUnderflow struct {
    47  	stackLen int
    48  	required int
    49  }
    50  
    51  func (e *ErrStackUnderflow) Error() string {
    52  	return fmt.Sprintf("stack underflow (%d <=> %d)", e.stackLen, e.required)
    53  }
    54  
    55  // ErrStackOverflow wraps an cvm error when the items on the stack exceeds
    56  // the maximum allowance.
    57  type ErrStackOverflow struct {
    58  	stackLen int
    59  	limit    int
    60  }
    61  
    62  func (e *ErrStackOverflow) Error() string {
    63  	return fmt.Sprintf("stack limit reached %d (%d)", e.stackLen, e.limit)
    64  }
    65  
    66  // ErrInvalidOpCode wraps an cvm error when an invalid opcode is encountered.
    67  type ErrInvalidOpCode struct {
    68  	opcode OpCode
    69  }
    70  
    71  func (e *ErrInvalidOpCode) Error() string { return fmt.Sprintf("invalid opcode: %s", e.opcode) }