ethereum.london.vm.exceptions

Ethereum Virtual Machine (EVM) Exceptions ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

.. contents:: Table of Contents :backlinks: none :local:

Introduction

Exceptions which cause the EVM to halt exceptionally.

ExceptionalHalt

Indicates that the EVM has experienced an exceptional halt. This causes execution to immediately end with all gas being consumed.

class ExceptionalHalt:

Revert

Raised by the REVERT opcode.

Unlike other EVM exceptions this does not result in the consumption of all gas.

class Revert:

StackUnderflowError

Occurs when a pop is executed on an empty stack.

class StackUnderflowError:

StackOverflowError

Occurs when a push is executed on a stack at max capacity.

class StackOverflowError:

OutOfGasError

Occurs when an operation costs more than the amount of gas left in the frame.

class OutOfGasError:

InvalidOpcode

Raised when an invalid opcode is encountered.

class InvalidOpcode:

code

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    code: int

__init__

def __init__(​self, ​​code: int​) -> None:
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        super().__init__(code)
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        self.code = code

InvalidJumpDestError

Occurs when the destination of a jump operation doesn't meet any of the following criteria:

  • The jump destination is less than the length of the code.

  • The jump destination should have the JUMPDEST opcode (0x5B).

  • The jump destination shouldn't be part of the data corresponding to PUSH-N opcodes.

class InvalidJumpDestError:

StackDepthLimitError

Raised when the message depth is greater than 1024

class StackDepthLimitError:

WriteInStaticContext

Raised when an attempt is made to modify the state while operating inside of a STATICCALL context.

class WriteInStaticContext:

OutOfBoundsRead

Raised when an attempt was made to read data beyond the boundaries of the buffer.

class OutOfBoundsRead:

InvalidParameter

Raised when invalid parameters are passed.

class InvalidParameter:

InvalidContractPrefix

Raised when the new contract code starts with 0xEF.

class InvalidContractPrefix:

AddressCollision

Raised when the new contract address has a collision.

class AddressCollision: