Ethereum Virtual Machine (EVM) Stack
Table of Contents
Introduction
Implementation of the stack operators for the EVM.
Module Contents
Functions
Pops the top item off of stack. |
|
Pushes value onto stack. |
Module Details
pop
- pop(stack: List[ethereum.base_types.U256]) → ethereum.base_types.U256
Pops the top item off of stack.
- Parameters
stack – EVM stack.
- Returns
value – The top element on the stack.
- Return type
U256
def pop(stack: List[U256]) -> U256:
if len(stack) == 0:
raise StackUnderflowError
return stack.pop()
push
- push(stack: List[ethereum.base_types.U256], value: ethereum.base_types.U256) → None
Pushes value onto stack.
- Parameters
stack – EVM stack.
value – Item to be pushed onto stack.
def push(stack: List[U256], value: U256) -> None:
if len(stack) == 1024:
raise StackOverflowError
return stack.append(value)