Return the code hash for a given address.
    EIP: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1052.md

def extcodehash(computation: BaseComputation) -> None:
    """
    Return the code hash for a given address.
    EIP: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1052.md
    """
    account = force_bytes_to_address(computation.stack_pop(type_hint=constants.BYTES))
    state = computation.state

    if state.account_is_empty(account):
        computation.stack_push(constants.NULL_BYTE)
    else:
        computation.stack_push(state.get_code_hash(account))