EIP-8205 -- Networking¶

def compute_fork_version(epoch: Epoch) -> Version:
    """
    Return the fork version at the given ``epoch``.
    """
    if epoch >= EIP8205_FORK_EPOCH:
        return EIP8205_FORK_VERSION
    if epoch >= HEZE_FORK_EPOCH:
        return HEZE_FORK_VERSION
    if epoch >= GLOAS_FORK_EPOCH:
        return GLOAS_FORK_VERSION
    if epoch >= FULU_FORK_EPOCH:
        return FULU_FORK_VERSION
    if epoch >= ELECTRA_FORK_EPOCH:
        return ELECTRA_FORK_VERSION
    if epoch >= DENEB_FORK_EPOCH:
        return DENEB_FORK_VERSION
    if epoch >= CAPELLA_FORK_EPOCH:
        return CAPELLA_FORK_VERSION
    if epoch >= BELLATRIX_FORK_EPOCH:
        return BELLATRIX_FORK_VERSION
    if epoch >= ALTAIR_FORK_EPOCH:
        return ALTAIR_FORK_VERSION
    return GENESIS_FORK_VERSION

def verify_execution_requests_limits(execution_requests: ExecutionRequests) -> None:
    """
    Verify that each execution request count is within its limit.
    Raises GossipReject on validation failure.
    """
    # [REJECT] The withdrawal request count is within the limit
    if len(execution_requests.withdrawals) > MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD:
        raise GossipReject("too many withdrawal requests")

    # [REJECT] The consolidation request count is within the limit
    if len(execution_requests.consolidations) > MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD:
        raise GossipReject("too many consolidation requests")

    # [REJECT] The builder deposit request count is within the limit
    if len(execution_requests.builder_deposits) > MAX_BUILDER_DEPOSIT_REQUESTS_PER_PAYLOAD:
        raise GossipReject("too many builder deposit requests")

    # [REJECT] The builder exit request count is within the limit
    if len(execution_requests.builder_exits) > MAX_BUILDER_EXIT_REQUESTS_PER_PAYLOAD:
        raise GossipReject("too many builder exit requests")

    # [New in EIP8205]
    # [REJECT] The validator preregistration request count is within the limit
    if len(execution_requests.preregistrations) > MAX_PREREGISTRATION_REQUESTS_PER_PAYLOAD:
        raise GossipReject("too many validator preregistration requests")