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Run altair specific checks with the simulator (#2556)

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## Issue Addressed

N/A

## Proposed Changes

Set a valid fork epoch in the simulator and run checks on 
1. If all nodes transitioned at the fork
2. If all altair block sync aggregates are full
This commit is contained in:
Pawan Dhananjay
2021-09-03 02:41:11 +00:00
parent 6f18f95893
commit ac274221c5
2 changed files with 91 additions and 4 deletions
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29
testing/simulator/src/eth1_sim.rs
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@@ -15,7 +15,10 @@ use std::cmp::max;
use std::net::{IpAddr, Ipv4Addr};
use std::time::Duration;
use tokio::time::sleep;
use types::{Epoch, EthSpec, MainnetEthSpec};
use types::{Epoch, EthSpec, MinimalEthSpec};
const FORK_EPOCH: u64 = 2;
const END_EPOCH: u64 = 16;
pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
let node_count = value_t!(matches, "nodes", usize).expect("missing nodes default");
@@ -59,6 +62,7 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
let spec = &mut env.eth2_config.spec;
let total_validator_count = validators_per_node * node_count;
let altair_fork_version = spec.altair_fork_version;
spec.seconds_per_slot /= speed_up_factor;
spec.seconds_per_slot = max(1, spec.seconds_per_slot);
@@ -67,6 +71,7 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
spec.min_genesis_time = 0;
spec.min_genesis_active_validator_count = total_validator_count as u64;
spec.seconds_per_eth1_block = 1;
spec.altair_fork_epoch = Some(Epoch::new(FORK_EPOCH));
let slot_duration = Duration::from_secs(spec.seconds_per_slot);
let initial_validator_count = spec.min_genesis_active_validator_count as usize;
@@ -174,13 +179,13 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
* tests start at the right time. Whilst this is works well for now, it's subject to
* breakage by changes to the VC.
*/
let (finalization, block_prod, validator_count, onboarding) = futures::join!(
let (finalization, block_prod, validator_count, onboarding, fork, sync_aggregate) = futures::join!(
// Check that the chain finalizes at the first given opportunity.
checks::verify_first_finalization(network.clone(), slot_duration),
// Check that a block is produced at every slot.
checks::verify_full_block_production_up_to(
network.clone(),
Epoch::new(4).start_slot(MainnetEthSpec::slots_per_epoch()),
Epoch::new(END_EPOCH).start_slot(MinimalEthSpec::slots_per_epoch()),
slot_duration,
),
// Check that the chain starts with the expected validator count.
@@ -195,6 +200,22 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
network.clone(),
slot_duration,
total_validator_count,
),
// Check that all nodes have transitioned to the new fork.
checks::verify_fork_version(
network.clone(),
Epoch::new(FORK_EPOCH),
slot_duration,
altair_fork_version
),
// Check that all sync aggregates are full.
checks::verify_full_sync_aggregates_up_to(
network.clone(),
// Start checking for sync_aggregates at `FORK_EPOCH + 1` to account for
// inefficiencies in finding subnet peers at the `fork_slot`.
Epoch::new(FORK_EPOCH + 1).start_slot(MinimalEthSpec::slots_per_epoch()),
Epoch::new(END_EPOCH).start_slot(MinimalEthSpec::slots_per_epoch()),
slot_duration,
)
);
@@ -202,6 +223,8 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
finalization?;
validator_count?;
onboarding?;
fork?;
sync_aggregate?;
// The `final_future` either completes immediately or never completes, depending on the value
// of `continue_after_checks`.