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Development feature flag - Disable backfill (#4537)

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Often when testing I have to create a hack which is annoying to maintain. 

I think it might be handy to add a custom compile-time flag that developers can use if they want to test things locally without having to backfill a bunch of blocks.

There is probably an argument to have a feature called "backfill" which is enabled by default and can be disabled. I didn't go this route because I think it's counter-intuitive to have a feature that enables a core and necessary behaviour.
This commit is contained in:
Age Manning 2023-07-31 01:53:08 +00:00
parent 117802cef1
commit 8654f20028
3 changed files with 14 additions and 1 deletions
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6
beacon_node/network/Cargo.toml
View File

@ -48,4 +48,8 @@ operation_pool = { path = "../operation_pool" }
execution_layer = { path = "../execution_layer" }
beacon_processor = { path = "../beacon_processor" }
parking_lot = "0.12.0"
environment = { path = "../../lighthouse/environment" }
environment = { path = "../../lighthouse/environment" }
[features]
# NOTE: This can be run via cargo build --bin lighthouse --features network/disable-backfill
disable-backfill = []

6
beacon_node/network/src/service.rs
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@ -232,6 +232,12 @@ impl<T: BeaconChainTypes> NetworkService<T> {
// build the channels for external comms
let (network_senders, network_recievers) = NetworkSenders::new();
#[cfg(feature = "disable-backfill")]
warn!(
network_log,
"Backfill is disabled. DO NOT RUN IN PRODUCTION"
);
// try and construct UPnP port mappings if required.
if let Some(upnp_config) = crate::nat::UPnPConfig::from_config(config) {
let upnp_log = network_log.new(o!("service" => "UPnP"));

3
beacon_node/network/src/sync/manager.rs
View File

@ -395,6 +395,7 @@ impl<T: BeaconChainTypes> SyncManager<T> {
// If we would otherwise be synced, first check if we need to perform or
// complete a backfill sync.
#[cfg(not(feature = "disable_backfill"))]
if matches!(sync_state, SyncState::Synced) {
// Determine if we need to start/resume/restart a backfill sync.
match self.backfill_sync.start(&mut self.network) {
@ -419,6 +420,7 @@ impl<T: BeaconChainTypes> SyncManager<T> {
}
Some((RangeSyncType::Finalized, start_slot, target_slot)) => {
// If there is a backfill sync in progress pause it.
#[cfg(not(feature = "disable_backfill"))]
self.backfill_sync.pause();
SyncState::SyncingFinalized {
@ -428,6 +430,7 @@ impl<T: BeaconChainTypes> SyncManager<T> {
}
Some((RangeSyncType::Head, start_slot, target_slot)) => {
// If there is a backfill sync in progress pause it.
#[cfg(not(feature = "disable_backfill"))]
self.backfill_sync.pause();
SyncState::SyncingHead {