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Restrict network limits based on merge fork epoch (#2839)

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This commit is contained in:
Pawan Dhananjay
2021-12-01 20:00:39 -06:00
committed by Paul Hauner
parent 144978f8f8
commit f3c237cfa0
12 changed files with 57 additions and 66 deletions
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18
beacon_node/lighthouse_network/src/config.rs
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@@ -16,8 +16,10 @@ use std::sync::Arc;
use std::time::Duration;
use types::{ForkContext, ForkName};
/// The maximum transmit size of gossip messages in bytes.
pub const GOSSIP_MAX_SIZE: usize = 10 * 1_048_576; // 10M
/// The maximum transmit size of gossip messages in bytes pre-merge.
const GOSSIP_MAX_SIZE: usize = 1_048_576; // 1M
/// The maximum transmit size of gossip messages in bytes post-merge.
const GOSSIP_MAX_SIZE_POST_MERGE: usize = 10 * 1_048_576; // 10M
/// This is a constant to be used in discovery. The lower bound of the gossipsub mesh.
pub const MESH_N_LOW: usize = 6;
@@ -40,6 +42,15 @@ pub const DUPLICATE_CACHE_TIME: Duration = Duration::from_secs(33 * 12 + 1);
// const MESSAGE_DOMAIN_INVALID_SNAPPY: [u8; 4] = [0, 0, 0, 0];
const MESSAGE_DOMAIN_VALID_SNAPPY: [u8; 4] = [1, 0, 0, 0];
/// The maximum size of gossip messages.
pub fn gossip_max_size(is_merge_enabled: bool) -> usize {
if is_merge_enabled {
GOSSIP_MAX_SIZE_POST_MERGE
} else {
GOSSIP_MAX_SIZE
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(default)]
/// Network configuration for lighthouse.
@@ -231,6 +242,7 @@ pub fn gossipsub_config(fork_context: Arc<ForkContext>) -> GossipsubConfig {
}
}
let is_merge_enabled = fork_context.fork_exists(ForkName::Merge);
let gossip_message_id = move |message: &GossipsubMessage| {
MessageId::from(
&Sha256::digest(
@@ -239,7 +251,7 @@ pub fn gossipsub_config(fork_context: Arc<ForkContext>) -> GossipsubConfig {
)
};
GossipsubConfigBuilder::default()
.max_transmit_size(GOSSIP_MAX_SIZE)
.max_transmit_size(gossip_max_size(is_merge_enabled))
.heartbeat_interval(Duration::from_millis(700))
.mesh_n(8)
.mesh_n_low(MESH_N_LOW)