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Light client updates by range RPC (#6383)

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* enable lc update over rpc

* resolve TODOs

* resolve merge conflicts

* move max light client updates to eth spec

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into light-client-updates-by-range-rpc

* remove ethspec dependency

* Update beacon_node/network/src/network_beacon_processor/rpc_methods.rs

Co-authored-by: Michael Sproul <micsproul@gmail.com>

* Update beacon_node/lighthouse_network/src/rpc/methods.rs

Co-authored-by: Michael Sproul <micsproul@gmail.com>
This commit is contained in:
Eitan Seri-Levi
2024-10-17 19:50:51 -07:00
committed by GitHub
parent 9f1bec6372
commit d1fda938a3
15 changed files with 383 additions and 11 deletions
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33
consensus/types/src/light_client_update.rs
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@@ -1,5 +1,6 @@
use super::{EthSpec, FixedVector, Hash256, Slot, SyncAggregate, SyncCommittee};
use crate::light_client_header::LightClientHeaderElectra;
use crate::LightClientHeader;
use crate::{
beacon_state, test_utils::TestRandom, ChainSpec, Epoch, ForkName, ForkVersionDeserialize,
LightClientHeaderAltair, LightClientHeaderCapella, LightClientHeaderDeneb,
@@ -10,7 +11,7 @@ use safe_arith::ArithError;
use safe_arith::SafeArith;
use serde::{Deserialize, Deserializer, Serialize};
use serde_json::Value;
use ssz::Decode;
use ssz::{Decode, Encode};
use ssz_derive::Decode;
use ssz_derive::Encode;
use ssz_types::typenum::{U4, U5, U6};
@@ -35,6 +36,10 @@ pub const CURRENT_SYNC_COMMITTEE_PROOF_LEN: usize = 5;
pub const NEXT_SYNC_COMMITTEE_PROOF_LEN: usize = 5;
pub const EXECUTION_PAYLOAD_PROOF_LEN: usize = 4;
// Max light client updates by range request limits
// spec: https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/p2p-interface.md#configuration
pub const MAX_REQUEST_LIGHT_CLIENT_UPDATES: u64 = 128;
type FinalityBranch = FixedVector<Hash256, FinalizedRootProofLen>;
type NextSyncCommitteeBranch = FixedVector<Hash256, NextSyncCommitteeProofLen>;
@@ -403,6 +408,32 @@ impl<E: EthSpec> LightClientUpdate<E> {
}
true
}
// A `LightClientUpdate` has two `LightClientHeader`s
// Spec: https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/sync-protocol.md#lightclientupdate
#[allow(clippy::arithmetic_side_effects)]
pub fn ssz_max_len_for_fork(fork_name: ForkName) -> usize {
let fixed_len = match fork_name {
ForkName::Base | ForkName::Bellatrix => 0,
ForkName::Altair => <LightClientUpdateAltair<E> as Encode>::ssz_fixed_len(),
ForkName::Capella => <LightClientUpdateCapella<E> as Encode>::ssz_fixed_len(),
ForkName::Deneb => <LightClientUpdateDeneb<E> as Encode>::ssz_fixed_len(),
ForkName::Electra => <LightClientUpdateElectra<E> as Encode>::ssz_fixed_len(),
};
fixed_len + 2 * LightClientHeader::<E>::ssz_max_var_len_for_fork(fork_name)
}
pub fn map_with_fork_name<F, R>(&self, func: F) -> R
where
F: Fn(ForkName) -> R,
{
match self {
Self::Altair(_) => func(ForkName::Altair),
Self::Capella(_) => func(ForkName::Capella),
Self::Deneb(_) => func(ForkName::Deneb),
Self::Electra(_) => func(ForkName::Electra),
}
}
}
fn compute_sync_committee_period_at_slot<E: EthSpec>(