feat(l1): discv5

cmd/ethrex/Cargo.toml

@@ -102,6 +102,8 @@ jemalloc_profiling = [
   "ethrex-rpc/jemalloc_profiling",
 ]
 sync-test = ["ethrex-p2p/sync-test"]
+# discv5 is currently experimental and should only be enabled for development purposes
+experimental-discv5 = ["ethrex-p2p/experimental-discv5"]
 
 l2 = [
   "ethrex-l2",

cmd/ethrex/ethrex.rs

@@ -140,6 +140,9 @@ async fn main() -> eyre::Result<()> {
     info!("ethrex version: {}", get_client_version());
     tokio::spawn(periodically_check_version_update());
 
+    #[cfg(feature = "experimental-discv5")]
+    tracing::warn!("Experimental Discovery V5 protocol enabled");
+
     let (datadir, cancel_token, peer_table, local_node_record) =
         init_l1(opts, Some(log_filter_handler)).await?;
 

crates/common/types/transaction.rs

@@ -3,7 +3,6 @@ use std::{cmp::min, fmt::Display};
 use crate::{errors::EcdsaError, utils::keccak};
 use bytes::Bytes;
 use ethereum_types::{Address, H256, Signature, U256};
-use ethrex_crypto::keccak::keccak_hash;
 pub use mempool::MempoolTransaction;
 use rkyv::{Archive, Deserialize as RDeserialize, Serialize as RSerialize};
 use serde::{Serialize, ser::SerializeStruct};
@@ -1431,7 +1430,7 @@ pub fn recover_address(signature: Signature, payload: H256) -> Result<Address, s
         &signature,
     )?;
     // Hash public key to obtain address
-    let hash = keccak_hash(&public.serialize_uncompressed()[1..]);
+    let hash = ethrex_crypto::keccak::keccak_hash(&public.serialize_uncompressed()[1..]);
     Ok(Address::from_slice(&hash[12..]))
 }
 

crates/networking/p2p/Cargo.toml

@@ -49,6 +49,10 @@ aes = "0.8.4"
 ctr = "0.9.2"
 rand = "0.8.5"
 
+# discv5
+aes-gcm = { version = "0.10.3", optional = true }
+hkdf = { version = "0.12.4", optional = true }
+
 rayon = "1.10.0"
 crossbeam.workspace = true
 
@@ -65,6 +69,8 @@ sync-test = []
 l2 = ["dep:ethrex-storage-rollup"]
 test-utils = []
 metrics = ["dep:ethrex-metrics"]
+# discv5 is currently experimental and should only be enabled for development purposes
+experimental-discv5 = ["dep:aes-gcm", "dep:hkdf"]
 
 [lints.clippy]
 unwrap_used = "deny"