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chore(l1): load c-kzg trusted setup when initializing the node #4900

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Merged
ilitteri merged 1 commit into from
Oct 16, 2025
Merged

chore(l1): load c-kzg trusted setup when initializing the node #4900

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1 change: 1 addition & 0 deletions Cargo.lock
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2 changes: 2 additions & 0 deletions cmd/ethrex/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ ethrex-config.workspace = true
ethrex-blockchain.workspace = true
ethrex-rpc.workspace = true
ethrex-common.workspace = true
ethrex-crypto.workspace = true
ethrex-p2p.workspace = true
ethrex-storage.workspace = true
ethrex-vm.workspace = true
Expand Down Expand Up @@ -70,6 +71,7 @@ c-kzg = [
"ethrex-common/c-kzg",
"ethrex-blockchain/c-kzg",
"ethrex-p2p/c-kzg",
"ethrex-crypto/c-kzg",
]
metrics = ["ethrex-blockchain/metrics", "ethrex-l2/metrics"]
rocksdb = ["ethrex-storage/rocksdb", "ethrex-p2p/rocksdb"]
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2 changes: 2 additions & 0 deletions cmd/ethrex/initializers.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -403,6 +403,8 @@ pub async fn init_l1(
display_chain_initialization(&genesis);

raise_fd_limit()?;
debug!("Preloading KZG trusted setup");
ethrex_crypto::kzg::warm_up_trusted_setup();

let store = init_store(datadir, genesis).await;

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8 changes: 8 additions & 0 deletions crates/common/crypto/kzg.rs
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Expand Up @@ -15,6 +15,14 @@ type Blob = [u8; BYTES_PER_BLOB];
type Commitment = Bytes48;
type Proof = Bytes48;

/// Ensures the Ethereum trusted setup is loaded so later KZG operations avoid the first-call cost.
pub fn warm_up_trusted_setup() {
#[cfg(feature = "c-kzg")]
{
let _ = c_kzg::ethereum_kzg_settings(8);
}
}

#[derive(thiserror::Error, Debug)]
pub enum KzgError {
#[cfg(feature = "c-kzg")]
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