first commit

src/chainspec/hl.rs

@@ -0,0 +1,57 @@
+use alloy_chains::{Chain, NamedChain};
+use alloy_primitives::{b256, Address, Bytes, B256, B64, U256};
+use std::sync::Arc;
+use once_cell::sync::Lazy;
+use reth_chainspec::{ChainSpec, DEV_HARDFORKS};
+use reth_primitives::{Header, SealedHeader};
+
+static GENESIS_HASH: B256 =
+    b256!("d8fcc13b6a195b88b7b2da3722ff6cad767b13a8c1e9ffb1c73aa9d216d895f0");
+
+/// The Hyperliqiud Mainnet spec
+pub static HL_MAINNET: Lazy<Arc<ChainSpec>> = Lazy::new(|| {
+    ChainSpec {
+        chain: Chain::from_named(NamedChain::Hyperliquid),
+        genesis: serde_json::from_str(include_str!("genesis.json"))
+            .expect("Can't deserialize Hyperliquid Mainnet genesis json"),
+        genesis_header: empty_genesis_header(),
+        paris_block_and_final_difficulty: Some((0, U256::from(0))),
+        hardforks: DEV_HARDFORKS.clone(),
+        prune_delete_limit: 10000,
+        ..Default::default()
+    }
+    .into()
+});
+
+/// Empty genesis header for Hyperliquid Mainnet.
+///
+/// The exact value is not known per se, but the parent hash of block 1 is known to be
+/// [GENESIS_HASH].
+fn empty_genesis_header() -> SealedHeader {
+    SealedHeader::new(
+        Header {
+            parent_hash: B256::ZERO,
+            number: 0,
+            timestamp: 0,
+            transactions_root: B256::ZERO,
+            receipts_root: B256::ZERO,
+            state_root: B256::ZERO,
+            gas_used: 0,
+            gas_limit: 0x1c9c380,
+            difficulty: U256::ZERO,
+            mix_hash: B256::ZERO,
+            extra_data: Bytes::new(),
+            nonce: B64::ZERO,
+            ommers_hash: B256::ZERO,
+            beneficiary: Address::ZERO,
+            logs_bloom: Default::default(),
+            base_fee_per_gas: Some(0),
+            withdrawals_root: Some(B256::ZERO),
+            blob_gas_used: Some(0),
+            excess_blob_gas: Some(0),
+            parent_beacon_block_root: Some(B256::ZERO),
+            requests_hash: Some(B256::ZERO),
+        },
+        GENESIS_HASH,
+    )
+}