chore: use new constants

Author: Evalir

src/tasks/block/cfg.rs

@@ -3,7 +3,7 @@
 use alloy_chains::NamedChain;
 use reth_chainspec::ChainSpec;
 use signet_block_processor::revm_spec;
-use signet_constants::pecorino;
+use signet_constants::{mainnet, pecorino};
 use signet_genesis::PECORINO_GENESIS;
 use std::sync::LazyLock;
 use trevm::revm::{context::CfgEnv, primitives::hardfork::SpecId};
@@ -12,6 +12,10 @@ use trevm::revm::{context::CfgEnv, primitives::hardfork::SpecId};
 static PECORINO_SPEC: LazyLock<ChainSpec> =
     LazyLock::new(|| ChainSpec::from_genesis(PECORINO_GENESIS.to_owned()));
 
+/// The RU Mainnet [`ChainSpec`].
+static MAINNET_RU_SPEC: LazyLock<ChainSpec> =
+    LazyLock::new(|| ChainSpec::from_genesis(signet_genesis::MAINNET_GENESIS.to_owned()));
+
 /// [`SignetCfgEnv`] holds network-level configuration values.
 #[derive(Debug, Clone, Copy)]
 pub struct SignetCfgEnv {
@@ -33,7 +37,9 @@ impl SignetCfgEnv {
             pecorino::HOST_CHAIN_ID | pecorino::RU_CHAIN_ID => {
                 revm_spec(&PECORINO_SPEC, self.timestamp)
             }
-            // Host Mainnet
+            // Mainnet RU
+            mainnet::RU_CHAIN_ID => revm_spec(&MAINNET_RU_SPEC, self.timestamp),
+            // Mainnet Host
             id if id == NamedChain::Mainnet as u64 => {
                 revm_spec(&reth_chainspec::MAINNET, self.timestamp)
             }