nit: type alias at top

Author: prestwich

src/config.rs

@@ -20,6 +20,19 @@ use signet_types::config::{HostConfig, PredeployTokens, RollupConfig, SignetSyst
 use signet_zenith::Zenith;
 use std::borrow::Cow;
 
+/// Type alias for the provider used to build and submit blocks to the host.
+pub type HostProvider = FillProvider<
+    JoinFill<
+        JoinFill<
+            Identity,
+            JoinFill<GasFiller, JoinFill<BlobGasFiller, JoinFill<NonceFiller, ChainIdFiller>>>,
+        >,
+        WalletFiller<EthereumWallet>,
+    >,
+    RootProvider,
+    Ethereum,
+>;
+
 /// Configuration for a builder running a specific rollup on a specific host
 /// chain.
 #[derive(serde::Deserialize, Debug, Clone, FromEnv)]
@@ -142,19 +155,6 @@ pub struct BuilderConfig {
     pub slot_calculator: SlotCalculator,
 }
 
-/// Type alias for the provider used to build and submit blocks to the host.
-pub type HostProvider = FillProvider<
-    JoinFill<
-        JoinFill<
-            Identity,
-            JoinFill<GasFiller, JoinFill<BlobGasFiller, JoinFill<NonceFiller, ChainIdFiller>>>,
-        >,
-        WalletFiller<EthereumWallet>,
-    >,
-    RootProvider,
-    Ethereum,
->;
-
 /// Type alias for the provider used to simulate against rollup state.
 pub type RuProvider = RootProvider<Ethereum>;