build genesis header for the current sequencer version

types/src/v0/impls/header.rs

@@ -801,15 +801,8 @@ impl BlockHeader<SeqTypes> for Header {
         let block_merkle_tree_root = block_merkle_tree.commitment();
         let fee_merkle_tree_root = fee_merkle_tree.commitment();
 
-        // The Header is versioned, so we check if there are any upgrades.
-        // If no upgrades are specified, we use the default V1 Header (version 0.1).
-        // If an upgrade is specified, we use the version from the latest upgrade.
-        let upgrades = instance_state.upgrades.last_key_value();
-        let version = match upgrades {
-            None => Version { major: 0, minor: 1 },
-            Some((version, _)) => *version,
-        };
-
+        //  The Header is versioned,
+        //  so we create the genesis header for the current version of the sequencer.
         Self::create(
             instance_state.chain_config.into(),
             0,
@@ -826,7 +819,7 @@ impl BlockHeader<SeqTypes> for Header {
             block_merkle_tree_root,
             FeeInfo::genesis(),
             None,
-            version,
+            instance_state.current_version,
         )
     }