Fix withdrawals root

Author: Solar Mithril

Cargo.lock

@@ -98,7 +98,7 @@ serde_yaml = { version = "0.9" }
 
 
 # `flashblocks` branch
-rollup-boost = { git = "https://github.com/flashbots/rollup-boost", rev = "60885346d4cf7f241de82790478195747433d472" }
+rollup-boost = { git = "https://github.com/flashbots/rollup-boost", rev = "a010527e47e2731dd9e961a14e67eb1f427b05df" }
 
 [target.'cfg(unix)'.dependencies]
 tikv-jemallocator = { version = "0.6", optional = true }

crates/op-rbuilder/Cargo.toml

@@ -817,6 +817,7 @@ where
             block_hash,
             transactions: new_transactions_encoded,
             withdrawals: ctx.withdrawals().cloned().unwrap_or_default().to_vec(),
+            withdrawals_root: withdrawals_root.unwrap(),
         },
         metadata: serde_json::to_value(&metadata).unwrap_or_default(),
     };