fix: Support certain types of system tx

src/node/types/mod.rs

@@ -127,6 +127,19 @@ pub struct SystemTx {
     pub receipt: Option<LegacyReceipt>,
 }
 
+impl SystemTx {
+    pub fn gas_limit(&self) -> u64 {
+        use reth_compat::Transaction;
+        match &self.tx {
+            Transaction::Legacy(tx) => tx.gas_limit,
+            Transaction::Eip2930(tx) => tx.gas_limit,
+            Transaction::Eip1559(tx) => tx.gas_limit,
+            Transaction::Eip4844(tx) => tx.gas_limit,
+            Transaction::Eip7702(tx) => tx.gas_limit,
+        }
+    }
+}
+
 #[derive(
     Debug,
     Clone,

src/node/types/reth_compat.rs

@@ -117,6 +117,9 @@ impl SealedBlock {
         receipts: Vec<LegacyReceipt>,
         chain_id: u64,
     ) -> HlBlock {
+        // NOTE: Filter out system transactions that may be rejected by the EVM (tracked by #97, testnet only).
+        let system_txs: Vec<_> = system_txs.into_iter().filter(|tx| tx.gas_limit() != 0).collect();
+
         let mut merged_txs = vec![];
         merged_txs.extend(system_txs.iter().map(|tx| system_tx_to_reth_transaction(tx, chain_id)));
         merged_txs.extend(self.body.transactions.iter().map(|tx| tx.to_reth_transaction()));