From 8deac3a71e10ab978748702086fce86ac3ab7d70 Mon Sep 17 00:00:00 2001
From: Roshan <48975233+pythonberg1997@users.noreply.github.com>
Date: Fri, 16 Aug 2024 19:36:34 +0800
Subject: [PATCH] fix: add system transaction check in `collect_system_reward`
 (#63)

---
 crates/revm/src/bsc/handler_register.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/crates/revm/src/bsc/handler_register.rs b/crates/revm/src/bsc/handler_register.rs
index 6975a970..4fdbdcc7 100644
--- a/crates/revm/src/bsc/handler_register.rs
+++ b/crates/revm/src/bsc/handler_register.rs
@@ -64,6 +64,17 @@ pub fn collect_system_reward<SPEC: Spec, EXT, DB: Database>(
     context: &mut Context<EXT, DB>,
     gas: &Gas,
 ) -> Result<(), EVMError<DB::Error>> {
+    if context
+        .evm
+        .env
+        .tx
+        .bsc
+        .is_system_transaction
+        .unwrap_or(false)
+    {
+        return Ok(());
+    }
+
     let effective_gas_price = context.evm.env.effective_gas_price();
     let mut tx_fee = U256::from(gas.spent() - gas.refunded() as u64) * effective_gas_price;