Add condition to disable gas refund for anchor transactions

johntaiko · johntaiko · commit 2e961443c60e · 2023-12-09T07:59:10.000Z
diff --git a/crates/revm/src/taiko/handler.rs b/crates/revm/src/taiko/handler.rs
@@ -117,7 +117,8 @@ pub fn reward_beneficiary<SPEC: Spec, DB: Database>(
 /// gas spend. (Before london it was 2th part of gas spend)
 #[inline]
 pub fn calculate_gas_refund<SPEC: Spec>(env: &Env, gas: &Gas) -> u64 {
-    if env.cfg.is_gas_refund_disabled() {
+    // no refund for anchor tx and gas refund disabled.
+    if env.tx.taiko.is_anchor || env.cfg.is_gas_refund_disabled() {
         0
     } else {
         // EIP-3529: Reduction in refunds

Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,8 @@ pub fn reward_beneficiary<SPEC: Spec, DB: Database>(`
`117`	`117`	`/// gas spend. (Before london it was 2th part of gas spend)`
`118`	`118`	`#[inline]`
`119`	`119`	`pub fn calculate_gas_refund<SPEC: Spec>(env: &Env, gas: &Gas) -> u64 {`
`120`		`- if env.cfg.is_gas_refund_disabled() {`
	`120`	`+ // no refund for anchor tx and gas refund disabled.`
	`121`	`+ if env.tx.taiko.is_anchor \|\| env.cfg.is_gas_refund_disabled() {`
`121`	`122`	`0`
`122`	`123`	`} else {`
`123`	`124`	`// EIP-3529: Reduction in refunds`