From 485d986fcff3ca98720f829cb47f5fc22a0a2455 Mon Sep 17 00:00:00 2001
From: Weixie Cui <cuiweixie@gmail.com>
Date: Wed, 15 Jul 2026 22:32:01 +0800
Subject: [PATCH 1/2] feat(cli): honor --gas-limit for path/custom bytecode
 fixtures

Wire the existing CLI flag into fixture_from_bytecode so ad-hoc runs
no longer hardcode i64::MAX for block and tx gas limits.
---
 crates/revmc-cli/src/benches.rs | 12 +++++++++---
 crates/revmc-cli/src/cmd/run.rs |  9 +++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/crates/revmc-cli/src/benches.rs b/crates/revmc-cli/src/benches.rs
index 002a756a3..7973b8d24 100644
--- a/crates/revmc-cli/src/benches.rs
+++ b/crates/revmc-cli/src/benches.rs
@@ -20,8 +20,14 @@ impl Bench {
     }
 }
 
-pub fn fixture_from_bytecode(name: &'static str, bytecode: Vec<u8>, spec_id: SpecId) -> Bench {
+pub fn fixture_from_bytecode(
+    name: &'static str,
+    bytecode: Vec<u8>,
+    spec_id: SpecId,
+    gas_limit: u64,
+) -> Bench {
     let bytecode = revmc::primitives::hex::encode(bytecode);
+    let gas_limit = format!("0x{gas_limit:x}");
     Bench {
         name,
         fixture_json: Some(Cow::Owned(format!(
@@ -30,7 +36,7 @@ pub fn fixture_from_bytecode(name: &'static str, bytecode: Vec<u8>, spec_id: Spe
     "env": {{
       "currentBaseFee": "0x0",
       "currentCoinbase": "0x0000000000000000000000000000000000000000",
-      "currentGasLimit": "0x7fffffffffffffff",
+      "currentGasLimit": "0x{gas_limit:x}",
       "currentNumber": "0x1",
       "currentTimestamp": "0x1"
     }},
@@ -51,7 +57,7 @@ pub fn fixture_from_bytecode(name: &'static str, bytecode: Vec<u8>, spec_id: Spe
     "transaction": [
       {{
         "data": "0x",
-        "gasLimit": "0x7fffffffffffffff",
+        "gasLimit": "{gas_limit}",
         "gasPrice": "0x0",
         "nonce": "0x0",
         "sender": "0x1111111111111111111111111111111111111111",
diff --git a/crates/revmc-cli/src/cmd/run.rs b/crates/revmc-cli/src/cmd/run.rs
index 6f4e9d2e0..a3be03980 100644
--- a/crates/revmc-cli/src/cmd/run.rs
+++ b/crates/revmc-cli/src/cmd/run.rs
@@ -136,7 +136,12 @@ impl RunArgs {
                     .to_string();
                 (stem, path.to_path_buf())
             };
-            fixture_from_bytecode(name.leak(), read_code_path(&bytecode_path)?, spec_id)
+            fixture_from_bytecode(
+                name.leak(),
+                read_code_path(&bytecode_path)?,
+                spec_id,
+                self.gas_limit,
+            )
         } else {
             let bytecode = read_code_string(bench_name.trim().as_bytes(), None).map_err(|e| {
                 eyre!(
@@ -144,7 +149,7 @@ impl RunArgs {
                      or valid EVM hex/asm: {e}"
                 )
             })?;
-            fixture_from_bytecode("custom", bytecode, spec_id)
+            fixture_from_bytecode("custom", bytecode, spec_id, self.gas_limit)
         };
 
         let name = bench_entry.name;

From 6c05ff2c3c0af6e79a1de6dcc19e432c6477024f Mon Sep 17 00:00:00 2001
From: Weixie Cui <cuiweixie@gmail.com>
Date: Wed, 15 Jul 2026 22:32:14 +0800
Subject: [PATCH 2/2] fix(cli): format currentGasLimit from prebuilt gas_limit
 string

gas_limit is already hex-prefixed; using :x on the String would not compile.
---
 crates/revmc-cli/src/benches.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/revmc-cli/src/benches.rs b/crates/revmc-cli/src/benches.rs
index 7973b8d24..d94f1cd07 100644
--- a/crates/revmc-cli/src/benches.rs
+++ b/crates/revmc-cli/src/benches.rs
@@ -36,7 +36,7 @@ pub fn fixture_from_bytecode(
     "env": {{
       "currentBaseFee": "0x0",
       "currentCoinbase": "0x0000000000000000000000000000000000000000",
-      "currentGasLimit": "0x{gas_limit:x}",
+      "currentGasLimit": "{gas_limit}",
       "currentNumber": "0x1",
       "currentTimestamp": "0x1"
     }},