From 6a82fce7c285b3d9d306be9708a29570f8b2f75f Mon Sep 17 00:00:00 2001
From: David Nevado <david@davidnevado.xyz>
Date: Wed, 21 Jun 2023 00:20:14 +0200
Subject: [PATCH] Fix max_exp_steps param

---
 bus-mapping/src/circuit_input_builder.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bus-mapping/src/circuit_input_builder.rs b/bus-mapping/src/circuit_input_builder.rs
index b2b5c20560..5d3c1b582f 100644
--- a/bus-mapping/src/circuit_input_builder.rs
+++ b/bus-mapping/src/circuit_input_builder.rs
@@ -346,7 +346,11 @@ impl CircuitInputBuilder<DynamicCParams> {
                 .transactions
                 .iter()
                 .fold(0, |acc, tx| acc + tx.input.len());
-            let max_exp_steps = self.block.exp_events.len();
+            let max_exp_steps = self
+                .block
+                .exp_events
+                .iter()
+                .fold(0usize, |acc, e| acc + e.steps.len());
             // The `+ 2` is used to take into account the two extra empty copy rows needed
             // to satisfy the query at `Rotation(2)` performed inside of the
             // `rows[2].value == rows[0].value * r + rows[1].value` requirement in the RLC