From f3d0fe1cff23f59a6fe819ce9be70e675c8fb9a0 Mon Sep 17 00:00:00 2001
From: yawhide <5014112+yawhide@users.noreply.github.com>
Date: Tue, 9 Jan 2024 20:38:50 -0500
Subject: [PATCH] Log simulation errors

---
 rocketarb.mjs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rocketarb.mjs b/rocketarb.mjs
index 0161935..1c7424c 100755
--- a/rocketarb.mjs
+++ b/rocketarb.mjs
@@ -639,7 +639,10 @@ if (options.dryRun) {
   console.log(`Target block number: ${targetBlockNumber}`)
   const signedBundle = await flashbotsProvider.signBundle(bundle)
   const simulation = await flashbotsProvider.simulate(signedBundle, targetBlockNumber)
-  console.log(JSON.stringify(simulation, null, 2))
+  console.log(`Simulation results: ${JSON.stringify(simulation, null, 2)}`)
+  if ('error' in simulation) {
+    console.error(`Simulation error: ${simulation.error.message}`)
+  }
 }
 else {
   if (!options.yes) {