From 800e551946017738cb6ce12a12ec8c890841295b Mon Sep 17 00:00:00 2001
From: Anish Naik <anish.naik@trailofbits.com>
Date: Tue, 14 Jan 2025 15:24:18 -0500
Subject: [PATCH] fix execution tracing during contract deployments

---
 fuzzing/fuzzer.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fuzzing/fuzzer.go b/fuzzing/fuzzer.go
index 9e95fca1..279a7db9 100644
--- a/fuzzing/fuzzer.go
+++ b/fuzzing/fuzzer.go
@@ -533,9 +533,9 @@ func chainSetupFromCompilations(fuzzer *Fuzzer, testChain *chain.TestChain) (*ex
 						Block:            block,
 						TransactionIndex: len(block.Messages) - 1,
 					}
-					// Revert to genesis and re-run the failed contract deployment tx.
+					// Revert to one block before and re-run the failed contract deployment tx.
 					// We should be able to attach an execution trace; however, if it fails, we provide the ExecutionResult at a minimum.
-					err = testChain.RevertToBlockNumber(0)
+					err = testChain.RevertToBlockNumber(block.Header.Number.Uint64() - 1)
 					if err != nil {
 						return nil, fmt.Errorf("failed to reset to genesis block: %v", err)
 					} else {