From fae3f178238df96554dc2495e040f5580b55408a Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Tue, 15 Feb 2022 12:22:23 +0100
Subject: [PATCH] fuzz: Split script formatting from script fuzz target

---
 src/Makefile.test.include       |  1 +
 src/test/fuzz/script.cpp        |  8 --------
 src/test/fuzz/script_format.cpp | 30 ++++++++++++++++++++++++++++++
 3 files changed, 31 insertions(+), 8 deletions(-)
 create mode 100644 src/test/fuzz/script_format.cpp

diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 1763dcb5620..e2e08468a76 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -294,6 +294,7 @@ test_fuzz_fuzz_SOURCES = \
  test/fuzz/script_bitcoin_consensus.cpp \
  test/fuzz/script_descriptor_cache.cpp \
  test/fuzz/script_flags.cpp \
+ test/fuzz/script_format.cpp \
  test/fuzz/script_interpreter.cpp \
  test/fuzz/script_ops.cpp \
  test/fuzz/script_sigcache.cpp \
diff --git a/src/test/fuzz/script.cpp b/src/test/fuzz/script.cpp
index 14a59912dbb..fdcd0da37de 100644
--- a/src/test/fuzz/script.cpp
+++ b/src/test/fuzz/script.cpp
@@ -167,12 +167,4 @@ FUZZ_TARGET_INIT(script, initialize_script)
             Assert(dest == GetScriptForDestination(tx_destination_2));
         }
     }
-
-    (void)FormatScript(script);
-    (void)ScriptToAsmStr(script, /*fAttemptSighashDecode=*/fuzzed_data_provider.ConsumeBool());
-
-    UniValue o1(UniValue::VOBJ);
-    ScriptPubKeyToUniv(script, o1, /*include_hex=*/fuzzed_data_provider.ConsumeBool());
-    UniValue o3(UniValue::VOBJ);
-    ScriptToUniv(script, o3);
 }
diff --git a/src/test/fuzz/script_format.cpp b/src/test/fuzz/script_format.cpp
new file mode 100644
index 00000000000..2fa893f8121
--- /dev/null
+++ b/src/test/fuzz/script_format.cpp
@@ -0,0 +1,30 @@
+// Copyright (c) 2019-2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <chainparams.h>
+#include <core_io.h>
+#include <script/script.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+#include <univalue.h>
+
+void initialize_script_format()
+{
+    SelectParams(CBaseChainParams::REGTEST);
+}
+
+FUZZ_TARGET_INIT(script_format, initialize_script_format)
+{
+    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
+    const CScript script{ConsumeScript(fuzzed_data_provider)};
+
+    (void)FormatScript(script);
+    (void)ScriptToAsmStr(script, /*fAttemptSighashDecode=*/fuzzed_data_provider.ConsumeBool());
+
+    UniValue o1(UniValue::VOBJ);
+    ScriptPubKeyToUniv(script, o1, /*include_hex=*/fuzzed_data_provider.ConsumeBool());
+    UniValue o3(UniValue::VOBJ);
+    ScriptToUniv(script, o3);
+}