From 4c189abdc452f08dfa758564b5381bc78c42d481 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Mon, 17 Aug 2020 18:41:37 +0900
Subject: test: add small signet fuzzer

---
 src/test/fuzz/signet.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/test/fuzz/signet.cpp

(limited to 'src/test/fuzz/signet.cpp')

diff --git a/src/test/fuzz/signet.cpp b/src/test/fuzz/signet.cpp
new file mode 100644
index 000000000..4736ae27f
--- /dev/null
+++ b/src/test/fuzz/signet.cpp
@@ -0,0 +1,34 @@
+// Copyright (c) 2020 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 <consensus/validation.h>
+#include <primitives/block.h>
+#include <signet.h>
+#include <streams.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/util.h>
+
+#include <cstdint>
+#include <optional>
+#include <vector>
+
+void initialize()
+{
+    InitializeFuzzingContext(CBaseChainParams::SIGNET);
+}
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
+    const std::optional<CBlock> block = ConsumeDeserializable<CBlock>(fuzzed_data_provider);
+    if (!block) {
+        return;
+    }
+    (void)CheckSignetBlockSolution(*block, Params().GetConsensus());
+    if (GetWitnessCommitmentIndex(*block) != NO_WITNESS_COMMITMENT) {
+        (void)SignetTxs(*block, ConsumeScript(fuzzed_data_provider));
+    }
+}
-- 
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