fuzz: move-only FillNode implementation to cpp file

This allows to modify the implementation without having to recompile all
fuzz targets.

Can be reviewed with --color-moved=dimmed-zebra

1 files changed, 22 insertions, 0 deletions

diff --git a/src/test/fuzz/util.cpp b/src/test/fuzz/util.cpp
new file mode 100644
index 0000000000..dbd4f5798c
--- /dev/null
+++ b/src/test/fuzz/util.cpp
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 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 <test/fuzz/util.h>
+
+void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, const std::optional<int32_t>& version_in) noexcept
+{
+    const ServiceFlags remote_services = ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS);
+    const NetPermissionFlags permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
+    const int32_t version = version_in.value_or(fuzzed_data_provider.ConsumeIntegral<int32_t>());
+    const bool filter_txs = fuzzed_data_provider.ConsumeBool();
+
+    node.nServices = remote_services;
+    node.m_permissionFlags = permission_flags;
+    node.nVersion = version;
+    node.SetCommonVersion(version);
+    if (node.m_tx_relay != nullptr) {
+        LOCK(node.m_tx_relay->cs_filter);
+        node.m_tx_relay->fRelayTxes = filter_txs;
+    }
+}