test, fuzz: fix constructing CNode with invalid inbound_onion

as CNode ctor should only be passed inbound_onion = true
when the connection is inbound

Author: jonatack

src/test/fuzz/util.h

@@ -298,7 +298,7 @@ CNode ConsumeNode(FuzzedDataProvider& fuzzed_data_provider) noexcept
     const CAddress addr_bind = ConsumeAddress(fuzzed_data_provider);
     const std::string addr_name = fuzzed_data_provider.ConsumeRandomLengthString(64);
     const ConnectionType conn_type = fuzzed_data_provider.PickValueInArray({ConnectionType::INBOUND, ConnectionType::OUTBOUND_FULL_RELAY, ConnectionType::MANUAL, ConnectionType::FEELER, ConnectionType::BLOCK_RELAY, ConnectionType::ADDR_FETCH});
-    const bool inbound_onion = fuzzed_data_provider.ConsumeBool();
+    const bool inbound_onion{conn_type == ConnectionType::INBOUND ? fuzzed_data_provider.ConsumeBool() : false};
     return {node_id, local_services, my_starting_height, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, conn_type, inbound_onion};
 }
 

src/test/net_tests.cpp

@@ -221,7 +221,7 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
         /* nKeyedNetGroupIn = */ 0,
         /* nLocalHostNonceIn = */ 0,
         CAddress(), pszDest, ConnectionType::OUTBOUND_FULL_RELAY,
-        /* inbound_onion = */ true);
+        /* inbound_onion = */ false);
     BOOST_CHECK(pnode3->IsFullOutboundConn() == true);
     BOOST_CHECK(pnode3->IsManualConn() == false);
     BOOST_CHECK(pnode3->IsBlockOnlyConn() == false);