Merge pull request #4617

3ffbec15 rpc: init m_rpc_version in Message ctor (moneromooo-monero)
bfa2dce1 rpc: remove unused ctors (moneromooo-monero)
7cc39845 account: init creation timestamp to 0 (moneromooo-monero)
32123789 wallet2: initialize some scalar fields in ctor where appropriate (moneromooo-monero)
4eca42b2 blockchain_db: initialize m_hardfork in ctor just in case (moneromooo-monero)

src/rpc/core_rpc_server_commands_defs.h

@@ -782,9 +782,6 @@ namespace cryptonote
       std::string tx_as_hex;
       bool do_not_relay;
 
-      request() {}
-      explicit request(const transaction &);
-
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(tx_as_hex)
         KV_SERIALIZE_OPT(do_not_relay, false)

src/rpc/message.h

@@ -65,7 +65,7 @@ namespace rpc
       static const char* STATUS_BAD_REQUEST;
       static const char* STATUS_BAD_JSON;
 
-      Message() : status(STATUS_OK) { }
+      Message() : status(STATUS_OK), rpc_version(0) { }
 
       virtual ~Message() { }