Don't cache nettype in core_rpc_server use m_core

This can go out of sync with m_core's nettype if you run in fakechain
mode since entering fakechain mode is done through code not the command
line and core_rpc_server only looks at the command line to figure out
the nettype.

src/daemon/daemon.cpp

@@ -75,18 +75,15 @@ public:
     protocol.set_p2p_endpoint(p2p.get());
     core.set_protocol(protocol.get());
 
-    const auto testnet = command_line::get_arg(vm, cryptonote::arg_testnet_on);
-    const auto stagenet = command_line::get_arg(vm, cryptonote::arg_stagenet_on);
-    const auto regtest = command_line::get_arg(vm, cryptonote::arg_regtest_on);
     const auto restricted = command_line::get_arg(vm, cryptonote::core_rpc_server::arg_restricted_rpc);
     const auto main_rpc_port = command_line::get_arg(vm, cryptonote::core_rpc_server::arg_rpc_bind_port);
-    rpcs.emplace_back(new t_rpc{vm, core, p2p, restricted, testnet ? cryptonote::TESTNET : stagenet ? cryptonote::STAGENET : regtest ? cryptonote::FAKECHAIN : cryptonote::MAINNET, main_rpc_port, "core"});
+    rpcs.emplace_back(new t_rpc{vm, core, p2p, restricted, main_rpc_port, "core"});
 
     auto restricted_rpc_port_arg = cryptonote::core_rpc_server::arg_rpc_restricted_bind_port;
     if(!command_line::is_arg_defaulted(vm, restricted_rpc_port_arg))
     {
       auto restricted_rpc_port = command_line::get_arg(vm, restricted_rpc_port_arg);
-      rpcs.emplace_back(new t_rpc{vm, core, p2p, true, testnet ? cryptonote::TESTNET : stagenet ? cryptonote::STAGENET : cryptonote::MAINNET, restricted_rpc_port, "restricted"});
+      rpcs.emplace_back(new t_rpc{vm, core, p2p, true, restricted_rpc_port, "restricted"});
     }
   }
 };

src/daemon/rpc.h

@@ -54,7 +54,6 @@ public:
     , t_core & core
     , t_p2p & p2p
     , const bool restricted
-    , const cryptonote::network_type nettype
     , const std::string & port
     , const std::string & description
     )
@@ -62,7 +61,7 @@ public:
   {
     MGINFO("Initializing " << m_description << " RPC server...");
 
-    if (!m_server.init(vm, restricted, nettype, port))
+    if (!m_server.init(vm, restricted, port))
     {
       throw std::runtime_error("Failed to initialize " + m_description + " RPC server.");
     }

src/rpc/core_rpc_server.cpp

@@ -91,12 +91,10 @@ namespace cryptonote
   bool core_rpc_server::init(
       const boost::program_options::variables_map& vm
       , const bool restricted
-      , const network_type nettype
       , const std::string& port
     )
   {
     m_restricted = restricted;
-    m_nettype = nettype;
     m_net_server.set_threads_prefix("RPC");
 
     auto rpc_config = cryptonote::rpc_args::process(vm);
@@ -191,10 +189,13 @@ namespace cryptonote
     res.rpc_connections_count = get_connections_count();
     res.white_peerlist_size = m_p2p.get_peerlist_manager().get_white_peers_count();
     res.grey_peerlist_size = m_p2p.get_peerlist_manager().get_gray_peers_count();
-    res.mainnet = m_nettype == MAINNET;
-    res.testnet = m_nettype == TESTNET;
-    res.stagenet = m_nettype == STAGENET;
-    res.nettype = m_nettype == MAINNET ? "mainnet" : m_nettype == TESTNET ? "testnet" : m_nettype == STAGENET ? "stagenet" : "fakechain";
+
+    cryptonote::network_type net_type = nettype();
+    res.mainnet = net_type == MAINNET;
+    res.testnet = net_type == TESTNET;
+    res.stagenet = net_type == STAGENET;
+    res.nettype = net_type == MAINNET ? "mainnet" : net_type == TESTNET ? "testnet" : net_type == STAGENET ? "stagenet" : "fakechain";
+
     res.cumulative_difficulty = m_core.get_blockchain_storage().get_db().get_block_cumulative_difficulty(res.height - 1);
     res.block_size_limit = res.block_weight_limit = m_core.get_blockchain_storage().get_current_cumulative_block_weight_limit();
     res.block_size_median = res.block_weight_median = m_core.get_blockchain_storage().get_current_cumulative_block_weight_median();
@@ -750,7 +751,7 @@ namespace cryptonote
     PERF_TIMER(on_start_mining);
     CHECK_CORE_READY();
     cryptonote::address_parse_info info;
-    if(!get_account_address_from_str(info, m_nettype, req.miner_address))
+    if(!get_account_address_from_str(info, nettype(), req.miner_address))
     {
       res.status = "Failed, wrong address";
       LOG_PRINT_L0(res.status);
@@ -831,7 +832,7 @@ namespace cryptonote
       res.speed = lMiner.get_speed();
       res.threads_count = lMiner.get_threads_count();
       const account_public_address& lMiningAdr = lMiner.get_mining_address();
-      res.address = get_account_address_as_str(m_nettype, false, lMiningAdr);
+      res.address = get_account_address_as_str(nettype(), false, lMiningAdr);
     }
 
     res.status = CORE_RPC_STATUS_OK;
@@ -1064,7 +1065,7 @@ namespace cryptonote
 
     cryptonote::address_parse_info info;
 
-    if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(info, m_nettype, req.wallet_address))
+    if(!req.wallet_address.size() || !cryptonote::get_account_address_from_str(info, nettype(), req.wallet_address))
     {
       error_resp.code = CORE_RPC_ERROR_CODE_WRONG_WALLET_ADDRESS;
       error_resp.message = "Failed to parse wallet address";
@@ -1590,10 +1591,13 @@ namespace cryptonote
     res.rpc_connections_count = get_connections_count();
     res.white_peerlist_size = m_p2p.get_peerlist_manager().get_white_peers_count();
     res.grey_peerlist_size = m_p2p.get_peerlist_manager().get_gray_peers_count();
-    res.mainnet = m_nettype == MAINNET;
-    res.testnet = m_nettype == TESTNET;
-    res.stagenet = m_nettype == STAGENET;
-    res.nettype = m_nettype == MAINNET ? "mainnet" : m_nettype == TESTNET ? "testnet" : m_nettype == STAGENET ? "stagenet" : "fakechain";
+
+    cryptonote::network_type net_type = nettype();
+    res.mainnet = net_type == MAINNET;
+    res.testnet = net_type == TESTNET;
+    res.stagenet = net_type == STAGENET;
+    res.nettype = net_type == MAINNET ? "mainnet" : net_type == TESTNET ? "testnet" : net_type == STAGENET ? "stagenet" : "fakechain";
+
     res.cumulative_difficulty = m_core.get_blockchain_storage().get_db().get_block_cumulative_difficulty(res.height - 1);
     res.block_size_limit = res.block_weight_limit = m_core.get_blockchain_storage().get_current_cumulative_block_weight_limit();
     res.block_size_median = res.block_weight_median = m_core.get_blockchain_storage().get_current_cumulative_block_weight_median();

src/rpc/core_rpc_server.h

@@ -70,10 +70,9 @@ namespace cryptonote
     bool init(
         const boost::program_options::variables_map& vm,
         const bool restricted,
-        const network_type nettype,
         const std::string& port
       );
-    network_type nettype() const { return m_nettype; }
+    network_type nettype() const { return m_core.get_nettype(); }
 
     CHAIN_HTTP_TO_MAP2(connection_context); //forward http requests to uri map