Move NodeImpl from interfaces/node.cpp to node/interfaces.cpp

1 files changed, 308 insertions, 0 deletions

diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
new file mode 100644
index 0000000000..74098eba96
--- /dev/null
+++ b/src/node/interfaces.cpp
@@ -0,0 +1,308 @@
+// Copyright (c) 2018-2020 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 <interfaces/node.h>
+
+#include <addrdb.h>
+#include <banman.h>
+#include <chain.h>
+#include <chainparams.h>
+#include <init.h>
+#include <interfaces/chain.h>
+#include <interfaces/handler.h>
+#include <interfaces/wallet.h>
+#include <net.h>
+#include <net_processing.h>
+#include <netaddress.h>
+#include <netbase.h>
+#include <node/context.h>
+#include <node/ui_interface.h>
+#include <policy/feerate.h>
+#include <policy/fees.h>
+#include <policy/settings.h>
+#include <primitives/block.h>
+#include <rpc/server.h>
+#include <shutdown.h>
+#include <support/allocators/secure.h>
+#include <sync.h>
+#include <txmempool.h>
+#include <util/check.h>
+#include <util/ref.h>
+#include <util/system.h>
+#include <util/translation.h>
+#include <validation.h>
+#include <warnings.h>
+
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#include <univalue.h>
+
+#include <boost/signals2/signal.hpp>
+
+using interfaces::BlockTip;
+using interfaces::Handler;
+using interfaces::MakeHandler;
+using interfaces::Node;
+using interfaces::WalletClient;
+
+namespace node {
+namespace {
+class NodeImpl : public Node
+{
+public:
+    NodeImpl(NodeContext* context) { setContext(context); }
+    void initLogging() override { InitLogging(*Assert(m_context->args)); }
+    void initParameterInteraction() override { InitParameterInteraction(*Assert(m_context->args)); }
+    bilingual_str getWarnings() override { return GetWarnings(true); }
+    uint32_t getLogCategories() override { return LogInstance().GetCategoryMask(); }
+    bool baseInitialize() override
+    {
+        return AppInitBasicSetup(gArgs) && AppInitParameterInteraction(gArgs) && AppInitSanityChecks() &&
+               AppInitLockDataDirectory() && AppInitInterfaces(*m_context);
+    }
+    bool appInitMain(interfaces::BlockAndHeaderTipInfo* tip_info) override
+    {
+        return AppInitMain(m_context_ref, *m_context, tip_info);
+    }
+    void appShutdown() override
+    {
+        Interrupt(*m_context);
+        Shutdown(*m_context);
+    }
+    void startShutdown() override
+    {
+        StartShutdown();
+        // Stop RPC for clean shutdown if any of waitfor* commands is executed.
+        if (gArgs.GetBoolArg("-server", false)) {
+            InterruptRPC();
+            StopRPC();
+        }
+    }
+    bool shutdownRequested() override { return ShutdownRequested(); }
+    void mapPort(bool use_upnp) override
+    {
+        if (use_upnp) {
+            StartMapPort();
+        } else {
+            InterruptMapPort();
+            StopMapPort();
+        }
+    }
+    bool getProxy(Network net, proxyType& proxy_info) override { return GetProxy(net, proxy_info); }
+    size_t getNodeCount(CConnman::NumConnections flags) override
+    {
+        return m_context->connman ? m_context->connman->GetNodeCount(flags) : 0;
+    }
+    bool getNodesStats(NodesStats& stats) override
+    {
+        stats.clear();
+
+        if (m_context->connman) {
+            std::vector<CNodeStats> stats_temp;
+            m_context->connman->GetNodeStats(stats_temp);
+
+            stats.reserve(stats_temp.size());
+            for (auto& node_stats_temp : stats_temp) {
+                stats.emplace_back(std::move(node_stats_temp), false, CNodeStateStats());
+            }
+
+            // Try to retrieve the CNodeStateStats for each node.
+            TRY_LOCK(::cs_main, lockMain);
+            if (lockMain) {
+                for (auto& node_stats : stats) {
+                    std::get<1>(node_stats) =
+                        GetNodeStateStats(std::get<0>(node_stats).nodeid, std::get<2>(node_stats));
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+    bool getBanned(banmap_t& banmap) override
+    {
+        if (m_context->banman) {
+            m_context->banman->GetBanned(banmap);
+            return true;
+        }
+        return false;
+    }
+    bool ban(const CNetAddr& net_addr, int64_t ban_time_offset) override
+    {
+        if (m_context->banman) {
+            m_context->banman->Ban(net_addr, ban_time_offset);
+            return true;
+        }
+        return false;
+    }
+    bool unban(const CSubNet& ip) override
+    {
+        if (m_context->banman) {
+            m_context->banman->Unban(ip);
+            return true;
+        }
+        return false;
+    }
+    bool disconnectByAddress(const CNetAddr& net_addr) override
+    {
+        if (m_context->connman) {
+            return m_context->connman->DisconnectNode(net_addr);
+        }
+        return false;
+    }
+    bool disconnectById(NodeId id) override
+    {
+        if (m_context->connman) {
+            return m_context->connman->DisconnectNode(id);
+        }
+        return false;
+    }
+    int64_t getTotalBytesRecv() override { return m_context->connman ? m_context->connman->GetTotalBytesRecv() : 0; }
+    int64_t getTotalBytesSent() override { return m_context->connman ? m_context->connman->GetTotalBytesSent() : 0; }
+    size_t getMempoolSize() override { return m_context->mempool ? m_context->mempool->size() : 0; }
+    size_t getMempoolDynamicUsage() override { return m_context->mempool ? m_context->mempool->DynamicMemoryUsage() : 0; }
+    bool getHeaderTip(int& height, int64_t& block_time) override
+    {
+        LOCK(::cs_main);
+        if (::pindexBestHeader) {
+            height = ::pindexBestHeader->nHeight;
+            block_time = ::pindexBestHeader->GetBlockTime();
+            return true;
+        }
+        return false;
+    }
+    int getNumBlocks() override
+    {
+        LOCK(::cs_main);
+        return ::ChainActive().Height();
+    }
+    uint256 getBestBlockHash() override
+    {
+        const CBlockIndex* tip = WITH_LOCK(::cs_main, return ::ChainActive().Tip());
+        return tip ? tip->GetBlockHash() : Params().GenesisBlock().GetHash();
+    }
+    int64_t getLastBlockTime() override
+    {
+        LOCK(::cs_main);
+        if (::ChainActive().Tip()) {
+            return ::ChainActive().Tip()->GetBlockTime();
+        }
+        return Params().GenesisBlock().GetBlockTime(); // Genesis block's time of current network
+    }
+    double getVerificationProgress() override
+    {
+        const CBlockIndex* tip;
+        {
+            LOCK(::cs_main);
+            tip = ::ChainActive().Tip();
+        }
+        return GuessVerificationProgress(Params().TxData(), tip);
+    }
+    bool isInitialBlockDownload() override { return ::ChainstateActive().IsInitialBlockDownload(); }
+    bool getReindex() override { return ::fReindex; }
+    bool getImporting() override { return ::fImporting; }
+    void setNetworkActive(bool active) override
+    {
+        if (m_context->connman) {
+            m_context->connman->SetNetworkActive(active);
+        }
+    }
+    bool getNetworkActive() override { return m_context->connman && m_context->connman->GetNetworkActive(); }
+    CFeeRate estimateSmartFee(int num_blocks, bool conservative, int* returned_target = nullptr) override
+    {
+        FeeCalculation fee_calc;
+        CFeeRate result = ::feeEstimator.estimateSmartFee(num_blocks, &fee_calc, conservative);
+        if (returned_target) {
+            *returned_target = fee_calc.returnedTarget;
+        }
+        return result;
+    }
+    CFeeRate getDustRelayFee() override { return ::dustRelayFee; }
+    UniValue executeRpc(const std::string& command, const UniValue& params, const std::string& uri) override
+    {
+        JSONRPCRequest req(m_context_ref);
+        req.params = params;
+        req.strMethod = command;
+        req.URI = uri;
+        return ::tableRPC.execute(req);
+    }
+    std::vector<std::string> listRpcCommands() override { return ::tableRPC.listCommands(); }
+    void rpcSetTimerInterfaceIfUnset(RPCTimerInterface* iface) override { RPCSetTimerInterfaceIfUnset(iface); }
+    void rpcUnsetTimerInterface(RPCTimerInterface* iface) override { RPCUnsetTimerInterface(iface); }
+    bool getUnspentOutput(const COutPoint& output, Coin& coin) override
+    {
+        LOCK(::cs_main);
+        return ::ChainstateActive().CoinsTip().GetCoin(output, coin);
+    }
+    WalletClient& walletClient() override
+    {
+        return *Assert(m_context->wallet_client);
+    }
+    std::unique_ptr<Handler> handleInitMessage(InitMessageFn fn) override
+    {
+        return MakeHandler(::uiInterface.InitMessage_connect(fn));
+    }
+    std::unique_ptr<Handler> handleMessageBox(MessageBoxFn fn) override
+    {
+        return MakeHandler(::uiInterface.ThreadSafeMessageBox_connect(fn));
+    }
+    std::unique_ptr<Handler> handleQuestion(QuestionFn fn) override
+    {
+        return MakeHandler(::uiInterface.ThreadSafeQuestion_connect(fn));
+    }
+    std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) override
+    {
+        return MakeHandler(::uiInterface.ShowProgress_connect(fn));
+    }
+    std::unique_ptr<Handler> handleNotifyNumConnectionsChanged(NotifyNumConnectionsChangedFn fn) override
+    {
+        return MakeHandler(::uiInterface.NotifyNumConnectionsChanged_connect(fn));
+    }
+    std::unique_ptr<Handler> handleNotifyNetworkActiveChanged(NotifyNetworkActiveChangedFn fn) override
+    {
+        return MakeHandler(::uiInterface.NotifyNetworkActiveChanged_connect(fn));
+    }
+    std::unique_ptr<Handler> handleNotifyAlertChanged(NotifyAlertChangedFn fn) override
+    {
+        return MakeHandler(::uiInterface.NotifyAlertChanged_connect(fn));
+    }
+    std::unique_ptr<Handler> handleBannedListChanged(BannedListChangedFn fn) override
+    {
+        return MakeHandler(::uiInterface.BannedListChanged_connect(fn));
+    }
+    std::unique_ptr<Handler> handleNotifyBlockTip(NotifyBlockTipFn fn) override
+    {
+        return MakeHandler(::uiInterface.NotifyBlockTip_connect([fn](SynchronizationState sync_state, const CBlockIndex* block) {
+            fn(sync_state, BlockTip{block->nHeight, block->GetBlockTime(), block->GetBlockHash()},
+                GuessVerificationProgress(Params().TxData(), block));
+        }));
+    }
+    std::unique_ptr<Handler> handleNotifyHeaderTip(NotifyHeaderTipFn fn) override
+    {
+        return MakeHandler(
+            ::uiInterface.NotifyHeaderTip_connect([fn](SynchronizationState sync_state, const CBlockIndex* block) {
+                fn(sync_state, BlockTip{block->nHeight, block->GetBlockTime(), block->GetBlockHash()},
+                    /* verification progress is unused when a header was received */ 0);
+            }));
+    }
+    NodeContext* context() override { return m_context; }
+    void setContext(NodeContext* context) override
+    {
+        m_context = context;
+        if (context) {
+            m_context_ref.Set(*context);
+        } else {
+            m_context_ref.Clear();
+        }
+    }
+    NodeContext* m_context{nullptr};
+    util::Ref m_context_ref;
+};
+} // namespace
+} // namespace node
+
+namespace interfaces {
+std::unique_ptr<Node> MakeNode(NodeContext* context) { return MakeUnique<node::NodeImpl>(context); }
+} // namespace interfaces