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// Copyright (c) 2018 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 <amount.h>
#include <chain.h>
#include <chainparams.h>
#include <init.h>
#include <interfaces/handler.h>
#include <interfaces/wallet.h>
#include <net.h>
#include <net_processing.h>
#include <netaddress.h>
#include <netbase.h>
#include <policy/feerate.h>
#include <policy/fees.h>
#include <policy/policy.h>
#include <primitives/block.h>
#include <rpc/server.h>
#include <scheduler.h>
#include <sync.h>
#include <txmempool.h>
#include <ui_interface.h>
#include <util.h>
#include <validation.h>
#include <warnings.h>
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#ifdef ENABLE_WALLET
#include <wallet/fees.h>
#include <wallet/wallet.h>
#define CHECK_WALLET(x) x
#else
#define CHECK_WALLET(x) throw std::logic_error("Wallet function called in non-wallet build.")
#endif
#include <atomic>
#include <boost/thread/thread.hpp>
#include <univalue.h>
namespace interfaces {
namespace {
class NodeImpl : public Node
{
void parseParameters(int argc, const char* const argv[]) override
{
gArgs.ParseParameters(argc, argv);
}
void readConfigFile(const std::string& conf_path) override { gArgs.ReadConfigFile(conf_path); }
bool softSetArg(const std::string& arg, const std::string& value) override { return gArgs.SoftSetArg(arg, value); }
bool softSetBoolArg(const std::string& arg, bool value) override { return gArgs.SoftSetBoolArg(arg, value); }
void selectParams(const std::string& network) override { SelectParams(network); }
std::string getNetwork() override { return Params().NetworkIDString(); }
void initLogging() override { InitLogging(); }
void initParameterInteraction() override { InitParameterInteraction(); }
std::string getWarnings(const std::string& type) override { return GetWarnings(type); }
uint32_t getLogCategories() override { return ::logCategories; }
bool baseInitialize() override
{
return AppInitBasicSetup() && AppInitParameterInteraction() && AppInitSanityChecks() &&
AppInitLockDataDirectory();
}
bool appInitMain() override { return AppInitMain(); }
void appShutdown() override
{
Interrupt();
Shutdown();
}
void startShutdown() override { StartShutdown(); }
bool shutdownRequested() override { return ShutdownRequested(); }
void mapPort(bool use_upnp) override
{
if (use_upnp) {
StartMapPort();
} else {
InterruptMapPort();
StopMapPort();
}
}
std::string helpMessage(HelpMessageMode mode) override { return HelpMessage(mode); }
bool getProxy(Network net, proxyType& proxy_info) override { return GetProxy(net, proxy_info); }
size_t getNodeCount(CConnman::NumConnections flags) override
{
return g_connman ? g_connman->GetNodeCount(flags) : 0;
}
bool getNodesStats(NodesStats& stats) override
{
stats.clear();
if (g_connman) {
std::vector<CNodeStats> stats_temp;
g_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 (g_connman) {
g_connman->GetBanned(banmap);
return true;
}
return false;
}
bool ban(const CNetAddr& net_addr, BanReason reason, int64_t ban_time_offset) override
{
if (g_connman) {
g_connman->Ban(net_addr, reason, ban_time_offset);
return true;
}
return false;
}
bool unban(const CSubNet& ip) override
{
if (g_connman) {
g_connman->Unban(ip);
return true;
}
return false;
}
bool disconnect(NodeId id) override
{
if (g_connman) {
return g_connman->DisconnectNode(id);
}
return false;
}
int64_t getTotalBytesRecv() override { return g_connman ? g_connman->GetTotalBytesRecv() : 0; }
int64_t getTotalBytesSent() override { return g_connman ? g_connman->GetTotalBytesSent() : 0; }
size_t getMempoolSize() override { return ::mempool.size(); }
size_t getMempoolDynamicUsage() override { return ::mempool.DynamicMemoryUsage(); }
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();
}
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 IsInitialBlockDownload(); }
bool getReindex() override { return ::fReindex; }
bool getImporting() override { return ::fImporting; }
void setNetworkActive(bool active) override
{
if (g_connman) {
g_connman->SetNetworkActive(active);
}
}
bool getNetworkActive() override { return g_connman && g_connman->GetNetworkActive(); }
unsigned int getTxConfirmTarget() override { CHECK_WALLET(return ::nTxConfirmTarget); }
CAmount getRequiredFee(unsigned int tx_bytes) override { CHECK_WALLET(return GetRequiredFee(tx_bytes)); }
CAmount getMinimumFee(unsigned int tx_bytes,
const CCoinControl& coin_control,
int* returned_target,
FeeReason* reason) override
{
FeeCalculation fee_calc;
CAmount result;
CHECK_WALLET(result = GetMinimumFee(tx_bytes, coin_control, ::mempool, ::feeEstimator, &fee_calc));
if (returned_target) *returned_target = fee_calc.returnedTarget;
if (reason) *reason = fee_calc.reason;
return result;
}
CAmount getMaxTxFee() override { return ::maxTxFee; }
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; }
CFeeRate getFallbackFee() override { CHECK_WALLET(return CWallet::fallbackFee); }
CFeeRate getPayTxFee() override { CHECK_WALLET(return ::payTxFee); }
void setPayTxFee(CFeeRate rate) override { CHECK_WALLET(::payTxFee = rate); }
UniValue executeRpc(const std::string& command, const UniValue& params, const std::string& uri) override
{
JSONRPCRequest req;
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 ::pcoinsTip->GetCoin(output, coin);
}
std::vector<std::unique_ptr<Wallet>> getWallets() override
{
#ifdef ENABLE_WALLET
std::vector<std::unique_ptr<Wallet>> wallets;
for (CWallet* wallet : GetWallets()) {
wallets.emplace_back(MakeWallet(*wallet));
}
return wallets;
#else
throw std::logic_error("Node::getWallets() called in non-wallet build.");
#endif
}
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> handleLoadWallet(LoadWalletFn fn) override
{
CHECK_WALLET(
return MakeHandler(::uiInterface.LoadWallet.connect([fn](CWallet* wallet) { fn(MakeWallet(*wallet)); })));
}
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](bool initial_download, const CBlockIndex* block) {
fn(initial_download, block->nHeight, block->GetBlockTime(),
GuessVerificationProgress(Params().TxData(), block));
}));
}
std::unique_ptr<Handler> handleNotifyHeaderTip(NotifyHeaderTipFn fn) override
{
return MakeHandler(
::uiInterface.NotifyHeaderTip.connect([fn](bool initial_download, const CBlockIndex* block) {
fn(initial_download, block->nHeight, block->GetBlockTime(),
GuessVerificationProgress(Params().TxData(), block));
}));
}
};
} // namespace
std::unique_ptr<Node> MakeNode() { return MakeUnique<NodeImpl>(); }
} // namespace interfaces
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