bitcoin-node.cpp raw

   1  // Copyright (c) 2021-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <init.h>
   6  #include <interfaces/chain.h>
   7  #include <interfaces/echo.h>
   8  #include <interfaces/init.h>
   9  #include <interfaces/ipc.h>
  10  #include <interfaces/node.h>
  11  #include <interfaces/rpc.h>
  12  #include <interfaces/wallet.h>
  13  #include <node/context.h>
  14  #include <util/check.h>
  15  
  16  #include <memory>
  17  
  18  namespace init {
  19  namespace {
  20  const char* EXE_NAME = "bitcoin-node";
  21  
  22  class BitcoinNodeInit : public interfaces::Init
  23  {
  24  public:
  25      BitcoinNodeInit(node::NodeContext& node, const char* arg0)
  26          : m_node(node),
  27            m_ipc(interfaces::MakeIpc(EXE_NAME, arg0, *this))
  28      {
  29          InitContext(m_node);
  30          m_node.init = this;
  31      }
  32      std::unique_ptr<interfaces::Node> makeNode() override { return interfaces::MakeNode(m_node); }
  33      std::unique_ptr<interfaces::Chain> makeChain() override { return interfaces::MakeChain(m_node); }
  34      std::unique_ptr<interfaces::Mining> makeMining() override { return interfaces::MakeMining(m_node); }
  35      std::unique_ptr<interfaces::WalletLoader> makeWalletLoader(interfaces::Chain& chain) override
  36      {
  37          return MakeWalletLoader(chain, *Assert(m_node.args));
  38      }
  39      std::unique_ptr<interfaces::Echo> makeEcho() override { return interfaces::MakeEcho(); }
  40      std::unique_ptr<interfaces::Rpc> makeRpc() override { return interfaces::MakeRpc(m_node); }
  41      interfaces::Ipc* ipc() override { return m_ipc.get(); }
  42      bool canListenIpc() override { return true; }
  43      const char* exeName() override { return EXE_NAME; }
  44      node::NodeContext& m_node;
  45      std::unique_ptr<interfaces::Ipc> m_ipc;
  46  };
  47  } // namespace
  48  } // namespace init
  49  
  50  namespace interfaces {
  51  std::unique_ptr<Init> MakeNodeInit(node::NodeContext& node, int argc, char* argv[], int& exit_status)
  52  {
  53      auto init = std::make_unique<init::BitcoinNodeInit>(node, argc > 0 ? argv[0] : "");
  54      // Check if bitcoin-node is being invoked as an IPC server. If so, then
  55      // bypass normal execution and just respond to requests over the IPC
  56      // channel and return null.
  57      if (init->m_ipc->startSpawnedProcess(argc, argv, exit_status)) {
  58          return nullptr;
  59      }
  60      return init;
  61  }
  62  } // namespace interfaces
  63