text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2016 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 "validationinterface.h"
  
  static CMainSignals g_signals;
  
  CMainSignals& GetMainSignals()
  {
      return g_signals;
  }
  
  void RegisterValidationInterface(CValidationInterface* pwalletIn) {
      g_signals.UpdatedBlockTip.connect(boost::bind(&CValidationInterface::UpdatedBlockTip, pwalletIn, _1, _2, _3));
      g_signals.TransactionAddedToMempool.connect(boost::bind(&CValidationInterface::TransactionAddedToMempool, pwalletIn, _1));
      g_signals.BlockConnected.connect(boost::bind(&CValidationInterface::BlockConnected, pwalletIn, _1, _2, _3));
      g_signals.BlockDisconnected.connect(boost::bind(&CValidationInterface::BlockDisconnected, pwalletIn, _1));
      g_signals.SetBestChain.connect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
      g_signals.Inventory.connect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
      g_signals.Broadcast.connect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn, _1, _2));
      g_signals.BlockChecked.connect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
      g_signals.NewPoWValidBlock.connect(boost::bind(&CValidationInterface::NewPoWValidBlock, pwalletIn, _1, _2));
  }
  
  void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
      g_signals.BlockChecked.disconnect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
      g_signals.Broadcast.disconnect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn, _1, _2));
      g_signals.Inventory.disconnect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
      g_signals.SetBestChain.disconnect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
      g_signals.TransactionAddedToMempool.disconnect(boost::bind(&CValidationInterface::TransactionAddedToMempool, pwalletIn, _1));
      g_signals.BlockConnected.disconnect(boost::bind(&CValidationInterface::BlockConnected, pwalletIn, _1, _2, _3));
      g_signals.BlockDisconnected.disconnect(boost::bind(&CValidationInterface::BlockDisconnected, pwalletIn, _1));
      g_signals.UpdatedBlockTip.disconnect(boost::bind(&CValidationInterface::UpdatedBlockTip, pwalletIn, _1, _2, _3));
      g_signals.NewPoWValidBlock.disconnect(boost::bind(&CValidationInterface::NewPoWValidBlock, pwalletIn, _1, _2));
  }
  
  void UnregisterAllValidationInterfaces() {
      g_signals.BlockChecked.disconnect_all_slots();
      g_signals.Broadcast.disconnect_all_slots();
      g_signals.Inventory.disconnect_all_slots();
      g_signals.SetBestChain.disconnect_all_slots();
      g_signals.TransactionAddedToMempool.disconnect_all_slots();
      g_signals.BlockConnected.disconnect_all_slots();
      g_signals.BlockDisconnected.disconnect_all_slots();
      g_signals.UpdatedBlockTip.disconnect_all_slots();
      g_signals.NewPoWValidBlock.disconnect_all_slots();
  }
  