text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2014 The Bitcoin developers
  // Copyright (c) 2017-2018 The PIVX developers
  // Copyright (c) 2019-2020 The MasterWin developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "keystore.h"
  
  #include "crypter.h"
  #include "key.h"
  #include "script/script.h"
  #include "script/standard.h"
  #include "util.h"
  
  #include <boost/foreach.hpp>
  
  bool CKeyStore::GetPubKey(const CKeyID& address, CPubKey& vchPubKeyOut) const
  {
      CKey key;
      if (!GetKey(address, key))
          return false;
      vchPubKeyOut = key.GetPubKey();
      return true;
  }
  
  bool CKeyStore::AddKey(const CKey& key)
  {
      return AddKeyPubKey(key, key.GetPubKey());
  }
  
  bool CBasicKeyStore::AddKeyPubKey(const CKey& key, const CPubKey& pubkey)
  {
      LOCK(cs_KeyStore);
      mapKeys[pubkey.GetID()] = key;
      return true;
  }
  
  bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
  {
      if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
          return error("CBasicKeyStore::AddCScript() : redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
  
      LOCK(cs_KeyStore);
      mapScripts[CScriptID(redeemScript)] = redeemScript;
      return true;
  }
  
  bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
  {
      LOCK(cs_KeyStore);
      return mapScripts.count(hash) > 0;
  }
  
  bool CBasicKeyStore::GetCScript(const CScriptID& hash, CScript& redeemScriptOut) const
  {
      LOCK(cs_KeyStore);
      ScriptMap::const_iterator mi = mapScripts.find(hash);
      if (mi != mapScripts.end()) {
          redeemScriptOut = (*mi).second;
          return true;
      }
      return false;
  }
  
  bool CBasicKeyStore::AddWatchOnly(const CScript& dest)
  {
      LOCK(cs_KeyStore);
      setWatchOnly.insert(dest);
      return true;
  }
  
  bool CBasicKeyStore::RemoveWatchOnly(const CScript& dest)
  {
      LOCK(cs_KeyStore);
      setWatchOnly.erase(dest);
      return true;
  }
  
  bool CBasicKeyStore::HaveWatchOnly(const CScript& dest) const
  {
      LOCK(cs_KeyStore);
      return setWatchOnly.count(dest) > 0;
  }
  
  bool CBasicKeyStore::HaveWatchOnly() const
  {
      LOCK(cs_KeyStore);
      return (!setWatchOnly.empty());
  }
  
  bool CBasicKeyStore::AddMultiSig(const CScript& dest)
  {
      LOCK(cs_KeyStore);
      setMultiSig.insert(dest);
      return true;
  }
  
  bool CBasicKeyStore::RemoveMultiSig(const CScript& dest)
  {
      LOCK(cs_KeyStore);
      setMultiSig.erase(dest);
      return true;
  }
  
  bool CBasicKeyStore::HaveMultiSig(const CScript& dest) const
  {
      LOCK(cs_KeyStore);
      return setMultiSig.count(dest) > 0;
  }
  
  bool CBasicKeyStore::HaveMultiSig() const
  {
      LOCK(cs_KeyStore);
      return (!setMultiSig.empty());
  }
  
  bool CBasicKeyStore::HaveKey(const CKeyID& address) const
  {
      bool result;
      {
          LOCK(cs_KeyStore);
          result = (mapKeys.count(address) > 0);
      }
      return result;
  }
  
  void CBasicKeyStore::GetKeys(std::set<CKeyID>& setAddress) const
  {
      setAddress.clear();
      {
          LOCK(cs_KeyStore);
          KeyMap::const_iterator mi = mapKeys.begin();
          while (mi != mapKeys.end()) {
              setAddress.insert((*mi).first);
              mi++;
          }
      }
  }
  
  bool CBasicKeyStore::GetKey(const CKeyID& address, CKey& keyOut) const
  {
      {
          LOCK(cs_KeyStore);
          KeyMap::const_iterator mi = mapKeys.find(address);
          if (mi != mapKeys.end()) {
              keyOut = mi->second;
              return true;
          }
      }
      return false;
  }