115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_KEYSTORE_H
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#define BITCOIN_KEYSTORE_H
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#include "key.h"
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#include "pubkey.h"
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#include "script/script.h"
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#include "script/standard.h"
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#include "sync.h"
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#include <boost/signals2/signal.hpp>
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#include <boost/variant.hpp>
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/** A virtual base class for key stores */
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class CKeyStore
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{
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protected:
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mutable CCriticalSection cs_KeyStore;
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public:
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virtual ~CKeyStore() {}
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//! Add a key to the store.
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virtual bool AddKeyPubKey(const CKey &key, const CPubKey &pubkey) =0;
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virtual bool AddKey(const CKey &key);
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//! Check whether a key corresponding to a given address is present in the store.
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virtual bool HaveKey(const CKeyID &address) const =0;
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virtual bool GetKey(const CKeyID &address, CKey& keyOut) const =0;
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virtual void GetKeys(std::set<CKeyID> &setAddress) const =0;
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virtual bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const =0;
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//! Support for BIP 0013 : see https://github.com/bitcoin/bips/blob/master/bip-0013.mediawiki
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virtual bool AddCScript(const CScript& redeemScript) =0;
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virtual bool HaveCScript(const CScriptID &hash) const =0;
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virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const =0;
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//! Support for Watch-only addresses
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virtual bool AddWatchOnly(const CScript &dest) =0;
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virtual bool RemoveWatchOnly(const CScript &dest) =0;
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virtual bool HaveWatchOnly(const CScript &dest) const =0;
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virtual bool HaveWatchOnly() const =0;
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};
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typedef std::map<CKeyID, CKey> KeyMap;
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typedef std::map<CKeyID, CPubKey> WatchKeyMap;
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typedef std::map<CScriptID, CScript > ScriptMap;
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typedef std::set<CScript> WatchOnlySet;
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/** Basic key store, that keeps keys in an address->secret map */
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class CBasicKeyStore : public CKeyStore
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{
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protected:
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KeyMap mapKeys;
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WatchKeyMap mapWatchKeys;
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ScriptMap mapScripts;
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WatchOnlySet setWatchOnly;
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public:
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bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
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bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const;
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bool HaveKey(const CKeyID &address) const
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{
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bool result;
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{
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LOCK(cs_KeyStore);
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result = (mapKeys.count(address) > 0);
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}
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return result;
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}
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void GetKeys(std::set<CKeyID> &setAddress) const
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{
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setAddress.clear();
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{
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LOCK(cs_KeyStore);
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KeyMap::const_iterator mi = mapKeys.begin();
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while (mi != mapKeys.end())
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{
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setAddress.insert((*mi).first);
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mi++;
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}
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}
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}
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bool GetKey(const CKeyID &address, CKey &keyOut) const
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{
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{
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LOCK(cs_KeyStore);
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KeyMap::const_iterator mi = mapKeys.find(address);
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if (mi != mapKeys.end())
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{
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keyOut = mi->second;
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return true;
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}
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}
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return false;
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}
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virtual bool AddCScript(const CScript& redeemScript);
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virtual bool HaveCScript(const CScriptID &hash) const;
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virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const;
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virtual bool AddWatchOnly(const CScript &dest);
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virtual bool RemoveWatchOnly(const CScript &dest);
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virtual bool HaveWatchOnly(const CScript &dest) const;
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virtual bool HaveWatchOnly() const;
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};
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typedef std::vector<unsigned char, secure_allocator<unsigned char> > CKeyingMaterial;
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typedef std::map<CKeyID, std::pair<CPubKey, std::vector<unsigned char> > > CryptedKeyMap;
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#endif // BITCOIN_KEYSTORE_H
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