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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_KEYSTORE_H
#define BITCOIN_KEYSTORE_H
#include <key.h>
#include <pubkey.h>
#include <script/script.h>
#include <script/sign.h>
#include <script/standard.h>
#include <sync.h>
#include <boost/signals2/signal.hpp>
/** Basic key store, that keeps keys in an address->secret map */
class CBasicKeyStore : public SigningProvider
{
protected:
mutable CCriticalSection cs_KeyStore;
using KeyMap = std::map<CKeyID, CKey>;
using WatchKeyMap = std::map<CKeyID, CPubKey>;
using ScriptMap = std::map<CScriptID, CScript>;
using WatchOnlySet = std::set<CScript>;
KeyMap mapKeys GUARDED_BY(cs_KeyStore);
WatchKeyMap mapWatchKeys GUARDED_BY(cs_KeyStore);
ScriptMap mapScripts GUARDED_BY(cs_KeyStore);
WatchOnlySet setWatchOnly GUARDED_BY(cs_KeyStore);
void ImplicitlyLearnRelatedKeyScripts(const CPubKey& pubkey) EXCLUSIVE_LOCKS_REQUIRED(cs_KeyStore);
public:
virtual bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
virtual bool AddKey(const CKey &key) { return AddKeyPubKey(key, key.GetPubKey()); }
virtual bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const override;
virtual bool HaveKey(const CKeyID &address) const override;
virtual std::set<CKeyID> GetKeys() const;
virtual bool GetKey(const CKeyID &address, CKey &keyOut) const override;
virtual bool AddCScript(const CScript& redeemScript);
virtual bool HaveCScript(const CScriptID &hash) const override;
virtual std::set<CScriptID> GetCScripts() const;
virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const override;
virtual bool AddWatchOnly(const CScript &dest);
virtual bool RemoveWatchOnly(const CScript &dest);
virtual bool HaveWatchOnly(const CScript &dest) const;
virtual bool HaveWatchOnly() const;
};
/** Return the CKeyID of the key involved in a script (if there is a unique one). */
CKeyID GetKeyForDestination(const CBasicKeyStore& store, const CTxDestination& dest);
/** Checks if a CKey is in the given CBasicKeyStore compressed or otherwise*/
bool HaveKey(const CBasicKeyStore& store, const CKey& key);
#endif // BITCOIN_KEYSTORE_H
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