84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2018 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/sign.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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/** A virtual base class for key stores */
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class CKeyStore : public SigningProvider
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{
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public:
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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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//! 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 std::set<CKeyID> GetKeys() 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 std::set<CScriptID> GetCScripts() 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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/** 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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mutable CCriticalSection cs_KeyStore;
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using KeyMap = std::map<CKeyID, CKey>;
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using WatchKeyMap = std::map<CKeyID, CPubKey>;
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using ScriptMap = std::map<CScriptID, CScript>;
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using WatchOnlySet = std::set<CScript>;
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KeyMap mapKeys GUARDED_BY(cs_KeyStore);
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WatchKeyMap mapWatchKeys GUARDED_BY(cs_KeyStore);
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ScriptMap mapScripts GUARDED_BY(cs_KeyStore);
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WatchOnlySet setWatchOnly GUARDED_BY(cs_KeyStore);
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void ImplicitlyLearnRelatedKeyScripts(const CPubKey& pubkey) EXCLUSIVE_LOCKS_REQUIRED(cs_KeyStore);
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public:
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bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
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bool AddKey(const CKey &key) { return AddKeyPubKey(key, key.GetPubKey()); }
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bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const override;
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bool HaveKey(const CKeyID &address) const override;
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std::set<CKeyID> GetKeys() const override;
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bool GetKey(const CKeyID &address, CKey &keyOut) const override;
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bool AddCScript(const CScript& redeemScript) override;
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bool HaveCScript(const CScriptID &hash) const override;
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std::set<CScriptID> GetCScripts() const override;
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bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const override;
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bool AddWatchOnly(const CScript &dest) override;
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bool RemoveWatchOnly(const CScript &dest) override;
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bool HaveWatchOnly(const CScript &dest) const override;
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bool HaveWatchOnly() const override;
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};
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/** Return the CKeyID of the key involved in a script (if there is a unique one). */
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CKeyID GetKeyForDestination(const CKeyStore& store, const CTxDestination& dest);
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/** Checks if a CKey is in the given CKeyStore compressed or otherwise*/
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bool HaveKey(const CKeyStore& store, const CKey& key);
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#endif // BITCOIN_KEYSTORE_H
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