#include "crypter.h"
#include "sync.h"
#include <boost/signals2/signal.hpp>
+#include <boost/variant.hpp>
class CScript;
+class CNoDestination {
+public:
+ friend bool operator==(const CNoDestination &a, const CNoDestination &b) { return true; }
+ friend bool operator<(const CNoDestination &a, const CNoDestination &b) { return true; }
+};
+
+/** A txout script template with a specific destination. It is either:
+ * CNoDestination: no destination set
+ * CKeyID: TX_PUBKEYHASH destination
+ * CScriptID: TX_SCRIPTHASH destination
+ *
+ * A CTxDestination is the internal data type encoded in a CBitcoinAddress.
+ */
+typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination;
+
/** A virtual base class for key stores */
class CKeyStore
{
virtual bool HaveCScript(const CScriptID &hash) const =0;
virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const =0;
+ // Support for Watch-only addresses
+ virtual bool AddWatchOnly(const CScript &dest) =0;
+ virtual bool RemoveWatchOnly(const CScript &dest) =0;
+ virtual bool HaveWatchOnly(const CScript &dest) const =0;
+ virtual bool HaveWatchOnly() const =0;
+
virtual bool GetSecret(const CKeyID &address, CSecret& vchSecret, bool &fCompressed) const
{
CKey key;
vchSecret = key.GetSecret(fCompressed);
return true;
}
+
+ virtual bool CheckOwnership(const CPubKey &pubKeyVariant, const CPubKey &R) const =0;
+ virtual bool CreatePrivKey(const CPubKey &pubKeyVariant, const CPubKey &R, CKey &privKey) const =0;
+ virtual void ListMalleablePubKeys(std::list<CMalleablePubKey> &malleablePubKeyList) const =0;
};
typedef std::map<CKeyID, std::pair<CSecret, bool> > KeyMap;
typedef std::map<CScriptID, CScript > ScriptMap;
+typedef std::set<CScript> WatchOnlySet;
+typedef std::map<CMalleableKeyView, CMalleableKey> MalleableKeyMap;
/** Basic key store, that keeps keys in an address->secret map */
class CBasicKeyStore : public CKeyStore
{
protected:
KeyMap mapKeys;
+ MalleableKeyMap mapMalleableKeys;
+
ScriptMap mapScripts;
+ WatchOnlySet setWatchOnly;
public:
bool AddKey(const CKey& key);
virtual bool AddCScript(const CScript& redeemScript);
virtual bool HaveCScript(const CScriptID &hash) const;
virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const;
+
+ virtual bool AddWatchOnly(const CScript &dest);
+ virtual bool RemoveWatchOnly(const CScript &dest);
+ virtual bool HaveWatchOnly(const CScript &dest) const;
+ virtual bool HaveWatchOnly() const;
+
+ bool CheckOwnership(const CPubKey &pubKeyVariant, const CPubKey &R) const
+ {
+ {
+ LOCK(cs_KeyStore);
+ for (MalleableKeyMap::const_iterator mi = mapMalleableKeys.begin(); mi != mapMalleableKeys.end(); mi++)
+ {
+ if (mi->first.CheckKeyVariant(R, pubKeyVariant))
+ return true;
+ }
+ }
+ return false;
+ }
+
+ bool CreatePrivKey(const CPubKey &pubKeyVariant, const CPubKey &R, CKey &privKey) const
+ {
+ {
+ LOCK(cs_KeyStore);
+ for (MalleableKeyMap::const_iterator mi = mapMalleableKeys.begin(); mi != mapMalleableKeys.end(); mi++)
+ {
+ if (mi->second.CheckKeyVariant(R, pubKeyVariant, privKey))
+ return true;
+ }
+ }
+ return false;
+ }
+
+ void ListMalleablePubKeys(std::list<CMalleablePubKey> &malleablePubKeyList) const
+ {
+ malleablePubKeyList.clear();
+
+ {
+ LOCK(cs_KeyStore);
+ for (MalleableKeyMap::const_iterator mi = mapMalleableKeys.begin(); mi != mapMalleableKeys.end(); mi++)
+ malleablePubKeyList.push_back(mi->first.GetMalleablePubKey());
+ }
+ }
};
typedef std::map<CKeyID, std::pair<CPubKey, std::vector<unsigned char> > > CryptedKeyMap;
// will encrypt previously unencrypted keys
bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
+ bool DecryptKeys(const CKeyingMaterial& vMasterKeyIn);
bool Unlock(const CKeyingMaterial& vMasterKeyIn);
public:
- CCryptoKeyStore() : fUseCrypto(false)
- {
- }
+ CCryptoKeyStore();
bool IsCrypted() const
{
return CBasicKeyStore::HaveKey(address);
return mapCryptedKeys.count(address) > 0;
}
- return false;
}
bool GetKey(const CKeyID &address, CKey& keyOut) const;
bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const;